CN107334478A - A kind of anti-needle-penetrating blood-taking device and assemble method - Google Patents
A kind of anti-needle-penetrating blood-taking device and assemble method Download PDFInfo
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- CN107334478A CN107334478A CN201610283914.2A CN201610283914A CN107334478A CN 107334478 A CN107334478 A CN 107334478A CN 201610283914 A CN201610283914 A CN 201610283914A CN 107334478 A CN107334478 A CN 107334478A
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- needle
- blood
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- guard
- taking
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150541—Breakable protectors, e.g. caps, shields or sleeves, i.e. protectors separated destructively, e.g. by breaking a connecting area
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- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- Dermatology (AREA)
- Finger-Pressure Massage (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of anti-needle-penetrating blood-taking device and assemble method, the blood-taking device includes needle stand, needle guard and needle holder, it is slidably socketed between needle stand and needle guard, blood taking needle is fixedly connected with needle stand head, needle holder is fixed by socket with needle stand, and the first spacing preiection is set on needle stand, and the 3rd spacing preiection and lock are set in needle guard inner chamber, lock one end is fixedly connected with needle guard, and the other end is free end；When needle stand slides into the first spacing preiection relative to needle guard to be fastened between the 3rd spacing preiection and lock, blood taking needle is covered and is limited in needle guard inner chamber.When anti-needle-penetrating blood-taking device assembles, first blood taking needle, needle stand, needle cap are linked into an integrated entity, then needle guard inner chamber is run through by needle stand afterbody, finally needle holder is socketed on needle stand.Present invention eliminates traditional anti-acupuncture to protect covering device, and can effectively eliminate and stab the potential safety hazards such as medical personnel caused by blood taking needle is exposed, has outstanding advantages of more convenient use, safety and reliability.
Description
Technical field
The present invention relates to a kind of blood-taking device, is taken a blood sample more particularly, to a kind of anti-needle-penetrating for carrying anti-acupuncture defencive function
Device and assemble method.
Background technology
Existing blood-taking device in process of production, it is necessary to blood taking needle and anti-acupuncture protective case are fitted together, so as to
After the completion of blood sampling, blood taking needle can be covered by movement anti-acupuncture protective case, prevent blood taking needle because of exposed institute
It is caused to stab the potential safety hazards such as medical personnel.When blood taking needle and anti-acupuncture protective case carry out assembling operation, if behaviour
Make after blood taking needle filled in anti-acupuncture protective case by employee's imprudence, it is difficult to blood taking needle is withdrawn in anti-acupuncture protective case,
So as to greatly affected assembling operation efficiency.If in blood sampling scene, before blood sampling, if medical personnel are not small
Blood taking needle is filled in anti-acupuncture protective case and can not quickly removed by the heart, and a whole set of products can not use, and had a strong impact on and adopted
Blood operating efficiency.
The content of the invention
The technical problem to be solved in the present invention is：A kind of the problem of existing for prior art, there is provided anti-needle-penetrating blood sampling
Device and assemble method, both conveniently carried out blood sampling operation, reduced blood sampling cost, and can be effectively after the completion of blood sampling
Eliminate the potential safety hazard such as stab caused by blood taking needle.
The technical problem to be solved in the present invention is realized using following technical scheme：A kind of anti-needle-penetrating blood-taking device, bag
Needle stand, needle guard and needle holder are included, is slidably socketed between the needle stand and needle guard, blood taking needle is fixedly connected with needle stand head,
The needle holder is fixed by socket with needle stand, and the first spacing preiection is set on needle stand, and setting the 3rd is spacing in needle guard inner chamber
Raised and lock, described lock one end are fixedly connected with needle guard, and the other end is free end；When needle stand is slided relative to needle guard
Move to the first spacing preiection be fastened on the 3rd spacing preiection and lock between when, the blood taking needle is covered and is limited to pin
Cover in inner chamber.
Preferably, in addition to needle cap, needle cap are tightly connected with needle stand and cover blood taking needle.
Preferably, the needle holder neck of U-shaped structure is set in the needle holder inner chamber, the second spacing preiection is set on needle stand,
Connected and fixed between second spacing preiection and needle holder neck.
Preferably, second spacing preiection is right angle projection, and its outside sets arc transition portion.
Preferably, described lock is pyramidal structure lock, and relatively large end therein is fixedly connected with needle guard, relatively
Small end is free end and points to the 3rd spacing preiection.
Preferably, the free end of the lock sets barb, and forming face contacts between the barb and the first spacing preiection.
Preferably, it is integrated molding structure between described lock and needle guard.
A kind of anti-needle-penetrating blood-taking device assemble method, described anti-needle-penetrating blood-taking device include needle stand, needle holder, pin
Set and needle cap and blood taking needle, its assemble method comprise the following steps：
1st step, the blood taking needle is fixedly connected on needle stand head；
2nd step, needle cap is covered into blood taking needle, and be tightly connected with needle stand；
3rd step, the needle stand with blood taking needle and needle cap is run through into needle guard inner chamber, the needle stand and pin by needle stand afterbody
Pivot bush unit structure is formed between set；
4th step, after needle stand afterbody passes through needle guard inner chamber, the needle holder is socketed on needle stand.
Preferably, the maximum outside diameter size of needle cap is more than the maximum inner diameter size of needle guard.
Compared with prior art, the beneficial effects of the invention are as follows：After the completion of blood sampling, by between needle stand and needle guard
Relative to slide, until when the first spacing preiection is fastened between the 3rd spacing preiection and lock, blood taking needle is covered and limited
It is scheduled in needle guard inner chamber, the safety such as medical personnel is stabbed caused by blood taking needle is exposed so as to effectively eliminate
Hidden danger；Simultaneously as the structure of the present invention eliminates traditional anti-acupuncture protection covering device, therefore, assembled
During operation, without individually assembling anti-acupuncture protective case, so as to completely avoid operation employee in an assembling process because not small
Blood taking needle is tucked into the hollow cavity of anti-acupuncture protective case and is difficult to the operation withdrawn in anti-acupuncture protective case by the heart
Puzzlement, makes that the structure of blood-taking device is simpler, and cost is cheaper, also correspondingly simplifies the assembling of blood-taking device
Flow chart, the assembling operation efficiency of blood-taking device is improved, so as to advantageously reduce blood sampling cost；Due to needle holder with
Needle stand is fixed by socket, and can be engaged by needle holder with needle guard during blood sampling, is easy to grip and exerts oneself, and is carried out so as to convenient
Blood sampling operation, it is more convenient the use of blood-taking device, safety and reliability.
Brief description of the drawings
Fig. 1 is a kind of structural map (state before blood sampling) of anti-needle-penetrating blood-taking device of the present invention.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 is a kind of structural map of anti-needle-penetrating blood-taking device of the present invention (state after blood sampling is completed).
Fig. 4 is the partial enlarged drawing at B in Fig. 3.
Marked in figure：1- needle stands, 2- needle holders, 3- needle guards, 4- needle caps, 5- blood taking needles, the spacing preiections of 11- first, 12-
Second spacing preiection, 21- needle holder necks, 31- exhaust holes, 32- locks, 33- barbs, the spacing preiections of 34- the 3rd.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
A kind of anti-needle-penetrating blood-taking device as shown in Figure 1, Figure 3, mainly include needle stand 1, needle holder 2 and needle guard 3
With needle cap 4, it is slidably socketed between described needle stand 1 and needle guard 3, is fixed by socket between the needle holder 2 and needle stand 1,
Blood taking needle 5 is fixedly connected with bonding way on the head of needle stand 1, is tightly connected between needle cap 4 and needle stand 1, and
Needle cap 4 covers blood taking needle 5, both blood taking needle 5 can have been protected not to be contaminated by needle cap 4, can also be in blood sampling operation
It is preceding effectively to prevent from stabbing the security risks such as medical personnel caused by blood taking needle 5.When carrying out blood sampling operation, directly
Twist off needle cap 4, it is ensured that blood taking needle 5 exposes to needle guard 3, and blood sampling operation can be carried out by being punctured using blood taking needle 5.It is described
Needle cap 4 can be directly bonded on needle stand 1, and twisting off needle cap 4 with fast and easy carries out blood sampling operation.
As shown in Figure 2, Figure 4 shows, the first spacing preiection 11 and second being fixedly connected with needle stand 1 is set on needle stand 1
Spacing preiection 12, in the inner chamber of needle holder 2 set U-shaped structure needle holder neck 21, second spacing preiection 12 with
Connected and fixed between needle holder neck 21, to realize being fixed by socket between needle holder 2 and needle stand 1.Described first is spacing
Can be fixedly connected in a manner of integrated molding between raised 11, second spacing preiection 12 and needle stand 1, to ensure
The reliability of connecting portion, and processing cost is lower.3rd spacing preiection 34 and lock are set in the inner chamber of needle guard 3
32,32 one end of the lock are fixedly connected with needle guard 3, and the other end is free end.Described the 3rd spacing preiection 34,
It can be integrated molding structure to latch between 32 one end and needle guard 3, and such structure is simpler, shaping is easier,
And connecting portion is more safe and reliable.
When carrying out blood sampling operation, after removing needle cap 4, because needle holder 2 and needle stand 1 are fixed by socket, pass through needle holder
2 contact with each other cooperation with needle guard 3, can prevent needle guard 3 relative to the over-travel of needle stand 1, while also allow for medical care
The gripping of personnel and firmly puncture procedure, so as to conveniently carry out blood sampling operation, the use of blood-taking device is set to be more convenient, more
Securely and reliably.After the completion of blood sampling, by the relative slip between needle stand 1 and needle guard 3, until the first spacing preiection
11 be fastened on the 3rd spacing preiection 34 and lock 32 between when, blood taking needle 5 is covered and is limited in the inner chamber of needle guard 3,
As shown in Figure 3, Figure 4.Pass through the mutual cooperation between the spacing preiection 11 of lock 32 and first, it can be ensured that blood sampling
Pin 5 can not be dropped out to outside needle guard 3 from the upper end of needle guard 3, pass through the first spacing preiection 11 and the 3rd spacing preiection 34
Between mutual cooperation, it can be ensured that blood taking needle 5 can not be dropped out to outside needle guard 3 from the lower end of needle guard 3, so as to
Effectively eliminate and stab the potential safety hazards such as medical personnel caused by blood taking needle 5 is exposed.
As shown in Figure 2, Figure 4 shows, the first described spacing preiection 11, the second spacing preiection 12, the 3rd spacing preiection 34
It is right angle projection, its cross sectional shape is square；Described lock 32 is latched using pyramidal structure, it is therein relatively
Big end is fixedly connected with needle guard 3, and relatively small end is free end and points to the 3rd spacing preiection 34；Opened on needle guard 3
If exhaust hole 31, the exhaust hole 31 communicates with the inner chamber of needle guard 3, to increase needle stand 1 relative to needle guard 3
Slide smoothness.The lock 32 is located at the one end of exhaust hole 31, and such structure can cause lock 32 to have more
High resistance to compression mechanical strength, while also make the free end of lock 32 that there is bigger elastic free relative to the main part of needle guard 3
Degree, the first spacing preiection 11 can more easily be crossed by being advantageous to 32 free ends of lock, and improve needle stand 1 and needle guard 3
Between the reliability that is fixed, so that it is guaranteed that blood taking needle 5 is located in the inner chamber of needle guard 3, and then improve blood-taking device
Anti- safety of acupuncture reliability.In the free end of lock 32, barb 33, also, the barb 33 and first can be set
Forming face contacts between spacing preiection 11, can so increase the contact surface between the spacing preiection 11 of lock 32 and first
Product, so as to be advantageous to improve the locking reliability between needle stand 1 and needle guard 3.
When assembling production, its assemble method comprises the following steps above-mentioned anti-needle-penetrating blood-taking device：
1st step, the blood taking needle 5 is fixedly connected on the head of needle stand 1.Generally, it is that blood taking needle 5 is adhesively fixed
On the head of needle stand 1, to improve the assembling operation efficiency of blood-taking device.
2nd step, needle cap 4 is covered into blood taking needle 5, and be connected and sealed between needle stand 1 with bonding way.
3rd step, after needle stand 1, blood taking needle 5, needle cap 4 are assembled integrally, it can will carry blood taking needle 5 and needle cap
4 needle stand 1 runs through the inner chamber of needle guard 3 by the afterbody of needle stand 1, makes to form movable sleeve binding between needle stand 1 and needle guard 3
Structure.In order to increase slip smoothness of the needle stand 1 relative to needle guard 3, exhaust hole 31 can be opened up on needle guard 3,
The exhaust hole 31 communicates with the inner chamber of needle guard 3, as shown in Figure 1, Figure 2, Figure 4 shows.Can be with by exhaust hole 31
The gas of discharge needle guard 3 inner chamber in time, effectively prevents from causing the cunning between needle stand 1 and needle guard 3 because of gas compression
It is dynamic to be obstructed.In needle stand 1 relative in the sliding process of needle guard 3, in order to prevent needle stand 1 from excessively slipping into the inner chamber of needle guard 3,
The maximum outside diameter of needle cap 4 can be dimensioned to the maximum inner diameter size more than needle guard 3, as shown in Figure 1.
4th step, after the afterbody of needle stand 1 passes through the inner chamber of needle guard 3, needle holder 2 is socketed on needle stand 1.As Fig. 1,
Shown in Fig. 2, Fig. 3, the second spacing preiection 12 being fixedly connected with needle stand 1 is provided with needle stand 1, in needle holder 2
The needle holder neck 21 of U-shaped structure is set in inner chamber.The needle holder 2 is penetrated from the bottom of needle stand 1, and relative to needle stand
1 upward sliding, until the second spacing preiection 12 connects and fixes with needle holder neck 21, so that needle holder 2 and needle stand 1
Between be fixed by socket.The second described spacing preiection 12 is raised using right angle, and arc transition portion is set on the outside of it,
Such structure design had both been easy to the slip clamping between the second spacing preiection 12 and needle holder neck 21 more smooth, and
And ensure the reliability after connecting and fixing, it is easy to medical personnel to exert oneself puncture procedure, improves the safety of blood sampling operation
Reliability.
The blood-taking device of the present invention protects covering device due to eliminating traditional anti-acupuncture, turns into one kind and carries anti-acupuncture guarantor
The blood-taking device of protective function, structure is simpler, and cost is also cheaper, using also more convenient；Also, entering
During row assembling operation, without anti-acupuncture protective case is individually assembled, assembled so as to avoid operating employee completely
It is difficult to move back in anti-acupuncture protective case because blood taking needle is tucked into the hollow cavity of anti-acupuncture protective case imprudence in journey
Operation puzzlement out, the assembling operation process of blood-taking device is simplified, so as to improve the assembling operation of blood-taking device
Efficiency, advantageously reduce blood sampling cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that
All any modification, equivalent and improvement made within the spirit and principles of the invention etc., should be included in this hair
Within bright protection domain.
Claims (9)
1. a kind of anti-needle-penetrating blood-taking device, including needle stand (1) and needle guard (3), the needle stand (1) and needle guard (3)
Between be slidably socketed, be fixedly connected with blood taking needle (5) on needle stand (1) head, it is characterised in that：Also include needle holder (2),
The needle holder (2) is fixed by socket with needle stand (1), the first spacing preiection (11) is set on needle stand (1), in pin
Cover and the 3rd spacing preiection (34) and lock (32) are set in (3) inner chamber, described lock (32) one end and needle guard (3)
It is fixedly connected, the other end is free end；When needle stand (1) slides into the first spacing preiection (11) relative to needle guard (3)
When being fastened between the 3rd spacing preiection (34) and lock (32), the blood taking needle (5) is covered and is limited to pin
Cover in (3) inner chamber.
A kind of 2. anti-needle-penetrating blood-taking device according to claim 1, it is characterised in that：Also include needle cap (4),
Needle cap (4) is tightly connected with needle stand (1) and covers blood taking needle (5).
A kind of 3. anti-needle-penetrating blood-taking device according to claims 1 or 2, it is characterised in that：The needle holder
(2) the needle holder neck (21) of U-shaped structure is set in inner chamber, the second spacing preiection (12) is set on needle stand (1),
Connected and fixed between second spacing preiection (12) and needle holder neck (21).
A kind of 4. anti-needle-penetrating blood-taking device according to claim 3, it is characterised in that：Second limit convex
It is right angle projection to play (12), and its outside sets arc transition portion.
A kind of 5. anti-needle-penetrating blood-taking device according to claims 1 or 2, it is characterised in that：Described lock
Button (32) is pyramidal structure lock, and relatively large end therein is fixedly connected with needle guard (3), and relatively small end is certainly
By holding and pointing to the 3rd spacing preiection (34).
A kind of 6. anti-needle-penetrating blood-taking device according to claim 5, it is characterised in that：The lock (32)
Free end set barb (33), forming face contacts between the barb (33) and the first spacing preiection (11).
A kind of 7. anti-needle-penetrating blood-taking device according to claim 5, it is characterised in that：Described lock (32)
It is integrated molding structure between needle guard (3).
A kind of 8. anti-needle-penetrating blood-taking device assemble method, it is characterised in that：Described anti-needle-penetrating blood-taking device includes
Needle stand (1), needle holder (2), needle guard (3) and needle cap (4) and blood taking needle (5), its assemble method include as follows
Step：
1st step, the blood taking needle (5) is fixedly connected on needle stand (1) head；
2nd step, needle cap (4) is covered into blood taking needle (5), and be tightly connected with needle stand (1)；
3rd step, will carry blood taking needle (5) and the needle stand (1) of needle cap (4) passes through needle stand (1) afterbody transfixion pin
(3) inner chamber is covered, pivot bush unit structure is formed between the needle stand (1) and needle guard (3)；
4th step, after needle stand (1) afterbody passes through needle guard (3) inner chamber, the needle holder (2) is socketed in needle stand
(1) on.
A kind of 9. anti-needle-penetrating blood-taking device assemble method according to claim 8, it is characterised in that：The pin
The maximum outside diameter size of cap (4) is more than the maximum inner diameter size of needle guard (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283914.2A CN107334478B (en) | 2016-04-29 | 2016-04-29 | Anti-needle-prick blood sampling device and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283914.2A CN107334478B (en) | 2016-04-29 | 2016-04-29 | Anti-needle-prick blood sampling device and assembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107334478A true CN107334478A (en) | 2017-11-10 |
| CN107334478B CN107334478B (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610283914.2A Active CN107334478B (en) | 2016-04-29 | 2016-04-29 | Anti-needle-prick blood sampling device and assembling method |
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Cited By (3)
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| CN107811644A (en) * | 2017-11-20 | 2018-03-20 | 江西丰临医疗科技股份有限公司 | Blood taking needle |
| CN109222998A (en) * | 2018-10-12 | 2019-01-18 | 河南曙光汇知康生物科技股份有限公司 | A kind of safe blood-taking needle without single packing bag |
| CN112345784A (en) * | 2020-10-22 | 2021-02-09 | 烟台海深威软件有限公司 | Sample adding needle, needle withdrawing mechanism used for sample adding needle and needle installing and withdrawing method |
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| CN112345784A (en) * | 2020-10-22 | 2021-02-09 | 烟台海深威软件有限公司 | Sample adding needle, needle withdrawing mechanism used for sample adding needle and needle installing and withdrawing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107334478B (en) | 2020-11-20 |
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