CN217310493U

CN217310493U - Puncture needle for transfusion

Info

Publication number: CN217310493U
Application number: CN202122973990.5U
Authority: CN
Inventors: 孟文文; 郑伟
Original assignee: Beijing North Medical District Of Pla General Hospital
Current assignee: Beijing North Medical District Of Pla General Hospital
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-08-30
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a pjncture needle for infusion relates to operation medical instrument technical field, include: a puncture seat; the puncture needle is arranged on the inner wall of the puncture seat; the transfusion part is arranged at one end of the puncture needle; an adjustment mechanism. The utility model discloses a set up adjustment mechanism, when the degree of depth to the puncture needle puncture is adjusted, promote the slider and slide at the inner wall of spout, the slider slides and drives the movable block and carry out the displacement, the slider displacement shelters from the puncture needle, thereby adjust the length of puncture needle, and then adjust the puncture depth of puncture needle, accomplish the fixed cover of downward push, fixed cover displacement slides at the outer wall of slider, fixed cover displacement gets into the fixed slot and fixes the movable block, the rubber block gets into the spacing groove from the recess through the movable groove simultaneously, fix fixed cover, be convenient for adjust the puncture depth of puncture needle.

Description

Puncture needle for transfusion

Technical Field

The utility model relates to the technical field of surgical medical instruments, in particular to a puncture needle for transfusion.

Background

Because some etiology or need the first aid state, the doctor needs to punch on patient's sclerotin with the bone drill and carry out the injection of medicine, traditional venous transfusion takes 12 minutes on average to establish, and just can establish the venous transfusion route through the marrow cavity in 1 minute, won the valuable time for the life of rescuing patient, current puncture needle core all is the polished rod structure, and be provided with the cutting edge at its tip, puncture needle core directly inserts, be fixed in puncture seat, and generally adhere with the help of glue, in the preparation stage of the infusion of marrow cavity, need drive puncture needle core with the help of the bone marrow rifle and rotate in order to puncture periosteum and cortex of bone and enter the marrow cavity.

However, in the process of using the puncture needle for marrow cavity transfusion, when a wounded person transfuses the transfusion urgently, the depth of the puncture needle for marrow puncture of the wounded person is not easy to be grasped, and the treatment is influenced, so that the puncture needle for transfusion is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pjncture needle for infusion to solve the problem that provides among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a puncture needle for infusion, comprising:

a puncture seat;

the puncture needle is arranged on the inner wall of the puncture seat;

the transfusion part is arranged at one end of the puncture needle;

the adjusting mechanisms are arranged inside and outside the puncture seat and are used for adjusting the length of the puncture needle;

the splitting mechanism is arranged between the puncture seat and the puncture needle and used for rapidly detaching the puncture needle.

As the utility model discloses further scheme again: adjustment mechanism includes movable block and spout, movable block sliding connection in the inner wall of puncture seat just is located the outer wall of pjncture needle, the spout set up in the outer wall of puncture seat and run through to the inner wall of puncture seat, the inner wall of spout is provided with the fixed slot, the outer wall fixedly connected with of movable block is located the slider of spout inner wall, the outer wall sliding connection of slider has fixed cover, the outer wall both sides of slider with fixed cover fixedly connected with block rubber of being connected, the inner wall of fixed cover is provided with the spacing groove, the inner wall of fixed cover is located the below of spacing groove is provided with the recess.

As the utility model discloses further scheme again: the split mechanism includes connecting block and spread groove, connecting block fixed connection in the other end of pjncture needle, the spread groove set up in the inner wall other end of puncture seat, the internal connection of puncture seat have run through in the link of spread groove, the outer wall of connecting block be provided with run through in the through-hole of link, be connected with the plastics thin block between link and the puncture seat.

As a further aspect of the present invention: the inner wall of the movable block is attached to the outer wall of the puncture needle, the outer wall of the movable block is attached to the inner wall of the puncture seat, and the outer wall of the sliding block is attached to the inner wall of the sliding groove.

As a further aspect of the present invention: the outer wall of fixed cover with the inner wall of fixed slot is laminated mutually, the inner wall of fixed cover is located be provided with the movable groove between spacing groove and the recess.

As a further aspect of the present invention: the outer wall of the connecting block is attached to the inner wall of the connecting groove.

As a further aspect of the present invention: the outer wall of puncture seat be provided with run through in the mounting groove of spread groove, the inner wall of mounting groove with the outer wall of link is laminated mutually, the plastics thin block set up in between link and the mounting groove.

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

1. through the arrangement of the adjusting mechanism, when the puncture depth of the puncture needle is adjusted, the sliding block is pushed to slide on the inner wall of the sliding groove, the sliding block slides to drive the movable block to displace, the displacement of the sliding block shields the puncture needle, so that the length of the puncture needle is adjusted, the puncture depth of the puncture needle is adjusted, the fixed sleeve is pushed downwards after the displacement of the fixed sleeve is completed, the displacement of the fixed sleeve slides on the outer wall of the sliding block, the fixed sleeve displaces to enter the fixed groove to fix the movable block, meanwhile, the rubber block enters the limiting groove from the groove through the movable groove to fix the fixed sleeve, and the puncture depth of the puncture needle is convenient to adjust;

2. through setting up split mechanism, the link runs through in the connecting block through the through-hole, fixes the connecting block, uses the completion back at the pjncture needle, promotes the link hard, and plastics thin piece atress fracture takes out the link from the puncture seat, and the link position shifts out the through-hole, cancels the fixed to the connecting block for puncture seat and pjncture needle separation are convenient for carry out quick damage after using the completion to the puncture needle, avoid used repeatedly.

Drawings

FIG. 1 is a schematic view showing a structure of a puncture needle for infusion;

FIG. 2 is a schematic view showing the mounting of a movable block of a puncture needle for infusion;

FIG. 3 is a sectional view of a fixing hub of a puncture needle for infusion;

fig. 4 is a sectional view of a puncture seat of an infusion needle.

In the figure: 1. a puncture seat; 2. puncturing needles; 3. a transfusion part; 4. an adjustment mechanism; 401. a movable block; 402. a chute; 403. A fixing groove; 404. a slider; 405. fixing a sleeve; 406. a rubber block; 407. a limiting groove; 408. a groove; 5. a splitting mechanism; 501. connecting blocks; 502. connecting grooves; 503. a connecting frame; 504. a through hole; 505. a thin block of plastic.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a puncture needle for infusion includes:

a puncture base 1;

the puncture needle 2 is arranged on the inner wall of the puncture seat 1;

an infusion part 3, the infusion part 3 is arranged at one end of the puncture needle 2;

the adjusting mechanism 4 is arranged inside and outside the puncture seat 1, and is used for adjusting the length of the puncture needle 2;

the splitting mechanism 5 is arranged between the puncture seat 1 and the puncture needle 2, and is used for rapidly splitting the puncture needle 2.

This kind of a pjncture needle for marrow cavity infusion adjusts puncture needle 2's length through adjustment mechanism 4 to adjust puncture needle 2's puncture depth, carry out quick damage through split mechanism 5 to puncture needle 2 after using the completion, avoid used repeatedly.

In fig. 1-3: adjustment mechanism 4 includes movable block 401 and spout 402, movable block 401 sliding connection just is located the outer wall of pjncture needle 2 in the inner wall of puncture seat 1, spout 402 sets up in puncture seat 1's outer wall and runs through to puncture seat 1's inner wall, the inner wall of spout 402 is provided with fixed slot 403, the outer wall fixedly connected with of movable block 401 is located the slider 404 of spout 402 inner wall, the outer wall sliding connection of slider 404 has fixed cover 405, the outer wall both sides of slider 404 are connected with fixed cover 405 fixedly connected with block rubber 406, the inner wall of fixed cover 405 is provided with spacing groove 407, the below that the inner wall of fixed cover 405 is located spacing groove 407 is provided with recess 408.

This kind of a pjncture needle for marrow cavity infusion, when adjusting the degree of depth of puncture needle 2 puncture, promote slider 404 and slide at the inner wall of spout 402, slider 404 slides and drives movable block 401 and carry out the displacement, slider 404 displacement shelters from puncture needle 2, thereby adjust the length of puncture needle 2, and then adjust the puncture depth of puncture needle 2, accomplish the fixed cover 405 of backward push, fixed cover 405 displacement slides at the outer wall of slider 404, fixed cover 405 displacement gets into fixed slot 403 and fixes movable block 401, rubber block 406 gets into spacing groove 407 from recess 408 through the movable groove simultaneously, fix fixed cover 405.

In fig. 4: the splitting mechanism 5 comprises a connecting block 501 and a connecting groove 502, the connecting block 501 is fixedly connected to the other end of the puncture needle 2, the connecting groove 502 is arranged at the other end of the inner wall of the puncture seat 1, the inner part of the puncture seat 1 is connected with a connecting frame 503 which penetrates through the connecting groove 502, the outer wall of the connecting block 501 is provided with a through hole 504 which penetrates through the connecting frame 503, and a plastic thin block 505 is connected between the connecting frame 503 and the puncture seat 1.

This kind of a pjncture needle for infusion of marrow chamber, link 503 runs through in link 501 through-hole 504, fixes link 501, after pjncture needle 2 uses the completion, promotes link 503 hard, and plastics thin block 505 atress fracture takes out link 503 from puncture seat 1, and link 503 displacement goes out through-hole 504, cancels the fixed to link 501 for puncture seat 1 and pjncture needle 2 separation, carry out quick damage after being used to puncture needle 2 and accomplish.

In fig. 1-3: the inner wall of the movable block 401 is attached to the outer wall of the puncture needle 2, the outer wall of the movable block 401 is attached to the inner wall of the puncture seat 1, the outer wall of the sliding block 404 is attached to the inner wall of the sliding groove 402, the outer wall of the fixed sleeve 405 is attached to the inner wall of the fixed groove 403, and the inner wall of the fixed sleeve 405 is located between the limiting groove 407 and the groove 408 and is provided with a movable groove.

This kind of a pjncture needle for marrow cavity infusion, it slides at the inner wall of spout 402 to promote slider 404, slider 404 slides and drives movable block 401 and carry out the displacement, slider 404 displacement shelters from puncture needle 2, thereby adjust puncture needle 2's length, and then adjust puncture needle 2's the puncture depth, accomplish the fixed cover 405 of backward push, fixed cover 405 displacement slides at slider 404's outer wall, fixed cover 405 displacement gets into fixed slot 403 and fixes movable block 401, rubber block 406 gets into spacing groove 407 through the activity groove from recess 408 simultaneously, fix fixed cover 405.

In fig. 4: the outer wall of connecting block 501 and the inner wall of spread groove 502 are laminated mutually, and the outer wall of puncture seat 1 is provided with the mounting groove that runs through in spread groove 502, and the inner wall of mounting groove and the outer wall of link 503 are laminated mutually, and thin piece 505 of plastics sets up between link 503 and mounting groove.

According to the puncture needle for the marrow cavity infusion, the connecting frame 503 penetrates through the connecting block 501 through the through hole 504 to fix the connecting block 501, after the puncture needle 2 is used, the connecting frame 503 is pushed forcefully, the plastic thin block 505 is broken under stress, the connecting frame 503 is taken out from the puncture seat 1, the connecting frame 503 is displaced out of the through hole 504, and the fixing of the connecting block 501 is cancelled.

The utility model discloses a theory of operation is: firstly, in the preparation stage of transfusion in the marrow cavity, the puncture needle 2 is driven to rotate by virtue of a bone marrow gun so as to puncture periosteum and cortex lycii to enter the marrow cavity, when the puncture depth of the puncture needle 2 is adjusted, the slide block 404 is pushed to slide on the inner wall of the slide groove 402, the slide block 404 slides to drive the movable block 401 to displace, the slide block 404 displaces to shield the puncture needle 2, so as to adjust the length of the puncture needle 2 and further adjust the puncture depth of the puncture needle 2, the fixing sleeve 405 is pushed downwards after the puncture is completed, the fixing sleeve 405 displaces to slide on the outer wall of the slide block 404, the fixing sleeve 405 displaces to enter the fixing groove 403 to fix the movable block 401, meanwhile, the rubber block 406 enters the limiting groove 407 from the groove 408 through the movable groove to fix the fixing sleeve 405, so as to conveniently adjust the puncture depth of the puncture needle 2, the connecting frame 503 penetrates through the connecting block 501 through the through hole 504, fixing the connecting block 501, after the puncture needle 2 is used, forcibly pushing the connecting frame 503, breaking the plastic thin block 505 under stress, taking the connecting frame 503 out of the puncture seat 1, displacing the connecting frame 503 out of the through hole 504, and canceling the fixing of the connecting block 501, so that the puncture seat 1 is separated from the puncture needle 2, the puncture needle 2 can be rapidly damaged after being used, and the repeated use can be avoided.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A puncture needle for infusion, comprising:

a puncture seat (1);

the puncture needle (2) is arranged on the inner wall of the puncture seat (1);

the infusion part (3), the infusion part (3) is arranged at one end of the puncture needle (2);

the adjusting mechanism (4) is arranged inside and on the outer wall of the puncture seat (1) and is used for adjusting the length of the puncture needle (2);

split mechanism (5), split mechanism (5) set up in between puncture seat (1) and pjncture needle (2), be used for right pjncture needle (2) carry out quick dismantlement.

2. The puncture needle for infusion according to claim 1, wherein the adjusting mechanism (4) comprises a movable block (401) and a sliding groove (402), the movable block (401) is slidably connected to the inner wall of the puncture seat (1) and located on the outer wall of the puncture needle (2), the sliding groove (402) is arranged on the outer wall of the puncture seat (1) and penetrates through the inner wall of the puncture seat (1), a fixing groove (403) is arranged on the inner wall of the sliding groove (402), a sliding block (404) located on the inner wall of the sliding groove (402) is fixedly connected to the outer wall of the movable block (401), a fixing sleeve (405) is slidably connected to the outer wall of the sliding block (404), a rubber block (406) is fixedly connected to the joint of the two sides of the outer wall of the sliding block (404) and the fixing sleeve (405), a limiting groove (407) is arranged on the inner wall of the fixing sleeve (405), the inner wall of the fixed sleeve (405) is positioned below the limiting groove (407) and is provided with a groove (408).

3. The puncture needle for infusion according to claim 1, wherein the disassembling mechanism (5) comprises a connecting block (501) and a connecting groove (502), the connecting block (501) is fixedly connected to the other end of the puncture needle (2), the connecting groove (502) is arranged at the other end of the inner wall of the puncture base (1), a connecting frame (503) penetrating through the connecting groove (502) is connected inside the puncture base (1), a through hole (504) penetrating through the connecting frame (503) is arranged on the outer wall of the connecting block (501), and a plastic thin block (505) is connected between the connecting frame (503) and the puncture base (1).

4. A puncture needle for infusion according to claim 2, wherein an inner wall of the movable block (401) is attached to an outer wall of the puncture needle (2), an outer wall of the movable block (401) is attached to an inner wall of the puncture base (1), and an outer wall of the slider (404) is attached to an inner wall of the sliding groove (402).

5. The puncture needle for infusion according to claim 2, wherein the outer wall of the fixing sleeve (405) is attached to the inner wall of the fixing groove (403), and a movable groove is formed in the inner wall of the fixing sleeve (405) between the limiting groove (407) and the groove (408).

6. A puncture needle for infusion according to claim 3, wherein an outer wall of the connection block (501) abuts an inner wall of the connection groove (502).

7. A puncture needle for infusion according to claim 3, wherein an outer wall of the puncture base (1) is provided with a mounting groove penetrating the coupling groove (502), an inner wall of the mounting groove is attached to an outer wall of the coupling holder (503), and the plastic sheet (505) is disposed between the coupling holder (503) and the mounting groove.