CN215083407U

CN215083407U - A self-adhesive indwelling needle

Info

Publication number: CN215083407U
Application number: CN202121541637.3U
Authority: CN
Inventors: 曹楚楚
Original assignee: Affiliated Hospital of Xuzhou Medical University
Current assignee: Affiliated Hospital of Xuzhou Medical University
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-12-10
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a self-adhesive indwelling needle, comprising a puncture needle, an indwelling catheter and a catheter seat are sleeved on the puncture needle, the indwelling catheter is fixed on the catheter seat, and the inner part of the catheter seat is fixed There is an air isolation plug, the puncture needle passes through the air isolation plug, a needle holding handle is fixed on one end of the puncture needle away from the indwelling catheter, a sticking mechanism is arranged on the catheter holder, and the catheter holder is provided with a sticking mechanism. An extension pipe is communicated with, a positive pressure joint is fixed at one end of the extension pipe away from the catheter seat, and a one-handed shut-off clip is arranged on the extension pipe. The utility model uses the sticking mechanism to stick and fix the catheter holder, so as to better fix the indwelling needle, increase the service life of the indwelling needle, reduce the probability of vascular injury of the patient, and reduce the economic burden of the patient. When the puncture needle is pulled out, the opening and closing of the extension tube can be conveniently controlled by the one-handed interception clip, the operation is simple and fast, and the practicability is good.

Description

Self-adhesive remaining needle

Technical Field

The utility model relates to the technical field of medical equipment, specifically a needle is kept somewhere to self-adhesive formula.

Background

The use of the indwelling needle can reduce the pain of the patient caused by repeated venipuncture and the fear of injection, reduce the anxiety of the patient, facilitate clinical medication, help the critical patient to take medicine for rescue, reduce the workload of nurses and reduce the pain of the patient, so the venous indwelling needle is widely applied clinically.

The existing indwelling needle used clinically is not firm in fixation, and the indwelling catheter can change in position along with the movement of blood vessels and limbs when the indwelling needle is used, so that the indwelling catheter can be bent in the blood vessels to damage the blood vessels of patients, and the effective service life of the indwelling needle is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a needle is kept somewhere to self-adhesive formula utilizes pasting mechanism to paste fixedly to the pipe seat to the needle is kept somewhere to better fixing, increases the life of keeping somewhere the needle, reduces patient's vascular damage probability, reduces patient's economic burden, can extract the pjncture needle conveniently after the puncture through holding the needle handle, can conveniently control the switching of extension pipe through the singlehanded closure clamp, easy operation, swift, the practicality is good, in order 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 self-adhesive indwelling needle comprises a puncture needle, wherein an indwelling catheter and a catheter seat are sleeved on the puncture needle, the indwelling catheter is fixed on the catheter seat, an air isolation plug is fixed inside the catheter seat, the puncture needle penetrates through the air isolation plug, one end of the indwelling catheter, away from the puncture needle, is fixedly provided with a needle holding handle, a sticking mechanism is arranged on the catheter seat, an extension pipe is communicated with the catheter seat, a positive pressure connector is fixed at one end of the catheter seat, away from the extension pipe, and a single-hand closure clamp is arranged on the extension pipe.

As the utility model discloses a needle is preferred is kept somewhere to self-adhesive type, can dismantle on the pipe seat and be connected with the guide cylinder, the guide way has been seted up on the guide cylinder, it is fixed with the lantern ring on the needle handle to hold, be fixed with the connecting block on the lantern ring, connecting block sliding connection be in the guide way, be fixed with fixed cover on the connecting block, the pjncture needle is kept away from the one end of keeping somewhere the pipe is fixed on the fixed cover.

As the self-adhesive indwelling needle of the utility model is preferable, the needle holding handle is provided with a plurality of convex points.

As the utility model discloses a needle is preferred is kept somewhere to self-adhesive type, paste the mechanism and include that the stickness dressing pastes and leaves type paper, the stickness dressing pastes and bonds on the pipe seat, it bonds to leave type paper the stickness dressing pastes.

As the utility model discloses a needle is preferred is kept somewhere to self-adhesive type, paste the mechanism and include that stickness dressing pastes, leaves type paper, silica gel sleeve pipe and silica gel fixed plate, the silica gel sleeve pipe is fixed on the pipe seat, the silica gel fixed plate is fixed on the silica gel sleeve pipe, stickness dressing pastes and bonds on the silica gel fixed plate, it bonds on the stickness dressing to leave type paper.

As the utility model discloses a needle is preferred is kept somewhere to self-adhesive type, be provided with the hand on the release paper and tear the extension.

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

finish at the pjncture needle puncture, keep somewhere the back in the pipe gets into the blood vessel, utilize pasting mechanism to paste fixedly to the pipe seat to the needle is kept somewhere to better the fixed, increases the life of keeping somewhere the needle, reduces patient's vascular damage probability, reduces patient's economic burden, can extract the pjncture needle conveniently after the puncture through holding the needle handle, can conveniently control the switching of extension pipe through the singlehanded clamp that dams, easy operation, swift, the practicality is good.

Drawings

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

fig. 2 is a schematic structural diagram of another view angle according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the puncture needle, the indwelling catheter, the catheter hub and the guide cylinder of the present invention;

FIG. 4 is a schematic view of the connection of the needle holding handle, the sleeve ring, the connecting block and the fixing sleeve of the present invention;

fig. 5 is a schematic structural diagram of a pasting mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another embodiment of the present invention;

fig. 7 is a schematic structural diagram of another view angle according to another embodiment of the present invention;

fig. 8 is a schematic structural diagram of an adhering mechanism according to another embodiment of the present invention.

In the figure: 1. puncturing needle; 2. an indwelling catheter; 3. a catheter hub; 4. an air isolation plug; 5. a needle holding handle; 6. a sticking mechanism; 601. an adhesive dressing; 602. release paper; 603. a silica gel sleeve; 604. a silica gel fixing plate; 7. an extension tube; 8. a positive pressure joint; 9. a single-hand closure clip; 10. a guide cylinder; 11. a guide groove; 12. a collar; 13. connecting blocks; 14. fixing a sleeve; 15. the extension is torn by hand.

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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Example 1

Please refer to fig. 1-5, the utility model provides a self-adhesive indwelling needle, including pjncture needle 1, the cover is equipped with indwelling catheter 2 and pipe seat 3 on pjncture needle 1, indwelling catheter 2 fixes on pipe seat 3, the inside of pipe seat 3 is fixed with air isolation stopper 4, pjncture needle 1 passes air isolation stopper 4, pjncture needle 1 keeps away from one of indwelling catheter 2 and serves and be fixed with needle handle 5, be provided with pasting mechanism 6 on pipe seat 3, the intercommunication has extension pipe 7 on pipe seat 3, the one end that pipe seat 3 was kept away from to extension pipe 7 is fixed with malleation joint 8, be provided with one-hand on the extension pipe 7 and cut off the clamp 9.

Finish puncturing at pjncture needle 1, keep somewhere back in catheter 2 gets into the blood vessel, utilize pasting mechanism 6 to paste fixedly catheter holder 3 to better fixed needle of keeping somewhere, increase the life who keeps somewhere the needle, reduce patient's vascular damage probability, reduce patient's economic burden, can conveniently extract pjncture needle 1 after the puncture through holding needle handle 5, but the switching of clamp 9 convenient control extension pipe 7 dams through the one hand, easy operation, swift, the practicality is good.

As a technical optimization scheme, can dismantle on the pipe seat 3 and be connected with guide cylinder 10, guide way 11 has been seted up on the guide cylinder 10, be fixed with the lantern ring 12 on holding needle handle 5, be fixed with connecting block 13 on the lantern ring 12, connecting block 13 sliding connection is at guide way 11, be fixed with fixed cover 14 on the connecting block 13, the one end that keeps somewhere pipe 2 is kept away from to pjncture needle 1 is fixed on fixed cover 14, utilize pjncture needle 1 puncture to finish the back, when extracting pjncture needle 1, connecting block 13 can slide along guide way 11, and then make pjncture needle 1 taken out along guide cylinder 10, make it can not take place crooked at the in-process of extracting pjncture needle 1, reduce patient's painful sense.

As a technical optimization scheme of the utility model, hold and be provided with a plurality of salient points on the needle handle 5, increase the frictional force of holding needle handle 5 and finger, guarantee to point and hold between the fingers stability when holding needle handle 5.

As a technical optimization scheme of the utility model, pasting mechanism 6 includes that stickness dressing pastes 601 and leaves type paper 602, stickness dressing pastes 601 and bonds on catheter hub 3, from type paper 602 bonding on stickness dressing pastes 601, finishes the puncture and extracts the back with pjncture needle 1, reveals can paste catheter hub 3 on patient's skin through stickness dressing pastes 601 behind type paper 602 for should keep somewhere that the needle is fixed more stable.

As a technical optimization scheme of the utility model, as the utility model discloses a technical optimization scheme is provided with the hand on the release paper 602 and tears extension 15, utilizes the hand to tear extension 15 and can more conveniently take off release paper 602.

Example 2

Referring to fig. 6-8, the present invention provides a self-adhesive indwelling needle, which is different from embodiment 1 in the structure of the sticking mechanism 6, and is as follows:

paste mechanism 6 and paste 601 including stickup dressing, from type paper 602, silica gel sleeve pipe 603 and silica gel fixed plate 604, silica gel sleeve pipe 603 is fixed on catheter hub 3, silica gel fixed plate 604 is fixed on silica gel sleeve pipe 603, the stickup dressing pastes bonding on 601 on silica gel fixed plate 604, it pastes 601 on stickup dressing to bond from type paper 602, after the puncture finishes extracting pjncture needle 1, reveal can paste silica gel fixed plate 604 on patient's skin through stickup dressing subsides 601 behind type paper 602, and then fix silica gel sleeve pipe 603 and catheter hub 3 on patient's skin, and silica gel fixed plate 604 can increase the area of contact with patient's skin, make paste ground more firm, and then make this keep somewhere the needle fixed more stable.

The structure principle is as follows: during the use, hold between the fingers and hold needle handle 5 and puncture through pjncture needle 1 for keep somewhere behind catheter 2 the venous blood vessel of patient and extract pjncture needle 1 again, after the puncture finishes, utilize pasting mechanism 6 to paste catheter holder 3 and fix on patient's skin, can connect the transfer line through malleation joint 8 and infuse to this keep somewhere needle after fixing again, can conveniently close extension pipe 7 through one hand during the clamp 9 that dams when no longer needing the infusion.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. a self-adhesive indwelling needle is characterized in that: comprise puncture needle (1), described puncture needle (1) is sleeved with indwelling catheter (2) and catheter seat (3), described indwelling catheter (2) ) is fixed on the catheter hub (3), an air isolation plug (4) is fixed inside the catheter hub (3), the puncture needle (1) passes through the air isolation plug (4), and the A needle holding handle (5) is fixed on one end of the puncture needle (1) away from the indwelling catheter (2), a sticking mechanism (6) is arranged on the catheter seat (3), and the catheter seat (3) is communicated with There is an extension pipe (7), the end of the extension pipe (7) away from the catheter holder (3) is fixed with a positive pressure joint (8), and a one-handed shut-off clip (9) is arranged on the extension pipe (7) .

2 . The self-adhesive indwelling needle according to claim 1 , wherein a guide cylinder ( 10 ) is detachably connected to the catheter holder ( 3 ), and a guide cylinder ( 10 ) is provided with a guide. 3 . a groove (11), a collar (12) is fixed on the needle handle (5), a connecting block (13) is fixed on the collar (12), and the connecting block (13) is slidably connected to the A guide groove (11), a fixing sleeve (14) is fixed on the connecting block (13), and the end of the puncture needle (1) away from the indwelling catheter (2) is fixed on the fixing sleeve (14).

3. A self-adhesive indwelling needle according to claim 1, characterized in that: the needle holding handle (5) is provided with a plurality of raised points.

4. The self-adhesive indwelling needle according to claim 1, wherein the sticking mechanism (6) comprises an adhesive dressing (601) and a release paper (602), and the adhesive dressing (601) is bonded on the catheter holder (3), and the release paper (602) is bonded on the adhesive dressing (601).

5 . The self-adhesive indwelling needle according to claim 1 , wherein the sticking mechanism ( 6 ) comprises an adhesive dressing stick ( 601 ), a release paper ( 602 ), and a silicone sleeve ( 603 ). 6 . and a silicone fixing plate (604), the silicone sleeve (603) is fixed on the catheter holder (3), the silicone fixing plate (604) is fixed on the silicone sleeve (603), the adhesive The adhesive dressing (601) is adhered on the silica gel fixing plate (604), and the release paper (602) is adhered on the adhesive dressing (601).

6. The self-adhesive indwelling needle according to claim 4 or 5, characterized in that: the release paper (602) is provided with a hand-tear extension (15).