CN104873251A - Puncture outfit for operation - Google Patents
Puncture outfit for operation Download PDFInfo
- Publication number
- CN104873251A CN104873251A CN201510206043.XA CN201510206043A CN104873251A CN 104873251 A CN104873251 A CN 104873251A CN 201510206043 A CN201510206043 A CN 201510206043A CN 104873251 A CN104873251 A CN 104873251A
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- China
- Prior art keywords
- elastic sealing
- perforator
- sealing element
- sector notch
- wall section
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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 outfit for operation. The puncture outfit comprises a sealing component, the sealing component comprises a plurality of elastic sealing parts between a pair of rings, each elastic sealing part comprises a conical thin-wall portion and a ring portion connected at the bottom of the conical thin-wall portion, and the conical thin-wall portion is provided with a sector notch; the top end of the sector notch is the top end of the conical thin-wall portion; the ring portions of the elastic sealing parts are stacked together, so as to form the conical sealing parts by the conical thin-wall portions of the elastic sealing parts, and then an operation instrument penetrating the sealing component can be hermetically and movably matched with the sealing component. The bottom of the conical thin-wall portion of each elastic sealing part is provided with the circumference of 300-340 degrees. After the operation instrument penetrates the sealing component, the side wall of the operation instrument and the radial edge of the sector notches of the elastic sealing parts are wrapped closely, so that sealing performance is improved. Even if air pressure in the abdominal cavity is up to 8 KPa, there is still no air leak.
Description
Technical field
The present invention relates to a kind of Minimally Invasive Surgery apparatus, particularly relate to the sealing device of the perforator used in laparoscopic surgery.
Background technology
Perforator a kind ofly pierces through stomach wall and provide the operating theater instruments entering lumenal passageway for other operating theater instruments, belongs 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.In order to transdermal, first cut epiderm skin with scalpel, then puncturing lever transdermal enter body cavity.Apply pressure by the near-end to described puncturing lever, promote the tip of described puncturing lever through skin, until perforator enters body cavity, extract puncturing lever out, sleeve assembly just can as the mis instruments passage performing endo-surgical and splanchnoscopy operation.
Sleeve assembly is used for various apparatus and instrument to introduce intraperitoneal, and provides aeration that stomach wall is elevated to above organ.At this kind of intra-operative, insert sniffer (such as, endoscope or peritoneoscope) by sleeve assembly, in the external monitor being connected to sniffer, observe operation process to allow surgeon.
At intra-operative, for stoping intraperitoneal Leakage Gas, prior art have employed 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 stiffening ring, and multiple separate be pressed in this to the flexible seals between ring, each elastic sealing element has the circumference of 180 ° to 270 ° and builds up layer together each other, 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 sealing property good perforator of a kind of structure simply, between black box and operating theater instruments.
In order to solve the problem, the invention provides a kind of operation perforator, comprising: sleeve assembly, the black box be located in the housing at this sleeve assembly top, it comprises a pair stiffening ring, and is multiplely located at this to the elastic sealing element between ring; Each elastic sealing element comprises: conically conical surface thinner wall section and the ring part be connected to bottom this conical surface thinner wall section; 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, to make the conical surface thinner wall section of each elastic sealing element form conical sealing member, and then make the operating theater instruments through described black box and sealing component sealing clearance fit; Be characterized in: the bottom of the conical surface thinner wall section of each elastic sealing element has the circumference of 300 ° to 340 °.
Without reinforcement or reinforcement pad part in described conical surface thinner wall section, easier, between black box and operating theater instruments the air-tightness of corresponding production technology 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 just to the central authorities of described sector notch, with while the lower circumference of the conical surface thinner wall section of fixing each elastic sealing element, fix the position of the radial edges of the sector notch of each elastic sealing element as far as possible, the sector notch guaranteeing on the adjacent spring sealing member of lamination can stagger enough angles, avoid producing leakage path between adjacent sector notch, finally ensure that the sealing between adjacent spring sealing member.
Preferred scheme is further: the housing at described sleeve assembly top comprises: the switch cap that upper-lower seal coordinates and receiver; 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 with the cylindrical shell of this bowl bodies one, seal the annular cover plate being fixed on this bowl bodies top, and be located at the plug valve on this bowl bodies sidewall; Plug valve is used for allowing and stop perfusion of fluid entered by cylindrical shell or discharge body cavity; The lateral wall of described annular cover plate is evenly distributed with at least two for arranging the mounting groove of three-back-shaped snap close; The medial wall of three-back-shaped snap close is provided with spring; The end face of described annular cover plate is distributed with the interface with described mounting groove up/down perforation; The bottom of described switch cap is extended with multiple dead bolt for inserting described interface respectively 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.
Preferred scheme is further: 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 plane, and these 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 adapted to pass through described cross-formed slits, and the bottom surface of this inner cup portion is suitable for when not having operating theater instruments to pass sealing described service aisle, prevents from being thus delivered to leaking of the perfusion gas of body cavity by plug valve, cylindrical shell.
During use, gas pressure in inner cup portion is on four arcuate grooves and extrude four angles of described cross-formed slits, make described cross-formed slits close when not having operating theater instruments to pass, and then sealing is when operating theater instruments is through described cross-formed slits, described service aisle realizes sealing by described black box.Underrun cross-formed slits and the cylindricality surgical device of this inner cup portion are slidably matched, and relative to the slit type structure of duck-beak type air shuttle valve, material deformation is little, and the resistance acted on accordingly in operating theater instruments reduces.
The degree of depth of each arcuate groove, increases from top to bottom gradually, to make the action effect of the pressure of four angles of the described cross-formed slits of extruding better, and then improves sealing effectiveness.
Described four arcuate groove centrosymmetry distribution, to make the pressure uniform of four angles of the described cross-formed slits of extruding.
Preferred scheme is further: the top of described inner cup portion has integrated flange, this flange is used for coordinating with the center through hole of the annular cover plate of described receiver and the sealed bottom of switch cap, coordinates with receiver upper-lower seal to make described switch cap.
Further preferred scheme is: 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 PC material of this rod body part end.Relative to the metal rod body part of employing, the present invention has the higher feature of with low cost, simple process, safety.
The present invention has positive effect relative 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 performing the operation, operating theater instruments is through after described black box, the radial edges of the sidewall of operating theater instruments and the sector notch of each elastic sealing element is wrapped up 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 lower circumference of the conical surface thinner wall section of described elastic sealing element is greater than 340 °, operating theater instruments then can be caused to insert difficulty, and the radial edges modification simultaneously causing the sector notch of described elastic sealing element is comparatively large, and then the sealing between the adjacent spring sealing member affecting lamination.If the lower circumference of the conical surface thinner wall section of described elastic sealing element is less than 300 °, then the parcel power of the radial edges of the sidewall of operating theater instruments and the sector notch of each elastic sealing element is more weak, and then the sealing affected 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 top of the present invention comprises: the switch cap that upper-lower seal coordinates and receiver; Relative to integrative-structure, the advantage of this Split type structure: be beneficial in operation process, changes in time according to practical situation or clears up switch cap; Meanwhile, in operation process, the bowl bodies of receiver can be cleared up.In addition, once one of switch cap and receiver are damaged, remaining parts can with another organize perforator with the use of, be 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 extrude four angles of described cross-formed slits, make described cross-formed slits close when not having operating theater instruments to pass, and then sealing is when operating theater instruments is through described cross-formed slits, described service aisle realizes sealing by described black box.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present invention and the technical advantage compared to existing product thereof, by applying the limiting examples of described principle, a possible embodiment is described by means of accompanying drawing below.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.
Detailed description of the invention
See Fig. 1, the perforator of the present embodiment, comprising: sleeve assembly 1, and the housing 2 at this sleeve assembly top comprises: the switch cap 2-1 that upper-lower seal coordinates and receiver 2-2; Described receiver 2-2 comprises: bowl bodies 2-20, be longitudinally connected to this bowl bodies 2-20 bottom center and with the cylindrical shell 2-21 of this bowl bodies 2-20 one, seal the annular cover plate 2-22 being fixed on this bowl bodies 2-20 top, and be located at the plug valve 4 on this bowl bodies 2-20 sidewall.This plug valve 4 is for allowing and stoping perfusion of fluid to be entered by cylindrical shell 2-21 or to discharge body cavity;
The central axis of switch cap 2-1 and receiver 2-2 is provided with the service aisle 10 for wearing operating theater instruments or puncturing lever; One black box 3 is located on the service aisle in switch cap 2-1, is provided with protector 6 above black box 3.
Described black box 3 comprises a pair 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: conically conical surface thinner wall section 3-21 and the ring part 3-22 be connected to bottom this conical surface thinner wall section 3-21; 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, to make the conical surface thinner wall section 3-21 of each elastic sealing element 3-2 form conical sealing member, and then the operating theater instruments through described black box 3 is coordinated with sealing assembly 3 air-tight movable; 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 performing the operation, operating theater instruments is through after described black box 3, the radial edges of the sidewall of operating theater instruments and the sector notch 3-20 of each elastic sealing element 3 is wrapped up 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 evenly distributed with the hole 3-23 on the pin for being located on a pair described stiffening ring 3-1, with fixing 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 just to the central authorities of described sector notch 3-20, with while the lower circumference of the conical surface thinner wall section of fixing each elastic sealing element 3-2, fix the position of the radial edges of the sector notch 3-20 of each elastic sealing element 3-2 as far as possible, the sector notch 3-20 guaranteeing on the adjacent spring sealing member 3-2 of lamination can stagger enough angles, avoid producing leakage path between adjacent sector notch 3-20, finally ensure that the sealing between adjacent spring sealing member 3-2.
The lateral wall of described annular cover plate 2-22 is evenly distributed with at least two for arranging the mounting groove 2-26 of three-back-shaped snap close 2-23; The medial wall of three-back-shaped snap close 2-23 is provided with spring 2-24; The end face of described annular cover plate 2-22 is 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 multiple dead bolt 2-11 for inserting described interface 2-25 respectively 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 the bottom surface 72 of this inner cup portion 71 is plane, and these bottom surface 72 central authorities are provided with cross-formed slits 73; 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 adapted to pass through described cross-formed slits 73, and the bottom surface 72 of this inner cup portion is suitable for when not having operating theater instruments to pass sealing described service aisle 10, 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 extrude four angles of described cross-formed slits 73, make described cross-formed slits 73 close when not having operating theater instruments to pass, and then sealing is when operating theater instruments is through described cross-formed slits 73, described service aisle realizes sealing by described black box 3.Elastic sealing element 3-2 and air shuttle valve 7 adopt rubber to make.
The top of described inner cup portion 71 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, coordinates with receiver 2-2 upper-lower seal to make described switch cap 2-1.
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 PC material of this rod body part end.Relative to the metal rod body part of employing, the present invention has the higher feature of with low cost, simple process, safety.
The bottom of the conical surface thinner wall section of elastic sealing element 3-2 has the circumference of 300 ° to 340 °, correspondingly, on described elastic sealing element 3-2, sector notch 3-20 is just less, the technique effect of its corresponding generation is: when performing the operation, operating theater instruments is through after described black box, and the radial edges of the sidewall of operating theater instruments and the sector notch 3-20 of each elastic sealing element 3-2 is wrapped up 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 lower circumference of the conical surface thinner wall section of described elastic sealing element 3-2 is greater than 340 °, operating theater instruments then can be caused to insert difficulty, the radial edges modification simultaneously causing the sector notch 3-20 of described elastic sealing element 3-2 is comparatively large, and then the sealing between the adjacent spring sealing member 3-2 affecting lamination.If the lower circumference of the conical surface thinner wall section of described elastic sealing element 3-2 is less than 300 °, then the parcel power of the radial edges of the sidewall of operating theater instruments and the sector notch 3-20 of each elastic sealing element 3-2 is more weak, and then the sealing affected 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.
Relative to integrative-structure, housing 22 of the present invention adopts Split type structure, is beneficial in operation process, changes in time or clear up switch cap 2-1 according to practical situation; Meanwhile, in operation process, the bowl bodies 2-20 of receiver 2-2 can be cleared up.In addition, once one of switch cap 2-1 and receiver 2-2 are damaged, remaining parts can with another organize perforator with the use of, be 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 the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (8)
1. a perforator, comprises sleeve assembly, the black box be located in the housing at this sleeve assembly top, and it comprises a pair stiffening ring, and is multiplely located at this to the elastic sealing element between ring; It is characterized in that:
The housing at described sleeve assembly top comprises: the switch cap that upper-lower seal coordinates and receiver;
Described receiver comprises: bowl bodies, be longitudinally connected to this bowl bodies bottom center and with the cylindrical shell of this bowl bodies one, seal the annular cover plate being fixed on this bowl bodies top, and be located at the plug valve on this bowl bodies sidewall; Plug valve is used for allowing and stop perfusion of fluid entered by cylindrical shell or discharge body cavity;
The lateral wall of described annular cover plate is evenly distributed with at least two for arranging the mounting groove of three-back-shaped snap close; The medial wall of three-back-shaped snap close is provided with spring;
The end face of described annular cover plate is distributed with the interface with described mounting groove up/down perforation;
The bottom of described switch cap is extended with multiple dead bolt for inserting described interface respectively 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.
2. perforator according to claim 1, is characterized in that: each elastic sealing element comprises: conically conical surface thinner wall section and the ring part be connected to bottom this conical surface thinner wall section; 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, to make the conical surface thinner wall section of each elastic sealing element form conical sealing member, and then make the operating theater instruments through described black box and sealing component sealing clearance fit; 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 just to the central authorities of described sector notch.
3. perforator according to claim 2, is characterized in that: described black box is located on the service aisle in switch cap.
4. the perforator according to claim 1 or 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 plane, and these 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 adapted to pass through described cross-formed slits, and the bottom surface of this inner cup portion is suitable for when not having operating theater instruments to pass sealing described service aisle, prevents the leakage of the perfusion gas being delivered to body cavity by plug valve, cylindrical shell thus.
5. perforator according to claim 3, it is characterized in that: the top of described inner cup portion has integrated flange, this flange is used for coordinating with the center through hole of the annular cover plate of described receiver and the sealed bottom of switch cap, coordinates with receiver upper-lower seal to make described switch cap.
6. perforator according to claim 1, is characterized in that: 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 PC material of this rod body part end.
7. perforator according to claim 3, is characterized in that: the degree of depth of each arcuate groove, increases from top to bottom gradually.
8. perforator according to claim 3, is characterized in that: described four arcuate groove centrosymmetry distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206043.XA CN104873251B (en) | 2013-05-24 | 2013-05-24 | Operation puncture outfit |
Applications Claiming Priority (2)
| 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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310202250.9A Division CN103505268B (en) | 2013-05-24 | 2013-05-24 | Puncture device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104873251A true CN104873251A (en) | 2015-09-02 |
| CN104873251B CN104873251B (en) | 2017-09-29 |
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| 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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310202250.9A Active CN103505268B (en) | 2013-05-24 | 2013-05-24 | Puncture device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105997205A (en) * | 2016-08-02 | 2016-10-12 | 成都五义医疗科技有限公司 | Puncture outfit sealing membrane comprising forward and reverse grooves, and assembly |
| 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 |
| CN107997811A (en) * | 2016-10-31 | 2018-05-08 | 广州迪克医疗器械有限公司 | Sealing ring screening glass, end seal assembly and puncture outfit for puncture outfit |
| CN108938061A (en) * | 2018-08-17 | 2018-12-07 | 联合微创医疗器械（深圳）有限公司 | A kind of puncture outfit |
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| CN105615954B (en) * | 2014-11-08 | 2018-10-12 | 广州迪克医疗器械有限公司 | Puncture outfit containing silencing means |
| CN105662545B (en) * | 2014-11-16 | 2019-04-26 | 广州迪克医疗器械有限公司 | Radial seal assembly, end seal and puncture outfit |
| 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 |
| CN105982704B (en) * | 2016-07-05 | 2020-10-09 | 江苏风和医疗器材股份有限公司 | Seal cover and puncture outfit with same |
| CN106137340B (en) * | 2016-08-02 | 2017-08-25 | 成都五义医疗科技有限公司 | A kind of puncture outfit diaphragm seal containing groove structure |
| 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 |
| CN111920494B (en) * | 2020-09-01 | 2024-08-02 | 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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| CN1689531A (en) * | 2003-09-30 | 2005-11-02 | 伊西康内外科公司 | Woven protector for trocal seal assembly |
| US20110257598A1 (en) * | 2007-12-07 | 2011-10-20 | Ethicon Endo-Surgery, Inc. | Trocar seal with reduced contact area |
| CN101940831A (en) * | 2009-07-06 | 2011-01-12 | 谢春雷 | Connecting device for golf trolleys |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105997205A (en) * | 2016-08-02 | 2016-10-12 | 成都五义医疗科技有限公司 | Puncture outfit sealing membrane comprising forward and reverse grooves, and assembly |
| 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 |
| US10849655B2 (en) | 2016-08-02 | 2020-12-01 | 5Rmed Technology (Chengdu) Co., Ltd. | Trocar seal membrane and assembly comprising normal and reverse concave channels |
| CN107997811A (en) * | 2016-10-31 | 2018-05-08 | 广州迪克医疗器械有限公司 | Sealing ring screening glass, end seal assembly and puncture outfit for puncture outfit |
| 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 |
| CN108938061A (en) * | 2018-08-17 | 2018-12-07 | 联合微创医疗器械（深圳）有限公司 | A kind of puncture outfit |
| CN108938061B (en) * | 2018-08-17 | 2024-05-07 | 联合微创医疗器械（深圳）有限公司 | Puncture outfit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103505268A (en) | 2014-01-15 |
| CN103505268B (en) | 2015-05-13 |
| CN104873251B (en) | 2017-09-29 |
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