CN107049335A - New disposable hemostix - Google Patents
New disposable hemostix Download PDFInfo
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- CN107049335A CN107049335A CN201710195987.0A CN201710195987A CN107049335A CN 107049335 A CN107049335 A CN 107049335A CN 201710195987 A CN201710195987 A CN 201710195987A CN 107049335 A CN107049335 A CN 107049335A
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- closing member
- spring pins
- nook closing
- plane
- shell
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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
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
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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
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
-
- 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
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
-
- 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
- A61B5/15142—Devices intended for single use, i.e. disposable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Hair Curling (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of new disposable hemostix, including shell, nook closing member, spring and push away hair device, it is characterised in that：Push away hair device afterbody to extend back and be provided with least two Spring pins, Spring pins are provided with grab and the first bending point and the second bending point；Shell is provided with inclined-plane and blocking surface, and all elastic pin is collectively forming elastic clip, and nook closing member is positioned in elastic clip by clip；Hemostix head is pressed when using, hair device is pushed away and is moved rearwards by, Spring pins are met head-on with inclined-plane and blocking surface makes the first bending point laterally outwardly arch upward deformation, when arch upward to grab with snap-latch surface unhook critical point after nook closing member launch puncture under the action of the spring.This programme breaches the mode of operation that original inclined-plane forces elastic clip end to be opened, having founded inclined-plane first forces elastic clip end inwardly to close up, then the pattern outwards arched upward in the middle part of elastic clip under the axial top pressure effect of blocking surface, its effect is the reduction of number of parts, structure is simplified, cost is reduced.
Description
Technical field
The present invention relates to medical blood taking apparatus field, more particularly to a kind of head push type for carrying ejection mechanism is disposable
The safe hemostix used（Or blood taking needle）.The hemostix is simple in construction as disposable product, reliable operation, product
Price is low, with market competition potentiality.
Background technology
In medical blood taking field, disposable blood taking device with its small volume, using safety, it is easy to operate for characteristic deeply cured
Shield personnel and patient welcome, and are largely used in each medical institutions and diabetic at present.This hemostix carries ejection
Mechanism, compact conformation, overall time is used, safe and convenient, therefore with stronger market development potential.
Chinese patent CN2619583Y once announced authorize one it is entitled《Self-locking type disposable safe automatic blood-taking needle》
Utility model patent.The patent gives a kind of representative traditional block type head push type disposable blood taking device.
Its structure by shell, end cap, nook closing member, spring, push away hair six parts of device and block constitute.In the assembled condition, block is sleeved on
Hemostix head, end cap provided with a pair of elastic claws, the elastic claw using 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, when hemostix head is depressed, is pushed away hair device and is moved rearwardly through inclined-plane and meet two head-on
Individual elastic claw simultaneously forces elastic claw to open, and is punctured so as to trigger nook closing member to break off relations and produce shooting under the promotion of spring.
Chinese patent CN205107692U bulletin authorize one it is entitled《Modified Head push type is disposably taken a blood sample
Device》Utility model patent.The accompanying drawing 1 of the patent to accompanying drawing 4 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 will first be twisted torsion cap, be made the neck between nook closing member and guard bar using the structure type for turning round cap when using
Fracture, then pulls out guard bar and turns round cap.
With the development in market, disposable medical hemostix product is varied, but from the point of view of overall development trend, market
Acceptance have turned into completely so that product price is low, simple in construction and reliable operation is is oriented to.Above-mentioned two classes head push type one
Secondary property hemostix is all made up of five to six parts, and comparatively number of parts is more, and structure is relative complex, manufacturing cost compared with
It is high.Therefore how on this basis, amount of parts is reduced, manufacturing cost is reduced, simplifies structure design, product is improved reliable
Property, strengthen the Future Development direction that Consumer's Experience is this kind of product.
The content of the invention
In view of the deficiency that above prior art is present, the present invention provides a kind of new disposable hemostix, its purpose is to
Solve above-mentioned hemostix parts many, complicated, the problem of cost is high.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of new disposable hemostix, including shell,
Nook closing member, spring and push away hair device.
Before transmission under confined state, nook closing member is positioned in shell by clip, and spring top is pressed on nook closing member, the elasticity of spring
Power is acted on the direction of ejection of nook closing member, is pushed away hair device head and is stretched out from case nose, is pushed away hair device body and is slidably connected in shell.
Its innovation is：The hair device afterbody that pushes away extends back and is provided with least two Spring pins, and Spring pins are bullet
Property cantilever design, the end of cantilever is effect end；The Spring pins are provided with the grab for being used for locking nook closing member；The elasticity is drawn
Pin is separated by provided with the first bending point and the second bending point along its length direction, and the first bending point and the second bending point are bendings
When Spring pins on occur stress concentration fatigue point；On the basis of acting on end, second bending point to the distance for acting on end
More than the first bending point to the distance for acting on end；The grab is located near the first bending point on Spring pins length direction.
The effect end of the correspondence Spring pins is provided with inclined-plane in shell, and the inclined-plane is provided with blocking surface；The inclined-plane
Incline direction when meeting Spring pins effect end head-on, effect end can be forced to one section of Spring pins of the first bending point to institute
State the center curvature of hemostix cross section.
The correspondence grab is provided with snap-latch surface on nook closing member, and the snap-latch surface coordinates with grab to be used for locking nook closing member.
Before transmission under confined state, all elastic pin is collectively forming an elastic clip, and the nook closing member is positioned by clip
In elastic clip, wherein, the snap-latch surface on the grab and nook closing member on Spring pins coordinates, and is in the lock state nook closing member；It is described
Spring pins are arranged in inclined-plane front portion, wherein, the effect end of Spring pins, which is headed on, to be arranged in front of inclined-plane.
In a state of use, when push away hair device head it is depressed when, push away hair device opposite shell and be moved rearwards by, it is oblique in shell
Face correspondence meets the effect end of respective Spring pins head-on and forces all elastic pin effect end to one section of the first bending point to institute
The center curvature of hemostix cross section is stated, while the effect end of Spring pins slides onto along inclined-plane and is obstructed after blocking surface, is now hindered
Block face produces top pressure effect to Spring pins, finally forces all elastic pin to be bent at the first bending point and the second bending point
Or bending, the first bending point of Spring pins is laterally outwardly arched upward deformation, when all elastic pin arches upward to grab with engaging
Nook closing member launches puncture under the action of the spring after emaciated face hook critical point.
The relevant content and change interpretation of above-mentioned technical proposal are as follows：
1. in such scheme, " shell ", " nook closing member ", " spring " and " pushing away hair device " are head push type disposable blood taking devices
Basic structure, its basic function and effect are prior art, may refer to the technology contents cited in background of invention.
2. in such scheme, " preceding " in " front end ", " front portion " and " front " refers to needle point meaning side in hemostix
To." rear " in " backward " refers to the opposite direction of " preceding "." the pushing away hair device head " refers to push away hair device end facing forward, and
" the pushing away hair device afterbody " refers to push away the end of hair device backwards.
3. in such scheme, " inclined-plane " includes plane, cambered surface or the conical surface, however, how with respect to hemostix axis
It is obliquely installed, so as to constitute inclined-plane.In other words, inclined-plane has the inclined-plane of the inclined-plane of plane form, concave form（Inclining on inclined-plane
It is made up of on tilted direction multistage straight line, concave surface or convex surface, but essence or inclined-plane is upwardly formed in vertical tilt side）, cone-shaped
The inclined-plane of formula and the inclined-plane of cambered surface form（Inclined-plane is in an inclined direction made up of at least one section concave arc or/and convex arc, but essence is also
It is inclined-plane）Four types.It is any in the present invention applicable, it can specifically be determined according to actual conditions.Wherein, first
Kind is the inclined-plane of plane form；It is for second 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.
4. push type disposable blood taking device in head of the present invention includes torsion two kinds of structures of shape for hat and block type.I.e. the present invention once
Property hemostix normal conditions have a protective cap, and the structure type of protective cap can be using turning round shape for hat or block type.This is not
The object of the invention is realized in influence.
The present invention design principle and design be：In order to simplify structure, cost is reduced, the present invention is on the basis of prior art
On made it is following some change：First, original shell and end cap are merged into a single whole, shell and end cap two that will be original
Part component is merged into a component；Second, the elastic clip on shell or end cap will be located at originally（For locking nook closing member）Change and set
Pushing away hair device afterbody；3rd, it will originally be located at and push away the inclined-plane on hair device and change and be located on shell；4th, set on the inclined-plane after improvement
There is blocking surface, wherein, blocking surface plays top pressure to elastic clip end；5th, force elastic clip end outside on original inclined-plane
Side opens to realize that nook closing member is unlocked, and makes inclined-plane into and forces elastic clip end first to close up to inner side, then in the axial direction of blocking surface
Arched upward in the middle part of the lower elastic clip of top pressure effect, so as to realize that nook closing member is unlocked.
Due to the utilization of above-mentioned technical proposal, the present invention has advantages below and effect compared with prior art：
1. the present invention except spring and in addition to, as long as shell, nook closing member and pushing away hair three structural members of device, and these three structural members compare
Easily by mold injection molding, a structural member is at least saved compared with prior art.From the point of view of angle is produced in enormous quantities, both
Structure is simplified, manufacturing cost can be further reduced again.
Forced elastic claw end to be opened laterally using inclined-plane to realize the mould of nook closing member unblock originally 2. the present invention is breached
Formula, and founded using inclined-plane force elastic clip end first close up to inner side, then blocking surface axial top pressure effect under bullet
Property folder middle part arch up realize nook closing member unblock pattern.Just because of this innovation allow elastic clip change be located at push away hair device on,
It so that the internal structure of shell is greatly simplified, can be realized using integrated injection molding, be not required to use split splicing construction
To realize.
3. there is essential distinction on the inclined-plane in the present invention with inclined-plane of the prior art：First, inclined-plane is equal in the prior art
It is located at and pushes away on hair device, and inclined-plane is located on shell in the present invention；Second, there is no blocking surface on inclined-plane in the prior art, and this hair
Bright middle inclined-plane is provided with blocking surface；3rd, in the prior art the incline direction on inclined-plane force elastic clip to be flared out, it is and of the invention
The incline direction on middle inclined-plane forces elastic clip end inwardly to close up, then under the axial top pressure effect of blocking surface in the middle part of elastic clip
Outwards arch upward, nook closing member after being expanded to grab with snap-latch surface unhook critical point that outwards arched upward in the middle part of elastic clip is sent out under the action of the spring
It is shot through thorn.
4. the present invention reasonably make use of elastic clip end inwardly to close up under ramp effect, then in the axial direction of blocking surface
Outwards arched up in the middle part of the lower elastic clip of top pressure effect and realize that nook closing member is unlocked, its technical concept is ingenious, reliable operation, feel during operation
Lightly, broken in conventional conventional, prior art, inclined-plane forces the mode of operation that elastic clip end is opened, founded inclined-plane and first compeled
Elastic clip end is set inwardly to close up, the pattern then outwards arched upward in the middle part of elastic clip under the axial top pressure effect of blocking surface（See
Figure 18, Figure 19 and Figure 20）, therefore with prominent substantive distinguishing features and significant progress.
Brief description of the drawings
Fig. 1 is the stereogram of the embodiment of the present invention 1；
Fig. 2 is the three-dimensional exploded view of the embodiment of the present invention 1；
Fig. 3 is the nook closing member of the embodiment of the present invention 1 and turns round cap the first view stereo figure；
Fig. 4 is the nook closing member of the embodiment of the present invention 1 and turns round cap the second view stereo figure；
Fig. 5 is that the embodiment of the present invention 1 pushes away hair device the first view stereo figure；
Fig. 6 is that the embodiment of the present invention 1 pushes away hair device the second view stereo figure；
Fig. 7 is shell the first view stereo figure of the embodiment of the present invention 1；
Fig. 8 is shell the second view stereo figure of the embodiment of the present invention 1；
Fig. 9 is the shell partial cutaway stereogram of the embodiment of the present invention 1；
Figure 10 is the initial confined state sectional view of the embodiment of the present invention 1；
Figure 11 is the partial cutaway stereogram of Figure 10 states；
Figure 12 is the partial sectional view of Figure 10 states；
Figure 13 pushes away hair device state sectional view for pressing after the removal needle cap of the embodiment of the present invention 1；
Figure 14 is the partial cutaway stereogram of Figure 13 states；
Figure 15 is the partial sectional view of Figure 13 states；
Figure 16 is the nook closing member unhook state sectional view of the embodiment of the present invention 1；
Figure 17 is state sectional view after the embodiment of the present invention 1 is launched；
Figure 18 is nook closing member unhook schematic diagram A of the present invention；
Figure 19 is nook closing member unhook schematic diagram B of the present invention；
Figure 20 is nook closing member unhook schematic diagram C of the present invention；
Figure 21 is the stereogram of the embodiment of the present invention 2；
Figure 22 is the three-dimensional exploded view of the embodiment of the present invention 2；
Figure 23 is the initial confined state sectional view of the embodiment of the present invention 2；
Figure 24 is that the embodiment of the present invention 2 adjusts header structure three-dimensional exploded view.
Label declaration in the figures above is as follows：
1. shell；2. nook closing member；3. spring；4. push away hair device；5. Spring pins；6. grab；7. the first bending point；8. snap-latch surface；9.
Second bending point；10. inclined-plane；11. turn round cap；12. hook；13. shoulder block；14. inner face；15. adjust head；16. blocking surface；17.
Act on end；S. offset or dish.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1：A kind of new disposable hemostix（Turn round shape for hat head push type disposable blood taking device）
As shown in Fig. 1-Figure 12, the disposable blood taking device by shell 1, turn round cap 11, nook closing member 2, spring 3 and push away hair device 4 constitute（See figure
1 and Fig. 2）.Wherein, nook closing member 2 and torsion cap 11 are integrated injection molding structure（See Fig. 3 and Fig. 4）, a part can be can be regarded as.
Before transmission under confined state（See Figure 10）, nook closing member 2 is positioned in shell 1 by clip, and the top pressure of spring 3 is in nook closing member 2
On, the resilient force of spring 3 is on the direction of ejection of nook closing member 2, and nook closing member 2 is anterior provided with integrally formed torsion cap 11, pushes away hair device 4
Head is stretched out from the front end of shell 1, pushes away the hair body of device 4 and is slidably connected in shell 1.
The present embodiment above content is prior art, and innovation of the invention is：The hair afterbody of device 4 that pushes away extends back
It is provided with four Spring pins 5（See Fig. 5 and Fig. 6）, Spring pins 5 are elastic cantilever structure, and the end of cantilever is effect end 17.
In four Spring pins 5, the root of Spring pins 5 is conjoined structure two-by-two, be equipped with the medial surface of Spring pins 5 for
Lock the grab 6 of nook closing member 2.In the present embodiment, two Spring pins 5 share a grab 6（See Fig. 5 and Fig. 6）.The elasticity
Pin 5 is separated by provided with the first bending point 7 and the second bending point 9, the first bending point 7 and the second bending point 9 along its length direction
Easily occurs the fatigue point of stress concentration when being bending on Spring pins 5.On the basis of acting on end 17, second bending point
9 distance to effect end 17 is more than the first bending point 7 to the distance at effect end 17.The grab 6 is in Spring pins（5）Length side
It is located at upwards near the first bending point 7.In the present embodiment, grab 6 is located at the 7 and second of the first bending between bending point 9, and
On the position of the first bending point 7（See Figure 18, Figure 19 and Figure 20）.
The effect end 17 of the correspondence Spring pins 5 is provided with inclined-plane 10 in shell 1（See Fig. 7, Fig. 9 and Figure 10）, this is oblique
Face 10 is provided with blocking surface 16.The incline direction on the inclined-plane 10 can force effect when meeting the effect end 17 of Spring pins 5 head-on
One section of Spring pins 5 of 17 to the first bending points 7 are held to the center curvature of the hemostix cross section（See Figure 18, Figure 19 and figure
20）.In fig. 20, S represents the offset or dish between Spring pins 5 and blocking surface 16, offset or dish size, the cross sectional form,
The elasticity effect axial push feel of cross-sectional area size and material.
The correspondence grab 6 is provided with snap-latch surface 8 on nook closing member 2（See Fig. 3 and Fig. 4）, the snap-latch surface 8 is matched somebody with somebody with grab 6 to be shared
To lock nook closing member 2（See Figure 10）.
Hair device 4 sidepiece that pushes away is provided with hook 12 and shoulder block 13（See Fig. 5 and Fig. 6）, to should link up with 12 and shoulder block 13 exist
The inwall of shell 1 is provided with inner face 14（See Figure 10）, before transmission under confined state, push away the hook 12 and inner face on hair device 4
14 cooperatively form first spacing, are moved forward with preventing to push away the hair opposite shell 1 of device 4.
Action process is as follows when the present embodiment is used：
（1）Initial confined state
As shown in Figure 10, Figure 11 and Figure 12, whole hemostix by shell 1, turn round cap 11, nook closing member 2, spring 3 and push away hair device 4 constitute,
Wherein, spring 3 is in preloading condition, and before transmission under confined state, all elastic pin 5 is collectively forming an elastic clip, institute
Nook closing member 2 is stated to be positioned in elastic clip by clip, wherein, the grab 6 on Spring pins 5 coordinates with the snap-latch surface 8 on nook closing member 2, makes
Nook closing member 2 is in the lock state.The Spring pins 5 are arranged in the front portion of inclined-plane 10, wherein, the effect end 17 of Spring pins 5 is headed on
It is arranged on the front of inclined-plane 10.Push away hook 12 and inner face 14 on hair device 4 and cooperatively form first spacing, the phase of device 4 is sent out to prevent to push away
Shell 1 is moved forward.
（2）Pressing pushes away hair device state after removal needle cap
As shown in Figure 13, Figure 14 and Figure 15, a hand grips hemostix shell 1, and another hand is reversed and dialled except torsion cap 11.Connect
, hand-held housing 1 presses hemostix head alignment blood sampling site, when push away hair device 4 head it is depressed when, push away hair device 5 relative
Shell 1 is moved rearwards by.
（3）Nook closing member unhook state
As shown in Figure 16, Figure 18, Figure 19 and Figure 20, held with hair device 5 is pushed away after being moved rearwards by, the correspondence of inclined-plane 10 in shell 1 is met
Hit the effect end 17 of respective Spring pins 5 and force one section of all elastic pin 5 effect bending point of end 17 to the first 7 to described
The center curvature of hemostix cross section, while the effect end 17 of Spring pins 5 is obstructed after sliding onto blocking surface 16 along inclined-plane 10, this
When blocking surface 16 to Spring pins 5 produce top pressure effect, finally force all elastic pin 5 curved in the first bending point 7 and second
Bending or bending at song point 9（See Figure 18, Figure 19 and Figure 20）, the first bending point 7 of Spring pins 5 is laterally outwardly arched upward change
Shape, nook closing member 2 is issued in the effect of spring 3 after all elastic pin 5 arches upward to grab 6 and 8 unhook critical point of snap-latch surface is shot through thorn.
（4）State after transmitting
As shown in figure 17, nook closing member 2 is in puncture state, then in retraction shell 1.Push away the shoulder block 13 and inner face 14 on hair device 4
Cooperatively form second spacing, retracted with preventing to push away the hair opposite shell 1 of device 4, make to push away the head of 4 head opposite shell of hair device 1 be in it is flat
Neat or indentation state.
Embodiment 2：A kind of band adjusts the new disposable hemostix of header structure（Carry the torsion shape for hat head pressing of regulation head
Formula disposable blood taking device）
As shown in Figure 21-Figure 24, the hemostix by shell 1, adjust it is first 15, turn round cap 11, nook closing member 2, spring 3 and push away hair device 4 and constitute
（See Figure 21 and Figure 22）.
The present embodiment and the difference of embodiment 1 are：The head of shell 1, which is provided with, can change first 15 knot of regulation of paracentesis depth
Structure.And the regulation first 15 that can change paracentesis depth can use prior art, such as using Application No.
201610158481.8, publication No. is CN105816188A, entitled《The disposable depth-adjustable needle insertion safety blood taking of modified
Pin》Chinese patent application disclosed in structure, or use Patent No. 201620212700.1, Authorization Notice No. is
CN205586011U, it is entitled《Improved disposable safety blood taking needle capable of adjusting puncture depth》Chinese patent disclosed in knot
Structure, is not described in detail herein.
Other contents are same as Example 1, and description is not repeated herein.
Other performances and change below for the present invention are explained as follows：
1. what although above example 1 provided is to turn round shape for hat head push type disposable blood taking device, the present invention is not limited to this,
It is also applied for block type head push 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 skilled artisans appreciate that and cognitive situation.
2. in above example 1, it is described push away the hair afterbody of device 4 and extend back be provided with four Spring pins 5（See Fig. 5 and
Fig. 6）.But the present invention is not limited to this, substantially elastic clip of the invention should be made up of at least two Spring pins 5.So from
Can be two, three, four, five, six etc. from the point of view of in the quantity of Spring pins 5.This is that those skilled in the art can
Understand and cognitive situation.
3. in above example 1, the root of Spring pins 5 is conjoined structure two-by-two, and two Spring pins 5 are shared
One grab 6（See Fig. 5 and Fig. 6）.But the present invention is not limited to this, Spring pins 5 of the present invention can root disjunctor two-by-two, also may be used
With separate between a Spring pins 5 and another Spring pins 5, the grab 6 positioned at the same side of nook closing member 2 can be shared,
Can also be discrete.This does not influence the implementation of the present invention.This be skilled addressee readily understands that situation of change.
4. in above example 1, contrasted from Figure 13 and Figure 16, or from the point of view of Figure 18 and Figure 20 contrasts, the elasticity
Pin 5 is straight-arm shape elastic cantilever structure.But the present invention is not limited to this, the Spring pins 5 can also be crank arm type elasticity
Cantilever design, or folding arm shape elastic cantilever structure.This be those skilled in the art on the basis of embodiment 1 it will be appreciated that and
Cognitive situation.
5. in above example 1, spring 3 is an independent hardware, spring 3 can also be designed as into plastics bullet
Spring, and made integrally with nook closing member 2.Skilled addressee readily understands that such situation of change.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (9)
1. a kind of new disposable hemostix, including shell（1）, nook closing member（2）, spring（3）And push away hair device（4）；
Before transmission under confined state, nook closing member（2）Shell is positioned at by clip（1）It is interior, spring（3）Top pressure is in nook closing member（2）On, bullet
Spring（3）Resilient force in nook closing member（2）Direction of ejection on, push away hair device（4）Head is from shell（1）Front end is stretched out, and pushes away hair device
（4）Body is slidably connected at shell（1）In；
It is characterized in that：It is described to push away hair device（4）Afterbody, which extends back, is provided with least two Spring pins（5）, Spring pins（5）
For elastic cantilever structure, the end of cantilever is effect end（17）；The Spring pins（5）It is provided with and is used for locking nook closing member（2）'s
Grab（6）；The Spring pins（5）It is separated by along its length direction provided with the first bending point（7）With the second bending point（9）, the
One bending point（7）With the second bending point（9）Spring pins when being bending（5）The upper fatigue point for occurring stress concentration；To act on
End（17）On the basis of, second bending point（9）To effect end（17）Distance be more than the first bending point（7）To effect end（17）
Distance；The grab（6）In Spring pins（5）It is located at the first bending point on length direction（7）Near；
The correspondence Spring pins（5）Effect end（17）In shell（1）It is interior to be provided with inclined-plane（10）, the inclined-plane（10）Provided with resistance
Block face（16）；The inclined-plane（10）Incline direction meeting Spring pins head-on（5）Act on end（17）When, effect end can be forced
（17）To the first bending point（7）One section of Spring pins（5）To the center curvature of the hemostix cross section；
The correspondence grab（6）In nook closing member（2）It is provided with snap-latch surface（8）, the snap-latch surface（8）With grab（6）Coordinate and be used for locking
Nook closing member（2）；
Before transmission under confined state, all elastic pin（5）It is collectively forming an elastic clip, the nook closing member（2）Determined by clip
Position in elastic clip, wherein, Spring pins（5）On grab（6）With nook closing member（2）On snap-latch surface（8）Coordinate, make nook closing member（2）
It is in the lock state；The Spring pins（5）It is arranged in inclined-plane（10）Front portion, wherein, Spring pins（5）Effect end（17）Meet
Face is arranged on inclined-plane（10）Front；
In a state of use, when pushing away hair device（4）When head is depressed, hair device is pushed away（5）Opposite shell（1）It is moved rearwards by, shell
（1）Interior inclined-plane（10）Correspondence meets respective Spring pins head-on（5）Effect end（17）And force all elastic pin（5）Act on end
（17）To the first bending point（7）One section of center curvature to the hemostix cross section, while Spring pins（5）Effect end
（17）Along inclined-plane（10）Slide onto blocking surface（16）After be obstructed, now blocking surface（16）To Spring pins（5）Top pressure effect is produced,
Finally force all elastic pin（5）In the first bending point（7）With the second bending point（9）Place's bending or bending, make Spring pins
（5）The first bending point（7）Laterally outwardly arch upward deformation, when all elastic pin（5）Arch upward to grab（6）With snap-latch surface（8）
Nook closing member after unhook critical point（2）In spring（3）Effect, which is issued, is shot through thorn.
2. hemostix according to claim 1, it is characterised in that：It is described to be used for locking nook closing member（2）Grab（6）It is located at bullet
Property pin（5）Medial surface on.
3. hemostix according to claim 1, it is characterised in that：The Spring pins（5）For straight-arm shape elastic cantilever knot
Structure.
4. hemostix according to claim 1, it is characterised in that：The Spring pins（5）For crank arm type elastic cantilever knot
Structure.
5. hemostix according to claim 1, it is characterised in that：The Spring pins（5）For folding arm shape elastic cantilever knot
Structure.
6. hemostix according to claim 1, it is characterised in that：It is described to push away hair device（4）Sidepiece is provided with hook（12）And gear
Shoulder（13）, to that should link up with（12）And shoulder block（13）In shell（1）Inwall is provided with inner face（14）, confined state before transmission
Under, push away hair device（4）On hook（12）With inner face（14）Cooperatively form it is first spacing, to prevent to push away hair device（4）Opposite shell
（1）Move forward；After transmitting under state, hair device is pushed away（4）On shoulder block（13）With inner face（14）Cooperatively form it is second spacing,
To prevent to push away hair device（4）Opposite shell（1）Retract, make to push away hair device（4）Head opposite shell（1）Head is in concordant or retraction shape
State.
7. hemostix according to claim 1, it is characterised in that：The nook closing member（2）Front portion is provided with torsion cap（11）, with this structure
Into torsion shape for hat head push type disposable blood taking device.
8. hemostix according to claim 1, it is characterised in that：The nook closing member（2）Front portion is provided with block, and lid is constituted with this
Shape for hat head push type disposable blood taking device.
9. hemostix according to claim 1, it is characterised in that：The shell（1）Head is deep provided with that can change puncture
The regulation head of degree（15）Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195987.0A CN107049335B (en) | 2017-03-29 | 2017-03-29 | Disposable hemostix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195987.0A CN107049335B (en) | 2017-03-29 | 2017-03-29 | Disposable hemostix |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107049335A true CN107049335A (en) | 2017-08-18 |
| CN107049335B CN107049335B (en) | 2023-08-22 |
Family
ID=59620558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710195987.0A Active CN107049335B (en) | 2017-03-29 | 2017-03-29 | Disposable hemostix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107049335B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108186029A (en) * | 2018-02-24 | 2018-06-22 | 苏州施莱医疗器械有限公司 | Tail portion push type disposable safe hemostix |
| CN115040125A (en) * | 2022-06-22 | 2022-09-13 | 苏州施莱医疗器械有限公司 | Tail pressing type hemostix locked by process spring plate |
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| CN102599919A (en) * | 2012-04-11 | 2012-07-25 | 苏州乔阳医学科技有限公司 | Disposable safe blood taking needle |
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| CN115040125A (en) * | 2022-06-22 | 2022-09-13 | 苏州施莱医疗器械有限公司 | Tail pressing type hemostix locked by process spring plate |
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| Publication number | Publication date |
|---|---|
| CN107049335B (en) | 2023-08-22 |
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