CN222708821U - Internal jugular vein catheter delivery device - Google Patents

Abstract

The utility model discloses an internal jugular vein catheterization conveying device which comprises a puncture needle head, a two-way valve, a vacuum negative pressure sleeve, a guide wire assembly and a guide wire assembly, wherein the puncture needle head is communicated with the outlet end of the two-way valve, the vacuum negative pressure sleeve is communicated with any inlet end of the two-way valve, the guide wire assembly comprises a connecting sleeve and a guide wire body, the connecting sleeve is communicated with any inlet end of the two-way valve, the guide wire body is glidingly arranged in the connecting sleeve, and when the connecting sleeve is communicated with the outlet end of the two-way valve, the guide wire body stretches into the puncture needle head through the outlet end. The internal jugular vein catheterization conveying device can reduce the material drawing back and forth operation in the operation process, ensure that the needle head is stably fixed in the puncturing process, prevent displacement and increase the puncturing success rate.

Description

Internal jugular vein catheterization conveying device

Technical Field

The utility model relates to an internal jugular vein catheterization conveying device, and belongs to the technical field of medical appliances.

Background

Clinically, the internal jugular vein puncture tube can provide an infusion channel for patients with difficult peripheral vein puncture, and can also provide guarantee for rapid infusion and postoperative vein high nutrition treatment of hemorrhagic shock patients, so that the internal jugular vein puncture tube is a common clinical operation in surgical patients.

The existing internal jugular vein puncture tube placing operation is carried out by separating puncture needle cylinder placing and guide wire placing, on one hand, a doctor needs to take consumable materials back and forth from an operation panel, which is not beneficial to operation, and on the other hand, in the process of taking guide wires from the operation panel, the hand is difficult to ensure the fixation of the puncture needle cylinder, the puncture needle cylinder is easy to move in a blood vessel, and the difficulty is increased for the subsequent guide wire placing, so that the problem to be improved exists.

Disclosure of utility model

The utility model aims to solve the technical problems that the prior internal jugular vein puncture catheter-placing operation needs to draw materials back and forth, the operation is inconvenient, and the puncture needle is easy to move in the process of drawing materials back and forth, so that the difficulty in placing a guide wire is increased.

In order to solve the technical problems, the utility model provides the internal jugular vein catheterization conveying device, which can reduce the material drawing back and forth operation in the operation process, ensure that a needle head is stably fixed in the puncture process, prevent displacement and increase the puncture success rate.

In order to achieve the technical purpose and the technical effect, the application is realized by the following technical scheme:

the internal jugular vein catheterization conveying device comprises a puncture needle, a two-way valve and a vacuum negative pressure sleeve, wherein the puncture needle is communicated with the outlet end of the two-way valve, and the vacuum negative pressure sleeve is communicated with any inlet end of the two-way valve;

The guide wire assembly comprises a connecting sleeve and a guide wire body, wherein the connecting sleeve is communicated with any inlet end of the two-way valve, the guide wire body slides and penetrates through the connecting sleeve, and when the connecting sleeve is communicated with the outlet end of the two-way valve, the guide wire body stretches into the puncture needle through the outlet end.

Preferably, the vacuum negative pressure sleeve comprises a vacuum tube and an elastic rubber plug, the vacuum tube is hollow, one end of the vacuum tube is open, the elastic rubber plug is inserted into the opening of the vacuum tube, a plug hole is formed in the elastic rubber plug, a connecting needle tube is detachably arranged at any inlet end of the two-way valve, and the connecting needle tube is inserted into the plug hole and extends into the inner cavity of the vacuum tube.

Further, a sealing cover is detachably sleeved on the connecting needle tube.

Preferably, the connecting conduit is a cylindrical tube and is arranged in a curled shape.

Preferably, the guide wire body comprises an axial guide wire, a spring ring and a safety guide wire, wherein the spring ring is wound outside the axial guide wire, and the tail end of the axial guide wire is communicated with the tail end of the spring ring through the safety guide wire.

Further, the guide wire body is coated with a hydrophilic polymer layer.

The internal jugular vein catheterization conveying device provided by the utility model has the following advantages:

1. According to the internal jugular vein catheterization conveying device, the bidirectional valve and the puncture needle head are added at the front section of the guide wire, one side of the bidirectional valve is connected with the negative pressure vacuum sleeve, and the other side of the bidirectional valve is connected with the guide wire, so that the puncture needle cylinder and the guide wire are integrated, the use of a puncture kit is optimized under the condition that the length and the thickness of the guide wire are not changed, the complicated material drawing work in the operation process is reduced, an operator can grasp and fix the needle head more stably in the puncture process, displacement is prevented, and the puncture success rate is increased.

2. According to the internal jugular vein catheterization conveying device, through the arrangement of the vacuum negative pressure sleeve, after the puncture needle head enters the internal jugular vein, blood can enter the vacuum negative pressure sleeve from one of the valves to prompt that the puncture needle head enters a blood vessel, and through the plug-in fit of the connecting needle tube and the elastic rubber plug in the vacuum negative pressure sleeve, the effect that the prompt effect cannot be realized due to the fact that the vacuum negative pressure sleeve is inserted into the internal entering air too early can be prevented.

3. The internal jugular vein catheterization conveying device has high clinical operability, practicability and feasibility, simple structure and is beneficial to production and clinical application and popularization.

Drawings

FIG. 1 is an isometric view of an overall structure of a connecting needle tube of an internal jugular vein catheterization conveying device in a sealing cover state according to the present utility model;

FIG. 2 is an isometric view of the overall structure of the internal jugular vein catheterization delivery device according to the present utility model when connected to a vacuum negative pressure sleeve;

FIG. 3 is an exploded view of the overall structure of the present utility model, mainly embodying a jugular intravenous catheter delivery device, coupled to a vacuum negative pressure sleeve;

In the figure:

1-puncture needle head, 2-two-way valve, 3-vacuum negative pressure sleeve, 31-vacuum tube, 32-elastic rubber plug, 321-plug hole, 4-connecting needle tube, 5-sealing cover, 6-guide wire component, 61-connecting sleeve, 62-guide wire body, 621-axial guide wire, 622-spring ring and 623-safety guide wire.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1-3, an internal jugular vein catheterization conveying device comprises a puncture needle head 1, a two-way valve 2 and a vacuum negative pressure sleeve 3, wherein the puncture needle head 1 is communicated with the outlet end of the two-way valve 2, the vacuum negative pressure sleeve 3 is communicated with any inlet end of the two-way valve 2, when puncture operation is carried out, the outlet end of the two-way valve 2 is communicated with the vacuum negative pressure sleeve 3, and after the puncture needle head 1 enters an internal jugular vein, blood can enter the vacuum negative pressure sleeve 3 from the two-way valve 2, so that the needle head of the two-way valve 2 is prompted to enter a blood vessel, and medical staff can enter the next medical operation more quickly.

In a further embodiment, the vacuum negative pressure sleeve 3 comprises a vacuum tube 31 and an elastic rubber plug 32, the vacuum tube 31 is provided with a transparent tube body in a hollow mode, one end of the transparent tube body is open, the elastic rubber plug 32 is inserted and fixed at the opening of the vacuum tube 31, the elastic rubber plug 32 is provided with an inserting hole 321, any inlet end of the two-way valve 2 is fixedly provided with a connecting needle tube 4 through a bolt, one end outer wall of the connecting needle tube 4, deviating from the two-way valve 2, is sleeved with a sealing cover 5, when puncture operation is carried out, the sealing cover 5 is pulled out, the connecting needle tube 4 and the inserting hole 321 are inserted and extend into an inner cavity of the vacuum tube 31, further blood suction is achieved through vacuum negative pressure in the vacuum tube 31, the sealing of the inserting hole 321 can be guaranteed when the vacuum negative pressure sleeve 3 is not used, and when operation is carried out through the vacuum negative pressure sleeve 3, the sealing performance between the inner wall of the inserting hole 321 and the connecting needle tube 4 can be guaranteed, normal suction of blood is guaranteed, and therefore a prompting function is better achieved.

Referring to fig. 1-3, an internal jugular vein catheterization conveying device further includes a guide wire assembly 6, the guide wire assembly 6 includes a connection sleeve 61 and a guide wire body 62, the connection sleeve 61 is communicated with any inlet end of the bi-directional valve 2, that is, the connection sleeve 61 and the vacuum negative pressure sleeve 3 can be installed at any selected position, the guide wire body 62 slides and passes through the connection sleeve 61, and when the connection sleeve 61 is communicated with the outlet end of the bi-directional valve 2, the guide wire body 62 extends into the puncture needle 1 through the outlet end of the bi-directional valve 2, so as to extend into a human blood vessel through the puncture needle 1.

In further embodiments, the connecting conduit is a cylindrical tube and is in a curled shape, the curled shape is convenient for a medical staff to grasp, meanwhile, the connecting conduit can be prevented from being too long and inconvenient to operate, and in practical application, the outer walls of the connecting conduit in a curled state can be connected and fixed through a buckle, so that the connecting conduit is more convenient and stable to grasp.

Referring to fig. 1-3, in a further embodiment, the guide wire body 62 includes an axial guide wire 621, a spring ring 622 and a safety guide wire 623, the spring ring 622 is a stainless steel spring ring 622, the spring ring 622 is wound around the axial guide wire 621, the axial guide wire 621 is used for ensuring the hardness of the guide wire body 62, and the head end of the axial guide wire 621 is a tapered tip, so that the head end is softer, the tail end of the axial guide wire 621 is communicated with the tail end of the spring ring 622 through the safety guide wire 623, and the axial guide wire 621 is prevented from being separated from the spring ring 622.

In a further embodiment, the guide wire body 62 is coated with a hydrophilic polymer layer (not shown in the figures), which may be a polytetrafluoroethylene layer to increase the smoothness of the guide wire body 62, which is beneficial for guide wire advancement and catheter/guide wire exchange.

The utility model relates to an internal jugular vein catheterization conveying device, which comprises the following operation steps:

(1) Exposing the internal jugular vein puncture part, and sterilizing the towel.

(2) The internal jugular vein was confirmed by observation under ultrasound, and the puncture needle 1 penetrated the skin at an angle of 45 degrees to the skin.

(3) After the puncture needle head 1 enters the internal jugular vein, blood can enter the vacuum negative pressure sleeve 3 from one valve to prompt that the puncture needle head 1 enters the blood vessel.

(4) Finally, the guide wire body 62 is sent into the internal jugular vein from another valve, and no resistance prompts that the guide wire body 62 is successfully placed. The puncture needle 1 is withdrawn, the skin is expanded, and the catheter is placed into the internal jugular vein.

While the utility model has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Those skilled in the art will appreciate that many modifications, adaptations and variations of the present utility model can be made using the techniques disclosed herein without departing from the spirit and scope of the utility model, and that many modifications, adaptations and variations of the present utility model are within the scope of the utility model as defined by the appended claims.

Claims (6)

1. The internal jugular vein catheterization conveying device is characterized by comprising a puncture needle head (1), a two-way valve (2) and a vacuum negative pressure sleeve (3), wherein the puncture needle head (1) is communicated with the outlet end of the two-way valve (2), and the vacuum negative pressure sleeve (3) is communicated with any inlet end of the two-way valve (2);

Still include seal wire subassembly (6), seal wire subassembly (6) include adapter sleeve (61) and seal wire body (62), arbitrary entrance point intercommunication of adapter sleeve (61) and two-way valve (2), seal wire body (62) slip wears to establish in adapter sleeve (61), and when adapter sleeve (61) and two-way valve (2) exit end intercommunication, seal wire body (62) stretch into in puncture syringe needle (1) through the exit end.

2. The internal jugular vein catheterization conveying device according to claim 1, wherein the vacuum negative pressure sleeve (3) comprises a vacuum tube (31) and an elastic rubber plug (32), the vacuum tube (31) is hollow, one end of the vacuum tube is open, the elastic rubber plug (32) is inserted into the opening of the vacuum tube (31), the elastic rubber plug (32) is provided with an inserting hole (321), any inlet end of the two-way valve (2) is detachably provided with a connecting needle tube (4), and the connecting needle tube (4) and the inserting hole (321) are inserted into an inner cavity of the vacuum tube (31).

3. An internal jugular vein catheterization delivery apparatus according to claim 2, wherein said connecting needle tube (4) is detachably sleeved with a cover (5).

4. An internal jugular vein catheterization delivery apparatus according to claim 1 wherein said connection sleeve is a cylindrical tube and is configured in a coiled configuration.

5. The internal jugular vein catheterization conveying device according to claim 1, wherein the guide wire body (62) comprises an axial guide wire (621), a spring ring (622) and a safety guide wire (623), the spring ring (622) is wound outside the axial guide wire (621), and the tail end of the axial guide wire (621) is communicated with the tail end of the spring ring (622) through the safety guide wire (623).

6. An internal jugular vein catheterization delivery device according to claim 5 wherein said guidewire body (62) is coated with a hydrophilic polymer layer.