CN217448618U

CN217448618U - Automatic withdraw of core keep somewhere needle

Info

Publication number: CN217448618U
Application number: CN202220673153.2U
Authority: CN
Inventors: 卢肖蕾; 雷双燕
Original assignee: Shaanxi Provincial Cancer Hospital
Current assignee: Shaanxi Provincial Cancer Hospital
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-09-20
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses an automatic move back needle of keeping somewhere of core, including the needle file, the inside of needle file is provided with the connecting block, the side of connecting block is provided with the link, the lower surface of connecting block is provided with compression spring, compression spring keeps away from the one end of connecting block and is provided with the mounting panel, be provided with the transfusion cavity between mounting panel and the needle file bottom, the side of needle file is provided with the hose, the position of hose is corresponding with the position in transfusion cavity, the lower surface of connecting block is provided with the nook closing member, the bottom in transfusion cavity is provided with the cylinder, the one end of nook closing member is located inside the cylinder, the outside of cylinder is provided with the protective housing. The utility model discloses a be provided with a series of structures, avoided keeping somewhere the nook closing member of needle and stayed patient's blood vessel, increased patient's misery, reduced the operation degree of difficulty that moves back the needle, hoisting device's practicality.

Description

Automatic withdraw of core keep somewhere needle

Technical Field

The utility model relates to the technical field of medical treatment, specifically an automatic move back needle of keeping somewhere of core.

Background

The venous indwelling needle is simple and convenient to operate, is suitable for puncturing any part, relieves the pain of repeated puncturing of a patient, relieves the workload of nursing staff, is clinically well received by patients, is a Y-shaped indwelling needle for clinical use at present, and can be slowly ejected by pressing a button when the Y-shaped indwelling needle is used.

However, in the process of using the indwelling needle, after the puncture needle core and the indwelling needle tube puncture and return blood, the puncture needle core needs to be matched with both hands to be pulled out so as to enable the needle head to retract back into the indwelling needle tube, the needle head of the puncture needle core in the process of continuing to push forward is prevented from causing injury to the blood vessel, meanwhile, the needle core of the indwelling needle in the existing part needs to be matched with both hands to complete the operation, the operation is complex when the needle is withdrawn, the blood vessel of a patient is easily damaged due to too fast rebound, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic move back needle of keeping somewhere of core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic move back needle of keeping somewhere of core, includes the needle file, the inside of needle file is provided with the connecting block, the side of connecting block is provided with the link, the lower surface of connecting block is provided with compression spring, the one end that compression spring kept away from the connecting block is provided with the mounting panel, be provided with the transfusion chamber between mounting panel and the needle file bottom, the side of needle file is provided with the hose, the position of hose is corresponding with the position in transfusion chamber, the lower surface of connecting block is provided with the needle core, the bottom in transfusion chamber is provided with the cylinder, the one end of needle core is located inside the cylinder, the outside of cylinder is provided with the protective housing, the bottom of needle file is provided with the fixed slot, the one end and the fixed slot accordant connection of protective housing.

Preferably, the connecting frame is L-shaped, one end of the connecting frame penetrates through the needle seat, and a handheld plate is arranged on the outer side of the connecting frame.

Preferably, the needle cylinder and the needle core both penetrate through the bottom of the needle base, and the outer side of the needle base is provided with the adhesive patch.

Preferably, the upper surface of mounting panel is provided with the locating plate, the locating plate is cavity setting, the draw-in groove has been seted up to the inside side of locating plate, the inside push pedal that is provided with of draw-in groove, one side that the draw-in groove was kept away from to the push pedal is provided with the connecting rod, the one end that the push pedal was kept away from to the connecting rod is provided with the pressing block.

Preferably, the lower surface of the connecting frame is provided with a positioning block, the side surface of the positioning block is provided with a clamping block, and the clamping block is matched with a clamping groove in the positioning plate.

Preferably, the connecting rod passes locating plate side and needle file side, the connecting rod surface is provided with reset spring, reset spring is located needle file side inside.

Preferably, the bottom end of the interior of the needle seat is arranged in an inclined manner, the outer surface of the protective shell is provided with an anti-slip groove, a guide rod is arranged inside the compression spring and penetrates through the connecting frame, and a speed reduction block is arranged between the guide rod and the connecting frame.

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

1. this automatic move back needle of keeping somewhere of core promotes the link through the handheld board that sets up and removes, makes the link drive the connecting block and compresses compression spring, makes the locating piece be located inside the locating plate simultaneously to adjust the position of nook closing member in the cylinder, hoisting device's practicality.

2. This automatic move back needle of keeping somewhere of core, carry out accordant connection through the fixture block that sets up and the inside draw-in groove of locating plate, make the fixture block be located inside the draw-in groove, press the briquetting through inwards pressing simultaneously, make and drive the connecting rod according to the briquetting and remove, the connecting rod removes and drives the push pedal and remove, make the push pedal push away the fixture block from the draw-in groove, make the locating piece break away from the locating plate, and under compression spring's effect, make the nook closing member kick-back, the connecting rod resets under reset spring's effect with according to the briquetting simultaneously, the nook closing member of avoiding keeping somewhere the needle stays in patient's blood vessel, increase patient's misery, reduce the operation degree of difficulty, hoisting device's practicality.

3. This automatic move back needle of keeping somewhere of core rubs the guide bar through the speed reduction piece to reduce the speed that compression spring kick-backed, make compression spring slowly kick-backs, avoid the nook closing member to kick-back too fast, cause injury, hoisting device's practicality to patient.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention in an operating state;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a needle seat; 2. connecting blocks; 3. a connecting frame; 4. a hand-held board; 5. a compression spring; 6. mounting a plate; 7. a hose; 8. a sticker; 9. a transfusion cavity; 10. fixing grooves; 11. a protective shell; 12. a needle cylinder; 13. a needle core; 14. positioning a plate; 15. positioning blocks; 16. a clamping block; 17. a pressing block; 18. a connecting rod; 19. pushing the plate; 20. a return spring; 21. a guide bar; 22. and a deceleration block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the indwelling needle with the automatic core-withdrawing function of the embodiment includes a needle base 1, a connecting block 2 is arranged inside the needle base 1, a connecting frame 3 is arranged on the side surface of the connecting block 2, a compression spring 5 is arranged on the lower surface of the connecting block 2, a mounting plate 6 is arranged at one end of the compression spring 5 away from the connecting block 2, an infusion cavity 9 is arranged between the mounting plate 6 and the bottom of the needle base 1, a hose 7 is arranged on the side surface of the needle base 1, the position of the hose 7 corresponds to the position of the infusion cavity 9, a needle core 13 is arranged on the lower surface of the connecting block 2, a needle cylinder 12 is arranged at the bottom of the infusion cavity 9, one end of the needle core 13 is arranged inside the needle cylinder 12, a protective shell 11 is arranged outside the needle cylinder 12, a fixing groove 10 is arranged at the bottom of the needle base 1, one end of the protective shell 11 is connected with the fixing groove 10 in a matching manner, the connecting frame 3 is pushed by a hand-held plate 4, so that the connecting block 3 drives the connecting block 2 to compress the compression spring 5, meanwhile, the positioning block 15 is positioned inside the positioning plate 14, so that the position of the needle core 13 in the needle cylinder 12 is adjusted, and the practicability of the device is improved.

Specifically, the connecting frame 3 is arranged in an L shape, one end of the connecting frame 3 penetrates through the needle base 1, the outer side of the connecting frame 3 is provided with the handheld plate 4, the needle cylinder 12 and the needle core 13 both penetrate through the bottom of the needle base 1, and the outer side of the needle base 1 is provided with the adhesive sheet 8.

Furthermore, the upper surface of the mounting plate 6 is provided with a positioning plate 14, the positioning plate 14 is hollow, the inner side surface of the positioning plate 14 is provided with a clamping groove, the inner side of the clamping groove is provided with a push plate 19, one side of the push plate 19, which is far away from the clamping groove, is provided with a connecting rod 18, one end of the connecting rod 18, which is far away from the push plate 19, is provided with a pressing block 17, the lower surface of the connecting frame 3 is provided with a positioning block 15, the side surface of the positioning block 15 is provided with a fixture block 16, the fixture block 16 is matched with the clamping groove in the positioning plate 14, the fixture block 16 is positioned in the clamping groove by matching and connecting the fixture block 16 with the clamping groove in the positioning plate 14, meanwhile, by pressing the pressing block 17 inwards, the pressing block 17 drives the connecting rod 18 to move, the connecting rod 18 moves to drive the push plate 19 to move, so that the push plate 19 pushes the fixture block 16 away from the clamping groove, the positioning block 15 is separated from the positioning plate 14, and under the action of the compression spring 5, make nook closing member 13 kick-back, connecting rod 18 resets under reset spring 20's effect with the pressing block 17 simultaneously, avoids keeping somewhere nook closing member 13 of needle and stays in patient's blood vessel, increases patient's misery, reduces the operation degree of difficulty, hoisting device's practicality.

Furthermore, the connecting rod 18 passes locating plate 14 side and needle file 1 side, and connecting rod 18 surface is provided with reset spring 20, and inside reset spring 20 was located needle file 1 side, and the inside bottom of needle file 1 was the slope form and sets up, and the antiskid groove has been seted up to the surface of protective housing 11, the inside guide bar 21 that is provided with of compression spring 5, guide bar 21 passes link 3, be provided with speed reduction block 22 between guide bar 21 and the link 3, when compression spring 5 kick-backs, lead to through guide bar 21, rub guide bar 21 through speed reduction block 22 simultaneously to reduce the speed that compression spring 5 kick-backed, make compression spring 5 kick-backs slowly, avoid the nook closing 13 to kick-back too fast, cause the injury to patient, hoisting device's practicality.

The using method of the embodiment comprises the following steps: firstly, taking out the device, then pulling out the protective shell 11 to separate the protective shell 11 from the fixed groove 10, meanwhile, pushing the connecting frame 3 to move through the arranged hand-held plate 4, enabling the connecting frame 3 to drive the connecting block 2 to compress the compression spring 5, simultaneously enabling the positioning block 15 to be positioned inside the positioning plate 14, thereby adjusting the position of the needle core 13 in the needle cylinder 12, enabling the clamping block 16 to be in matched connection with the clamping groove inside the positioning plate 14 through the arranged clamping block 16, enabling the clamping block 16 to be positioned inside the clamping groove, enabling the needle core 13 to be exposed, fixing the position of the needle core 13, then carrying out intravenous injection on a patient, after blood returns, pressing the pressing block 17 inwards, enabling the pressing block 17 to drive the connecting rod 18 to move, enabling the connecting rod 18 to move to drive the push plate 19 to move, enabling the push plate 19 to push the clamping block 16 away from the clamping groove, enabling the positioning block 15 to be separated from the positioning plate 14, and under the action of the compression spring 5, make nook closing member 13 kick-back, when compression spring 5 rebounds, lead through guide bar 21, rub guide bar 21 through speed reduction piece 22 simultaneously to reduce the speed that compression spring 5 rebounded, make compression spring 5 slowly rebound, avoid nook closing member 13 to kick-back too fast, connecting rod 18 resets under reset spring 20's effect with pressing block 17 simultaneously, the nook closing member 13 of avoiding remaining the needle stays in patient's blood vessel can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 an automatic withdraw needle of keeping somewhere of core, includes needle file (1), its characterized in that: the needle base is characterized in that a connecting block (2) is arranged inside the needle base (1), a connecting frame (3) is arranged on the side face of the connecting block (2), a compression spring (5) is arranged on the lower surface of the connecting block (2), a mounting plate (6) is arranged at one end, far away from the connecting block (2), of the compression spring (5), a transfusion cavity (9) is arranged between the mounting plate (6) and the bottom of the needle base (1), a hose (7) is arranged on the side face of the needle base (1), the position of the hose (7) corresponds to the position of the transfusion cavity (9), a needle core (13) is arranged on the lower surface of the connecting block (2), a needle cylinder (12) is arranged at the bottom of the transfusion cavity (9), one end of the needle core (13) is located inside the needle cylinder (12), a protective shell (11) is arranged on the outer side of the needle cylinder (12), a fixing groove (10) is arranged at the bottom of the needle base (1), one end of the protective shell (11) is connected with the fixing groove (10) in a matching mode.

2. The automatic core-withdrawing indwelling needle according to claim 1, wherein: the needle file is characterized in that the connecting frame (3) is arranged in an L shape, one end of the connecting frame (3) penetrates through the needle seat (1), and a handheld plate (4) is arranged on the outer side of the connecting frame (3).

3. The automatic core-withdrawing indwelling needle according to claim 1, wherein: the needle cylinder (12) and the needle core (13) both penetrate through the bottom of the needle base (1), and the adhesive sheet (8) is arranged on the outer side of the needle base (1).

4. The automatic core-withdrawing indwelling needle according to claim 1, wherein: the upper surface of mounting panel (6) is provided with locating plate (14), locating plate (14) are the cavity setting, the draw-in groove has been seted up to the inside side of locating plate (14), draw-in groove inside is provided with push pedal (19), one side that the draw-in groove was kept away from in push pedal (19) is provided with connecting rod (18), the one end that push pedal (19) were kept away from in connecting rod (18) is provided with and presses briquetting (17).

5. The automatic core-withdrawing indwelling needle according to claim 1, wherein: the lower surface of the connecting frame (3) is provided with a positioning block (15), a clamping block (16) is arranged on the side surface of the positioning block (15), and the clamping block (16) is matched with a clamping groove in the positioning plate (14).

6. The automatic coring indwelling needle according to claim 4, wherein: the connecting rod (18) penetrates through the side face of the positioning plate (14) and the side face of the needle seat (1), a return spring (20) is arranged on the surface of the connecting rod (18), and the return spring (20) is located inside the side face of the needle seat (1).

7. The automatic core-withdrawing indwelling needle according to claim 1, wherein: the anti-skidding needle file is characterized in that the bottom end of the interior of the needle base (1) is obliquely arranged, an anti-skidding groove is formed in the outer surface of the protective shell (11), a guide rod (21) is arranged inside the compression spring (5), the guide rod (21) penetrates through the connecting frame (3), and a speed reducing block (22) is arranged between the guide rod (21) and the connecting frame (3).