CN103977475B - Safe vein pin - Google Patents
Safe vein pin Download PDFInfo
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- CN103977475B CN103977475B CN201410143686.XA CN201410143686A CN103977475B CN 103977475 B CN103977475 B CN 103977475B CN 201410143686 A CN201410143686 A CN 201410143686A CN 103977475 B CN103977475 B CN 103977475B
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- saddle
- needle
- needle stand
- syringe needle
- stand
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Abstract
The invention discloses a kind of safe vein pin, it includes a needle stand, a needle guard, a flexible pipe, a joint and a syringe needle, needle guard is sheathed on syringe needle, the two ends of flexible pipe connect with joint and needle stand respectively, safe vein pin also includes a saddle, leader and a position-limit mechanism, needle stand is tubular, and syringe needle is fixed and connected in one end of needle stand, and the other end is with hose connection；Saddle is the tubular of both ends open and being sheathed on needle stand of activity, and saddle length on activity direction is more than the length of syringe needle；The axial length of needle stand is more than the length of syringe needle；Position-limit mechanism is arranged at saddle and needle stand；Handle fixes with needle stand, and handle is against saddle.Slide to cover syringe needle on needle stand by arranging saddle so that after transfusion, the safety to the process of syringe needle is substantially improved；Because avoiding the use of spring syringe needle, reduce the misery of patient.
Description
Technical field
The present invention relates to a kind of safe vein pin.
Background technology
At present, conventional disposable vein pin before use, needs to needle guard on pinhead sleeve to protect syringe needle,
Syringe needle is such as prevented to be bent or collision etc..During use, when pulling out needle guard, easily cause pricking hazard,
But real danger disposes the stage after transfusion completes, after extracting in by transfusion person's body, carrying out discarded place
When putting, no matter put into process cartridge or the upper needle guard of band, the danger being the most easily wounded by stabbing of specialty, cause
The serious consequences such as medical staff infection.
For this defect, some intravenous needles have employed the technological means of retractable needle, complete in transfusion
After, utilize the isostructural elastic force of spring, syringe needle is retracted to the structures such as a protection set being used for protecting syringe needle
In.So, although can effectively protect syringe needle, it is to avoid medical worker is wounded by stabbing, but but can be because of
Mechanical action for needle retractable causes patient the most painful.
Summary of the invention
The technical problem to be solved in the present invention is to overcome prior art safety aggravation relatively low, easy to suffer from
The defect that person is painful, it is provided that the intravenous needle that a kind of safety is higher, patient suffering is less.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of safe vein pin, it includes a needle stand, a needle guard, a flexible pipe, a joint and a syringe needle,
Described needle guard is sheathed on described syringe needle, and the two ends of described flexible pipe connect with described joint and described needle stand respectively
Logical, its feature is, described safe vein pin also includes a saddle, leader and a position-limit mechanism,
Described needle stand is tubular, and described syringe needle, the other end and described flexible pipe are fixed and connected in one end of described needle stand
Connect；
Described saddle is the tubular of both ends open and being sheathed on described needle stand of activity, and described saddle is being lived
Length on dynamic direction is more than the length of described syringe needle；
The axial length of described needle stand is more than the length of described syringe needle；
Described position-limit mechanism is arranged at described saddle and described needle stand, for sliding into completely at described saddle
After covering described syringe needle, described saddle is fixed on described needle stand；
Described handle fixes with described needle stand, and described handle is against described saddle.Wherein, flexible pipe is doctor
Treat the soft tube as blood transfusion tube etc. that articles for use field is conventional, do not repeat.
It is to say, the intravenous needle of the present invention, needle stand syringe needle to be longer than, so, above-mentioned tubular
Saddle just can slidably reciprocate on needle stand so that syringe needle is being covered by saddle and two states is completely exposed
Between switch.Position-limit mechanism is then used for limiting saddle and moves.
During use, saddle is fixed in needle stand by position-limit mechanism in an initial condition, and (i.e. syringe needle is complete
The state exposed), first take out needle guard, infuse；After having infused, releasing saddle is consolidated with needle stand
Fixed, saddle is slided to the completely obscured syringe needle of saddle to syringe needle direction, now saddle is fixed in again
(position-limit mechanism is passed through) on needle stand.So, pin can be covered owing to need not be put on by needle guard again
Head, safety is greatly promoted.
It addition, fixed handle on needle stand, on the one hand handle can be grasped when operation, on the other hand,
Handle is against firmly saddle so that only need a thumb to push down handle simultaneously and saddle carries out movable operation
So that operate the most existing intravenous needle the most more convenient.
It is also preferred that the left described position-limit mechanism includes one first elastic washer and two the second elastic washers；
Described first elastic washer is attached at described saddle in the inner circumferential of one end of described flexible pipe, and,
The edge of described first elastic washer and the laminating of the interior walls be smooth of described saddle；
Two described second elastic washer set merging are attached on described needle stand, and described second elastic washer is used
In when described saddle slides into completely obscured described syringe needle or described syringe needle is completely exposed, with described first
Elastic washer fastens, to limit the movement of described saddle.
Syringe needle is covered or time described syringe needle is completely exposed it is to say, slide into toward syringe needle direction at saddle,
In order to saddle is fixed with needle stand, as the second elastic washer on the needle stand periphery of position-limit mechanism and saddle
It is fixing that the first elastic washer in inner circumferential fastens.Owing to the first elastic washer is flat with the inwall of saddle
Sliding laminating, the extruding that therefore can more smooth is advanced into the position engaged with the second elastic washer.
It is also preferred that the left described position-limit mechanism includes an elastic fastener and two draw-in grooves；
Said two draw-in groove is arranged on described needle stand, and described elastic fastener is arranged on described saddle, institute
State two draw-in grooves and described elastic fastener for described saddle slide into completely obscured described syringe needle or
When described syringe needle is completely exposed, it is interlocked with described elastic fastener, to limit the movement of described saddle.
It is to say, saddle slides axially along needle stand, when needing to infuse, the elastic buckles on saddle
The draw-in groove of one end of close needle stand fastens part with on needle stand, and syringe needle is completely exposed.After having infused, need
When syringe needle is covered, then saddle is slid into elastic fastener and engages with the draw-in groove of the other end on needle stand, to hide
Cover syringe needle.It addition, elastic fastener described herein, the prior art referred to maintains engaging with elastic force
The fastener of relation, can engagement release relation as long as applying the external force more than elastic force.
It is also preferred that the left described safe vein pin also includes a protection set；
Described needle stand is fixed in described protection set set merging, and described protection set surrounds formation one with described needle stand
For accommodating the cavity of described saddle；
Described handle is integrated to be arranged at described protection and puts.
It is to say, arrange a protection set as connector, the connection to needle stand Yu flexible pipe further
Protect.Handle, by being arranged at protection set, is indirectly fixed with needle stand.
It is also preferred that the left described protection set is fixed near the periphery spiral of one end of described needle stand with described needle stand.
Herein, so arrange so that fixing between protection set and needle stand is more firm.It addition, protection set is also
Saddle can be protected.
It is also preferred that the left be provided with at least one skid-proof regions on described saddle.Herein, being disposed to of skid-proof regions
Finger is allowed to have bigger frictional force when promoting saddle, for example, it is possible at saddle outer wrapping coefficient of friction
Big elastomeric material or region a certain on saddle is set to waveform/pit shape with increase finger to cunning
The contact area of part.
It is also preferred that the left described saddle is made up of elastomeric material, described saddle is one-body molded with described elastic fastener,
Described needle stand is one-body molded with described draw-in groove, and described saddle is provided with some vacancy sections.
When vacancy section being set herein partly in order to make saddle cover syringe needle, still can pass through naked eyes
Observe the position of syringe needle, so that operate more safety；On the other hand, the first elastic card fastener sets
When being set to one-body molded with saddle, then to be that the action of the first elastic card fastener provides movable empty in vacancy section
Between.
The most progressive effect of the present invention is: slide to cover syringe needle on needle stand by arranging saddle,
After making transfusion, the safety to the process of syringe needle is substantially improved；Because avoiding making of spring syringe needle
With, reduce the misery of patient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the safe vein pin of present pre-ferred embodiments.
Fig. 2 is the Fig. 1 sectional view along A-A.
Detailed description of the invention
Further illustrate the present invention below by the mode of embodiment, but the most therefore limit the present invention to
Among described scope of embodiments.Fig. 1 is the structural representation of the safe vein pin of the present embodiment, Fig. 2
For Fig. 1 along the sectional view of A-A, as shown in Fig. 1～2, the safe vein pin that the present embodiment relates to includes
Have: needle stand 1, needle guard 2, flexible pipe 4, joint 12, handle 13, protection set 3, syringe needle 6 and saddle 5,
Needle guard 2 is sheathed on syringe needle 6, and needle stand 1 is the tubular of both ends open, and one end of needle stand 1 is by protection
Set 3 connects with flexible pipe 4, and the other end is provided with syringe needle 6.The two ends of flexible pipe 4 respectively with described joint 12
Connect with needle stand 1.
Saddle 5 is the tubular of both ends open and being sheathed on needle stand 1 of activity, and saddle 5 is at activity direction
On length more than the length of syringe needle 6.
The axial length of needle stand 1 is more than the length of syringe needle 6.
Protection is overlapped 3 set merging and is fixed on needle stand 1, and protection set 3 and needle stand 1 surround formation one and be used for accommodating
The cavity of saddle 5；
Handle 13 is integrated to be arranged on protection set 3.Handle 13 is against saddle 5.
The safe vein pin of the present embodiment also includes a position-limit mechanism, and position-limit mechanism includes elastic fastener 8
With draw-in groove 81, draw-in groove 82.
Draw-in groove 81, draw-in groove 82 are arranged on needle stand 1, and elastic fastener 8 is arranged on saddle 5, draw-in groove
81, draw-in groove 82 and elastic fastener 8 are for sliding into completely obscured syringe needle 6 or syringe needle 6 at saddle 5
When being completely exposed, it is interlocked with elastic fastener 8, to limit the movement of saddle 5.
Needle stand 1 is fixed in protection set 3 set merging.Protection set 3 and needle stand 1 are near one end of flexible pipe 4
Periphery spiral is fixed.
Further, saddle 5 being provided with skid-proof regions 7, skid-proof regions 7 is the grooved of interior band sawtooth pattern
Structure, can be while increasing contact area, more conducively finger push saddle 5.
Saddle 5 is made up of elastomeric material, and saddle 5 is one-body molded with elastic fastener 8, protection set 3 and card
Groove 81 and draw-in groove 82 are one-body molded, and saddle 5 is provided with some vacancy sections (not shown).
The safe vein pin that the present embodiment relates to, needle stand 1 syringe needle to be longer than 6, so, above-mentioned cylinder
The saddle 5 of shape just can slidably reciprocate on needle stand 1 so that syringe needle 6 is being covered and completely by saddle 5
Expose and switch between two states.
During use, saddle passes through draw-in groove 81 and the engaging of elastic fastener 8 in an initial condition, is fixed
In needle stand 1, (state that i.e. syringe needle 6 is completely exposed), first take out needle guard 2, infuse；Infuse
Cheng Hou, releasing saddle 5 is fixing with needle stand 1, slides to saddle 5 complete by saddle 5 to syringe needle 6 direction
Entirely cover the form shown in Fig. 1～2 in syringe needle 6(i.e. the present embodiment accompanying drawing), now saddle 5 again by
It is fixed on needle stand 1 (by elastic fastener 8 and the engaging of draw-in groove 82).So, owing to being not required to
To be put on by needle guard 2 again and can cover syringe needle 6, safety is greatly promoted.
Although the foregoing describing the detailed description of the invention of the present invention, but those skilled in the art should managing
Solving, this is merely illustrative of, and protection scope of the present invention is defined by the appended claims.Ability
The technical staff in territory, can be to these embodiments on the premise of without departing substantially from the principle of the present invention and essence
Make various changes or modifications, such as, do not use elastic fastener and the such buckle structure of draw-in groove, but
Use the modes such as elastic washer is mutually clamped to fasten saddle first-class in needle stand, but these changes and amendment all fall
Enter protection scope of the present invention.
Claims (5)
1. a safe vein pin, it includes a needle stand, a needle guard, a flexible pipe, a joint and
Syringe needle, described needle guard is sheathed on described syringe needle, the two ends of described flexible pipe respectively with described joint and described
Needle stand connects, it is characterised in that it is spacing that described safe vein pin also includes a saddle, leader and one
Mechanism, described needle stand is tubular, and described syringe needle, the other end and institute are fixed and connected in one end of described needle stand
State hose connection；
Described saddle is the tubular of both ends open and being sheathed on described needle stand of activity, and described saddle is being lived
Length on dynamic direction is more than the length of described syringe needle；
The axial length of described needle stand is more than the length of described syringe needle；
Described position-limit mechanism is arranged at described saddle and described needle stand, for sliding into completely at described saddle
After covering described syringe needle, described saddle is fixed on described needle stand；
Described handle fixes with described needle stand, and described handle is against described saddle, described position-limit mechanism bag
Include an elastic fastener and two draw-in grooves；
Said two draw-in groove is arranged on described needle stand, and described elastic fastener is arranged on described saddle, institute
State two draw-in grooves and described elastic fastener for described saddle slide into completely obscured described syringe needle or
When described syringe needle is completely exposed, it is interlocked with described elastic fastener, to limit the movement of described saddle.
2. safe vein pin as claimed in claim 1, it is characterised in that described safe vein pin is also
Include a protection set；
Described needle stand is fixed in described protection set set merging, and described protection set surrounds formation one with described needle stand
For accommodating the cavity of described saddle；
Described handle is integrated to be arranged at described protection and puts.
3. safe vein pin as claimed in claim 2, it is characterised in that described protection is overlapped with described
The periphery spiral of one end that needle stand connects described flexible pipe is fixed.
4. the safe vein pin as according to any one of claims 1 to 3, it is characterised in that described cunning
At least one skid-proof regions it is provided with on part.
5. safe vein pin as claimed in claim 1, it is characterised in that described saddle is by elastic material
Material is made, and described saddle is one-body molded with described elastic fastener, and described needle stand is one-body molded with described draw-in groove,
Some vacancy sections it are provided with on described saddle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143686.XA CN103977475B (en) | 2014-04-11 | 2014-04-11 | Safe vein pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410143686.XA CN103977475B (en) | 2014-04-11 | 2014-04-11 | Safe vein pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103977475A CN103977475A (en) | 2014-08-13 |
| CN103977475B true CN103977475B (en) | 2016-08-17 |
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ID=51269793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410143686.XA Active CN103977475B (en) | 2014-04-11 | 2014-04-11 | Safe vein pin |
Country Status (1)
| Country | Link |
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| CN (1) | CN103977475B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062015A1 (en) * | 2014-10-23 | 2016-04-28 | 上海金塔医用器材有限公司 | Disposable anti-acupuncture venous transfusion needle |
| KR101893804B1 (en) * | 2014-10-24 | 2018-08-31 | 겜티어 메디컬 (상해) 인코퍼레이션 | Disposable anti-acupuncture intravenous infusion puncture needle |
| CN105816936B (en) * | 2015-01-04 | 2022-04-12 | 上海金塔医用器材有限公司 | Anti-acupuncture double-wing vein puncture needle |
| CN106063958B (en) * | 2016-07-20 | 2021-02-02 | 梁启明 | Assembly process of safety intravenous needle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7060053B2 (en) * | 2002-02-28 | 2006-06-13 | Medikit Co., Ltd. | Safety indwelling syringe |
| CN102596288A (en) * | 2009-07-20 | 2012-07-18 | B·布劳恩医药工业有限公司 | Safety needle assembly and methods |
| CN102698339A (en) * | 2012-05-30 | 2012-10-03 | 上海金塔医用器材有限公司 | Disposable injection needle capable of being safely retracted |
| CN203829413U (en) * | 2014-04-11 | 2014-09-17 | 上海金塔医用器材有限公司 | Safe vein needle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0409057A1 (en) * | 1989-07-20 | 1991-01-23 | Rotkreuzstiftung Zentrallaboratorium Blutspendedienst Srk | Device for injection fluid administration or body liquid removal |
| CN200951238Y (en) * | 2005-12-21 | 2007-09-26 | 刘晗 | Disposable and safety transfusion needle |
| CN201235124Y (en) * | 2007-08-23 | 2009-05-13 | 上海顶尖堂生化科技有限公司 | Transfusion and blood transfusion needle with safety self-destroying structure |
-
2014
- 2014-04-11 CN CN201410143686.XA patent/CN103977475B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7060053B2 (en) * | 2002-02-28 | 2006-06-13 | Medikit Co., Ltd. | Safety indwelling syringe |
| CN102596288A (en) * | 2009-07-20 | 2012-07-18 | B·布劳恩医药工业有限公司 | Safety needle assembly and methods |
| CN102698339A (en) * | 2012-05-30 | 2012-10-03 | 上海金塔医用器材有限公司 | Disposable injection needle capable of being safely retracted |
| CN203829413U (en) * | 2014-04-11 | 2014-09-17 | 上海金塔医用器材有限公司 | Safe vein needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103977475A (en) | 2014-08-13 |
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