CN102188763A - Disposable safe transfusion needle - Google Patents
Disposable safe transfusion needle Download PDFInfo
- Publication number
- CN102188763A CN102188763A CN2011100603363A CN201110060336A CN102188763A CN 102188763 A CN102188763 A CN 102188763A CN 2011100603363 A CN2011100603363 A CN 2011100603363A CN 201110060336 A CN201110060336 A CN 201110060336A CN 102188763 A CN102188763 A CN 102188763A
- Authority
- CN
- China
- Prior art keywords
- needle
- protective casing
- plane
- paracentesis
- spring
- 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.)
- Pending
Links
Images
Abstract
The invention relates to a disposable safe transfusion needle composed of a conduit, a puncture needle stand, a puncture needle, a spring and a protective sleeve, characterized in that: the protective sleeve is in the needle point position of the puncture needle and completely covers the needle point when leaving factory; when in use, the handle of the protective sleeve is pinched by hand, then the protective sleeve is distorted so that the needle point of the puncture needle points to the needle point outlet on the protective sleeve, and then the protective sleeve is pulled downwards to protrude out the puncture needle until the protective sleeve is clamped with the needle stand; and after being used, the protective sleeve is lightly pushed to the direction deviated from the needle handle by hand, the protective sleeve clamped with the puncture needle stand is disengaged; and due to the actions of the spring and an inner inclined surface on the protective sleeve, when the needle point returns into the protective sleeve, the needle point automatically deflects in the direction without freely protruding forwards.
Description
Technical field
The present invention relates to a kind of transfusion needle disposable safe in utilization that is widely used in medical purpose.
Background technology
Disposable venous infusion needle is an indispensable medical apparatus and instruments in venous transfusion, blood sampling, the therapeutic process.Mostly be one plastic bushing to be set in the safety design of the transfusion needle that in clinical, uses at present on the needle body surface of transfusion needle; in case needle body is contaminated; during use; must earlier plastic bushing be removed, carry out venipuncture procedure again, when treating that transfusion finishes; plastic bushing disappears without a trace and can not protect needle body and needle point after the use more often; even found plastic bushing,, just have by may taking place that needle point is stabbed owing to will be sleeved on again on the needle body.
Domestic also have unit or individual to study on this question, as: ZL:02112068.4, record and narrate " a kind of single wing transfusion syringe " and ZL:02112106.0 with safety device, record and narrate " a kind of transfusion needle with safety device ", two inventions have been explained the method for implementing sheath on the transfusion needle surface transfusion needle have been protected; Two technology all are to have one or symmetrical finedraw by a tubular structure and on the pipe sidewall, and have locked groove at the terminal point of seam, so that the transfusion needle handle can not withdraw from after entering, to reach the purpose of protection.But, its structure is having certain deficiency on the clinical manipulation: its transfusion needle sheath is positioned at an end (near filter for transfusion side) of transfusion needle flexible pipe when dispatching from the factory, and the transfusion needle body surface still needs a protective jacket, cause waste to production unit, in addition, its safety device is a round tube, no hand held structures, the finedraw para-position that the transfusion needle handle will be opened with it during use, needle handle is entered in the safe pillar, and this para-position work is very much trouble, needs the nurse to rotate pillar, make its most advanced and sophisticated V-notch aim at the transfusion needle handle, just can reach.So its structural defective causes difficulty for clinical use, is unfavorable for the popularization and the use of its product.
In addition; the ZL:200810049364.3 that I am arranged; recorded and narrated " disposable safety vein puncture needle "; its core technology is with a protective casing and spring; after venipuncture needle uses; open the snap close of sleeve pipe and needle stand, utilize spring force that protective casing is placed the needle tip position, puncture needle is protected.
Summary of the invention
The objective of the invention is to overcome above deficiency, a kind of new safe infusion pin is provided.
The present invention is made up of conduit, Paracentesis needle holder, puncture needle, spring and protective casing; it is characterized in that: the protective casing of safe infusion pin just is in the needle point position of puncture needle and needle point is wrapped up fully when product export; simultaneously; make the needle point of puncture needle point to the needle point outlet depart from the protective casing, have spring to be connected between protective casing and the needle stand.During use; pinch protrusion handle on the protective casing with hands; earlier protective casing is reversed; make the needle point of puncture needle point to the needle point outlet on the protective casing; spurring protective casing downwards stretches out puncture needle; engage with needle stand until protective casing; at this moment; just can begin to puncture and treated; after transfusion finishes and puncture needle extracted in the patient body, protective casing is broken gently off with the fingers and thumb engaging and to be opened between protective casing and the Paracentesis needle holder with hands to the direction that departs from needle handle; because the effect on the interior inclined-plane on spring and the protective casing, in the time of in needle point is got back to protective casing its sensing will deflect automatically and can not be random stretch out again forward.Thereby make the transfusion needle after the clinical use obtain practical protection, the generation of avoiding acupuncture to accidentally injure.
Above-mentioned transfusion needle disposable safe in utilization is duplicate with traditional transfusion needle in venipuncture (transfusion) therapeutic process, need not change the clinical manipulation rules and following advantage is arranged:
● clear in structure, simple structure have only increased a spring and have just realized safeguard protection to transfusion needle on the basis of traditional infusion pin.
● simple to operate, satisfy rule of operation, owing to core action (first supination is drawn) disguise in operation that puncture needle is stretched out, the probability that makes non-user of service be accidentally injured when contact apparatus of the present invention reduces greatly.
Disposable transfusion needle safe in utilization of the present invention is the innovation scheme that breaks through existing all technical schemes; expanded the function of use of protective casing on the traditional infusion pin in the present invention; make its only had before use originally defencive function expand to use before and use after; simultaneously; utilize the characteristic of spring that Paracentesis needle holder and protective casing form in use are in minimum; be beneficial to puncture procedure, practical.The transfusion needle that is beneficial to the technology of the present invention production will be the representative of technological progress, productivity's developing direction.
Description of drawings
Fig. 1 is a combinative structure sketch map of the present invention
Fig. 2 is that the present invention's (guard mode) when dispatching from the factory is 90 profiles of spending directions with needle handle
Fig. 3 be the present invention when dispatching from the factory (guard mode) along the profile of needle handle direction
Fig. 4 is the present invention is 90 degree directions in use with needle handle a profile
Fig. 5 is that the present invention is in use along the profile of needle handle direction
The specific embodiment
Technical scheme for a better understanding of the present invention, the present invention will be described in detail in conjunction with the accompanying drawings.
Fig. 1 is a combinative structure sketch map of the present invention, by this figure as can be known: disposable transfusion needle safe in utilization of the present invention is made up of conduit 1, Paracentesis needle holder 2, puncture needle 3, spring 4 and protective casing 5, wherein: conduit 1 is bonded on the hypomere pipe of Paracentesis needle holder 2, puncture needle 3 is bonded on the Paracentesis needle holder 2, and the two ends up and down of spring 4 are bonded on Paracentesis needle holder 2 and the protective casing 5 respectively and puncture needle 3 is therefrom passed;
Fig. 2; Fig. 3 is that the present invention (guard mode) and needle handle when dispatching from the factory are 90 degree directions and along the profile of needle handle direction; by two figure as can be known: the needle point of puncture needle 3 is in the endoporus of epimere pipe 5B of protective casing 5 during product export; and needle point points to the opposite side that has circular hole 5B1; be bonded on the spring on the interior inclined-plane 5A5 on the protective casing 5; the size of interior inclined-plane 5A5 is greater than the diameter dimension of spring 4; the axis of protective casing 5 self and the axis of puncture needle 3 are a angle; because the tapering of oval taper hole 5A4 is 2 times of this angle; ellipse taper hole 5A4 can not influence the straight of spring 4 when protective casing 5 reverses with a angle on long axis direction so satisfy; the lower end of spring 4 is bonded in the epimere endoporus of Paracentesis needle holder 2; spring 4 is in nature does not have compressive state; buckle 2A1 on groove 5A1 on the protective casing 5 and the Paracentesis needle holder 2 is corresponding up and down, and is corresponding about the inclined-plane 2B on the inclined-plane 5A3 on the protective casing 5 and the Paracentesis needle holder 2.
Fig. 4; Fig. 5 is that the present invention is 90 degree directions with needle handle and in use along the profile of needle handle direction; by two figure as can be known: when using; the handle 5A2 that pinches on the protective casing 5 with hands reverses protective casing 5; puncture needle 3 is under the support of the convex body 5C on the protective casing 5; needle point points to the circular hole 5B1 on the protective casing 5; spur protective casing 5 downwards; the needle point of puncture needle 3 is stretched out from protective casing 5; when the groove 5A1 on the protective casing 5 when buckle 2A1 on the Paracentesis needle holder 2 engages; inclined-plane 5A3 on the protective casing 5 and the inclined-plane 2B on the Paracentesis needle holder 2 also fit tightly; simultaneously; because the stiffness characteristics of puncture needle 3 self makes protective casing 5 can not remove under the state that is stuck under the situation that does not have the external force effect.
At this moment; just can begin to puncture and treated; after transfusion finishes and puncture needle 3 is extracted in the patient body; with hands protective casing 5 is broken off with the fingers and thumb gently to the direction that departs from needle handle 2A; engaging between the buckle 2A1 on the groove 5A1 on the protective casing 5 and the Paracentesis needle holder 2 is opened; because the effect of the interior inclined-plane 5A5 on spring 4 and the protective casing 5, in the time of in the needle point of puncture needle 3 is got back to protective casing 5 its sensing will deflect automatically and can not be random stretch out again forward.Thereby make the transfusion needle after the clinical use obtain practical protection, the generation of having avoided acupuncture to accidentally injure.
Claims (9)
1. disposable transfusion needle safe in utilization of the present invention is made up of conduit (1), Paracentesis needle holder (2), puncture needle (3), spring (4) and protective casing (5); wherein: conduit (1) is bonded on the hypomere pipe of Paracentesis needle holder (2); puncture needle (3) is bonded on the Paracentesis needle holder (2), and the two ends up and down of spring (4) are bonded in Paracentesis needle holder (2) respectively and protective casing (5) is gone up and puncture needle (3) is therefrom passed.
2. disposable transfusion needle safe in utilization according to claim 1, it is characterized in that: Paracentesis needle holder (2) is two sections up big and down small continuous pipes, its endoporus also is up big and down small two sections, the hypomere slightly larger in diameter is in the diameter of puncture needle (3), the epimere slightly larger in diameter is in the diameter of spring (4), the upper surface of Paracentesis needle holder (2) is inclined-plane (2B), and there is the needle handle (2A) that is higher than epimere in the outside of (2B) least significant end on the inclined-plane, and buckle (2A1) is arranged on the needle handle (2A).
3. disposable transfusion needle safe in utilization according to claim 1; it is characterized in that: protective casing (5) is two sections up-small and down-big continuous pipes; its epimere pipe (5B) is the wall thickness unanimity and oblateness that upper sealing plate is arranged; on its shrouding; two surfaces are inclined-plane upwards and downward inclined-plane (5B2) on oblate long axis direction down; have vertical circular hole (5B1) at the thicker end of shrouding; the handle (5A2) that outside protrusion is arranged in oblate long axis direction both sides, hypomere pipe (5A) upper edge of protective casing (5); the groove of opening from the top down (5A1) is arranged in the side along short-axis direction; the bottom surface of hypomere pipe 5A is inclined-plane (5A3); the endoporus of hypomere pipe (5B) is up-small and down-big; tapering is the oval taper hole (5A4) of 2a; it is long; the length of short-axis direction and epimere pipe (5B) endoporus; the short-axis direction unanimity; oval taper hole (5A4) is the interior inclined-plane (5A5) parallel with the shrouding upper surface on the epimere pipe (5B) with the interface of epimere pipe (5B) endoporus; its angle of inclination is a, enters epimere pipe (5B) the spatial local convex body of endoporus (5C) on low distolateral oriented on inclined-plane (5A5).
4. according to claim 3: the consistent size of the diameter of the circular hole (5B1) on the protective casing (5) and the endoporus short-axis direction of epimere pipe (5B) and be not more than half of major axis dimension; while is greater than the diameter of puncture needle (3), a side superimposed of the half of circumference of circular hole (5B1) and epimere pipe (5B) endoporus.
5. according to claim 1, claim 2 and claim 3: the minimum point on the inclined-plane (5A3) on the protective casing (5) makes progress corresponding to the mid point of groove (5A1), and the distance between 2 equals the distance of buckle (2A1) (2B) least significant end to the inclined-plane on the Paracentesis needle holder (2).
6. according to claim 1; claim 2 and claim 3: be bonded on the spring (4) on the interior inclined-plane (5A5) on the protective casing (5); the size on interior inclined-plane (5A5) is greater than the diameter dimension of spring (4); the lower end of spring (4) is bonded in the epimere endoporus of Paracentesis needle holder (2); when spring (4) is in nature and does not have compressive state; groove (5A1) on the protective casing (5) is corresponding up and down with buckle (2A1) on the Paracentesis needle holder (2); inclined-plane (5A3) on the protective casing (5) is corresponding up and down with inclined-plane (2B) on the Paracentesis needle holder (2); simultaneously; the axis of protective casing (5) self and the axis of puncture needle (3) are a angle; the needle point of puncture needle (3) is in the endoporus of epimere pipe (5B) of protective casing (5); and needle point points to the opposite side that has circular hole (5B1); at this moment, oval taper hole (5A4) can not influence the straight naturally of spring (4).
7. according to claim 1, claim 2 and claim 3: during use; have only by protective casing (5) is reversed; puncture needle (3) spurs protective casing (5) downwards the needle point of puncture needle (3) is stretched out from protective casing (5) behind the circular hole (5B1) on the needle point sensing protective casing (5) under the support of the convex body (5C) on the protective casing (5).
8. according to claim 1, claim 2, claim 3, claim 5 and claim 6: the buckle (2A1) on the groove (5A1) on the protective casing (5) and Paracentesis needle holder (2) is when engaging; inclined-plane (2B) on inclined-plane (5A3) on the protective casing (5) and the Paracentesis needle holder (2) also fits tightly; simultaneously; because the stiffness characteristics of puncture needle (3) self makes protective casing (5) can not remove under the state that is stuck under the situation that does not have the external force effect.
9. according to claim 1, claim 2, claim 3 and claim 8: have only protective casing (5) is broken off with the fingers and thumb gently to the direction that departs from needle handle (2A), engaging just and can be opened between the buckle (2A1) on the groove (5A1) on the protective casing (5) and the Paracentesis needle holder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100603363A CN102188763A (en) | 2011-03-14 | 2011-03-14 | Disposable safe transfusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100603363A CN102188763A (en) | 2011-03-14 | 2011-03-14 | Disposable safe transfusion needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102188763A true CN102188763A (en) | 2011-09-21 |
Family
ID=44598190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100603363A Pending CN102188763A (en) | 2011-03-14 | 2011-03-14 | Disposable safe transfusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102188763A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901882A (en) * | 2017-01-05 | 2017-06-30 | 浦运伟 | One kind suppression fat suppression food device and application method |
| CN106924839A (en) * | 2015-12-30 | 2017-07-07 | 江苏阳普医疗科技有限公司 | A kind of safe intravenous infusion needle and its implementation |
| CN107789702A (en) * | 2016-08-31 | 2018-03-13 | 江苏阳普医疗科技有限公司 | A kind of safety-type medical trocar with pumpback guide structure |
| CN110812618A (en) * | 2019-11-14 | 2020-02-21 | 湛江健力源医疗用品有限公司 | Puncture-proof injection needle with elastic sheath |
| CN110812604A (en) * | 2019-11-14 | 2020-02-21 | 湛江健力源医疗用品有限公司 | Fixed needle puncture-proof syringe |
| CN110848721A (en) * | 2019-11-25 | 2020-02-28 | 衢州佰强新材料科技有限公司 | Fluorine plastic steel low temperature flue gas advanced treatment device |
| WO2021093709A1 (en) * | 2019-11-14 | 2021-05-20 | 湛江健力源医疗用品有限公司 | Stab-preventing injection needle and stab-preventing injector with elastic protective cap |
-
2011
- 2011-03-14 CN CN2011100603363A patent/CN102188763A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106924839A (en) * | 2015-12-30 | 2017-07-07 | 江苏阳普医疗科技有限公司 | A kind of safe intravenous infusion needle and its implementation |
| CN107789702A (en) * | 2016-08-31 | 2018-03-13 | 江苏阳普医疗科技有限公司 | A kind of safety-type medical trocar with pumpback guide structure |
| CN106901882A (en) * | 2017-01-05 | 2017-06-30 | 浦运伟 | One kind suppression fat suppression food device and application method |
| CN106901882B (en) * | 2017-01-05 | 2023-11-07 | 浦运伟 | Fat-suppressing and food-suppressing device and use method thereof |
| CN110812618A (en) * | 2019-11-14 | 2020-02-21 | 湛江健力源医疗用品有限公司 | Puncture-proof injection needle with elastic sheath |
| CN110812604A (en) * | 2019-11-14 | 2020-02-21 | 湛江健力源医疗用品有限公司 | Fixed needle puncture-proof syringe |
| CN110812604B (en) * | 2019-11-14 | 2020-07-07 | 湛江健力源医疗用品有限公司 | Fixed needle puncture-proof syringe |
| CN110812618B (en) * | 2019-11-14 | 2020-09-08 | 湛江健力源医疗用品有限公司 | Puncture-proof injection needle with elastic sheath |
| WO2021093709A1 (en) * | 2019-11-14 | 2021-05-20 | 湛江健力源医疗用品有限公司 | Stab-preventing injection needle and stab-preventing injector with elastic protective cap |
| CN110848721A (en) * | 2019-11-25 | 2020-02-28 | 衢州佰强新材料科技有限公司 | Fluorine plastic steel low temperature flue gas advanced treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102188763A (en) | Disposable safe transfusion needle | |
| CN203852671U (en) | Single-handed puncture indwelling needle | |
| CN207745138U (en) | Safety-type vein blood taking needle | |
| CN103007385B (en) | Secure type indwelling and shielding cap | |
| CN204709530U (en) | Disposable safe type remaining needle | |
| CN206995555U (en) | A kind of protection device of puncture needle Anti-stabbing | |
| CN204709529U (en) | One-off card button anti-pricking wound type remaining needle | |
| CN202699762U (en) | Puncture-preventing vein indwelling needle | |
| CN104826195A (en) | Novel straight remaining needle | |
| CN204995915U (en) | Single -use safe intravenous infusion needle | |
| CN213347203U (en) | Venous indwelling needle with anti-acupuncture protection device | |
| CN203898846U (en) | Self-destruction type infusion needle | |
| CN204683625U (en) | The disposable vein blood taking needle that a kind of safety is higher | |
| CN202355647U (en) | Safety remaining needle | |
| CN209827770U (en) | Transfusion system with anti-drop self-locking structure | |
| CN209252888U (en) | Blood taking needle | |
| CN207085022U (en) | A kind of venous transfusion with safeguard function and the scalp draw point of blood transfusion | |
| CN205252211U (en) | Safe transfusion needle | |
| CN106390233B (en) | Disposable automatic pop-up medical needle | |
| CN204106726U (en) | A kind of safety type single use venoclysis needle | |
| CN112587754A (en) | Venous indwelling needle capable of preventing needle stick injury and using method thereof | |
| CN217187280U (en) | Infusion puncture head | |
| CN202409691U (en) | Disposable self-locking anti-needling intravenous infusion needle | |
| CN205947795U (en) | Children take negative pressure blood sampling device | |
| CN219721550U (en) | Injection needle with micropore release at end part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110921 |