CN215690573U

CN215690573U - Remaining needle protection device

Info

Publication number: CN215690573U
Application number: CN202022896331.1U
Authority: CN
Inventors: 窦蕊; 刘晓敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2022-02-01
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses an indwelling needle protection device which comprises a fixed sleeve and a movable sleeve, wherein the fixed sleeve is detachably connected with the movable sleeve; the fixing sleeve is in a circular tube shape, external threads are arranged on the outer side face of the fixing sleeve, and a plurality of fastening strips are integrally formed at the bottom end of the fixing sleeve along the circumferential direction of the fixing sleeve; a protection piece is arranged on the inner side surface of one fastening strip, and an arc groove is formed in one side, away from the fastening strip, of the protection piece; the movable sleeve is in a circular tube shape, the inner diameter of the bottom end of the movable sleeve is smaller than that of the top end of the movable sleeve, and the inner side surface of the top end of the movable sleeve is provided with internal threads and is in threaded connection with the external threads on the outer side surface of the fixed sleeve through the internal threads; when the movable sleeve is connected with the fixed sleeve, the inner side surface of the movable sleeve is contacted with the outer side surface of the fastening strip and extrudes the fastening strip to gather towards the axis direction of the fixed sleeve. The utility model can play a certain protection role on the position of the indwelling needle and improve the use effect of the indwelling needle.

Description

Remaining needle protection device

Technical Field

The utility model relates to the field of medical treatment, in particular to an indwelling needle protection device.

Background

The indwelling needle is also called as venous trocar. The core components include a flexible catheter/cannula that can be indwelling in a blood vessel, and a stainless steel puncture guiding stylet. When in use, the catheter and the needle core are punctured into a blood vessel together, after the front end of the catheter completely enters the blood vessel, the needle core is withdrawn while the needle is inserted, and only the soft catheter is retained in the blood vessel so as to carry out infusion treatment, so that the flexible catheter is suitable for clinical infusion for more than 4 hours and non-single infusion and infusion of irritant medicaments; the device has the advantages of reducing the times of blood vessel puncture, reducing liquid extravasation, having small irritation to blood vessels, being beneficial to clinical medication and emergency rescue, avoiding repeated blood vessel puncture when non-single transfusion is carried out, reducing the repeated labor of nurses, reducing the cost of patients, reducing the cost of exudation treatment caused by steel needle puncture, and further improving the satisfaction degree of patients.

At present, after the indwelling needle is inserted into a vein, in order to prevent the indwelling needle from moving, a medical adhesive tape is usually adopted for fixing, the medical adhesive tape is not strong in viscosity and is easy to fall off due to the influence of temperature and humidity, so that the indwelling needle is exposed outside, the possibility of wound infection is increased, and the treatment effect of a patient is influenced.

Disclosure of Invention

The utility model aims to solve the problems and provides an indwelling needle protection device which is simple in structure and convenient to use.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

an indwelling needle protection device comprises a fixed sleeve and a movable sleeve, wherein the fixed sleeve is detachably connected with the movable sleeve; the fixing sleeve is in a circular tube shape, external threads are arranged on the outer side face of the fixing sleeve, and a plurality of fastening strips are integrally formed at the bottom end of the fixing sleeve along the circumferential direction of the fixing sleeve; a protection piece is arranged on the inner side surface of one fastening strip, and an arc groove is formed in one side, away from the fastening strip, of the protection piece; the movable sleeve is in a circular tube shape, the inner diameter of the bottom end of the movable sleeve is smaller than that of the top end of the movable sleeve, and the inner side surface of the top end of the movable sleeve is provided with internal threads and is in threaded connection with the external threads on the outer side surface of the fixed sleeve through the internal threads; when the movable sleeve is connected with the fixed sleeve, the inner side surface of the movable sleeve is contacted with the outer side surface of the fastening strip and extrudes the fastening strip to gather towards the axis direction of the fixed sleeve.

Furthermore, a connecting lug is integrally formed on one side, close to the fastening strip, of the protection piece, and a first connecting through hole is formed in the connecting lug and is in pin shaft connection with a second pin shaft through hole formed in the fastening strip through the first connecting through hole; the protection piece is kept away from the homogeneous body shaping in both ends around fastening strip one side and is had the buffer seat, and the buffer seat is located the front and back both sides of circular arc recess respectively.

Furthermore, a magic tape is bonded in the arc groove, and alcohol cotton is bonded in the arc groove through the magic tape.

Furthermore, the side surface of the movable sleeve is provided with a ventilation long hole penetrating through the side wall of the movable sleeve, and the length direction of the ventilation long hole is consistent with the circumferential direction of the movable sleeve.

Further, be provided with damper in the fixed cover, damper includes water storage bag, shock attenuation bag, and the water storage bag is annular tubulose, water storage bag and fixed cover inside wall fixed connection, and the equidistant a plurality of shock attenuation bag that is provided with of circumferencial direction along the water storage bag is followed to the water storage bag bottom, and the shock attenuation bag sets up with the fastening strip is corresponding, and the shock attenuation bag top is linked together with the water storage bag, and shock attenuation bag lateral wall and fastening strip inside wall fixed connection all fill water in water storage bag, the shock attenuation bag.

Furthermore, an electric heater is arranged in the water storage bag and is electrically connected with a power supply arranged on the outer side of the fixed sleeve.

Furthermore, the inner side of the top end of the fixed sleeve is provided with a water absorption sponge which is in an annular shape, and the water absorption sponge is sleeved on the inner side of the top end of the fixed sleeve and the outer side surface of the water absorption sponge is fixedly connected with the inner side surface of the top end of the fixed sleeve.

Furthermore, the remaining needle protection device also comprises a reinforcing sleeve which is annular, and the inner side surface of the reinforcing sleeve is provided with an internal thread and is in threaded connection with the external thread on the outer side surface of the fixing sleeve through the internal thread; when the fixed sleeve is connected with the movable sleeve, the reinforcing sleeve is positioned at the top end of the movable sleeve, and the lower end face of the reinforcing sleeve is contacted with the upper end face of the movable sleeve.

Compared with the prior art, the utility model has the advantages and positive effects that:

when the utility model is used, the fixed sleeve is sleeved on an arm, the arc groove on the protection part is buckled at the outer side of the position of the indwelling needle, the movable sleeve is connected with the fixed sleeve in a threaded manner, the bottom end of the movable sleeve extrudes the outer side surface of the fastening strip along with the continuous upward movement of the movable sleeve until the inner side surface of the fastening strip is tightly attached to the skin, the protection operation of the position of the indwelling needle is realized, and a stable supporting structure is formed between the fastening strip and the skin, so that the condition that the protection device falls off is avoided; the utility model has simple, convenient and quick operation, can quickly finish the protection operation of the position of the indwelling needle, avoids the condition that the wound is infected and the like due to the exposure of the position of the indwelling needle to the outside, simultaneously avoids the condition that the indwelling needle falls off and the like due to the mistaken touch of the patient during normal activities, and improves the use effect of the indwelling needle.

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 described below, and it is obvious that the drawings in the following description are only 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 structural view of the present invention;

FIG. 2 is an assembled block diagram of the present invention;

FIG. 3 is a cross-sectional structural view of the present invention;

FIG. 4 is a view showing a coupling structure of the fastening strip and the guard member;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

FIG. 6 is a cross-sectional structural view of the shock absorbing assembly;

FIG. 7 is a bottom view of the attachment structure of the retaining sleeve to the dampening assembly;

in the figure: 1. fixing a sleeve; 2. a movable sleeve; 3. fastening strips; 4. reinforcing the sleeve; 5. a guard; 6. a shock-absorbing bladder; 7. a water storage bag; 8. a water-absorbing sponge; 201. the ventilation long hole; 501. a buffer seat; 502. connecting lugs; 503. a circular arc groove; 504. magic tape.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.

As shown in fig. 1 to 7, the present embodiment discloses an indwelling needle protection device, which includes a fixed sleeve 1 and a movable sleeve 2, wherein the fixed sleeve 1 and the movable sleeve 2 are both made of plastic, and the fixed sleeve 1 is detachably connected with the movable sleeve 2; the fixing sleeve 1 is in a circular tube shape, external threads are arranged on the outer side surface of the fixing sleeve 1, and a plurality of fastening strips 3 are integrally formed at the bottom end of the fixing sleeve 1 along the circumferential direction of the fixing sleeve 1; a protection piece 5 is arranged on the inner side surface of one fastening strip 3, and an arc groove 503 is arranged on one side, away from the fastening strip 3, of the protection piece 5; the movable sleeve 2 is in a circular tube shape, the whole inner side surface of the movable sleeve 2 is a circular arc surface, the inner diameter of the bottom end of the movable sleeve 2 is smaller than the inner diameter of the top end of the movable sleeve 2, and the inner side surface of the top end of the movable sleeve 2 is provided with internal threads and is in threaded connection with the external threads on the outer side surface of the fixed sleeve 1 through the internal threads; when the movable sleeve 2 is connected with the fixed sleeve 1, the inner side surface of the movable sleeve 2 is contacted with the outer side surface of the fastening strip 3 and extrudes the fastening strip 3 to gather towards the axis direction of the fixed sleeve 1.

A connecting lug 502 is integrally formed on one side, close to the fastening strip 3, of the protection piece 5, and a first connecting through hole is formed in the connecting lug 502 and is in pin connection with a second pin shaft through hole formed in the fastening strip 3 through the first connecting through hole; the front and rear ends of the side of the protection member 5 away from the fastening strip 3 are integrally formed with buffer seats 501, and the buffer seats 501 are respectively located at the front and rear sides of the arc groove 503.

The fastening strip can incline under the extrusion action of the movable sleeve, and the design of the pin shaft connection of the protection piece and the fastening strip ensures that the arc groove in the protection piece can be kept parallel to the skin surface of the limb, so that the stress of the contact position of the skin and the protection piece is uniform, and the use effect of the utility model is improved.

One side of the protection part, which is far away from the fastening strip, is contacted with the skin at the periphery of the position of the indwelling needle, and the buffer seat can increase the contact area of the protection part and the skin, so that the condition that the protection part is tightly pressed on the skin to cause skin extrusion pain is avoided, and the using effect of the indwelling needle is improved.

The hook and loop fastener 504 is adhered to the arc groove 503, and the alcohol cotton is adhered to the hook and loop fastener 504. This design can make the magic subsides fix alcohol cotton, has avoided alcohol cotton to drop, and alcohol cotton can play the effect of disinfection and elimination to the position of keeping somewhere the needle simultaneously, brings certain safeguard effect for patient's wound.

The side surface of the movable sleeve 2 is provided with a ventilation long hole 201 penetrating through the side wall of the movable sleeve 2, and the length direction of the ventilation long hole 201 is consistent with the circumferential direction of the movable sleeve 2. The design of ventilative slot hole makes patient's skin can be linked together through the clearance between the adjacent fastening strip and ventilative slot hole and external world, has improved the gas permeability of skin to improve the comfortable effect of patient's wound.

Be provided with damper in the fixed cover 1, damper includes water storage bag 7, shock attenuation bag 6, water storage bag 7 is the annular tubulose, water storage bag 7 and fixed 1 inside wall fixed connection of cover, the equidistant a plurality of shock attenuation bag 6 that is provided with of circumferencial direction of water storage bag 7 is followed in 7 bottoms of water storage bag, shock attenuation bag 6 and the corresponding setting of fastening strip 3, of course, in order to guarantee the protective effect of protection piece 5, fastening strip 3 that protection piece 5 was connected to the medial surface can no longer set up

shock attenuation bag

6, 6 tops of shock attenuation bag are linked together with

water storage bag

7, 6 lateral walls of shock attenuation bag and 3 inside wall fixed connection of fastening strip, water storage bag 7, it has water all to fill in the shock attenuation bag 6.

An electric heater is arranged in the water storage bag 7 and is electrically connected with a power supply arranged on the outer side of the fixed sleeve 1.

The damping component can play a certain damping role, so that the acting force is prevented from being transmitted to the indwelling needle due to the fact that the patient mistakenly touches the fixing sleeve during movement, certain discomfort is brought to the patient, and the using effect of the utility model is improved; meanwhile, the electric heater can heat the water in the water storage bag and the shock absorption bag, so that the effect of hot compress on the wound is achieved, the blood circulation of the wound is promoted, and the using effect of the utility model is further improved.

The inner side of the top end of the fixed sleeve 1 is provided with a water-absorbing sponge 8, the water-absorbing sponge 8 is in a ring shape, the water-absorbing sponge 8 is sleeved on the inner side of the top end of the fixed sleeve 1, and the outer side surface of the water-absorbing sponge 8 is fixedly connected with the inner side surface of the top end of the fixed sleeve 1. The sponge that absorbs water can adsorb sweat or external water droplet on the skin and operate, has avoided sweat, water droplet to enter into in the fixed cover and cause the infection to keeping somewhere the needle position.

The indwelling needle protection device also comprises a reinforcing sleeve 4, the reinforcing sleeve 4 is annular, and the inner side surface of the reinforcing sleeve 4 is provided with internal threads and is in threaded connection with external threads on the outer side surface of the fixing sleeve 1 through the internal threads; when the fixed sleeve 1 is connected with the movable sleeve 2, the reinforcing sleeve 4 is positioned at the top end of the movable sleeve 2, and the lower end face of the reinforcing sleeve 4 is contacted with the upper end face of the movable sleeve 2.

When the movable sleeve is connected with the fixed sleeve, the reinforcing sleeve is firstly screwed on the fixed sleeve, and after the fixed sleeve is connected with the movable sleeve, the reinforcing sleeve is reversely screwed, so that the lower end surface of the reinforcing sleeve is tightly contacted and clamped with the upper end surface of the movable sleeve, the situation that the protective effect is reduced because the movable sleeve automatically rotates relative to the fixed sleeve when a patient normally moves is avoided, and the using effect of the utility model is further improved.

Claims

1. An indwelling needle protection device, comprising: comprises a fixed sleeve (1) and a movable sleeve (2), wherein the fixed sleeve (1) is detachably connected with the movable sleeve (2); the fixing sleeve (1) is in a circular tube shape, external threads are arranged on the outer side surface of the fixing sleeve (1), and a plurality of fastening strips (3) are integrally formed at the bottom end of the fixing sleeve (1) along the circumferential direction of the fixing sleeve (1); a protection piece (5) is arranged on the inner side surface of one fastening strip (3), and an arc groove (503) is formed in one side, far away from the fastening strip (3), of the protection piece (5); the movable sleeve (2) is in a circular tube shape, the inner diameter of the bottom end of the movable sleeve (2) is smaller than the inner diameter of the top end of the movable sleeve (2), and the inner side surface of the top end of the movable sleeve (2) is provided with an internal thread and is in threaded connection with the external thread on the outer side surface of the fixed sleeve (1) through the internal thread; when the movable sleeve (2) is connected with the fixed sleeve (1), the inner side surface of the movable sleeve (2) is contacted with the outer side surface of the fastening strip (3) and extrudes the fastening strip (3) to gather towards the axis direction of the fixed sleeve (1).

2. The indwelling needle guard as claimed in claim 1, wherein: a connecting lug (502) is integrally formed on one side, close to the fastening strip (3), of the protection piece (5), a first connecting through hole is formed in the connecting lug (502), and the connecting lug is in pin connection with a second pin shaft through hole formed in the fastening strip (3) through the first connecting through hole; the front end and the rear end of one side, away from the fastening strip (3), of the protection piece (5) are integrally formed with buffer seats (501), and the buffer seats (501) are located on the front side and the rear side of the arc groove (503) respectively.

3. The indwelling needle guard as claimed in claim 2, in which: the inside of the arc-shaped groove (503) is adhered with a magic tape (504) and is adhered with alcohol cotton through the magic tape (504).

4. The indwelling needle guard as claimed in claim 3, in which: the side surface of the movable sleeve (2) is provided with a ventilation long hole (201) which penetrates through the side wall of the movable sleeve (2), and the length direction of the ventilation long hole (201) is consistent with the circumferential direction of the movable sleeve (2).

5. The indwelling needle guard as claimed in claim 4, in which: be provided with damper in fixed cover (1), damper includes water storage bag (7), shock attenuation bag (6), water storage bag (7) are the annular tubulose, water storage bag (7) and fixed cover (1) inside wall fixed connection, the circumferencial direction equidistance of water storage bag (7) is followed to water storage bag (7) bottom is provided with a plurality of shock attenuation bag (6), shock attenuation bag (6) and fastening strip (3) corresponding setting, shock attenuation bag (6) top is linked together with water storage bag (7), shock attenuation bag (6) lateral wall and fastening strip (3) inside wall fixed connection, all fill water in water storage bag (7), shock attenuation bag (6).

6. The indwelling needle guard as claimed in claim 5, in which: an electric heater is arranged in the water storage bag (7) and is electrically connected with a power supply arranged on the outer side of the fixed sleeve (1).

7. The indwelling needle guard as claimed in claim 6, in which: the water absorption sponge (8) is arranged on the inner side of the top end of the fixed sleeve (1), the water absorption sponge (8) is in a ring shape, and the water absorption sponge (8) is sleeved on the inner side of the top end of the fixed sleeve (1) and is fixedly connected with the inner side surface of the top end of the fixed sleeve (1) on the outer side surface of the water absorption sponge (8).

8. The indwelling needle guard as claimed in claim 7, wherein: the indwelling needle protection device also comprises a reinforcing sleeve (4), the reinforcing sleeve (4) is annular, and the inner side surface of the reinforcing sleeve (4) is provided with an internal thread and is in threaded connection with the external thread on the outer side surface of the fixing sleeve (1) through the internal thread; when the fixed sleeve (1) is connected with the movable sleeve (2), the reinforcing sleeve (4) is positioned at the top end of the movable sleeve (2) and the lower end surface of the reinforcing sleeve (4) is contacted with the upper end surface of the movable sleeve (2).