CN107007289A - Rear pressure type disposable blood taking device with spring correcting structure - Google Patents
Rear pressure type disposable blood taking device with spring correcting structure Download PDFInfo
- Publication number
- CN107007289A CN107007289A CN201710376735.8A CN201710376735A CN107007289A CN 107007289 A CN107007289 A CN 107007289A CN 201710376735 A CN201710376735 A CN 201710376735A CN 107007289 A CN107007289 A CN 107007289A
- Authority
- CN
- China
- Prior art keywords
- spring
- closing member
- correcting
- nook closing
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
-
- 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
- A61B5/150175—Adjustment of penetration depth
- A61B5/15019—Depth adjustment mechanism using movable stops located inside the piercing device housing and limiting the travel of the drive mechanism
-
- 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
- A61B5/15109—Fully automatically triggered, i.e. the triggering does not require a deliberate action by the user, e.g. by contact with the patient's skin
-
- 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
- A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of rear pressure type disposable blood taking device with spring correcting structure, including shell, nook closing member, spring and tail-hood；It is characterized in that：Correcting structure is provided with spring outwards, correcting structure is fixed on tail-hood, makes the resilient force of spring on the direction of ejection of nook closing member；Locking mechanism is cooperatively formed as the elastic clip set by shell and nook closing member；Unlocking mechanism is cooperatively formed by correcting structure front portion with elastic clip end by unlocking inclined-plane；Tail-hood is pressed when using, correcting structure is anterior to force elastic clip end laterally to be opened under unblock ramp effect, and nook closing member launches puncture under the action of the spring after grab departs from locking critical point.This programme associates spring correcting structure with unlocking mechanism, cleverly produces two kinds of effects using a structure, realizes correcting and unblock double effectses, had both reduced needle point shake, and in turn simplify structure, reduce cost.
Description
Technical field
It is more particularly to a kind of to carry ejection mechanism and with spring correcting structure the present invention relates to medical blood taking apparatus field
The disposable safe hemostix of pressure type afterwards（Or blood taking needle）.The characteristics of this hemostix is maximum is can to reduce needle point to tremble
It is dynamic, pain is reduced, painless or hypodynia sensation is given.
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.
With the development in market, the species and form of current disposable medical hemostix product are varied, but from product
From the point of view of design angle, a kind of most important condition of hemostix product quality is weighed, the shooting puncture resistance of its blood taking needle should be investigated, its
In, the size that needle point is shaken when puncturing human body skin is one of important index, and it is not only related to the blood sampling effect of needle point,
More importantly directly affect the pain of puncture.Especially today's society, hemostix security and user's body in use
Test the key element for having gone up and considering for emphasis in product design.For hemostix product prevents that needle point from shaking, theoretically see, shadow
The factor for ringing needle point shake is a lot, such as nook closing member shooting guide frame, nook closing member latch-up structure, nook closing member trigger architecture, spring performance
Etc..But considering that most is that the shooting to nook closing member is oriented in conventional existing design, i.e. use opens up guide chute
Mode guide nook closing member to shoot, so as to reduce shake when needle point is punctured, and have ignored the influence of other factorses.
On the other hand, it is received by the market and ripe hemostix product will not only have good puncture as a kind of
Shooting performance and reliability, while also to possess simple in construction, are easy to industrialized mass production, the characteristics of manufacturing cost is low.
Therefore, in prior art basis, needle point shake how is reduced, Consumer's Experience is taken into full account, while simplify structure design, reduction
Manufacturing cost, is the developing direction of Medical blood collecting device product from now on, is also the dual problem that those skilled in the art face.
The content of the invention
In view of the problem of above prior art is present, it is disposable that the present invention provides a kind of rear pressure type with spring correcting structure
Hemostix, its first purpose is that the problem of solving stabilization when above-mentioned hemostix needle point is punctured, the second purpose is to solve to simplify
Structure, the problem of reducing cost.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of rear pressure type with spring correcting structure is once
Property hemostix, including shell, nook closing member, spring and tail-hood.
One ejection chamber of the shell formation, nook closing member is by locking mechanism position and lock in ejection chamber, and spring at front end is acted on
On nook closing member, nook closing member is oriented to by chute on needle point direction of ejection with shell and is slidably connected.
The tail-hood is arranged on shell afterbody, and is slidably connected with shell on needle point direction of ejection, tail-hood and locking machine
Structure cooperatively forms unlocking mechanism, and afterbody push-press type emitting structural is formed with this.
Its innovation is：The correcting structure for righting is provided with for the spring, the correcting structure is located on tail-hood simultaneously
Stretch into shell；The correcting structure is made up of at least three correcting bars, is either made up of or by one at least two correcting pieces
Individual pilot is constituted, and pilot or all correcting bars or all correcting pieces are arranged simultaneously in the periphery of spring circumferentially around spring
And the correcting passage of a restricted spring is formed, spring is located in the correcting passage, the resilient force of spring is launched in needle point
On direction, spring rear end is acted on correcting structure or tail-hood.
The locking mechanism is cooperatively formed by shell with nook closing member, wherein, extension is provided with least one elastic arm, bullet in shell
Property arm be provided with and be used for locking the grab or end face of nook closing member, all elastic arm is collectively forming an elastic clip, or elastic arm with
One of outer casing inner wall and correcting structure inwall cooperatively form an elastic clip, and nook closing member is clamped position and lock in elastic clip
In, the locking mechanism is formed with this.
The unlocking mechanism is cooperatively formed by correcting structure with elastic arm, wherein, after correcting structure forward face is to elastic arm
Portion is set, in both correcting structure front portion and elastic arm rear portion, and at least one is provided with unblock inclined-plane.
In a state of use, when tail-hood is pushed, tail-hood is to preceding movement in shell, and correcting structure front portion meets bullet head-on
Property arm rear portion, and unblock inclined-plane in the presence of force elastic arm end laterally to be opened, when on elastic arm grab or end face take off
Launch puncture under the action of the spring from nook closing member after locking 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 " tail-hood " is the base of afterbody push type disposable blood taking device
This structure, its basic function and effect are prior art.
2. in such scheme, " preceding " in " front end " and " front portion " refers to needle point direction in hemostix.It is described
" rear " in " rear end " and " rear portion " refers to the opposite direction of " preceding ".
3. in such scheme, " locking mechanism " refers to that hemostix is used for locking the knot of nook closing member under state before transmission
Structure." unlocking mechanism " refers to that hemostix is used for triggering in a state of use the structure of nook closing member ejection.
4. in such scheme, " inclined-plane " in " the unblock inclined-plane " includes plane, cambered surface or the conical surface, however, how equal
It is obliquely installed with respect to hemostix axis, so as to constitute inclined-plane.In other words, inclined-plane has the inclined-plane of plane form, concave form
Inclined-plane（Inclined-plane is in an inclined direction made up of multistage straight line, and concave surface or convex surface are upwardly formed in vertical tilt side, but essence is also
It is inclined-plane）, conical surface form inclined-plane and the inclined-plane of cambered surface form（Inclined-plane is in an inclined direction by least one section concave arc or/and convex
Arc is constituted, but essence or inclined-plane）Four types.It is any in the present invention applicable, specifically can be according to actual conditions
To determine.Wherein, the first be plane form inclined-plane；It is for second the inclined-plane of concave form；The third is conical surface form
Inclined-plane；4th kind be cambered surface form inclined-plane.
5. pressure type disposable blood taking device includes torsion two kinds of structures of shape for hat and block type after the present invention.I.e. the present invention is disposably adopted
Blood device normal conditions have protective cap, and the structure type of protective cap can be using torsion shape for hat or block type.This has no effect on
Realize the object of the invention.
The present invention design principle and design be：In order to reduce needle point shake and simplify structure, cost is reduced, the present invention
Employ following technical measures：First, in spring outwards there is provided a correcting structure for restricted spring, passes through correcting knot
Structure can ensure correcting effect of the spring under assembling, transmitting and retracted state；Second, correcting structure is specifically led by least three
Positive bar is constituted, and is either made up of or is made up of a pilot at least two correcting pieces, and these structures are conducive to simplifying
Structure and reduce cost；3rd, by locking mechanism design between shell and nook closing member, i.e., extension is provided with least one bullet in shell
Property arm, elastic arm is individually formed an elastic clip, or elastic arm cooperatively forms one with one of shell and correcting structure
Elastic clip, locking nook closing member is clamped using this elastic clip；4th, it is cleverly anterior and elastic clip end using correcting structure
Motion and cooperation help to realize that nook closing member is unlocked on unblock inclined-plane, i.e., cleverly associate spring correcting structure with unlocking mechanism
Get up, two effects are produced using a structure, realize correcting and unblock double effectses.
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 is after spring outwards increase correcting structure, to reducing needle point shake, reduction, which punctures pain, has notable effect
Really.Research find to cause the factor of pain except needle point deflection and in addition to, the needle point shake mainly in transmission path（Or shake
Shake）.In conventional existing design, in order to reduce shake of the needle point in puncture, guided only with the mode of guide chute is opened up
Nook closing member is shot, and be have ignored spring and had an effect not positive influence.Spring is the dynamical element of nook closing member transmitting in hemostix, if bullet
Spring torsional deformation under compression confined state, then can cause spring during transmitting to be had an effect not just, needle point when directly affecting puncture is trembled
Dynamic size and perpendicularity.Spring not positive factor of having an effect is caused mainly to have following two：First is, spring-compressed installment state
Under, distortion is laterally heaved at middle part；Second is, it is inaccurate that spring installs positioning.The present invention assembles appearance by correcting structure to spring
State and stress are corrected, so as to ensure that spring is in correcting state all the time in transmitting, retraction and resonant process.
2. the present invention can greatly improve spring assembling posture consistent with stress after spring outwards increase correcting structure
Property.
3. the present invention is cleverly helped using the anterior motion and cooperation with elastic clip end of correcting structure on unblock inclined-plane
Get off to realize that nook closing member is unlocked, i.e., associate spring correcting structure with unlocking mechanism, cleverly produce two using a structure
Effect is planted, correcting and unblock double effectses is realized.
4. correcting structure of the present invention and correcting structure front portion and unlocking mechanism formed by the cooperation of elastic clip end, both subtracted
Lack needle point shake, in turn simplify structure, reduce cost.
5. only considering nook closing member slide-and-guide instant invention overcomes conventional prior art, and ignore spring as dynamical element pair
The influence of needle point shake.Needle point can be reduced by correcting structure to shake, and reduced pain, given painless or hypodynia sense
Feel, thus it is with prominent substantive distinguishing features and significantly progressive.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view of the embodiment of the present invention 1；
Fig. 2 is the nook closing member of the embodiment of the present invention 1 and turns round cap stereogram；
Fig. 3 is Fig. 2 partial enlarged drawing；
Fig. 4 is the shell three-dimensional cutaway view of the embodiment of the present invention 1；
Fig. 5 is the tail-hood stereogram of the embodiment of the present invention 1；
Fig. 6 is the initial confined state sectional view of the embodiment of the present invention 1；
Fig. 7 is pressing tail-hood state sectional view after the removal needle cap of the embodiment of the present invention 1；
Fig. 8 is the Continued depression tail-hood state sectional view of the embodiment of the present invention 1；
Fig. 9 is the first change programme stereogram of correcting structure in the embodiment of the present invention 1；
Figure 10 is second of change programme stereogram of correcting structure in the embodiment of the present invention 1；
Figure 11 is hemostix stereogram of the embodiment of the present invention 4 with fool proof post；
Figure 12 is the tail-hood stereogram of the embodiment of the present invention 4；
Figure 13 is hemostix sectional view of the embodiment of the present invention 4 with fool proof post；
Figure 14 is hemostix three-dimensional cutaway view of the embodiment of the present invention 4 with fool proof post；
Figure 15 is hemostix stereogram of the embodiment of the present invention 5 with regulation header structure；
Figure 16 is the embodiment of the present invention 6 with regulation header structure three-dimensional exploded view.
Label declaration in the figures above is as follows：
1. shell；2. nook closing member；3. spring；4. tail-hood；5. elastic arm；6. grab；7. contractible neck；8. snap-latch surface；9. needle outlet；
10. unlock inclined-plane；11. turn round cap；12. correcting bar；13. correcting piece；14. pilot；15. torsional part；16. guard bar；17. regulation
Head；18. fool proof post；19. block.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1：A kind of rear pressure type disposable blood taking device with spring correcting structure（Turn round shape for hat）
As Figure 1-Figure 8, the disposable blood taking device is made up of shell 1, torsion cap 11, nook closing member 2, spring 3 and tail-hood 4（See Fig. 1）.
One ejection chamber of the formation of shell 1, nook closing member 2 is by locking mechanism position and lock in ejection chamber, and the front end of spring 3 is acted on
On nook closing member 2, nook closing member 2 is oriented to by chute on needle point direction of ejection with shell 1 and is slidably connected（Not shown in figure）.
It is anterior that the torsion cap 11 is located at nook closing member 2, and is linked into an integrated entity injection molding structure with nook closing member 2（See Fig. 1 and Fig. 2）,
It may be regarded as a part.Torsion cap 11 is fixedly connected by torsional part 15 with guard bar 16 to be constituted（See Fig. 2）, guard bar 16 and nook closing member 2
Between be provided with the contractible neck 7 that can be twisted off.Draw point is provided with nook closing member 2, guard bar 16 is enclosed on the needle point of draw point, for protecting
Draw point.Dial except the needle point for turning round draw point after cap 11 exposes in the front end of nook closing member 2, for puncture blood collecting.The head of shell 1 is provided with out pin
Hole 9（See Fig. 4, Fig. 7 and Fig. 8）, maximum diameter of hole of the maximum outside diameter more than needle outlet 9 of the torsional part 15, and the He of guard bar 16
Nook closing member 2 can penetrate assembling from the front end of needle outlet 9.
The tail-hood 4 is arranged on the afterbody of shell 1, and is slidably connected with shell 1 on needle point direction of ejection, tail-hood 4 and lock
Determine mechanism and cooperatively form unlocking mechanism, afterbody push-press type emitting structural is formed with this.
The present invention is provided with the correcting structure for righting for the spring 3, and the correcting structure is located on tail-hood 4 and stretched into
In shell 1（See Fig. 5, Fig. 6）.The correcting structure is made up of at least three correcting bars 12, in the present embodiment, and correcting structure is real
Border is made up of four correcting bars 12（See Fig. 5）, certain five or six roots of sensation correcting bar 12 it is also possible, those skilled in the art hold
It is readily understood.All correcting bars 12 lead in the peripheral correcting arranged circumferentially around spring 3 and form a restricted spring 3 of spring 3
Road, spring 3 is located in the correcting passage, makes the resilient force of spring 3 on needle point direction of ejection, the rear end of spring 3 is acted on
On correcting structure or tail-hood 4.
The locking mechanism is cooperatively formed by shell 1 with nook closing member 2, wherein, extension is provided with two elastic arms 5 in shell 1（See
Fig. 4）, elastic arm 5 is provided with the grab 6 for being used for locking nook closing member 2, and the correspondence grab 6 is on nook closing member 2 provided with snap-latch surface 8（See figure
2 and Fig. 3）, all elastic arm 5 is collectively forming an elastic clip, and nook closing member 2 is clamped to be positioned in elastic clip, snap-latch surface 8 and grab
6 coordinate to lock nook closing member 2（See Fig. 6）, the locking mechanism is formed with this.
The unlocking mechanism is cooperatively formed by correcting structure with elastic arm 5, wherein, correcting structure forward face is to elastic arm 5
Rear portion is set, in both correcting structure front portion and the rear portion of elastic arm 5, and at least one is provided with unblock inclined-plane 10.In this reality
Apply in example, unblock inclined-plane 10 is located at correcting structure front portion, the i.e. front end of correcting bar 12（See Fig. 5-8）.Certainly, if inclined-plane will be unlocked
10 are located at the rear end of elastic arm 5, or set unblock inclined-plane 10 to be also feasible simultaneously in correcting structure front end and the rear end of elastic arm 5
's.
Action process is as follows when the present embodiment is used：
（1）Initial confined state
As shown in fig. 6, whole hemostix is made up of shell 1, torsion cap 11, nook closing member 2, spring 3 and tail-hood 4, wherein, spring 3 is in
Preloading condition, before transmission under confined state, all elastic arm 5 is collectively forming an elastic clip, and nook closing member 2 passes through the quilt of snap-latch surface 8
Clamping position is locked in elastic clip, wherein, the grab 6 on elastic arm 5 coordinates with the snap-latch surface 8 on nook closing member 2, makes at nook closing member 2
In lock-out state.It is anterior that the rear end of the elastic arm 5 is arranged in unblock inclined-plane 10（The front end of correcting bar 12）.
（2）Tail-hood state is pressed after removal needle cap
As shown in fig. 7, a hand grips hemostix shell 1, another hand is reversed and dialled except torsion cap 11.Then, by hemostix head
Portion is directed at blood sampling site, presses tail-hood 4, and tail-hood 4 is moved forward in shell 1.
（3）Nook closing member unhook state
As shown in figure 8, as tail-hood 4 is persistently moved rearwards by, correcting structure（That is correcting bar 12）Front portion meets the rear portion of elastic arm 5 head-on,
And force the end of elastic arm 5 laterally to be opened in the presence of unblock inclined-plane 10, when the disengaging locking of grab 6 on elastic arm 5 is critical
Nook closing member 2 issues in the effect of spring 3 and is shot through thorn after point.
It is explained as follows below for the possible change of embodiment 1：
1. what although above example 1 provided is to turn round shape for hat head press-type disposable blood taking device, the present invention is not limited to this,
It is also applied for block type head press-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, provided with two elastic arms 5 in the shell 1（See Fig. 4）, two compositions of elastic arms 5 one
Individual elastic clip, for clamping locking nook closing member 2.But the present invention is not limited to this, constituting elastic clip can from the quantity of elastic arm 5
To be two, three, four, five, six etc..This is skilled artisans appreciate that and cognitive situation.
3. in above example 1, figure 4, it is seen that the elastic arm 5 is straight-arm shape structure.But the present invention is not
This is confined to, the elastic arm 5 can also be crank arm type structure, or folding arm shape structure.This is that those skilled in the art exist
It will be appreciated that and cognitive situation on the basis of embodiment 1.
4. 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.
5. in above example 1, the correcting structure is made up of four correcting bars 12（See Fig. 5）.But not office of the invention
It is limited to this, the correcting structure can also be made up of at least two correcting pieces 13（See Fig. 9）, or be made up of a pilot 14
（See Figure 10）.This is that those skilled in the art are readily appreciated that and cognitive situation on the basis of embodiment 1.
6. in above example 1, the rear end of spring 3 is acted on tail-hood 4.It is described but the present invention is not limited to this
The rear end of spring 3 can also be acted on correcting structure.This is skilled artisans appreciate that and cognitive situation.
7. in above example 1, the front end top pressure of spring 3 is on nook closing member 2, if the afterbody of nook closing member 2 is socketed a part
Or make split nook closing member, this part again with the top pressure of spring 3, be also skilled artisans appreciate that and cognitive feelings
Condition, falls within protection scope of the present invention.The essence of the present invention here is that the front end of spring 3 is acted on nook closing member 2, wherein, have
Directly effect and two kinds of situations of indirectly-acting.Situation described above belongs to the connotation of indirectly-acting.
Embodiment 2：A kind of rear pressure type disposable blood taking device with spring correcting structure（Shape for hat is turned round, between shell and nook closing member
Locking mechanism it is different from embodiment 1）
The disposable blood taking device is made up of shell 1, torsion cap 11, nook closing member 2, spring 3 and tail-hood 4（Diagram is not provided）.
The present embodiment 2 is that the locking mechanism between shell 1 and nook closing member 2 is different from the difference of embodiment 1.Embodiment 1 is：
Extension is provided with two elastic arms 5 in shell 1（See Fig. 4）, elastic arm 5 is provided with the grab 6 for being used for locking nook closing member 2, corresponding described
Grab 6 is provided with snap-latch surface 8 on nook closing member 2（See Fig. 2 and Fig. 3）, two elastic arms 5 are collectively forming an elastic clip, and nook closing member 2 is pressed from both sides
Position and lock is held in elastic clip, the snap-latch surface 8 coordinates with grab 6 to be used for locking nook closing member 2（See Fig. 6）, the lock is formed with this
Determine mechanism.Embodiment 2 is（Diagram is not provided）：One elastic arm 5 of extension in shell 1, elastic arm 5, which is provided with, to be used for locking nook closing member
2 grab 6 or end face, elastic arm 5 cooperatively forms an elastic clip with the inwall of shell 1, and nook closing member 2 is clamped position and lock in elasticity
In folder, the locking mechanism is formed with this.As can be seen here, elastic clip can be not only made up of at least two elastic arms 5, can also
Cooperatively formed by least one elastic arm 5 with the inwall of shell 1.
Other contents are same as Example 1, and description is not repeated herein.
It is applied to the present embodiment 2 about the possible all changes of embodiment 1 above, description is also not repeated here.
Embodiment 3：A kind of rear pressure type disposable blood taking device with spring correcting structure（Shape for hat is turned round, between shell and nook closing member
Locking mechanism it is different from embodiment 1）
The disposable blood taking device is made up of shell 1, torsion cap 11, nook closing member 2, spring 3 and tail-hood 4（Diagram is not provided）.
The present embodiment 3 and the difference of embodiment 1 are：Locking mechanism between shell 1 and nook closing member 2 is different.Embodiment 3 is
（Diagram is not provided）：One elastic arm 5 of extension in shell 1, elastic arm 5 is provided with the grab 6 or end face for being used for locking nook closing member 2,
Elastic arm 5 cooperatively forms an elastic clip with the inwall of correcting bar 12, and nook closing member 2 is clamped position and lock in elastic clip, with this shape
Into the locking mechanism.As can be seen here, elastic clip can be not only made up of at least two elastic arms 5, can also be by least one
Elastic arm 5 is cooperatively formed with the inwall of correcting bar 12.
Other contents are same as Example 1, and description is not repeated herein.
It is applied to the present embodiment 3 about the possible all changes of embodiment 1 above, description is also not repeated here.
Embodiment 4：A kind of rear pressure type disposable blood taking device with spring correcting structure（Band anti-misoperation device and torsion shape for hat）
As shown in figure 11, the hemostix is made up of shell 1, torsion cap 11, nook closing member 2, spring 3 and tail-hood 4.
The present embodiment 4 and the difference of embodiment 1 are：Extension is provided with fool proof post 18 forward on the tail-hood 4（See Figure 12）,
To should fool proof post 18 turn round cap 11 guard bar 16 on be provided with block 19（See Figure 11）, under initial confined state, fool proof post
18 close to or withstand on block 19, make tail-hood 4 last removal turn round cap 11 on the premise of can not move forward, i.e., do not remove turn round cap 11,
Tail-hood 4 because fool proof post 18 close to or be against on block 19 can not move forward triggering nook closing member 2 launch（See Figure 13 and Figure 14）.
Other contents are same as Example 1, and description is not repeated herein.
It is applied to the present embodiment 4 about the possible all changes of embodiment 1 above, description is also not repeated here.
Embodiment 5：A kind of rear pressure type disposable blood taking device with spring correcting structure（Carry regulation head and turn round shape for hat）
As shown in Figure 15 and Figure 16, the hemostix is made up of shell 1, regulation first 20, torsion cap 11, nook closing member 2, spring 3 and tail-hood 4.
The present embodiment 4 and the difference of embodiment 1 are：The head of shell 1, which is provided with, can change the regulation first 20 of paracentesis depth
Structure.And the regulation first 20 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.
It is applied to the present embodiment 5 about the possible all changes of embodiment 1 above, description is also not repeated here.
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 (6)
1. a kind of rear pressure type disposable blood taking device with spring correcting structure, including shell（1）, nook closing member（2）, spring（3）And
Tail-hood（4）；
The shell（1）Form an ejection chamber, nook closing member（2）By locking mechanism position and lock in ejection chamber, spring（3）Make front end
Used in nook closing member（2）On, nook closing member（2）With shell（1）It is oriented to and is slidably connected by chute on needle point direction of ejection；
The tail-hood（4）Installed in shell（1）Afterbody, and and shell（1）It is slidably connected on needle point direction of ejection, tail-hood（4）
Unlocking mechanism is cooperatively formed with locking mechanism, afterbody push-press type emitting structural is formed with this；
It is characterized in that：For the spring（3）Provided with the correcting structure for righting, the correcting structure is located at tail-hood（4）On
And stretch into shell（1）It is interior；The correcting structure is by least three correcting bars（12）Constitute, or by least two correcting pieces（13）
Constitute, or by a pilot（14）Constitute, pilot（14）Or all correcting bars（12）Or all correcting pieces（13）
In spring（3）Periphery circumferentially around spring（3）Arrange and form a restricted spring（3）Correcting passage, spring（3）It is located at
In the correcting passage, make spring（3）Resilient force on needle point direction of ejection, spring（3）Rear end acts on correcting structure
Or tail-hood（4）On；
The locking mechanism is by shell（1）With nook closing member（2）Cooperatively form, wherein, shell（1）Interior extension is provided with least one elasticity
Arm（5）, elastic arm（5）It is provided with and is used for locking nook closing member（2）Grab（6）Or end face, all elastic arm（5）It is collectively forming one
Elastic clip, or elastic arm（5）With shell（1）One of inwall and correcting structure inwall cooperatively form an elastic clip, pin
Core（2）Clamped position and lock forms the locking mechanism in elastic clip with this；
The unlocking mechanism is by correcting structure and elastic arm（5）Cooperatively form, wherein, correcting structure forward face is to elastic arm（5）
Rear portion is set, in correcting structure front portion and elastic arm（5）In both rear portions, at least one is provided with unblock inclined-plane（10）；
In a state of use, tail-hood is worked as（4）When being pushed, tail-hood（4）In shell（1）Interior to move forward, correcting structure is anterior
Meet elastic arm head-on（5）Rear portion, and on unblock inclined-plane（10）In the presence of force elastic arm（5）End is laterally opened, and works as elastic arm
（5）On grab（6）Or end face departs from nook closing member after locking 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：The nook closing member（2）Front portion is provided with torsion cap（11）, with this structure
Into torsion shape for hat head press-type disposable blood taking device.
3. hemostix according to claim 2, it is characterised in that：The torsion cap（11）Positioned at nook closing member（2）Front portion, and and pin
Core（2）Link into an integrated entity injection molding structure, turns round cap（11）By torsional part（15）And guard bar（16）Composition is fixedly connected with, is protected
Bar（16）With nook closing member（2）Between be provided with the contractible neck that can be twisted off（7）.
4. hemostix according to claim 3, it is characterised in that：The tail-hood（4）On forward extension be provided with fool proof post
（18）, to should fool proof post（18）Turning round cap（11）Guard bar（16）It is provided with block（19）, under initial confined state, prevent
Slow-witted post（18）Close to or withstand on block（19）, make tail-hood（4）Cap is turned round in last removal（11）On the premise of can not move forward.
5. 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.
6. 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（17）Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376735.8A CN107007289B (en) | 2017-05-25 | 2017-05-25 | Rear pressure type disposable blood taking device with spring correcting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376735.8A CN107007289B (en) | 2017-05-25 | 2017-05-25 | Rear pressure type disposable blood taking device with spring correcting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107007289A true CN107007289A (en) | 2017-08-04 |
| CN107007289B CN107007289B (en) | 2019-08-23 |
Family
ID=59451375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710376735.8A Active CN107007289B (en) | 2017-05-25 | 2017-05-25 | Rear pressure type disposable blood taking device with spring correcting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107007289B (en) |
Cited By (5)
| 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 |
| CN108498105A (en) * | 2018-04-24 | 2018-09-07 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device fence type damping correcting structure |
| CN108836357A (en) * | 2018-07-25 | 2018-11-20 | 天津华鸿科技股份有限公司 | It is a kind of can the withdraw of the needle blood collecting pen and assemble method |
| CN110279424A (en) * | 2019-07-17 | 2019-09-27 | 聚民生物科技有限公司 | A kind of adjustable safe blood-taking needle of depth |
| CN111214241A (en) * | 2019-05-12 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood sampling pen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2613234Y (en) * | 2003-05-12 | 2004-04-28 | 施国平 | Self-destroyed disposable safety automatic blood sampling needle |
| US20070083222A1 (en) * | 2005-06-16 | 2007-04-12 | Stat Medical Devices, Inc. | Lancet device, removal system for lancet device, and method |
| WO2007123509A2 (en) * | 2006-03-22 | 2007-11-01 | Stat Medical Devices, Inc. | Disposable or single-use lancet device and method |
| CN205697802U (en) * | 2016-04-28 | 2016-11-23 | 山东连发医用塑胶制品有限公司 | A kind of comfortable blood taking needle |
| CN106175796A (en) * | 2016-08-30 | 2016-12-07 | 苏州施莱医疗器械有限公司 | A kind of drop-head type head pressing type disposable blood taking device |
| CN106419934A (en) * | 2016-11-08 | 2017-02-22 | 苏州施莱医疗器械有限公司 | Disposable hemostix capable of preventing secondary puncturing |
| CN207734168U (en) * | 2017-05-25 | 2018-08-17 | 苏州施莱医疗器械有限公司 | Rear pressure type disposable blood taking device with spring correcting structure |
-
2017
- 2017-05-25 CN CN201710376735.8A patent/CN107007289B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2613234Y (en) * | 2003-05-12 | 2004-04-28 | 施国平 | Self-destroyed disposable safety automatic blood sampling needle |
| US20070083222A1 (en) * | 2005-06-16 | 2007-04-12 | Stat Medical Devices, Inc. | Lancet device, removal system for lancet device, and method |
| WO2007123509A2 (en) * | 2006-03-22 | 2007-11-01 | Stat Medical Devices, Inc. | Disposable or single-use lancet device and method |
| CN205697802U (en) * | 2016-04-28 | 2016-11-23 | 山东连发医用塑胶制品有限公司 | A kind of comfortable blood taking needle |
| CN106175796A (en) * | 2016-08-30 | 2016-12-07 | 苏州施莱医疗器械有限公司 | A kind of drop-head type head pressing type disposable blood taking device |
| CN106419934A (en) * | 2016-11-08 | 2017-02-22 | 苏州施莱医疗器械有限公司 | Disposable hemostix capable of preventing secondary puncturing |
| CN207734168U (en) * | 2017-05-25 | 2018-08-17 | 苏州施莱医疗器械有限公司 | Rear pressure type disposable blood taking device with spring correcting structure |
Cited By (9)
| 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 |
| WO2019161787A1 (en) | 2018-02-24 | 2019-08-29 | 苏州施莱医疗器械有限公司 | Tail-press safe disposable blood collection device |
| CN108498105A (en) * | 2018-04-24 | 2018-09-07 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device fence type damping correcting structure |
| CN108498105B (en) * | 2018-04-24 | 2019-08-23 | 苏州施莱医疗器械有限公司 | A kind of blood-taking device fence type damping correcting structure |
| CN108836357A (en) * | 2018-07-25 | 2018-11-20 | 天津华鸿科技股份有限公司 | It is a kind of can the withdraw of the needle blood collecting pen and assemble method |
| CN108836357B (en) * | 2018-07-25 | 2024-02-23 | 天津华鸿科技股份有限公司 | Blood sampling pen capable of withdrawing needle and assembling method |
| CN111214241A (en) * | 2019-05-12 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood sampling pen |
| CN110279424A (en) * | 2019-07-17 | 2019-09-27 | 聚民生物科技有限公司 | A kind of adjustable safe blood-taking needle of depth |
| CN110279424B (en) * | 2019-07-17 | 2024-08-27 | 聚民生物科技有限公司 | Depth-adjustable safety blood taking needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107007289B (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107157494A (en) | Press-type disposable blood taking device with spring correcting structure | |
| CN107007289A (en) | Rear pressure type disposable blood taking device with spring correcting structure | |
| CN207734167U (en) | Press-type disposable blood taking device with spring correcting structure | |
| US11826145B2 (en) | Tail pressing type disposable safety lancet | |
| CN207734168U (en) | Rear pressure type disposable blood taking device with spring correcting structure | |
| CN102028480B (en) | Improved safe and convenient disposable automatic blood taking needle | |
| CN106419934B (en) | Disposable hemostix for preventing secondary puncture | |
| CN108498105B (en) | A kind of blood-taking device fence type damping correcting structure | |
| CN107049335B (en) | Disposable hemostix | |
| CN106175796A (en) | A kind of drop-head type head pressing type disposable blood taking device | |
| CN204091993U (en) | Prevent the disposable automatic blood-taking needle of secondary puncture | |
| CN110013257A (en) | Safe hemostix is triggered under four cellular types | |
| CN109646019B (en) | Improved tail pressing type disposable safety hemostix | |
| CN208096749U (en) | New disposable hemostix | |
| CN209847199U (en) | Improved tail pressing safety hemostix | |
| CN107049441A (en) | A kind of puncture outfit for including the lock that automatically resets | |
| CN201905899U (en) | Improved automatic safe portable disposable blood taking needle | |
| CN109966588B (en) | A kind of disposable syringe for continuous fixed quantity injection | |
| CN206462997U (en) | Single stepping internal cap type hemostix | |
| CN216294887U (en) | Ejection type puncture-proof blood taking needle | |
| CN221242879U (en) | Novel tip hemostix capable of preventing secondary use | |
| CN206365893U (en) | Drop-head type head push type disposable blood taking device | |
| EP2653099B1 (en) | Lancet device capable of lancet detachment | |
| CN103370008A (en) | Lancet device | |
| CN201519196U (en) | Needle head protecting device of blood taking needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rear pressure disposable blood collector with spring guide structure Effective date of registration: 20220105 Granted publication date: 20190823 Pledgee: China Minsheng Bank Co.,Ltd. Suzhou Branch Pledgor: STERILANCE MEDICAL (SUZHOU) Inc. Registration number: Y2022320010001 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230523 Granted publication date: 20190823 Pledgee: China Minsheng Bank Co.,Ltd. Suzhou Branch Pledgor: STERILANCE MEDICAL (SUZHOU) Inc. Registration number: Y2022320010001 |