CN104490437B - Staple bin assembly and medical stapler using staple bin assembly - Google Patents
Staple bin assembly and medical stapler using staple bin assembly Download PDFInfo
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- CN104490437B CN104490437B CN201410841615.7A CN201410841615A CN104490437B CN 104490437 B CN104490437 B CN 104490437B CN 201410841615 A CN201410841615 A CN 201410841615A CN 104490437 B CN104490437 B CN 104490437B
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- shaped knife
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- nail
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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
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a staple bin assembly and a medical stapler using the staple bin assembly. The staple bin assembly comprises a staple bin rack, a staple anvil and an I-shaped cutter assembly, wherein the I-shaped cutter assembly comprises an I-shaped cutter and an I-shaped cutter support part; the I-shaped cutter comprises a first end and a second end; the I-shaped cutter support part is connected to the second end of the I-shaped cutter; a rolling part is arranged on at least one of the first end of the I-shaped cutter and the I-shaped cutter support part; the rolling surface of the rolling part at the first end of the I-shaped cutter leans against the upper end surface of the staple anvil in the processes of percussion and withdrawing of the I-shaped cutter assembly; and/or the rolling surface of the rolling part arranged on the I-shaped cutter support part leans against the lower end surface of the staple bin rack. According to the staple bin assembly and the medical stapler using the staple bin assembly, the sliding friction between the I-shaped cutter assembly and the staple anvil and/or between the I-shaped cutter assembly and the staple bin rack is converted into rolling friction, so that the friction resistance between mechanical parts is reduced; the medical stapler can be conveniently controlled to cut physiological tissues, so that the surgical risk is reduced.
Description
Technical field
The invention belongs to manufacture technology field of medical appliance is and in particular to a kind of nail bin groupware and apply this nail bin groupware
Medical stapler.
Background technology
Medical stapler is to carry out commonly used a kind of medical apparatus and instruments during surgical operation to physiological tissue, and it is medically
The equipment substituting traditional-handwork suture using, due to the development of modern science and technology and the improvement of manufacturing technology, clinically makes at present
Medical stapler reliable in quality, easy to use, tight, elastic suitable, especially its suture is quick, easy and simple to handle and little
There are side effect and postoperative complication, sometimes also make the tumor operation that cannot excise in the past be able to lesion resection, be subject to very much
The favor of Clinical Surgery doctor and high praise both at home and abroad.
Content of the invention
The purpose of an embodiment of the present invention is to provide a kind of nail bin groupware and applies the medical of this nail bin groupware to coincide
Device.
For achieving the above object, an embodiment of the present invention provides a kind of nail bin groupware, including nail bin frame, is arranged on
Nail bin on described nail bin frame, can relatively described nail bin closure or the nail anvil opened, nail bin connector, and push broach bar, described
The far-end of push broach bar is provided with I-shaped knife assembly；
Described nail anvil has the nail anvil face of nail anvil molding, and the nail anvil upper surface opposite with described nail anvil face；
Described nail bin frame has the nail bin frame lower surface away from described nail bin；
Described I-shaped knife assembly includes: the I-shaped knife being connected with described push broach bar far-end, and described I-shaped knife is movable
It is connected to the I-shaped knife support member on described nail bin frame；
Described I-shaped knife includes first end, the second end, and the cutting connecting described first end and the second end
Portion, described I-shaped knife support member connects to the second end of described I-shaped knife；
It is provided with rolling member on the first end of described I-shaped knife and described I-shaped knife support member；Wherein,
During the percussion of described I-shaped knife assembly and retracting, it is arranged on the rolling member of the first end of described I-shaped knife
Rolling surface abut with described nail anvil upper surface, and be arranged on the rolling surface of rolling member on described I-shaped knife support member with described
Nail bin frame lower surface abuts.
As the improvement further of an embodiment of the present invention, the first end of described I-shaped knife offers through hole,
The rolling member being arranged on described I-shaped knife first end is movably positioned at described insertion in the hole.
As the improvement further of an embodiment of the present invention, the rolling member being arranged on described I-shaped knife first end includes
Two the first rolling abutting parts relative to each other, and the first rolling connecting portion connecting two described first rolling abutting parts；
The diameter of section of described first rolling abutting part is more than the aperture of through hole on described I-shaped knife first end.
As the improvement further of an embodiment of the present invention, the axial length of described first rolling connecting portion is equal to described
The depth of through hole.
As the improvement further of an embodiment of the present invention, described I-shaped knife support member is concavely provided with mounting groove, setting
Rolling member on described I-shaped knife support member is movably positioned in described mounting groove.
As the improvement further of an embodiment of the present invention, described I-shaped knife support member also includes joining with described mounting groove
The locking piece closing, described locking piece and described mounting groove have cooperatively formed lock hole, are arranged on described I-shaped knife support member
Rolling member is positioned in described mounting groove by described lock hole.
As the improvement further of an embodiment of the present invention, described nail bin frame is further opened with advance for described I-shaped knife
Tool slot, described locking piece is less than or equal to described along the length being arranged in the rolling member axial direction on described I-shaped knife support member
The width of tool slot.
As the improvement further of an embodiment of the present invention, the rolling member being arranged on described I-shaped knife support member includes
Rolling member main body, and the supporting part being symmetrically extended out from the two ends of described rolling member main body；Described supporting part is in circular cone shape,
The two ends of described mounting groove are respectively formed with mounting groove bearing surface, are arranged on two of the rolling member on described I-shaped knife support member
Supporting part is connected to two mounting groove bearing surfaces in described mounting groove respectively.
As the improvement further of an embodiment of the present invention, described rolling member main body with diameter greater than described mounting groove
Depth.
In order to realize foregoing invention purpose, an embodiment of the present invention provides a kind of Medical stapler, including above-mentioned technology
The one of which nail bin groupware of scheme.
Compared with prior art, the present invention provides nail bin groupware and the Medical stapler applying this nail bin groupware, pass through
At least one of the first end of described I-shaped knife and described I-shaped knife support member is provided with rolling member；In described nail
During storehouse assembly fires or retracts, by the sliding friction between I-shaped knife assembly and nail anvil and/or and described nail bin frame between
It is changed into rolling friction, so, reduce the frictional resistance between device components, conveniently control described nail bin groupware to cut physiology
Tissue, reduces operation risk.
Brief description
Fig. 1 is the perspective view of Medical stapler in an embodiment of the present invention.
Fig. 2 a is the schematic perspective view of the part-structure of first embodiment in Fig. 1 Medical stapler；
Fig. 2 b is the schematic perspective view of the part-structure of second embodiment in Fig. 1 Medical stapler；
Fig. 3 is the a-a sectional view of Fig. 2 a；
Fig. 4 is the b-b sectional view of Fig. 2 a；
Fig. 5 is the c-c sectional view of Fig. 3；
Fig. 6 is the mplifying structure schematic diagram that Fig. 3 centre circle shows part；
Fig. 7 is the perspective view of I-shaped knife assembly in Fig. 2；
Fig. 8 is the configuration schematic diagram of I-shaped knife assembly in Fig. 7；
Fig. 9 is the a-a sectional view of Fig. 2 b；
Figure 10 is the b-b sectional view of Fig. 2 b；
Figure 11 is the c-c sectional view of Fig. 9；
Figure 12 is the mplifying structure schematic diagram that Fig. 9 centre circle shows part；
Figure 13 is the perspective view of I-shaped knife assembly in Fig. 2 b；
Figure 14 is the configuration schematic diagram of I-shaped knife assembly in Figure 13.
Specific embodiment
Describe the present invention below with reference to specific embodiment shown in the drawings.But these embodiments are simultaneously
Do not limit the present invention, structure that those of ordinary skill in the art is made, method or functionally according to these embodiments
Conversion is all contained in protection scope of the present invention.
In the present invention, the word in described expression position and direction, is all using exercises on apparatus author as reference, near operation
One end of person is near-end, and the one end away from operator is far-end, in addition, using nail anvil and nail bin as reference direction, defining nail anvil
Under for upper, nail bin being.
In embodiments of the present invention, the Medical stapler of the present invention is done with hysteroscope surgical incision anastomat for example
Specific explaination, but it should explanation, in embodiment disclosed below, involved skill spirit can alternatively be utilized
To on the anastomat of other forms.
As shown in figure 1, hysteroscope surgical incision anastomat is used for multiple suturing nails are applied to the physiological tissue of human body, with
When accordingly to physiology organize and implement cutting.In an embodiment of the present invention, described hysteroscope surgical incision anastomat includes device
Volution 20 that tool body 10 and instrument body 10 connect, the percussion handle 30 of pivotally connected apparatus body 10, be arranged at apparatus this
The nail bin groupware 40 of the far-end of body 10.
In conjunction with shown in Fig. 2 a, Fig. 2 b, Fig. 3, Fig. 9, in present embodiment, nail bin groupware 40 includes: nail bin frame 41, is arranged on
The nail bin connector 42 of nail bin frame 41 near-end, be arranged on nail bin frame 41 far-end nail bin 43, be installed on nail bin connector 42
Push broach bar 44, the nail anvil 45 that can close with respect to nail bin 43 or open, the nail anvil lid 47 of masking nail anvil 45, and it is connected to push broach bar
The I-shaped knife assembly 49 of 44 far-ends.
Nail bin frame 41 has the nail bin frame lower surface 411 away from nail bin 43；It is further opened with for I-shaped knife 491 on nail bin frame 41
The tool slot (sign) advanced.
Nail bin 43 has nail bin face (sign), described nail bin face is formed through the push broach groove in described nail bin face (not
Indicate), the nail-arranging slot (sign) being respectively provided on two sides with from the recessed formation in nail bin face of described push broach groove, set in described nail-arranging slot
It is equipped with suturing nail (sign)；It is additionally provided with the percussion block promoting described suturing nail to fire out from described nail-arranging slot in nail bin 43
431.
Nail anvil 45 has the nail anvil face (sign) of nail anvil molding, and the nail anvil upper surface opposite with described nail anvil face
451, nail anvil 45 axial direction offers anvil pocket (sign), described anvil pocket runs through described nail anvil face to nail anvil upper surface 451.
I-shaped knife assembly 49 includes: the I-shaped knife 491 being connected with described push broach bar 44 far-end, and in described hysteroscope surgery
In Endo-GIA assembling process, I-shaped knife 491 is movably connected in the I-shaped knife support member 493 on nail bin frame 41；I-shaped knife
491 include in its installation, near the first end (sign) of nail anvil 45 setting, near the second end of nail bin 43 setting
Portion (does not indicate), and connects the cutting part (sign) of described first end and described the second end；I-shaped knife support member 493
Connect to the second end of I-shaped knife 491；I-shaped knife 491 also has the safety block 4911 and right arranging on its second end
Claim to be arranged on the wing portion 4913 of first end both sides；When described hysteroscope surgical incision anastomat is completed, described safety block
4911 near described percussion block 431.
I-shaped knife support member 493 is provided with I-shaped knife stopper slot 4931, and I-shaped knife limiting stand 4933, and I-shaped knife is spacing
The second end that groove 4931 is used for accommodating I-shaped knife 491 passes through, and I-shaped knife 491 is detachably connected on nail bin frame 41；Work
Word knife limiting stand 4933 is used for I-shaped knife support member 493 is guided, and here is not described in detail.
In hysteroscope surgical incision anastomat, the anvil pocket on nail anvil 45, the push broach groove on nail bin 43, and on nail bin frame 41
Tool slot to I-shaped knife 491 positioning and guiding.Meanwhile, it should be noted that in the prior art, hysteroscope surgical incision anastomat
When being completed, the lower surface in wing portion 4913 is abutted with nail anvil upper surface 451, the upper surface of I-shaped knife support member 493 and nail
Storehouse frame lower surface 411 abuts.And in embodiments of the present invention, I-shaped knife 491 do not contact with described nail anvil upper surface 451,
I-shaped knife 491 is mutually abutted by rolling member indirectly with nail anvil upper surface 451, and/or under I-shaped knife support member 493 and nail bin frame
End face 411 does not contact, I-shaped knife support member 493 is mutually abutted by rolling member indirectly with described nail bin frame lower surface 411, below
Present embodiment will will be described in detail.
It should be noted that between I-shaped knife assembly 49 and nail anvil upper surface 451 and I-shaped knife assembly 49 and nail bin frame
Rolling member role between lower surface 411 is roughly the same, therefore is referred to as rolling member, in the specific embodiment of the present invention
In, for the ease of distinguishing, the rolling member between I-shaped knife assembly 49 and nail anvil upper surface 451 is defined as the first rolling member
4915, the rolling member between I-shaped knife assembly 49 and nail bin frame lower surface 411 is defined as the second rolling member 4935.
Further, nail bin 43 and nail anvil 45 are arranged to relatively to pivot, and described hysteroscope surgical incision anastomat/
When nail bin groupware is in original state, the nail anvil tail of the near-end of nail anvil 45 is acted on by external force, to keep nail anvil 45 and nail bin 43
In open shape, I-shaped knife assembly 49 is located at the near-end of described nail bin groupware 40.
When both are switched to open mode, the desired physiological tissue being operated can be placed between the two, subsequently, leads to
Cross and both are switched to closure state, the desired physiological tissue positioned between the two is clamped, to carry out follow-up cutting and seam
Closing operation.
When described hysteroscope surgical incision anastomat/nail bin groupware 40 is in closure state, driven by described I-shaped knife assembly 49
Move, nail anvil 45 and nail bin 43 close, and can clamp therebetween and treat physiological tissue, I-shaped knife assembly 49 is with respect to described original state
Speech, the far-end to described hysteroscope surgical incision anastomat/nail bin groupware 40 moves certain distance, but is still located in general
The near-end of described nail bin groupware 40.
When described hysteroscope surgical incision anastomat/nail bin groupware 40 is in cock, described nail anvil 45 and nail bin 43 are still
So remain closed, I-shaped knife assembly 49 is moved by the proximate of described nail bin groupware 40, the physiological tissue of cutting clamping, and
Can be moved by spacing stopping in the far-end of nail bin groupware 40.
Further, during being driven, safety block 4911 is connected on percussion block 431 I-shaped knife assembly 49, push broach
Bar 44 promotes I-shaped knife assembly 49 from the near-end of hysteroscope surgical incision anastomat to its distal movement, the cutting on I-shaped knife 491
Portion's detachment is located at the physiological tissue between nail anvil 45 and nail bin 43, and meanwhile, safety block 4911 promotes described percussion block 431, and then
Described suturing nail is fired from described push broach groove, with the further tissue suturing detachment.
In prior art, above-mentioned I-shaped knife assembly 49 by during percussion, and during I-shaped knife assembly 49 is pulled,
The lower surface in wing portion 4913 is connected on nail anvil upper surface 451 all the time, and the upper surface of I-shaped knife support member 493 is connected to described
On nail bin frame lower surface 411, to keep the cutting route of I-shaped knife 491, so, on the lower surface and nail anvil in wing portion 4913
Between end face 451, and between the upper surface of I-shaped knife support member 493 and nail bin frame lower surface 411, all produce sliding friction,
And larger because producing frictional force, operator needs to drive described hysteroscope surgical incision anastomat using very big power, so that
Do not allow in this hysteroscope surgical incision anastomat easy to operate, and when firmly excessive, be also easy to scratch patient, or even cause medical thing
Therefore, increase operation risk.
In a preferred embodiment of the invention, in conjunction with shown in Fig. 4 to Fig. 8, the first end of I-shaped knife 491 being set up
One rolling member 4915, during being driven and retracting, the first rolling member 4915 rotates I-shaped knife assembly 49 around its own axis,
Meanwhile, abut with nail anvil upper surface 451, so, the sliding friction between I-shaped knife 491 and nail anvil upper surface 451 is changed into
Rolling friction, reduces the frictional resistance between device components, conveniently controls described hysteroscope surgical incision anastomat to cut physiology
Tissue, reduces operation risk.
In the embodiment of the invention, the first rolling member 4915 includes two the first rolling abutting parts relative to each other
49153, and connect the first rolling connecting portion 49151 of two first rolling abutting parts 49153；First rolling connecting portion
49151 and two first rolling abutting parts 49153 axis on the same line；Described I-shaped knife assembly 49 is driven or is drawn
During returning, first rolls connecting portion 49151 rotates around its own axis, meanwhile, drives first to roll abutting part 49153 around it
Own axes rotate, and a rolling abutting part 49153 is abutted with nail anvil upper surface 451.
Further, the first end of I-shaped knife 491 offers through hole 4917, be arranged on I-shaped knife 491 first end
First rolling member 4915 in portion is movably positioned in through hole 4917.The quantity of through hole 4917 is at least one；Certainly, at this
In the other embodiment of invention, through hole 4917 is alternatively and opens up groove on the side wall of the first end of I-shaped knife 491, institute
The quantity stating groove is also at least one, and described groove can be opened on a side wall of I-shaped knife 491 first end, also may be used
To open up on two side wall it is preferred that groove is symmetrically opened up on the two side of I-shaped knife 491 first end.In addition, insertion
Hole 4917 can also be for others, in I-shaped knife 491 running, for the first rolling member 4915 is movably arranged at I-shaped knife
On 491, and make to produce force of rolling friction between I-shaped knife 491 and nail anvil upper surface 451 by described first rolling member 4915
Structure, here is not described in detail.
In present embodiment, the arbitrary section diameter of the first rolling connecting portion 49151 is less than or equal to I-shaped knife 491 first end
The aperture of through hole 4917 in portion；The diameter of section of one of them in any one first rolling abutting part 49153 section is more than
The aperture of through hole 4917 on I-shaped knife 491 first end.
In the specific embodiment of the present invention, first rolling connecting portion 49151 each several part diameter of section size identical, two
The each several part diameter of section size of individual first rolling abutting part 49153 is identical；The axial direction of described first rolling connecting portion 49151 is long
Degree is equal to the depth of described through hole 4917；Two first roll abutting part 49153 and are symmetricly set in the first rolling connecting portion
49151 both sides；So, I-shaped knife assembly 49 is during being driven and being retracted, described first rolling member 4915 each several part with
The force of rolling friction size producing between nail anvil upper surface 451 is identical, controls described hysteroscope surgical incision anastomat to facilitate.
In addition, it is necessary to explanation, when the first rolling member 4915 is arranged on I-shaped knife 491, and when described hysteroscope surgery is cut
When cutting anastomat and being completed, I-shaped knife assembly 49 is not contacted with nail anvil upper surface 451, the only first rolling member 4915 and nail anvil
Upper surface 451 mutually abuts.After so, it is also possible to omit wing portion when I-shaped knife 491 arranges the first rolling member 4915
4913 setting, here is not described in detail.
In conjunction with shown in Figure 10 to Figure 14, in second embodiment of the invention, I-shaped knife support member 493 is set up one second rolling
Moving part 4935, during being driven and retracting, the second rolling member 4935 rotates I-shaped knife assembly 49 around its own axis, with
When, abut with nail bin frame lower surface 411, so, the slip between I-shaped knife support member 493 and nail bin frame lower surface 411 is rubbed
Wiping is changed into rolling friction, reduces the frictional resistance between device components, the described hysteroscope surgical incision anastomat of convenient control
Cutting physiological tissue, reduces operation risk.
In present embodiment, the second rolling member 4935 can be identical with the structure of above-mentioned first rolling member 4915, and here is not done
It is described in detail.
In the specific embodiment of the invention, the second rolling member 4935 includes columned rolling member main body 49351, and
The supporting part 49353 being symmetrically extended out from the two ends of described rolling member main body 49351；Supporting part 49353 is circular cone shape, described
Frustum of a cone bottom is fixedly connected on rolling member main body 49351.
Further, I-shaped knife support member 493 is concavely provided with mounting groove 4937, is arranged on I-shaped knife support member 493
Second rolling member 4935 is movably positioned in mounting groove 4937, and the diameter of section of rolling member main body 49351 is more than mounting groove 4937
Depth.
Further, the two ends of mounting groove 4937 are respectively formed with mounting groove bearing surface, two of the second rolling member 4935
Supporting part 49353 is connected to two mounting groove bearing surfaces in mounting groove 4937 respectively.So, the second rolling member 4935 and I-shaped
After knife support member 493 combination, supporting part 49353, and a part of of rolling member main body 49351 be all connected to mounting groove 4937
Interior, during being driven or to retract in I-shaped knife assembly 49, limit the rotating direction of the second rolling member 4935.
Further, I-shaped knife support member 493 also includes the locking piece 4939 with mounting groove 4937 cooperation, locking piece 4939
Cooperatively form lock hole with mounting groove 4937, the rolling member being arranged on I-shaped knife support member 493 is positioned by described lock hole
In mounting groove 4937；Locking piece 4939 is along the length in the second rolling member 4935 axial direction being arranged on I-shaped knife support member 493
Degree is less than or equal to the width of the tool slot on nail bin frame 41.
In the preferred embodiment for the present invention, locking piece 4939 is along the second rolling member being arranged on I-shaped knife support member 493
Length in 4935 axial directions is equal to the width of the tool slot on nail bin frame 41.
It is understood that locking piece 4939 can be fixed on I-shaped knife support member 493 in several ways, such as: logical
Cross the various ways such as rivet, welding, gluing, here is not described in detail.Certainly, in the other embodiment of the present invention
In, the mounting groove 4937 that the second rolling member 4935 can also only pass through to open up on I-shaped knife support member 493 is fixed, example
As two supporting parts 49353 of the second rolling member 4935 are directly plugged in two bearing surfaces of mounting groove 4937, to install
Form abutment in the bearing surface of groove 4937, during I-shaped knife assembly 49 is driven or is retracted, the second rolling member 4935 with
The abutment being plugged in mounting groove 4937 is rolled for fulcrum, and here is not described in detail.
Further, the quantity of the second rolling member 4935 and mounting groove matches, and it is at least one, in the present invention
Preferred implementation in, the quantity of the second rolling member 4935 is two, and its axis is each perpendicular to the feed on nail bin frame 41
Groove.
It is understood that above-mentioned first embodiment and second embodiment are independent embodiment, in reality
In the application process of border, in order to further reduce the frictional force that I-shaped knife assembly 49 is in contact with it between parts, acceptable
Described first embodiment and second embodiment are combined, the first rolling member is increased on I-shaped knife assembly 49 simultaneously
4915 and second rolling member 4935, certainly, the connection side of the first rolling member 4915, the second rolling member 4935 and I-shaped knife assembly 49
Formula can also accordingly do corresponding adjustment, and here is not described in detail.
In sum, the present invention provides nail bin groupware and the hysteroscope surgical incision anastomat with it, by described
It is provided with rolling member at least one of the first end of I-shaped knife and described I-shaped knife support member；In described nail bin groupware
During firing or retracting, the sliding friction between I-shaped knife assembly and nail anvil and/or and described nail bin frame between is changed into
Rolling friction, so, reduces the frictional resistance between device components, convenient control described nail bin groupware cutting physiological tissue,
Reduce operation risk.
It should be understood that although this specification is been described by according to embodiment, but not each embodiment only comprises one
Individual independent technical scheme, only for clarity, those skilled in the art should will say this narrating mode of description
As an entirety, the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment understanding.
The a series of detailed description of those listed above is only for the feasibility embodiment of the present invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Claims (10)
1. a kind of nail bin groupware, the nail bin including nail bin frame, being arranged on described nail bin frame, can described nail bin closure or beat relatively
The nail anvil opened, nail bin connector, and push broach bar, the far-end of described push broach bar is provided with I-shaped knife assembly；
Described nail anvil has the nail anvil face of nail anvil molding, and the nail anvil upper surface opposite with described nail anvil face；
Described nail bin frame has the nail bin frame lower surface away from described nail bin；
Described I-shaped knife assembly includes: the I-shaped knife being connected with described push broach bar far-end, and described I-shaped knife is flexibly connected
I-shaped knife support member on described nail bin frame；
Described I-shaped knife includes first end, the second end, and the cutting part of the described first end of connection and the second end, institute
State I-shaped knife support member to connect to the second end of described I-shaped knife；
It is characterized in that,
It is provided with rolling member on the first end of described I-shaped knife and described I-shaped knife support member；Wherein,
During the percussion of described I-shaped knife assembly and retracting, it is arranged on the rolling of the rolling member of first end of described I-shaped knife
Dynamic face is abutted with described nail anvil upper surface, and is arranged on the rolling surface of rolling member on described I-shaped knife support member and described nail bin
Frame lower surface abuts.
2. nail bin groupware according to claim 1 is it is characterised in that offer insertion on the first end of described I-shaped knife
Hole, the rolling member being arranged on described I-shaped knife first end is movably positioned at described insertion in the hole.
3. nail bin groupware according to claim 2 is it is characterised in that be arranged on the rolling member of described I-shaped knife first end
Including two the first rolling abutting parts relative to each other, and the first rolling connection connecting two described first rolling abutting parts
Portion；The diameter of section of described first rolling abutting part is more than the aperture of through hole on described I-shaped knife first end.
4. nail bin groupware according to claim 3 is it is characterised in that the axial length of described first rolling connecting portion is equal to
The depth of described through hole.
5. nail bin groupware according to claim 1 is it is characterised in that described I-shaped knife support member is concavely provided with mounting groove,
The rolling member being arranged on described I-shaped knife support member is movably positioned in described mounting groove.
6. nail bin groupware according to claim 5 is it is characterised in that described I-shaped knife support member also includes and described installation
The locking piece of groove cooperation, described locking piece and described mounting groove have cooperatively formed lock hole, have been arranged on described I-shaped knife support member
On rolling member be positioned in described mounting groove by described lock hole.
7. nail bin groupware according to claim 6 is it is characterised in that be further opened with for described I-shaped knife on described nail bin frame
The tool slot advanced, described locking piece is less than or equal to along the length being arranged in the rolling member axial direction on described I-shaped knife support member
The width of described tool slot.
8. nail bin groupware according to claim 5 is it is characterised in that the rolling member that is arranged on described I-shaped knife support member
Including rolling member main body, and the supporting part being symmetrically extended out from the two ends of described rolling member main body；Described supporting part is in circular cone
Mesa-shaped, the two ends of described mounting groove are respectively formed with mounting groove bearing surface, are arranged on the rolling member on described I-shaped knife support member
Two supporting parts be connected to two mounting groove bearing surfaces in described mounting groove respectively.
9. nail bin groupware according to claim 8 is it is characterised in that the diameter of section of described rolling member main body is more than described
The depth of mounting groove.
10. a kind of Medical stapler is it is characterised in that described Medical stapler is included as above described in any one claim
Nail bin groupware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841615.7A CN104490437B (en) | 2014-12-30 | 2014-12-30 | Staple bin assembly and medical stapler using staple bin assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841615.7A CN104490437B (en) | 2014-12-30 | 2014-12-30 | Staple bin assembly and medical stapler using staple bin assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104490437A CN104490437A (en) | 2015-04-08 |
| CN104490437B true CN104490437B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410841615.7A Active CN104490437B (en) | 2014-12-30 | 2014-12-30 | Staple bin assembly and medical stapler using staple bin assembly |
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| Country | Link |
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| CN (1) | CN104490437B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739472A (en) * | 2015-03-13 | 2015-07-01 | 天津万和医疗器械有限公司 | Surgical cutting and suturing instrument provided with clearance control device |
| US11278285B2 (en) * | 2018-08-13 | 2022-03-22 | Cilag GbmH International | Clamping assembly for linear surgical stapler |
| CN110420041A (en) * | 2019-09-11 | 2019-11-08 | 舒拓 | A kind of deformation-compensated mechanism of push broach rod bending suitable for stapler |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7665646B2 (en) * | 2007-06-18 | 2010-02-23 | Tyco Healthcare Group Lp | Interlocking buttress material retention system |
| US8733613B2 (en) * | 2010-09-29 | 2014-05-27 | Ethicon Endo-Surgery, Inc. | Staple cartridge |
| CN103315789B (en) * | 2013-06-27 | 2015-04-15 | 常州市康迪医用吻合器有限公司 | Executing assembly of cutting anastomat applicable to minimally invasive surgery |
| CN203763155U (en) * | 2014-03-15 | 2014-08-13 | 郑克华 | Straight-line cutting stapler |
| CN204379342U (en) * | 2014-12-30 | 2015-06-10 | 苏州天臣国际医疗科技有限公司 | Nail bin groupware and apply the Medical stapler of this nail bin groupware |
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2014
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| Publication number | Publication date |
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| CN104490437A (en) | 2015-04-08 |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co., Ltd Address before: 215021 science and Technology Plaza, Jinji Lake Road International Science and Technology Park, Suzhou Industrial Park, Jiangsu, 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |