Jugular vein puncture and indwelling blood vessel sheath

Abstract

The utility model discloses a jugular vein puncture and indwelling vessel sheath, which relates to the technical field of medical infusion instruments and comprises a silica gel mounting seat main body. A threaded connector is arranged on the surface of the silica gel mounting base body, a cross supporting plate is arranged on the inner wall of the threaded connector, a supporting baffle is arranged in the middle of the surface of the cross supporting plate, a compression spring is arranged on the surface of the cross supporting plate, and a sliding check ring is mounted at the front end of the compression spring. The utility model discloses a jugular vein puncture and indwelling vessel sheath which comprises a threaded connector, a sliding check ring is arranged on the threaded connector, the sliding check ring and the threaded connector are in sliding connection, an expansion catheter is spirally installed on the surface of the threaded connector, and a three-way pipe is arranged at the front end of the expansion catheter. When the expansion catheter is not used, the expansion catheter can be taken down, the size of the silica gel installation base body is reduced, and a doctor can conduct infusion on the neck of a patient more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of medical infusion equipment, in particular to a jugular vein puncture and indwelling vascular sheath. Background Art

[0002] TIPS interventional surgery refers to the intrahepatic portal vein shunt surgery through internal jugular vein puncture. Shunt surgery is an interventional treatment technique that can reduce portal vein pressure. Jugular vein puncture is the first step of TIPS surgery. A smooth jugular vein puncture can complete the surgery better and faster. Some TIPS technology is generally carried out in two steps. First, the internal jugular vein puncture is performed under ultrasound guidance in the ward or ultrasound department, and then transferred to the interventional operating room for subsequent operations.

[0003] For example, the patent document with application number 202320713069.3 discloses a TIPS preoperative jugular vein puncture indwelling vascular sheath. The utility model discloses a TIPS preoperative jugular vein puncture indwelling vascular sheath, including a silicone mounting seat, a sheath tube, a needle tube, a three-way valve and a guide tube. The sheath tube is integrally connected to the silicone mounting seat and extends along the inlet end and the outer sides of the outlet end of the through-channel respectively. The needle tube is arranged in the sheath tube, and the guide tube is connected to the inlet end of the silicone mounting seat. An extension catheter integrally connected to the sheath tube is arranged in the guide tube, and a sealing assembly is connected to the inlet end of the guide tube. The outer wall of the outlet end of the extension catheter is connected to the inner wall of the inlet end of the sheath tube, and the outlet end of the extension catheter is connected to the inlet end of the needle tube. A side catheter is connected to the side wall of the silicone mounting seat, one end of the side catheter is connected to the outlet end of the three-way valve, and the other end of the side catheter is connected to the side of the needle tube through the side wall of the silicone mounting seat. The utility model can prevent leakage and reduce the operation process and shorten the operation time in the operating room. However, when the needle is inserted into the patient's neck during the jugular vein puncture and the vascular sheath is placed before TIPS surgery, the silicone mounting seat with the expansion catheter is too large, which affects the doctor's injection of the patient.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a jugular vein puncture and indwelling vascular sheath is proposed. Utility Model Content

[0005] The utility model aims to provide a jugular vein puncture and indwelling vascular sheath to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a jugular vein puncture and indwelling vascular sheath, comprising a silicone mounting seat body, a threaded connector is arranged on the surface of the silicone mounting seat body, a cross support plate is arranged on the inner wall of the threaded connector, and a support baffle is arranged in the middle of the surface of the cross support plate, a compression spring is arranged on the surface of the cross support plate, and a sliding retaining ring is arranged at the front end of the compression spring, and a sliding retaining ring and the threaded connector are slidably connected, an expansion catheter is spirally installed on the surface of the threaded connector, and a three-way tube is arranged at the front end of the expansion catheter.

[0007] Preferably, a sheath body is provided at the lower end of the silicone mounting seat body, and a needle is provided at the lower end of the sheath body.

[0008] Preferably, connection blocks are provided on both side surfaces of the main body of the silicone mounting seat, and a medical elastic band is installed at the front end of the connection block.

[0009] Preferably, a first Velcro is provided at the left end of the medical elastic band, and a second Velcro is provided at the right end of the medical elastic band.

[0010] Preferably, a gasket is provided on the rear end surface of the silicone mounting seat body, and the gasket is made of sponge with good air permeability.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with a silicone mounting seat body, a sheath body, a needle, a threaded connector, an expansion catheter, a three-way tube, a cross support plate, a compression spring, a sliding retaining ring and a support retaining plate. Through the setting of the threaded connector, the expansion catheter can be taken out before using the expansion catheter to reduce the volume of the silicone mounting seat body, making needle insertion more convenient. Through the setting of the compression spring and the sliding retaining ring, when the expansion catheter is connected to the threaded connector, the compression spring can be pressed down to make the sliding retaining ring slide downward, so that the expansion catheter is connected to the silicone mounting seat body;

[0013] 2. The utility model, through the setting of the connecting block, the medical elastic band, the Velcro 1, the Velcro 2 and the gasket, can completely fix the silicone mounting seat body on the patient's neck after the needle is inserted into the patient's neck through the setting of the medical elastic band, so as to avoid the silicone mounting seat body shaking to cause the needle to deviate and cause harm to the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the jugular vein puncture and indwelling vascular sheath of the utility model;

[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 It is a rear view stereoscopic structural schematic diagram of the jugular vein puncture and indwelling vascular sheath of the utility model.

[0018] In the figure: 1. Silicone mounting seat body; 101. Sheath body; 102. Needle; 2. Threaded connector; 201. Extension catheter; 202. Tee; 203. Cross support plate; 204. Compression spring; 205. Sliding retaining ring; 206. Support baffle; 3. Connecting block; 301. Medical elastic band; 302. Velcro 1; 303. Velcro 2; 304. Gasket. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1-Figure 3 As shown, a jugular vein puncture and indwelling vascular sheath includes a silicone mounting seat body 1, a threaded connector 2 is provided on the surface of the silicone mounting seat body 1, and a cross support plate 203 is provided on the inner wall of the threaded connector 2, and a support baffle 206 is provided in the middle of the surface of the cross support plate 203. The advantage of this arrangement is that through the arrangement of the threaded connector 2, the expansion catheter 201 can be taken out before using the expansion catheter 201 to reduce the volume of the silicone mounting seat body 1, making the needle insertion more convenient.

[0021] Furthermore, a compression spring 204 is provided on the surface of the cross support plate 203, and a sliding retaining ring 205 is installed at the front end of the compression spring 204, and the sliding retaining ring 205 is slidably connected to the threaded connector 2. The advantage of this arrangement is that, through the arrangement of the compression spring 204 and the sliding retaining ring 205, when the extension catheter 201 is connected to the threaded connector 2, the compression spring 204 is pressed down to make the sliding retaining ring 205 slide downward, so that the extension catheter 201 is connected to the silicone mounting seat body 1.

[0022] Furthermore, an expansion conduit 201 is spirally installed on the surface of the threaded connector 2, and a three-way pipe 202 is provided at the front end of the expansion conduit 201. This setting is an existing device and will not be described in detail.

[0023] Furthermore, a sheath body 101 is disposed at the lower end of the silicone mounting seat body 1, and a needle 102 is disposed at the lower end of the sheath body 101. This arrangement is an existing device and will not be described in detail.

[0024] like Figure 4 As shown, connecting blocks 3 are provided on both side surfaces of the silicone mounting seat body 1, and a medical elastic band 301 is installed at the front end of the connecting block 3, a Velcro 1 302 is provided at the left end of the medical elastic band 301, and a Velcro 2 303 is provided at the right end of the medical elastic band 301. The advantage of this arrangement is that, through the arrangement of the medical elastic band 301, the silicone mounting seat body 1 can be completely fixed on the patient's neck after the needle 102 is inserted into the patient's neck, thereby preventing the silicone mounting seat body 1 from shaking and causing the needle 102 to deviate, causing harm to the patient.

[0025] Furthermore, a gasket 304 is provided on the rear end surface of the silicone mounting seat body 1, and the gasket 304 is made of a sponge with good air permeability. The advantage of this arrangement is that by setting the gasket 304, the silicone mounting seat body 1 can be raised to make it tilted, thereby reducing the damage of the needle 102 to the patient.

[0026] Working principle: When using the jugular vein puncture and indwelling vascular sheath, first, insert the silicone mounting seat body 1 with the sheath body 101 and the needle 102 into the patient's neck, pull the medical elastic band 301 to make it surround the patient's neck, and then use Velcro 1 302 and Velcro 2 303 to fix the medical elastic band 301 on the patient's neck to complete the puncture. If the expansion catheter 201 is needed, the expansion catheter 201 with the three-way tube 202 is rotated through the thread of the threaded connector 2, and the front end of the expansion catheter 201 contacts the sliding retaining ring 205, presses down the compression spring 204 to slide, and makes it detach from the support baffle 206, and then the silicone mounting seat body 1 is connected with the expansion catheter 201 for use. This is the working principle of the jugular vein puncture and indwelling vascular sheath.

Claims

1. A jugular vein puncture and indwelling vascular sheath, comprising a silicone mounting seat body (1), characterized in that: The surface of the silicone mounting seat body (1) is provided with a threaded connector (2), and the inner wall of the threaded connector (2) is provided with a cross support plate (203), and a support baffle (206) is provided in the middle of the surface of the cross support plate (203), the surface of the cross support plate (203) is provided with a compression spring (204), and the front end of the compression spring (204) is provided with a sliding retaining ring (205), and the sliding retaining ring (205) and the threaded connector (2) are in sliding connection, and the surface of the threaded connector (2) is spirally provided with an expansion catheter (201), and the front end of the expansion catheter (201) is provided with a three-way pipe (202).

2. A jugular vein puncture and indwelling vascular sheath according to claim 1, characterized in that: A sheath body (101) is disposed at the lower end of the silicone mounting seat body (1), and a needle head (102) is disposed at the lower end of the sheath body (101).

3. A jugular vein puncture and indwelling vascular sheath according to claim 1, characterized in that: The surfaces of both sides of the silicone mounting seat body (1) are provided with connecting blocks (3), and the front end of the connecting block (3) is installed with a medical elastic band (301).

4. A jugular vein puncture and indwelling vascular sheath according to claim 3, characterized in that: The left end of the medical elastic band (301) is provided with a Velcro 1 (302), and the right end of the medical elastic band (301) is provided with a Velcro 2 (303).

5. A jugular vein puncture and indwelling vascular sheath according to claim 1, characterized in that: A gasket (304) is provided on the rear end surface of the silica gel mounting seat body (1), and the gasket (304) is made of sponge with good air permeability.

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