CN220967373U - Buckling type puncture outfit - Google Patents
Buckling type puncture outfit Download PDFInfo
- Publication number
- CN220967373U CN220967373U CN202321915480.5U CN202321915480U CN220967373U CN 220967373 U CN220967373 U CN 220967373U CN 202321915480 U CN202321915480 U CN 202321915480U CN 220967373 U CN220967373 U CN 220967373U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- puncture needle
- outer ring
- puncture
- holding part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000000926 separation method Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 description 8
- 239000012528 membrane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a buckling type puncture outfit, which belongs to the technical field of medical appliances and comprises a sleeve assembly and a puncture needle assembly; the sleeve assembly comprises a sleeve and a sealing cap arranged at the top end of the sleeve, a clamping groove is formed in the outer ring of the sealing cap, an inverted conical sealing film is arranged in the sealing cap, and a through hole is formed in the center of the sealing film; the puncture needle assembly comprises a puncture needle and a buckling piece arranged at the top of the puncture needle, the buckling piece comprises a holding part, a plurality of buckling plates and a plurality of reset springs, the central positions of the buckling plates are hinged to the holding part, the reset springs are in one-to-one correspondence with the buckling plates, one ends of the reset springs are in contact with the holding part, the other ends of the reset springs are in contact with the upper parts of the corresponding buckling plates, buckles are arranged at the bottoms of the buckling plates, and are buckled at clamping grooves of the outer ring of the sealing cap, so that the sleeve assembly and the puncture needle assembly can be detachably connected. The sleeve component and the puncture needle component are simple in connection structure and convenient to assemble and disassemble, and the surgical efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a buckling type puncture outfit.
Background
The puncture outfit is an important basic instrument in endoscopic surgery, the performance of which directly influences the smoothness of the surgery, and is also a matched instrument of an intra-cavity cutting anastomat.
The puncture outfit comprises a puncture needle assembly and a sleeve assembly, and the puncture outfit disclosed in Chinese patent with the application publication number of CN104188713A comprises a puncture sleeve and a puncture rod, wherein the puncture rod is detachably arranged in the puncture sleeve, and the guide part extends out of the puncture sleeve. One end of the puncture cannula is provided with a sealing element, the puncture device is a channel which is connected outside and in the cavity, various instruments with different calibers are possible to enter and exit in the operation process, and the outer wall of the puncture cannula is also provided with a pawl. In the operation process, the puncture rod is inserted into the puncture sleeve, the puncture sleeve is inserted into a human tissue member by means of the puncture rod, then the puncture rod is separated from the puncture sleeve, the puncture rod is taken out, and only the puncture sleeve is left on the tissue, and the puncture sleeve is used as a channel for operation.
However, the existing connecting structure between the sleeve and the puncture rod is complex, the separation process is complex, and the operation efficiency is affected; meanwhile, the puncture rod and the sleeve are disposable, a large number of puncture rods and sleeves are generally stored in hospitals for use at any time, and the puncture rods and the sleeves need to be stored in a large area.
Disclosure of utility model
The utility model aims to provide a buckling type puncture outfit, which aims to solve the problems of complex connection structure of a puncture needle and a sleeve of the existing puncture outfit, low separation efficiency, large storage occupation space and the like.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model relates to a buckling type puncture outfit, which comprises a sleeve assembly and a puncture needle assembly; the sleeve assembly comprises a sleeve and a sealing cap arranged at the top end of the sleeve, a clamping groove is formed in the outer ring of the sealing cap, an inverted conical sealing film is arranged in the sealing cap, and a through hole is formed in the center of the sealing film; the puncture needle assembly comprises a puncture needle and a buckling piece arranged at the top of the puncture needle, the buckling piece comprises a holding part, a plurality of buckling plates and a plurality of reset springs, the central positions of the buckling plates are hinged with the holding part, the reset springs are in one-to-one correspondence with the buckling plates, one ends of the reset springs are in contact with the holding part, the other ends of the reset springs are in contact with the upper parts of the corresponding buckling plates, and buckles are arranged at the bottoms of the buckling plates; the puncture needle penetrates into the sleeve from the through hole in the center of the sealing film and penetrates out of the bottom of the sleeve, and the buckle is buckled at the clamping groove of the outer ring of the sealing cap, so that the sleeve component and the puncture needle component are detachably connected.
Preferably, the outer ring of the holding part is provided with a groove, the position of the outer ring of the holding part corresponding to the groove and the position of the inner ring of the buckle corresponding to the groove are respectively provided with a limit groove, the reset spring is arranged in the groove, and two ends of the reset spring are respectively clamped in the limit grooves of the outer ring of the holding part and the limit groove of the inner ring of the buckle.
Preferably, the pinch plates are uniformly arranged on the circumference of the holding part according to the circumference; the clamping grooves of the outer ring of the sealing cap are annular clamping grooves or arc-shaped clamping grooves which are discontinuous and correspond to the clamping pieces one by one.
Preferably, the outer ring of the sleeve is provided with a plurality of inverted teeth, and the inverted teeth are continuously arranged on the outer ring of the sleeve or are arranged on the outer ring of the sleeve at equal intervals. The arrangement of the inverted teeth can improve the connection stability of the sleeve and human tissues, and effectively prevent the sleeve from moving misplacement, falling off and the like in the operation process.
Preferably, the bottom of the puncture needle is provided with a tissue separation sheet, the tip of the bottom of the puncture needle is partially surrounded by the tissue separation sheet, and the taper of the tissue separation sheet is larger than that of the tip of the bottom of the puncture needle. When the puncture needle is inserted into human tissue, the tissue separation sheet separates the human tissue near the incision, so that the puncture needle is convenient to insert.
Preferably, the middle part of the puncture needle is provided with a bulge; the sleeve comprises an inner sleeve and an outer sleeve, and the inner sleeve is in sliding connection with the outer sleeve; the diameter of the outer contour of the bulge is larger than the outer diameter of the inner sleeve and smaller than the inner diameter of the inner sleeve. In the storage process, the inner sleeve is positioned inside the outer sleeve, and in the use process, the inner tube is ejected out through the bulge in the middle of the puncture needle, so that the length of the sleeve in use is ensured, and the occupied area of the sleeve in storage is reduced.
Preferably, the inner sleeve and the outer sleeve are flexible structures, and the inner ring of the inner sleeve is clamped with the outer ring of the outer sleeve.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
1. The buckling type puncture outfit comprises a sleeve, a sealing cap arranged at the top end of the sleeve, a buckling piece arranged at the top of a puncture needle, and a buckle plate of the buckling piece is buckled at the position of the clamping groove after the puncture needle is inserted into the sleeve, so that the sleeve and the puncture needle are assembled into a whole; after the puncture outfit inserts human tissue, pressing the upper half of buckle makes the buckle take place to rotate relative sealed cap, makes buckle and draw-in groove separation in buckle bottom, can separate sleeve pipe and pjncture needle, takes out the pjncture needle, only leaves the sleeve pipe and carries out the operation in the tissue, and this structure makes the separation of sleeve pipe and pjncture needle more simple and convenient, easy operation improves the efficiency of operation.
2. The utility model relates to a sleeve of a buckling type puncture outfit, which comprises an inner sleeve and an outer sleeve, wherein the inner sleeve is in sliding connection with the outer sleeve; the structure enables the sleeve to form a telescopic structure, so that the space is reduced when the sleeve is stored, and the storage is convenient.
Drawings
FIG. 1 is an exploded view of a snap-fit type puncture instrument according to embodiment 1;
Fig. 2 is an exploded view of the snap-fit puncture instrument according to embodiment 2.
Reference numerals: 1-cannula assembly, 11-cannula, 111-inner sleeve, 112-outer sleeve, 12-sealing cap, 13-clamping groove, 14-sealing membrane, 15-inverted tooth, 2-puncture needle assembly, 21-puncture needle, 211-protrusion, 22-fastener, 23-grip, 24-buckle, 25-return spring, 26-buckle, 27-groove, 28-limit groove, 29-tissue separation sheet.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1, the snap-fit type puncture outfit according to the present embodiment includes a cannula assembly 1 and a puncture needle 21 assembly 2.
The sleeve assembly 1 comprises a sleeve 11 and a sealing cap 12 arranged at the top end of the sleeve 11, a clamping groove 13 is formed in the outer ring of the sealing cap 12, the clamping groove 13 is an annular clamping groove 13 or a discontinuous arc clamping groove 13, an inverted conical sealing film 14 is arranged in the sealing cap 12, and a through hole is formed in the center of the sealing film 14; the outer ring of the sleeve 11 is provided with a plurality of inverted teeth 15, and the inverted teeth 15 are continuously arranged on the outer ring of the sleeve 11, so that the connection stability of the sleeve 11 and human tissues is improved, and the phenomena of dislocation, falling and the like of the sleeve 11 in the operation process are effectively prevented.
The puncture needle 21 assembly 2 comprises a puncture needle 21 and a buckling piece 22 arranged at the top of the puncture needle 21, wherein the buckling piece 22 comprises a holding part 23, a plurality of buckling plates 24 and a plurality of reset springs 25, grooves 27 are formed in the outer ring of the holding part 23, the buckling plates 24 are uniformly arranged in the circumference of the holding part 23 according to the circumference, the central positions of the buckling plates 24 are hinged with the holding part 23, the reset springs 25 are arranged in the grooves 27 and are in one-to-one correspondence with the buckling plates 24, one ends of the reset springs 25 are in contact with the holding part 23, the other ends of the reset springs 25 are in contact with the upper parts of the corresponding buckling plates 24, limiting grooves 28 are formed in the positions of the outer ring of the holding part 23, corresponding to the grooves 27, and the positions of the inner ring of the buckling plates 24, corresponding to the grooves 27, respectively, and two ends of the reset springs 25 are clamped in the limiting grooves 28 of the outer ring of the holding part 23 and the limiting grooves 28 of the inner ring of the buckling plates 24 respectively, and buckles 26 are arranged at the bottoms of the buckling plates 24 respectively; the bottom of the puncture needle 21 is provided with a tissue separation sheet 29, the tip of the bottom of the puncture needle 21 is partially surrounded by the tissue separation sheet 29, the taper of the tissue separation sheet 29 is larger than that of the tip of the bottom of the puncture needle 21, and the tissue separation sheet 29 is used for separating human tissues near the incision when the puncture needle 21 is inserted into the human tissues, so that the puncture needle 21 is convenient to insert.
Before the puncture outfit is inserted into human tissue, the puncture needle 21 is penetrated into the sleeve 11 from the through hole in the center of the sealing membrane 14, the puncture needle is penetrated out from the bottom of the sleeve 11, the buckle 26 is buckled at the clamping groove 13 of the outer ring of the sealing cap 12, the puncture needle 21 and the sleeve 11 are assembled into a whole, the holding part 23 is held by hand, the puncture outfit is rotated and pressed, the tip at the bottom of the puncture needle 21 is used for being inserted into human tissue, and the sleeve assembly 1 is substituted into the human tissue; at this time, the upper half of the buckle plate 24 is pressed, so that the buckle plate 24 rotates relative to the holding part 23 and presses the return spring 25, the buckle 26 at the bottom of the buckle plate 24 is separated from the clamping groove 13 of the outer ring of the sealing cap 12, and the puncture needle 21 assembly 2 is taken out of the sleeve assembly 1 as a whole, and only the sleeve assembly 1 is left in human tissue, and the sleeve assembly 1 is used as an operation channel.
Example 2
Referring to fig. 1, the snap-fit type puncture outfit according to the present embodiment includes a cannula assembly 1 and a puncture needle 21 assembly 2.
The sleeve assembly 1 comprises a sleeve 11 and a sealing cap 12 arranged at the top end of the sleeve 11, wherein a clamping groove 13 is formed in the outer ring of the sealing cap 12, the clamping groove 13 is an annular clamping groove 13 or a discontinuous arc clamping groove 13, an inverted conical sealing film 14 is arranged in the sealing cap 12, and a through hole is formed in the center of the sealing film 14; the outer ring of the sleeve 11 is provided with a plurality of inverted teeth 15, and the inverted teeth 15 are arranged on the outer ring of the sleeve 11 at equal intervals, so that the connection stability of the sleeve 11 and human tissues is improved, and the phenomena of dislocation, falling and the like of the sleeve 11 in the operation process are effectively prevented.
The puncture needle 21 assembly 2 comprises a puncture needle 21 and a buckling piece 22 arranged at the top of the puncture needle 21, wherein the buckling piece 22 comprises a holding part 23, a plurality of buckling plates 24 and a plurality of reset springs 25, grooves 27 are formed in the outer ring of the holding part 23, the buckling plates 24 are uniformly arranged in the circumferential direction of the holding part 23 according to the circumference, the center positions of the buckling plates 24 are hinged with the holding part 23, the reset springs 25 are arranged in the grooves 27 and are in one-to-one correspondence with the buckling plates 24, one ends of the reset springs 25 are in contact with the holding part 23, the other ends of the reset springs 25 are in contact with the upper parts of the corresponding buckling plates 24, limiting grooves 28 are formed in the positions of the outer ring of the holding part 23, corresponding to the grooves 27, and the positions of the inner ring of the buckling plates 24, corresponding to the grooves 27, respectively, two ends of the reset springs 25 are clamped in the limiting grooves 28 of the outer ring of the holding part 23 and the limiting grooves 28 of the inner ring of the buckling plates 24 respectively, and buckles 26 are arranged at the bottoms of the buckling plates 24 respectively.
In this embodiment, the middle part of the puncture needle 21 is provided with a protrusion 221, the sleeve 11 comprises an inner sleeve 111 and an outer sleeve 112, the inner sleeve 111 and the outer sleeve 112 are of flexible structures, the inner sleeve 111 is slidably connected with the outer sleeve 112, the inner ring of the inner sleeve 111 is clamped with the outer ring of the outer sleeve 112, the top of the inner sleeve 111 and the bottom of the outer sleeve 112 are provided with engaging parts, and after the inner sleeve 111 completely extends out of the outer sleeve 112, the engaging parts are mutually spliced to form a continuous sealing sleeve; the outer profile of the protrusion 221 has a diameter greater than the outer diameter of the inner sleeve 111 and less than the inner diameter of the inner sleeve 111. During storage, the inner sleeve 111 is positioned inside the outer sleeve 112, and during use, the inner tube is ejected out through the protrusion 221 in the middle of the puncture needle 21, so that the length of the sleeve 11 during use is ensured, and the occupied area during storage is reduced.
Before the puncture outfit is inserted into human tissue, the puncture needle 21 is penetrated into the sleeve 11 from the through hole in the center of the sealing film 14, in the inserting process, the bulge 221 in the middle of the puncture needle 21 is contacted with the top of the inner tube, the puncture needle 21 is continuously inserted, the outer sleeve 112 deforms after receiving the acting force of the inner sleeve 111, the clamping position of the inner ring of the inner sleeve 111 and the outer ring of the outer sleeve 112 is invalid, the sleeve 11 is further extended, the puncture needle 21 finally penetrates out from the bottom of the sleeve 11, the clamping buckle 26 is buckled at the clamping groove 13 of the outer ring of the sealing cap 12, the puncture needle 21 and the sleeve 11 are assembled into a whole, the holding part 23 is held by hand, the puncture outfit is rotated and pressed, the human tissue is inserted by the tip of the bottom of the puncture needle 21, and the sleeve assembly 1 is substituted into the human tissue; at this time, the upper half of the buckle plate 24 is pressed, so that the buckle plate 24 rotates relative to the holding part 23 and presses the return spring 25, the buckle 26 at the bottom of the buckle plate 24 is separated from the clamping groove 13 of the outer ring of the sealing cap 12, and the puncture needle 21 assembly 2 is taken out of the sleeve assembly 1 as a whole, and only the sleeve assembly 1 is left in human tissue, and the sleeve assembly 1 is used as an operation channel.
The present utility model has been described in detail with reference to the embodiments, but the description is only the preferred embodiments of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model should be considered as falling within the scope of the present utility model.
Claims (7)
1. A snap-fit puncture outfit, characterized in that: it comprises a sleeve assembly and a puncture needle assembly; the sleeve assembly comprises a sleeve and a sealing cap arranged at the top end of the sleeve, a clamping groove is formed in the outer ring of the sealing cap, an inverted conical sealing film is arranged in the sealing cap, and a through hole is formed in the center of the sealing film; the puncture needle assembly comprises a puncture needle and a buckling piece arranged at the top of the puncture needle, the buckling piece comprises a holding part, a plurality of buckling plates and a plurality of reset springs, the central positions of the buckling plates are hinged with the holding part, the reset springs are in one-to-one correspondence with the buckling plates, one ends of the reset springs are in contact with the holding part, the other ends of the reset springs are in contact with the upper parts of the corresponding buckling plates, and buckles are arranged at the bottoms of the buckling plates; the puncture needle penetrates into the sleeve from the through hole in the center of the sealing film and penetrates out of the bottom of the sleeve, and the buckle is buckled at the clamping groove of the outer ring of the sealing cap, so that the sleeve component and the puncture needle component are detachably connected.
2. The snap-fit puncture outfit according to claim 1, wherein: the outer ring of the holding part is provided with a groove, the position of the outer ring of the holding part corresponding to the groove and the position of the inner ring of the buckle corresponding to the groove are respectively provided with a limit groove, the reset spring is arranged in the groove, and two ends of the reset spring are respectively clamped in the limit grooves of the outer ring of the holding part and the limit groove of the inner ring of the buckle.
3. The snap-fit puncture outfit according to claim 1, wherein: the pinch plates are uniformly arranged on the circumference of the holding part according to the circumference; the clamping grooves of the outer ring of the sealing cap are annular clamping grooves or arc-shaped clamping grooves which are discontinuous and correspond to the clamping pieces one by one.
4. The snap-fit puncture outfit according to claim 1, wherein: the outer ring of the sleeve is provided with a plurality of inverted teeth which are continuously arranged on the outer ring of the sleeve or are arranged on the outer ring of the sleeve at equal intervals.
5. The snap-fit puncture outfit according to claim 1, wherein: the bottom of the puncture needle is provided with a tissue separation sheet, the tip end of the bottom of the puncture needle is partially surrounded by the tissue separation sheet, and the taper of the tissue separation sheet is larger than that of the tip end of the bottom of the puncture needle.
6. The snap-fit puncture outfit according to claim 1, wherein: the middle part of the puncture needle is provided with a bulge; the sleeve comprises an inner sleeve and an outer sleeve, and the inner sleeve is in sliding connection with the outer sleeve; the diameter of the outer contour of the bulge is larger than the outer diameter of the inner sleeve and smaller than the inner diameter of the inner sleeve.
7. The snap-fit puncture outfit of claim 6, wherein: the inner sleeve and the outer sleeve are of flexible structures, and the inner ring of the inner sleeve is clamped with the outer ring of the outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321915480.5U CN220967373U (en) | 2023-07-20 | 2023-07-20 | Buckling type puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321915480.5U CN220967373U (en) | 2023-07-20 | 2023-07-20 | Buckling type puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220967373U true CN220967373U (en) | 2024-05-17 |
Family
ID=91059172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321915480.5U Active CN220967373U (en) | 2023-07-20 | 2023-07-20 | Buckling type puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220967373U (en) |
-
2023
- 2023-07-20 CN CN202321915480.5U patent/CN220967373U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2049044C (en) | A catheter introduction syringe | |
| NO179734B (en) | Holds for a hypodermic syringe | |
| EP2752161A1 (en) | Guiding device | |
| JPH0230694B2 (en) | ||
| CN220967373U (en) | Buckling type puncture outfit | |
| CN216090714U (en) | Puncture assembly | |
| CN115068741A (en) | Anti-reflux anti-needling retention needle | |
| CN211749662U (en) | Internal jugular vein indwelling blood sample collecting device for tree shrew | |
| CN113509226A (en) | Reduce interior outer wall frictional force's anastomat pipeline for laparoscopic surgery | |
| JP2767648B2 (en) | Adapters and blood collection equipment | |
| CN210228277U (en) | Power-assisted co-rotating abdominal wall puncture double cannula | |
| CN211560230U (en) | Cavity way closing device under scope | |
| CN209967245U (en) | Venous catheter device capable of being plugged | |
| CN217772394U (en) | Step-by-step expansion sleeve assembly for spinal minimally invasive surgery | |
| CN108969067B (en) | Puncture outfit sealing valve assembly | |
| CN208822799U (en) | Vacuum blood collector | |
| CN219764275U (en) | Anti-reflux glycerin enema auxiliary device | |
| CN220860110U (en) | Fixing device for metal surgical suture | |
| CN110974257A (en) | Internal jugular vein indwelling blood sample collecting device and method for tree shrews | |
| RU183277U1 (en) | Device for collecting biological fluid from the body | |
| CN211749767U (en) | Biopsy forceps | |
| CN210931588U (en) | Disposable minimally invasive fascia closer | |
| CN221205520U (en) | Visual tissue catheter expander | |
| CN216169126U (en) | Medical drainage appliance for subcutaneous effusion negative pressure drainage | |
| CN217960257U (en) | Tearable puncture kit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |