CN106175796A - A kind of drop-head type head pressing type disposable blood taking device - Google Patents
A kind of drop-head type head pressing type disposable blood taking device Download PDFInfo
- Publication number
- CN106175796A CN106175796A CN201610768204.9A CN201610768204A CN106175796A CN 106175796 A CN106175796 A CN 106175796A CN 201610768204 A CN201610768204 A CN 201610768204A CN 106175796 A CN106175796 A CN 106175796A
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- elastic claw
- closing member
- nook closing
- head
- push away
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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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
-
- 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
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15105—Purely manual piercing, i.e. the user pierces the skin without the assistance of any driving means or driving devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Biophysics (AREA)
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of drop-head type head pressing type disposable blood taking device, including shell, nook closing member, spring and push away and send out a device；It is characterized in that: be provided with shoulder block at elastic claw end, send out on device being provided with block by shoulder block pushing away, it is provided with pad at nook closing member sidepiece correspondence elastic claw end, during pressing hemostix head, push away a device opposite shell to be moved rearwards by, elastic claw is along inclined-plane climbing, inclined-plane forces elastic claw laterally to open simultaneously, after elastic claw is laterally flared to unhook critical point, nook closing member is launched under the action of the spring, after transmitting, nook closing member pad in a free state supports elastic claw end, the shoulder block occupy-place the prevention that force elastic claw push away the block rollback sent out on device, make to push away a device external part opposite shell head and be in indentation state.This programme solves hemostix and uses the most retractable problem of occiput, makes user easily identify the mode of appearance of hemostix head before and after use.
Description
Technical field
The present invention relates to medical blood taking apparatus field, disposable particularly to a kind of head pressing type carrying ejection mechanism
The safe hemostix (or claiming blood taking needle) used.This hemostix uses occiput to have obvious indentation, uses fore head with difference
Mode of appearance.
Background technology
In medical blood taking field, disposable blood taking device is little with its volume, use is safe, easy to operate is cured deeply for characteristic
Protect personnel and patient welcomes, use in a large number in each medical institutions and diabetics at present.This hemostix carries and launches
Mechanism, compact conformation, overall time uses, safe and convenient, therefore has stronger market development potential.
Chinese patent CN2619583Y once announced and authorized one entitled " self-locking type disposable safe automatic blood-taking needle "
Utility model patent.This patent gives a kind of representative traditional block type head pressing type disposable blood taking device.
Its structure comprises shell, end cap, nook closing member, spring, pushes away and send out device and block.In the assembled condition, end cap is provided with a pair elastic claw,
This elastic claw utilize grab and chucking power by nook closing member both sides pick up the ears block；Spring top is pressed between end cap and nook closing member；Work as blood sampling
When device head is depressed, pushes away and send out a device and move rearwardly through inclined-plane and meet two elastic claws head-on and force elastic claw to open, thus draw
Hairpin core breaks off relations and produces shooting under the promotion of spring and punctures.So-called block type refers to that hemostix head uses the structure of block
Form, i.e. block are sleeved on hemostix head, block is stretched out a detection bar and not only can be used to detect nook closing member lock-out state but also can
For protection needle point.
Chinese patent CN205107692U bulletin authorizes one, and entitled " Modified Head pressing type is disposably taken a blood sample
Device " utility model patent.Accompanying drawing 1 to the accompanying drawing 4 of this patent give a kind of representative tradition turn round shape for hat head by
Pressure type disposable blood taking device.Its basic structure and operation principle are similar with above-mentioned Chinese patent CN2619583Y, difference
It is: hemostix head uses the version turning round cap, and during use, torsion cap to be twisted, makes the cervical region between nook closing member and guard bar
Fracture, then pulls out guard bar and turns round cap.
The core texture of above-mentioned two class head pressing type disposable blood taking devices is all ejection mechanism, i.e. by a pair on end cap
Pick up the ears for a pair on elastic claw, nook closing member, spring and push away the formed ejection mechanism that cooperates between the inclined-plane sent out on device.This
Planting ejection mechanism, structure is ripe, distinct characteristics, but from the perspective of user Consumer's Experience, owing to during blood sampling, head is pressed
Complete resilience after pressure, therefore still suffers from some shortcomings: first, the head form before and after None-identified in appearance uses；Second,
After head pressing, completely resilience makes head have reaction force acts in just having adopted the finger of blood, the most significantly pauses, makes
Bad by feel, Consumer's Experience is the best.
The design of this series products in the past is more to pay close attention to blood sampling effect, and now with the most progressive of technology and people
Living standard improve, the theory of this type of product design is: ensure blood sampling effect on the premise of, more pay close attention to user's body
Test, such as, first, use feel；Second, visual experience；3rd user psychology etc..To this end, the most more preferably and effectively solve
The problems referred to above are the problems that the present invention studies.
Summary of the invention
The deficiency existed in view of above prior art, the present invention provides a kind of drop-head type head pressing type disposably to take a blood sample
Device, its purpose is to solve resilience completely after the pressing of above-mentioned hemostix head, it is impossible to before the None-identified that indentation is brought uses
Head appearance form and the problem using feel difference without marked halt.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of drop-head type head pressing type is disposably taken a blood sample
Device, including shell, nook closing member, spring and push away send out a device；
Described shell inner position is provided with at least two elastic claw, and all elastic claws are collectively forming an elastic clip；
Described nook closing member is clamped in elastic clip, and spring top is pressed in nook closing member afterbody and acts on the direction of ejection of nook closing member, elastic
Folder utilizes the grab of each elastic claw end and chucking power that nook closing member card is clamped locking before formation is launched；
A described device head that pushes away stretches out from case nose, pushes away a device health and is slidably connected in shell, pushes away and sends out the corresponding each elasticity of device
Pawl is head-on provided with and forces elastic claw end to the inclined-plane laterally opened；
Its innovation is: described elastic claw end be laterally provided with shoulder block, to being provided with block pushing away to send out on device by shoulder block；Corresponding
Elastic claw end is provided with pad at nook closing member sidepiece, and pad is in the position supporting elastic claw end after nook closing member is launched under free state
Put；
Before transmission under lock-out state, pressing hemostix head push away send out device external part time, push away send out a device opposite shell be moved rearwards by,
Elastic claw is along inclined-plane climbing, and inclined-plane forces elastic claw laterally to open simultaneously, pin after elastic claw is laterally flared to unhook critical point
Core is launched under the action of the spring, and after transmitting, nook closing member pad in a free state supports elastic claw end, forces elastic claw lateral
Shoulder block occupy-place also stops the block rollback pushed away on a device, makes to push away a device external part opposite shell head and is in indentation state.
The relevant content of technique scheme and change interpretation are as follows:
1., in such scheme, described " shell ", " nook closing member ", " spring " and the basic structure of " push away and send out device " and function and effect are equal
For prior art.May refer to the technology contents cited in background of invention.
2., in such scheme, described " inclined-plane " includes plane, cambered surface or the conical surface, but the most all relative to hemostix axis
It is obliquely installed, thus constitutes inclined-plane.In other words, inclined-plane has the inclined-plane of plane form, (inclined-plane is inclining on the inclined-plane of concave form
Be made up of multistage straight line on tilted direction, be upwardly formed concave surface or convex surface in vertical tilt side, but essence or inclined-plane), cone-shaped
The inclined-plane of the inclined-plane of formula and cambered surface form (inclined-plane in an inclined direction by least one section of concave arc or/and convex arc is constituted, but essence is also
It is inclined-plane) four types.Any one is the most applicable in the present invention, specifically can determine according to practical situation.Wherein, first
Kind is the inclined-plane of plane form；The second is the inclined-plane of concave form；The third is the inclined-plane of conical surface form；4th kind is cambered surface
The inclined-plane of form.
3., in such scheme, " front " in described " front end " refers to needle point direction in hemostix.In described " backward "
" afterwards " refer to the opposite direction of " front ".
Drop-head type head pressing type disposable blood taking device the most of the present invention comprises torsion shape for hat and two kinds of structures of block type.I.e. this
Bright disposable blood taking device normal conditions have protective cap, and the version of protective cap can use torsion shape for hat or block type.
This has no effect on and realizes the object of the invention.
Design principle and the design of the present invention be: stretches out to make head pressing type disposable blood taking device use pusher to send out device
End opposite shell head has obvious indentation effect, and the present invention is provided with shoulder block at elastic claw end, sends out on device should pushing away
Shoulder block is provided with block, is provided with pad at nook closing member sidepiece correspondence elastic claw end, during pressing hemostix head, pushes away and send out device opposite shell
Being moved rearwards by, elastic claw is along inclined-plane climbing, and inclined-plane forces elastic claw laterally to open simultaneously, faces when elastic claw is laterally flared to unhook
After boundary's point, nook closing member is launched under the action of the spring, and after transmitting, nook closing member pad in a free state supports elastic claw end, forces elasticity
Shoulder block occupy-place the prevention of pawl push away the block rollback sent out on device, make to push away a device external part opposite shell head and are in indentation state.
Due to the utilization of technique scheme, the present invention compared with prior art has the following advantages and effect:
1. use the complete resilience of occiput owing to the present invention solves hemostix, it is impossible to the problem of indentation, therefore can allow use
Person easily identify before using and use after the mode of appearance of hemostix head, hence it is evident that improve hemostix product and use distinguishing of state
Knowledge and magnanimity.
2. due to hemostix of the present invention use pusher send out device external part will not resilience completely, there is obvious indentation, therefore
In use user can experience pause significantly, and operator can also experience pause significantly, uses good hand touch, user
Experience good.Meet current hemostix product and focus on using the design reason of the Consumer's Experience such as feel, visual experience and user psychology
Read.
3. present configuration is simple, is skillfully constructed, does not increase other structural members, as long as improving original mould i.e.
Can realize, almost without increasing cost, the most compared with prior art there is prominent substantive distinguishing features and significantly progress.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention drop-head type head pressing type disposable blood taking device three-dimensional exploded view；
Fig. 2 is embodiment of the present invention drop-head type head pressing type disposable blood taking device axonometric chart；
Fig. 3 is embodiment of the present invention tail-hood axonometric chart；
Fig. 4 is the partial enlarged drawing in Fig. 3；
Fig. 5 is embodiment of the present invention nook closing member axonometric chart；
Fig. 6 is the partial enlarged drawing in Fig. 5；
Fig. 7 is that the embodiment of the present invention pushes away a device axonometric chart；
Fig. 8 is the partial enlarged drawing in Fig. 7；
Fig. 9 is embodiment of the present invention outward appearance front view；
Figure 10 is the embodiment of the present invention initial confined state sectional view；
Figure 11 is that embodiment of the present invention removal turns round hat shape state sectional view；
Figure 12 is embodiment of the present invention pressing emission state sectional view ()；
Figure 13 is embodiment of the present invention pressing emission state three-dimensional cutaway view (two)；
Figure 14 is embodiment of the present invention pressing emission state three-dimensional cutaway view (three).
Label declaration in the figures above is as follows:
1. shell；2. tail-hood；3. nook closing member；4. spring；5. push away and send out device；6. torsion cap；7. elastic claw；8. inclined-plane；9. grab；10. gear
Shoulder；11. pad；12. pick up the ears；13. breach；14. blocks；15. ennations.Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment: a kind of drop-head type head pressing type disposable blood taking device
As shown in Fig. 1-Figure 12, this disposable blood taking device by shell 1, tail-hood 2, nook closing member 3, spring 4, push away send out device 5 and turn round cap 6 form
(see Fig. 1 and Fig. 2).
(see figure 10) in the assembled condition, tail-hood 2 covers in shell 1 afterbody port, and tail-hood 2 stretches out two in shell 1
The elastic claw 7 being arranged symmetrically with face-to-face, the two elastic claw 7 is collectively forming an elastic clip.Described nook closing member 3 is clamped in elasticity
In folder, spring 4 top is pressed in nook closing member 3 afterbody and acts on the direction of ejection of nook closing member 3, and elastic clip utilizes each elastic claw 7 end
Nook closing member 3 card is clamped locking before formation is launched by grab 9 and chucking power.Described device 5 head that pushes away stretches out from shell 1 front end, pushes away and sends out
Device 5 health is slidably connected in shell 1, pushes away and sends out the corresponding each elastic claw 7 of device 5 and be head-on provided with and force elastic claw 7 end to lateral
The inclined-plane 8 opened.Torsion cap 6 is sleeved on to push away sends out device 5 head, and the protection turned round on cap 6 is enclosed within the guard bar of nook closing member 3 head.
The above content of the present embodiment is prior art, and the innovation of the present invention is: laterally setting of described elastic claw 7 end
Have shoulder block 10(to see Fig. 3 and Fig. 4), to should shoulder block 10 be provided with block 14(on device 5 and see Fig. 7 and Fig. 8 pushing away to send out)；Corresponding elastic claw
7 ends are provided with pad 11(at nook closing member 3 sidepiece and see Fig. 5 and Fig. 6), pad 11 is in support under free state after nook closing member 3 is launched
The position of elastic claw 7 end.
Before transmission under lock-out state, pressing hemostix head push away send out device 5 external part time, push away send out device 5 opposite shell 1 to
Rear movement, elastic claw 7 climbs along inclined-plane 8, and inclined-plane 8 forces elastic claw 7 laterally to open simultaneously, when elastic claw 7 is laterally flared to take off
After hook critical point, nook closing member 3 is launched under spring 4 acts on, and after transmitting, nook closing member 3 pad 11 in a free state supports elastic claw 7 end
End, forces lateral shoulder block 10 occupy-place of elastic claw 7 prevention to push away block 14 rollback sent out on device 5, makes to push away that to send out device 5 external part relative
Shell 1 head is in indentation state.
In the present embodiment, described shoulder block 10 stops block 14 to be perpendicular to elastic claw 7 side with pushing away the acting surface sending out device 5 rollback
To opening formed plane.
In the present embodiment, the sidepiece of described nook closing member 3 is provided with pick up the ears 12, before transmission under lock-out state, each elastic claw 7 end
The grab 9 of end catches on picks up the ears 12, picks up the ears 12 to be axially located pad 11 front at nook closing member 3, and pad 11 is little at nook closing member 3 width radially
In or equal to picking up the ears 12 at nook closing member 3 width radially.Described pad 11 and pick up the ears to be provided with breach 13 between 12, breach 13 is at nook closing member
3 retrogressings are used for accommodating elastic claw 7 end, and stop nook closing member to enter lock-out states before transmitting 3 two times.
In the present embodiment, described in push away send out a device 5 be provided with ennation 15, described block 14 is located on ennation 15.
When the present embodiment uses, course of action is as follows:
(1) initial confined state
As shown in Figure 10, whole hemostix by shell 1, tail-hood 2, nook closing member 3, spring 4, push away send out device 5 and turn round cap 6 constitute, wherein, bullet
Spring 4 is in preloading condition, and nook closing member 3 is in lock-out state before transmitting, and hemostix is provided with torsion cap 6(protective cap).
(2) removal turns round hat shape state
As shown in figure 11, a hands grips hemostix shell 1, and another hands reverses and dials except turning round cap 6.
(3) pressing emission state
As shown in Figure 12, Figure 13 and Figure 14, pushing away of hemostix head is sent out the alignment blood sampling site pressing of device 5 external part, pushes away and send out device 5
Opposite shell 1 is moved rearwards by, and elastic claw 7 climbs along inclined-plane 8, and inclined-plane 8 forces elastic claw 7 laterally to open simultaneously, when elastic claw 7 side
Launching under spring 4 acts on to being flared to nook closing member 3 after unhook critical point, after transmitting, nook closing member 3 pad 11 in a free state supports
Elastic claw 7 end, forces lateral shoulder block 10 occupy-place of elastic claw 7 prevention to push away block 14 rollback sent out on device 5, makes to push away and sends out a device 5
External part opposite shell 1 head is in indentation state.
Other performances and change below for the present invention are explained as follows:
1. although what above example was given is to turn round shape for hat head pressing type disposable blood taking device, but the present invention is not limited to this,
It is also applied for block type head pressing type disposable blood taking device.Torsion cap and block are two kinds of forms of hemostix protective cap, but this
Two kinds of forms are unrelated with the innovative point of the present invention, and this is to skilled artisans appreciate that and cognitive situation.
The most in the embodiment above, two elastic claws 7 elastic clip being collectively forming is all to prolong from tail-hood 2 inner face
The extended structure stretched out.But the present invention is not limited to this, elastic clip directly can be extended by shell 1 and be formed.Such as shell 1 is set
Count into upper and lower two halves to be put together, every casing half extends an elastic claw, when shell latter two elastic claw of two halves split
The elastic clip being collectively forming.At this point it is possible to tail-hood 2 is saved simultaneously, it is merged in the shell of two half moulves.So, in power
Profit requires that extension on tail-hood 2 and tail-hood 2 not being provided with elastic claw structure in 1 is written as essential condition, and this is art technology
Personnel are it will be appreciated that and cognitive situation.
The most in the embodiment above, elastic clip is arranged symmetrically with face-to-face by two elastic claws and is collectively forming.But the present invention
Quantitative aspects at elastic claw is not limited to two, can comprise plural situation, such as three, four, five etc.,
These elastic claws can reach the purpose of the present invention too around arranging around nook closing member, it is achieved identical technique effect.
This is the situation of change that skilled addressee readily understands that.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (5)
1. a drop-head type head pressing type disposable blood taking device, including shell (1), nook closing member (3), spring (4) and push away send out a device
(5)；
Described shell (1) inner position is provided with at least two elastic claw (7), and all elastic claws (7) are collectively forming an elastic clip；
Described nook closing member (3) is clamped in elastic clip, and spring (4) top is pressed in nook closing member (3) afterbody and acts on launching of nook closing member (3)
On direction, elastic clip utilizes the grab (9) of each elastic claw (7) end and chucking power that nook closing member (3) card is clamped lock before formation is launched
Fixed；
Described device (5) head that pushes away stretches out from shell (1) front end, pushes away device (5) health and is slidably connected in shell (1), pushes away and send out
The corresponding each elastic claw of device (5) (7) is head-on provided with and forces elastic claw (7) end to the inclined-plane (8) laterally opened；
It is characterized in that: described elastic claw (7) end be laterally provided with shoulder block (10), to should shoulder block (10) push away send out a device (5)
It is provided with block (14)；Corresponding elastic claw (7) end is provided with pad (11) at nook closing member (3) sidepiece, and pad (11) is sent out at nook closing member (3)
Penetrate and under rear free state, be in the position supporting elastic claw (7) end；
Before transmission under lock-out state, pressing hemostix head push away send out device (5) external part time, push away send out device (5) opposite shell (1)
Being moved rearwards by, elastic claw (7) climbs along inclined-plane (8), and inclined-plane (8) force elastic claw (7) laterally to open simultaneously, when elastic claw (7)
After being laterally flared to unhook critical point, nook closing member (3) is launched under spring (4) acts on, and after transmitting, nook closing member (3) pads in a free state
Platform (11) supports elastic claw (7) end, forces lateral shoulder block (10) occupy-place of elastic claw (7) and stops the gear pushed away on a device (5)
Block (14) rollback, makes to push away device (5) external part opposite shell (1) head and is in indentation state.
Hemostix the most according to claim 1, it is characterised in that: described shoulder block (10) stops block (14) with pushing away a device
(5) acting surface of rollback is perpendicular to elastic claw (7) and laterally opens formed plane.
Hemostix the most according to claim 1, it is characterised in that: the sidepiece of described nook closing member (3) is provided with pick up the ears (12), is sending out
Penetrating under front lock-out state, the grab (9) of each elastic claw (7) end catches on pick up the ears (12), and pick up the ears (12) are axially located at nook closing member (3)
Pad (11) front, pad (11) is less than or equal to, at the width of nook closing member (3) radial direction, (12) width in nook closing member (3) radial direction of picking up the ears
Degree.
Hemostix the most according to claim 3, it is characterised in that: described pad (11) and pick up the ears to be provided with breach between (12)
(13), breach (13) is used for accommodating elastic claw (7) end in nook closing member (3) retreats, and before stoping nook closing member (3) secondary to enter and launch
Lock-out state.
Hemostix the most according to claim 1, it is characterised in that push away a device (5) described in: and be provided with ennation (15), described
Block (14) is located on ennation (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768204.9A CN106175796B (en) | 2016-08-30 | 2016-08-30 | Head-shrinking type head pressing type disposable hemostix |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768204.9A CN106175796B (en) | 2016-08-30 | 2016-08-30 | Head-shrinking type head pressing type disposable hemostix |
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| Publication Number | Publication Date |
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| CN106175796A true CN106175796A (en) | 2016-12-07 |
| CN106175796B CN106175796B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610768204.9A Active CN106175796B (en) | 2016-08-30 | 2016-08-30 | Head-shrinking type head pressing type disposable hemostix |
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| CN107007289A (en) * | 2017-05-25 | 2017-08-04 | 苏州施莱医疗器械有限公司 | Rear pressure type disposable blood taking device with spring correcting structure |
| CN107049335A (en) * | 2017-03-29 | 2017-08-18 | 苏州施莱医疗器械有限公司 | New disposable hemostix |
| CN107157494A (en) * | 2017-05-25 | 2017-09-15 | 苏州施莱医疗器械有限公司 | Press-type disposable blood taking device with spring correcting structure |
| CN111214246A (en) * | 2019-09-26 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking pen and needle seat for blood taking needle |
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| CN107157494A (en) * | 2017-05-25 | 2017-09-15 | 苏州施莱医疗器械有限公司 | Press-type disposable blood taking device with spring correcting structure |
| WO2018214993A1 (en) * | 2017-05-25 | 2018-11-29 | 苏州施莱医疗器械有限公司 | Contact pressure-type disposable blood collection device provided with spring guide structure |
| CN107007289B (en) * | 2017-05-25 | 2019-08-23 | 苏州施莱医疗器械有限公司 | Rear pressure type disposable blood taking device with spring correcting structure |
| CN107157494B (en) * | 2017-05-25 | 2019-08-23 | 苏州施莱医疗器械有限公司 | Press-type disposable blood taking device with spring correcting structure |
| CN111214246A (en) * | 2019-09-26 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking pen and needle seat for blood taking needle |
| CN111214246B (en) * | 2019-09-26 | 2022-09-06 | 天津华鸿科技股份有限公司 | Blood taking pen and needle seat for blood taking needle |
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