CN213588441U

CN213588441U - Multi-cavity puncture sheath

Info

Publication number: CN213588441U
Application number: CN202022412254.8U
Authority: CN
Inventors: 李乐乐; 杨云鹤
Original assignee: Shanghai Yuanchang Medical Technology Co ltd
Current assignee: Zhejiang Guichuang Medical Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-02
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to a multicavity puncture sheath, include sheath pipe main part and install the expander in sheath pipe main part, the one end of sheath pipe main part is equipped with the tail and inserts, the tail is inserted one end and is equipped with a plurality of tail and inserts the branch pipe, all be equipped with in the tail inserts the branch pipe and supply puncture utensil male tail to insert a chamber, the tail is inserted the inner chamber intercommunication setting of a chamber and expander. The utility model discloses a multicavity puncture sheath is when using, and operation utensil passes the tail and inserts, because the tail is inserted the branch pipe and is equipped with a plurality ofly, can make different apparatus get into simultaneously internally, and can not disturb and collide each other, take place to drag or tear fixed incision department puncture tube in avoiding the operation, guaranteed the security of operation, in addition, different apparatus get into simultaneously and can not disturb and collide each other, the convenience of operation has also been improved simultaneously, the degree of difficulty of operation has been reduced.

Description

Multi-cavity puncture sheath

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a multi-cavity puncture sheath.

Background

Because the intracavity repair operation has less damage to human body and fewer complications, the intracavity repair operation is widely applied and popularized in the field of cardiovascular diseases. The puncture sheath is used as an auxiliary instrument for the operation and is matched with a guide catheter or a guide wire to establish a channel, so that the guide wire can reach an accurate position and release the stent, and finally, the stent system reaches a diseased position or a target position along the guide wire and is released, thereby achieving the purpose of repairing diseased blood vessels. The puncture sheath can be used for fixing on the incision of the patient in the process, the outer wall of the sheath tube is tightly matched with the incision to realize sealing, and meanwhile, a channel for instruments to enter the human body is provided. In the puncture process, a plurality of instruments are usually required to enter the body at the same time, so that interference and collision among the instruments are easy to occur, and the puncture cannula fixed at the incision is easy to drag or tear in the operation, thereby causing blood loss of a patient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicavity puncture 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 following technical scheme:

the utility model provides a multicavity puncture sheath, includes sheath pipe main part and installs the expander in sheath pipe main part, the one end of sheath pipe main part is equipped with the tail and inserts, the tail is inserted and is inserted the body including the tail, body one end is inserted to the tail and is equipped with a plurality of tail and inserts the branch pipe, all be equipped with in the tail inserts the branch pipe and supply puncture utensil male tail to insert a chamber, the tail inserts the inner chamber intercommunication setting of a chamber and expander.

As a further aspect of the present invention: sheath pipe main part includes sheath pipe, hose, right side shell and left shell enclose to close at its inside formation installation cavity, the hose is laid in the installation cavity, the one end of hose is equipped with sheath coupling, the sheath pipe is fixed on sheath coupling, the other end of hose is equipped with hose coupling, the expander runs through sheath pipe, sheath coupling, hose and hose coupling setting, all be equipped with the guide way that sets up for the hose slope on right side shell and the left shell, the guide way sets up for the hose symmetry relatively, install the gliding gyro wheel of guide way between the guide way, when the gyro wheel is close to hose direction slip, gyro wheel extrusion hose, the hose was in the closed condition this moment, when the gyro wheel was kept away from hose direction and is slided, and the hose was in the open condition.

As a further aspect of the present invention: and a shell lantern ring is sleeved between the right shell and the left shell.

As a further aspect of the present invention: the inner bottoms of the right shell and the left shell are respectively provided with a supporting table surface, and the hose is arranged on the upper end surface of the supporting table surface.

As a further aspect of the present invention: and a stress release pipe is sleeved on the periphery of the joint of the sheath pipe joint and the sheath pipe.

As a further aspect of the present invention: the inner walls of the right shell and the left shell are provided with limit inner rings formed by enclosing, the inner diameters of the limit inner rings are d1, the outer diameter of the hose connector is d2, and d2 is smaller than d 1.

As a further aspect of the present invention: the dilator is 18F, 20F or 22F in size.

As a further aspect of the present invention: the number of the tail inserting branch pipes is two, three or four.

As a further aspect of the present invention: one side of the tail insert body close to the hose connector is provided with a sealing sleeve wrapped on the periphery of the hose connector.

As a further aspect of the present invention: one side of the tail insert body, which is close to the hose connector, is provided with a plug inserted in the hose connector, the plug is provided with a plurality of jacks, and the jacks and the tail insert branch cavities are communicated in a one-to-one correspondence manner.

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

1. the surgical instruments that the puncture was used pass the tail and insert, because the tail is inserted the branch pipe and is equipped with a plurality ofly, can make different apparatus get into simultaneously internally, and can not take place to disturb and collide each other, avoid taking place to drag or tear fixed incision department puncture pipe in the operation, guaranteed the security of operation, in addition, different apparatus get into simultaneously and can not disturb and collide each other, also improved the convenience of operation simultaneously, reduced the degree of difficulty of operation.

2. By the gyro wheel along the guide way slip, when the gyro wheel was close to the hose direction and slides, the gyro wheel extrusion hose, the hose was in the closed condition this moment, when the gyro wheel kept away from the hose direction and slides, the hose was in the open mode, so made things convenient for the break-make of hose, reduced the amount of bleeding when using and changing the apparatus, guaranteed the gas tightness of puncture department.

3. The setting of support mesa for when the hose received the gyro wheel extrusion, the atress that gyro wheel one side was kept away from to the hose is more even, and the effect of hose break-make is better.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a multi-lumen puncture sheath according to the present invention;

FIG. 2 is a side view of the multi-lumen puncture sheath of the present invention;

FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an exploded view of the main body of the sheath tube of the multi-lumen sheath according to the present invention;

FIG. 6 is a schematic view of the tail insert of the multi-lumen puncture sheath of the present invention;

fig. 7 is a side view of the sheath tube main body in the multi-lumen puncture sheath of the present invention.

In the figure: 1. a sheath body; 101. a right housing; 102. a left housing; 103. a hose; 104. a hose connector; 105. a roller; 106. a stress relief tube; 107. a housing collar; 108. a sheath pipe joint; 109. a guide groove; 110. supporting the table top; 111. a limiting bulge; 112. a limiting inner ring; 113. a sheath tube; 2. a dilator; 3. tail insertion; 301. sealing the sleeve; 302. a tail plug body; 303. tail inserting branch pipes; 304. a tail plug branch cavity; 305. a jack; 306. and (5) reinforcing ribs.

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.

Referring to fig. 1-7, in an embodiment of the present invention, a multi-cavity puncture sheath includes a sheath main body 1 and an expander 2 installed in the sheath main body 1, wherein one end of the sheath main body 1 is provided with a tail plug 3, the tail plug 3 includes a tail plug body 302, one end of the tail plug body 302 is provided with a plurality of tail plug branch pipes 303, the tail plug branch pipes 303 are internally provided with tail plug branch cavities 304 for insertion of a puncture device, and the tail plug branch cavities 304 are communicated with an inner cavity of the expander 2.

When concrete operation, the surgical instruments that the puncture was used pass tail insert 3, because tail insert branch pipe 303 is equipped with a plurality ofly, can make different apparatus get into simultaneously internally, and can not disturb and collide each other, take place to drag or tear fixed incision department puncture pipe in avoiding the operation, guaranteed the security of operation, in addition, different apparatus get into simultaneously and can not disturb and collide each other, also improved the convenience of operation simultaneously, reduced the degree of difficulty of operation.

In this embodiment, the sheath main body 1 includes a sheath 113, a hose 103, a right housing 101 and a left housing 102, the right housing 101 and the left housing 102 enclose the inside to form an installation cavity, the hose 103 is disposed in the installation cavity, one end of the hose 103 is provided with a sheath joint 108, the sheath 113 is fixed on the sheath joint 108, the other end of the hose 103 is provided with a hose joint 104, the dilator 2 is disposed through the sheath 113, the sheath joint 108, the hose 103 and the hose joint 104, the right housing 101 and the left housing 102 are both provided with guide grooves 109 inclined with respect to the hose 103, the guide grooves 109 are symmetrically arranged with respect to the hose 103, rollers 105 capable of sliding along the guide grooves 109 are installed between the guide grooves 109, when the roller 105 slides in the direction of approaching the hose 103, the roller 105 presses the hose 103, and the hose 103 is in a closed state, when the roller 105 slides away from the hose 103, the hose 103 is in an open state. By the gyro wheel 105 along the guide way 109 slip, when the gyro wheel 105 was close to the slip of hose 103 direction, the hose 103 was in the closed condition to gyro wheel 105 extrusion hose 103 this moment, when the gyro wheel 105 was kept away from the slip of hose 103 direction, hose 103 was in the open mode, so made things convenient for the break-make of hose, reduced the amount of bleeding when using and changing the apparatus, guaranteed the gas tightness of puncture department.

In the present embodiment, a housing collar 107 is sleeved between the right housing 101 and the left housing 102. The housing collar 107 facilitates the disassembly and assembly of the right housing 101 and the left housing 102, and facilitates the disassembly and cleaning of the right housing 101 and the left housing 102.

In order to enable the stress on the side, away from the roller 105, of the hose 103 to be more uniform when the hose 103 is squeezed by the roller 105 and enable the hose 103 to be connected and disconnected better, the inner bottoms of the right shell 101 and the left shell 102 are respectively provided with a supporting table surface 110, and the hose 103 is arranged on the upper end surface of the supporting table surface 110.

In order to timely release the stress of the sheath 113, a stress release tube 106 is sleeved on the periphery of the joint of the sheath joint 108 and the sheath 113.

In order to improve the stability of the installation of the hose 103 in the right casing 101 and the left casing 102, the inner walls of the right casing 101 and the left casing 102 are provided with a limiting inner ring 112 formed by enclosure, the inner diameter of the limiting inner ring 112 is d1, the outer diameter of the hose connector 104 is d2, and d1 is less than d 2.

In this embodiment, the dilator 2 has dimensions of 18F, 20F or 22F. When the puncture sheath is actually used, the size of the dilator 2 can be changed according to the actual use scene, and the use flexibility of the puncture sheath is improved.

In the present embodiment, the number of the tail branch pipes 303 is two, three, or four. In actual use, the number of the tail insertion branch pipes 303 can be adjusted according to actual use scenes, so that the requirements in use are met.

In order to improve the sealing performance of the connection between the hose connector 104 and the tail plug 3, a sealing sleeve 301 wrapping the periphery of the hose connector 104 is arranged on one side of the tail plug body 302 close to the hose connector 104.

In order to facilitate the insertion and extraction of the puncturing device, a plug 304 inserted in the hose connector 104 is arranged on one side of the tail plug body 302 close to the hose connector 104, a plurality of insertion holes 305 are arranged on the plug 304, and the insertion holes 305 are correspondingly communicated with the tail plug branch cavities 304 one by one.

It can be understood that the periphery of the tail plug body 302 is also provided with a plurality of reinforcing ribs 306, and the arrangement of the reinforcing ribs 306 can effectively improve the strength of the tail plug body 302 and ensure the stability of the puncture sheath during operation.

It can be understood that the sealing sleeve 301 is further provided with a limiting clamping groove 303, and the left shell 102 is provided with a limiting protrusion 111 inserted into the limiting clamping groove 303, so that the tail plug 3 is convenient to detach and mount.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a multicavity puncture sheath, includes sheath pipe main part and installs the expander in sheath pipe main part, its characterized in that, the one end of sheath pipe main part is equipped with the tail and inserts, the tail is inserted and is inserted the body including the tail, body one end is inserted and is equipped with a plurality of tail and inserts the branch pipe, all be equipped with in the tail inserts the branch pipe and supply puncture utensil male tail to insert a chamber, the tail is inserted the inner chamber intercommunication setting of a chamber and expander.

2. The multiple lumen puncture sheath according to claim 1, wherein the sheath main body comprises a sheath, a hose, a right housing and a left housing, the right shell and the left shell are enclosed in the installation cavity, the hose is arranged in the installation cavity, one end of the hose is provided with a sheath pipe joint, the sheath pipe is fixed on the sheath pipe joint, the other end of the hose is provided with a hose joint, the dilator is arranged by penetrating through the sheath tube, the sheath tube joint, the hose and the hose joint, the right shell and the left shell are both provided with guide grooves which are obliquely arranged relative to the hose, the guide grooves are symmetrically arranged relative to the hose, rollers capable of sliding along the guide grooves are arranged between the guide grooves, when the roller slides in the direction close to the hose, the roller extrudes the hose, the hose is in a closed state at the moment, and when the roller slides in the direction far away from the hose, the hose is in an open state.

3. The multiple lumen puncture sheath according to claim 2, wherein a sheath collar is sleeved between the right and left sheaths.

4. The multiple lumen puncture sheath according to claim 2, wherein the inner bottom of each of the right and left housings is provided with a support table, and the flexible tube is disposed on the upper end surface of the support table.

5. The multilumen puncture sheath according to claim 2, wherein a stress relief tube is sleeved around the outer periphery of the junction of the sheath joint and the sheath tube.

6. The multiple lumen puncture sheath according to claim 2, wherein the inner walls of the right and left outer shells are provided with a limiting inner ring formed by enclosure, the inner diameter of the limiting inner ring is d1, the outer diameter of the hose connector is d2, and d1 < d 2.

7. The multi-lumen puncture sheath according to claim 1, wherein the dilator has a size of 18F, 20F, or 22F.

8. A multi-lumen puncture sheath according to claim 1, wherein the number of caudal trunk tubes is two, three, or four.

9. The multiple lumen puncture sheath according to claim 1, wherein the side of the tail body adjacent to the hose connector is provided with a sealing sleeve surrounding the outer periphery of the hose connector.

10. The multi-lumen puncture sheath according to claim 1, wherein a plug inserted into the hose connector is provided on a side of the tail plug body adjacent to the hose connector, and a plurality of insertion holes are provided on the plug, and the insertion holes are in one-to-one communication with the tail plug branch lumens.