CN216167728U - Marrow cavity puncture needle fixer - Google Patents

Abstract

The utility model relates to a marrow cavity puncture needle fixer, which comprises a puncture needle and a puncture needle handle fixed at the tail end of the puncture needle, wherein a positioning cap matched with the puncture needle handle in shape is arranged outside the puncture needle handle, an anti-rotation structure is arranged between the positioning cap and the puncture needle handle, a section of convex external connection screw thread with holes is arranged on the outer end surface of the puncture needle handle, a positioning cap screw hole convenient for the external connection screw thread with holes to penetrate out is arranged on the positioning cap, and the external connection screw thread with holes is screwed with the corresponding infusion tube joint screw thread. The fixator can be matched with a corresponding marrow cavity puncture needle for use, so that the puncture part is protected, the sterile environment of the puncture part is ensured, the fit is good, the risk of allergy or pressure sore is reduced, the structure is firm, the operation of medical personnel is facilitated, the convenience and the working efficiency of the operation of the medical personnel are effectively improved, and the marking, classification, maintenance and replacement are facilitated.

Description

Marrow cavity puncture needle fixer

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a medullary cavity puncture needle fixer.

Background

At present, the matched marrow cavity puncture needle fixer is rarely used in clinic, which causes the following defects:

1. after clinical bone marrow puncture, no fixing device and no related fixed standard exist, which is not beneficial to making a unified nursing quality management standard, the fixed effect and quality in clinic are difficult to be evaluated by quantitative data, the risk of unplanned extubation exists, and unnecessary pain and injury are brought to patients;

2. after the marrow cavity is punctured, the punctured part is exposed without a protection device, the sterile environment of the punctured part cannot be ensured, and the risk of causing local infection exists;

3. at present, the main fixing mode of clinical medical staff is that the self-made adhesive plaster is simply fixed, the manufacturing process is complicated, and the clinical work efficiency is reduced;

4. from the self-protection perspective of medical staff, the self-made simple adhesive tape fixing device inevitably increases the occupational exposure risk of clinical medical staff in the manufacturing process;

5. the self-made simple adhesive tape fixing device has limited effect, such as unconsciousness, restlessness and the like of a patient, and is easy to be torn off by the patient in an unconscious state;

6. when the self-made simple adhesive tape fixing device is used for removing the marrow cavity puncture needle, residual adhesive marks are difficult to remove, and adverse skin allergic reactions such as flushing, pruritus and the like of the skin of a patient are easy to cause;

7. the self-made simple adhesive tape fixing device has the advantages that as the adhesive tape is not transparent or has poor transparency, clinical medical staff cannot conveniently and timely observe the conditions of seepage, bleeding, red swelling and the like of a puncture point;

8. the self-made simple adhesive tape fixing device cannot clearly write time and signature for installing the fixer, is easily abraded, leads to blurred characters, and is inconvenient to regularly replace and maintain the fixer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provides a medullary cavity puncture needle fixer.

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

the utility model provides a marrow cavity puncture needle fixer, includes pjncture needle and fixes the puncture needle handle at the pjncture needle tail end, be equipped with outside the puncture needle handle rather than appearance assorted location cap be equipped with between location cap and the puncture needle handle and prevent rotatory structure, be equipped with one section convex foraminiferous external connection screw thread on the outer terminal surface of puncture needle handle, be equipped with the location cap screw hole that the foraminiferous external connection screw thread of being convenient for wore out on the location cap, foraminiferous external connection screw thread and corresponding transfer line joint screw thread revolve the joint.

Furthermore, a positioning cap cover is formed at the matching position of the positioning cap and the outer end face of the puncture needle handle, a threaded hole of the positioning cap is formed in the positioning cap cover, and a side wall of the positioning cap is formed at the matching position of the positioning cap and the side face of the puncture needle handle.

Furthermore, a handle expanding section extending outwards in the lateral direction is arranged on the inner end face of the puncture needle handle, and a positioning cap base is formed by extending outwards at the matching position of the positioning cap and the handle expanding section of the puncture needle handle.

Furthermore, the upper end of the handle unfolding section is provided with a limiting protrusion, the side wall of the positioning cap or the inner side of the base of the positioning cap is provided with a limiting groove, and the limiting protrusion and the limiting groove are in insertion fit to form an anti-rotation structure.

Furthermore, the surface of positioning cap base is equipped with the protection film, the middle part inboard of protection film covers there is antibiotic dressing for further prevent breeding of microorganism.

Furthermore, the lower end of the protective film is covered and bonded with a paper-like film which is easy to tear through a protective film adhesive, so that the paper-like film is easy to tear when in use.

Furthermore, class paper membrane includes first class paper membrane and second class paper membrane, is equipped with a pair of inviscid easily and tears the strip between first class paper membrane and second class paper membrane border department, is convenient for tear class paper membrane to left and right sides when using.

Furthermore, the upper end of the protective film is pasted with a paper adhesive tape, so that clinical medical staff can write fixed time and signature on the protective film.

The utility model has the beneficial effects that:

the fixator can be matched with a corresponding marrow cavity puncture needle for use, so that the puncture part is protected, the sterile environment of the puncture part is ensured, the fit is good, the risk of allergy or pressure sore is reduced, the structure is firm, the operation of medical personnel is facilitated, the convenience and the working efficiency of the operation of the medical personnel are effectively improved, and the marking, classification, maintenance and replacement are facilitated.

Drawings

FIG. 1 is a side view of the present invention in a working state;

FIG. 2 is a top view of the present invention;

fig. 3 is a bottom view of the present invention.

The reference numbers in the figures illustrate: 1. puncture needle, 2, puncture needle handle, 21, foraminiferous external connection screw thread, 22, handle exhibition section, 221, spacing arch, 3, location cap, 31, location cap screw hole, 32, location cap, 33, location cap lateral wall, 34, location cap base, 341, spacing recess, 4, protection film, 5, antibiotic dressing, 6, first type paper membrane, 7, second type paper membrane, 8, easily tear the strip, 9, paper adhesive tape, 10, skin.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 3, a marrow cavity puncture needle fixer, including pjncture needle 1 and fix the puncture needle handle 2 at pjncture needle 1 tail end, puncture needle handle 2 is equipped with outward appearance assorted locking cap 3 outward be equipped with anti-rotation structure between locking cap 3 and puncture needle handle 2, be equipped with one section convex foraminiferous external connection screw thread 21 on the outer terminal surface of puncture needle handle 2, be equipped with the locking cap screw hole 31 that foraminiferous external connection screw thread 21 wore out of being convenient for on the locking cap 3, foraminiferous external connection screw thread 21 connects with corresponding transfer line joint screw soon, and threaded connection department is rotatory after the position, has good leakproofness, prevents that the liquid medicine from getting into, polluting inside the fixer through the screw thread clearance, further arouses microorganism and breeds.

The positioning cap 3 is formed at the matching position of the positioning cap 3 and the outer end face of the puncture needle handle 2, the positioning cap threaded hole 31 is arranged on the positioning cap 32, the positioning cap side wall 33 is formed at the matching position of the positioning cap 3 and the side face of the puncture needle handle 2, and in the embodiment, the positioning cap side wall 33 is made of hard transparent medical polypropylene materials and is used as a main part for fixing the puncture needle handle 2, so that the functions of firm and durable limiting, fixing and protecting can be provided.

The interior terminal surface department of puncture needle handle 2 is equipped with the outside handle exhibition section 22 that extends of side direction, the outside extension of handle exhibition section 22 matching department of location cap 3 and puncture needle handle 2 forms location cap base 34, and in this embodiment, location cap base 34 adopts the polyurethane material of transparent skin with skin laminating part, presses close to skin rear contact skin temperature, can suitably soften, better laminating skin surface, can not with skin formation space make local skin pressurized, reduce the risk that takes place to press the sore.

The upper end of the handle span section 22 is provided with a limiting protrusion 221, the inner side of the positioning cap side wall 33 or the positioning cap base 34 is provided with a limiting groove 341, and the limiting protrusion 221 and the limiting groove 341 are inserted and matched to form an anti-rotation structure.

As shown in fig. 2, a protective film 4 is disposed on the surface of the positioning cap base 34, the protective film 4 is a transparent film, the outer layer of the protective film is a polyurethane film, so as to increase the air permeability of the skin at the covered position and prevent the entry of microorganisms, an antibacterial dressing 5 is covered on the inner side of the middle portion of the protective film 4, and in this embodiment, the antibacterial dressing 5 may be chlorhexidine gluconate antibacterial dressing for further preventing the growth of microorganisms.

The lower extreme of protection film 4 covers through protection film adhesive and bonds the class paper membrane that has easily to tear during the use, in this embodiment, protection film adhesive is acrylic ester, and viscidity is strong, pastes in skin surface adhesion force stronger, and is stable firm, and close skin nature is good, is difficult for causing patient's skin allergy, also can not remain the glue mark when tearing off.

As shown in fig. 3, class paper membrane includes first class paper membrane 6 and second class paper membrane 7, and the border department is equipped with a pair of inviscid easily tears strip 8 between first class paper membrane 6 and second class paper membrane 7, is convenient for tear class paper membrane about to when using, and the medical personnel of being convenient for operate, effectively promote convenience and the work efficiency that medical personnel operated.

The upper end of the protective film 4 is pasted with the paper adhesive tape 9, so that clinical medical staff can write and fix time and signature on the protective film, observation and regular maintenance and replacement of the fixator are facilitated.

In addition, it should be noted that the terms "first", "second", and the like in the specification are used for distinguishing various components, elements, steps, and the like in the specification, and are not used for representing a logical relationship or a sequential relationship between the various components, elements, steps, and the like, unless otherwise specified or indicated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a marrow cavity puncture needle fixer, includes pjncture needle (1) and fixes puncture needle handle (2) at pjncture needle (1) tail end, a serial communication port, puncture needle handle (2) be equipped with outward appearance assorted position cap (3) outward be equipped with between position cap (3) and puncture needle handle (2) and prevent revolution mechanic, be equipped with one section convex foraminiferous outer connecting thread (21) on the outer terminal surface of puncture needle handle (2), be equipped with positioning cap screw hole (31) that foraminiferous outer connecting thread (21) of being convenient for worn out on position cap (3), foraminiferous outer connecting thread (21) connect with corresponding transfer line joint screw soon.

2. The intramedullary cavity puncture needle holder according to claim 1, wherein the location cap (3) matches with the outer end face of the puncture needle handle (2) to form a location cap cover (32), the location cap threaded hole (31) is provided on the location cap cover (32), and the location cap (3) matches with the side face of the puncture needle handle (2) to form a location cap side wall (33).

3. The intramedullary cavity puncture needle holder according to claim 2, wherein the inner end surface of the puncture needle handle (2) is provided with a handle section (22) extending outwards in a lateral direction, and the positioning cap (3) is extended outwards to form a positioning cap base (34) at the matching position with the handle section (22) of the puncture needle handle (2).

4. The intramedullary cavity puncture needle holder according to claim 3, wherein a limit protrusion (221) is provided at the upper end of the handle extension section (22), a limit groove (341) is provided at the inner side of the positioning cap side wall (33) or the positioning cap base (34), and the limit protrusion (221) and the limit groove (341) are inserted and matched to form an anti-rotation structure.

5. The intramedullary canal puncture needle holder according to claim 4, wherein the surface of the positioning cap base (34) is provided with a protective film (4), and the middle inner side of the protective film (4) is covered with an antibacterial dressing (5) for further preventing the growth of microorganisms.

6. The intramedullary canal puncture needle holder according to claim 5, wherein the lower end of the protection film (4) is covered and bonded with a paper-like film which is easy to tear through a protection film adhesive, so as to be easy to tear in use.

7. The intramedullary canal puncture needle holder according to claim 6, wherein the paper-like films comprise a first paper-like film (6) and a second paper-like film (7), and a pair of non-adhesive easy-tearing strips (8) are arranged at the boundary between the first paper-like film (6) and the second paper-like film (7) to facilitate the paper-like films to be torn to the left and right sides in use.

8. The intramedullary canal puncture needle holder according to claim 7, wherein the upper end of the protective film (4) is adhered with a paper adhesive tape (9) so that clinical medical staff can write fixed time and signature thereon.

Images