CN216755175U

CN216755175U - Femoral vein catheterization protection device

Info

Publication number: CN216755175U
Application number: CN202123051996.3U
Authority: CN
Inventors: 蒋娟; 易波; 唐楠; 唐又周; 刘纪实; 刘梦姿; 岳雄华; 张�浩
Original assignee: Third Xiangya Hospital of Central South University
Current assignee: Third Xiangya Hospital of Central South University
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-17
Anticipated expiration: 2031-12-07

Abstract

A femoral vein catheterization protection device comprises a hoop device fixed on a leg and a catheterization device arranged on the hoop device, wherein a swingable barrel is arranged in the catheterization device, an auxiliary needle head capable of being pushed to the outer side of the catheterization device is arranged in the barrel, the barrel can be inserted into a main needle head which is communicated with the auxiliary needle head and pushes the auxiliary needle head, and an opening capable of taking out the auxiliary needle head is arranged in the middle of the barrel; the auxiliary needle head is clamped at the front end of the inner part of the barrel body through a sliding rail device, the sliding rail device comprises a sliding seat and a spring, the sliding seat is sleeved on the auxiliary needle head and clamped in the barrel body in a clamping mode, and the spring is arranged on the sliding seat and located between the sliding seat and the front end of the inner part of the barrel body. The utility model can be well fixed on the leg part through the hoop device, and the aperture is adjustable and the applicability is large; the main needle can be inserted into the barrel body and communicated with the auxiliary needle, and then the auxiliary needle is pushed to the surface of the human body; the barrel can swing to facilitate insertion into the femoral vein at a proper angle, and the auxiliary needle can be conveniently taken out after use.

Description

Femoral vein catheterization protection device

Technical Field

The utility model belongs to an infusion device, and particularly relates to a femoral vein catheterization protection device.

Background

Acute and chronic renal failure, severe electrolyte disorder, severe drug poisoning and multi-organ dysfunction are common diseases in Intensive Care Unit (ICU), hemodialysis is one of effective means for treating the diseases, and vascular access is the key of success or failure of hemodialysis. For patients with poor peripheral vascular conditions and unable to establish internal fistula, patients who need temporary hemodialysis before the internal fistula is mature and patients who need short-term blood perfusion, the temporary vascular access provided by the femoral vein catheterization is the most effective means, and when a general femoral vein catheterization is installed on the body of a patient, the following two defects often exist:

1. the falling off is easily caused by long-term unfixed upside down placement on the legs of the patient, which causes fungal infection and bleeding at the needle hole, causes unstable conditions of the patient and needs to be treated again;

2. general femoral vein catheterization is single syringe needle, and single syringe needle makes the patient unable removal, if special circumstances takes place to need the patient to remove or the mistake touches the syringe needle, can cause femoral vein vascular skin to break to lead to the condition of internal hemorrhage, seriously endanger the health of disease.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects and shortcomings mentioned in the background technology and provide a femoral vein catheterization protection device

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a protection device is put to femoral vein, is including being used for being fixed in the staple bolt device of shank to and locate putting the pipe device on the staple bolt device, put and be equipped with wobbling barrel in the pipe device, be equipped with in the barrel and can push away to putting the supplementary syringe needle in the pipe device outside, the barrel can insert and just promote the main syringe needle of supplementary syringe needle with supplementary syringe needle intercommunication, the middle part of barrel is equipped with the opening that can take out supplementary syringe needle.

Furthermore, the auxiliary needle head is clamped at the front end of the inner part of the barrel body through a sliding rail device, the sliding rail device comprises a sliding seat and a spring, the sliding seat is sleeved on the auxiliary needle head and clamped in the barrel body, and the spring is arranged on the sliding seat and located between the sliding seat and the front end of the inner part of the barrel body. Through the sliding rail device, the auxiliary needle head moves forwards when pushed forwards and then moves backwards under the action of the spring.

Furthermore, the middle part of barrel is equipped with the stopper one of restriction main syringe needle depth of insertion, the front portion of barrel is equipped with the stopper two of restriction supplementary syringe needle depth of insertion, main syringe needle promotes forward and touches the stopper one time, and supplementary syringe needle also touches stopper two. The main needle head can push the auxiliary needle head to a proper position through the first limiting block and the second limiting block.

Furthermore, a sealing sleeve is arranged at the rear end of the auxiliary needle head, and the main needle head can penetrate through the sealing sleeve and is communicated with the auxiliary needle head.

Furthermore, the front end of the barrel body is a barrel head provided with a through hole, and the needle tube of the auxiliary needle head can penetrate through the through hole to the front end of the barrel head. The auxiliary needle head can be protected through the barrel head, and the through hole can be conveniently aligned to the femoral vein.

Furthermore, the front part and the rear part of the barrel are respectively provided with a hinge sleeve and a bolt, a hinge column connected with the hinge sleeve is arranged on a shell of the tube placing device, a sliding groove for clamping the bolt is arranged on the shell, and an adjusting nut capable of being fixed on the sliding groove is arranged at the outer end of the bolt. The through hole can be adjusted by the adjusting nut to align the femoral vein vessel at a proper angle.

Furthermore, a positioning ring is arranged around the front end of the shell, and positioning holes are uniformly formed in the positioning ring. Through the positioning holes, the position of the through hole on the surface of the human body can be determined.

Furthermore, the hoop device comprises a hoop hinged through a hinged joint, the pipe placing device is arranged on the hoop, and a groove is formed in the inner side of the hinged joint. The groove is arranged on the inner side of the hinged joint, so that the legs can be prevented from being injured by clamping.

Compared with the prior art, the utility model has the beneficial effects that: the hoop device can be well fixed on the leg, the aperture is adjustable, and the applicability is high; the main needle can be inserted into the barrel body and communicated with the auxiliary needle, and then the auxiliary needle is pushed to the surface of the human body; the barrel can swing, so that the auxiliary needle can be conveniently inserted into femoral vein at a proper angle, and the auxiliary needle can be conveniently taken out after the auxiliary needle is used.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a tube insertion device according to the present invention.

FIG. 2 is a schematic view of the external structure of the tube insertion device of the present invention;

FIG. 3 is a schematic structural diagram of a hoop of the tube placing device of the present invention.

In the drawings:

1. encircling; 11. a hinge joint; 111. a groove; 2. a pipe placing device; 21. a housing; 211. a hinged column; 212. a chute; 213. adjusting the nut; 22. a barrel; 221. a hinge sleeve; 222. a bolt; 223. a first limiting block; 224. a second limiting block; 225. a cartridge head; 226. a through hole; 227. an opening; 3. a main needle head; 4. an auxiliary needle; 41. a needle tube; 42. sealing sleeves; 43. a slide base; 44. a spring; 5. a positioning ring; 51. and (7) positioning the holes.

Detailed Description

In order to facilitate understanding of the utility model, the utility model will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the utility model is not limited to the specific embodiments below.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1-3, a femoral vein catheterization protecting device comprises an anchor ear device fixed on a leg, and a catheterization device 2 arranged on the anchor ear device, wherein a swingable barrel 22 is arranged in the catheterization device 2, an auxiliary needle 4 capable of being pushed to the outer side of the catheterization device 2 is arranged in the barrel 22, the barrel 22 can be inserted into a main needle 3 which is communicated with the auxiliary needle 4 and pushes the auxiliary needle 4, and an opening 227 capable of taking out the auxiliary needle 4 is arranged in the middle of the barrel 22. The hoop device can be well fixed on the leg, the aperture is adjustable, and the applicability is high; the main needle 3 can be inserted into the barrel 22 and communicated with the auxiliary needle 4, and then the auxiliary needle 4 is pushed to the surface of the human body; the barrel 22 is swingable to facilitate insertion into the femoral vein at an appropriate angle and the auxiliary needle 4 can be conveniently removed after use.

The auxiliary needle 4 is clamped at the front end of the interior of the barrel 22 through a sliding rail device, the sliding rail device comprises a sliding seat 43 and a spring 44, the sliding seat 43 is sleeved on the auxiliary needle 4 and is clamped in the interior of the barrel 22, and the spring 44 is arranged on the sliding seat 43 and is located between the sliding seat 43 and the front end of the interior of the barrel 22. By means of the slide rail arrangement, the auxiliary needle 4 moves forward when pushed forward and then moves backward under the action of the spring 44.

The middle part of barrel 22 is equipped with the stopper one 223 of restriction main syringe needle 3 depth of insertion, and the front portion of barrel 22 is equipped with the stopper two 224 of restriction auxiliary syringe needle 4 depth of insertion, and main syringe needle 3 promotes forward and touches stopper one 223, and auxiliary syringe needle 4 also touches stopper two 224. The first limit block 223 and the second limit block 224 can enable the main needle 3 to push the auxiliary needle 4 to a proper position.

The rear end of the auxiliary needle 4 is provided with a sealing sleeve 42, and the main needle 3 can pass through the sealing sleeve 42 and is communicated with the auxiliary needle 4.

The front end of the barrel 22 is a barrel head 225 provided with a through hole 226, and the needle tube 41 of the auxiliary needle 4 can penetrate through the through hole 226 to the front end of the barrel head 225. The auxiliary needle 4 is protected by the barrel head 225 and the through hole 226 is conveniently aligned with the femoral vein. The front part and the rear part of the cylinder 22 are respectively provided with a hinge sleeve 221 and a bolt 222, the shell 21 of the tube placing device 2 is provided with a hinge column 211 connected with the hinge sleeve 221, the shell 21 is provided with a sliding groove 212 for clamping the bolt 222, and the outer end of the bolt 222 is provided with an adjusting nut 213 which can be fixed on the sliding groove 212. The through hole 226 can be adjusted by adjusting the nut 213 to align the femoral vein vessel at a proper angle.

A positioning ring 5 is arranged around the front end of the shell 21, and positioning holes 51 are uniformly arranged on the positioning ring 5. Through the positioning hole 51, the position of the through hole 226 on the surface of the human body can be determined. The hoop device comprises a hoop 1 hinged through a hinge joint 11, the pipe placing device 2 is arranged on the hoop 1, and a groove 111 is formed in the inner side of the hinge joint 11. By providing the recess 111 on the inner side of the joint 11, the leg can be prevented from being pinched.

Claims

1. The utility model provides a protection device is managed to femoral vein, its characterized in that, is including being used for being fixed in the staple bolt device of shank to and locate the pipe device of putting on the staple bolt device, put and be equipped with wobbling barrel in the pipe device, be equipped with the supplementary syringe needle that can push to putting the pipe device outside in the barrel, the barrel can insert and just promote the main syringe needle of supplementary syringe needle with supplementary syringe needle intercommunication.

2. The femoral vein catheterization protection device of claim 1, wherein the auxiliary needle is sleeved on the inner front end of the barrel body through a sliding rail device, the sliding rail device comprises a sliding seat and a spring, the sliding seat is sleeved on the auxiliary needle and is sleeved in the barrel body, and the spring is arranged on the sliding seat and is positioned between the sliding seat and the inner front end of the barrel body.

3. The femoral vein catheterization protection device of claim 2, wherein the middle part of the barrel is provided with a first limit block for limiting the insertion depth of the main needle, the front part of the barrel is provided with a second limit block for limiting the insertion depth of the auxiliary needle, and when the main needle is pushed forward to touch the first limit block, the auxiliary needle also touches the second limit block.

4. The femoral vein catheterization protection device of claim 3, wherein the rear end of the auxiliary needle is provided with a sealing sleeve, and the main needle can pass through the sealing sleeve and is communicated with the auxiliary needle.

5. The femoral vein catheterization protective device of claim 4, wherein the front end of the barrel body is a barrel head provided with a through hole, and the needle tube of the auxiliary needle can penetrate through the through hole to the front end of the barrel head.

6. The femoral vein catheterization protection device of claim 5, wherein the front part and the rear part of the barrel are respectively provided with a hinge sleeve and a bolt, a hinge column connected with the hinge sleeve is arranged on a shell of the catheterization device, a sliding groove for clamping the bolt is arranged on the shell, and an adjusting nut capable of being fixed on the sliding groove is arranged at the outer end of the bolt.

7. The femoral vein catheterization protective device of claim 6, wherein a positioning ring is arranged around the front end of the shell, and positioning holes are uniformly arranged on the positioning ring.

8. The femoral vein catheterization protection device of claim 7, wherein the hoop device comprises a hoop hinged by a hinge joint, the catheterization device is arranged on the hoop, and the inner side of the hinge joint is provided with a groove.