CN217430585U

CN217430585U - Remaining needle fixing device

Info

Publication number: CN217430585U
Application number: CN202122841365.5U
Authority: CN
Inventors: 唐晓雪
Original assignee: Guanghan People's Hospital
Current assignee: Guanghan People's Hospital
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-09-16
Anticipated expiration: 2031-11-18

Abstract

The utility model provides an indwelling needle fixing device, a needle tube seat fixing mechanism and an infusion three-way fixing mechanism, wherein the needle tube seat fixing mechanism is connected with the infusion three-way fixing mechanism through a telescopic mechanism, the telescopic mechanism comprises a connecting rod, a sleeve and a locking piece, one end of the connecting rod is fixedly connected with the needle tube seat fixing mechanism, one end of the sleeve is fixedly connected with the infusion three-way fixing mechanism, and the connecting rod is slidably arranged in the sleeve in a penetrating way; the sleeve pipe is close to the one end of connecting rod and is equipped with accepts the nozzle stub, accepts nozzle stub inner wall and the lateral wall laminating of connecting rod, and the outer wall of accepting the nozzle stub is kept away from sheathed tube one end and is equipped with first toper section, and the outer wall other end of accepting the nozzle stub is equipped with first screw thread section, and the inner wall of retaining member is equipped with and first toper section complex second toper section to and with first screw thread section complex second screw thread section. The utility model discloses can improve the fixed effect of keeping somewhere the needle, it is more convenient to use.

Description

Remaining needle fixing device

Technical Field

The utility model relates to a fixed technical field of indwelling needle particularly, relates to an indwelling needle fixing device.

Background

In clinical practice, some patients need to be transfused or bled many times, and therefore repeated venipuncture is required for the patients. Repeated vein puncture has certain difficulty, for example, for emergency treatment of critical patients, the repeated puncture can consume much time. In order to solve the problems, the venous indwelling needle is widely applied and popularized in clinic. However, in clinical use, there is a problem in fixing the indwelling needle.

Currently, the retention needle is generally fixed by an adhesive plaster and a transparent adhesive film. When the adhesive plaster is used for fixing the indwelling needle, the adhesive plaster is easy to curl, and when the adhesive plaster is not high in viscosity, the indwelling needle is easy to be fixed and separated. And the use of a large number of patches may cause some damage to the patient's skin.

Therefore, an indwelling needle fixing device is disclosed in the patent with the publication number "CN 212593350U", and the problem is well solved, however, in the patent, a part for fixing the indwelling needle tube seat and a part for fixing the indwelling needle infusion tee are connected into a whole through a telescopic support plate, the telescopic state of the support plate is always in an active state, the support plate with good length adjustment is easy to stretch due to mistaken touch in the using process of a patient, and then the indwelling needle falls off due to pulling, so that the indwelling needle fixing device is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a keep somewhere needle fixing device can improve fixed effect, and it is more convenient to use.

The embodiment of the utility model discloses a realize through following technical scheme:

a fixing device for an indwelling needle comprises a needle tube seat fixing mechanism and an infusion three-way fixing mechanism, wherein the needle tube seat fixing mechanism is connected with the infusion three-way fixing mechanism through a telescopic mechanism, the telescopic mechanism comprises a connecting rod, a sleeve and a locking piece, one end of the connecting rod is fixedly connected with the needle tube seat fixing mechanism, one end of the sleeve is fixedly connected with the infusion three-way fixing mechanism, and the connecting rod is slidably arranged in the sleeve in a penetrating manner; the sleeve pipe is close to the one end of connecting rod and is equipped with accepts the nozzle stub, accepts nozzle stub inner wall and the lateral wall laminating of connecting rod, and the outer wall of accepting the nozzle stub is kept away from sheathed tube one end and is equipped with first toper section, and the outer wall other end of accepting the nozzle stub is equipped with first screw thread section, and the inner wall of retaining member is equipped with and first toper section complex second toper section to and with first screw thread section complex second screw thread section.

Optionally, the side wall of the first conical section is provided with a plurality of notches along the circumferential direction.

Optionally, the outer wall of the locking member is provided with a plurality of anti-slip stripes along the circumferential direction.

Optionally, needle tubing seat fixed establishment includes first fixed band, second fixed band and briquetting, the briquetting with connecting rod fixed connection, the one end of first fixed band and one side fixed connection of briquetting, the one end of second elastic band and the opposite side fixed connection of briquetting, the other end of first fixed band and the other end of second elastic band pass through the magic and paste and be connected.

Optionally, infusion tee bend fixed establishment includes third fixed band, mount pad, connecting seat and is used for the three-way fixed part of fixed infusion, and the magic subsides are passed through at the both ends of third fixed band and are connected, mount pad fixed connection in the middle part of third fixed band, and the connecting seat is connected with mount pad detachably, fixed part fixed connection is on the connecting seat.

Optionally, the fixing component includes a U-shaped seat, a pull rod, a first spring, a fixing block, and a first handle, the pull rod slidably penetrates through a sidewall of the U-shaped seat, the fixing block is disposed at an inner end of the pull rod, the first handle is disposed at an outer end of the pull rod, and the first spring is sleeved on the pull rod and is press-fitted between the U-shaped seat and the fixing block.

Optionally, the pressing surface of the fixing block is provided with an arc-shaped groove.

Optionally, the top of mount pad is equipped with connecting seat lateral wall complex draw-in groove, and the inserted bar is worn to be equipped with to the lateral wall slidable of draw-in groove, the lateral wall of connecting seat be equipped with inserted bar complex jack, the one end that the connecting seat was kept away from to the inserted bar is equipped with the second handle, the cover is equipped with the second spring on the inserted bar, the one end of second spring and the lateral wall fixed connection of mount pad, the other end and the second handle fixed connection of second spring.

Optionally, the side wall of the sleeve is provided with an extension pipe fixing mechanism, the fixing mechanism comprises two side plates arranged in parallel, a placing space for placing the extension pipe is formed between the two side plates, a cover plate is arranged at the top of each of the two side plates, one side of the cover plate is hinged with one of the side plates, and the other side of the cover plate is attracted with the other side plate through a magnet.

The utility model discloses following advantage and beneficial effect have at least: the utility model discloses in, needle tubing seat fixed establishment passes through telescopic machanism with infusion tee bend fixed establishment and is connected, during the use, adjust connecting rod insertion tube's the degree of depth and can adjust length, adjust the back and make first toper section and second toper section cooperation through screwing up the retaining member, can will accept the nozzle stub and expand tightly on the connecting rod, make the length of adjusting keep fixed, avoid the patient use mistake to touch and lead to dragging, and then avoid consequently causing and keep somewhere the needle and drop, the fixed effect of needle is kept somewhere to the improvement, it is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a front view of an indwelling needle fastening device according to the present invention;

FIG. 2 is a cross-sectional view of the telescoping mechanism;

FIG. 3 is a cross-sectional view of the female stub;

FIG. 4 is a cross-sectional view of the retaining member;

FIG. 5 is a schematic view of the structure of the stub pipe;

FIG. 6 is a cross-sectional view A-A of FIG. 1;

FIG. 7 is a cross-sectional view B-B of FIG. 1;

FIG. 8 is a partial cross-sectional view C-C of FIG. 1;

icon: 1-needle tube seat fixing mechanism, 101-first fixing band, 102-second fixing band, 103-pressing block, 2-infusion three-way fixing mechanism, 201-third fixing band, 202-mounting seat, 202 a-clamping groove, 203-connecting seat, 204-fixing component, 204 a-U-shaped seat, 204 b-pull rod, 204 c-first spring, 204 d-fixing block, 204 e-first pull handle, 205-inserting rod, 206-second pull handle, 207-second spring, 3-telescopic mechanism, 301-connecting rod, 302-sleeve pipe, 303-locking component, 303 a-second conical section, 303 b-second threaded section, 304-bearing short pipe, 304 a-first conical section, 304 b-first threaded section, 304 c-notch, 4-extension pipe fixing mechanism, 401-side plate, 402-cover plate.

Detailed Description

As shown in figures 1-8, the indwelling needle fixing device comprises a needle tube seat fixing mechanism 1 and an infusion three-way fixing mechanism 2, wherein the needle tube seat fixing mechanism 1 and the infusion three-way fixing mechanism 2 are connected through a telescopic mechanism 3.

The needle tube seat fixing mechanism 1 comprises a first fixing band 101, a second fixing band 102 and a pressing block 103, the pressing block 103 is fixedly connected with a connecting rod 301, an arc-shaped groove is formed in the bottom of the pressing block 103, and a silica gel pad or a latex pad is arranged in the arc-shaped groove to be in contact with the needle tube seat, so that the needle tube seat is fixed.

One end of first fixed band 101 and one side fixed connection of briquetting 103, the one end of second elastic band and the opposite side fixed connection of briquetting 103, the other end of first fixed band 101 and the other end of second elastic band pass through magic subsides (not shown) and connect, in practical application, be equipped with the hook face that the magic was pasted on first fixed band 101, be equipped with the sticky surface that the magic was pasted on second fixed band 102, it is easy to understand, also can set up the hook face that the magic was pasted on second fixed band 102, set up the sticky surface that the magic was pasted on first fixed band 101.

Infusion tee bend fixed establishment 2 includes third fixed band 201, mount pad 202, connecting seat 203 and is used for fixed infusion tee bend's fixed part 204, and the both ends of third fixed band 201 are passed through the magic and are pasted (not shown) and connect, and in practical application, the one end of third fixed band 201 is equipped with the hook face that the magic was pasted, and the other end is equipped with the sticky face that the magic was pasted. The mounting base 202 is fixedly connected to the middle portion of the third fixing strap 201, the connecting base 203 is detachably connected to the mounting base 202, and the fixing member 204 is fixedly connected to the connecting base 203.

Specifically, the top of the mounting seat 202 is provided with a clamping groove 202a matched with the side wall of the connecting seat 203, the side wall of the clamping groove 202a slidably penetrates through the insertion rod 205, the side wall of the connecting seat 203 is provided with an insertion hole matched with the insertion rod 205, one end, away from the connecting seat 203, of the insertion rod 205 is provided with a second handle 206, the insertion rod 205 is sleeved with a second spring 207, one end of the second spring 207 is fixedly connected with the side wall of the mounting seat 202, and the other end of the second spring 207 is fixedly connected with the second handle 206.

So set up, can drive the outside removal of inserted bar 205 through pulling second handle 206 to break away from the jack, can take out connecting seat 203, also be, the dismouting of connecting seat 203 of can being convenient for, convenient cleaning and disinfecting.

The fixing component 204 comprises a U-shaped seat 204a, a pull rod 204b, a first spring 204c, a fixing block 204d and a first handle 204e, the pull rod 204b slidably penetrates through the side wall of the U-shaped seat 204a, the fixing block 204d is arranged at the inner end of the pull rod 204b, the first handle 204e is arranged at the outer end of the pull rod 204b, the first spring 204c is sleeved on the pull rod 204b and is pressed between the U-shaped seat 204a and the fixing block 204d, an arc-shaped groove is formed in a pressing surface of the fixing block 204d, and a silica gel pad or a latex pad is arranged in the arc-shaped groove to be in contact with the side wall of the infusion tee joint.

When the infusion tee joint fixing device is used, the first handle 204e is pulled to drive the pull rod 204b, namely the fixing block 204d, to move outwards, the infusion tee joint is placed in the U-shaped seat 204a, the first handle 204e is loosened, the first spring 204c rebounds, and the infusion tee joint can be pressed through the fixing block 204d, so that the infusion tee joint is fixed. Compared with the prior art, the fixing is more reliable, and the accidental slipping of the infusion tee joint is avoided.

The telescopic mechanism 3 comprises a connecting rod 301, a sleeve 302 and a locking piece 303, one end of the connecting rod 301 is fixedly connected with the needle tube seat fixing mechanism 1, one end of the sleeve 302 is fixedly connected with the transfusion three-way fixing mechanism 2, and the connecting rod 301 is slidably arranged in the sleeve 302 in a penetrating way; one end of the sleeve 302 close to the connecting rod 301 is provided with a short receiving pipe 304, the inner wall of the short receiving pipe 304 is attached to the side wall of the connecting rod 301, one end of the outer wall of the short receiving pipe 304 far away from the sleeve 302 is provided with a first tapered section 304a, the other end of the outer wall of the short receiving pipe 304 is provided with a first threaded section 304b, and the inner wall of the locking member 303 is provided with a second tapered section 303a matched with the first tapered section 304a and a second threaded section 303b matched with the first threaded section 304 b.

During the use, adjust the degree of depth that connecting rod 301 inserted sleeve pipe 302 and can adjust length, because first screw thread section 304b and second screw thread section 303b mutually support, then through twisting retaining member 303, can make retaining member 303 remove to the right side in accepting the short pipe 304 axial to 7, thereby make first toper section 304a and the cooperation of second toper section 303a, and then make retaining member 303 will accept short pipe 304 and expand tightly on connecting rod 301, make the length that adjusts keep fixed, avoid patient's use process mistake to touch and lead to dragging, and then avoid consequently causing the indwelling needle to drop, the fixed effect of indwelling needle has been improved, it is more convenient to use.

In this embodiment, the sidewall of the first tapered section 304a is provided with a plurality of notches 304c along the circumferential direction, so that the first tapered section 304a has good elasticity and can be better tightened on the connecting rod 301.

In this embodiment, the outer wall of the locking member 303 is provided with a plurality of anti-slip stripes (not shown) along the circumferential direction, and the anti-slip stripes are arranged to prevent slipping when the locking member 303 is screwed.

The lateral wall of sleeve pipe 302 is equipped with extension pipe fixed establishment 4, fixed establishment includes two curb plates 401 that set up side by side, form the space of placing that is used for placing the extension pipe between the board 401 of both sides, the top of board 401 of both sides is equipped with apron 402, one side and one of them curb plate 401 of apron 402 are articulated, the opposite side and another curb plate 401 of apron 402 pass through the magnet actuation, in practical application, can keep away from articulated one side bottom at apron 402 and inlay and establish first magnet (not shown), the top of this side curb plate 401 is inlayed and is established second magnet (not shown) that can with first magnet actuation, the top of apron 402 still can set up the handle, be convenient for open apron 402 and get and put the extension pipe. It is worth to say that the extension tube fixing mechanism 4 can fix the extension tube between the indwelling needle tube seat and the transfusion tee joint, and further reduces the use of adhesive plaster.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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

1. The utility model provides a keep somewhere needle fixing device, needle tubing seat fixed establishment (1) and infusion tee bend fixed establishment (2), its characterized in that: the needle tube seat fixing mechanism (1) is connected with the infusion tee joint fixing mechanism (2) through a telescopic mechanism (3), the telescopic mechanism (3) comprises a connecting rod (301), a sleeve (302) and a locking piece (303), one end of the connecting rod (301) is fixedly connected with the needle tube seat fixing mechanism (1), one end of the sleeve (302) is fixedly connected with the infusion tee joint fixing mechanism (2), and the connecting rod (301) is slidably arranged in the sleeve (302) in a penetrating mode; the one end that sleeve pipe (302) is close to connecting rod (301) is equipped with accepts nozzle stub (304), accept nozzle stub (304) inner wall and the lateral wall laminating of connecting rod (301), the one end that sleeve pipe (302) was kept away from to the outer wall of accepting nozzle stub (304) is equipped with first toper section (304a), the outer wall other end of accepting nozzle stub (304) is equipped with first screw thread section (304b), the inner wall of retaining member (303) is equipped with and first toper section (304a) complex second toper section (303a) to and with first screw thread section (304b) complex second screw thread section (303 b).

2. The indwelling needle fastening device according to claim 1, wherein: the side wall of the first conical section (304a) is provided with a plurality of notches (304c) along the circumferential direction.

3. The indwelling needle fastening device according to claim 1, wherein: the outer wall of retaining member (303) is equipped with a plurality of anti-skidding stripes along the circumferencial direction.

4. The indwelling needle fixing device according to claim 1, wherein: the needle tube seat fixing mechanism (1) comprises a first fixing band (101), a second fixing band (102) and a pressing block (103), the pressing block (103) is fixedly connected with the connecting rod (301), one end of the first fixing band (101) is fixedly connected with one side of the pressing block (103), one end of the second elastic band is fixedly connected with the other side of the pressing block (103), and the other end of the first fixing band (101) is connected with the other end of the second elastic band through a magic tape.

5. The indwelling needle fastening device according to claim 1, wherein: infusion tee bend fixed establishment (2) include third fixed band (201), mount pad (202), connecting seat (203) and be used for fixed infusion tee bend fixed part (204), and the magic subsides are passed through at the both ends of third fixed band (201) and are connected, and mount pad (202) fixed connection is in the middle part of third fixed band (201), and connecting seat (203) are connected with mount pad (202) detachably, and fixed part (204) fixed connection is on connecting seat (203).

6. The indwelling needle fastening device according to claim 5, wherein: the fixing component (204) comprises a U-shaped seat (204a), a pull rod (204b), a first spring (204c), a fixing block (204d) and a first handle (204e), the pull rod (204b) slidably penetrates through the side wall of the U-shaped seat (204a), the fixing block (204d) is arranged at the inner end of the pull rod (204b), the first handle (204e) is arranged at the outer end of the pull rod (204b), the first spring (204c) is sleeved on the pull rod (204b), and the first spring (204c) is pressed between the U-shaped seat (204a) and the fixing block (204 d).

7. The indwelling needle fastening device according to claim 6, wherein: and the pressing surface of the fixed block (204d) is provided with an arc-shaped groove.

8. The indwelling needle fastening device according to claim 5, wherein: the top of mount pad (202) is equipped with draw-in groove (202a) with connecting seat (203) lateral wall complex, insert rod (205) are worn to be equipped with by the lateral wall slidable of draw-in groove (202a), the lateral wall of connecting seat (203) is equipped with the jack with insert rod (205) complex, the one end that connecting seat (203) were kept away from in insert rod (205) is equipped with second handle (206), the cover is equipped with second spring (207) on insert rod (205), the one end of second spring (207) and the lateral wall fixed connection of mount pad (202), the other end and the second handle (206) fixed connection of second spring (207).

9. The indwelling needle fixing device according to claim 1, wherein: the side wall of sleeve pipe (302) is equipped with extension pipe fixed establishment (4), and fixed establishment includes two curb plate (401) that set up side by side, forms the space of placing that is used for placing the extension pipe between two curb plate (401), and the top of two curb plates (401) is equipped with apron (402), and one side and one of them curb plate (401) of apron (402) are articulated, and the opposite side and another curb plate (401) of apron (402) pass through the magnet actuation.