CN219070560U

CN219070560U - Hemodialysis pjncture needle

Info

Publication number: CN219070560U
Application number: CN202222738693.7U
Authority: CN
Inventors: 杨烈; 冯军; 曾燃; 刘思源
Original assignee: Wuhan Keruidi Medical Supplies Co ltd
Current assignee: Wuhan Keruidi Medical Supplies Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-05-26
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to the technical field of hemodialysis, in particular to a hemodialysis puncture needle, which comprises a puncture needle body, wherein a needle cylinder is fixed on the surface of the puncture needle body, needle wings are fixed on two sides of the surface of the needle cylinder, an infusion hose is fixed on the surface of one end of the needle cylinder, a first flow stopping clamp is sleeved on the surface of the infusion hose, a connector is fixed on the surface of the other end of the infusion hose, a fixing mechanism is arranged on the surface of the needle cylinder and consists of a sub-magic tape and a fixing part, a blood sampling mechanism is arranged on one side of the infusion hose and consists of a second flow stopping clamp, a connecting component and the blood sampling hose, and a blood circulation mechanism is arranged inside the puncture needle body and consists of a medicine climbing table and a blood circulation part. The utility model not only improves the treatment speed of the puncture needle in use and ensures that the puncture needle has stronger functionality, but also improves the comfort level of patients when the puncture needle is used.

Description

Hemodialysis pjncture needle

Technical Field

The utility model relates to the technical field of hemodialysis, in particular to a hemodialysis puncture needle.

Background

The hemodialysis utilizes the principle that solute flows from one side with high concentration to one side with low concentration, and leads two solutions of blood and dialysate into a dialyzer with a hollow fiber semipermeable membrane, so that blood is positioned on one side of the hollow fiber semipermeable membrane, and the dialysate is positioned on the other side of the hollow fiber semipermeable membrane, so that the solution on two sides of the membrane can remove medium and small molecular toxins in human blood through dispersion and osmosis, and simultaneously, electrolyte in the blood can reach balance through osmosis, thereby achieving the aim of realizing blood purification.

Because the puncture needle is inserted into the blood vessel of the patient in an inclined form, the blood vessel is easy to be greatly blocked, the blood circulation is reduced, and the treatment speed is inconvenient to be accelerated; the patient who needs to do dialysis needs to take a sample of blood frequently to detect toxins in the blood, and the general puncture needle is not easy to take blood, so that the patient needs to take blood by taking another needle, and the function of the puncture needle is single; the puncture needle is generally fixed at the hand or arm of a patient through the adhesive tape when in use, and the adhesive tape is easy to adhere to the skin of the patient, so that the comfort level of the patient is reduced when the puncture needle is in use.

Disclosure of Invention

The utility model aims to provide a hemodialysis puncture needle, which solves the problems that the puncture needle in the prior art is inconvenient to accelerate the treatment and has single function when being used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hemodialysis pjncture needle, includes the pjncture needle body, the surface mounting of pjncture needle body has the cylinder, and the both sides on cylinder surface all are fixed with the needle wing, the surface mounting of cylinder one end has the infusion hose, and the surface cover of infusion hose is equipped with first stagnant flow clamp to the surface mounting of infusion hose other end has the joint, the surface of cylinder is provided with fixed establishment, and fixed establishment comprises son magic subsides and fixed part, one side of infusion hose is provided with blood sampling mechanism, and blood sampling mechanism comprises second stagnant flow clamp, coupling assembling and blood sampling hose, the inside of pjncture needle body is provided with blood circulation mechanism, and blood circulation mechanism comprises medicine climbing platform and blood circulation portion.

Preferably, the inside of fixed part is including female magic subsides, roating seat and elastic layering, the surface bonding of needle wing has female magic subsides, the fixed surface of needle wing has the roating seat, and the surface rotation of roating seat is connected with elastic layering, the surface bonding of needle wing has a son magic subsides, and son magic subsides and female magic subsides bonding cooperation each other.

Preferably, the inside of coupling assembling is provided with overcoat cap and connecting block, one side of infusion hose is fixed with the blood sampling hose, and blood sampling hose is linked together with the infusion hose to the surface cover of blood sampling hose is equipped with the second and ends the flow clamp.

Preferably, one end of the blood sampling hose is fixed with a connecting block, the surface of the connecting block is covered with an outer cap, and the outer cap and the connecting block are mutually matched.

Preferably, the blood circulation part comprises a blood passing table, a blood circulation hole and a blood gap area, wherein the surface of the puncture needle body is fixedly provided with a medicine climbing table, the surface of one end of the medicine climbing table is fixedly provided with the blood circulation hole, and the surface of the blood circulation hole is fixedly connected with the surface of the puncture needle body.

Preferably, the surfaces of the blood circulation holes are all provided with equidistant blood passing tables, and a blood gap area is formed between the medicine climbing table and the blood circulation holes.

Compared with the prior art, the utility model has the beneficial effects that: the hemodialysis puncture needle not only improves the treatment speed of the puncture needle in use and ensures that the puncture needle has stronger functionality, but also improves the comfort level of a patient when the puncture needle is used;

1. through the arrangement of the blood circulation mechanism, the liquid medicine enters the puncture needle body through the infusion hose and the needle cylinder, when the medicine enters the puncture needle body, the medicine climbs over the medicine climbing table, the medicine slides off from the blood passing table, part of the medicine enters the blood circulation hole and enters the blood, and the blood is circulated in a large extent through the blood circulation hole, so that the function of the puncture needle for facilitating blood circulation is realized, and the treatment speed of the puncture needle in use is improved;

2. by the aid of the blood collection mechanism, the first flow stopping clamp is pressed, the first flow stopping clamp is used for blocking the infusion hose, the second flow stopping clamp is pressed, the second flow stopping clamp is opened, the outer cap can be screwed, the outer cap is far away from the surface of the connecting block, at the moment, the blood collection needle is inserted into the blood collection hose through the connecting block, and then the patient is subjected to blood collection under the action of the blood collection hose, so that the direct blood collection function of the puncture needle is realized, and the functionality of the puncture needle is stronger;

3. through being provided with fixed establishment, insert patient's arm department with the pjncture needle body, draw the active cell magic subsides afterwards, make the active cell magic subsides walk around the arm and glue to female magic subsides surface, tie up fixedly with cylinder and needle wing, rotate the elasticity layering under the roating seat effect afterwards, make the elasticity layering sticis the active cell magic subsides, with the active cell magic subsides fastening, realized the fixed function of the skin of no injury of pjncture needle to patient's comfort level when having improved the pjncture needle and using.

Drawings

FIG. 1 is a schematic view of a three-dimensional appearance structure of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the fixing mechanism of the present utility model;

fig. 4 is an enlarged schematic view of the blood circulation mechanism of the present utility model.

In the figure: 1. a puncture needle body; 101. a needle cylinder; 102. a needle wing; 103. an infusion hose; 104. a first stop clip; 105. a joint; 2. a fixing mechanism; 201. a son magic tape; 202. a fixing member; 2021. female magic tape; 2022. a rotating seat; 2023. an elastic pressing strip; 3. a blood sampling mechanism; 301. a second stop clip; 302. a connection assembly; 3021. a jacket cap; 3022. a connecting block; 303. a blood collection hose; 4. a blood circulation mechanism; 401. a medicine climbing platform; 402. a blood circulation unit; 4021. blood passes through the table; 4022. a blood circulation hole; 4023. blood void area.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and furthermore, the terms "first", "second", "third", "up, down, left, right", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; all other embodiments, which may be directly or indirectly through intermediaries, which may be obtained by a person of ordinary skill in the art without inventive effort based on the embodiments of the present utility model are within the scope of the present utility model.

The structure of the hemodialysis puncture needle provided by the utility model is shown in fig. 1 and 2, and comprises a puncture needle body 1, wherein a needle cylinder 101 is fixed on the surface of the puncture needle body 1, needle wings 102 are fixed on both sides of the surface of the needle cylinder 101, an infusion hose 103 is fixed on the surface of one end of the needle cylinder 101, a first flow stopping clamp 104 is sleeved on the surface of the infusion hose 103, and a connector 105 is fixed on the surface of the other end of the infusion hose 103.

Further, as shown in fig. 3, the surface of the syringe 101 is provided with a fixing mechanism 2, and the fixing mechanism 2 is composed of a sub-magic tape 201 and a fixing component 202, the inside of the fixing component 202 comprises a female magic tape 2021, a rotating seat 2022 and an elastic pressing strip 2023, the surface of the needle wing 102 is adhered with the female magic tape 2021, the surface of the needle wing 102 is fixed with the rotating seat 2022, the surface of the rotating seat 2022 is rotationally connected with the elastic pressing strip 2023, the surface of the needle wing 102 is adhered with the sub-magic tape 201, and the sub-magic tape 201 and the female magic tape 2021 are adhered and matched with each other.

When in use, the puncture needle body 1 is inserted into the arm of a patient, then the active velcro 201 is pulled, the active velcro 201 is adhered to the surface of the female velcro 2021 by bypassing the arm, the needle cylinder 101 and the needle wings 102 are bound and fixed, then the elastic pressing strip 2023 is rotated under the action of the rotating seat 2022, the elastic pressing strip 2023 is tightly pressed against the active velcro 201, and the active velcro 201 is fastened, so that the skin-friendly fixing function of the puncture needle is realized.

Further, as shown in fig. 2, a blood sampling mechanism 3 is provided on one side of the transfusion hose 103, and the blood sampling mechanism 3 is composed of a second flow stopping clip 301, a connection assembly 302 and a blood sampling hose 303, an outer cap 3021 and a connection block 3022 are provided inside the connection assembly 302, the blood sampling hose 303 is fixed on one side of the transfusion hose 103, the blood sampling hose 303 is communicated with the transfusion hose 103, the second flow stopping clip 301 is sleeved on the surface of the blood sampling hose 303, the connection block 3022 is fixed at one end of the blood sampling hose 303, the outer cap 3021 is provided on the surface of the connection block 3022, and the outer cap 3021 and the connection block 3022 are mutually matched.

When the infusion device is used, the first flow stopping clamp 104 is pressed, the infusion hose 103 is blocked by the first flow stopping clamp 104, the second flow stopping clamp 301 is pressed, the second flow stopping clamp 301 is opened, the outer cap 3021 can be screwed, the outer cap 3021 is far away from the surface of the connecting block 3022, at the moment, a blood taking needle is inserted into the blood taking hose 303 through the connecting block 3022, and then blood is taken from a patient under the action of the blood taking hose 303, so that the direct blood taking function of the puncture needle is realized.

Further, as shown in fig. 4, the blood circulation mechanism 4 is disposed in the puncture needle body 1, and the blood circulation mechanism 4 is composed of a drug climbing platform 401 and a blood circulation part 402, the blood circulation part 402 includes a blood passing platform 4021, a blood circulation hole 4022 and a blood gap region 4023, the drug climbing platform 401 is fixed on the surface of the puncture needle body 1, the blood circulation hole 4022 is fixed on the surface of one end of the drug climbing platform 401, the surface of the blood circulation hole 4022 is fixedly connected with the surface of the puncture needle body 1, equidistant blood passing platforms 4021 are all provided on the surface of the blood circulation hole 4022, and the blood gap region 4023 is formed between the drug climbing platform 401 and the blood circulation hole 4022.

When the puncture needle is used, liquid medicine enters the puncture needle body 1 through the infusion hose 103 and the needle cylinder 101, when the medicine enters the puncture needle body 1, the medicine climbs over the medicine climbing table 401, the medicine slides off from the blood passing table 4021, part of the medicine enters the blood circulation hole 4022 and enters the blood, and the blood is circulated in a large extent through the blood circulation hole 4022, so that the function of the puncture needle for facilitating blood circulation is realized.

Working principle: when the puncture needle is used, the puncture needle body 1 is inserted into the arm of a patient, the active cell magic tape 201 is pulled, the active cell magic tape 201 is adhered to the surface of the female magic tape 2021 by bypassing the arm, the needle cylinder 101 and the needle wing 102 are bound and fixed, the elastic pressing strip 2023 is rotated under the action of the rotating seat 2022, the elastic pressing strip 2023 is tightly pressed against the active cell magic tape 201, and the active cell magic tape 201 is fastened, so that the skin-friendly fixing function of the puncture needle is realized, and the comfort level of the patient is improved when the puncture needle is used.

Then, the medicine liquid enters the puncture needle body 1 through the transfusion hose 103 and the needle cylinder 101, when the medicine enters the puncture needle body 1, the medicine climbs over the medicine climbing platform 401, the medicine slides off from the blood passing platform 4021, part of the medicine enters the blood circulation holes 4022 and enters the blood, and the blood is circulated greatly through the blood circulation holes 4022, so that the function of the puncture needle for facilitating blood circulation is realized, and the treatment speed of the puncture needle in use is improved.

If the patient needs to be blood-collected, the first flow stopping clamp 104 is pressed first, so that the first flow stopping clamp 104 plugs the infusion hose 103, the second flow stopping clamp 301 is pressed, the second flow stopping clamp 301 is opened, then the outer cap 3021 can be screwed, the outer cap 3021 is far away from the surface of the connecting block 3022, at this time, the blood taking needle is inserted into the blood taking hose 303 through the connecting block 3022, and then the patient is blood-collected under the action of the blood taking hose 303, so that the direct blood taking function of the puncture needle is realized, the functionality of the puncture needle is stronger, and finally the use work of the puncture needle is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Hemodialysis pjncture needle includes pjncture needle body (1), its characterized in that: the surface mounting of pjncture needle body (1) has cylinder (101), and the both sides on cylinder (101) surface all are fixed with needle wing (102), the surface mounting of cylinder (101) one end has infusion hose (103), and the surface cover of infusion hose (103) is equipped with first stagnant flow clamp (104) to the surface mounting of infusion hose (103) other end has joint (105), the surface of cylinder (101) is provided with fixed establishment (2), and fixed establishment (2) are by sub-magic subsides (201) and fixed part (202) are constituteed, one side of infusion hose (103) is provided with blood sampling mechanism (3), and blood sampling mechanism (3) are constituteed by second stagnant flow clamp (301), coupling assembling (302) and blood sampling hose (303), the inside of pjncture needle body (1) is provided with blood circulation mechanism (4), and blood circulation mechanism (4) are constituteed by medicine climbing platform (401) and blood circulation portion (402).

2. A hemodialysis needle according to claim 1, wherein: the inside of fixed part (202) is including female magic subsides (2021), roating seat (2022) and elastic strip (2023), the surface adhesion of needle wing (102) has female magic subsides (2021), the surface mounting of needle wing (102) has roating seat (2022), and the surface rotation of roating seat (2022) is connected with elastic strip (2023), the surface adhesion of needle wing (102) has son magic subsides (201), and son magic subsides (201) and female magic subsides (2021) bond cooperation each other.

3. A hemodialysis needle according to claim 1, wherein: the inside of coupling assembling (302) is provided with overcoat cap (3021) and connecting block (3022), one side of infusion hose (103) is fixed with blood sampling hose (303), and blood sampling hose (303) are linked together with infusion hose (103) to the surface cover of blood sampling hose (303) is equipped with second flow stopping clamp (301).

4. A hemodialysis needle according to claim 3, wherein: one end of the blood sampling hose (303) is fixed with a connecting block (3022), an outer cap (3021) is covered on the surface of the connecting block (3022), and the outer cap (3021) and the connecting block (3022) are matched with each other.

5. A hemodialysis needle according to claim 1, wherein: the inside of blood circulation portion (402) is including blood through platform (4021), blood circulation hole (4022) and blood space region (4023), the surface mounting of pjncture needle body (1) has medicine climbing platform (401), and the surface mounting of medicine climbing platform (401) one end has blood circulation hole (4022) to the surface in blood circulation hole (4022) is fixed connection with the surface of pjncture needle body (1).

6. A hemodialysis needle according to claim 5, wherein: the surface of the blood circulation hole (4022) is provided with equidistant blood passing tables (4021), and a blood gap area (4023) is formed between the medicine climbing table (401) and the blood circulation hole (4022).