CN105816189B - Anti- safety of acupuncture blood taking needle - Google Patents
Anti- safety of acupuncture blood taking needle Download PDFInfo
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- CN105816189B CN105816189B CN201510003285.9A CN201510003285A CN105816189B CN 105816189 B CN105816189 B CN 105816189B CN 201510003285 A CN201510003285 A CN 201510003285A CN 105816189 B CN105816189 B CN 105816189B
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- saddle
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- syringe needle
- sleeve
- needle stand
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Abstract
The invention discloses a kind of anti-safety of acupuncture blood taking needles, it includes a needle stand, a needle guard, a sleeve and a syringe needle, needle guard is sheathed on syringe needle, sleeve is connected to needle stand, anti- safety of acupuncture blood taking needle further includes having several saddles and several position-limit mechanisms, needle stand is tubular, and syringe needle, the other end and sleeve connection are fixed and be connected in one end of needle stand；Saddle is the tubular of both ends open, and several saddles are mutually nested, and the saddle positioned at innermost layer is movable to be sheathed on needle stand, and total length of several saddles on activity direction is greater than the length of syringe needle；Position-limit mechanism is set to several saddles and needle stand；Sleeve is for being socketed blood sampling vacuum pipe assembly.It is placed on needle stand by the way that multiple slider layers are arranged, so that the operating position length of anti-safety of acupuncture blood taking needle of the invention is shorter, and is unfolded to improve safety to cover syringe needle after in use and use and alleviate the pain of patient layer by layer by saddle.
Description
Technical field
The present invention relates to a kind of blood taking needle, in particular to a kind of anti-safety of acupuncture blood taking needle.
Background technique
Currently, common disposable blood taking needle is before use, need to needle guard on pinhead sleeve to protect syringe needle, such as prevent
Syringe needle is bent or collides.In use, be easy to causeing pricking hazard when pulling out needle guard, but really dangerous after the completion of blood sampling
In the disposition stage, after extracting out of person of blood collecting body, when carrying out waste disposal, the process cartridge for being either put into profession is still taken
Needle guard is all easy the danger being wounded by stabbing, and causes the serious consequences such as medical staff infection.
For this defect, the technological means that some blood taking needles use retractable needle utilizes bullet after the completion of blood sampling
The isostructural elastic force of spring, syringe needle is retracted in the structures such as the protective case that one is used to protect syringe needle.So, although can have
Effect protection syringe needle, avoids medical worker from being wounded by stabbing, but can be because the mechanical action of needle retractable causes the great pain of patient
It is bitter.
On the other hand, for retractable needle when retracting, since the mechanical structure that can be stretched often has gap, possibility will
Skin, which is clamped, causes bigger pain to patient.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome the blood taking needle of the prior art, there are safety issue and machinery
Movement causes the defect of patient suffering, provides that a kind of safety is more preferable, the lower anti-needle thorn of pain caused by mechanical action is pacified
Whole blood sampling needle.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of anti-safety of acupuncture blood taking needle comprising have a needle stand, a needle guard, a sleeve and a syringe needle, the needle guard set
On the syringe needle, the sleeve is connected to the needle stand, it is characterized in that, the anti-safety of acupuncture blood taking needle further includes having
Several saddles and several position-limit mechanisms, the needle stand are tubular, and one end of the needle stand is fixed and is connected to the syringe needle, the other end
With the sleeve connection；
The saddle is the tubular of both ends open, and several saddles are mutually nested, and the saddle positioned at innermost layer is living
Dynamic is sheathed on the needle stand, and total length of several saddles on activity direction is greater than the length of the syringe needle；
The position-limit mechanism is set to several saddles and the needle stand, for being expanded in several saddle slidings
After the completely obscured syringe needle, the saddle of innermost layer is fixed on the needle stand, and phase between several saddles
It is mutually fixed；
The sleeve is for being socketed blood sampling vacuum pipe assembly.
That is, before use, the stacking of several saddles is sheathed on outside needle stand, the state in retraction, syringe needle at this time
Outside being exposed to, syringe needle can be entangled by needle guard and syringe needle is covered.In use, needle guard is removed, the operation such as transfuse blood is carried out,
After the completion of operation, extract syringe needle during, by the saddle of several tubulars sliding expansion after, by be set to saddle and
The end to end fixation of position-limit mechanism on needle stand, while covering injury of the syringe needle to avoid syringe needle to operator or patient.This
Sample one both ensure that safety when extracting syringe needle, while in turn avoiding syringe needle in the prior art and springing back caused pain suddenly
It is bitter.
In addition, the length (i.e. the length of the components such as needle stand of removing sleeve part) due to blood taking needle operating position is at least answered
This is the length that needle stand adds syringe needle, and to be generally full-length immutable for the length of syringe needle, therefore, the Design of length of needle stand
As the key for determining blood taking needle operating position length.In the present invention, the structure being nested is laminated due to using multiple saddles,
When retracted state (when syringe needle is completely exposed), compared to only with a saddle, multiple slider layer nested structures can significantly drop
The design length of low needle stand.
Sleeve according to specific circumstances, can choose socket for the vacuum tube of blood sampling or for puncturing the straight of vacuum tube
Needle assemblies.
Preferably, the anti-safety of acupuncture blood taking needle includes one first saddle and one second saddle, first saddle
It is movably set in outside the needle stand, second saddle is movably set in outside first saddle.
Preferably, the position-limit mechanism includes one first elastic washer, two the second elastic washers and two third bullets
Property washer；
First elastic washer is attached in the inner circumferential of the one end of first saddle close to the sleeve, and, it is described
The edge of first elastic washer is bonded with the interior walls be smooth of first saddle；
Two the second elastic washer sets, which merge, to be attached on the needle stand, and second elastic washer is used for described
First saddle and second saddle sliding extend to the completely obscured syringe needle or when the syringe needle are completely exposed, with described the
One elastic washer fastens, to limit the movement of first saddle；
The third elastic washer is respectively arranged at the periphery of the described one end of first saddle far from the sleeve and described
Close to the inner circumferential of the sleeve, the third elastic washer is used for sliding in first saddle and second saddle second saddle
It is dynamic to extend to the completely obscured syringe needle or when the syringe needle is completely exposed, be mutually clamped to limit the shifting of second saddle
It is dynamic.
Preferably, the position-limit mechanism includes two spring secures rail to sleepers and four card slots；
Two card slots are set on the needle stand, and a spring secures rail to sleeper is set on first saddle, institute
The card slot there are two being also provided on the periphery of the first saddle is stated, is also equipped with a spring secures rail to sleeper on second saddle,
The spring secures rail to sleeper and the card slot are used to slide into the completely obscured syringe needle in first saddle and second saddle
Or the syringe needle mutually fastens when being completely exposed, to limit the movement of first saddle and second saddle.
Preferably, being additionally provided with a flexible clamp piece on first saddle, the flexible clamp piece is used for sliding described first
Pop-up is when part and second saddle slide into the completely obscured syringe needle to prevent second saddle toward the side of the sleeve
To retroversion.
Herein, it after due to the first saddle and the expansion of the second saddle, needs to guarantee to cover syringe needle and does not expose, mutual
The stability of engaging is directly related to the safety that blood taking needle uses.Therefore it is provided in the periphery of the first saddle and pops up outward
Flexible clamp piece, after the second saddle is expanded to scheduled position along the first saddle, flexible clamp piece pops up outward, if the second saddle
It back slides, then flexible clamp piece can contradict the positions such as the edge of the second saddle, slide it can not back.
Preferably, second saddle is equipped with a smooth protruding portion in one end close to the sleeve.Protruding portion is used
In the crack for preventing skin to be stuck in first saddle Yu second saddle when the syringe needle is inserted into human body.
Herein, it due to being that sliding is nestable between saddle, needle stand, is necessarily deposited between saddle, between saddle and needle stand
In gap.These gaps are easy to clamp the skin of patient in operation, cause the pain of patient.After being provided with protruding portion,
Protruding portion can contradict in operation with patient skin so that skin generate slight depression, so with protruding portion contact site
The skin on periphery is just avoided that be contacted with the engaging portion with apertured first saddle, the second saddle and needle stand, so that skin is not
It is easy to be clamped by gap.
Preferably, being provided with an even surface, the axle center of the even surface and the syringe needle on the side of second saddle
There are 5 °~20 ° of angles between line.
Herein, during the first saddle, the expansion of the second saddle, syringe needle needs to keep the skin close to patient as far as possible,
Therefore, if the first saddle, the second saddle diameter are excessive, it is unable to satisfy requirement.So even surface is set on the second saddle,
Can making the first saddle, the second saddle, syringe needle also can skin-proximal during expansion.
Preferably, the notch is a set distance at a distance from the axial line of the syringe needle.
Preferably, being provided with an at least skid-proof regions on second saddle；
The saddle is made of elastic material, and the saddle and the spring secures rail to sleeper are integrally formed, the needle stand with it is described
Card slot is integrally formed；
The position-limit mechanism further includes having at least receiving part being located on first saddle or the needle stand, described
Receiving part is used for after the card slot engages with the spring secures rail to sleeper, prevents first saddle, second saddle from stretching
Deviate under the action of power.
Herein, receiving part can further prevent saddle, needle stand directly to deviate from, and receiving part can be arbitrary block
Ring shaped retainers, the first saddle and the second saddle are set on one end outer wall of syringe needle in structure, such as needle stand and the first saddle
Two protrusions are arranged in one end close to sleeve on inner sidewall, pass through two protrusions on the first, second saddle inner sidewall after stretching
It is stuck on ring shaped retainers.
The positive effect of the present invention is that: it is placed on needle stand by the way that multiple slider layers are arranged, so that anti-needle of the invention
The operating position length for piercing safe blood-taking needle is shorter, and is unfolded layer by layer by saddle to cover needle after in use and use
Head improves safety and alleviates the pain of patient.
Detailed description of the invention
Fig. 1 is the plan view of the anti-safety of acupuncture blood taking needle of present pre-ferred embodiments upon deployment.
Fig. 2 is plan view of the anti-safety of acupuncture blood taking needle of present pre-ferred embodiments in retraction.
Fig. 3 be Fig. 1 along the sectional view of A-A.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Fig. 1 is the plan view of the anti-safety of acupuncture blood taking needle of the present embodiment upon deployment, and Fig. 2 is that the anti-needle of the present embodiment pierces
Plan view of the safe blood-taking needle in retraction, as shown in Figures 1 to 3, the anti-safety of acupuncture blood taking needle that the present embodiment is related to includes
Needle stand 3, needle guard, sleeve 6 and syringe needle 4, needle guard are sheathed on syringe needle 4, and sleeve 6 is connected to needle stand 3, and needle stand 3 is tubular, needle stand 3
One end fix and be connected to syringe needle 4, the other end is connect with sleeve 6.
The anti-safety of acupuncture blood taking needle that the present embodiment is related to further includes having saddle 1 and saddle 2, and saddle 1 is movably set in needle
Outside seat 3, saddle 2 is movably set in outside saddle 1.
Saddle 1 is mutually nested, both ends open tubular with saddle 2, and the saddle 1 positioned at innermost layer is movable to be sheathed on needle
On seat 3, the total length of saddle 1 and saddle 2 on activity direction is greater than the length of syringe needle 4.Sleeve 6 can be with blood sampling vacuum tube
Component connects, such as is socketed a staight needle by sleeve 6, punctures vacuum tube with staight needle.Or a connection staight needle is connected with sleeve 6
Staight needle is inserted into vacuum tube, vacuum tube can suck blood inside it in operation after syringe needle insertion blood vessel by hose.
Spring secures rail to sleeper 13, spring secures rail to sleeper 21 and card slot 31, card slot 32, card slot 11, card slot 12 are set to as position-limit mechanism
On needle stand 3, saddle 1 and saddle 2, it is used for after saddle 1 and the expansion of saddle 2 or when retracted state, by saddle 1, saddle 2 and needle stand
3 fixations being mutually clamped.
Wherein, card slot 31, card slot 32 are set on needle stand 3, and spring secures rail to sleeper 13 is set on saddle 1, card slot 11, card slot 12
It is set to the periphery of saddle 1, spring secures rail to sleeper 21 is set on saddle 2, spring secures rail to sleeper 13, spring secures rail to sleeper 21 and card slot 31, card slot
32, card slot 11, card slot 12 are for mutual when saddle 1 and saddle 2 slide into completely obscured syringe needle 4 or syringe needle 4 is completely exposed
It fastens, to limit the movement of saddle 1 and saddle 2.
Flexible clamp piece 14 is additionally provided on saddle 1, flexible clamp piece 14 is completely obscured for sliding into saddle 1 and saddle 2
It pops up when syringe needle 4 and is fallen back to prevent limited slip piece 2 toward the direction of sleeve 6.
Saddle 2 is equipped with a smooth protruding portion 22 in one end close to sleeve 6, and protruding portion 22 is used to be inserted into syringe needle 4
Skin is prevented to be stuck in the crack of saddle 1 Yu saddle 2 when human body.
Due to being that sliding is nestable between saddle 1, saddle 2, needle stand 3, between saddle 1 and saddle 2, saddle 1 and needle
Gap is certainly existed between seat 3.These gaps are easy to clamp the skin of patient in operation, cause the pain of patient.If
After being equipped with protruding portion 22, protruding portion 22 can contradict in operation with patient skin, so that skin generates slight depression, so
It is just avoided that with the skin on 22 contact site periphery of protruding portion and is connect with the engaging portion with apertured saddle 1, saddle 2 and needle stand
Touching, so that skin is not easy to be clamped by gap.
Even surface is provided on the side of saddle 2, there are 5 ° of angles between even surface and the axial line of syringe needle 4.
Skid-proof regions are provided on saddle 2.Saddle 1 and saddle 2 are made of elastic material, and saddle 1 and saddle 2 and elastic buckles
Part is integrally formed, and needle stand 3 and card slot 32 are integrally formed；Handle 5 is fixed on one end that needle stand 3 is connect with sleeve 6.
Before use, saddle 1, saddle 2 be laminated be sheathed on outside needle stand, the state in retraction, syringe needle 4 is exposed at this time
Outside, syringe needle 4 can be entangled by needle guard to cover syringe needle.In use, needle guard is removed, the operation such as transfuse blood is carried out, is being made
After the completion of industry, during extracting syringe needle 4, by the saddle 1 of tubular, saddle 2 after sliding expansion, by being set to saddle 1, sliding
The end to end fixation of position-limit mechanism (flexible clamp piece, spring secures rail to sleeper etc.) on part 2 and needle stand, at the same cover syringe needle 4 to avoid
Injury of the syringe needle to operator or patient.So, it both ensure that safety when extracting syringe needle, while in turn avoiding existing skill
Syringe needle springs back caused pain suddenly in art.
In addition, syringe needle 4 needs to keep the skin close to patient as far as possible, therefore, such as during saddle 1, saddle 2 are unfolded
Fruit saddle 1,2 diameter of saddle are excessive, then are unable to satisfy requirement.So even surface is arranged on saddle 2, saddle 1, saddle can be made
2 syringe needle 4 also can skin-proximal during expansion.Needle hub line, which is extended close to, in even surface opens up notch, it can be into one
Step meets the requirement of syringe needle skin-proximal, reduces the pain of patient.
In addition, the protrusion and annular ring structure (not shown) as receiving part are all equipped on saddle 1 and needle stand,
One end outer wall of nearly syringe needle is equipped with ring shaped retainers on needle stand and saddle 1, and one end of saddle 1 and the nearly sleeve of saddle 2 is in inner sidewall
It is upper that there are two protrusions, after stretching by the way that two protrusions are stuck in ring shaped retainers on inner sidewall after, be used in card slot and spring secures rail to sleeper card
After conjunction, anti-limited slip piece 1, saddle 2 are deviate under the action of drawing force.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, for example, not using bullet
Property fastener and card slot as buckle structure, but modes are mutually clamped etc. using elastic washer and fasten saddle on needle stand etc.,
But these change and modification each fall within protection scope of the present invention.
Claims (4)
1. a kind of anti-safety of acupuncture blood taking needle comprising have a needle stand, a needle guard, a sleeve and a syringe needle, the needle guard is arranged
In on the syringe needle, the sleeve is connected to the needle stand, which is characterized in that the anti-safety of acupuncture blood taking needle further include have to
Few two saddles and several position-limit mechanisms, the needle stand are tubular, and the syringe needle is fixed and be connected in one end of the needle stand, another
End and the sleeve connection；
The saddle is the tubular of both ends open, and at least two saddles are mutually nested, and the saddle positioned at innermost layer is living
Dynamic is sheathed on the needle stand, and total length of at least two saddles on activity direction is greater than the length of the syringe needle；
The position-limit mechanism is set at least two saddles and the needle stand, for sliding exhibition at least two saddles
It opens to the completely obscured syringe needle, the saddle of innermost layer is fixed on the needle stand, and at least two cunnings
It is fixed to each other between part；
The sleeve is for being socketed blood sampling vacuum pipe assembly；
At least two saddles include one first saddle and one second saddle, and first saddle is movably set in the needle
Seat is outer, and second saddle is movably set in outside first saddle；
The position-limit mechanism includes two spring secures rail to sleepers and four card slots；
Two card slots are set on the needle stand, and a spring secures rail to sleeper is set on first saddle, and described
It is also provided on the periphery of one saddle there are two the card slot, is also equipped with a spring secures rail to sleeper on second saddle, it is described
Spring secures rail to sleeper and the card slot be used for first saddle and second saddle slide into the completely obscured syringe needle or
The syringe needle mutually fastens when being completely exposed, to limit the movement of first saddle and second saddle；
A flexible clamp piece is additionally provided on first saddle, the flexible clamp piece is used in first saddle and described second
It is popped up when saddle slides into the completely obscured syringe needle to prevent second saddle from falling back toward the direction of the sleeve；
Second saddle is equipped with a smooth protruding portion in one end close to the sleeve.
2. anti-safety of acupuncture blood taking needle as described in claim 1, which is characterized in that the position-limit mechanism includes one first bullet
Property washer, two the second elastic washers and two third elastic washers；
First elastic washer is attached in the inner circumferential of the one end of first saddle close to the sleeve, and, described first
The edge of elastic washer is bonded with the interior walls be smooth of first saddle；
Two the second elastic washer sets, which merge, to be attached on the needle stand, and second elastic washer is used for described first
Saddle and second saddle sliding extend to the completely obscured syringe needle or when the syringe needle are completely exposed, with first bullet
Property washer fastens, to limit the movement of first saddle；
The third elastic washer is respectively arranged at the periphery and described second of the described one end of first saddle far from the sleeve
Close to the inner circumferential of the sleeve, the third elastic washer is used to slide in first saddle and second saddle to be stretched saddle
When exhibition is completely exposed to the completely obscured syringe needle or the syringe needle, it is mutually clamped to limit the movement of second saddle.
3. anti-safety of acupuncture blood taking needle as described in claim 1, which is characterized in that be provided on the side of second saddle
One even surface, there are 5 ° ~ 20 ° of angles between the even surface and the axial line of the syringe needle.
4. anti-safety of acupuncture blood taking needle as claimed in claim 3, which is characterized in that be provided at least one on second saddle
Skid-proof regions；
The saddle is made of elastic material, and the saddle and the spring secures rail to sleeper are integrally formed, the needle stand and the card slot
It is integrally formed；
The position-limit mechanism further includes having at least receiving part being located on first saddle or the needle stand, and the gear connects
Portion is used for after the card slot engages with the spring secures rail to sleeper, prevents first saddle, second saddle in drawing force
The lower abjection of effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003285.9A CN105816189B (en) | 2015-01-04 | 2015-01-04 | Anti- safety of acupuncture blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003285.9A CN105816189B (en) | 2015-01-04 | 2015-01-04 | Anti- safety of acupuncture blood taking needle |
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| Publication Number | Publication Date |
|---|---|
| CN105816189A CN105816189A (en) | 2016-08-03 |
| CN105816189B true CN105816189B (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510003285.9A Active CN105816189B (en) | 2015-01-04 | 2015-01-04 | Anti- safety of acupuncture blood taking needle |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754048A (en) * | 2016-08-16 | 2018-03-06 | 上海金塔医用器材有限公司 | Anti- needling structure and anti-acupuncture venous transfusion puncturing needle |
| CN110226971A (en) * | 2019-07-04 | 2019-09-13 | 苏州中科生物医用材料有限公司 | A kind of operation tool packet for caput femoris necrosis bone grafting |
| CN111481776B (en) * | 2020-05-07 | 2021-03-30 | 普昂(杭州)医疗科技有限公司 | Needle device, and protection structure and protection method thereof |
| CN112890813B (en) * | 2021-02-23 | 2022-12-06 | 河北医科大学第一医院 | Artery blood taking needle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000139879A (en) * | 1998-11-09 | 2000-05-23 | Nissho Corp | Blood collection needle |
| CN103976747A (en) * | 2014-04-11 | 2014-08-13 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| CN103976748A (en) * | 2014-04-11 | 2014-08-13 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| CN204410825U (en) * | 2015-01-04 | 2015-06-24 | 上海金塔医用器材有限公司 | Anti-safety of acupuncture blood taking needle |
-
2015
- 2015-01-04 CN CN201510003285.9A patent/CN105816189B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000139879A (en) * | 1998-11-09 | 2000-05-23 | Nissho Corp | Blood collection needle |
| CN103976747A (en) * | 2014-04-11 | 2014-08-13 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| CN103976748A (en) * | 2014-04-11 | 2014-08-13 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| CN204410825U (en) * | 2015-01-04 | 2015-06-24 | 上海金塔医用器材有限公司 | Anti-safety of acupuncture blood taking needle |
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| Publication number | Publication date |
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| CN105816189A (en) | 2016-08-03 |
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