CN103505268A - Puncture device - Google Patents
Puncture device Download PDFInfo
- Publication number
- CN103505268A CN103505268A CN201310202250.9A CN201310202250A CN103505268A CN 103505268 A CN103505268 A CN 103505268A CN 201310202250 A CN201310202250 A CN 201310202250A CN 103505268 A CN103505268 A CN 103505268A
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- Prior art keywords
- conical surface
- elastic sealing
- sealing element
- sealing
- perforator
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
- A61B2017/3441—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable with distal sealing means
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
- A61B2017/3464—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Multiple-Way Valves (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to a puncture device which is good in sealing performance. The puncture device comprises a sealing assembly, wherein the sealing assembly comprises a plurality of elastic sealing pieces arranged between a pair of rings. Each elastic sealing piece comprises a conical surface thin wall part in the shape of a circular cone and an annular part connected to the bottom of the conical surface thin wall part, wherein a fan-shaped notch is formed in the conical surface thin wall part, and the top end of the fan-shaped notch is the top end of the conical surface thin wall part. The annular parts of the elastic sealing pieces are stacked to enable the conical surface thin wall parts of the elastic sealing pieces to form a conical sealing piece, and then a surgical instrument penetrating through the sealing assembly is made to be in clearance fit with the sealing assembly in a sealing mode. A 300-340 degree circumference is arranged on the bottom of the conical surface thin wall part of each elastic sealing piece. After the surgical instrument penetrates through the sealing assembly, the lateral wall of the surgical instrument can be wrapped with the radial edges of the fan-shaped notches of the elastic sealing pieces more tightly, so that sealing performance is improved, and even when the air pressure in the enterocoelia reaches 8KPa, air leakage can not happen.
Description
Technical field
The present invention relates to a kind of Minimally Invasive Surgery apparatus, particularly relate to the sealing device of the perforator using in laparoscopic surgery.
Background technology
Perforator is a kind ofly to pierce through stomach wall and for other operating theater instruments provide the operating theater instruments that enters body cavity passage, belong to a kind of Minimally Invasive Surgery apparatus.
Perforator generally includes as the sleeve assembly of other operating theater instruments admission passages with through the puncturing lever in described sleeve assembly.For transdermal, first with scalpel, cut epiderm skin, then puncturing lever transdermal enter body cavity.By the near-end to described puncturing lever, exert pressure, promote the tip of described puncturing lever through skin, until perforator enters body cavity, extract puncturing lever out, sleeve assembly just can be used as the mis instruments passage of carrying out endo-surgical and splanchnoscopy operation.
Sleeve assembly is used for various apparatuses and instrument to introduce intraperitoneal, and provides aeration to make stomach wall be elevated to organ top.At this class intra-operative, by sleeve assembly, insert sniffer (for example, endoscope or peritoneoscope), to allow surgeon to observe operation process being connected in the external monitor of sniffer.
At intra-operative, for stoping intraperitoneal Leakage Gas, prior art has adopted a kind of perforator, and the top of its sleeve assembly has a housing, is provided with instrument black box in this housing, it comprises a pair of stiffening ring, and a plurality of separate be pressed in this to ring between flexible seals, each elastic sealing element has the circumference of 180 ° to 270 ° and builds up together each other layer, to form conical sealing member, and be suitable for the operating theater instruments of black box described in hermetically passing, to stop intraperitoneal Leakage Gas.
Above-mentioned the deficiencies in the prior art part is: the sealing property of above-mentioned black box is lower, and when intraperitoneal air pressure is greater than 4KPa, gas leakage obviously; Meanwhile, when intraperitoneal air pressure is less than 4KPa, also there is the situation of chronic leakage.
Summary of the invention
Technical problem to be solved by this invention is to provide the good perforator of sealing property between a kind of simple in structure, black box and operating theater instruments.
In order to address the above problem, the invention provides a kind of perforator, comprising: sleeve assembly, be located at the black box in the housing at this sleeve assembly top, it comprises a pair of stiffening ring, and be a plurality ofly located at this to the elastic sealing element between ring; Each elastic sealing element comprises: be conical conical surface thinner wall section and the ring part that is connected to this conical surface thinner wall section bottom; Conical surface thinner wall section is provided with sector notch, and the top of this sector notch is the top of described conical surface thinner wall section, and the ring part of each elastic sealing element builds up layer each other together, so that the conical surface thinner wall section of each elastic sealing element forms conical sealing member, and then make operating theater instruments and the sealing component sealing clearance fit through described black box; Be characterized in: the bottom of the conical surface thinner wall section of each elastic sealing element has the circumference of 300 ° to 340 °.
In described conical surface thinner wall section, without reinforcement or strengthen pad part, corresponding production technology is easier, the air-tightness between black box and operating theater instruments is better.
As a kind of preferred version, be: described ring part is provided with the base breach relative with described sector notch; The width of this base breach is less than the bottom width of described sector notch, and base breach is over against the central authorities of described sector notch, with in the bottom circumference of conical surface thinner wall section of fixing each elastic sealing element, fix as far as possible the position of radial edges of the sector notch of each elastic sealing element, guarantee sector notch on the adjacent elastic sealing element of lamination enough angles that can stagger, avoid producing leakage path between adjacent sector notch, finally guaranteed the sealing between adjacent elastic sealing element.
Further preferred scheme is: the housing at described sleeve assembly top comprises: switch cap and receiver that upper-lower seal coordinates; Described black box is located on the service aisle in switch cap.
Further preferred scheme is: described receiver comprises: bowl bodies, be longitudinally connected to this bowl bodies bottom center and be fixed on the annular cover plate at this bowl bodies top, and be located at the plug valve on this bowl bodies sidewall with cylindrical shell, the sealing of this bowl bodies one; Plug valve is for allowing and stoping perfusion of fluid to be entered or discharged body cavity by cylindrical shell; On the lateral wall of described annular cover plate, be evenly distributed with at least two for the mounting groove of three-back-shaped snap close is set; The medial wall of three-back-shaped snap close is provided with spring; On the end face of described annular cover plate, be distributed with the interface with described mounting groove up/down perforation; The bottom of described switch cap is extended with a plurality of for inserting respectively the dead bolt of described interface downwards, the inner side of this dead bolt has locked groove, after this dead bolt is successively through the through hole on described interface, three-back-shaped snap close, under the effect of described spring, described locked groove secure fit is in the through hole of described three-back-shaped snap close, and then it is fixing that switch cap and receiver are patched.
Further preferred scheme is: the service aisle in the bowl bodies of described receiver is provided with air shuttle valve; This air shuttle valve comprises the inner cup portion that elastomeric material is made, and the bottom surface of this inner cup portion is that plane ，Gai bottom surface central authorities are provided with cross-formed slits; The sidewall of this inner cup portion is provided with four relative with four angles of described cross-formed slits respectively arcuate grooves; Described operating theater instruments is suitable for through described cross-formed slits, and the bottom surface of this inner cup portion is suitable for sealing described service aisle when not having operating theater instruments to pass, and prevents from being thus delivered to by plug valve, cylindrical shell the leaking of perfusion gas of body cavity.
During use, gas pressure in inner cup portion is on four arcuate grooves and push four angles of described cross-formed slits, when not having operating theater instruments to pass, make described cross-formed slits closed, and then seal when operating theater instruments is passed described cross-formed slits, described service aisle is realized sealing by described black box.Underrun cross-formed slits and the cylindricality surgical device of this inner cup portion are slidably matched, and with respect to the slit type structure of duck-beak type air shuttle valve, material deformation is little, and the resistance acting on accordingly in operating theater instruments reduces.
The degree of depth of each arcuate groove, increases from top to bottom gradually, so that it is better to push the action effect of pressure of four angles of described cross-formed slits, and then improves sealing effectiveness.
Described four arcuate groove centrosymmetry distribute, so that it is even to push the pressure of four angles of described cross-formed slits.
Further preferred scheme is: the top of described inner cup portion has integrated flange, this flange is for coordinating with the center through hole of annular cover plate and the sealed bottom of switch cap of described receiver, so that described switch cap coordinates with receiver upper-lower seal.
Further preferred scheme is: this perforator also comprises that this puncturing lever comprises the rod body part of ABS material and is connected to the head of the PC material of this rod body part end through the puncturing lever in described sleeve assembly.With respect to adopting metal rod body part, that the present invention has is with low cost, simple process, the higher feature of safety.
The present invention has positive effect with respect to prior art:
(1) in the black box of perforator of the present invention, the bottom of the conical surface thinner wall section of elastic sealing element has the circumference of 300 ° to 340 °, correspondingly, on described elastic sealing element, sector notch is just less, the technique effect of its corresponding generation is: when operation, operating theater instruments is through after described black box, the radial edges parcel of the sidewall of operating theater instruments and the sector notch of each elastic sealing element is tightr, and then raising sealing property, even if intraperitoneal air pressure reaches 8KPa, there is not the situation of gas leakage yet.In addition, if the bottom circumference of the conical surface thinner wall section of described elastic sealing element is greater than 340 °, can cause operating theater instruments to insert difficulty, cause the radial edges modification of sector notch of described elastic sealing element larger simultaneously, and then affect the sealing between the adjacent elastic sealing element of lamination.If the bottom circumference of the conical surface thinner wall section of described elastic sealing element is less than 300 °, the parcel power of the radial edges of the sidewall of operating theater instruments and the sector notch of each elastic sealing element a little less than, and then affect the sealing between each elastic sealing element and operating theater instruments, and during operation,, when intraperitoneal air pressure is greater than 4KPa, gas leakage obviously;
(2) housing at sleeve assembly of the present invention top comprises: switch cap and receiver that upper-lower seal coordinates; With respect to integrative-structure, the advantage of this Split type structure: be beneficial in operation process, change in time or cleaning switch cap according to practical situation; Meanwhile, in operation process, can clear up the bowl bodies of receiver.In addition,, once one of switch cap and receiver are damaged, remaining parts can be organized perforator with another and be used in conjunction with, and are beneficial to saving;
(3) switch cap of the present invention and receiver patch fit structure, have easy to use, the feature that reliability is higher;
(4) the bottom surface central authorities of air shuttle valve of the present invention are provided with cross-formed slits; The sidewall of this inner cup portion is provided with four relative with four angles of described cross-formed slits respectively arcuate grooves; During use, gas pressure in inner cup portion is on four arcuate grooves and push four angles of described cross-formed slits, when not having operating theater instruments to pass, make described cross-formed slits closed, and then seal when operating theater instruments is passed described cross-formed slits, described service aisle is realized sealing by described black box.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present invention and than the technical advantage of existing product, below by means of accompanying drawing by a possible embodiment of limiting examples explanation of the described principle of application.In the drawings:
Figure 1A is the structural representation of perforator of the present invention;
Figure 1B is the top view of perforator of the present invention;
Fig. 1 C is the A-A sectional structure chart of the perforator in Figure 1A;
Fig. 1 D is the B-B sectional structure chart of the perforator in Figure 1A;
Fig. 1 E is the axonometric chart of perforator of the present invention;
Fig. 1 F is the sectional structure chart of the housing parts of perforator of the present invention;
Fig. 1 G is the switch cap sectional structure chart in perforator of the present invention;
Fig. 2 is the decomposition texture schematic diagram of perforator of the present invention;
Fig. 3 A is the top view of receiver of the present invention;
Fig. 3 B is the C-C sectional structure chart of receiver of the present invention;
Fig. 3 C is the D-D sectional structure chart of receiver of the present invention;
Fig. 4 A is the structural representation of air shuttle valve of the present invention;
Fig. 4 B is the right view of the air shuttle valve in Fig. 4 A;
Fig. 4 C is the axonometric chart of the air shuttle valve in Fig. 4 A;
Fig. 4 D is the left view of the air shuttle valve in Fig. 4 A;
Fig. 5 A is the structural representation of elastic sealing element of the present invention;
Fig. 5 B is the upward view of the elastic sealing element in Fig. 5 A;
Fig. 5 C is the axonometric chart of the elastic sealing element in Fig. 5 A.
The specific embodiment
See Fig. 1, the perforator of the present embodiment, comprising: sleeve assembly 1, and the housing 2 at this sleeve assembly top comprises: switch cap 2-1 and receiver 2-2 that upper-lower seal coordinates; Described receiver 2-2 comprises: bowl bodies 2-20, be longitudinally connected to this bowl bodies 2-20 bottom center and be fixed on the annular cover plate 2-22 at this bowl bodies 2-20 top, and be located at the plug valve 4 on this bowl bodies 2-20 sidewall with the cylindrical shell 2-21 of this bowl bodies 2-20 one, sealing.This plug valve 4 is for allowing and stoping perfusion of fluid to enter or discharge body cavity by cylindrical shell 2-21;
The central axis of switch cap 2-1 and receiver 2-2 is provided with for wearing the service aisle 10 of operating theater instruments or puncturing lever; One black box 3 is located on the service aisle in switch cap 2-1, and black box 3 tops are provided with protector 6.
Described black box 3 comprises a pair of stiffening ring 3-1, and 3 to 6 (preferably 4) are located at this to the elastic sealing element 3-2 between ring 3-1; Each elastic sealing element 3-2 comprises: be conical conical surface thinner wall section 3-21 and the ring part 3-22 that is connected to this conical surface thinner wall section 3-21 bottom; Conical surface thinner wall section 3-21 is provided with sector notch 3-20, and the top of this sector notch 3-20 is the top 3-24 of described conical surface thinner wall section 3-21, and the ring part 3-22 of each elastic sealing element 3-2 builds up layer each other together, so that the conical surface thinner wall section 3-21 of each elastic sealing element 3-2 forms conical sealing member, and then make to coordinate with sealing assembly 3 air-tight movables through the operating theater instruments of described black box 3; The bottom of the conical surface thinner wall section of each elastic sealing element 3-2 has the circumference of 300 ° to 340 ° (preferably 360 °).The technique effect of its corresponding generation is: when operation, operating theater instruments is through after described black box 3, the radial edges parcel of the sector notch 3-20 of the sidewall of operating theater instruments and each elastic sealing element 3 is tightr, and then raising sealing property, even if intraperitoneal air pressure reaches 8KPa, there is not the situation of gas leakage yet.
Described ring part 3-22 is provided with the base breach 3-220 relative with described sector notch 3-20; Described ring part 3-22 is also uniformly distributed and is useful on the pin Shang hole 3-23 being located on described a pair of stiffening ring 3-1, to fix each elastic sealing element 3-2.
The width of described base breach 3-220 is less than the bottom width of described sector notch 3-20, and base breach 3-220 is over against the central authorities of described sector notch 3-20, with in the bottom circumference of conical surface thinner wall section of fixing each elastic sealing element 3-2, fix as far as possible the position of radial edges of the sector notch 3-20 of each elastic sealing element 3-2, guarantee sector notch 3-20 on the adjacent elastic sealing element 3-2 of lamination enough angles that can stagger, avoid producing leakage path between adjacent sector notch 3-20, finally guaranteed the sealing between adjacent elastic sealing element 3-2.
On the lateral wall of described annular cover plate 2-22, be evenly distributed with at least two for the mounting groove 2-26 of three-back-shaped snap close 2-23 is set; The medial wall of three-back-shaped snap close 2-23 is provided with spring 2-24; On the end face of described annular cover plate 2-22, be distributed with the interface 2-25 with described mounting groove 2-26 up/down perforation; The bottom of described switch cap 2-1 is extended with a plurality of for inserting respectively the dead bolt 2-11 of described interface 2-25 downwards, the inner side of this dead bolt 2-11 has locked groove 2-12, after this dead bolt 2-11 is successively through the through hole 2-27 on described interface 2-25, three-back-shaped snap close 2-23, under the effect of described spring 2-24, described locked groove 2-12 secure fit is in the through hole 2-27 of described three-back-shaped snap close 2-23.
Service aisle in the bowl bodies 2-20 of described receiver 2-2 is provided with air shuttle valve 7; This air shuttle valve 7 comprises the inner cup portion 71 that elastomeric material is made, and this inner cup portion 71 bottom surface 72 is provided with cross-formed slits 73 for plane ，Gai bottom surface 72 central authorities; The sidewall of this inner cup portion 71 is provided with four relative with four angles of described cross-formed slits respectively arcuate grooves 74; Described operating theater instruments is suitable for through described cross-formed slits 73, and the bottom surface 72 of this inner cup portion is suitable for sealing described service aisle 10 when not having operating theater instruments to pass, and prevents from being thus delivered to leaking of endoceliac perfusion gas by plug valve 4, cylindrical shell 2-21.
During use, gas pressure in inner cup portion 71 is on four arcuate grooves 74 and push four angles of described cross-formed slits 73, when not having operating theater instruments to pass, make described cross-formed slits 73 closures, and then seal when operating theater instruments is passed described cross-formed slits 73, described service aisle is realized sealing by described black box 3.Elastic sealing element 3-2 and air shuttle valve 7 adopt rubber to make.
Described inner cup portion 71 top has integrated flange 75, this flange 75 coordinates for the center through hole of the annular cover plate 2-22 with described receiver 2-2 and the sealed bottom of switch cap 2-1, so that described switch cap 2-1 coordinates with receiver 2-2 upper-lower seal.
This perforator also comprises through the puncturing lever in described sleeve assembly, and this puncturing lever comprises the rod body part of ABS material and is connected to the head of the PC material of this rod body part end.With respect to adopting metal rod body part, that the present invention has is with low cost, simple process, the higher feature of safety.
The bottom of the conical surface thinner wall section of elastic sealing element 3-2 has the circumference of 300 ° to 340 °, correspondingly, the upper sector notch 3-20 of described elastic sealing element 3-2 is just less, the technique effect of its corresponding generation is: when operation, operating theater instruments is through after described black box, and the radial edges of the sector notch 3-20 of the sidewall of operating theater instruments and each elastic sealing element 3-2 parcel is tightr, and then improves sealing property, even if intraperitoneal air pressure reaches 8KPa, there is not the situation of gas leakage yet.In addition, if the bottom circumference of the conical surface thinner wall section of described elastic sealing element 3-2 is greater than 340 °, can cause operating theater instruments to insert difficulty, cause the radial edges modification of sector notch 3-20 of described elastic sealing element 3-2 larger simultaneously, and then affect the sealing between the adjacent elastic sealing element 3-2 of lamination.If the bottom circumference of the conical surface thinner wall section of described elastic sealing element 3-2 is less than 300 °, the parcel power of the radial edges of the sector notch 3-20 of the sidewall of operating theater instruments and each elastic sealing element 3-2 a little less than, and then affect the sealing between each elastic sealing element 3-2 and operating theater instruments, and during operation,, when intraperitoneal air pressure is greater than 4KPa, gas leakage obviously.
With respect to integrative-structure, housing 22 of the present invention adopts Split type structure, is beneficial in operation process, according to practical situation, changes in time or cleaning switch cap 2-1; Meanwhile, in operation process, can clear up the bowl bodies 2-20 of receiver 2-2.In addition,, once one of switch cap 2-1 and receiver 2-2 are damaged, remaining parts can be organized perforator with another and be used in conjunction with, and are beneficial to saving.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (9)
1. a perforator, comprises sleeve assembly, is located at the black box in the housing at this sleeve assembly top, and it comprises a pair of stiffening ring, and is a plurality ofly located at this to the elastic sealing element between ring;
Each elastic sealing element comprises: be conical conical surface thinner wall section and the ring part that is connected to this conical surface thinner wall section bottom; Conical surface thinner wall section is provided with sector notch, and the top of this sector notch is the top of described conical surface thinner wall section, and the ring part of each elastic sealing element builds up layer each other together, so that the conical surface thinner wall section of each elastic sealing element forms conical sealing member, and then make operating theater instruments and the sealing component sealing clearance fit through described black box;
It is characterized in that: the bottom of the conical surface thinner wall section of each elastic sealing element has the circumference of 300 ° to 340 °.
2. perforator according to claim 1, is characterized in that: described ring part is provided with the base breach relative with described sector notch; The width of this base breach is less than the bottom width ，Qie base breach of described sector notch over against the central authorities of described sector notch.
3. perforator according to claim 1, is characterized in that: the housing at described sleeve assembly top comprises: switch cap and receiver that upper-lower seal coordinates;
Described black box is located on the service aisle in switch cap.
4. perforator according to claim 3, it is characterized in that: described receiver comprises: bowl bodies, be longitudinally connected to this bowl bodies bottom center and be fixed on the annular cover plate at this bowl bodies top, and be located at the plug valve on this bowl bodies sidewall with the cylindrical shell of this bowl bodies one, sealing; Plug valve is for allowing and stoping perfusion of fluid to be entered or discharged body cavity by cylindrical shell;
On the lateral wall of described annular cover plate, be evenly distributed with at least two for the mounting groove of three-back-shaped snap close is set; The medial wall of three-back-shaped snap close is provided with spring;
On the end face of described annular cover plate, be distributed with the interface with described mounting groove up/down perforation;
The bottom of described switch cap is extended with a plurality of for inserting respectively the dead bolt of described interface downwards, the inner side of this dead bolt has locked groove, after this dead bolt is successively through the through hole on described interface, three-back-shaped snap close, under the effect of described spring, described locked groove secure fit is in the through hole of described three-back-shaped snap close.
5. perforator according to claim 3, is characterized in that: the service aisle in the bowl bodies of described receiver is provided with air shuttle valve;
This air shuttle valve comprises the inner cup portion that elastomeric material is made, and the bottom surface of this inner cup portion is that plane ，Gai bottom surface central authorities are provided with cross-formed slits;
The sidewall of this inner cup portion is provided with four relative with four angles of described cross-formed slits respectively arcuate grooves;
Described operating theater instruments is suitable for through described cross-formed slits, and the bottom surface of this inner cup portion is suitable for sealing described service aisle when not having operating theater instruments to pass, and prevents from being thus delivered to by trocar the leakage of the perfusion gas of body cavity.
6. perforator according to claim 5, it is characterized in that: the top of described inner cup portion has integrated flange, this flange is for coordinating with the center through hole of annular cover plate and the sealed bottom of switch cap of described receiver, so that described switch cap coordinates with receiver upper-lower seal.
7. perforator according to claim 1, is characterized in that: this perforator also comprises that this puncturing lever comprises the rod body part of ABS material and is connected to the head of the PC material of this rod body part end through the puncturing lever in described sleeve assembly.
8. perforator according to claim 5, is characterized in that: the degree of depth of each arcuate groove, increases from top to bottom gradually.
9. perforator according to claim 5, is characterized in that: described four arcuate groove centrosymmetry distribute.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202250.9A CN103505268B (en) | 2013-05-24 | 2013-05-24 | Puncture device |
| CN201510206043.XA CN104873251B (en) | 2013-05-24 | 2013-05-24 | Operation puncture outfit |
| PCT/CN2013/087614 WO2014187093A1 (en) | 2013-05-24 | 2013-11-21 | Puncture outfit with relatively good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202250.9A CN103505268B (en) | 2013-05-24 | 2013-05-24 | Puncture device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510206043.XA Division CN104873251B (en) | 2013-05-24 | 2013-05-24 | Operation puncture outfit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103505268A true CN103505268A (en) | 2014-01-15 |
| CN103505268B CN103505268B (en) | 2015-05-13 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510206043.XA Active CN104873251B (en) | 2013-05-24 | 2013-05-24 | Operation puncture outfit |
| CN201310202250.9A Active CN103505268B (en) | 2013-05-24 | 2013-05-24 | Puncture device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510206043.XA Active CN104873251B (en) | 2013-05-24 | 2013-05-24 | Operation puncture outfit |
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| CN (2) | CN104873251B (en) |
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| WO2016070797A1 (en) * | 2014-11-08 | 2016-05-12 | 周星 | Puncture device having a silencer |
| WO2016074579A1 (en) * | 2014-11-16 | 2016-05-19 | 周星 | Radial seal assembly, end seal and trocar |
| WO2016101738A1 (en) * | 2014-12-23 | 2016-06-30 | 周星 | Modular seal assembly and puncture ware |
| CN105982704A (en) * | 2016-07-05 | 2016-10-05 | 江苏风和医疗器材有限公司 | Seal cartridge and puncture outfit with same |
| WO2018024103A1 (en) * | 2016-08-02 | 2018-02-08 | 成都五义医疗科技有限公司 | Puncture device sealing membrane comprising groove structure |
| CN110772303A (en) * | 2018-07-31 | 2020-02-11 | 江苏风和医疗器材股份有限公司 | Puncture outfit shell and puncture outfit |
| CN111150450A (en) * | 2019-12-26 | 2020-05-15 | 中国人民解放军陆军军医大学第一附属医院 | Compression hemostat |
| CN111920494A (en) * | 2020-09-01 | 2020-11-13 | 深圳市世格赛思医疗科技有限公司 | Rod piece sealing structure and puncture outfit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105997205B (en) | 2016-08-02 | 2017-09-22 | 成都五义医疗科技有限公司 | A kind of puncture outfit diaphragm seal and component comprising positive and negative groove |
| CN107997811B (en) * | 2016-10-31 | 2024-06-11 | 广州迪克医疗器械有限公司 | Sealing ring protection sheet for puncture outfit, end sealing assembly and puncture outfit |
| CN106725649A (en) * | 2016-12-29 | 2017-05-31 | 上海凯利泰医疗科技股份有限公司 | Surgery cannula and arthroscope operation tool |
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| WO2016070797A1 (en) * | 2014-11-08 | 2016-05-12 | 周星 | Puncture device having a silencer |
| WO2016074579A1 (en) * | 2014-11-16 | 2016-05-19 | 周星 | Radial seal assembly, end seal and trocar |
| WO2016101738A1 (en) * | 2014-12-23 | 2016-06-30 | 周星 | Modular seal assembly and puncture ware |
| CN105769298A (en) * | 2014-12-23 | 2016-07-20 | 广州迪克医疗器械有限公司 | Combined sealing component and trocar |
| CN105982704A (en) * | 2016-07-05 | 2016-10-05 | 江苏风和医疗器材有限公司 | Seal cartridge and puncture outfit with same |
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| US11013532B2 (en) | 2016-08-02 | 2021-05-25 | 5Rmed Technology(Chengdu) Co., Ltd. | Trocar seal membrane with concave-channel structure |
| CN110772303A (en) * | 2018-07-31 | 2020-02-11 | 江苏风和医疗器材股份有限公司 | Puncture outfit shell and puncture outfit |
| CN110772303B (en) * | 2018-07-31 | 2022-05-13 | 江苏风和医疗器材股份有限公司 | Puncture outfit shell and puncture outfit |
| CN111150450A (en) * | 2019-12-26 | 2020-05-15 | 中国人民解放军陆军军医大学第一附属医院 | Compression hemostat |
| CN111920494A (en) * | 2020-09-01 | 2020-11-13 | 深圳市世格赛思医疗科技有限公司 | Rod piece sealing structure and puncture outfit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104873251B (en) | 2017-09-29 |
| CN104873251A (en) | 2015-09-02 |
| CN103505268B (en) | 2015-05-13 |
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