CN213285171U

CN213285171U - Tear type vascular sheath

Info

Publication number: CN213285171U
Application number: CN202021673165.2U
Authority: CN
Inventors: 郭利斌; 刘雯; 李辉; 赵申; 袁福林
Original assignee: Nanjing Youdebang Medical Technology Co ltd
Current assignee: Nanjing Youdebang Medical Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-28
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to an intervene treatment facility technical field, specifically speaking relates to a can tear type vascular sheath, including the vascular sheath body, the vascular sheath body includes that one can tear sheath pipe and an expansion pipe, can tear sheath pipe and expansion pipe and can assemble together and reliably lock, can tear the sheath pipe including can tearing the pipe and can tear the sheath tube seat, the expansion pipe is including expanding the body, expanding the tube seat and pressing from both sides formula buckle, and the expansion tube seat is located the one end of expanding the body, presss from both sides formula buckle and sets up on the outer wall of expansion tube seat for two and symmetry. This can tear type vascular sheath can avoid smooth silk and the not tight condition of card, reaches better effect, and simple easy operation, the structure is simpler, and the design modification is changeed in the aspect of the mould, tears more easily, and the effect becomes linear after tearing, can not have zigzag or other uneven shapes, and the effect is better.

Description

Tear type vascular sheath

Technical Field

The utility model relates to an intervene treatment facility technical field, specifically speaking relates to a type vascular sheath can be torn.

Background

When carrying out the intervention treatment, can use the vascular sheath that tears generally, the vascular sheath that can tear now adopts screw locking device to connect, generally speaking, the spiral structure of screwing if there is not the measure of preventing circling round, will lead to the cooperation not hard up, the cooperation effect is not good, the smooth silk of appearing easily and the not tight condition of card, and the operation is comparatively complicated, in addition, the helicitic texture is more complicated, difficult design modification in the aspect of the mould, the effect is not ideal enough, and can tear the tearing effect of sheath not good, it is not linear to tear the back effect, can produce shapes such as sawtooth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can tear type vascular sheath to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a can tear type vascular sheath, including the vascular sheath body, the vascular sheath body includes that one can tear sheath pipe and an expansion pipe, can tear sheath pipe and expansion pipe and can assemble together and reliably lock, can tear the sheath pipe including can tearing the pipe and can tear the sheath tube seat, the expansion pipe is including expanding body, expansion tube seat and the formula buckle of pressing from both sides, the expansion tube seat is located the one end of expanding the body, it is two and the symmetry setting on the outer wall of expansion tube seat to press from both sides formula buckle.

Preferably, the tearable sheath tube base is provided with two wing-shaped handles, the outer end of the tearable sheath tube base is provided with a pair of bosses, one side of each boss is provided with an inward concave groove, and the grooves on the bosses can be in clamping fit with the clamping type buckles on the expansion tube base, so that the tearable sheath tube base and the expansion tube can be assembled together and reliably locked.

Preferably, two V-shaped tearing grooves are formed in the tearable sheath tube seat, and the V-shaped tearing grooves are perpendicular to the direction of the wing-shaped handle on the tearable sheath tube seat.

Preferably, one end of the expansion pipe body, which is far away from the expansion pipe seat, is provided with a port, and one end of the expansion pipe seat, which is far away from the expansion pipe body, is provided with a tip.

Preferably, the diameter of the expansion pipe body is gradually reduced to form a cone from the expansion pipe seat to the end, the outer diameter of the expansion pipe body is smaller than the inner diameter of the corresponding tearable pipe, and the inner diameter of the end is larger than the outer diameter of the guide wire.

Preferably, the end of the extension pipe body has an arc shape.

Preferably, the upper and lower surfaces of both sides of the wing-shaped handle are provided with a plurality of strip-shaped bulges.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this can tear type vascular sheath and cancelled the structure of rotatory locking, adopt buckle type structure, can avoid smooth silk and the not tight condition of card, buckle type structure can tightly fix two mating pieces, reaches better effect.

2. The simple operation, generally screw or loosen and all need rotate, this structure only need hold between the fingers the buckle handle with the expansion pipe send into can tear the sheath pipe can, equally, take out also can hold between the fingers the buckle handle take out can, simple easy operation.

3. The structure is simpler, and the design modification is easier in the aspect of the die.

4. The sheath tube seat can be torn to form a V-shaped groove, so that the tearing is easier, the effect is linear after the tearing, the saw-tooth shape or other irregular shapes cannot exist, and the effect is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a tearable sheath according to the present invention;

fig. 3 is a schematic structural view of the middle expanding tube of the present invention.

The various reference numbers in the figures mean: 1. a vascular sheath body; 2. the sheath tube can be torn open; 21. a tearable tube; 22. the sheath tube seat can be torn open; 221. a wing-shaped handle; 23. a boss; 24. v-shaped tearing grooves; 3. an expansion tube; 31. expanding the pipe body; 311. a port; 32. a clamp type fastener; 33. expanding the tube seat; 331. and (4) a terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The utility model provides a can tear type vascular sheath, as shown in fig. 1-3, including vascular sheath body 1, vascular sheath body 1 includes that one can tear sheath pipe 2 and an expansion pipe 3, can tear sheath pipe 2 and expansion pipe 3 and can assemble together and reliably lock, can tear sheath pipe 2 including can tear pipe 21 and can tear sheath tube seat 22, expansion pipe 3 is including expansion body 31, expansion tube seat 33 and the formula buckle 32 of pressing from both sides, expansion tube seat 33 is located the one end of expansion body 31, it sets up on the outer wall of expansion tube seat 33 for two and symmetry to press from both sides formula buckle 32, only need to press from both sides the formula buckle 32 through the extrusion and can reach expansion pipe 3 and can tear the effect that sheath pipe 2 locked or take out, and is convenient simple and direct.

Specifically, can tear and have two wing handle 221 on the sheath tube socket 22, can tear the outer end of sheath tube socket 22 and be equipped with a pair of boss 23, one side of boss 23 has inside sunken recess, the recess on the boss 23 can with the cooperation of the formula of pressing from both sides buckle 32 joint on the expansion tube socket 33, thereby can guarantee to tear sheath tube socket 22 and expansion tube 3 assembly together and reliably lock, boss 23 can closely cooperate with the formula of pressing from both sides buckle on the expansion tube, expansion tube 3 is restricted after both cooperations, unable rotation or removal, thereby reach the effect of reliable locking.

In addition, can tear and be equipped with two V-arrangement on the sheath tube socket 22 and tear groove 24, V-arrangement tears the direction that the groove 24 perpendicular to can tear wing handle 221 on the sheath tube socket 22 for it is more convenient laborsaving when tearing can tear sheath pipe 2, and it is better to tear the back effect, and V-arrangement tears the groove 24 and can make and tear more easily, tears back effect alignment, can not have zigzag or other uneven shapes, and the effect is better.

Further, a port 311 is provided at an end of the extension pipe body 31 away from the extension pipe seat 33, and a tip 331 is provided at an end of the extension pipe seat 33 away from the extension pipe body 31.

Further, the diameter of the expanding tube 31 gradually decreases from the expanding tube seat 33 to the end, and the expanding tube 31 is tapered, the outer diameter is smaller than the inner diameter of the corresponding tearable tube 21, and the inner diameter at the end is larger than the outer diameter of the guide wire, so that the expanding tube 31 can be conveniently inserted into the tearable tube 21.

Furthermore, the end of the expanding tube 31 is arc-shaped, so that the damage to the blood vessel can be effectively reduced.

Furthermore, the upper and lower surfaces of the two sides of the wing-shaped handle 221 are provided with a plurality of strip-shaped bulges, so that the friction force of a user during operation can be increased, the sheath tube 2 can be torn better, the operation time is saved, and the operation success rate is improved.

The type vascular sheath that can tear of this embodiment is when using, at first can tear the sheath pipe and be connected with the expansion pipe, press from both sides formula buckle 32 with its card through the extrusion and go into the recess in the boss 23, make expansion pipe 3 with can tear sheath pipe 2 and closely cooperate, only need hold between the fingers two and press from both sides formula buckle 32 with expansion pipe 3 insert can tear sheath pipe 2 and loosen after on the bottom during the operation can, cooperation expansion pipe 3 can not the horizontal rotation, reciprocate, can intervene the operation, only need hold between the fingers formula of pressing from both sides formula buckle 32 again and take out and can reach cancellation complex effect, and is convenient simple and direct, tear groove 24 and will tear sheath pipe 2 and tear along the V-arrangement, it is linear to tear the effect after tearing, there is not zigzag or other uneven shapes, and the effect is better.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A tearable vascular sheath comprising a vascular sheath body (1), the vascular sheath body (1) comprising a tearable sheath tube (2) and an expansion tube (3), characterized in that: can tear sheath pipe (2) and expansion pipe (3) and can assemble together and reliably lock, can tear sheath pipe (2) including tearing pipe (21) and can tearing sheath tube seat (22), expansion pipe (3) are including expanding body (31), expansion tube seat (33) and clamp formula buckle (32), expansion tube seat (33) are located the one end of expansion body (31), it sets up on the outer wall of expansion tube seat (33) for two and symmetry to press from both sides formula buckle (32).

2. The tearable vascular sheath of claim 1, wherein: the novel sheath tube is characterized in that two wing-shaped handles (221) are arranged on the tearable sheath tube seat (22), a pair of bosses (23) are arranged at the outer ends of the tearable sheath tube seat (22), one side of each boss (23) is provided with an inward concave groove, and the grooves in the bosses (23) can be in clamping fit with clamp type buckles (32) on the expansion tube seat (33), so that the tearable sheath tube seat (22) and the expansion tube (3) can be assembled together and reliably locked.

3. The tearable vascular sheath of claim 1, wherein: two V-shaped tearing grooves (24) are formed in the tearable sheath tube seat (22), and the V-shaped tearing grooves (24) are perpendicular to the direction of the wing-shaped handle (221) on the tearable sheath tube seat (22).

4. The tearable vascular sheath of claim 1, wherein: one end, far away from the expansion pipe seat (33), of the expansion pipe body (31) is provided with a port (311), and one end, far away from the expansion pipe body (31), of the expansion pipe seat (33) is provided with a head (331).

5. The tearable vascular sheath of claim 1, wherein: the diameter of the expansion pipe body (31) is gradually reduced to be tapered from the expansion pipe seat (33) to the end, the outer diameter of the expansion pipe body is smaller than the inner diameter of the corresponding tearable pipe (21), and the inner diameter of the end is larger than the outer diameter of the guide wire.

6. The tearable vascular sheath of claim 5, wherein: the end of the expansion pipe body (31) is arc-shaped.

7. The tearable vascular sheath of claim 2, wherein: the upper and lower surfaces of the two sides of the wing-shaped handle (221) are provided with a plurality of strip-shaped bulges.