CN213589302U - Disposable safety blood penetrating indwelling needle - Google Patents

Disposable safety blood penetrating indwelling needle Download PDF

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Publication number
CN213589302U
CN213589302U CN202021050897.6U CN202021050897U CN213589302U CN 213589302 U CN213589302 U CN 213589302U CN 202021050897 U CN202021050897 U CN 202021050897U CN 213589302 U CN213589302 U CN 213589302U
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CN
China
Prior art keywords
transparent tee
needle
control valve
tee joint
indwelling needle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021050897.6U
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Chinese (zh)
Inventor
冯素娟
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Nantong First Peoples Hospital
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Nantong First Peoples Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong First Peoples Hospital filed Critical Nantong First Peoples Hospital
Priority to CN202021050897.6U priority Critical patent/CN213589302U/en
Application granted granted Critical
Publication of CN213589302U publication Critical patent/CN213589302U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • External Artificial Organs (AREA)

Abstract

The utility model discloses a needle is kept somewhere to disposable safe type blood circulation, including transparent tee bend, malleation mouth-piece, control valve and dwang, the inside one end packing of transparent tee bend has the isolation stopper, the inside other end of transparent tee bend is provided with circular structural slab, the inside cover of circular structural slab is equipped with the transfer line, transfer line one end is connected with big rubber cock board and the transfer line other end through the thread groove and is connected with little rubber cock board, circular structural slab one side has been seted up the arc and has been crossed the basin, transparent tee bend pot head is equipped with holds the needle handle, and holds needle handle one end and be provided with the steel needle, transparent tee bend other end veneer has soft pipe, transparent tee bend one side is provided with the malleation mouth-piece, malleation mouth-piece and transparent tee bend surface soaking are melted and. The utility model discloses simple structure has the anti-return function, and the flow can be adjusted simultaneously, is fit for being extensively promoted and used.

Description

Disposable safety blood penetrating indwelling needle
Technical Field
The utility model relates to the technical field of medical equipment, in particular to disposable safety type hemodialysis indwelling needle.
Background
The indwelling needle can reduce pain of a patient caused by repeated venipuncture and fear of injection, is convenient for clinical medication, emergency treatment of critical patients and reduction of workload of nurses, has a simple structure, does not have auxiliary functions of backflow prevention, flow control and the like, and therefore, a disposable safety type hemodialysis indwelling needle is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides disposable safety type blood passes through and stays needle, can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the disposable safety blood penetrating indwelling needle includes transparent tee, positive pressure interface tube, control valve and rotating rod, one end of the inside of the transparent tee joint is filled with an isolating plug, the other end of the inside of the transparent tee joint is provided with a circular structural plate, a transmission rod is sleeved in the circular structural plate, one end of the transmission rod is connected with a large rubber plug plate through a thread groove, the other end of the transmission rod is connected with a small rubber plug plate through a thread groove, an arc-shaped water passing groove is formed in one side of the circular structural plate, a needle holding handle is sleeved at one end of the transparent tee joint, and one end of the needle holding handle is provided with a steel needle, the other end of the transparent tee joint is glued with a soft conduit, one side of the transparent tee joint is provided with a positive pressure interface tube, the anti-skidding points are connected with the outer surfaces of the positive pressure connector pipe and the transparent tee joint in a soaking and melting mode, one end of the positive pressure connector pipe is connected with a control valve through a threaded groove, and a connecting hose is arranged between the control valve and the transparent tee joint.
Further, the control valve top portion cover is equipped with the dwang, and the welding of dwang both sides has the baffle, the baffle is located inside the control valve.
Further, a sealing sleeve is sleeved on the outer side of the rotating rod and located at the top of the control valve.
Furthermore, the isolating plugs are made of medical silicon rubber materials, and the number of the isolating plugs is multiple.
Further, the steel needle penetrates through the isolation plug and the soft catheter in sequence.
Furthermore, one end of the positive pressure interface tube is connected with an end cap through a thread groove.
Further, the number of the arc-shaped water passing grooves and the anti-skidding points is multiple.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through arranging the circular structure plate, the large rubber plug plate and the small rubber plug plate, a person holds the transparent tee joint, the needle holding handle is operated, the steel needle and the soft catheter are controlled to be inserted into a blood vessel of a patient, the steel needle is pulled out through the needle holding handle, the soft catheter is left in the blood vessel of the patient, the plurality of isolation plugs are made of silicon rubber materials, the elasticity is good, one end of the transparent tee joint can be blocked, the person inserts the liquid outlet end of a hemodialysis instrument into one end of the positive pressure connector pipe through a pipeline, blood after filtration treatment flows into the transparent tee joint from the control valve and the connecting hose and then flows into the body of the patient, after the blood enters the transparent tee joint, the small rubber plug plate is pushed to move, the small rubber plug plate moves to push the large rubber plug plate away from one side of the circular structure plate through the transmission rod, the blood after filtration treatment flows into the blood vessel of the patient through the plurality of arc-shaped water passing grooves, if backflow, the plurality of arc-shaped water passing grooves tightly attached to the circular structural plate can prevent blood from flowing back, so that the anti-backflow purpose is achieved.
2. Through setting up control valve, dwang and baffle, when carrying out the hemodialysis, personnel can rotate the dwang and drive the baffle and rotate, and the angle of adjustment baffle can block blood, reaches control flow's purpose, and the sealed cover plays sealed effect between dwang and control valve, prevents that blood from spilling.
3. Through setting up anti-skidding point, transparent tee bend and malleation mouth-piece surface hot melt are connected with a plurality of anti-skidding points, can improve the surface friction of transparent tee bend and malleation mouth-piece, make things convenient for personnel to take, operate, use the fixed back of sticky tape simultaneously, are difficult for shifting.
Drawings
Fig. 1 is a schematic view of the whole structure of the disposable safety type hemodialysis indwelling needle of the present invention.
Fig. 2 is the internal structure schematic diagram of the transparent tee joint of the disposable safety type hemodialysis indwelling needle of the utility model.
Fig. 3 is a schematic view of the structure of the circular structure plate of the disposable safety type hemodialysis indwelling needle of the present invention.
Fig. 4 is the schematic view of the internal structure of the control valve of the disposable safety type hemodialysis indwelling needle of the present invention.
In the figure: 1. a transparent tee joint; 2. a positive pressure mouthpiece; 3. a control valve; 4. a needle holding handle; 5. a steel needle; 6. a soft catheter; 7. a connecting hose; 8. anti-skid points; 9. an end cap; 10. A baffle plate; 11. an arc-shaped water passing groove; 12. rotating the rod; 13. sealing sleeves; 14. a circular structural plate; 15. a large rubber plug plate; 16. a small rubber plug plate; 17. a transmission rod; 18. And (4) isolating the plug.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, the disposable safety type blood permeable indwelling needle comprises a transparent tee joint 1, a positive pressure mouthpiece 2, a control valve 3 and a rotating rod 12, wherein one end inside the transparent tee joint 1 is filled with an isolating plug 18, the other end inside the transparent tee joint 1 is provided with a circular structural plate 14, the circular structural plate 14 is internally sleeved with a transmission rod 17, one end of the transmission rod 17 is connected with a large rubber plug plate 15 through a thread groove, the other end of the transmission rod 17 is connected with a small rubber plug plate 16 through a thread groove, one side of the circular structural plate 14 is provided with an arc water passing groove 11, one end of the transparent tee joint 1 is sleeved with a needle holding handle 4, one end of the needle holding handle 4 is provided with a steel needle 5, the other end of the transparent tee joint 1 is glued with a soft conduit 6, one side of the transparent tee joint 1 is provided with the positive pressure mouthpiece 2, the positive, one end of the positive pressure mouthpiece 2 is connected with a control valve 3 through a thread groove, and a connecting hose 7 is arranged between the control valve 3 and the transparent tee joint 1.
Wherein, 3 top covers of control valve are equipped with dwang 12, and the welding of dwang 12 both sides has baffle 10, baffle 10 is located inside control valve 3.
In this embodiment, as shown in fig. 4, a person can rotate the rotating rod 12 to drive the baffle 10 to rotate, and adjust the angle of the baffle 10, so as to block blood and achieve the purpose of controlling the flow rate.
Wherein, the cover in dwang 12 outside is equipped with seal cover 13, seal cover 13 is located control valve 3 top.
In this embodiment, as shown in fig. 4, the sealing sleeve 13 plays a role of sealing between the rotating rod 12 and the control valve 3, thereby preventing blood from leaking out.
The isolating plugs 18 are made of medical silicon rubber materials, and the number of the isolating plugs 18 is multiple.
In this embodiment, as shown in fig. 2, the isolation plug 18 made of medical silicone rubber material has good elasticity and can be plugged to one end of the transparent tee 1.
Wherein the steel needle 5 penetrates through the isolating plug 18 and the soft catheter 6 in sequence.
In this embodiment, as shown in fig. 2, the steel needle 5 penetrates through the isolating plug 18 and the soft catheter 6 in sequence, and the operator operates the needle holding handle 4 to control the insertion of the steel needle 5 and the soft catheter 6 into the blood vessel of the patient.
Wherein, positive pressure interface tube 2 one end is connected with end cap 9 through the thread groove.
In this embodiment, as shown in figure 1, the person opening the end cap 9 may inject some medicament through the positive pressure mouthpiece 2.
Wherein, the number of the arc-shaped water passing grooves 11 and the antiskid points 8 is multiple.
In this embodiment, as shown in fig. 1, a plurality of arc-shaped water passing grooves 11 facilitate blood to flow into the blood vessel of a patient, a plurality of anti-slip points 8 can improve the surface friction force of the transparent tee joint 1 and the positive pressure mouthpiece 2, so that the blood vessel is convenient for a person to take and operate, and the blood vessel is not easy to shift after being fixed by using an adhesive tape.
It should be noted that the utility model is a disposable safety type blood transfusion indwelling needle, when in use, a person holds a transparent tee joint 1, operates a needle holding handle 4, controls a steel needle 5 and a soft catheter 6 to be inserted into a blood vessel of a patient, then pulls out the steel needle 5 through the needle holding handle 4, the soft catheter 6 is left in the blood vessel of the patient, a plurality of isolating plugs 18 are made of silicon rubber material, has good elasticity and can block one end of the transparent tee joint 1, the person inserts a liquid outlet end of a blood transfusion instrument into one end of a positive pressure mouthpiece 2 through a pipeline, blood after filtration treatment flows into the transparent tee joint 1 from a control valve 3 and a connecting hose 7 and then flows into the body of the patient, after the blood enters the transparent tee joint 1, the small rubber plug 16 is pushed to move, the small rubber plug 16 moves to push the large rubber plug 15 away from one side of a circular structure plate 14 through a transmission rod 17, the blood after filtration treatment flows into the blood vessel of the patient through a plurality of arc water passing grooves, if when the backward flow appears, the big rubber cock board 15 of blood promotion of backward flow removes, paste a plurality of arcs on the tight circular structure board 14 and cross basin 11, make the unable backward flow of blood, reach the anti-return mesh, when carrying out the hemodialysis, personnel can rotate dwang 12 and drive baffle 10 and rotate, the angle of adjustment baffle 10, can block blood, reach control flow's purpose, seal cover 13 plays sealed effect between dwang 12 and control valve 3, prevent that blood from spilling, transparent tee bend 1 and 2 surperficial hot melt of malleation interface tube are connected with a plurality of anti-skidding points 8, can improve transparent tee bend 1 and the surperficial friction of malleation interface tube 2, make things convenient for personnel to take, the operation, use the fixed back of sticky tape simultaneously, difficult aversion.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. Disposable safe type hemodialysis indwelling needle, including transparent tee bend (1), malleation mouth-piece (2), control valve (3) and dwang (12), its characterized in that: the anti-skid device is characterized in that an isolation plug (18) is filled at one end inside the transparent tee joint (1), a round structure plate (14) is arranged at the other end inside the transparent tee joint (1), a transmission rod (17) is sleeved inside the round structure plate (14), one end of the transmission rod (17) is connected with a large rubber plug plate (15) through a thread groove, the other end of the transmission rod (17) is connected with a small rubber plug plate (16) through a thread groove, an arc-shaped water passing groove (11) is formed in one side of the round structure plate (14), one end of the transparent tee joint (1) is sleeved with a needle handle (4), a steel needle (5) is arranged at one end of the needle handle (4), a soft guide pipe (6) is glued at the other end of the transparent tee joint (1), a positive pressure interface pipe (2) is arranged on one side of the transparent tee joint (1), and anti-skid, one end of the positive pressure connector pipe (2) is connected with a control valve (3) through a thread groove, and a connecting hose (7) is arranged between the control valve (3) and the transparent tee joint (1).
2. The single use safety hemodialysis indwelling needle of claim 1, wherein: the top cover of control valve (3) is equipped with dwang (12), and the welding of dwang (12) both sides has baffle (10), baffle (10) are located inside control valve (3).
3. The single use safety hemodialysis indwelling needle of claim 1, wherein: the outer side of the rotating rod (12) is sleeved with a sealing sleeve (13), and the sealing sleeve (13) is located at the top of the control valve (3).
4. The single use safety hemodialysis indwelling needle of claim 1, wherein: the isolating plugs (18) are made of medical silicon rubber materials, and the number of the isolating plugs (18) is multiple.
5. The single use safety hemodialysis indwelling needle of claim 1, wherein: the steel needle (5) penetrates through the isolating plug (18) and the soft catheter (6) in sequence.
6. The single use safety hemodialysis indwelling needle of claim 1, wherein: one end of the positive pressure interface tube (2) is connected with an end cap (9) through a thread groove.
7. The single use safety hemodialysis indwelling needle of claim 1, wherein: the number of the arc-shaped water passing grooves (11) and the anti-skidding points (8) is multiple.
CN202021050897.6U 2020-06-10 2020-06-10 Disposable safety blood penetrating indwelling needle Expired - Fee Related CN213589302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021050897.6U CN213589302U (en) 2020-06-10 2020-06-10 Disposable safety blood penetrating indwelling needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021050897.6U CN213589302U (en) 2020-06-10 2020-06-10 Disposable safety blood penetrating indwelling needle

Publications (1)

Publication Number Publication Date
CN213589302U true CN213589302U (en) 2021-07-02

Family

ID=76582690

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021050897.6U Expired - Fee Related CN213589302U (en) 2020-06-10 2020-06-10 Disposable safety blood penetrating indwelling needle

Country Status (1)

Country Link
CN (1) CN213589302U (en)

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Granted publication date: 20210702