CN105997193A - Medical spring forceps - Google Patents
Medical spring forceps Download PDFInfo
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- CN105997193A CN105997193A CN201610597870.0A CN201610597870A CN105997193A CN 105997193 A CN105997193 A CN 105997193A CN 201610597870 A CN201610597870 A CN 201610597870A CN 105997193 A CN105997193 A CN 105997193A
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- spring
- clamping
- connecting shaft
- slide block
- regulation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2804—Surgical forceps with two or more pivotal connections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2816—Pivots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2833—Locking means
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- Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses medical spring forceps. The medical spring forceps comprise a first forcep arm, a second forcep arm and a pin shaft, wherein the first forcep arm and the second forcep arm are hinged through the pin shaft. The first forcep arm comprises a first clamping part located on one side of the pin shaft, and a first force applying part located on the other side of the pin shaft. The second forcep arm comprises a second clamping part and a second force applying part, wherein the second clamping part is located on one side of the pin shaft and is opposite to the first clamping part, and the second force applying part is located on the other side of the pin shaft and is opposite to the first force applying part. The medical spring forceps further comprise a clamping strength adjusting assembly and a clamping strength buffering assembly, wherein the clamping strength adjusting assembly is connected with the first force applying part and the second force applying part, and the clamping strength buffering assembly is arranged in the clamping strength adjusting assembly or the first forcep arm. According to the medical spring forceps, the clamping strength can be adjusted at any time in the operation process through the clamping strength adjusting assembly, elasticity can be provided for clamping through the clamping strength buffering assembly, and thus injury to the blood vessel tissue is avoided; the safety of an operation is ensured while convenience is provided for the operation.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly to a kind of medical spring forceps.
Background technology
In vascular anastomosis, organ transplantation etc. are performed the operation, for being normally carried out of performing the operation, generally to utilize special Medical treatment device
Vascular tissue is clamped by tool, to reach the purpose of blocking blood flow；Also need to if desired regulate in operation blood vessel group
The clamping dynamics knitted, with the demand of satisfied operation.The medical apparatus and instruments of the clamping vascular tissue of Clinical practice is usually blood at present
Pipe clamp or mosquito forceps.
Refer to Fig. 1, for the structural representation of a kind of existing vascular clamp.This vascular clamp includes being rotationally connected by axle 82
The first jig arm 80 and the second jig arm 81, be connected to the stud 85 inside the first clamp holder 83 of the first jig arm 80 end,
The nut 86 threadeded with stud 85, is connected to the spring 87 inside the second clamp holder 84 of the second jig arm 81 end,
Spring 87 is sheathed on the outside of stud 85 and is resisted against the end face of nut 86.When using this vascular clamp, often according to clinic
The experience adjusting nut 86 position on stud 85, to regulate the decrement of spring 87, and then regulation the first jig arm 80
And the clamping dynamics that second between jig arm 81, to meet the demand of operation.Refer to Fig. 2 to Fig. 3, existing for one
The structural representation of mosquito forceps.This mosquito forceps includes two tong arms 90 being hinged, the clamp handle of each tong arm 90 end
Being equipped with regulation portion 92 inside 91, regulation portion 92 is provided with several regulation tooth 93, the regulation tooth in two regulation portions 92
93 are oppositely arranged and can engage each other.When using this mosquito forceps, by changing the position of engagement of regulation tooth 93, to adjust
Clamping dynamics between whole two tong arms 90.
In shallow-layer is performed the operation, above-mentioned vascular clamp still can regulate clamping dynamics by nut 86 after preliminary clamping blood vessel；
But in deep tissue hemostasis, owing to the restriction in structure causes the length of vascular clamp shorter, it is therefore desirable at blood
After pipe clamp regulates clamping dynamics, recycling serrefine clamps the clamp holder of vascular clamp, to be delivered at blood vessel by vascular clamp
And complete the clamping to blood vessel, and again the clamping dynamics of vascular clamp cannot be adjusted by serrefine afterwards, i.e. blood
The clamping dynamics of pipe clamp can only be determined by the regulation before clamping blood vessel, it is impossible to regulates at any time in operation process, for
Operation is made troubles.Although above-mentioned mosquito forceps can regulate the folder between two tong arms 90 in deep tissue hemostasis at any time
Holding force degree, but during owing to vascular tissue is clamped, inelastic between two tong arms 90, cause vascular tissue be in by
Pressing from both sides dead state, once chucking power is spent greatly, it is easy to vascular tissue is caused damage.
Summary of the invention
The goal of the invention of the present invention is to provide a kind of medical spring forceps, with solve existing vascular clamp or mosquito forceps cannot be real
Operation process can regulate clamping dynamics now at any time, there is certain elastic force to avoid vascular tissue is made when clamping again
The problem becoming damage.
According to embodiments of the invention, it is provided that a kind of medical spring forceps, including: the first tong arm, the second tong arm and bearing pin,
Described first tong arm and described second tong arm are by described hinge；Described first tong arm includes being positioned at described bearing pin side
The first clamping part, and be positioned at the first force section of described bearing pin opposite side；Described second tong arm includes being positioned at described pin
Axle side and second clamping part relative with described first clamping part, and it is positioned at described bearing pin opposite side and with described first
The second force section that force section is relative, described medical spring forceps also includes:
The clamping dynamics adjusting part being connected with described first force section and described second force section, is used for regulating described
Clamping dynamics between one clamping part and described second clamping part；
It is located at the clamping dynamics Buffer Unit that described clamping dynamics adjusting part is interior or is located in described first tong arm, is used for
On the clamping direction of described first clamping part and described second clamping part, for described first clamping part and described second clamping part
Between provide elastic force.
Optionally, described clamping dynamics adjusting part includes: the first regulation portion and being oppositely arranged with described first regulation portion
Second regulation portion；
Described first force section includes the first handle being located at described first end, force section, and described second force section includes being located at institute
State the second handle of the second end, force section；Described first regulation portion is connected with described first handle, described second regulation portion
It is connected with described second handle；Described first regulation portion and described second regulation portion are all to described first handle and described the
Extend between two handles；Described first regulation portion is column, and the side in described first regulation portion is provided with several first regulation tooth；
Described second regulation portion is provided with the several second regulation teeth matched with described several first regulation teeth.
Further, described second regulation portion is tubular, including the spring lock chamber being connected with described second handle, and
The regulation chamber being connected with described spring lock chamber；One end relative with described first regulation portion, described regulation chamber is provided with opening；
Described several second regulation tooth is located on described regulation chamber and the inwall of described several first regulation tooth opposite side；Described
The internal diameter in regulation chamber is more than the external diameter in described first regulation portion；
Described clamping dynamics Buffer Unit includes: gag lever post and the first spring being sheathed on described gag lever post；Described spacing
Bar is fixed on inside described spring lock chamber；The axle center of described gag lever post and the axis coinciding of described spring lock chamber；Described
The length of gag lever post is less than the length in described second regulation portion；The length of described first spring is more than the length of described gag lever post,
And less than the length in described second regulation portion.
Or, described second regulation portion is column, and described several second regulation teeth are located in described second regulation portion and institute
State the side that several first regulation tooth is contrary；
Described clamping dynamics Buffer Unit includes: buffer stopper, is located at second spring of described buffer stopper one end, and is located at
3rd spring of the described buffer stopper other end；On described first tong arm, the periphery of corresponding described bearing pin is provided with hollow-out parts, described
The width of buffer stopper is less than the width of described hollow-out parts；Described buffer stopper is located in described hollow-out parts, described second spring and
Described 3rd spring is respectively arranged in the space between the both ends of the surface of described buffer stopper and described hollow-out parts；Described second spring
Vertical with the end face of described buffer stopper with the axis direction of described 3rd spring；Described buffer stopper center is provided with through hole, described
Bearing pin is located in described through hole.
Optionally, described clamping dynamics adjusting part includes: the first transmission arm, the second transmission arm, the first connecting shaft, the
Two connecting shafts, pull bar and slide block；
One end of described first transmission arm is hinged with described first force section, and the other end rotates even with described first connecting shaft
Connect；One end of described second transmission arm is hinged with described second force section, and the other end is rotationally connected with described second connecting shaft；
One end of described pull bar is rotationally connected with described bearing pin, and the other end is provided with pulling part；Described slide block set is located on described pull bar
And be slidably connected with described pull bar；Described pull bar surface is provided with several limiting tooth along the glide direction of described slide block；Described cunning
Block is provided with and is rotationally connected, with described slide block, the locking member matched with described limiting tooth；Described first connecting shaft and described
Second connecting shaft lays respectively at the both sides of described pull bar；The axis of described first connecting shaft and described second connecting shaft is with described
The axis of bearing pin is parallel；Described first connecting shaft and described second connecting shaft are at the bearing of trend of described pull bar and described slide block
It is slidably connected.
Further, described clamping dynamics Buffer Unit includes: be located at the 4th spring within described slide block and the 5th spring；
Described 4th spring and described 5th spring are respectively arranged on the both sides of described pull bar；Described 4th spring and the described 5th
The axis of spring is parallel with described pull bar；One end of described 4th spring is connected with described first connecting shaft, the other end and institute
State slide block to be connected；One end of described 5th spring is connected with described second connecting shaft, and the other end is connected with described slide block.
Or, described pull bar includes: the first sub bar and the second sub bar；One end of described first sub bar rotates with described bearing pin
Connecting, the other end is provided with spring retention cylinder, and the end face of described spring retention cylinder is provided with opening；One end of described second sub bar
Being provided with the pars contractilis being slidably connected in described spring retention cylinder, the other end is provided with pulling part；
Described clamping dynamics Buffer Unit includes: be located at the 6th spring within described spring retention cylinder；Described 6th spring
Axis and described first sub bar and the dead in line of described second sub bar；One end of described 6th spring holds with described spring
Putting cylinder to contact, the other end contacts with the end face of described pars contractilis.
Optionally, described clamping dynamics adjusting part includes: the first transmission arm, the second transmission arm, the first connecting shaft, the
Two connecting shafts, pull bar and slide block；
Described first force section includes the first handle being located at described first end, force section, and described second force section includes being located at institute
State the second handle of the second end, force section；On one end of described first transmission arm and described first force section, described bearing pin with
Area rotation between described first handle connects, and the other end is rotationally connected with described first connecting shaft；Described second transmission
One end of arm is connected with the area rotation on described second force section, between described bearing pin and described second handle, the other end
It is rotationally connected with described second connecting shaft；One end of described pull bar is rotationally connected with described bearing pin；Described slide block set is located at institute
State on pull bar and be slidably connected with described pull bar；Described pull bar surface is provided with several limiting tooth along the glide direction of described slide block；
Described slide block is provided with and is rotationally connected, with described slide block, the locking member matched with described limiting tooth；Described first connecting shaft
With the both sides that described second connecting shaft lays respectively at described pull bar；Described first connecting shaft and the axis of described second connecting shaft
Parallel with the axis of described bearing pin；Described first connecting shaft and described second connecting shaft are in the bearing of trend of described pull bar and institute
State slide block to be slidably connected.
Further, described pull bar includes: the first sub bar and the second sub bar；One end of described first sub bar turns with described bearing pin
Being dynamically connected, the other end is provided with spring retention cylinder, and the end face of described spring retention cylinder is provided with opening；The one of described second sub bar
End is provided with the pars contractilis being slidably connected in described spring retention cylinder；
Described clamping dynamics Buffer Unit includes: be located at the 6th spring within described spring retention cylinder；Described 6th spring
Axis and described first sub bar and the dead in line of described second sub bar；One end of described 6th spring holds with described spring
Putting cylinder to contact, the other end contacts with the end face of described pars contractilis.
Or, described clamping dynamics Buffer Unit includes: be located at the 4th spring within described slide block and the 5th spring；
Described 4th spring and described 5th spring are respectively arranged on the both sides of described pull bar；Described 4th spring and the described 5th
The axis of spring is parallel with described pull bar；One end of described 4th spring is connected with described first connecting shaft, the other end and institute
State slide block to be connected；One end of described 5th spring is connected with described second connecting shaft, and the other end is connected with described slide block.
From above technical scheme, the medical spring forceps that the present invention provides, including: the first tong arm, the second tong arm and pin
Axle, the first tong arm and the second tong arm pass through hinge；First tong arm includes the first clamping part being positioned at bearing pin side, with
And it is positioned at the first force section of bearing pin opposite side；Second tong arm includes being positioned at bearing pin side and relative with the first clamping part
Two clamping parts, and it is positioned at bearing pin opposite side and second force section relative with the first force section；This medical spring forceps also wraps
Include clamping dynamics adjusting part and clamping dynamics Buffer Unit；Clamping dynamics adjusting part and the first force section and second exert a force
Portion is connected, the clamping dynamics between regulation the first clamping part and the second clamping part；Clamping dynamics Buffer Unit is located at
Clamping dynamics adjusting part is interior or is located in the first tong arm, is used in the clamping direction of the first clamping part and the second clamping part,
For providing elastic force between the first clamping part and the second clamping part；Thus both can be realized at hands by clamping dynamics adjusting part
Regulate clamping dynamics during art at any time, elastic force can be provided by clamping dynamics Buffer Unit for clamping again, it is to avoid to blood
Tubing causes damage；While providing conveniently for operation, it is ensured that the safety of operation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to required in embodiment
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains other accompanying drawing.
Fig. 1 is the structural representation of a kind of existing vascular clamp；
Fig. 2 is the structural representation of a kind of existing mosquito forceps；
Fig. 3 is the close-up schematic view of the a-quadrant of Fig. 2；
The structural representation of the medical spring forceps first embodiment that Fig. 4 provides for the embodiment of the present invention；
Fig. 5 is the close-up schematic view in the B region of Fig. 4；
The structural representation of medical spring forceps the second embodiment that Fig. 6 provides for the embodiment of the present invention；
Fig. 7 is the close-up schematic view in the C region of Fig. 6；
The structural representation of medical spring forceps the 3rd embodiment that Fig. 8 provides for the embodiment of the present invention；
Fig. 9 is the close-up schematic view in the D region of Fig. 8；
The structural representation of medical spring forceps the 4th embodiment that Figure 10 provides for the embodiment of the present invention；
Figure 11 is the close-up schematic view in the E region of Figure 10；
The structural representation of medical spring forceps the 5th embodiment that Figure 12 provides for the embodiment of the present invention；
Figure 13 is the close-up schematic view in the F region of Figure 12；
The structural representation of the medical spring forceps sixth embodiment that Figure 14 provides for the embodiment of the present invention；
Figure 15 is the close-up schematic view in the G region of Figure 14；
Figure 16 is the schematic diagram of a kind of structure of the first clamping part and the second clamping part；
Figure 17 is the schematic diagram of the another kind of structure of the first clamping part and the second clamping part；
A kind of schematic diagram of the tong arm attachment structure of the medical spring forceps that Figure 18 provides for the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Description, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Base
Embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under not making creative work premise
Other embodiments, broadly fall into the scope of protection of the invention.
Referring to Fig. 4 to Fig. 5, for the first embodiment of the medical spring forceps that the present invention provides, this medical spring forceps includes:
First tong arm the 1, second tong arm 2 and bearing pin 3, the first tong arm 1 is hinged by bearing pin 3 with the second tong arm 2.
First tong arm 1 includes the first clamping part 11 being positioned at bearing pin 3 side, and is positioned at the first of bearing pin 3 opposite side and executes
Power portion 12.Second tong arm 2 includes being positioned at bearing pin 3 side and second clamping part 21 relative with the first clamping part 11, with
And it is positioned at bearing pin 3 opposite side and second force section 22 relative with the first force section 12.
This medical spring forceps also includes:
The clamping dynamics adjusting part being connected with the first force section 12 and the second force section 22, for regulation the first clamping
Clamping dynamics between portion 11 and the second clamping part 21.
The clamping dynamics Buffer Unit being located in clamping dynamics adjusting part, at the first clamping part 11 and the second clamping part
On the clamping direction of 21, for providing elastic force between the first clamping part 11 and the second clamping part 21.
Specifically, clamping dynamics adjusting part includes: the first regulation portion 14 and with the first regulation portion 14 be oppositely arranged the
Two regulation portions 24.
Wherein, the first force section 12 includes the first handle 13 being located at the first end, force section 12, and the second force section 22 includes
It is located at the second handle 23 of the second end, force section 22.First handle 13 and second handle 23 the most in the form of a ring, are available for finger
Stretch into, thus drive first by finger control first handle 13 and second handle 23, first handle 13 and second handle 23
Tong arm 1 and the second tong arm 2 open or close, and final control the first clamping part 11 and the second clamping part 21 open or close.
First regulation portion 14 is connected with first handle 13, and the second regulation portion 24 is connected with second handle 23, and the
One regulation portion 14 and the second regulation portion 24 all extend between first handle 13 and second handle 23.
First regulation portion 14 is in column, and the side in the first regulation portion 14 is provided with several first regulation tooth 141, the second regulation
Portion 24 is provided with the several second regulation teeth 243 matched with several first regulation teeth 141.
Second regulation portion 24 is in tubular, including the spring lock chamber 241 being connected with second handle 23, and and spring
The regulation chamber 242 that lock chamber 241 is connected.
The one end regulating chamber 242 relative with the first regulation portion 14 is provided with opening, for stretching into for the first regulation portion 14.
Several second regulation teeth 243 are located on regulation chamber 242 and the inwall of several first regulation tooth 141 opposite side,
Can be by regulating first regulation tooth 141 and the position of engagement of the second regulation tooth 243 in the first regulation portion 14, regulation the first folder
Hold the clamping dynamics between portion 11 and the second clamping part 21.
Several first regulation teeth 141 and several second regulation tooth 243 all can parallel interval arrangements.
The internal diameter in regulation chamber 242 is more than the external diameter in the first regulation portion 14, to facilitate the first regulation portion 14 in the second regulation portion
Turnover in 24.
Specifically, clamping dynamics Buffer Unit includes: gag lever post 244 and the first spring 245 being sheathed on gag lever post 244.
It is internal that gag lever post 244 is fixed on spring lock chamber 241, the axle center of gag lever post 244 and the axle of spring lock chamber 241
The heart overlaps.
Having gap between the inwall of gag lever post 244 and spring lock chamber 241, the first spring 245 is positioned at this gap.
Gag lever post 244, for carrying out spacing to the first spring 245, prevents the first spring 245 in the second regulation portion 24
Produce bigger moving radially.
The length of gag lever post 244 is less than the length in the second regulation portion 24, in the present embodiment, the length of gag lever post 244
Equal to the length of spring lock chamber 241, to avoid the long first regulation portion 14 that affects of gag lever post 244 to enter regulation chamber 242.
The length of the first spring 245 is more than the length of gag lever post 244, and less than the length in the second regulation portion 24, can make
The first spring 245 first regulation portion 14 enter regulation chamber 242 after, the first spring 245 produces elastic deformation, thus
The regulation that the elasticity of the first spring 245 is the first clamping part 11 and the clamping dynamics of the second clamping part 21 is utilized to provide elastic force.
The first embodiment of the medical spring forceps that the present invention provides during using, its using method and existing hemostasis
Pincers using method is similar, can thumb and middle finger be respectively protruding in first handle 13 and second handle 23, by finger control
Make opening or closing of the first force section 12 and the second force section 22, thus control the first clamping part 11 and the second clamping part
21 open or close.
Control the first clamping part 11 and after the second clamping part 21 clamps the tissue such as blood vessel of required clamping, by clamping dynamics
The clamping dynamics of the first clamping part 11 and the second clamping part 21 is adjusted by adjusting part.
Particularly as follows: control the first regulation portion 14 by finger to stretch into the length in the second regulation portion 24, and then regulation the first tune
The first regulation tooth 141 in joint portion 14 and the position of engagement of the second regulation tooth 243 in the second regulation portion 24, so that the first folder
Hold and produce different clamping dynamics between portion 11 and the second clamping part 21, also can be regulated by clamping dynamics in operation process
Assembly regulates clamping dynamics at any time.
When regulating clamping dynamics, the first spring 245 in clamping dynamics Buffer Unit can be the first clamping part 11 and second
The regulation of the clamping dynamics of clamping part 21 provides elastic force, can prevent from regulating the first tong arm 1 and second during clamping dynamics
There is deadlock phenomenon in tong arm 2, it is to avoid in order to overcome deadlock phenomenon cause regulation dynamics excessive, vascular tissue is caused damage
The problem of wound.
After regulating the clamping dynamics between the first clamping part 11 and the second clamping part 21, this medical spring forceps can be put down,
Carry out ensuing operation technique.
When needing to unclamp the clamping to blood vessel, exert a force first with finger so that the first regulation tooth in the first regulation portion 14
141 are staggered with the second of the second regulation portion 24 the regulation tooth 243, control the first force section 12 and the by finger afterwards
Two force sections 22 are opened so that the first clamping part 11 and the second clamping part 21 open, so that medical spring forceps is from blood vessel
Tissue takes off.
Refer to Fig. 6 to Fig. 7, the second embodiment of medical spring forceps provided for the present invention, this second embodiment and the
The difference of one embodiment is:
Second regulation portion 24 is in column, and several second regulation teeth 243 are located in the second regulation portion 24 and several first regulations
The side that tooth 141 is contrary.
Clamping dynamics Buffer Unit is located in the first tong arm 1, including: buffer stopper 31, is located at the of buffer stopper 31 one end
Two springs 32 and the 3rd spring 33 being located at buffer stopper 31 other end.
On first tong arm 1, the periphery of corresponding bearing pin 3 is provided with hollow-out parts 30, and the width of buffer stopper 31 is less than hollow-out parts 30
Width, in order to buffer stopper 31 can have the space of movement in hollow-out parts 30.
Buffer stopper 31 is located in hollow-out parts 30, and the second spring 32 and the 3rd spring 33 are respectively arranged on the two of buffer stopper 31
In space between end face and hollow-out parts 30.The axis direction of the second spring 32 and the 3rd spring 33 and buffer stopper 31
End face is vertical.
Buffer stopper 31 center is provided with through hole, and bearing pin 3 is located in through hole, thus can either realize the first tong arm 1 and second
The rotation of tong arm 2, can ensure that again clamping dynamics Buffer Unit can be the first clamping part 11 and the second clamping part 21 it
Between provide elastic force.
Second embodiment of the medical spring forceps that the present invention provides during using, its using method and existing hemostasis
Pincers using method is similar, can thumb and middle finger be respectively protruding in first handle 13 and second handle 23, by finger control
Make opening or closing of the first force section 12 and the second force section 22, thus control the first clamping part 11 and the second clamping part
21 open or close.
Control the first clamping part 11 and after the second clamping part 21 clamps the tissue such as blood vessel of required clamping, clamped by regulation
Clamping dynamics is adjusted by dynamics adjusting part.
Particularly as follows: control the first regulation portion 14 by finger to stretch into the length in the second regulation portion 24, and then regulation the first tune
The first regulation tooth 141 in joint portion 14 and the position of engagement of the second regulation tooth 243 in the second regulation portion 24, so that the first folder
Hold the different clamping dynamics that produces between portion 11 and the second clamping part 21, equally, operation process also can pass through chucking power
Degree adjusting part regulates clamping dynamics at any time.
When vascular tissue is clamped, can be by the buffer stopper 31 in clamping dynamics Buffer Unit, the second spring 32
With the 3rd spring 33, provide elastic force for the clamping dynamics between the first clamping part 11 and the second clamping part 21, it is to avoid clamping
Dynamics is excessive, and vascular tissue is caused damage.
After regulating the clamping dynamics between the first clamping part 11 and the second clamping part 21, this medical spring forceps can be put down,
Carry out ensuing operation technique.
When needing to unclamp the clamping to blood vessel, exert a force first with finger so that the first regulation tooth in the first regulation portion 14
141 are staggered with the second of the second regulation portion 24 the regulation tooth 243, control the first force section 12 and the by finger afterwards
Two force sections 22 are opened so that the first clamping part 11 and the second clamping part 21 open, so that medical spring forceps is from blood vessel
Tissue takes off.
Referring to Fig. 8 to Fig. 9, for the 3rd embodiment of the medical spring forceps that the present invention provides, this medical spring forceps includes:
First tong arm the 1, second tong arm 2 and bearing pin 3, the first tong arm 1 is hinged by bearing pin 3 with the second tong arm 2.
First tong arm 1 includes the first clamping part 11 being positioned at bearing pin 3 side, and is positioned at the first of bearing pin 3 opposite side and executes
Power portion 12.Second tong arm 2 includes being positioned at bearing pin 3 side and second clamping part 21 relative with the first clamping part 11, with
And it is positioned at bearing pin 3 opposite side and second force section 22 relative with the first force section 12.
This medical spring forceps also includes:
The clamping dynamics adjusting part being connected with the first force section 12 and the second force section 22, for regulation the first clamping
Portion 11 and the clamping dynamics of the second clamping part 21.
The clamping dynamics Buffer Unit being located in clamping dynamics adjusting part, at the first clamping part 11 and the second clamping part
On the clamping direction of 21, for providing elastic force between the first clamping part 11 and the second clamping part 21.
Specifically, clamping dynamics adjusting part includes: the first transmission arm 51, the second transmission arm 52, the first connecting shaft 53,
Second connecting shaft 54, pull bar 4 and slide block 5.
One end of first transmission arm 51 is hinged with the first force section 12, and the other end and the first connecting shaft 53 are rotationally connected.
One end of second transmission arm 52 is hinged with the second force section 22, and the other end and the second connecting shaft 54 are rotationally connected.
One end of pull bar 4 is rotationally connected with bearing pin 3, and the other end is provided with pulling part 42.
Specifically, pulling part 42 is in the form of a ring.Preferably, the profile of pulling part 42 is ellipticity, it is simple to multiple fingers are stretched
Enter and pull.
Further, pulling part 42 is provided with several depressed part 421 away from the inner surface of pull bar 4 side, in the present embodiment,
The quantity of depressed part 421 is 4, and convenient four fingers in addition to thumb hold pulling part 42.
Slide block 5 is sheathed on pull bar 4 and is slidably connected with pull bar 4.
Pull bar 4 surface is provided with several limiting tooth 41 along the glide direction of slide block 5.
Slide block 5 is provided with and is rotationally connected the locking member 51 matched with limiting tooth 41 with slide block 5.
Locking member 51 is rotationally connected with slide block 5, can be when needing to be fixed the position of slide block 5, rotation lock part
51 make it be sticked on limiting tooth 41, it is achieved the locking to slide block 5.
When slide block 5 is moved by needs, can be with rotation lock part 51 so that it is separate with limiting tooth 41, thus loose
Open the locking to slide block 5.
First connecting shaft 53 and the second connecting shaft 54 lay respectively at the both sides of pull bar 4.First connecting shaft 53 and second connects
The axis of spindle 54 is parallel with the axis of bearing pin 3.First connecting shaft 53 and the second connecting shaft 54 are in the extension side of pull bar 4
It is slidably connected to slide block 5, the first transmission arm 51 and the second transmission arm 52 can be driven to open by the slip of slide block 5
Or Guan Bi, thus regulate the clamping dynamics between the first clamping part 11 and the second clamping part 21.
Specifically, clamping dynamics Buffer Unit includes: be located at the 4th spring 61 and the 5th spring 62 within slide block 5.
4th spring 61 and the 5th spring 62 are respectively arranged on the both sides of pull bar 4.4th spring 61 and the 5th spring 62
Axis is parallel with pull bar 4.
One end of 4th spring 61 is connected with the first connecting shaft 53, and the other end is connected with slide block 5.5th spring 62
One end be connected with the second connecting shaft 54, the other end is connected with slide block 5, can be by the slidable adjustment first of slide block 5
During clamping dynamics between clamping part 11 and the second clamping part 21, by between the 4th spring 61 and the first connecting shaft 53,
Elastic force between 5th spring 62 and the second connecting shaft 54, is the first clamping part 11 and chucking power of the second clamping part 21
The regulation of degree buffers.
3rd embodiment of the medical spring forceps that the present invention provides in use, can by one four handss in addition to thumb on hand
Refer to stretch into pulling part 42, and contact with four depressed parts 421 respectively, pulling part 42 of holding with a firm grip, another hand propelled slide block 5,
It is made to slide along pull bar 4 to the direction away from pulling part 42.
If slide block 5 is in locking state, then need first rotation lock part 51 so that it is separate with limiting tooth 41, unclamp
After locking to slide block 5, then promote slide block 4.
Slide block 4, during sliding in the direction away from pulling part 42, drives the first connecting shaft 53 and the second connecting shaft 54
Travel forward, so that the first transmission arm 51 and the second transmission arm 52 gradually open, and then drive the first force section 12
Open with the second force section 22 so that the first clamping part 11 and the regulation of the second clamping part 21 are to the angle needed.
When after the first clamping part 11 and the second clamping part 21 to the most required angle, the vascular tissue that need to clamp is pressed from both sides
Hold.
After vascular tissue is clamped, slide block 5 is pulled toward the direction of pulling part 42 along pull bar 4, drive first
Connecting shaft 53 and the second connecting shaft 54 are moved so that the first transmission arm 51 and the second transmission arm 52 gradually close, and then
Drive the first force section 12 and the second force section 22 to close, regulate the first clamping part 11 and the second clamping part 21 to needs
Clamping dynamics.
After regulating the clamping dynamics between the first clamping part 11 and the second clamping part 21, rotation lock part 51 makes it be sticked in
On limiting tooth 41, it is achieved the locking to slide block 5, thus complete the clamping to vascular tissue, equally, in operation process
Also clamping dynamics can be regulated at any time by clamping dynamics adjusting part.This medical spring forceps can be put down afterwards, connect
The operation technique got off.
When needing to unclamp the clamping to vascular tissue, tight pulling part 42 can be held by one, another hands rotation lock part
51, unclamp the locking to slide block 5, afterwards slide block 5 is promoted toward the direction away from pulling part 42, by driving first even
Spindle 53 and the motion of the second connecting shaft 54 so that the first transmission arm 51 and the second transmission arm 52 gradually open, and then
The first force section 12 and the second force section 22 is driven to open so that it is right that the first clamping part 11 and the second clamping part 21 unclamp
The clamping of vascular tissue.
When vascular tissue is clamped by the first clamping part 11 and the second clamping part 21, the first clamping part 11 and the second clamping
Between portion 21, folder is not dead, but has certain elasticity.First clamping part 11 and the second clamping part 21 are opening or are closing
During conjunction, the first transmission arm 51 and the second transmission arm 52 can be driven to open or close, thus drive the first connecting shaft 53 and
Two connecting shafts 54 produce slip in slide block 5, under the effect of the 4th spring 61 and the 5th spring 62, are the first clamping
The clamping of portion 11 and the second clamping part 21 provides elastic force, it is to avoid the problem that vascular tissue causes damage.
Refer to Figure 10 to Figure 11, the 4th embodiment of medical spring forceps provided for the present invention, the 4th embodiment with
The difference of the 3rd embodiment is:
Pull bar 4 includes: the first sub bar 401 and the second sub bar 402.
One end of first sub bar 401 is rotationally connected with bearing pin 3, and the other end is provided with spring retention cylinder 403, spring retention cylinder
The end face of 403 is provided with opening.
One end of second sub bar 402 is provided with the pars contractilis 404 being slidably connected in spring retention cylinder 403, and the other end is provided with
Pulling part 42.
Clamping dynamics Buffer Unit includes: be located at the 6th spring 405 within spring retention cylinder 403.
The axis of the 6th spring 405 and the first sub bar 401 and dead in line of the second sub bar 402.6th spring 405
One end contacts with spring retention cylinder 403, and the other end contacts with the end face of pars contractilis 404.The present embodiment passes through pull bar
4 produce flexible under the 6th spring 405 effect, and carrying out the clamping for the first clamping part 11 and the second clamping part 21 provides elastic force.
In use, its using method is identical with the 3rd embodiment for 4th embodiment of the medical spring forceps that the present invention provides,
Here is omitted.In operation process, the method identical with the 3rd embodiment can be used, to the first clamping part 11 and
Clamping dynamics between two clamping parts 21 is adjusted.
When vascular tissue is clamped by the first clamping part 11 and the second clamping part 21, the first clamping part 11 and the second clamping
Between portion 21, folder is not dead, but has certain elasticity.First clamping part 11 and the second clamping part 21 are opening or are closing
During conjunction, the first sub bar 401 and the second sub bar 402 can be driven flexible, by the 6th bullet under the effect of the 6th spring 405
The elasticity of spring 405, the clamping for the first clamping part 11 and the second clamping part 21 provides elastic force, it is to avoid make vascular tissue
The problem becoming damage.
Refer to Figure 12 to Figure 13, for the 5th embodiment of a kind of medical spring forceps that the present invention provides, this medical spring
Pincers include: the first tong arm the 1, second tong arm 2 and bearing pin 3, and the first tong arm 1 is hinged by bearing pin 3 with the second tong arm 2.
First tong arm 1 includes the first clamping part 11 being positioned at bearing pin 3 side, and is positioned at the first of bearing pin 3 opposite side and executes
Power portion 12.Second tong arm 2 includes being positioned at bearing pin 3 side and second clamping part 21 relative with the first clamping part 11, with
And it is positioned at bearing pin 3 opposite side and second force section 22 relative with the first force section 12.
This medical spring forceps also includes:
The clamping dynamics adjusting part being connected with the first force section 12 and the second force section 22, for regulation the first clamping
Portion 11 and the clamping dynamics of the second clamping part 21.
The clamping dynamics Buffer Unit being located in clamping dynamics adjusting part, at the first clamping part 11 and the second clamping part
On the clamping direction of 21, for providing elastic force between the first clamping part 11 and the second clamping part 21.
Specifically, clamping dynamics adjusting part includes: the first transmission arm 51, the second transmission arm 52, the first connecting shaft 53,
Second connecting shaft 54, pull bar 4 and slide block 5.
Wherein, the first force section 12 includes the first handle 13 being located at the first end, force section 12, and the second force section 22 includes
It is located at the second handle 23 of the second end, force section 22.First handle 13 and second handle 23 the most in the form of a ring, are available for finger
Stretch into, thus driven by finger finger control first handle 13 and second handle 23, first handle 13 and second handle 23
First tong arm 1 and the second tong arm 2 open or close, final control the first clamping part 11 and the second clamping part 21 opens or
Guan Bi.
Area rotation on one end of first transmission arm 51 and the first force section 12, between bearing pin 3 and first handle 13
Connecting, the other end and the first connecting shaft 53 are rotationally connected.
Area rotation on one end of second transmission arm 52 and the second force section 22, between bearing pin 3 and second handle 23
Connecting, the other end and the second connecting shaft 54 are rotationally connected.
One end of pull bar 4 is rotationally connected with bearing pin 3.
Slide block 5 is sheathed on pull bar 4 and is slidably connected with pull bar 4.
Pull bar 4 surface is provided with several limiting tooth 41 along the glide direction of slide block 5.
Slide block 5 is provided with and is rotationally connected the locking member 51 matched with limiting tooth 41 with slide block 5.
Locking member 51 is rotationally connected with slide block 5, can be when needing to be fixed the position of slide block 5, rotation lock part
51 make it be sticked on limiting tooth 41, it is achieved the locking to slide block 5.
First connecting shaft 53 and the second connecting shaft 54 lay respectively at the both sides of pull bar 4.First connecting shaft 53 and second connects
The axis of spindle 54 is parallel with the axis of bearing pin 3.First connecting shaft 53 and the second connecting shaft 54 are in the extension side of pull bar 4
It is slidably connected to slide block 5.
Pull bar 4 includes: the first sub bar 401 and the second sub bar 402.
One end of first sub bar 401 is rotationally connected with bearing pin 3, and the other end is provided with spring retention cylinder 403, spring retention cylinder
The end face of 403 is provided with opening.One end of second sub bar 402 is provided with the pars contractilis being slidably connected in spring retention cylinder 403
404, the other end is provided with pulling part 42.
Clamping dynamics Buffer Unit includes: be located at the 6th spring 405 within spring retention cylinder 403.
The axis of the 6th spring 405 and the first sub bar 401 and dead in line of the second sub bar 402.6th spring 405
One end contacts with spring retention cylinder 403, and the other end contacts with the end face of pars contractilis 404.The present embodiment passes through pull bar
4 produce flexible under the 6th spring 405 effect, and carrying out the clamping for the first clamping part 11 and the second clamping part 21 provides elastic force.
5th embodiment of the medical spring forceps that the present invention provides in use, can be first sliding by slide block 5 according to clinical experience
Moving to ad-hoc location, then slide block 5 is locked by rotation lock part 51.
Afterwards finger is stretched into first handle 13 and second handle 23, by controlling the first force section 12 and the second force section
22 open or close controls opening or closing of the first clamping part 11 and the second clamping part 21, and the folder to vascular tissue
Hold.
When needing to unclamp the clamping to vascular tissue, tight pulling part 42 can be held by one, another hands rotation lock part
51, unclamp the locking to slide block 5, afterwards slide block 5 is promoted toward the direction away from pulling part 42, by driving first even
Spindle 53 and the motion of the second connecting shaft 54 so that the first transmission arm 51 and the second transmission arm 52 gradually open, and then
The first force section 12 and the second force section 22 is driven to open so that it is right that the first clamping part 11 and the second clamping part 21 unclamp
The clamping of vascular tissue.
Or, it is also possible to directly stretch into first handle 13 and second handle 23 by hands, control the first force section 12 and
Two force sections 22 are opened, so that the first clamping part 11 and the second clamping part 21 unclamp the clamping to vascular tissue, it
After be rotated further by locking member 51, unclamp the locking to slide block 5.
In operation process, if there is a little bias the slide block regulated before 5 position, it is also possible at the folder to vascular tissue
After holding, rotation lock part 51, unclamps the locking to slide block 5, the then position of adjusting slider 5, to the first clamping part 11
And second the clamping dynamics between clamping part 21 again regulate, until being adjusted to suitably clamp dynamics, be rotated further by locking
Part 51, locks slide block 5.
When vascular tissue is clamped by the first clamping part 11 and the second clamping part 21, the first clamping part 11 and the second clamping
Between portion 21, folder is not dead, but has certain elasticity.First clamping part 11 and the second clamping part 21 are opening or are closing
During conjunction, the first sub bar 401 and the second sub bar 402 can be driven flexible, by the 6th bullet under the effect of the 6th spring 405
The elasticity of spring 405, the clamping for the first clamping part 11 and the second clamping part 21 provides elastic force, it is to avoid make vascular tissue
The problem becoming damage.
Refer to Figure 14 to Figure 15, the sixth embodiment of medical spring forceps provided for the present invention, this sixth embodiment with
The difference of the 5th embodiment is:
Clamping dynamics Buffer Unit includes: be located at the 4th spring 61 and the 5th spring 62 within slide block 5.
4th spring 61 and the 5th spring 62 are respectively arranged on the both sides of pull bar 4.4th spring 61 and the 5th spring 62
Axis is parallel with pull bar 4.
One end of 4th spring 61 is connected with the first connecting shaft 53, and the other end is connected with slide block 5.5th spring 62
One end be connected with the second connecting shaft 54, the other end is connected with slide block 5, can be by the slidable adjustment first of slide block 5
During clamping dynamics between clamping part 11 and the second clamping part 21, by between the 4th spring 61 and the first connecting shaft 53,
Elastic force between 5th spring 62 and the second connecting shaft 54, is the first clamping part 11 and chucking power of the second clamping part 21
The regulation of degree buffers.
In use, its using method is identical with the 5th embodiment for the sixth embodiment of the medical spring forceps that the present invention provides,
Here is omitted.In operation process, the method identical with the 5th embodiment can be used, to the first clamping part 11 and
Clamping dynamics between two clamping parts 21 is adjusted.
When vascular tissue is clamped by the first clamping part 11 and the second clamping part 21, the first clamping part 11 and the second clamping
Between portion 21, folder is not dead, but has certain elasticity.First clamping part 11 and the second clamping part 21 are opening or are closing
During conjunction, the first transmission arm 51 and the second transmission arm 52 can be driven to open or close, thus drive the first connecting shaft 53 and
Two connecting shafts 54 produce slip in slide block 5, under the effect of the 4th spring 61 and the 5th spring 62, are the first clamping
The clamping of portion 11 and the second clamping part 21 provides elastic force, it is to avoid the problem that vascular tissue causes damage.
It should be noted that the first clamping part 11 and the second clamping part 21 in above-mentioned the first to sixth embodiment can be
Linear structure shown in Fig. 4 to Figure 15, it is also possible to be the perpendicular type structure shown in Figure 16, or shown in Figure 17
Flexure mode structure or other structures.The connected mode of the first tong arm 1 and the second tong arm 2 and bearing pin 3 is also not necessarily limited to Fig. 4 extremely
Structure shown in Figure 15, it is also possible to be the structure shown in Figure 18 or other structures.In medical spring forceps, each parts can root
According to being actually needed employing metal, the material such as highstrenghtpiston is made, and preferably rustless steel is material.
It addition, first spring the 245, second spring the 32, the 3rd spring the 33, the 4th in above-mentioned the first to sixth embodiment
Spring the 61, the 5th spring 62 and the 6th spring 405 can select different types of spring as required, such as extension spring or pressure
Spring, according to the concrete structure of medical turn, selects the spring kind that can meet elastic force needs.
From above technical scheme, the medical spring forceps that the present invention provides, including: first tong arm the 1, second tong arm 2
With bearing pin 3, the first tong arm 1 is hinged by bearing pin 3 with the second tong arm 2；First tong arm 1 includes being positioned at bearing pin 3 side
The first clamping part 11, and be positioned at the first force section 12 of bearing pin 3 opposite side；Second tong arm 2 includes being positioned at bearing pin 3
Side and second clamping part 21 relative with the first clamping part 11, and be positioned at bearing pin 3 opposite side and with the first force section
12 the second relative force sections 22.This medical spring forceps also includes clamping dynamics adjusting part and clamping dynamics Buffer Unit；
Clamping dynamics adjusting part is connected with the first force section 12 and the second force section 22, for regulation the first clamping part 11 He
The clamping dynamics of the second clamping part 21；Clamping dynamics Buffer Unit is located in clamping dynamics adjusting part or is located at the first tong arm
In 1, it is used in the first clamping part 11 and clamping direction of the second clamping part 21, is the first clamping part 21 and the second folder
Offer elastic force between portion 22 is provided；Can realize in operation process, regulate clamping dynamics at any time by clamping dynamics adjusting part,
Elastic force is provided for clamping, it is to avoid vascular tissue is caused damage by clamping dynamics Buffer Unit；Thering is provided convenient for operation
While, it is ensured that the safety of operation.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to other of the present invention
Embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes
Or adaptations follow the present invention general principle and include the present invention undocumented in the art known often
Know or conventional techniques means.Description and embodiments is considered only as exemplary, true scope and spirit of the invention by under
The claim in face is pointed out.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
Various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a medical spring forceps, including: the first tong arm (1), the second tong arm (2) and bearing pin (3), described first tong arm
(1) hinged by described bearing pin (3) with the second tong arm (2)；Described first tong arm (1) includes being positioned at described bearing pin (3)
First clamping part (11) of side, and it is positioned at first force section (12) of described bearing pin (3) opposite side；Described second pincers
Arm (2) includes being positioned at described bearing pin (3) side and second clamping part (21) relative with described first clamping part (11),
And it is positioned at described bearing pin (3) opposite side and second force section (22) relative with described first force section (12), its feature
Being, described medical spring forceps also includes:
The clamping dynamics adjusting part being connected with described first force section (12) and described second force section (22), is used for adjusting
Save the clamping dynamics between described first clamping part (11) and described second clamping part (21)；
Be located in described clamping dynamics adjusting part or be located at the clamping dynamics Buffer Unit in described first tong arm (1), for
On the clamping direction of described first clamping part (11) and described second clamping part (21), for described first clamping part (11) and
Elastic force is provided between described second clamping part (21).
Medical spring forceps the most according to claim 1, it is characterised in that described clamping dynamics adjusting part includes: first
Regulation portion (14) and the second regulation portion (24) being oppositely arranged with described first regulation portion (14)；
Described first force section (12) includes the first handle (13) being located at described first force section (12) end, described
Two force sections (22) include the second handle (23) being located at described second force section (22) end；Described first regulation portion (14)
Being connected with described first handle (13), described second regulation portion (24) is connected with described second handle (23)；Described
First regulation portion (14) and the second regulation portion (24) are all between described first handle (13) and described second handle (23)
Extend；Described first regulation portion (14) is in column, and the side in described first regulation portion (14) is provided with several first regulation tooth (141)；
Described second regulation portion (24) is provided with several second regulations tooth (243) matched with described several first regulations tooth (141).
Medical spring forceps the most according to claim 2, it is characterised in that described second regulation portion (24), in tubular, wraps
Include the spring lock chamber (241) being connected with described second handle (23), and be connected with described spring lock chamber (241)
Logical regulation chamber (242)；Described regulation chamber (242) one end relative with described first regulation portion (14) is provided with opening；Institute
State several second regulation tooth (243) to be located on described regulation chamber (242) and described several first regulation tooth (141) contrary
The inwall of side；The internal diameter of described regulation chamber (242) is more than the external diameter in described first regulation portion (14)；
Described clamping dynamics Buffer Unit includes: gag lever post (244) and the first spring being sheathed on described gag lever post (244)
(245)；It is internal that described gag lever post (244) is fixed on described spring lock chamber (241)；The axle of described gag lever post (244)
The heart and the axis coinciding of described spring lock chamber (241)；The length of described gag lever post (244) is less than described second regulation portion (24)
Length；The length of described first spring (245) is more than the length of described gag lever post (244), and regulates less than described second
The length in portion (24).
Medical spring forceps the most according to claim 2, it is characterised in that described second regulation portion (24) in column, institute
State several second regulation tooth (243) to be located in described second regulation portion (24) and described several first regulation tooth (141) phase
Anti-side；
Described clamping dynamics Buffer Unit includes: buffer stopper (31), is located at second spring (32) of described buffer stopper (31) one end,
And it is located at the 3rd spring (33) of described buffer stopper (31) other end；The upper corresponding described bearing pin (3) of described first tong arm (1)
Periphery be provided with hollow-out parts (30), the width of described buffer stopper (31) is less than the width of described hollow-out parts (30)；Described slow
Rushing block (31) to be located in described hollow-out parts (30), described second spring (32) and described 3rd spring (33) are respectively arranged on
In space between both ends of the surface and the described hollow-out parts (30) of described buffer stopper (31)；Described second spring (32) and described
The axis direction of the 3rd spring (33) is vertical with the end face of described buffer stopper (31)；Described buffer stopper (31) center is provided with logical
Hole, described bearing pin (3) is located in described through hole.
Medical spring forceps the most according to claim 1, it is characterised in that described clamping dynamics adjusting part includes: first
Transmission arm (51), the second transmission arm (52), the first connecting shaft (53), the second connecting shaft (54), pull bar (4) and cunning
Block (5)；
One end of described first transmission arm (51) is hinged with described first force section (12), the other end and described first connecting shaft
(53) it is rotationally connected；One end of described second transmission arm (52) is hinged with described second force section (22), the other end and institute
State the second connecting shaft (54) to be rotationally connected；One end of described pull bar (4) is rotationally connected with described bearing pin (3), and the other end sets
There is pulling part (42)；Described slide block (5) is sheathed on described pull bar (4) and above and is slidably connected with described pull bar (4)；Described
Pull bar (4) surface is provided with several limiting tooth (41) along the glide direction of described slide block (5)；Described slide block (5) be provided with
Described slide block (5) is rotationally connected the locking member (51) matched with described limiting tooth (41)；Described first connecting shaft (53)
With the both sides that described second connecting shaft (54) lays respectively at described pull bar (4)；Described first connecting shaft (53) and described second
The axis of connecting shaft (54) is parallel with the axis of described bearing pin (3)；Described first connecting shaft (53) and described second connecting shaft
(54) bearing of trend at described pull bar (4) is slidably connected with described slide block (5).
Medical spring forceps the most according to claim 5, it is characterised in that described clamping dynamics Buffer Unit includes: be located at
4th spring (61) of described slide block (5) inside and the 5th spring (62)；
Described 4th spring (61) and described 5th spring (62) are respectively arranged on the both sides of described pull bar (4)；Described 4th bullet
Spring (61) is parallel with described pull bar (4) with the axis of described 5th spring (62)；One end of described 4th spring (61) with
Described first connecting shaft (53) connects, and the other end is connected with described slide block (5)；One end of described 5th spring (62) with
Described second connecting shaft (54) connects, and the other end is connected with described slide block (5).
Medical spring forceps the most according to claim 5, it is characterised in that described pull bar (4) including: the first sub bar (401)
With the second sub bar (402)；One end of described first sub bar (401) is rotationally connected with described bearing pin (3), and the other end is provided with bullet
Spring houses cylinder (403), and the end face of described spring retention cylinder (403) is provided with opening；One end of described second sub bar (402) sets
Having the pars contractilis (404) being slidably connected in described spring retention cylinder (403), the other end is provided with pulling part (42)；
Described clamping dynamics Buffer Unit includes: be located at the 6th spring (405) that described spring retention cylinder (403) is internal；Institute
State axis and described first sub bar (401) and the dead in line of described second sub bar (402) of the 6th spring (405)；Described
One end of 6th spring (405) contacts with described spring retention cylinder (403), the other end and the end of described pars contractilis (404)
Face contacts.
Medical spring forceps the most according to claim 1, it is characterised in that described clamping dynamics adjusting part includes: first
Transmission arm (51), the second transmission arm (52), the first connecting shaft (53), the second connecting shaft (54), pull bar (4) and cunning
Block (5)；
Described first force section (12) includes the first handle (13) being located at described first force section (12) end, described
Two force sections (22) include the second handle (23) being located at described second force section (22) end；Described first transmission arm (51)
One end and described first force section (12) is upper, area rotation company between described bearing pin (3) and described first handle (13)
Connecing, the other end is rotationally connected with described first connecting shaft (53)；One end of described second transmission arm (52) is executed with described second
Power portion (22) area rotation upper, between described bearing pin (3) and described second handle (23) is connected, the other end and described the
Two connecting shafts (54) are rotationally connected；One end of described pull bar (4) is rotationally connected with described bearing pin (3)；Described slide block (5)
It is sheathed on described pull bar (4) above and to be slidably connected with described pull bar (4)；Described pull bar (4) surface is along described slide block (5)
Glide direction be provided with several limiting tooth (41)；Described slide block (5) is provided with and is rotationally connected and institute with described slide block (5)
State the locking member (51) that limiting tooth (41) matches；Described first connecting shaft (53) and described second connecting shaft (54) point
It is not positioned at the both sides of described pull bar (4)；The axis of described first connecting shaft (53) and described second connecting shaft (54) is with described
The axis of bearing pin (3) is parallel；Described first connecting shaft (53) and described second connecting shaft (54) are at described pull bar (4)
Bearing of trend is slidably connected with described slide block (5).
Medical spring forceps the most according to claim 8, it is characterised in that described pull bar (4) including: the first sub bar (401)
With the second sub bar (402)；One end of described first sub bar (401) is rotationally connected with described bearing pin (3), and the other end is provided with bullet
Spring houses cylinder (403), and the end face of described spring retention cylinder (403) is provided with opening；One end of described second sub bar (402) sets
There is the pars contractilis (404) being slidably connected in described spring retention cylinder (403)；
Described clamping dynamics Buffer Unit includes: be located at the 6th spring (405) that described spring retention cylinder (403) is internal；Institute
State axis and described first sub bar (401) and the dead in line of described second sub bar (402) of the 6th spring (405)；Described
One end of 6th spring (405) contacts with described spring retention cylinder (403), the other end and the end of described pars contractilis (404)
Face contacts.
Medical spring forceps the most according to claim 8, it is characterised in that described clamping dynamics Buffer Unit includes: be located at
4th spring (61) of described slide block (5) inside and the 5th spring (62)；
Described 4th spring (61) and described 5th spring (62) are respectively arranged on the both sides of described pull bar (4)；Described 4th bullet
Spring (61) is parallel with described pull bar (4) with the axis of described 5th spring (62)；One end of described 4th spring (61) with
Described first connecting shaft (53) connects, and the other end is connected with described slide block (5)；One end of described 5th spring (62) with
Described second connecting shaft (54) connects, and the other end is connected with described slide block (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597870.0A CN105997193B (en) | 2016-07-27 | 2016-07-27 | Medical spring forceps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597870.0A CN105997193B (en) | 2016-07-27 | 2016-07-27 | Medical spring forceps |
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| CN105997193B CN105997193B (en) | 2018-10-09 |
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| CN201610597870.0A Expired - Fee Related CN105997193B (en) | 2016-07-27 | 2016-07-27 | Medical spring forceps |
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| CN111129416A (en) * | 2019-12-30 | 2020-05-08 | 东莞市沃泰通新能源有限公司 | Battery multi-tab fixing device and battery |
| CN113397633A (en) * | 2021-05-24 | 2021-09-17 | 邵志鹏 | End changeable hemostatic forceps of pincerlike operation that facilitates use |
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| CN107693083A (en) * | 2017-10-31 | 2018-02-16 | 中国人民解放军第二军医大学 | Adjustable blood vessel blocking device |
| CN107693083B (en) * | 2017-10-31 | 2024-05-17 | 中国人民解放军第二军医大学 | Adjustable vascular occlusion device |
| CN108186075A (en) * | 2018-02-12 | 2018-06-22 | 中南大学湘雅二医院 | Vascular tissue's resistance control device |
| CN108403187A (en) * | 2018-03-14 | 2018-08-17 | 王俊 | A kind of multifunction surgical lock pincers |
| CN108403187B (en) * | 2018-03-14 | 2023-06-30 | 江苏省人民医院（南京医科大学第一附属医院） | Multifunctional surgical locking pliers |
| CN110859657A (en) * | 2019-11-07 | 2020-03-06 | 江苏省肿瘤医院 | Endoscope blood vessel tunnel pincers |
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| CN113397633A (en) * | 2021-05-24 | 2021-09-17 | 邵志鹏 | End changeable hemostatic forceps of pincerlike operation that facilitates use |
| CN115813456A (en) * | 2022-12-09 | 2023-03-21 | 沈阳医学院附属第二医院 | Endocardium myocardial biopsy forceps and use method thereof |
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