CN215192082U

CN215192082U - Reinforced arterial puncture needle

Info

Publication number: CN215192082U
Application number: CN202120748822.3U
Authority: CN
Inventors: 钱彦龙; 张梦迪; 范泽军; 李丹丹
Original assignee: Aerospace Center Hospital
Current assignee: Aerospace Center Hospital
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-17
Anticipated expiration: 2031-04-13

Abstract

The utility model belongs to the technical field of medical clinical appliances, in particular to a reinforced artery puncture needle, which comprises a needle core main body, wherein the front end of the needle core main body is provided with a needle head, the surface of the needle head is provided with a needle core opening, the inside of the needle core main body is provided with a holding tank, the outside of the needle core main body is sleeved with an artery needle sleeve, a compression spring is additionally arranged inside the needle core main body, the inside of the artery needle sleeve is formed by pressing rubber materials, the toughness of the compression spring is further enhanced by matching with a single reinforcing spring and a connecting reinforcing spring arranged on the compression spring, thereby more effectively increasing the hardness of the artery needle sleeve, avoiding the situation that the artery needle tube is folded to influence the measurement of the artery pressure when the radial artery blood pressure is measured, ensuring the safety of patients in the operation, reducing the operation time that the artery can not be measured due to the inward bending of the wrist and the artery and even needs to be adjusted for a plurality of times, the efficiency of clinical medical treatment is improved.

Description

Reinforced arterial puncture needle

Technical Field

The utility model belongs to the technical field of medical clinical apparatus, concretely relates to strenghthened type artery pjncture needle.

Background

Puncture needles are common medical devices that can be used to puncture organs, tissues or to inject drugs. The method is applicable to the following steps: it is mainly applied to minimally invasive surgery. The puncture needle is combined with other medical equipment for use, can directly reach pain points and eliminate pain of patients, and is an essential medical instrument in hospitals. Can be used for treating intervertebral disc puncture, joint puncture, muscle pain point puncture, and drug injection. And (4) classification: a thoracic cavity puncture needle, a pleural biopsy needle, a common bladder fistulization needle, a skin biopsy needle, a two-handle nine-head brain suction tube, a spring type biopsy needle, a multifunctional bladder fistulization drainage puncture needle, a side opening biopsy needle and a 3-1 bladder fistulization puncture needle. The incision of the ordinary good puncture needle is smooth, and the surface of the puncture needle is free of burrs, so that the puncture needle is good in use, fast in needle insertion and free of pain for patients.

The puncture position that the present operation lasts to measure arterial pressure and use always is the radial artery, and the health both sides need be received to most patient's upper limbs in the art, and current artery pjncture needle has a shortcoming, and artery pjncture needle tubing easily breaks down and influences the measurement of arterial pressure when the wrist is incurved, consequently needs to develop a neotype strenghthened type artery pjncture needle help people and solves current problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a reinforced artery puncture needle, which is characterized in that the needle tube of the artery puncture needle is not easy to be folded when the wrist is bent inwards, and the safety is high.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a strenghthened type artery pjncture needle, includes the nook closing member main part, the syringe needle is installed to the front end of nook closing member main part, the nook closing member opening has been seted up on the surface of syringe needle, just the inside of nook closing member main part is equipped with the holding tank, the outside cover of nook closing member main part is equipped with artery needle sleeve pipe, artery needle sheathed tube both sides are provided with the needle wing, the rear end both sides of nook closing member main part are provided with the needle tail, just the rear end portion of nook closing member main part is provided with needle tail round hole and blood return chamber, artery needle sheathed tube needle inside is equipped with compression spring, artery needle sheathed tube inside is equipped with the backflow prevention tampon, artery needle sleeve pipe with the junction of nook closing member main part is provided with fixed slot, the tail end in blood return chamber is provided with the bleeder vent.

As the utility model discloses a preferred technical scheme of strenghthened type artery pjncture needle, compression spring is last to be provided with enhancement spring list and enhancement spring even strip, just compression spring, enhancement spring list and enhancement spring even strip formula structure as an organic whole, just compression spring, enhancement spring list and enhancement spring are even the strip and are metal component.

As the utility model discloses a preferred technical scheme of strenghthened type artery pjncture needle, the needle wing with be provided with the linking piece between the artery needle sleeve pipe, link up the piece with artery needle sleeve pipe butt fusion is fixed, one side of needle wing is pegged graft into in the movable inner chamber of seting up in the linking piece, just the bottom bonding of needle wing is fixed with No. two archs, and the bonding is fixed with the articulamentum on the inner wall of linking piece, and the distribution on the surface of articulamentum has a arch.

As the utility model discloses a preferred technical scheme of strenghthened type artery pjncture needle, the syringe needle with artery needle sheathed tube needle point is a side inclined plane structure.

As the utility model discloses a preferred technical scheme of strenghthened type artery pjncture needle, the articulamentum a arch with No. two archs are rubber component.

As the utility model discloses a preferred technical scheme of strenghthened type artery pjncture needle, one side integrated into one piece of needle wing has the anticreep pole.

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

1. the utility model discloses when using, add through the inside at the nook closing member main part and establish compression spring, wherein the sheathed tube inside adoption rubber materials suppression of artery needle forms, the reinforcing spring single that is equipped with on the cooperation compression spring links the strip with the reinforcing spring, compression spring's toughness has further been strengthened, thereby more effectual sheathed tube hardness of artery needle, when avoiding measuring radial artery blood pressure, the condition emergence that the artery needle tubing was rolled over to the incurve of wrist and was influenced and measure arterial pressure, guarantee safety in the patient art, and reduced and measured not going out the artery because of the incurve of wrist and need adjust extravagant operation time even many times, the efficiency of clinical medical treatment has been improved.

2. The utility model discloses when using, through the needle wing with link up the design with adjustable piece for the interval between needle wing and the artery needle sleeve pipe is variable, thereby the adaptation is different to indicate wide medical personnel, in order to satisfy actual demand, makes things convenient for personnel to carry out rational use to puncture needle whole, has increased the result of use of strenghthened type artery puncture needle.

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 structural view of the present invention;

FIG. 2 is a schematic view of the middle arterial needle cannula portion of the present invention;

FIG. 3 is a schematic structural view of the main body of the stylet of the present invention;

fig. 4 is a schematic structural view of a compression spring according to the present invention;

fig. 5 is a schematic structural view of the inner cross-section of the middle connecting piece block of the present invention.

In the figure: 1. a needle head; 2. the needle core is opened; 3. a stylet body; 4. an arterial needle cannula; 5. a compression spring; 6. a needle wing; 7. a backflow prevention tampon; 8. a round hole at the needle tail; 9. a blood return cavity; 10. fixing the clamping groove; 11. accommodating grooves; 12. air holes are formed; 13. a single reinforcing spring strip; 14. a reinforcing spring connecting bar; 15. joining the pieces; 16. an anti-drop rod; 17. a movable inner cavity; 18. a connecting layer; 19. a first bump; 20. and a second bump.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a reinforced artery puncture needle comprises a needle core main body 3, a needle head 1 is arranged at the front end of the needle core main body 3, a needle core opening 2 is arranged on the surface of the needle head 1, and the inside of the needle core main body 3 is provided with a holding groove 11, the outside of the needle core main body 3 is sleeved with an arterial needle cannula 4, two sides of the arterial needle cannula 4 are provided with needle wings 6, two sides of the rear end of the needle core main body 3 are provided with needle tails, and the back end of the needle core main body 3 is provided with a needle tail round hole 8 and a blood return cavity 9, the needle tube of the artery needle sleeve 4 is internally provided with a compression spring 5, the artery needle sleeve 4 is internally provided with a backflow-preventing hemostatic plug 7, the joint of the artery needle sleeve 4 and the needle core main body 3 is provided with a fixed clamping groove 10, the tail end of the blood return cavity 9 is provided with a vent hole 12, by utilizing the corresponding connecting components and the application components, the puncture needle is convenient for personnel to use the puncture needle wholly and reasonably, and the using effect of the reinforced arterial puncture needle is improved.

Specifically, be provided with on compression spring 5 and strengthen spring list 13 and strengthen spring even 14, and compression spring 5, strengthen spring list 13 and strengthen spring even 14 formula structure as an organic whole, and compression spring 5, strengthen spring list 13 and strengthen spring even 14 and be metal component, in this embodiment, through the compression spring 5 that is equipped with in the artery needle sleeve pipe 4, wherein the inside of artery needle sleeve pipe 4 adopts the rubber materials suppression to form, the cooperation compression spring 5 is equipped with and strengthens spring even 14 even 13, the toughness of compression spring 5 itself has further been strengthened, thereby more effectual hardness that has increased artery needle sleeve pipe 4.

Specifically, be provided with between needle wing 6 and the artery needle sleeve pipe 4 and link up the piece 15, it is fixed with artery needle sleeve pipe 4 butt fusion to link up piece 15, peg graft into the activity inner chamber 17 of seting up in linking up piece 15 in one side of needle wing 6, and the bottom of needle wing 6 bonds and is fixed with No. two archs 20, it has articulamentum 18 to bond and be fixed with on the inner wall of linking up piece 15, and the distribution has a number of arch 19 on the surface of articulamentum 18, in this embodiment, through the design with adjustable needle wing 6 and linking piece 15, make the interval between needle wing 6 and the artery needle sleeve pipe 4 variable, wherein the dislocation interval effect between No. two arch 20 and the last arch 19 of articulamentum 18, the stability of adjusting the back position is drawn outward to needle wing 6 provides the advantage.

Specifically, the needle points of the needle head 1 and the arterial needle cannula 4 are in a side bevel structure, and in this embodiment, the bevel structure is arranged, so that the puncture process can be performed normally and orderly, and the redundant description is not needed for the existing technical means.

Specifically, the connecting layer 18, the first protrusion 19 and the second protrusion 20 are all rubber members, and in the embodiment, the rubber members have certain flexibility and can provide certain favorable conditions for the corresponding moving and dislocation clamping process.

Specifically, one side integrated into one piece of needle wing 6 has anticreep pole 16, and in this embodiment, anticreep pole 16's setting has certain limiting displacement to finger portion when the handheld strenghthened type artery pjncture needle of medical staff uses, prevents that finger portion from easily taking place from the condition of slippage on the strenghthened type artery pjncture needle.

The utility model discloses a theory of operation and use flow: in the using process of the utility model, the arterial needle is provided with a needle core main body 3, the containing groove 11 is arranged inside the needle core main body 3, when the artery is punctured, blood flows from the inside of the containing groove 11 to the blood return cavity 9, thereby judging whether the artery is punctured or not, the arterial needle is pushed to the arterial needle sleeve 4 to enter the blood vessel, the part of the blood return cavity 9 is pinched, then the needle core main body 3 is pulled out to be connected with the arterial pressure measuring catheter, the arm of the preoperative patient can be received to be clung to the side surface of the body of the patient, the wrist is bent inwards or the operating doctor of the obese patient can easily touch the arm of the patient, at the moment, the compression spring 5 is arranged in the arterial needle sleeve 4, wherein the inside of the arterial needle sleeve 4 is formed by pressing rubber materials, the single reinforcing spring 13 and the reinforcing spring connecting strip 14 which are arranged on the compression spring 5 are matched, the toughness of the compression spring 5 is further enhanced, thereby more effectively increasing the hardness of the arterial needle sleeve 4, the hardness of the artery needle sleeve 4 is increased, the artery needle sleeve can bend along with the wrist but cannot be folded, the continuous measurement of arterial pressure cannot be influenced, the safety of a patient in an operation is improved, the situation that the artery needle tube is folded when the wrist bends inwards to influence the measurement of arterial pressure when the radial artery blood pressure is measured is avoided, the operation time which is required to be adjusted even needs to be adjusted for multiple times because the artery cannot be measured due to the fact that the wrist bends inwards is reduced, the efficiency of clinical medical treatment is improved, meanwhile, in practical application, through the adjustable design of the needle wing 6 and the connecting piece 15, the distance between the needle wing 6 and the artery needle sleeve 4 is variable, the staggered interval effect between the second bulge 20 and the first bulge 19 on the connecting layer 18 provides favorable conditions for the stability of the position of the needle wing 6 after being pulled outwards to adjust, therefore, medical staff with different finger widths can be adapted, the practical requirements can be met, and the reasonable use of the puncture needle by staff is facilitated, the using effect of the reinforced arterial puncture needle is increased.

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. A strenghthened type arteriopuncture needle, includes nook closing member main part (3), its characterized in that: a needle head (1) is arranged at the front end of the needle core main body (3), a needle core opening (2) is arranged on the surface of the needle head (1), and the inside of the stylet main body (3) is provided with a holding groove (11), the outside of the stylet main body (3) is sleeved with an arterial needle cannula (4), needle wings (6) are arranged on two sides of the arterial needle sleeve (4), needle tails are arranged on two sides of the rear end of the needle core main body (3), and the rear end part of the needle core main body (3) is provided with a needle tail round hole (8) and a blood returning cavity (9), a compression spring (5) is arranged inside the needle tube of the arterial needle sleeve (4), the inside of the artery needle cannula (4) is provided with an anti-return tampon (7), the joint of the arterial needle sleeve (4) and the needle core main body (3) is provided with a fixed clamping groove (10), and the tail end of the blood returning cavity (9) is provided with an air hole (12).

2. The reinforced arterial puncture needle according to claim 1, characterized in that: the spring fixing device is characterized in that a reinforcing spring single strip (13) and a reinforcing spring connecting strip (14) are arranged on the compression spring (5), the reinforcing spring single strip (13) and the reinforcing spring connecting strip (14) are of an integrated structure, and the compression spring (5), the reinforcing spring single strip (13) and the reinforcing spring connecting strip (14) are all metal components.

3. The reinforced arterial puncture needle according to claim 1, characterized in that: the needle wing (6) with be provided with between artery needle sleeve pipe (4) and link up piece (15), link up piece (15) with artery needle sleeve pipe (4) butt fusion is fixed, peg graft into one side of needle wing (6) link up in piece (15) the interior activity inner chamber (17) of seting up, just the bottom bonding of needle wing (6) is fixed with No. two arch (20), and the bonding is fixed with articulamentum (18) on the inner wall of linking up piece (15), and the distribution has a number arch (19) on the surface of articulamentum (18).

4. The reinforced arterial puncture needle according to claim 1, characterized in that: the needle points of the needle head (1) and the arterial needle sleeve (4) are in a side bevel structure.

5. The reinforced arterial puncture needle according to claim 3, characterized in that: the connecting layer (18), the first bump (19) and the second bump (20) are all rubber components.

6. The reinforced arterial puncture needle according to claim 1, characterized in that: one side of the needle wing (6) is integrally formed with an anti-drop rod (16).