CN210931444U

CN210931444U - Novel blood drawing needle

Info

Publication number: CN210931444U
Application number: CN201921690823.6U
Authority: CN
Inventors: 梁瑞
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-07
Anticipated expiration: 2029-10-09

Abstract

A novel blood drawing needle comprises a triangular plate, wherein a rotatable second supporting plate is arranged inside the triangular plate, a second sliding groove is formed in the upper end of the second supporting plate, a second sliding block is connected to the upper end of the second sliding groove in a sliding mode, a pressing structure penetrates through one end, far away from the second sliding groove, of the second supporting plate, and the pressing structure and the second supporting plate form a structure for adjusting the angle of the second supporting plate through the second sliding groove; through setting up first backup pad, can press the structure and adjust the increase faster or reduce the angle of second backup pad on the basis of the angle that the second backup pad was adjusted to medical personnel's work efficiency has been improved.

Description

Novel blood drawing needle

Technical Field

The utility model belongs to the technical field of medical appliances, especially, relate to a novel blood drawing needle.

Background

The blood drawing needle that uses at present, one end is the syringe needle of drawing blood, and the other end is the syringe needle of bleeding, and the syringe needle of drawing blood passes through the connecting pipe to be connected with the syringe needle of bleeding, and medical staff draws blood when using the syringe needle of drawing blood to draw blood for the patient and the syringe needle of drawing blood that the perk is got up easily, can puncture patient's blood vessel, causes the misery to patient. Therefore, the novel blood drawing needle is designed, a small design is added at the position of the blood drawing needle head, so that the medical staff can prevent the needle head from being tilted to puncture the blood vessel when drawing blood for a patient, and the normal blood drawing for the patient is not influenced.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims at providing a novel blood drawing needle, the device novel structure, easy operation are convenient, can adjust the angle of second backup pad through the device and improve the height of blood drawing syringe needle afterbody, and the syringe needle punctures patient's blood vessel because the perk when effectual prevention is drawn blood, reduces patient's misery, improves medical staff's work efficiency.

Including the set-square, the inside of set-square is provided with rotatable second backup pad, the second spout has been seted up to the upper end of second backup pad, the upper end sliding connection of second spout has the second slider, the one end that the second spout was just kept away from to the second backup pad has passed and has penetrated pressing structure, pressing structure and second backup pad constitute second backup pad angle of regulation's structure through the second spout.

Preferably, the pressing structure comprises a push rod, the one end fixedly connected with connecting block of push rod, the connecting block just is close to the one end fixedly connected with second telescopic link of second backup pad, the second telescopic link articulates on the second slider, the upper end fixedly connected with connecting plate of three horns, the connecting plate fixedly connected with button is worn to penetrate by the one end that the connecting block was just kept away from to the push rod, fixedly connected with spring between button and the connecting plate.

Preferably, the one end that the second spout was kept away from to the second backup pad articulates there is first backup pad, just first backup pad fixed connection is on the inner wall of three horns, first spout has been seted up to the lower extreme of first backup pad, sliding connection has first slider on the first spout, first slider articulates there is first telescopic link, just first telescopic link fixed connection is on the connecting block.

Preferably, the number of the inner structures of the triangular plate and the triangular plate is two, and the inner structures are symmetrically distributed on two sides of the blood drawing needle head.

Preferably, the bottom of the second supporting plate is made of rubber material.

Compared with the prior art, the beneficial effects of the utility model are that: the device has a novel structure and is convenient to operate, and the angle of the second supporting plate is adjusted by arranging the pressing structure, so that the blood vessel of a patient can be effectively prevented from being punctured by the blood drawing needle head because of tilting when the medical staff draws blood for the patient, and the pain of the patient is relieved; through setting up first backup pad, can press the structure and adjust the increase faster or reduce the angle of second backup pad on the basis of the angle that the second backup pad was adjusted, improved medical personnel's work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the present invention using a monolithic shaft.

FIG. 2 is a partial semi-sectional view of the present invention

Fig. 3 is a schematic structural diagram of the adjusting device of the present invention.

In the figure: 1-triangular piece, 2-connecting plate, 3-first supporting plate, 4-first sliding chute, 5-first sliding block, 6-first telescopic rod, 7-button, 8-push rod, 9-spring, 10-connecting block, 11-second telescopic rod, 12-second sliding block, 13-second sliding chute and 14-second supporting plate.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The attached drawings are simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, and thus only show the components related to the present invention.

The first embodiment is as follows: as shown in the figures 1-3, the utility model comprises a triangular plate 1, a rotatable second support plate 14 is arranged inside the triangular plate 1, a second chute 13 is arranged at the upper end of the second support plate 14, a second slider 12 is connected at the upper end of the second chute 13 in a sliding manner, a pressing structure penetrates through one end of the second support plate 14 far away from the second chute 13, the pressing structure and the second support plate 14 form a structure for adjusting the angle of the second support plate 14 through the second chute 13, when a medical staff uses the device to draw blood for a patient, the pressing structure is touched while inserting a blood vessel, the pressing structure moves downwards, the pressing structure moving downwards slides downwards on the chute through the slider on the second support plate 14, simultaneously drives the rotatable second support plate 14 to rotate, and the rotated second support plate 4 is contacted with the skin of the patient, thereby preventing the blood vessel of the patient from being punctured by the blood drawing needle head because of tilting during the blood drawing, reducing the pain of the patient and improving the working efficiency of medical staff.

Example two: on the basis of the above embodiment, the pressing structure includes a push rod 8, one end of the push rod 8 is fixedly connected with a connecting block 10, one end of the connecting block 10 close to the second support plate 14 is fixedly connected with a second telescopic rod 11, the second telescopic rod 11 is hinged on a second sliding block 12, the upper end of the triangular plate 1 is fixedly connected with a connecting plate 2, one end of the push rod 8 far away from the connecting block 10 penetrates through the connecting plate 2 and is fixedly connected with a button 7, a spring 9 is fixedly connected between the button 7 and the connecting plate 2, when drawing blood, the medical staff presses the button 7 to drive the push rod 8 to move downwards, the button 7 extrudes the spring, the push rod 8 moving downwards drives the second telescopic rod 11 fixedly connected on the connecting block 12, the second telescopic rod 11 is hinged with the second sliding block 12 to move downwards on a second sliding chute 13, and the second telescopic, meanwhile, the angle of the second supporting plate 14 is increased to extend out of the bottom of the triangular plate 1 to be in contact with the skin of a patient, so that the blood vessel of the patient can be effectively prevented from being punctured by a blood drawing needle head because of tilting when a medical worker draws blood for the patient, and the pain of the patient is relieved; when the blood drawing is finished, the button 7 is loosened, the button 7 drives the push rod 8 to move upwards through the elasticity of the spring 9, meanwhile, the second sliding block 12 moves upwards on the second sliding groove 13, the second sliding block 12 is contracted with the second telescopic rod 11 hinged with the second sliding block, and the angle of the second supporting plate 14 is reduced to retract the bottom of the triangular plate 1.

Example three: on the basis of the above embodiment, one end of the second support plate 14, which is far away from the second chute 13, is hinged with the first support plate 3, the first support plate 3 is fixedly connected to the inner wall of the triangular plate 1, the lower end of the first support plate 3 is provided with the first chute 4, the first chute 4 is connected with the first slider 5 in a sliding manner, the first slider 5 is hinged with the first telescopic rod 6, the first telescopic rod 6 is fixedly connected to the connecting block 10, when the push rod 8 moves downwards, the first telescopic rod 6 fixedly connected to the connecting block 10 extends, and the first slider 5 hinged with the first telescopic rod 6 moves leftwards on the first chute 4, so that the extending first telescopic rod 6 can increase the opening angle of the second support plate 14 more quickly; when the push rod 8 moves upwards, the first telescopic rod 6 contracts, and the contracted first telescopic rod 6 can increase the contraction angle of the second support plate 14 more quickly.

Example four: on the basis of the above embodiment, the number of the inner structures of the triangular plate 1 and the triangular plate 1 is two, and the inner structures are symmetrically distributed on two sides of the blood drawing needle.

Example five: on the basis of above embodiment, the bottom of second backup pad 14 is rubber material, when second backup pad 14 stretched out triangular plate 1 and patient's skin contact, the material of second backup pad 14 bottom is rubber, the effectual frictional force that has increased and patient's skin contact of rubber material in the second backup pad 14 has improved the steadiness and can not hurt the patient again.

The combined action is as follows: when medical staff uses the device to draw blood for a patient, the medical staff presses the button 7 to drive the push rod 8 to move downwards, meanwhile, the button 7 extrudes the spring, the push rod 8 moving downwards drives the second telescopic rod 11 fixedly connected to the connecting block 12, the second telescopic rod 11 is hinged with the second sliding block 12 to move downwards on the second sliding groove 13, the second telescopic rod 11 extends, when the push rod 8 moves downwards, the first telescopic rod 6 fixedly connected to the connecting block 10 extends, the first sliding block 5 hinged with the first telescopic rod 6 moves leftwards on the first sliding groove 4, the extending first telescopic rod 6 can increase the opening angle of the second supporting plate 14 more quickly, meanwhile, the angle of the second supporting plate 14 is increased, the bottom of the triangular plate 1 is extended to be in contact with the skin of the patient, the material at the bottom of the second supporting plate 14 is rubber, the rubber material on the second supporting plate 14 effectively increases the friction force in contact with the skin of the patient, the stability is improved, the patient is not hurt, and the blood vessel of the patient can be effectively prevented from being punctured by the blood drawing needle head because of the tilting when the medical staff draws blood for the patient, so that the pain of the patient is relieved; when drawing blood the end, loosen button 7, button 7 drives push rod 8 through the elasticity of spring 9 self and moves to the top, and second slider 12 moves to the top on second spout 13, and the second telescopic link 11 of second slider 12 articulated shrink, and first telescopic link 6 shrink simultaneously, and the shrink angle of second backup pad 14 can be faster increase to the first telescopic link 6 of shrink, finally the bottom of three corner pieces 1 is retrieved in the angle of second backup pad 14 diminishes.

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 a novel blood drawing needle, includes triangular plate (1), its characterized in that: the inside of triangle piece (1) is provided with rotatable second backup pad (14), second spout (13) have been seted up to the upper end of second backup pad (14), the upper end sliding connection of second spout (13) has second slider (12), the one end that second backup pad (14) and kept away from second spout (13) has passed and has penetrated the press structure, press structure and second backup pad (14) through second spout (13) constitution second backup pad (14) angle regulation's structure.

2. The new blood drawing needle as claimed in claim 1, wherein: the pressing structure comprises a push rod (8), one end fixedly connected with connecting block (10) of the push rod (8), one end fixedly connected with second telescopic rod (11) of the connecting block (10) and close to a second supporting plate (14), the second telescopic rod (11) is hinged to a second sliding block (12), an upper end fixedly connected with connecting plate (2) of a triangular plate (1), one end of the push rod (8) and far away from the connecting block (10) penetrates through a connecting plate (2) fixedly connected with button (7), and a spring (9) is fixedly connected between the button (7) and the connecting plate (2).

3. The new blood drawing needle as claimed in claim 1, wherein: one end that second spout (13) were kept away from in second backup pad (14) articulates there is first backup pad (3), just first backup pad (3) fixed connection is on the inner wall of three square pieces (1), first spout (4) have been seted up to the lower extreme of first backup pad (3), sliding connection has first slider (5) on first spout (4), first slider (5) articulate has first telescopic link (6), just first telescopic link (6) fixed connection is on connecting block (10).

4. The new blood drawing needle as claimed in claim 1, wherein: the number of the inner structures of the triangular plate (1) and the triangular plate (1) is two, and the two inner structures are symmetrically distributed on two sides of the blood drawing needle head.

5. The new blood drawing needle as claimed in claim 1, wherein: the bottom of the second supporting plate (14) is made of rubber materials.