CN110721365A

CN110721365A - Medical injection needle

Info

Publication number: CN110721365A
Application number: CN201910998041.7A
Authority: CN
Inventors: 鲍天琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-01-24
Anticipated expiration: 2039-10-21
Also published as: CN110721365B

Abstract

The invention provides a medical injection needle. The invention comprises a needle head with a needle point at the end part and a clamping sheet arranged on the needle head, wherein a mounting hole is arranged in the clamping sheet in a penetrating manner, the needle head penetrates in the mounting hole, and an adhesive layer is arranged on one side of the clamping sheet and can be adhered to the back of a hand of a patient; the needle-inserting device is characterized by further comprising an attaching sheet, the attaching sheet is hinged to the clamping sheet, a wound plaster is attached to the attaching sheet, the attaching sheet can rotate to one side of the clamping sheet or one side of the needle point of the needle head around a hinged point, and after the attaching sheet rotates to one side of the needle point of the needle head, the wound plaster on the attaching sheet can be attached to the needle inserting position of the needle head on the back of the hand of a patient. Above-mentioned medical syringe needle through the improvement of structure, rationally gives the adhesive bandage and places the position, and the whole convenience that uses is high, and it is high to doctorse and nurses and experience.

Description

Medical injection needle

Technical Field

The invention relates to a medical care appliance, in particular to a medical injection needle.

Background

In medical care, a hanging drop is usually involved, and a common drop injection head structurally comprises a needle head, and a clamping piece is arranged on the needle head.

In the process of hanging the drip infusion, medical staff can hold the tool and clamp the tool on the clamping sheet, the needle head on the drip infusion head is pricked on the back of the hand of a patient, and after the needle is pricked, the medical staff can paste the wound plaster prepared in the medical box in the past on the back of the hand of the patient.

Above-mentioned needle insertion in-process, medical personnel need additionally prepare the adhesive bandage in medical clothing pocket, and the simple operation nature is poor, and medical experience is low.

Disclosure of Invention

In view of this, the present invention provides a medical injection needle, in which a bandage provided on an attachment sheet can be directly attached to a needle insertion position of a needle without preparing an additional bandage, and the medical injection needle has high convenience and high medical experience.

In order to solve the technical problems, the technical scheme of the invention is as follows: a medical injection needle comprises a needle head with a needle point at the end part and a clamping sheet arranged on the needle head, wherein a mounting hole is arranged in the clamping sheet in a penetrating manner, the needle head penetrates in the mounting hole, and an adhesive layer is arranged on one side of the clamping sheet and can be adhered to the back of a hand of a patient;

the needle-inserting device is characterized by further comprising an attaching sheet, the attaching sheet is hinged to the clamping sheet, a wound plaster is attached to the attaching sheet, the attaching sheet can rotate to one side of the clamping sheet or one side of the needle point of the needle head around a hinged point, and after the attaching sheet rotates to one side of the needle point of the needle head, the wound plaster on the attaching sheet can be attached to the needle inserting position of the needle head on the back of the hand of a patient.

Through the technical scheme, before the adhesive bandage is used, the adhesive sheet rotates to one side of the clamping sheet around the hinge point, the adhesive sheet and the clamping sheet are basically attached to each other, and the wound bandage is attached to the adhesive sheet;

when injection operation is needed, medical personnel hold the clamping tool by hands, the clamping tool is clamped on the needle head, the needle head on the clamping sheet can be inserted into the back of a hand of a patient, after the needle insertion is completed, the adhesive layer on the clamping sheet can be adhered to the skin of the back of the hand of the patient, then the attaching sheet can be turned over around the hinge point, and the adhesive bandage on the attaching sheet can be attached to the needle insertion position of the back of the hand of the patient;

when the needle needs to be pulled out, medical staff only need to apply force to the needle head directly, the needle head can be pulled out from the back of the hand of a patient, and at the moment, the clamping piece, the attaching piece and the wound plaster attached to the attaching piece are remained on the back of the hand of the patient;

above-mentioned medical syringe needle through the improvement of structure to give the adhesive bandage and place the position rationally, it is high to use the convenience, and it is high to doctorse and nurses and experience.

Preferably, still include the adapter sleeve, the syringe needle runs through in the adapter sleeve, it has the centre gripping connecting rod to extend on the grip block, it has attached connecting rod to extend on the attached piece, and the centre gripping connecting rod tip that deviates from the clamping piece is connected in the adapter sleeve, and the attached connecting rod tip that deviates from the attached piece articulates in the adapter sleeve, the pin joint between clamping piece and the attached piece is located the adapter sleeve.

Through above-mentioned technical scheme, adapter sleeve, holding piece both mutually support with the syringe needle, can effectively promote three complex stability, are favorable to promoting whole stability in use.

Preferably, the inner sleeve wall of the connecting sleeve is provided with a rolling body, and the outer surface of the rolling body is contacted with the outer surface of the needle head.

Through above-mentioned technical scheme, because pulling out the needle in-process, the syringe needle can take place to slide each other with the adapter sleeve between, at this moment, sets up the rolling element on the inner tube wall of adapter sleeve cover, and the rolling physical stamina effectively reduces the frictional force between syringe needle and the adapter sleeve inner tube wall, promotes the smooth and easy degree of pulling out the needle process.

Preferably, the clamping device further comprises a connecting spring, and two ends of the connecting spring are respectively connected to the end part of the clamping connecting rod close to the clamping piece and the clamping piece.

Through above-mentioned technical scheme, at the medical and nursing in-process, disease acupuncture position and holding piece position change, at this moment, after the acupuncture is accomplished, can overturn earlier attached piece, pull the adapter sleeve again, the adapter sleeve overcomes connecting spring's elastic force effect, the adapter sleeve can take place to correspond along the length direction of syringe needle and move, then according to the acupuncture position, the attached piece that will have the adhesive bandage again rotates attached on this acupuncture position, so the structure setting, it is higher to use the flexibility ratio.

Preferably, still include spacing portion, spacing portion is including setting up the cell body on the mounting hole pore wall, install spacing spring, spacing spheroid in the cell body, spacing spring is used for promoting spacing spheroid and moves toward the syringe needle direction, the syringe needle surface is equipped with the caulking groove that supplies the embedding of spacing spheroid.

Through the technical scheme, the elastic force of the limiting spring can act on the limiting ball body, the limiting ball body is matched with the caulking groove on the outer surface of the needle head, so that the needle head and the clamping piece are relatively fixed, and medical personnel can clamp the clamping piece or the needle head by using a clamping tool according to the operation habit of the medical personnel during the operation of puncturing;

in addition, when the needle head needs to be pulled out, only the clamping pieces need to be fixed, force is applied to the needle head, at the moment, the groove wall of the caulking groove can generate extrusion force on the limiting ball body, the limiting ball body overcomes the elastic action of the limiting spring, the limiting ball body can move in the direction deviating from the corresponding caulking groove, and the needle head can move relative to the clamping pieces.

Preferably, the number of the limiting parts is two or more, and all the limiting parts are distributed in a circumferential array by taking the length direction of the needle head as an axial lead.

Through the technical scheme, on one hand, the plurality of limiting parts have a limiting effect on the needle head, and the needle head is higher in connection firmness with the clamping sheet; on the other hand, the limiting parts distributed in the circumferential direction can ensure that the moving stability is higher when the needle head is pulled out.

Preferably, the lateral wall that the holding piece deviates from the syringe needle point is equipped with the mounting groove, the mounting groove is cylindrical groove, the cover is prevented pricking for the annular of cross section in the mounting groove, the one end of preventing pricking the cover bonds in the tank bottom of mounting groove, and the other end then bonds on the syringe needle lateral wall.

Through above-mentioned technical scheme, when the syringe needle need be extracted, the syringe needle can drive the cover of preventing pricking that is located the mounting groove and remove, along with the syringe needle constantly removes outside the mounting groove, prevents pricking on the cover can constantly be attached to the outside lateral wall of syringe needle, when the syringe needle thoroughly breaks away from the grip block, prevents pricking the cover and can directly cover in the needle point department of syringe needle, and then reduces the possibility of being pricked by the syringe needle point.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of a side view of the embodiment.

Reference numerals: 1. a needle tip; 2. a needle head; 3. a clamping piece; 4. mounting holes; 5. attaching a patch; 6. a bandage is pasted; 7. an adhesive layer; 8. connecting sleeves; 9. clamping the connecting rod; 10. attaching a connecting rod; 11. a rolling body; 12. a connecting spring; 13. a limiting part; 131. a trough body; 132. a limiting spring; 133. a limiting ball body; 134. caulking grooves; 14. mounting grooves; 15. prevent pricking cover.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-3 to make the technical solution of the present invention easier to understand and grasp.

The utility model provides a medical injection needle, includes that the tip is equipped with syringe needle 2 of needle point 1, installs the holding piece 3 on syringe needle 2, runs through in holding piece 3 and is equipped with mounting hole 4, and syringe needle 2 runs through in mounting hole 4, is equipped with adhesive linkage 7 in one side of holding piece 3, and adhesive linkage 7 can be with the adhesion of patient's back of the hand looks.

The connecting sleeve 8 is sleeved on the needle head 2, the connecting sleeve 8 can move along the length direction of the needle head 2, the connecting sleeve 8 is located on one side of the clamping piece 3, in the embodiment, the connecting sleeve 8 is in a circular ring shape, a rolling body 11 is arranged on the inner sleeve wall of the connecting sleeve 8, the rolling body 11 is a ball, and the outer surface of the rolling body 11 is in contact with the outer surface of the needle head 2.

Be equipped with centre gripping connecting rod 9 on adapter sleeve 8, wherein, centre gripping connecting rod 9 is provided with two, and two centre gripping connecting rod 9 symmetry respectively lie in the 2 left and right sides of syringe needle, and every centre gripping connecting rod 9 extends toward centre gripping piece 3 one side, and the rod end that every centre gripping connecting rod 9 deviates from adapter sleeve 8 all is equipped with connecting spring 12, and connecting spring 12's both ends are connected respectively on centre gripping connecting rod 9 is close to tip and the centre gripping piece 3 of centre gripping piece 3.

Still articulated on adapter sleeve 8 have attached connecting rod 10, wherein, attached connecting rod 10 is provided with two, and two attached connecting rod 10 are symmetrical respectively and are located the syringe needle 2 left and right sides, and every attached connecting rod 10 deviates from the one end of adapter sleeve 8 and connects in attaching sheet 5, and attaching sheet 5 is gone up to paste has adhesive bandage 6, and attached sheet 5 can rotate around the pin joint of adapter sleeve 8, and attached sheet 5 can turn to clamping piece 3 one side or turn to syringe needle 1 one side of 2 around the pin joint. When the attaching sheet 5 turns to the side of the needle point 1 of the needle head 2, the adhesive bandage 6 on the attaching sheet 5 can be attached to the needle inserting position of the needle head 2 on the back of the hand of the patient.

Still be provided with spacing portion 13, spacing portion 13 is including setting up cell body 131 on the pore wall of mounting hole 4, installs spacing spring 132, spacing spheroid 133 in the cell body 131, and spacing spring 132 is used for promoting spacing spheroid 133 toward the motion of syringe needle 2 direction, and syringe needle 2 surface is equipped with the caulking groove 134 that supplies spacing spheroid 133 embedding.

The number of the limiting parts 13 is two or more, and all the limiting parts 13 are distributed in a circumferential array by taking the length direction of the needle head 2 as an axial lead.

In addition, a mounting groove 14 is formed in the side wall, away from the needle point 1 of the needle 2, of the clamping piece 3, the mounting groove 14 is a cylindrical groove, an anti-pricking sleeve 15 with a circular ring-shaped cross section is arranged in the mounting groove 14, the anti-pricking sleeve 15 is made of a rubber sleeve, and the thickness of the sleeve body of the anti-pricking sleeve 15 needs to be guaranteed. One end of the anti-prick sleeve 15 is adhered to the bottom of the mounting groove 14, and the other end is adhered to the outer side wall of the needle head 2.

In addition, the attaching sheet 5 can be additionally provided with a counterweight sheet, and the counterweight sheet can increase the whole weight of the attaching sheet 5 to a certain degree, so that the hemostatic effect of the wound plaster 6 on the puncture needle opening is effectively improved.

In the specific implementation process:

(1) before use, the clamping sheet 3 and the attaching sheet 5 can be overlapped with each other, the adhesive bandage 6 is stuck on the end face of the attaching sheet 5 departing from the clamping sheet 3, and the needle head 2 is stably connected with the clamping sheet 3;

(2) when the medical needle is used, medical staff can selectively clamp the clamping piece 3 or the needle head 2 by using the clamping tool, the needle point 1 on the needle head 2 can be inserted into the back of a hand of a patient, after the needle insertion is completed, the medical staff applies force to the attaching piece 5, the attaching piece 5 can rotate around the connecting sleeve 8, the connecting sleeve 8 can overcome the elastic action of the connecting spring 12 according to the actual needle insertion position to perform adaptive movement along the length direction of the needle head 2, and then the attaching piece 5 is attached to the actual needle insertion position of the patient;

(3) pull out the needle, medical personnel can apply force in syringe needle 2, and the relative medical personnel back of the hand position of clamping piece 3 and attached piece 5 is unchangeable, and caulking groove 134 on syringe needle 2 can take place to break away from with spacing spheroid 133, and syringe needle 2 can be followed and pulled out in clamping piece 3, and attached piece 5, clamping piece 3, adhesive bandage 6 then can be attached on the back of the hand of patient continuously and stably.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides a medical injection needle, includes that tip is equipped with syringe needle (2) of needle point (1), installs holding piece (3) on syringe needle (2), characterized by: a mounting hole (4) penetrates through the clamping sheet (3), the needle head (2) penetrates through the mounting hole (4), an adhesive layer (7) is arranged on one side of the clamping sheet (3), and the adhesive layer (7) can be adhered to the back of a hand of a patient;

still include attaching sheet (5), attaching sheet (5) articulate on clamping piece (3), attaching sheet (5) upper band has adhesive bandage (6), attaching sheet (5) can turn to clamping piece (3) one side or turn to needle point (1) one side of syringe needle (2) around the pin joint, and after attaching sheet (5) turned to syringe needle (2) needle point (1) one side, adhesive bandage (6) on attaching sheet (5) can be attached in syringe needle (2) in the position of pricking the needle of patient's back of the hand.

2. A medical injection needle according to claim 1, wherein: still include adapter sleeve (8), syringe needle (2) run through in adapter sleeve (8), it has centre gripping connecting rod (9) to extend on clamping piece (3), it has attached connecting rod (10) to extend on attaching piece (5), and centre gripping connecting rod (9) end connection that deviates from clamping piece (3) in adapter sleeve (8), and attached connecting rod (10) tip that deviates from attaching piece (5) articulates in adapter sleeve (8), pin joint between clamping piece (3) and attaching piece (5) is located adapter sleeve (8).

3. A medical injection needle according to claim 2, characterized in that: and the inner sleeve wall of the connecting sleeve (8) is provided with a rolling body (11), and the outer surface of the rolling body (11) is contacted with the outer surface of the needle head (2).

4. A medical injection needle according to claim 2, characterized in that: the clamping device is characterized by further comprising a connecting spring (12), wherein two ends of the connecting spring (12) are respectively connected to the end part of the clamping connecting rod (9) close to the clamping piece (3) and the clamping piece (3).

5. A medical injection needle according to any of claims 1 to 4, characterized in that: still include spacing portion (13), spacing portion (13) are including setting up cell body (131) on mounting hole (4) pore wall, install spacing spring (132), spacing spheroid (133) in cell body (131), spacing spring (132) are used for promoting spacing spheroid (133) toward syringe needle (2) direction motion, syringe needle (2) surface is equipped with caulking groove (134) that supply spacing spheroid (133) to imbed.

6. A medical injection needle according to claim 5, wherein: the number of the limiting parts (13) is two or more, and all the limiting parts (13) are distributed in a circumferential array by taking the length direction of the needle head (2) as an axial lead.

7. A medical injection needle according to any of claims 1 to 4, characterized in that: be equipped with on the lateral wall that supporting piece (3) deviate from syringe needle (2) needle point (1) mounting groove (14), mounting groove (14) are cylindrical groove, it is the annular cover (15) of preventing pricking to be equipped with the cross section in mounting groove (14), the one end of preventing pricking cover (15) bonds in the tank bottom of mounting groove (14), and the other end then bonds on syringe needle (2) lateral wall.