CN212973756U - Disposable scalp needle injury-proof needle head for venous transfusion - Google Patents

Abstract

The utility model relates to a venous transfusion scalp acupuncture technical field specifically is a disposable scalp acupuncture damage prevention syringe needle of venous transfusion, including nook closing member and needle handle, the needle handle includes the needle handle main part, and needle handle main part front end cover has last needle handle, and the terminal cover of needle handle main part has lower needle handle, and lower needle handle end is equipped with the pipe, goes up the needle handle front end and is equipped with the damage prevention head, and the end of nook closing member passes the damage prevention head and goes up the needle handle and fix in the needle handle main part, and the needle core front end is the needle point of sharp-pointed form. This disposable scalp acupuncture of venous transfusion prevents injury syringe needle, rotatory pine needle handle and the push-up drive prevents that injury head slides up to the end and blocks the locking after the infusion is accomplished, plays the guard action to the needle point, and rotatory pine needle handle down again takes off needle handle main part, needle handle and nook closing member from the pipe, throws into sharp ware box centralized processing, has solved the needle point and has caused the problem of secondary damage to medical staff easily after the use.

Description

Disposable scalp needle injury-proof needle head for venous transfusion

Technical Field

The utility model relates to the technical field of venous transfusion scalp acupuncture, in particular to a disposable scalp acupuncture injury-proof needle head for venous transfusion.

Background

In view of the fact that the needle point of the disposable scalp needle for venous transfusion is sharp and secondary injury is easily caused to medical staff after use, an anti-injury needle head of the disposable scalp needle for venous transfusion is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable scalp acupuncture injure-proof syringe needle of venous transfusion to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a disposable scalp needle injury-preventing needle head for venous transfusion comprises a needle core and a needle handle, wherein the needle handle comprises a needle handle main body, an upper needle handle is sleeved at the front end of the needle handle main body, a lower needle handle is sleeved at the tail end of the needle handle main body, a catheter fixedly connected with the lower needle handle is arranged at the tail end of the lower needle handle, a first sliding through hole which penetrates through the needle handle is formed in the central position of the front end of the upper needle handle, an injury-preventing head fixedly connected with the upper needle handle is arranged at the front end of the upper needle handle, a second sliding through hole which penetrates through the needle handle is formed in the central position of the front end of the injury-preventing head, the tail end of the needle core sequentially penetrates through the first sliding through hole and the second sliding through hole to be fixed on the needle handle main body, the needle core is of a hollow structure, the front end of the needle head is a needle point of a sharp-pointed structure, a first sliding chute which is semi-annular is formed in the, the second sliding groove is communicated with the tail end of the first sliding groove, a clamping hole is formed in the bottom of the tail end of the second sliding groove, the first sliding groove, the second sliding groove and the clamping hole are not communicated with the inside of the needle core, a first connecting hole is formed in the center of the tail end of the upper needle handle, a compression spring is arranged on the inner wall of the first connecting hole, a clamping block is connected to the tail end of the compression spring, and the clamping block is in sliding connection with the first sliding groove and the second sliding groove.

Preferably, the inner diameter of the first connection hole is matched with the outer diameter of the needle handle body, and the front end of the needle handle body is sleeved in the first connection hole.

Preferably, a second connecting hole is formed in the center of the front end of the lower needle handle, the inner diameter of the second connecting hole is matched with the outer diameter of the needle handle main body, and the rear end of the needle handle main body is sleeved in the second connecting hole.

Preferably, a first plastic handle is arranged on the outer side wall of the needle handle main body, and the first plastic handle and the needle handle main body are of an integrally formed structure.

Preferably, a second plastic handle is arranged on the outer side wall of the upper needle handle, and the second plastic handle and the upper needle handle are of an integrally formed structure.

Preferably, a third plastic handle is arranged on the outer side wall of the lower needle handle, and the third plastic handle and the lower needle handle are of an integrally formed structure.

Preferably, the inner diameter of the first sliding through hole and the inner diameter of the second sliding through hole are matched with the outer diameter of the needle head.

Preferably, the outer diameter of the fixture block is matched with the inner diameter of the fixture hole.

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

this disposable scalp acupuncture injure-proof syringe needle of venous transfusion, through dividing into needle handle main part, needle handle and needle handle triplex down with the needle handle, rotatory pine needle handle after the infusion is accomplished to push up the needle handle and drive the overhead end of injure-proof and slide to the end and block the locking, play the guard action to the needle point, rotatory pine needle handle down again, take off needle handle main part, needle handle and needle core from the pipe, throw into centralized processing in the sharp ware box, solved the needle point and caused the problem of secondary damage to medical staff easily after the use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the needle head of the present invention;

FIG. 3 is a schematic structural view of the middle needle handle of the present invention;

FIG. 4 is a schematic structural view of the needle handle body of the present invention;

FIG. 5 is a schematic structural view of the needle shaft of the present invention;

FIG. 6 is an enlarged view of the needle feeding handle at A in the structural schematic view of the present invention;

FIG. 7 is a schematic structural view of the middle and lower needle handle of the present invention;

fig. 8 is a schematic structural view of the middle damage prevention head of the present invention.

In the figure: 1. a needle core; 10. a first chute; 11. a second chute; 12. a clamping hole; 13. a needle tip; 2. a needle handle; 3. a needle handle body; 30. a first plastic handle; 4. a needle feeding handle; 40. a first connection hole; 41. a second plastic handle; 42. a first sliding via; 43. a compression spring; 44. a clamping block; 5. a needle handle is arranged; 50. a second connection hole; 51. a third plastic handle; 6. an anti-injury head; 60. a second sliding via; 7. a conduit.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 8, the present invention provides a technical solution:

a disposable scalp needle injury-preventing needle head for venous transfusion comprises a needle core 1 and a needle handle 2, wherein the needle handle 2 comprises a needle handle main body 3, an upper needle handle 4 is sleeved at the front end of the needle handle main body 3, a lower needle handle 5 is sleeved at the tail end of the needle handle main body 3, a catheter 7 fixedly connected with the lower needle handle 5 is arranged at the tail end of the lower needle handle 5, a first penetrating sliding through hole 42 is formed in the center position of the front end of the upper needle handle 4, an injury-preventing head 6 fixedly connected with the upper needle handle 4 is arranged at the front end of the upper needle handle 4, a second penetrating sliding through hole 60 is formed in the center position of the front end of the injury-preventing head 6, the tail end of the needle core 1 sequentially penetrates through the first sliding through hole 42 and the second sliding through hole 60 to be fixed on the needle handle main body 3, the needle core 1 is of a hollow structure, and the front; be equipped with first plastic handle 30 on the needle holder main part 3 lateral wall, and first plastic handle 30 and needle holder main part 3 be integrated into one piece structure, and the user of being convenient for holds between the fingers needle holder main part 3 through holding between the fingers first plastic handle 30.

In this embodiment, a semi-annular first sliding groove 10 is disposed on the outer side wall of the stylet 1 near the rear edge thereof, a second sliding groove 11 is disposed on the outer side wall of the stylet 1 along the axial direction thereof, the second sliding groove 11 is communicated with the end of the first sliding groove 10, a fastening hole 12 is disposed at the bottom of the end of the second sliding groove 11, a first connection hole 40 is disposed at the center of the end of the upper needle handle 4, the inner diameter of the first connection hole 40 is matched with the outer diameter of the needle handle body 3, the front end of the needle handle body 3 is sleeved in the first connection hole 40, a compression spring 43 is disposed on the inner wall of the first connection hole 40, the end of the compression spring 43 is connected with a clamping block 44, the clamping block 44 is slidably connected with the first sliding groove 10 and the second sliding groove 11, the outer diameter of the clamping block 44 is matched with the inner diameter of the fastening hole 12, a second plastic handle 41 is disposed on the outer side wall of the upper needle handle 4, and the second, initially, the fixture block 44 is in the first sliding groove 10, after the use, the user pinches the second plastic handle 41 and rotates along the first sliding groove 10 to drive the compression spring 43 and the fixture block 44 to move to the end of the first sliding groove 10, then the second plastic handle 41 is pushed upwards to drive the compression spring 43, the fixture block 44 and the damage-proof head 6 to move upwards until the compression spring 43 and the fixture block 44 move to the end of the second sliding groove 11, at this time, the damage-proof head 6 extends to the outside of the front side of the needle core 1 to protect the tip of the needle head, meanwhile, the fixture block 44 is right above the clamping hole 12, the fixture block 44 is pushed by the elastic potential energy of the compression spring 43 to enter the clamping hole 12, and the fixture block 44, the upper needle handle 4 and the damage-proof head 6 are locked to prevent the loosening thereof.

In addition, a second connecting hole 50 is formed in the center of the front end of the lower needle handle 5, the inner diameter of the second connecting hole 50 is matched with the outer diameter of the needle handle main body 3, the rear end of the needle handle main body 3 is sleeved in the second connecting hole 50, a third plastic handle 51 is arranged on the outer side wall of the lower needle handle 5, the third plastic handle 51 and the lower needle handle 5 are of an integrally formed structure, and a user holds the third plastic handle 51 and rotates to drive the lower needle handle 5 to rotate to separate from the needle handle main body 3.

Further, the inner diameter of the first sliding through hole 42 and the inner diameter of the second sliding through hole 60 are both matched with the outer diameter of the stylet 1, so that the damage-proof head 6 can move along the direction of the second chute 11 smoothly under the driving of the upper needle handle 4.

Specifically, the first sliding groove 10, the second sliding groove 11 and the clamping hole 12 are not communicated with the interior of the needle core 1, so that the liquid medicine is prevented from leaking from the first sliding groove 10, the second sliding groove 11 or the clamping hole 12 during infusion.

When the disposable scalp needle injury-proof needle head for venous transfusion is used, a user firstly checks the integrity of the injury-proof needle head and then transfuses the needle head to a patient; after the transfusion is finished, a user firstly pinches the first plastic handle 30 with one hand and controls the needle handle main body 3 to be immobile; then the other hand pinches the second plastic handle 41 and rotates along the direction of the first sliding chute 10 to drive the compression spring 43 and the fixture block 44 to move to the tail end of the first sliding chute 10, then the second plastic handle 41 is pushed upwards to drive the compression spring 43, the fixture block 44 and the injury-proof head 6 to move upwards until the compression spring 43 and the fixture block 44 move to the tail end of the second sliding chute 11, at the moment, the injury-proof head 6 extends to the outside of the front side of the needle core 1 to protect the tip of the needle head, meanwhile, the fixture block 44 is right above the clamping hole 12, the fixture block 44 is pushed into the clamping hole 12 by the elastic potential energy of the compression spring 43, and the fixture block 44, the upper needle handle 4 and the injury-proof head 6 are locked; then the third plastic handle 51 is pinched and rotated to drive the lower needle handle 5 to rotate and separate from the needle handle main body 3; finally, the needle handle body 3, the upper needle handle 4 and the needle core 1 are taken down from the catheter 6 and are thrown into a sharp box for centralized processing.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a disposable scalp acupuncture injure-proof syringe needle of venous transfusion, includes nook closing member (1) and needle handle (2), its characterized in that: the needle handle (2) comprises a needle handle main body (3), the front end of the needle handle main body (3) is sleeved with an upper needle handle (4), the tail end of the needle handle main body (3) is sleeved with a lower needle handle (5), the tail end of the lower needle handle (5) is provided with a catheter (7) fixedly connected with the lower needle handle, the front end central position of the upper needle handle (4) is provided with a first sliding through hole (42) which penetrates through the needle handle, the front end of the upper needle handle (4) is provided with an anti-damage head (6) fixedly connected with the upper needle handle, the front end central position of the anti-damage head (6) is provided with a second sliding through hole (60) which penetrates through the needle handle main body (3), the tail end of the needle core (1) sequentially penetrates through the first sliding through hole (42) and the second sliding through hole (60) to be fixed on the needle handle main body (3), the needle core (1) is of a hollow structure, and the front end of the, a semi-annular first sliding chute (10) is arranged on the outer side wall of the stylet (1) near the rear side edge thereof, the outer side wall of the stylet (1) is provided with a second chute (11) along the axial direction thereof, the second sliding chute (11) is communicated with the tail end of the first sliding chute (10), the bottom of the tail end of the second sliding chute (11) is provided with a clamping hole (12), the first sliding groove (10), the second sliding groove (11) and the clamping hole (12) are not communicated with the interior of the needle core (1), a first connecting hole (40) is arranged at the center of the tail end of the upper needle handle (4), a compression spring (43) is arranged on the inner wall of the first connecting hole (40), the tail end of the compression spring (43) is connected with a clamping block (44), the clamping block (44) is connected with the first sliding groove (10) and the second sliding groove (11) in a sliding mode; the inner diameter of the first connecting hole (40) is matched with the outer diameter of the needle handle main body (3), and the front end of the needle handle main body (3) is sleeved in the first connecting hole (40); a second connecting hole (50) is formed in the center of the front end of the lower needle handle (5), the inner diameter of the second connecting hole (50) is matched with the outer diameter of the needle handle main body (3), and the rear end of the needle handle main body (3) is sleeved in the second connecting hole (50); a first plastic handle (30) is arranged on the outer side wall of the needle handle main body (3), and the first plastic handle (30) and the needle handle main body (3) are of an integrally formed structure; the outer side wall of the upper needle handle (4) is provided with a second plastic handle (41), and the second plastic handle (41) and the upper needle handle (4) are of an integrally formed structure.

2. The disposable scalp acupuncture anti-injury needle head for intravenous infusion according to claim 1, characterized in that: the outer side wall of the lower needle handle (5) is provided with a third plastic handle (51), and the third plastic handle (51) and the lower needle handle (5) are of an integrally formed structure.

3. The disposable scalp acupuncture anti-injury needle head for intravenous infusion according to claim 1, characterized in that: the inner diameter of the first sliding through hole (42) and the inner diameter of the second sliding through hole (60) are matched with the outer diameter of the needle core (1).

4. The disposable scalp acupuncture anti-injury needle head for intravenous infusion according to claim 1, characterized in that: the outer diameter of the fixture block (44) is matched with the inner diameter of the fixture hole (12).

Images