CN211271043U

CN211271043U - Disposable puncture outfit

Info

Publication number: CN211271043U
Application number: CN201922186321.6U
Authority: CN
Inventors: 邵青青; 冯瑞茹; 胡绍显; 李亚军
Original assignee: Nanjing Dongwan Biotechnology Co ltd
Current assignee: Nanjing Dongwan Biotechnology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-18
Anticipated expiration: 2029-12-09

Abstract

The utility model provides a disposable puncture outfit, which comprises a puncture vertebra component, a puncture sleeve and a connecting component, wherein one end of the puncture vertebra component penetrates out of the puncture sleeve, and the other end of the puncture vertebra component is connected with the connecting component; the puncture vertebra subassembly includes the puncture awl that is the cylinder type, and the one end of puncture vertebra is equipped with the cone cap, and the other end of puncture vertebra is equipped with the cone head, is equipped with the round hole on the cone cap. The utility model has the advantages that: the utility model discloses it is good to have locking device and leakproofness, simple structure, and the leakproofness is good, improves leakproofness and stability.

Description

Disposable puncture outfit

Technical Field

The utility model relates to a puncture ware field, more specifically say and relate to a disposable puncture ware.

Background

The puncture outfit is used for a specialist to puncture the abdominal cavity in a laparoscopic surgery, convey gas into the abdominal cavity and establish a passage for an endoscope and a surgical instrument to enter the abdominal cavity from the outside, and is simply to establish the passage and maintain pneumoperitoneum. The disposable puncture outfit can keep the sharpness of the puncture outfit, the steps of sterilization, disassembly and assembly are omitted, the invisible cost is reduced, the possibility of cross contamination is avoided, and compared with the reusable puncture outfit, the disposable puncture outfit has many advantages because no converter is arranged.

The disposable puncture outfit appearing in the market at present has various structures, and the main technical points of the disposable puncture outfit are whether the pneumoperitoneum maintenance effect is good, whether the puncture process is smooth, whether a formed channel is smooth and the like, which are determined by whether the structure of the puncture outfit is reasonable or not.

Disclosure of Invention

The utility model overcomes the defects in the prior art and provides a disposable puncture outfit.

The purpose of the utility model is realized by the following technical scheme.

The disposable puncture outfit comprises a puncture vertebral component, a puncture sleeve and a connecting component, wherein one end of the puncture vertebral component penetrates out of the puncture sleeve, and the other end of the puncture vertebral component is connected with the connecting component;

the puncture vertebra component comprises a cylindrical puncture cone, one end of the puncture cone is provided with a cone cap, the other end of the puncture cone is provided with a cone head, and the cone cap is provided with a round hole;

the connecting assembly comprises a connecting ring, a movable sealing ring and a sealing device, the connecting ring is in a circular ring shape, one surface of the connecting ring is provided with an annular groove, the edge opening edge is used for being inserted into the puncture cannula, the groove wall of the annular groove is provided with a female thread matched with the male thread of the puncture cannula, a gasket is arranged at the bottom of the annular groove, a plurality of connecting columns are arranged on the other side of the connecting ring, the connecting column is matched with the round hole, the movable sealing ring is movably sleeved on the puncture vertebra, the width of the movable sealing ring is equal to the width of the inner cavity of the puncture cannula, used for fixing the puncture cone, the sealing device comprises a cylindrical block arranged on the cone cap and a rubber ring arranged on the bottom surface of the cylindrical block, when the connecting column is inserted into the round hole, the connecting ring can extrude the rubber ring;

the puncture sleeve is of a hollow tubular structure, the puncture cone assembly is inserted into the puncture sleeve, the puncture sleeve is far away from the side wall of one end of the conical head, an air injection valve and an exhaust pipe assembly are communicated with the side wall of the conical head, the puncture sleeve is close to one end of the conical head, and a locking device is arranged at one end of the conical head to prevent the conical head and the puncture sleeve from shaking.

Further, locking device includes tapering cutting ferrule, tapering clamp cover, fixed cover and lock sleeve, the contact surface of tapering clamping ferrule and tapering cutting ferrule is the tapering face, fixed cover with lock sleeve threaded connection can follow the axis motion, the fixed messenger that is equipped with of lock sleeve the portion that bulldozes of tapering clamp cover reducing, the great one end axial extension of diameter of tapering clamp cover forms the seal cover, be provided with the sealing washer on the seal cover, the sealing washer is including setting up in the inner seal circle and the outer seal circle of seal cover inner wall and outer wall, the outside of lock sleeve is equipped with the sheath.

Furthermore, the inner wall of the rear end of the fixing sleeve protrudes inwards to form a limiting ring for preventing the sealing sleeve from sliding forwards, grooves for fixing the sealing sleeve in the circumferential direction are axially formed in the inner wall of the limiting ring, the grooves are uniformly formed in the circumferential direction, and the front end of the sealing sleeve axially extends to form a plurality of protruding blocks matched with the grooves.

Furthermore, at least three through grooves are axially formed in the taper clamping sleeve, and the through grooves are uniformly formed in the circumferential direction; the connecting end of the taper jacket is recessed inwards in the radial direction to form an annular groove for reducing the reducing resistance of the taper jacket.

Furthermore, the inner wall of the taper jacket is provided with a plurality of annular inner grooves for increasing the clamping pressure of the inner wall of the jacket, and the annular inner grooves are axially arranged.

Furthermore, a blood discharging groove is arranged on the conical head.

Further, an exhaust switch is arranged on the exhaust pipe assembly.

The utility model has the advantages that:

a locking device component is additionally arranged for fixing the puncture cone component and the puncture cannula and avoiding relative displacement between the puncture cone component and the cannula;

the connecting ring can extrude the rubber ring, so that the gas entering from the gas injection valve is tightly sealed by the connecting ring, and can only be transmitted into the abdomen and the thorax of the human body from the gap between the puncture sleeve and the puncture cone, thereby being beneficial to improving the structure, greatly improving the sealing performance of the puncture outfit, preventing the gas in the abdomen from leaking and being beneficial to maintaining the pneumoperitoneum;

the puncture awl head is provided with a blood discharging groove, so that blood can flow out conveniently when a human body is punctured;

the utility model discloses it is good to have locking device and leakproofness, simple structure, and the leakproofness is good, improves leakproofness and stability.

Drawings

FIG. 1 is a schematic view of the structure of the puncture vertebral component and the connecting component of the present invention;

FIG. 2 is a schematic structural view of the puncture cannula;

FIG. 3 is a schematic view of the locking device in combination with the penetrating vertebral assembly;

FIG. 4 is a schematic structural view of a tapered ferrule;

FIG. 5 is an exploded view of the locking device;

in the figure:

1. puncturing the vertebra; 2. a movable sealing ring; 3. a connecting ring; 4. an annular groove; 5. connecting columns; 6. a circular hole;

7. a conical cap; 8. a cylindrical block; 9. a rubber ring; 10. a bleeding groove; 11. puncturing a cannula; 12. an air injection valve;

13. an exhaust pipe assembly; 14. a locking device; 15. fixing a sleeve; 16. sealing sleeves; 17. an outer sealing ring;

18. a taper jacket; 19. a locking sleeve; 20. a sheath; 21. a conical head; 22. a compression washer;

23. a taper cutting sleeve; 24. a limiting ring; 51. a through groove; 52. an annular groove; 53. an annular inner groove;

31. and (4) a bump.

Detailed Description

The technical solution of the present invention is further explained by the following specific examples.

Example 1

The disposable puncture outfit shown in fig. 1 and 2 comprises a puncture vertebral component, a puncture cannula 11 and a connecting component, wherein one end of the puncture vertebral component penetrates out of the puncture cannula 11, and the other end of the puncture vertebral component is connected with the connecting component;

the puncture vertebra component comprises a cylindrical puncture vertebra 1, one end of the puncture vertebra 1 is provided with a conical cap 7, the other end of the puncture vertebra 1 is provided with a conical head 21, the conical cap 7 is provided with a round hole 6, and the conical head 21 is provided with a blood discharging groove 10;

the connecting assembly comprises a connecting ring 3, a movable sealing ring 2 and a sealing device, the connecting ring 3 is in a circular ring shape, one surface of the connecting ring 3 is provided with an annular groove 4 for inserting the edge of the puncture cannula 11, the groove wall of the annular groove 4 is provided with a female thread matched with the male thread of the puncture cannula 11, the groove bottom of the annular groove 4 is provided with a gasket, the other surface of the connecting ring 3 is provided with a plurality of connecting columns 5, the connecting columns 5 are matched with round holes 6, the movable sealing ring 2 is movably sleeved on the puncture vertebra 1, the width of the movable sealing ring 2 is equal to the width of the inner cavity of the puncture cannula 11 and used for fixing the puncture cone 1, the sealing device comprises a cylindrical block 8 arranged on a cone cap 7 and a rubber ring 9 arranged on the bottom surface of the cylindrical block 8, and when the connecting columns are inserted;

puncture sleeve pipe 11 is hollow tubular structure, puncture awl subassembly inserts in puncture sleeve pipe 11, and it has gas injection valve 12 and blast pipe subassembly 13 to communicate on the lateral wall of puncture sleeve pipe 11 keeping away from conical head 21 one end, is provided with an exhaust switch on the blast pipe subassembly 13, and the one end that puncture sleeve pipe 11 is close to conical head 21 is equipped with locking device 14 in order to avoid conical head 21 and puncture sleeve pipe 11 to take place to rock.

Example 2

The disposable puncture outfit shown in fig. 1-5 comprises a puncture vertebral component, a puncture cannula 11 and a connecting component, wherein one end of the puncture vertebral component penetrates out of the puncture cannula 11, and the other end of the puncture vertebral component is connected with the connecting component;

the connecting assembly comprises a connecting ring 3, a movable sealing ring 2 and a sealing device, the connecting ring 3 is in a ring shape, one side of the connecting ring 3 is provided with an annular groove 4 for inserting the edge of the puncture casing 11, the groove wall of the annular groove 4 is provided with a female thread matched with the male thread of the puncture casing 11, the groove bottom of the annular groove 4 is provided with a gasket, the female thread and the gasket are the prior art for realizing the connection of two objects through threads, no improvement point exists, the other side of the connecting ring 3 is provided with a plurality of connecting columns 5, the connecting columns 5 are matched with the round hole 6, the movable sealing ring 2 is movably sleeved on the puncture cone 1, the width of the movable sealing ring 2 is equal to the width of the inner cavity of the puncture casing 11 and is used for fixing the puncture cone 1, the sealing device comprises a cylindrical block 8 arranged on a cone cap 7 and a rubber ring 9 arranged on the, the connecting ring 3 can form extrusion to the rubber ring 9;

Locking device 14 includes tapering cutting ferrule 23, tapering clamp sleeve 18, fixed cover 15 and lock sleeve 19, and puncture sleeve 11's tip is connected with fixed cover 15, and tapering clamp sleeve 18 is the tapering face with the contact surface of tapering cutting ferrule 23, and this connected mode can adopt threaded connection, cover to establish or direct integrated into one piece for conventional mode, can realize the two be connected can, the utility model discloses do not improve this connected mode. The taper jacket is a variable-diameter jacket with a conical outer wall, and the clamping and locking mode is the prior art and is not described again; the fixed sleeve 15 is in threaded connection with the locking sleeve 19 and can move along the axis, the locking sleeve 19 is fixedly provided with a pushing part which enables the taper jacket 18 to have variable diameters, one end of the taper jacket 18 with a larger diameter extends axially to form a sealing sleeve 16, sealing rings are arranged on the sealing sleeve 16 and comprise inner sealing rings and outer sealing rings 17 arranged on the inner wall and the outer wall of the sealing sleeve, and a protective sleeve 20 is arranged outside the locking sleeve 19.

The inner wall of the rear end of the fixed sleeve 15 protrudes inwards to form a limiting ring 24 for preventing the sealing sleeve 15 from sliding forwards, a plurality of grooves for circumferentially fixing the sealing sleeve are axially arranged on the inner wall of the limiting ring 24, the grooves are uniformly arranged along the circumferential direction, and the front end of the sealing sleeve 16 extends axially to form a plurality of convex blocks matched with the grooves.

At least three through grooves 51 are axially arranged on the taper jacket 18, and the through grooves 52 are uniformly arranged along the circumferential direction; the connecting end of the tapered jacket 18 is recessed radially inward to form an annular groove 52 that reduces the resistance to taper of the tapered jacket.

The inner wall of the taper jacket 18 is provided with a plurality of annular inner grooves 53 for increasing the clamping pressure of the inner wall of the jacket, and the annular inner grooves 53 are arranged axially.

The inner wall of the rear end of the fixed sleeve 1 protrudes inwards to form a limiting ring 24 for preventing the sealing sleeve 16 from sliding forwards, a plurality of grooves for circumferential fixation are axially arranged on the inner wall of the limiting ring 24, the grooves are uniformly arranged along the circumferential direction, and the front end part of the sealing sleeve 16 extends axially to form a plurality of lugs 31 matched with the grooves; the lug 31 is the arc lug and the excircle diameter that the lug 31 encloses equals the interior circle diameter of spacing ring 12, when rotatory locking collar 19, can prevent that tapering jacket 18 and puncture vertebra 1 from taking place to rotate and axial motion, and the setting of a plurality of spacing slot has from the locate function, and the installation is quick, and circumference is fixed firm.

In this embodiment, at least three through grooves 51 are axially arranged on the taper jacket 18, and the through grooves 51 are uniformly arranged along the circumferential direction; the connecting end of the taper jacket 18 is recessed inwards in the radial direction to form an annular groove 52 for reducing the reducing resistance of the taper jacket 18; through the setting of logical groove 51 and annular groove 52, the diameter variation range of multiplicable tapering clamp 18 and reduction reducing resistance for tapering clamp 18 presss from both sides tight cable more easily, and the great tapering clamp 18 of elastic deformation has bigger reaction force to tapering cutting ferrule 23 simultaneously, makes tapering cutting ferrule 23 can firm the card end in tapering clamp 18.

In this embodiment, the inner wall of the taper jacket 18 is provided with a plurality of annular inner grooves 53 for increasing the clamping pressure of the inner wall of the taper jacket, and the plurality of annular inner grooves 53 are arranged along the axial direction; the surface of the cable is easy to deform due to large clamping pressure, the axial resistance between the puncture vertebra 1 and the taper jacket 18 is increased, and the puncture vertebra 1 is ensured to be locked; the section of annular inner groovy 53 is triangle-shaped, triangle-shaped limit and cable axis contained angle before leaning on are less than 45, and limit and cable axis contained angle after leaning on are greater than 45, and through setting up gently the limit before leaning on, penetrate easily to puncture vertebra 1 and form the guide effect, and the limit after leaning on sets up steeply, can prevent effectively that puncture vertebra from sliding backward, further guarantees the stability of locking.

The working process is as follows:

before using, each component is separately arranged, when in use, the connecting assembly is firstly arranged at one end of the puncture sleeve far away from the conical head, the puncture cone assembly penetrates into the puncture sleeve 11, the movable sealing ring 2 is positioned between the puncture cone assembly 1 and the puncture sleeve 11 at the moment and plays a role of sealing, the locking device 14 fixes the puncture cone assembly 1 and the puncture sleeve, the air injection valve 12 is connected with an external air pump, and the exhaust switch is closed, so that the puncture sleeve can be used, when the connecting column 5 is inserted into the round hole 6, the connection can form the extrusion to the rubber ring 9, therefore, the gas coming in from the air injection valve 12 is tightly sealed by the connecting ring, the gas can only be transmitted to the abdomen and the thorax of a human body from the gap between the sleeve and the puncture cone, the gas does not leak, and the maintenance of the pneumoperitoneum.

The above two embodiments of the present invention have been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. Disposable puncture ware, its characterized in that: the puncture needle comprises a puncture vertebral component, a puncture sleeve and a connecting component, wherein one end of the puncture vertebral component penetrates out of the puncture sleeve, and the other end of the puncture vertebral component is connected with the connecting component;

2. A single-use puncture instrument according to claim 1, characterized in that: the locking device comprises a taper clamping sleeve, a fixing sleeve and a locking sleeve, the contact surface of the taper clamping sleeve and the taper clamping sleeve is a taper surface, the fixing sleeve is in threaded connection with the locking sleeve and can move along the axis, the locking sleeve is fixedly provided with a pushing part enabling the taper clamping sleeve to be variable in diameter, the larger end of the taper clamping sleeve axially extends to form the sealing sleeve, a sealing ring is arranged on the sealing sleeve and comprises an inner sealing ring and an outer sealing ring which are arranged on the inner wall and the outer wall of the sealing sleeve, and a protective sleeve is arranged outside the locking sleeve.

3. A single-use puncture instrument according to claim 2, characterized in that: the inner wall of the rear end of the fixing sleeve protrudes inwards to form a limiting ring used for preventing the sealing sleeve from sliding forwards, grooves used for fixing the sealing sleeve in the circumferential direction are axially formed in the inner wall of the limiting ring, the grooves are uniformly formed in the circumferential direction, and the front end of the sealing sleeve axially extends to form a plurality of protruding blocks matched with the grooves.

4. A single-use puncture instrument according to claim 2, characterized in that: at least three through grooves are axially formed in the taper clamping sleeve, and the through grooves are uniformly formed in the circumferential direction; the connecting end of the taper jacket is recessed inwards in the radial direction to form an annular groove for reducing the reducing resistance of the taper jacket.

5. The single use puncture instrument according to claim 4, wherein: the taper jacket inner wall is provided with annular inner grooves for increasing the clamping pressure of the jacket inner wall, and the annular inner grooves are arranged in the axial direction.

6. A single-use puncture instrument according to claim 1, characterized in that: the conical head is provided with a bleeding groove.

7. A single-use puncture instrument according to claim 1, characterized in that: an exhaust switch is arranged on the exhaust pipe assembly.