CN213158473U

CN213158473U - Improved retaining needle fixing device

Info

Publication number: CN213158473U
Application number: CN202021410235.5U
Authority: CN
Inventors: 靳国栋; 王菲越
Original assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Current assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-05-11
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses an improved indwelling needle fixing device, which comprises an indwelling needle body, a mounting seat, a first fixing belt and a second fixing belt; a heparin cap is formed on the indwelling needle body, a connecting seat is formed on the outer wall of the heparin cap, a fixing groove is formed on the mounting seat, and the connecting seat is detachably connected in the fixing groove; the first fixing band and the second fixing band are connected to the mounting seat respectively, and the free ends of the first fixing band and the second fixing band are detachably connected. Compared with the prior art, the utility model discloses a set up connecting seat and fixed slot make the heparin cap obtains abundant fixed, has reduced the risk of pressing the sore again.

Description

Improved retaining needle fixing device

Technical Field

The utility model relates to an keep somewhere needle auxiliary instrument field, concretely relates to needle fixing device is kept somewhere to improved generation.

Background

The remaining needle can reduce the puncture times, relieve the pain of the patient and simultaneously reduce the workload of medical care personnel. In order to avoid the displacement of the indwelling needle, the indwelling needle is generally fixed by a transparent application, so that the puncture point condition can be better observed, but in the operation of fixing the transparent application, the transparent application is easy to curl, and once a patient sweats, the application is easy to loosen to cause the indwelling needle to loosen or fall off, so that the fixing effect is poor, blood overflow is easy to cause, and the indwelling needle is dangerous; also through plus 3M elasticity adhesive tape, fixed effect is better than transparent applying ointment or plaster, but 3M adhesive tape needs to be tailor, covers the puncture point easily, causes the pressurized to skin easily, and the time is long elasticity relatively poor, also easily causes the adhesive tape turn-up to take off the pipe. In order to avoid pressure sore, at present, the catheter fixing patch is used for fixing, but the skin of a patient sweats to influence the bonding firmness, and after the catheter fixing patch is torn away from the skin, the viscosity is greatly reduced, so that the catheter fixing patch cannot be adhered to the skin, and the position is inconvenient to adjust.

In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a needle fixing device is kept somewhere to improved generation, it has fixed effectual and the prevention presses the characteristics of sore, is particularly suitable for long-term patient that needs to use to keep somewhere the needle to use.

In order to achieve the above purpose, the solution of the present invention is:

an improved retaining needle fixing device comprises a retaining needle body, a mounting seat, a first fixing belt and a second fixing belt; a heparin cap is formed on the indwelling needle body, a connecting seat is formed on the outer wall of the heparin cap, a fixing groove is formed on the mounting seat, and the connecting seat is detachably connected in the fixing groove; the first fixing band and the second fixing band are connected to the mounting seat respectively, and the free ends of the first fixing band and the second fixing band are detachably connected.

Further, the connecting seat comprises a connecting rod and a clamping block, two ends of the connecting rod are respectively connected with the heparin cap and the middle part of the clamping block, and the connecting rod is perpendicular to the connecting rod; the fixing groove comprises a notch for the clamping block to pass through and an inner groove for clamping the clamping block; a first stop block and a second stop block which are positioned above the inner groove are formed on two sides of the notch; the clamping block can rotate in the inner groove to be perpendicular to the fixing groove and is clamped below the first stop block and the second stop block.

Further, still form in the inside groove and be located the notch both sides respectively and be located first stopper and second stopper below and the second stopper first stopper and second stopper, the joint piece perpendicular to during the notch, the joint piece supports the top on first stopper and second stopper.

Further, the lower edges of the first stop block and the second stop block are provided with guide inclined planes.

Further, the mounting seat comprises an upper seat body and a lower seat body, and the fixing groove is formed in the upper seat body in a penetrating manner from top to bottom; the upper seat body is detachably and fixedly connected to the lower seat body, and one end, deviating from the notch of the fixing groove, of the upper seat body is fixedly connected to the lower seat body.

Furthermore, lug plates are formed at two ends of the upper seat body, a convex column is formed on the upper surface of the lower seat body, a groove matched with the convex column is formed at one end of each lug plate, facing the lower seat body, and the convex column is embedded in the groove; the center of the convex column is provided with a threaded hole, the ear plate is provided with a screw, and the ear plate is fixedly connected with the convex column through the screw.

Furthermore, the indwelling needle fixing device further comprises an inserting limiting portion made of a plastic material, the inserting limiting portion comprises a first inserting end and a second inserting end, the upper ends of the first inserting end and the second inserting end are connected through a connecting portion, the connecting portion is attached to the outer surface of the heparin cap, and the first inserting end and the second inserting end are respectively inserted into the fixing groove and located on two sides of the clamping block to limit the rotation of the clamping block.

Furthermore, a pull ring is arranged on the connecting part, and the pull ring is connected with the connecting part through an easy-to-break connecting structure.

Furthermore, a buckle is formed on the first fixing belt, and a plurality of belt holes are formed in the second fixing belt at intervals.

Furthermore, one surface of the mounting seat, which is away from the heparin cap, is an inwards concave arc-shaped surface, and a sponge cushion layer is arranged on the arc-shaped surface.

After the structure of the utility model is adopted, the utility model relates to an improved generation keeps somewhere needle fixing device, it has following beneficial effect at least:

the heparin cap is connected the connecting seat with fixed slot on the mount pad can be dismantled fixed connection, connects the completion back, the mount pad passes through first fixed band and second fixed band are fixed on patient's arm, so accomplish the fixed of heparin cap. Owing to enclose the arm through first fixed band and second fixed band in inside, compare in the regulation elasticity degree that the adhesive tape can be better. Or the mounting seat is fixed on the arm through a first fixing strap and a second fixing strap, and then the connecting seat is fixedly connected with the fixing groove.

And the mounting seat comprises an upper seat body and a lower seat body, so that the production and the forming of the fixing groove are facilitated, and the upper seat body and the lower seat body are processed independently and then spliced continuously, so that the structure is simplified, and the cost is reduced.

Thirdly, the inserting limiting part limits the rotation of the clamping block, so that the clamping block is prevented from being accidentally separated from the notch. The pull ring is convenient for a user to take down the inserting connection limiting part.

Compared with the prior art, the utility model discloses a set up connecting seat and fixed slot make the heparin cap obtains abundant fixed, has reduced the risk of pressing the sore again.

Drawings

Fig. 1 is a schematic perspective view of an improved retaining needle fixing device of the present invention.

Fig. 2 is a schematic cross-sectional view of a heparin cap and mounting block.

Fig. 3 is a schematic view of the exploded structure of the present invention.

Fig. 4 is a schematic perspective view of another angle of the present invention.

Fig. 5 is a schematic perspective view of the heparin cap with the connecting seat.

Fig. 6 is a schematic perspective view of the clamping block in the upper seat body.

Fig. 7 and 8 are schematic perspective views of the upper seat body at different angles.

Fig. 9 is a schematic perspective view of the insertion limiting portion.

In the figure:

an indwelling needle body 1; a heparin cap 11; a connecting base 12; a connecting rod 121; a clamp block 122;

a mounting base 2; an upper seat body 21; a notch 211; an inner tank 212; a first stopper 213; a second stopper 214; a first stopper 215; a second stopper 216; a guide slope 217; an ear plate 218; a groove 219; a lower seat body 22; a convex column 221; a sponge cushion 222;

a first fixing band 31; a buckle 311; a second securing strap 32; a hole 321;

an inserting connection limiting part 4; a first plug end 41; a second mating end 42; a connecting portion 43; a pull ring 44; frangible connection 441.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1 to 9, an improved indwelling needle fixing device according to the present invention comprises an indwelling needle body 1, a mounting seat 2, a first fixing band 31 and a second fixing band 32; a heparin cap 11 is formed on the indwelling needle body, a connecting seat 12 is formed on the outer wall of the heparin cap 11, a fixing groove is formed on the mounting seat 2, and the connecting seat 12 is detachably connected in the fixing groove; the first fixing strap 31 and the second fixing strap 32 are respectively connected to the mounting base 2, and the free ends of the first fixing strap 31 and the second fixing strap 32 are detachably connected.

Thus, the utility model relates to an improved generation keeps somewhere needle fixing device, heparin cap 11 is through connecting seat 12 with fixed slot on the mount pad 2 can dismantle fixed connection, connects the completion back, mount pad 2 passes through first fixed band 31 and second fixed band 32 are fixed on patient's arm, so accomplish the fixed of heparin cap 11. Since the arm is enclosed inside by the first fixing band 31 and the second fixing band 32, the tightness of adjustment can be better compared to an adhesive tape. The mounting base 2 may be fixed to the arm by the first fixing strap 31 and the second fixing strap 32, and then the connecting base 12 may be fixedly connected to the fixing groove.

Preferably, the connecting seat 12 comprises a connecting rod 121 and a clamping block 122, two ends of the connecting rod 121 are respectively connected with the heparin cap 11 and the middle of the clamping block 122, and the connecting rod 121 is perpendicular to the connecting rod 121; the fixing groove comprises a notch 211 for the clamping block 122 to pass through and an inner groove 212 for clamping the clamping block 122; a first stopper 213 and a second stopper 214 positioned above the inner groove 212 are formed at both sides of the notch 211; the clamping block 122 can rotate in the inner groove 212 to be perpendicular to the fixing groove and clamped below the first stop 213 and the second stop 214. The width of the clamping block 122 is slightly smaller than that of the notch 211, and the length of the clamping block 122 is larger than that of the notch 211. The engaging portion 122 is retained in the inner groove 212 by the first stop 213 and the second stop 214.

Preferably, a first limiting block 215 and a second limiting block 216 respectively located at two sides of the notch 211 and below the first stopper 213 and the second stopper 214 are further formed in the inner groove 212, and when the clamping block 122 is perpendicular to the notch 211, the clamping block 122 abuts against the first limiting block 215 and the second limiting block 216. The first stopper 215 and the second stopper 216 limit the maximum rotation angle of the engaging member 122.

Preferably, the length direction of the clamping block 122 is parallel to the length direction of the heparin cap 11 on which the clamping block 122 is located.

Preferably, the lower edges of the first stopper 213 and the second stopper 214 are formed with guide slopes 217. The clamping block 122 is conveniently inserted below the first stop 213 and the second stop 214.

Preferably, the mounting seat 2 includes an upper seat body 21 and a lower seat body 22, and the fixing groove is formed on the upper seat body 21 in a penetrating manner from top to bottom; the upper seat body 21 is detachably and fixedly connected to the lower seat body 22, and one end of the upper seat body 21, which deviates from the notch 211 of the fixing groove, is fixedly connected to the lower seat body 22. Because the mounting seat 2 comprises the upper seat body 21 and the lower seat body 22, the production and the forming of the fixing groove are facilitated, and the upper seat body 21 and the lower seat body 22 are continuously spliced after being independently processed, so that the structure is simplified, and the cost is reduced.

Preferably, ear plates 218 are formed at two ends of the upper seat body 21, a convex pillar 221 is formed on the upper surface of the lower seat body 22, a groove 219 matched with the convex pillar 221 is formed at one end of the ear plate 218 facing the lower seat body 22, and the convex pillar 221 is embedded in the groove 219; a threaded hole is formed in the center of the convex column 221, a screw (not shown) is arranged on the ear plate 218, and the ear plate 218 is fixedly connected with the convex column 221 through the screw. Said mutual positioning can be achieved by said studs 221 and said grooves 219. And then fixedly connected through screws.

Preferably, the indwelling needle fixing device further comprises an insertion limiting part 4 made of a plastic material, the insertion limiting part 4 comprises a first insertion end 41 and a second insertion end 42, the upper ends of the first insertion end 41 and the second insertion end 42 are connected through a connecting part 43, the connecting part 43 is attached to the outer surface of the heparin cap 11, and the first insertion end 41 and the second insertion end 42 are respectively inserted into the fixing groove and located on two sides of the clamping block 122 to limit the rotation of the clamping block 122. The inserting limiting part 4 limits the rotation of the clamping block 122, and prevents the clamping block 122 from accidentally dropping out of the notch 211. The pull ring 44 facilitates the user to remove the insertion limiting part 4.

Preferably, a pull ring 44 is disposed on the connecting portion 43, and the pull ring 44 is connected to the connecting portion 43 through a frangible connection structure 441. When the pull ring 44 is not used, the pull ring 44 can be attached to the heparin cap 11, so that the occupied space is reduced. Meanwhile, the whole sealing package before trial is convenient.

Preferably, the first fixing strap 31 is formed with a buckle 311, and the second fixing strap 32 is provided with a plurality of strap holes 321 at intervals. Through buckle 311 and foraminiferous 321 structure similar to the watchband, can adjust the elasticity degree in a flexible way, preferably, also can adopt the magic subsides structure to adjust the elasticity on first fixed band 31 and the second fixed band 32.

Preferably, one surface of the mounting seat 2, which is away from the heparin cap 11, is an inward concave arc surface, and a sponge cushion layer 222 is arranged on the arc surface. The comfort of the mount 2 in contact with the skin of the patient is improved.

Compared with the prior art, the utility model discloses a set up connecting seat 12 and fixed slot make heparin cap 11 obtains abundant fixed, has reduced the risk of pressing the sore again.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. An improved retaining needle fixing device is characterized by comprising a retaining needle body, a mounting seat, a first fixing belt and a second fixing belt; a heparin cap is formed on the indwelling needle body, a connecting seat is formed on the outer wall of the heparin cap, a fixing groove is formed on the mounting seat, and the connecting seat is detachably connected in the fixing groove; the first fixing band and the second fixing band are connected to the mounting seat respectively, and the free ends of the first fixing band and the second fixing band are detachably connected.

2. The improved retaining needle fixing device according to claim 1, wherein the connecting seat comprises a connecting rod and a clamping block, two ends of the connecting rod are respectively connected with the heparin cap and the middle part of the clamping block, and the connecting rod is perpendicular to the connecting rod; the fixing groove comprises a notch for the clamping block to pass through and an inner groove for clamping the clamping block; a first stop block and a second stop block which are positioned above the inner groove are formed on two sides of the notch; the clamping block can rotate in the inner groove to be perpendicular to the fixing groove and is clamped below the first stop block and the second stop block.

3. The improved retaining needle fixing device according to claim 2, wherein a first stopper and a second stopper are respectively formed in the inner groove and located at two sides of the notch and below the first stopper and the second stopper, and when the clamping block is perpendicular to the notch, the clamping block abuts against the first stopper and the second stopper.

4. The improved retention needle fixing device according to claim 3, wherein the lower edges of said first and second stoppers are formed with guide slopes.

5. The improved retaining needle fixing device according to claim 2, wherein the mounting seat comprises an upper seat body and a lower seat body, and the fixing groove is formed on the upper seat body in a penetrating manner from top to bottom; the upper seat body is detachably and fixedly connected to the lower seat body, and one end, deviating from the notch of the fixing groove, of the upper seat body is fixedly connected to the lower seat body.

6. The improved retaining needle fixing device according to claim 5, wherein two ends of the upper base body are formed with ear plates, the upper surface of the lower base body is formed with a convex pillar, one end of the ear plate facing the lower base body is formed with a groove matching with the convex pillar, and the convex pillar is embedded in the groove; the center of the convex column is provided with a threaded hole, the ear plate is provided with a screw, and the ear plate is fixedly connected with the convex column through the screw.

7. The improved retaining needle fixing device according to claim 3, wherein the retaining needle fixing device further comprises a plug-in limiting portion made of plastic, the plug-in limiting portion comprises a first plug-in end and a second plug-in end, the upper ends of the first plug-in end and the second plug-in end are connected through a connecting portion, the connecting portion is attached to the outer surface of the heparin cap, and the first plug-in end and the second plug-in end are respectively plugged in the fixing groove and located on two sides of the clamping block to limit the rotation of the clamping block.

8. The improved retaining needle fixing device according to claim 7, wherein a pulling ring is provided on the connecting portion, and the pulling ring is connected to the connecting portion via a breakable connecting structure.

9. The improved retaining needle fixing device according to claim 1, wherein a buckle is formed on the first fixing band, and a plurality of holes are spaced on the second fixing band.

10. The improved indwelling needle fastening device of claim 1, wherein the face of the mounting base facing away from the heparin cap is an arc face that is concave, and a sponge cushion layer is arranged on the arc face.