CN219847649U

CN219847649U - Puncture-preventing remaining needle

Info

Publication number: CN219847649U
Application number: CN202321076501.9U
Authority: CN
Inventors: 刘微
Original assignee: 6th Medical Center of PLA General Hospital
Current assignee: 6th Medical Center of PLA General Hospital
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-10-20
Anticipated expiration: 2033-05-08

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an anti-puncture indwelling needle which comprises an anti-puncture protective sleeve, wherein an indwelling needle plastic soft catheter is arranged in the anti-puncture protective sleeve, a first clamping block is fixedly connected to the top of the indwelling needle plastic soft catheter, a first raised strip is integrally connected to the side of the first clamping block, a steel needle is tightly attached to the inner part of the indwelling needle plastic soft catheter, a second clamping block is fixedly connected to the top of the steel needle, a second raised strip is integrally connected to the side of the second clamping block, a push block is fixedly connected to the top of the second clamping block, a needle holding handle is fixedly connected to the top of the push block, and raised dots are integrally connected to the side of the needle holding handle; the utility model is convenient for protecting the needle before and after use, prevents the needle from injuring medical staff and garbage disposal staff by mistake and is convenient for the medical staff to perform needle insertion operation.

Description

Puncture-preventing remaining needle

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an anti-puncture indwelling needle.

Background

The venous indwelling needle is an infusion tool, which consists of a stainless steel core, a plastic soft catheter and a plastic needle seat, the plastic soft catheter and the needle core are penetrated into a blood vessel together during the needle insertion, the needle core is pulled out after the plastic soft catheter is delivered into the blood vessel, and the soft plastic soft catheter is left in the blood vessel, so that the infusion tool does not need to be pulled out every time, and for people with poor blood vessel finding, or for children with frequent crying during the needle insertion, the intravenous indwelling needle does not need to be pricked once every day, but can not be used for a long time, usually is replaced once in three to five days, so that phlebitis or venous thrombosis is avoided.

In the Chinese patent 201920113294.7, the utility model provides a vein indwelling needle for preventing needle puncture, which comprises an extension tube, a connector, a tee joint, an outer sleeve, a steel needle, a needle seat and a safety device; one end of the steel needle is arranged on the needle seat; the outer sleeve is sleeved on the steel needle; the safety device comprises a shell and a clamping needle groove; one end of the shell is closed, and the other end of the shell is rotationally connected with the needle holding handle of the needle seat; the casing is the opening from the nearly one side of steel needle, and the overcoat pipe box is on the steel needle and is arranged in the casing, is equipped with the card needle groove in the casing, and the opening in card needle groove is the convergent, and the outer tube can not pass through the minimum open end in card needle groove, and the steel needle can pass through the minimum open end in card needle groove and block in the inside after taking out from the outer tube. The utility model can replace the needle protection cap before puncture to prevent the needle tip from being polluted before puncture; the withdrawn steel needle is shielded after the puncture, so that the effect of preventing the puncture of the needle can be achieved; compared with other needle-prick-preventing indwelling needles, the utility model has the advantages of simple structure, easy manufacture and cost saving.

The existing vein indwelling needle has the problems that the operation of a nurse can be influenced if a shell is not completely removed during the needle insertion, the accidental injury is easily caused if a protective sleeve is easy to fall off, the steel needle taken out also needs to be protected after the needle insertion is finished, otherwise, personnel accidental injury can be caused during the medical waste cleaning, the plastic soft catheter is easy to rotate during the steel needle taking out, and the operation can be inconvenient.

Accordingly, an anti-puncture indwelling needle has been proposed to solve the above-mentioned problems.

Disclosure of Invention

In order to make up the defects in the prior art, the problems that if a protective sleeve is easy to fall off, accidental injury is easily caused, after the needle insertion is finished, the taken-out steel needle also needs to be protected, otherwise, accidental injury of personnel can be caused when medical waste is cleaned, and the plastic soft catheter is easy to rotate when the steel needle is taken out, so that the operation is possibly inconvenient are solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a puncture-preventing indwelling needle, which comprises a puncture-preventing protective sleeve, wherein an indwelling needle plastic soft catheter is arranged in the puncture-preventing protective sleeve, a first clamping block is fixedly connected to the top of the indwelling needle plastic soft catheter, a first raised strip is integrally connected to the side of the first clamping block, a steel needle is tightly attached to the inside of the indwelling needle plastic soft catheter, a second clamping block is fixedly connected to the top of the steel needle, a second raised strip is integrally connected to the side of the second clamping block, a pushing block is fixedly connected to the top of the second clamping block, a needle holding handle is fixedly connected to the top of the pushing block, raised dots are integrally connected to the side of the needle holding handle, a transparent tee is communicated to the top of the first clamping block, a protection round pad is fixedly connected to the inside of the transparent tee, a medical adhesive tape is fixedly connected to the side of the transparent tee, and a lining paper is glued to the back of the medical adhesive tape.

Preferably, the top intercommunication of transparent tee bend has the extension pipe, and the top fixedly connected with joint of extension pipe to the outside block of joint is connected with the snap ring, the avris fixedly connected with bandage of snap ring, and the one end integration of bandage is connected with fixed fixture block, and the other end fixedly connected with fixed buckle of bandage.

Preferably, the first protruding strip is arranged at equal intervals with respect to the outer wall of the first clamping block, and the outer wall of the first protruding strip is tightly attached to the inner wall of the stab protection sleeve.

Preferably, the second protruding strips are arranged at equal intervals with respect to the outer part of the second clamping block, and the cross section diameter of the second clamping block is equal to that of the first clamping block.

Preferably, the material of the protection circular pad is butyl rubber material, and the medical adhesive tape is symmetrically arranged with two vertical central axes of the transparent tee joint.

Preferably, the convex dots are arranged at equal intervals with respect to the outer part of the needle holding handle, and the needle holding handle and the pushing block are arranged vertically.

Preferably, the connector and the clamping ring form a clamping structure, three fixing clamping blocks are arranged at equal intervals relative to the end part of the binding band, and the fixing clamping blocks and the fixing clamping buckles form the clamping structure.

The utility model has the advantages that:

1. according to the utility model, the friction force between the first clamping block and the inner wall of the puncture-preventing protective sleeve can be increased by arranging the first clamping block and the first raised strip, so that personnel accidental injury caused by falling off of the remaining needle plastic soft catheter and the steel needle from the inside of the puncture-preventing protective sleeve is prevented under the action of no external force, the second clamping block has the same size as the first clamping block, and after the steel needle is taken out, the steel needle can be clamped in the inside of the puncture-preventing protective sleeve by using the second clamping block for protection, and personnel accidental injury caused by subsequent treatment of medical waste can be prevented;

2. according to the utility model, the needle holding handle with the raised round dots is arranged, so that the friction force between the fingers of medical staff and the needle holding handle is increased, the hand slip during needle insertion can be prevented, and meanwhile, the pushing block is vertically arranged, so that the medical staff can push the pushing block with the fingers to take out the steel needle;

3. the medical adhesive tape is arranged and is adhered to the skin of a patient before the steel needle is taken out, so that the medical adhesive tape can be fixed, the plastic soft catheter with the remaining needle can be prevented from moving in the blood vessel of the patient when the steel needle is pushed to be taken out, and the connector is fixed on the arm of the patient by using the binding tape, so that the medical adhesive tape is more comfortable and waterproof compared with the case of directly adhering the medical adhesive tape.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of the whole front view of the present utility model;

FIG. 2 is a schematic perspective view of the whole side view of the present utility model;

FIG. 3 is a schematic perspective view of the whole bottom view of the present utility model;

fig. 4 is a schematic perspective view of an explosive structure of a steel needle portion according to the present utility model.

In the figure: 1. puncture-proof protective sleeve; 2. a plastic soft catheter of the indwelling needle; 3. a first clamping block; 4. a first raised strip; 5. a steel needle; 6. a second clamping block; 7. a second raised strip; 8. a pushing block; 9. a needle holder; 10. protruding dots; 11. a transparent tee joint; 12. a protective round pad; 13. medical adhesive tape; 14. lining paper; 15. an extension tube; 16. a joint; 17. a clasp; 18. a strap; 19. fixing the clamping block; 20. and fixing the buckle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 4, an anti-stabbing indwelling needle is shown, an anti-stabbing protective sleeve 1 is provided inside the anti-stabbing protective sleeve 1, an indwelling needle plastic soft catheter 2 is provided inside the anti-stabbing protective sleeve 1, a first clamping block 3 is fixedly connected to the top of the indwelling needle plastic soft catheter 2, a first raised strip 4 is integrally connected to the side of the first clamping block 3, steel needles 5 are tightly attached to the inside of the indwelling needle plastic soft catheter 2, a second clamping block 6 is fixedly connected to the top of the steel needles 5, a second raised strip 7 is integrally connected to the side of the second clamping block 6, a pushing block 8 is fixedly connected to the top of the second clamping block 6, a needle holding handle 9 is fixedly connected to the side of the needle holding handle 9, a raised 10 is integrally connected to the side of the pushing block 8, a transparent tee 11 is communicated to the top of the first clamping block 3, a protection round pad 12 is fixedly connected to the inside of the transparent tee 11, a medical adhesive tape 13 is fixedly connected to the side of the transparent tee 11, a lining paper 14 is glued to the back of the adhesive tape 13, an extension tube 15 is communicated to the top of the transparent tee 11, a clamping band is fixedly connected to the other end of the extension tube 15, a clamping band is fixedly connected to the clamping band 18 is fixedly connected to the other end of the clamping band 18, and the clamping band is fixedly connected to the end of the clamping band is fixedly connected to the clamping band 18, and the clamping band is fixedly connected to the end of the clamping band, 18, and 18 is fixedly connected to the joint 18.

Referring to fig. 1 and 4, a puncture-preventing indwelling needle is shown, wherein a first raised strip 4 is arranged at equal intervals with respect to the outer wall of a first clamping block 3, the outer wall of the first raised strip 4 is tightly attached to the inner wall of a puncture-preventing protective sleeve 1, a second raised strip 7 is arranged at equal intervals with respect to the outer part of a second clamping block 6, and the diameter of the cross section of the second clamping block 6 is equal to that of the cross section of the first clamping block 3; under the effect that does not have the external force, prevent stabbing protective sheath 1 can not drop easily, after the puncture, insert the steel needle 5 that takes out and prevent stabbing protective sheath 1, second fixture block 6 on the steel needle 5 can block inside preventing stabbing protective sheath 1 to fix the steel needle 5 inside preventing stabbing protective sheath 1, throw into medical waste can inside with steel needle 5 and preventing stabbing protective sheath 1 together, can prevent that the personnel from accidentally injuring when handling medical waste later.

Referring to fig. 1 to 3, a puncture-proof indwelling needle is shown, wherein a protective pad 12 is made of butyl rubber, and two medical adhesive tapes 13 are symmetrically arranged about a vertical central axis of a transparent tee 11; before the steel needle 5 is taken out, the medical adhesive tape 13 is adhered to the skin of a patient, so that the medical adhesive tape can be fixed, the indwelling needle plastic soft catheter 2 is prevented from moving in the blood vessel of the patient when the steel needle 5 is pushed to be taken out, and the protection round pad 12 can prevent air or dust from entering the indwelling needle plastic soft catheter 2.

Referring to fig. 1, a puncture-proof indwelling needle is shown, wherein convex dots 10 are arranged at equal intervals with respect to the outside of a needle holding handle 9, and the needle holding handle 9 and a push block 8 are arranged vertically; the needle holding handle 9 with the raised round dots 10 increases the friction force between the fingers of medical staff and the needle holding handle 9, can prevent hand slip during needle insertion, and is provided with the push block 8 vertically, so that the medical staff can push the push block 8 with fingers to take out the steel needle 5.

Referring to fig. 1 to 3, an anti-puncture indwelling needle, a joint 16 and a clasp 17 form a clamping structure, three fixing clamping blocks 19 are arranged at equal intervals with respect to the end part of a binding belt 18, and the fixing clamping blocks 19 and a fixing buckle 20 form a clamping structure; the binding band 18 is bound on the wrist or the arm of a patient, one end of the binding band 18 with the fixing clamping block 19 is inserted into the fixing clamping buckle 20 to be fixed, the fixing clamping block 19 at a proper position is clamped into the fixing clamping buckle 20 according to the thickness of the arm of the patient, the connector 16 is fixed on the arm of the patient by using the binding band 18, and the binding band is more comfortable and waterproof compared with the case of directly sticking with an adhesive tape.

Working principle: the roughness of the contact area between the first clamping block 3 and the puncture-preventing protective sleeve 1 is increased by the first raised strip 4, the puncture-preventing protective sleeve 1 cannot easily fall off under the action of no external force, when a needle is inserted, a medical staff pulls down the puncture-preventing protective sleeve 1, then holds the needle handle 9 with fingers to prick a needle head into a blood vessel of a patient, meanwhile, takes down the lining paper 14 to adhere the medical adhesive tape 13 to the skin of the patient, and can bring out the steel needle 5 by pushing the second clamping block 6 backwards with fingers, so that the indwelling needle plastic soft catheter 2 is left in the blood vessel of the patient for transfusion;

then, the steel needle 5 taken out is inserted into the puncture protection sleeve 1, the second clamping block 6 on the steel needle 5 can be clamped inside the puncture protection sleeve 1, so that the steel needle 5 is fixed inside the puncture protection sleeve 1, then the steel needle 5 and the puncture protection sleeve 1 can be thrown into a medical garbage can together, the connector 16 is clamped inside the clamping ring 17 to be fixed, meanwhile, the binding band 18 is bound on the wrist or arm of a patient, one end of the binding band 18 with the fixing clamping block 19 is inserted into the fixing clamping block 20 to be fixed, and the fixing clamping block 19 at a proper position is clamped into the fixing clamping block 20 according to the thickness of the arm of the patient.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. An anti-puncture indwelling needle, which is characterized in that: including preventing stabbing protective sheath (1), the inside of preventing stabbing protective sheath (1) is provided with detaining soft pipe (2) of needle plastics, and detains the first fixture block (3) of top fixedly connected with of soft pipe (2) of needle plastics to the avris integration of first fixture block (3) is connected with first protruding rectangular (4), the inside of detaining soft pipe (2) of needle plastics is closely laminated and is had steel needle (5), and the top fixedly connected with second fixture block (6) of steel needle (5) to the avris integration of second fixture block (6) is connected with the protruding rectangular (7) of second, the top fixedly connected with ejector pad (8) of second fixture block (6), and the top fixedly connected with of ejector pad (8) holds needle holder (9) to the avris integration of holding needle holder (9) is connected with protruding dot (10), the top intercommunication of first fixture block (3) has clear tee (11), and the inside fixedly connected with protection circular pad (12) of clear tee (11), the avris fixedly connected with medical sticky tape (13) of clear tee (11), and the glued joint (13) of medical sticky tape (13).

2. A stab-resistant indwelling needle according to claim 1, in which: the top intercommunication of transparent tee bend (11) has extension pipe (15), and the top fixedly connected with of extension pipe (15) connects (16) to the outside block of joint (16) is connected with snap ring (17), the avris fixedly connected with bandage (18) of snap ring (17), and the one end integration of bandage (18) is connected with fixed fixture block (19) to the other end fixedly connected with fixed buckle (20) of bandage (18).

3. A stab-resistant indwelling needle according to claim 1, in which: the first protruding strip (4) is arranged at equal intervals relative to the outer wall of the first clamping block (3), and the outer wall of the first protruding strip (4) is tightly attached to the inner wall of the stab-preventing protective sleeve (1).

4. A stab-resistant indwelling needle according to claim 1, in which: the second raised strips (7) are arranged at equal intervals with respect to the outer part of the second clamping block (6), and the cross section diameter of the second clamping block (6) is equal to that of the first clamping block (3).

5. A stab-resistant indwelling needle according to claim 1, in which: the material of protection circular pad (12) is butyl rubber material setting, medical sticky tape (13) are provided with two about the vertical axis symmetry of transparent tee bend (11).

6. A stab-resistant indwelling needle according to claim 1, in which: the convex dots (10) are arranged at equal intervals relative to the outer part of the needle holding handle (9), and the needle holding handle (9) and the pushing block (8) are vertically arranged.

7. A stab-resistant indwelling needle according to claim 2, in which: the connector (16) and the clamping ring (17) form a clamping structure, three fixing clamping blocks (19) are arranged at equal intervals relative to the end part of the binding band (18), and the fixing clamping blocks (19) and the fixing clamping buckles (20) form the clamping structure.