CN203263376U - Safe artery remaining needle - Google Patents
Safe artery remaining needle Download PDFInfo
- Publication number
- CN203263376U CN203263376U CN 201320218948 CN201320218948U CN203263376U CN 203263376 U CN203263376 U CN 203263376U CN 201320218948 CN201320218948 CN 201320218948 CN 201320218948 U CN201320218948 U CN 201320218948U CN 203263376 U CN203263376 U CN 203263376U
- Authority
- CN
- China
- Prior art keywords
- blood
- needle
- runner
- remaining needle
- 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
Links
- 210000001367 artery Anatomy 0.000 title claims abstract description 19
- 239000008280 blood Substances 0.000 claims abstract description 42
- 210000004369 blood Anatomy 0.000 claims abstract description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 230000017531 blood circulation Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- 238000012544 monitoring process Methods 0.000 description 7
- 239000003146 anticoagulant agent Substances 0.000 description 5
- 229940127219 anticoagulant drug Drugs 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010241 blood sampling Methods 0.000 description 3
- 208000030507 AIDS Diseases 0.000 description 2
- 229920005479 Lucite® Polymers 0.000 description 2
- 230000004872 arterial blood pressure Effects 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 208000005189 Embolism Diseases 0.000 description 1
- 208000005176 Hepatitis C Diseases 0.000 description 1
- 208000001435 Thromboembolism Diseases 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 208000002672 hepatitis B Diseases 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 208000006379 syphilis Diseases 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a safe artery remaining needle. The safe artery remaining needle comprises a remaining needle seat, wherein a blood runner is formed in the remaining needle seat in the horizontal direction, and the remaining needle seat is provided with a switching device used for controlling the connection and disconnection of the blood runner. A remaining hose is arranged at the front end of the remaining needle seat in an extending mode, wherein a cavity of the remaining hose is communicated with the blood runner of the remaining needle seat. A puncture steel needle fixed on a steel needle seat enters an opening of the blood runner through the tail end of the remaining needle seat in a penetrating mode and comes out of an opening of the remaining hose in a penetrating mode. The switching device comprises a tube core vertically arranged inside the remaining needle seat, wherein the tube core is in sliding fit with the remaining needle seat in a sealing mode, through channels which intersect with one another are formed in the tube core, the axes of the through channels are the same as the axis of the blood runner in height, silica gel plugs are arranged at an inlet and an outlet of one of the through channels respectively, and a spirally twisting handle is arranged on the upper portion of the part, extending out of the remaining needle seat, of the tube core. The safe artery remaining needle has the advantages of being simple in structure and convenient to operate, and realizes sterile and safe operation.
Description
Technical field
This utility model relates to medical treatment device, especially relates to a kind of safety needle of retaining on artery that wound arteriotony monitoring use is arranged continuously.
Background technology
It is that major operation perioperative and unstable blood pressure are decided one of monitoring means commonly used of patient that the monitoring of wound arteriotony is arranged continuously.Continuously to complete by keeping somewhere the monitoring system that remaining needle and the pressure transducer that is connected with remaining needle in tremulous pulse and monitor form by the monitoring of wound arteriotony.Its ultimate principle is by pressure transducer, blood to be converted to the pulse signal that can be monitor identification to the pressure signal of blood vessel wall, and reaction patient's promptly and accurately arterial pressure and waveform help guiding clinical diagnosis and treatment.At present, the many disposable vein remaining needles by a kind of direct puncture type of needle of retaining on artery commonly used replace clinically, and this venous detaining needle mainly is made of the sleeve pipe that the draw point nook closing member is housed, lucite pipe and semi-enclosed obstruction pipe.Namely can observe blood and flow into lucite pipe from draw point nook closing member tail end after the draw point nook closing member enters tremulous pulse, sleeve pipe can be pushed away forward along draw point as position suitable and make it to insert smoothly arteries, at this moment press the tremulous pulse at cannula tip place, take out the draw point nook closing member, sleeve port is connected with the joint of extending of pressure transducer, the pumpback aerofluxus can continuous monitoring have the wound arteriotony behind school zero.During practical operation, because the arterial pressure of human body is higher, after completing arterypuncture and inserting sleeve pipe, in case take out the draw point nook closing member, although the tremulous pulse at cannula tip place is pressed, still has unavoidably blood and flow out from sleeve pipe when sleeve port is connected with the pressure transducer joint of extending.And the operation of pressing cannula tip place's tremulous pulse and Bonding pressure extension sensor pipe joint often a people be difficult to complete independently, also need other people to assist, operation is very inconvenient.The artery position of cannula tip is inaccurate or Bonding pressure extension sensor pipe joint is not smooth if press, the blood flow volume that flows out from sleeve pipe can reach 5-25ml, and this is not only unfavorable to the patient, and severe contamination environment, particularly for the disease that can propagate by blood, as; Hepatitis C, acquired immune deficiency syndrome (AIDS), hepatitis B great three positive, syphilis etc., the consequence that causes can be even more serious, and serious threat is to medical personnel's personal safety.
In addition, for satisfying the needs of diagnosing clinically and treating, often need repeatedly to gather arterial blood, because the three-way cock on the pressure transducer extension tube is far away apart from remaining needle, for preventing anticoagulant in the pressure transducer extension tube to the impact of blood sample, often needing repeatedly to change another syringe after pumpback with syringe can take a blood sample.This method is difficult to guarantee to have got rid of fully in blood the impact of anticoagulant on the one hand; On the other hand, after blood sampling is completed, stop up for preventing needle of retaining on artery, then be connected to the pressure transducer three-way cock with the syringe that anticoagulant is housed, with the anticoagulant whole extension tube of stamping press sensor and needle of retaining on artery.So not only increased workload, and whole blood collection procedure is fully open, is difficult to guarantee the sterile working, relates to equally blood contamination environment and pathophorous problem.More seriously, in the process that is connected with the pressure transducer three-way cock at syringe and takes off, syringe and pressure transducer three-way cock junction are often easily brought air into, if less than in time discovery and with Bas Discharged, air bubble will enter circulation with tremulous pulse blood, cause the thromboembolism of serious organ, bring serious consequence.For pediatric patient, if use the anticoagulant washing time many, flushing dose is large, might affect to a certain extent blood coagulation.
Summary of the invention
The purpose of this utility model is to provide the safety needle of retaining on artery of a kind of puncture and blood collection procedure sealing.
For achieving the above object, this utility model can be taked following technical proposals:
Safety needle of retaining on artery described in the utility model comprises that along continuous straight runs offers the indwelling needle of blood runner, is provided with the switching device of controlling blood runner break-make on described indwelling needle; Front end extension at described indwelling needle is provided with the indwelling flexible pipe, and the tube chamber of described indwelling flexible pipe is connected with the blood runner of described indwelling needle; The puncture draw point that is fixed on the draw point seat penetrates from the blood flow road junction of described indwelling needle tail end, passes from the mouth of pipe of keeping somewhere flexible pipe; Described switching device comprises the tube core that is vertically set in described indwelling needle, described tube core and described indwelling needle sealed sliding are movingly, offer cross one another two through channel on described tube core, the axis of described through channel is consistent with the axis height of described blood runner, it is stifled that the inlet and outlet of a through channel is respectively arranged with silica gel plug therein, is provided with on the tube core top of extending indwelling needle and screws handle.
Offer gathering sill on described draw point seat, positioning guide wire fixing on the filament guiding seat that moves forward and backward along described gathering sill penetrates the front portion that extends to the puncture draw point from described puncture draw point tail end, offer gaging hole on the puncture draw point sidewall of positioning guide wire front end near the needle point place.When the tremulous pulse of puncture privileged sites, the bootable indwelling flexible pipe of positioning guide wire better enters in tremulous pulse, and convenient puncture puts in place.
Be provided with the bypass runner on the blood runner at described indwelling needle rear portion, the exit of described bypass runner is provided with the silica gel plug, can realize needleless blood sampling and needleless injection.
The utility model has the advantage of simple in structurely, easy to operate, can make that the process of blood sampling keeps closed state after arterypuncture and puncture, overcome the drawback of the excessive contaminated environment of blood, realized aseptic, safe operation.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
as shown in Figure 1, needle of retaining on artery described in the utility model comprises that along continuous straight runs offers the indwelling needle 1 of blood runner, is provided with the switching device of controlling blood runner break-make on indwelling needle 1, front end extension at indwelling needle 1 is provided with indwelling flexible pipe 2, and the tube chamber of keeping somewhere flexible pipe 2 is connected with the blood runner of indwelling needle 1, the puncture draw point 4 that is fixed on draw point seat 3 penetrates from the blood flow road junction of keeping somewhere the needle stand tail end, passes from the mouth of pipe of keeping somewhere flexible pipe 2, the excessive contaminated environment of blood can not occur when guaranteeing puncture and air bubble occur entering serious consequence in arterial blood, switching device comprises the tube core 5 that is vertically set in indwelling needle 1, tube core 5 and indwelling needle 1 sealed sliding are movingly, be that tube core 5 can be at the interior seal rotary of indwelling needle 1 but can not move left and right, offer cross one another two through channel on tube core 5, the axis of through channel is consistent with the axis height of blood runner, the inlet and outlet of a through channel is respectively arranged with silica gel plug stifled 6 therein, be provided with on tube core 5 tops of extending indwelling needle 1 and screw handle 7.
Before puncture, rotate tube cores 5 by screwing handle 7, the interior blood runner of through channel that inlet and outlet is respectively arranged with silica gel plug stifled 6 and indwelling needle 1 is connected.During puncture, puncture draw point 4 penetrates from the blood flow road junction of keeping somewhere the needle stand tail end, passes two silica gel plugs stifled 6 on tube core 5 and enters and keep somewhere flexible pipe 2 and puncture.When seeing that puncture draw point 4 tail ends have blood to flow out, arteries is worn out in expression, at this moment promoting indwelling needle 1 makes indwelling flexible pipe 2 enter arteries, after indwelling flexible pipe 2 enters into desired location, pin the front end of keeping somewhere flexible pipe 2, hold draw point seat 3 draw point 4 that will puncture and extract, due to the self-enclosed effect of silica gel plug stifled 6, blood can not overflow when pulling out pin.At this moment the extension hose of pressure transducer can be connected on the afterbody of indwelling needle 1; After connecting, screw handle 7, the interior blood runner of another through channel and indwelling needle 1 is communicated with, can carry out normal monitoring of blood pressure.
Be provided with bypass runner 11 on the blood runner at indwelling needle 1 rear portion, the exit of this bypass runner 11 is provided with silica gel plug 12.When the interim blood sample collection of needs, directly take a blood sample or injection gets final product with syringe compressing silica gel plug 12.
If keep somewhere arterial needle at privileged sites (as the upper arm place), can offer gathering sill on draw point seat 3, positioning guide wire 9 fixing on the filament guiding seat 8 that moves forward and backward along gathering sill penetrates the front portion that extends to the puncture draw point from draw point 4 tail ends that puncture, offer gaging hole 10 on the puncture draw point sidewall of positioning guide wire 9 front ends near the needle point place.When puncture puts in place, blood can flow into from gaging hole 10 to be kept somewhere flexible pipe 2, at this moment can promote filament guiding seat 8 to front slide, move up into tremulous pulse before making positioning guide wire 9, and then propelling indwelling needle 1, make and keep somewhere flexible pipe 2 and enter desired location along positioning guide wire 9, thereby can greatly promote puncture success rate, hold at last will puncture draw point 4 and positioning guide wire 9 of draw point seat 3 and extract together and get final product.
Claims (3)
1. a safety needle of retaining on artery, comprise that along continuous straight runs offers the indwelling needle of blood runner (1), is provided with the switching device of controlling blood runner break-make on described indwelling needle (1); Front end extension at described indwelling needle (1) is provided with indwelling flexible pipe (2), and the tube chamber of described indwelling flexible pipe (2) is connected with the blood runner of described indwelling needle (1); The puncture draw point (4) that is fixed on draw point seat (3) penetrates from the blood flow road junction of described indwelling needle tail end, passes from the mouth of pipe of keeping somewhere flexible pipe (2); It is characterized in that: described switching device comprises the tube core (5) that is vertically set in described indwelling needle (1), described tube core (5) and described indwelling needle (1) sealed sliding are movingly, offer cross one another through channel on described tube core (5), the axis of described through channel is consistent with the axis height of described blood runner, the inlet and outlet of a through channel is respectively arranged with silica gel plug plug (6) therein, is provided with on the tube core that extends indwelling needle (1) (5) top and screws handle (7).
2. safety needle of retaining on artery according to claim 1, it is characterized in that: offer gathering sill on described draw point seat (3), the upper fixing positioning guide wire (9) of filament guiding seat (8) that moves forward and backward along described gathering sill penetrates the front portion that extends to the puncture draw point from described puncture draw point (4) tail end, offer gaging hole (10) on the puncture draw point sidewall of positioning guide wire (9) front end near the needle point place.
3. safety needle of retaining on artery according to claim 1 and 2, it is characterized in that: be provided with bypass runner (11) on the blood runner at described indwelling needle (1) rear portion, the exit of described bypass runner is provided with silica gel plug (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218948 CN203263376U (en) | 2013-04-26 | 2013-04-26 | Safe artery remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218948 CN203263376U (en) | 2013-04-26 | 2013-04-26 | Safe artery remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203263376U true CN203263376U (en) | 2013-11-06 |
Family
ID=49493885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320218948 Expired - Fee Related CN203263376U (en) | 2013-04-26 | 2013-04-26 | Safe artery remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203263376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939206A (en) * | 2018-08-06 | 2018-12-07 | 江苏省人民医院（南京医科大学第附属医院） | Easily fixed aseptic anti-reflux remaining needle |
| CN109938754A (en) * | 2019-03-29 | 2019-06-28 | 西安医学院 | A venipuncture blood collection device |
-
2013
- 2013-04-26 CN CN 201320218948 patent/CN203263376U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939206A (en) * | 2018-08-06 | 2018-12-07 | 江苏省人民医院（南京医科大学第附属医院） | Easily fixed aseptic anti-reflux remaining needle |
| CN109938754A (en) * | 2019-03-29 | 2019-06-28 | 西安医学院 | A venipuncture blood collection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204181960U (en) | A kind of remaining needle | |
| RU186282U1 (en) | DISPOSABLE ANTI-REFLUX PENCIL TYPE NEEDLE FOR VENEPUNCTION WITH VISUAL BLOOD REVERSE CONTROL | |
| CN203263376U (en) | Safe artery remaining needle | |
| CN210250021U (en) | Double-cavity ovum taking device with follicle washing function | |
| CN213158275U (en) | Multifunctional internal fistula puncture needle | |
| CN205795711U (en) | A kind of arterial blood drawing pin of convenient operation | |
| CN202961357U (en) | Novel remaining needle | |
| CN201906288U (en) | Puncturing preventing venous indwelling needle with positive pressure connector | |
| CN220275605U (en) | Blood sampling indwelling needle | |
| CN208927260U (en) | an indwelling needle | |
| CN207949866U (en) | Puncture needle is singly adopted in a kind of separation of haemocyte | |
| CN203280461U (en) | Puncture needle for interventional therapy of cardiology | |
| CN203619990U (en) | Disposable safe artery and venous indwelling needle | |
| CN208388622U (en) | Disposable anti-reverse flow pattern venous blood sample collection needle | |
| CN2815380Y (en) | Closed type artery indwelling needle | |
| CN204192599U (en) | Integral type arterypuncture pressure tester | |
| CN209463999U (en) | A kind of blood taking needle | |
| CN202122757U (en) | Novel interventional catheter | |
| CN207462079U (en) | Disposable dual-purpose type arteriovenous blood-taking device | |
| CN206499489U (en) | Amniocentesis remaining needle sampler | |
| CN202096514U (en) | Multifunctional abdominocentesis indwelling drainage device | |
| CN208640849U (en) | A kind of therapeutic device used for vascular puncture | |
| CN202342147U (en) | Special syringe used for central ductus venosus | |
| CN204708861U (en) | A kind of safety arteriovenous blood-taking device | |
| CN223081669U (en) | A dialysis sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20150426 |
|
| EXPY | Termination of patent right or utility model |