CN209253813U - A kind of novel reduction is bled remaining needle - Google Patents

A kind of novel reduction is bled remaining needle Download PDF

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Publication number
CN209253813U
CN209253813U CN201721161173.7U CN201721161173U CN209253813U CN 209253813 U CN209253813 U CN 209253813U CN 201721161173 U CN201721161173 U CN 201721161173U CN 209253813 U CN209253813 U CN 209253813U
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CN
China
Prior art keywords
needle
remaining needle
fixedly connected
pvc hose
clamp plate
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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
CN201721161173.7U
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Chinese (zh)
Inventor
马凯
Original Assignee
马凯
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Filing date
Publication date
Application filed by 马凯 filed Critical 马凯
Priority to CN201721161173.7U priority Critical patent/CN209253813U/en
Application granted granted Critical
Publication of CN209253813U publication Critical patent/CN209253813U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It bleeds remaining needle, including remaining needle shell the utility model discloses a kind of novel reduction, the remaining needle case top is equipped with Paracentesis needle holder, and Paracentesis needle holder is fixedly connected with handle;The Paracentesis needle holder is fixedly connected with puncture needle;The puncture needle and haemostat are socketed;The haemostat bottom side is equipped with batching pig;The batching pig bottom is fixedly connected with the catheter block being fabricated by translucent rubber material;The catheter block is fixedly connected with conduit;The catheter surface is socketed sheathed catheter;The catheter block side connects PVC hose;Described PVC hose one end is connect with the convex block that valve surface made of resin material is fixedly connected, and the corresponding PVC hose other end is connect with Needleless barotropic connector;The Needleless barotropic connector external tapping end is equipped with nut cap;The PVC hose surface is socketed tongs;The tongs are made of upper clamp plate and lower clamp plate.This kind reduction bleed containing needle structure rationally, it is novel in design, achieve the effect that reduce remaining needle return blood.

Description

A kind of novel reduction is bled remaining needle
Technical field
The utility model relates to a kind of remaining needle, specially a kind of novel reduction is bled remaining needle, is belonged to medical instrument and is answered Use technical field.
Background technique
Venous detaining needle is also known as venous catheter needle, the pain as caused by can be reduced patient due to venipuncture repeatedly and To the fear having an injection, mitigate impatience, be convenient for clinical application, anxious, critical patient rescue medication mitigates the work of nurse Amount, thus venous detaining needle is in wide clinical application;The building block of indwelling needle core is endovascular soft including that can be retained in The guiding puncture needle core of soft conduit or casing and stainless steel.
From the overall structure of remaining needle, present remaining needle is very universal in clinical use, even if correct envelope Pipe, turns off the subsequent Small clamp of remaining needle, still has blood back, bring some unnecessary influences.Therefore, it is asked for above-mentioned Topic proposes that a kind of novel reduction is bled remaining needle.
Utility model content
The purpose of this utility model is that providing a kind of novel reduction to solve the above-mentioned problems bleeds remaining needle.
The utility model is achieved through the following technical solutions above-mentioned purpose, and a kind of novel reduction is bled remaining needle, including Remaining needle shell, the remaining needle case top is equipped with Paracentesis needle holder, and Paracentesis needle holder is fixedly connected with handle;The puncture needle Seat is fixedly connected with puncture needle;The puncture needle and haemostat are socketed;The haemostat bottom side is equipped with batching pig;It is described every It is fixedly connected from plug bottom with the catheter block being fabricated by translucent rubber material;The catheter block is fixedly connected with conduit;Institute State catheter surface socket sheathed catheter;The catheter block side connects PVC hose;Described PVC hose one end with by resin material system At the convex block connection that is fixedly connected of valve surface, and the corresponding PVC hose other end is connect with Needleless barotropic connector;Institute Needleless barotropic connector external tapping end is stated equipped with nut cap;The PVC hose surface is socketed tongs;The tongs by upper clamp plate with Lower clamp plate is constituted.
Preferably, the Paracentesis needle holder is slidably connected with the remaining needle shell.
Preferably, the puncture needle is hollow tubular type structure.
Preferably, the puncture needle sequentially passes through the haemostat, batching pig and catheter block and is connected in conduit.
Preferably, the valve is located at the conduit and catheter block and PVC hose junction.
Preferably, described upper clamp plate one end is fixed with lower clamp plate one end, and the upper clamp plate other end and lower clamp plate other end card Close connection.
The beneficial effects of the utility model are: this kind reduction is bled, containing needle structure is reasonable, novel in design, quiet according to lower limb Arteries and veins valve principle is arranged a valve in the conduit root of remaining needle limbs, makes medical fluid that can only enter blood vessel along a direction, when After liquid infusion finishes tube sealing, since blood stream pressure closes valve, remaining needle return blood is reduced, counterflow-preventing and the operation is stable are reached Reliably, the effect of safety and sanitation, practical value is higher, has good market effect, is suitble to promote the use of.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is partial enlargement figure structure schematic representation at A in the utility model Fig. 1.
In figure: 1, remaining needle shell, 2, handle, 3, Paracentesis needle holder, 4, puncture needle, 5, batching pig, 6, haemostat, 7, conduit Set, 8, conduit, 9, catheter block, 10, tongs, 1001, upper clamp plate, 1002, lower clamp plate, 11, PVC hose, 12, Needleless barotropic connects Head, 13, nut cap, 14, valve, 15, convex block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-2, a kind of novel reduction is bled remaining needle, including remaining needle shell 1, the remaining needle shell 1 top is equipped with Paracentesis needle holder 3, and Paracentesis needle holder 3 is fixedly connected with handle 2;The Paracentesis needle holder 3 is fixedly connected with puncture needle 4, The puncture needle 4 of setting preferably enters blood vessel convenient for conduit 8;The puncture needle 4 is socketed with haemostat 6, and the haemostat 6 of setting is protected Hinder the unnecessary loss of blood;6 bottom side of haemostat is equipped with batching pig 5;5 bottom of batching pig with by transparent rubber The catheter block 9 that material is fabricated is fixedly connected;The catheter block 9 is fixedly connected with conduit 8;8 surface of the conduit socket is led Pipe sleeve 7 protects not influenced by the bring of impurity in air for conduit 8, protects the health of conduit 8;9 side of catheter block connects Connect PVC hose 11;The convex block 15 that described 11 one end of PVC hose is fixedly connected with 14 surface of valve made of resin material connects It connects, preferably increases by 14 elasticity of valve and softness, and corresponding 11 other end of PVC hose and Needleless barotropic connector 12 Connection;The 12 external tapping end of Needleless barotropic connector is equipped with nut cap 13, ensures the health of Needleless barotropic connector 12;The PVC is soft 11 surface of pipe is socketed tongs 10, controls transfusion condition in time;The tongs 10 are by upper clamp plate 1001 and 1002 structure of lower clamp plate At.Valve 14 can be with medical fluid and blood activity, and when infusion valve is opened, medical fluid pressure allows medical fluid to enter PVC hose Infusion is completed, after infusion, blood pressure closes valve by PVC hose mouth, rents blood backflow and enters PVC hose, valve 14 and convex block 15 cooperation complete closing PVC hose.
As a kind of technical optimization scheme of the utility model, the Paracentesis needle holder 3 connects with the remaining needle shell 1 sliding It connects, convenient for the use of puncture needle 4.
As a kind of technical optimization scheme of the utility model, the puncture needle 4 is hollow tubular type structure, and structure is closed Reason preferably enters blood vessel convenient for subsidiary conduit 8.
As a kind of technical optimization scheme of the utility model, the puncture needle 4 sequentially passes through the haemostat 6, isolation Plug 5 and catheter block 9 are connected in conduit 8, ensure the compactedness between each structure.
As a kind of technical optimization scheme of the utility model, the valve 14 be located at the conduit 8 and catheter block 9 and 11 junction of PVC hose, after ensureing that liquid infusion finishes tube sealing, valve 14 is closed, and reduces blood back.
As a kind of technical optimization scheme of the utility model, described 1001 one end of upper clamp plate and 1002 one end of lower clamp plate are solid It is fixed, and 1001 other end of upper clamp plate is connected together with 1002 other end of lower clamp plate, controls the transfusion condition of perfusion tube in time.
When the utility model is used, conduit 8 and puncture needle 4 punctured together when using into intravascular, when conduit 8 entirely After portion enters blood vessel, puncture needle 4 is withdrawn out, is only stopping soft 8 indwelling of conduit in the blood vessels to carry out infusion treatment When infusion, by the way that the upper clamp plate 1001 in tongs 10 is connected together with lower clamp plate 1002, needleless is being covered just by nut cap 13 12 interface of crimp head ensures the safe and healthy of Needleless barotropic connector 12, and 8 root of the conduit setting in remaining needle shell 1 One valve 14 makes medical fluid that can only enter blood vessel along a direction, after liquid infusion finishes tube sealing, since blood stream pressure makes The convex block 15 on 14 surface of valve engages with 11 one end of PVC hose, ensures that valve 14 is closed, to complete to reduce returning for remaining needle Blood.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

  1. The remaining needle 1. a kind of novel reduction is bled, including remaining needle shell (1), it is characterised in that: remaining needle shell (1) top Portion is equipped with Paracentesis needle holder (3), and Paracentesis needle holder (3) is fixedly connected with handle (2);The Paracentesis needle holder (3) and puncture needle (4) are solid Fixed connection;The puncture needle (4) and haemostat (6) are socketed;Haemostat (6) bottom side is equipped with batching pig (5);It is described every It is fixedly connected from plug (5) bottom with the catheter block (9) being fabricated by translucent rubber material;The catheter block (9) and conduit (8) It is fixedly connected;Conduit (8) surface is socketed sheathed catheter (7);Catheter block (9) side connects PVC hose (11);It is described PVC hose (11) one end is connect with the convex block (15) that valve made of resin material (14) surface is fixedly connected, and right with it PVC hose (11) other end answered is connect with Needleless barotropic connector (12);Needleless barotropic connector (12) the external tapping end is equipped with Nut cap (13);PVC hose (11) surface is socketed tongs (10);The tongs (10) are by upper clamp plate (1001) and lower folder Plate (1002) is constituted.
  2. The remaining needle 2. a kind of novel reduction according to claim 1 is bled, it is characterised in that: the Paracentesis needle holder (3) with The remaining needle shell (1) is slidably connected.
  3. The remaining needle 3. a kind of novel reduction according to claim 1 is bled, it is characterised in that: during the puncture needle (4) is Empty tubular-type structure.
  4. The remaining needle 4. a kind of novel reduction according to claim 1 is bled, it is characterised in that: the puncture needle (4) is successively It is connected in conduit (8) through the haemostat (6), batching pig (5) and catheter block (9).
  5. The remaining needle 5. a kind of novel reduction according to claim 1 is bled, it is characterised in that: the valve (14) is located at institute State conduit (8) and catheter block (9) and PVC hose (11) junction.
  6. The remaining needle 6. a kind of novel reduction according to claim 1 is bled, it is characterised in that: the upper clamp plate (1001) one End is fixed with lower clamp plate (1002) one end, and upper clamp plate (1001) other end is connected together with lower clamp plate (1002) other end.
CN201721161173.7U 2017-09-12 2017-09-12 A kind of novel reduction is bled remaining needle Expired - Fee Related CN209253813U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721161173.7U CN209253813U (en) 2017-09-12 2017-09-12 A kind of novel reduction is bled remaining needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721161173.7U CN209253813U (en) 2017-09-12 2017-09-12 A kind of novel reduction is bled remaining needle

Publications (1)

Publication Number Publication Date
CN209253813U true CN209253813U (en) 2019-08-16

Family

ID=67556697

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721161173.7U Expired - Fee Related CN209253813U (en) 2017-09-12 2017-09-12 A kind of novel reduction is bled remaining needle

Country Status (1)

Country Link
CN (1) CN209253813U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190816

Termination date: 20190912