CN210813356U

CN210813356U - Split type easy-to-assemble and disassemble catheter sheath

Info

Publication number: CN210813356U
Application number: CN201920875440.XU
Authority: CN
Inventors: 赵阳
Original assignee: Jiangsu Airuisi Medical Technology Co ltd
Current assignee: Jiangsu Iris Medical Technology Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-06-23
Anticipated expiration: 2029-06-11

Abstract

The utility model belongs to the technical field of the medical treatment pipe technique and specifically relates to a split type easily loads and unloads pipe sheath, including the pipe sheath, be used for connecting the pipe sheath seat of pipe sheath, the three-way pipe of built-in manual three-way valve and be used for communicating pipe sheath seat and the conveyer pipe of three-way pipe, the pipe sheath top is provided with the top extension pipe. The utility model discloses a split type easy loading and unloading pipe sheath makes the pipe sheath through adopting split type to assemble, pipe sheath seat, three-way pipe and conveyer pipe are connected, set up the side direction assembly groove of built-in intercommunicating pore and fixed seal strip to one side on the pipe sheath seat, utilize the fixed cover card of side direction of built-in inboard communicating pipe to one side to come the detachable assembled joint of conveyer pipe and pipe sheath seat on the side direction assembly groove, it is more convenient to make its loading and unloading split, use cost reduces, the fixed assembly security of cover of elasticity side direction on the cooperation pipe sheath seat can promote the side direction greatly.

Description

Split type easy-to-assemble and disassemble catheter sheath

Technical Field

The utility model belongs to the technical field of the medical catheter technique and specifically relates to a split type easily loads and unloads pipe sheath.

Background

When the drainage tubes such as the renal pelvis, the abdominal cavity and the like in the body are blocked or broken for a long time, the drainage tubes need to be replaced, and when the drainage tubes are usually replaced, the guide wires are conveyed into the renal pelvis through the interior of the drainage tubes, the guide wires are reserved, the old drainage tubes are withdrawn, new drainage tubes are introduced, and the operation is finished. However, when the inside of the drainage tube installed in the body is not smooth, the guide wire cannot be fed into the renal pelvis through the inside of the drainage tube, which causes inconvenience in replacement. Thus requiring the use of an introducer sheath to replace the blocked catheter. But the most structures of catheter sheath that now uses clinically are fixed, and every part installation fixed mode is single, and it is very inconvenient to load and unload, especially inside the tube sheath seat, mostly is a body structure, and the change can't be dismantled, leads to use cost very high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem that exists among the above-mentioned background art, provide a split type easy loading and unloading pipe sheath of modified, solve the most fixed structure of present pipe sheath, every part installation fixed mode is single, and loading and unloading are very inconvenient, especially inside the pipe sheath seat, mostly are a body structure, and unable dismantlement is changed, leads to the very high problem of use cost.

The utility model provides a technical scheme that its technical problem adopted is: a split type easy-to-assemble and disassemble catheter sheath comprises a catheter sheath, a catheter sheath seat used for connecting the catheter sheath, a three-way pipe internally provided with a manual three-way valve and a conveying pipe used for communicating the catheter sheath seat and the three-way pipe, wherein a top extension pipe is arranged at the top end of the catheter sheath, an extension assembly pipe with an integrated structure is arranged at the connecting end of the top extension pipe and the catheter sheath, the inner diameter of the extension assembly pipe is gradually reduced from two ends to the middle, the top extension pipe is inserted into the catheter sheath through the extension assembly pipe and is clamped and fixed with the catheter sheath, an annular extension assembly groove is formed in the middle of the outer side surface of the extension assembly pipe, a lateral assembly groove is formed in the outer side surface of the catheter sheath seat, the conveying pipe is connected with a lateral fixing sleeve with an assembly notch at the top end close to the catheter sheath seat, and is clamped on the lateral, the opening positions of the outer side surfaces of the three-way pipe and the lateral fixing sleeve are respectively provided with an integrated structure connecting pipe, and the two ends of the conveying pipe are respectively fixedly communicated with the three-way pipe and the lateral fixing sleeve through being sleeved on the corresponding position connecting pipes.

Furthermore, in order to improve the assembly firmness and the sealing performance, an integral structure extending limiting ring matched with the extending assembly groove is arranged on the inner side face of the top end of the tube sheath, and the tube sheath is sleeved in the extending assembly groove through the extending limiting ring and is clamped and fixed with the extending assembly tube.

Furthermore, in order to facilitate the split disassembly and assembly, the inner side surface of the lateral assembly groove is provided with an inclined communication hole communicated with the inside of the tube sheath base, the inner side arc-shaped surface of the lateral fixing sleeve is provided with an inner side inclined communication tube communicated with the connecting tube, and the lateral fixing sleeve is inserted into the inclined communication hole through the inner side inclined communication tube and is communicated with the inside of the tube sheath base.

Furthermore, in order to improve the installation stability through lateral limiting, a lateral limiting sleeve is sleeved on one side, located on the lateral assembly groove, of the outer side surface of the tube sheath seat, and a limiting groove matched with the connecting tube is formed in the end, close to the lateral assembly groove, of the lateral limiting sleeve.

Furthermore, in order to match with elastic limit, an internal extrusion groove with an internal extrusion spring is formed in the inner side surface of the lateral limit sleeve, and an internal extrusion ring of an integrated structure matched with the extrusion spring is arranged at the position, located in the internal extrusion groove, of the outer side surface of the tube sheath seat.

Furthermore, in order to improve the sealing performance of the opening end, a fixing sealing strip matched with the assembling opening is arranged on the inner side surface of the lateral assembling groove.

The beneficial effects of the utility model are that, the utility model discloses a split type easy loading and unloading pipe sheath makes the pipe sheath, pipe sheath seat, three-way pipe and conveyer pipe be connected through adopting split type to assemble, set up the side direction assembly groove of built-in intercommunicating pore and fixed seal strip to one side on the pipe sheath seat, utilize the fixed cover card of built-in inboard side direction of putting communicating pipe to one side to come the detachable erection joint of conveyer pipe and pipe sheath seat on the side direction assembly groove, it is more convenient to make its loading and unloading split, use cost reduces, the fixed assembly security of cover of elasticity side direction stop collar on the cooperation pipe sheath seat can promote the side direction greatly.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the connecting end of the sheath seat of the middle tube of the present invention.

In the drawing, 1, a pipe sheath, 2, a pipe sheath seat, 3, a three-way pipe, 4, a conveying pipe, 5, a top extension pipe, 6, an extension assembly pipe, 7, an extension assembly groove, 8, a lateral assembly groove, 9, a lateral fixing sleeve, 10, a connecting pipe, 11, an extension limiting ring, 12, an inclined communication hole, 13, an inner side inclined communication pipe, 14, a lateral limiting sleeve, 15, a limiting groove, 16, an extrusion spring, 17, an inner extrusion groove, 18, an inner extrusion ring and 19, a fixed sealing strip are arranged.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Fig. 1 and 2 show a split type easy-to-mount and dismount catheter sheath, which comprises a sheath 1, a sheath seat 2 for connecting the sheath 1, a three-way pipe 3 with a built-in manual three-way valve, and a delivery pipe 4 for communicating the sheath seat 2 and the three-way pipe 3, wherein a top extension pipe 5 is arranged at the top end of the sheath 1, an extension assembly pipe 6 with an integral structure is arranged at the connecting end of the top extension pipe 5 and the sheath 1, the inner diameter of the extension assembly pipe 6 is gradually reduced from two ends to the middle, the top extension pipe 5 is inserted into the sheath 1 through the extension assembly pipe 6 and is clamped and fixed with the sheath 1, an annular extension assembly groove 7 is arranged at the middle position of the outer side surface of the extension assembly pipe 6, a lateral assembly groove 8 is arranged on the outer side surface of the sheath seat 2, the delivery pipe 4 is connected with a lateral fixing sleeve 9 with an assembly notch at the top end near the top end of the sheath seat 2, the opening positions of the outer side surfaces of the three-way pipe 3 and the lateral fixing sleeve 9 are respectively provided with an integrated structure connecting pipe 10, and the two ends of the conveying pipe 4 are respectively fixedly communicated with the three-way pipe 3 and the lateral fixing sleeve 9 through being sleeved on the corresponding position connecting pipes 10.

Further, in order to improve the assembly firmness and the sealing performance, an integral structure extension limiting ring 11 matched with the extension assembly groove 7 is arranged on the inner side surface of the top end of the tube sheath 1, the tube sheath 1 is sleeved inside the extension assembly groove 7 through the extension limiting ring 11 and is clamped and fixed with the extension assembly pipe 6, further, in order to facilitate split disassembly and assembly, an inclined communication hole 12 communicated with the inside of the tube sheath seat 2 is formed on the inner side surface of the lateral assembly groove 8, an inner inclined communication pipe 13 communicated with the connecting pipe 10 is arranged on the inner arc surface of the lateral fixing sleeve 9, the lateral fixing sleeve 9 is inserted into the inclined communication hole 12 through the inner inclined communication pipe 13 and is communicated with the inside of the tube sheath seat 2, further, in order to improve the installation stability through lateral limiting, a lateral limiting sleeve 14 is sleeved on one side of the lateral assembly groove 8 on the outer side of the tube sheath seat 2, a limiting groove 15 matched with the connecting pipe 10 is formed at the near, furthermore, in order to cooperate with elastic limit, an internal extrusion groove 17 with a built-in extrusion spring 16 is arranged on the inner side surface of the lateral limit sleeve 14, the outer side surface of the sheath seat 2 is positioned at the internal extrusion groove 17 and is provided with an internal extrusion ring 18 with an integrated structure matched with the extrusion spring 16, and further, in order to improve the sealing performance of the opening end, the inner side surface of the lateral assembly groove 8 is provided with a fixed sealing strip 19 matched with an assembly opening, the split type easy-to-assemble and disassemble catheter sheath of the utility model adopts split type assembly to connect the sheath 1, the sheath seat 2, the three-way pipe 3 and the delivery pipe 4, the lateral assembly groove 8 with a built-in inclined communication hole 12 and a fixed sealing strip 19 is arranged on the sheath seat 2, and the lateral fixing sleeve 9 with a built-in inner inclined communication pipe 13 is clamped on the lateral assembly groove 8 to detachably assemble and connect the delivery pipe 4, make its loading and unloading split more convenient, use cost reduces, and the fixed cover 9's of side direction assembly security can be promoted greatly to the elasticity side direction stop collar 14 on the cooperation pipe sheath seat 2.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a split type easy loading and unloading pipe sheath, includes tube sheath (1), is used for tube sheath seat (2) of connecting tube sheath (1), three-way pipe (3) of built-in manual three-way valve and is used for conveyer pipe (4) communicating tube sheath seat (2) and three-way pipe (3), characterized by: the pipe sheath is characterized in that a top extension pipe (5) is arranged at the top end of the pipe sheath (1), an extension assembling pipe (6) of an integrated structure is arranged at the connecting end of the top extension pipe (5) and the pipe sheath (1), the inner diameter of the extension assembling pipe (6) is gradually reduced from two ends to the middle, the top extension pipe (5) is inserted into the pipe sheath (1) through the extension assembling pipe (6) and is clamped and fixed with the pipe sheath (1), an annular extension assembling groove (7) is formed in the middle of the outer side surface of the extension assembling pipe (6), a lateral assembling groove (8) is formed in the outer side surface of the pipe sheath seat (2), a lateral fixing sleeve (9) with an assembling notch is connected to the top of the conveying pipe (4) close to the pipe sheath seat (2), the conveying pipe (4) is clamped on the lateral assembling groove (8) through the lateral fixing sleeve and is fixedly connected with the outer side surface of the pipe sheath, the opening positions of the outer side surfaces of the three-way pipe (3) and the lateral fixing sleeve (9) are respectively provided with an integral structure connecting pipe (10), and the two ends of the conveying pipe (4) are respectively fixedly communicated with the three-way pipe (3) and the lateral fixing sleeve (9) through being sleeved on the corresponding position connecting pipes (10).

2. The split type easy-to-assemble and disassemble catheter sheath of claim 1, which is characterized in that: have on the top medial surface of tube sheath (1) and extend assembly groove (7) matched with an organic whole structure and extend spacing ring (11), tube sheath (1) fix with extension assembly pipe (6) joint through extending spacing ring (11) cover inside extension assembly groove (7).

3. The split type easy-to-assemble and disassemble catheter sheath of claim 1, which is characterized in that: the lateral assembling groove (8) is provided with an inclined communicating hole (12) communicated with the inside of the sheath seat (2), the inner side arc-shaped surface of the lateral fixing sleeve (9) is provided with an inner side inclined communicating pipe (13) communicated with the connecting pipe (10), and the lateral fixing sleeve (9) is inserted into the inclined communicating hole (12) through the inner side inclined communicating pipe (13) to be communicated with the inside of the sheath seat (2).

4. The split type easy-to-assemble and disassemble catheter sheath of claim 1, which is characterized in that: lateral limiting sleeves (14) are sleeved on the lateral surfaces of the sheath seats (2) and located on one sides of the lateral assembling grooves (8), and limiting grooves (15) matched with the connecting pipes (10) are formed in the lateral limiting sleeves (14) and located on the near lateral assembling grooves (8).

5. The split type easy-to-assemble and disassemble catheter sheath of claim 4, wherein: an internal extrusion groove (17) with an internal extrusion spring (16) is formed in the inner side surface of the lateral limiting sleeve (14), and an internal extrusion ring (18) of an integrated structure matched with the extrusion spring (16) is arranged at the position, located in the internal extrusion groove (17), of the outer side surface of the sheath seat (2).

6. The split type easy-to-assemble and disassemble catheter sheath of claim 1, which is characterized in that: and a fixed sealing strip (19) matched with the assembling notch is arranged on the inner side surface of the lateral assembling groove (8).