CN108420444A - Push type hemostix - Google Patents
Push type hemostix Download PDFInfo
- Publication number
- CN108420444A CN108420444A CN201810501512.4A CN201810501512A CN108420444A CN 108420444 A CN108420444 A CN 108420444A CN 201810501512 A CN201810501512 A CN 201810501512A CN 108420444 A CN108420444 A CN 108420444A
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- Prior art keywords
- needle
- push away
- hair device
- hemostix
- away hair
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- 239000008280 blood Substances 0.000 claims abstract description 52
- 210000004369 blood Anatomy 0.000 claims abstract description 52
- 210000000078 claw Anatomy 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims 1
- 206010011409 Cross infection Diseases 0.000 abstract description 10
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 10
- 238000010241 blood sampling Methods 0.000 abstract description 9
- 238000001467 acupuncture Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- BYACHAOCSIPLCM-UHFFFAOYSA-N 2-[2-[bis(2-hydroxyethyl)amino]ethyl-(2-hydroxyethyl)amino]ethanol Chemical compound OCCN(CCO)CCN(CCO)CCO BYACHAOCSIPLCM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15111—Semi-automatically triggered, e.g. at the end of the cocking procedure, for instance by biasing the main drive spring or when reaching sufficient contact pressure, the piercing device is automatically triggered without any deliberate action by the user
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
-
- 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
- A61B5/15117—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 comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present invention relates to medical auxiliary equipment field, disclose a kind of push type hemostix, hemostix before transmission, push away hair device（2）Pass through two cambered surface elastic card claws（201）It is stuck in shell（1）Two positive stop lug boss of madial wall（101）On, needle body ejector（3）Middle fixed seat（301）Two position limiting slide blocks（3011）It is against two sliding slots of push away hair device madial wall respectively（203）Bottom open end boss on, blood taking needle（302）Syringe needle be located in the push away hair device；For hemostix after transmitting, push away hair device passes through two cambered surface elastic card claw（201）It is stuck in two positioning convex platforms of housing interior side-wall（102）On, two position limiting slide blocks are located in two sliding slots, the syringe needle extended needle outlet of blood taking needle（202）.This hemostix can avoid patient from seeing syringe needle in blood sampling, prevent from causing the feared state of mind, can effectively avoid cross-infection, simple in structure using simplicity, securely and reliably.
Description
Technical field
The present invention relates to medical auxiliary equipment field, more particularly to a kind of push type hemostix.
Background technology
Currently, medical institutions are generally directly taken a blood sample with blood taking needle in conventional blood collection, though this method energy one people, one needle, no
By cross-infection, but patient is immediately seen syringe needle, generates the feared state of mind（Especially children）.When another kind blood sampling, blood taking needle is taken
It is used cooperatively by blood collecting pen, by blood taking needle loaded in blood collecting pen, removes blood taking needle after transmitting needle thorn, load onto another blood taking needle
It reuses, since blood collecting pen is to reuse many times, is easy to cause cross-infection.Both the above blood-sampling method, medical care
Staff is in direct contact blood taking needle, manually takes syringe needle dress in blood sampling, is accidentally easy to stab, causes cross-infection,
There are some potential safety problemss, also plant mode, blood taking needle more advanced at present, using retraction type, syringe needle after blood sampling
In automatic retracted to shell, but this retraction type blood taking needle usually using a block, cover first in blood taking needle by block at present
Section, can cover back after use on blood taking needle shell, can also cause cross-infection during use, applicant is in May, 2013
Apply for the utility model patent of Patent No. 2013202790706 within 21st, and authorized, solves above-mentioned ask
Topic, but patented product is in actual use, structure is complex, equips step and the process is more complicated, and needle body
Ejector will appear needle body offset in ejection process, or even the problem of needle body gets stuck occurs.
Invention content
Goal of the invention：For problems of the prior art, the present invention provides a kind of push type hemostix, and when blood sampling keeps away
Exempt from patient and see syringe needle, prevent from causing the feared state of mind, can effectively avoid cross-infection, it is simple in structure using simplicity, safely may be used
It leans on.
Technical solution：The present invention provides a kind of push type hemostix, including shell, push away hair device and needle body ejector, institutes
It states and is symmetrical arranged two positive stop lug boss and two positioning convex platforms, two positioning convex platforms at left and right sides of the madial wall bottom of shell
It is located at the lower section side of two positive stop lug boss；The push away hair device is located in the shell, and the push away hair device is outside
The cylindrical structure of the Needle outlet of two cambered surface elastic card claws, top with blood taking needle is symmetrical arranged at left and right sides of wall bottom；
The needle body ejector is made of fixed seat and the blood taking needle, and the bottom end of the fixed seat is fixed on the shell by spring
Bottom；The backshank of the blood taking needle is fixed on the axis line position of the fixed seat, and syringe needle reaches at the top of the fixed seat
And Needle outlet described in face；Before transmission, the push away hair device is stuck in two to hemostix by two cambered surface elastic card claws
On the positive stop lug boss, the fixed seat is limited between the bottom end of the push away hair device and the spring, the blood taking needle
Syringe needle is located in the push away hair device；For hemostix after transmitting, the push away hair device is stuck in two by two cambered surface elastic card claws
On a positioning convex platform, in the push away hair device, the syringe needle of the blood taking needle stretches out the Needle outlet for the fixed seating；
After puncture, the syringe needle of the blood taking needle is located in the push away hair device.
Further, the madial wall front and rear sides of the push away hair device are symmetrical arranged the sliding slot of two bottom openings, described solid
The lateral wall front and rear sides of reservation are symmetrical arranged two position limiting slide blocks coordinated with two sliding slots, hemostix before transmission,
Two position limiting slide blocks are against respectively on the bottom open end boss of two sliding slots；Hemostix piercing process after transmitting
In, two position limiting slide blocks are located in two sliding slots.
Further, the push type hemostix further includes torsion bar, and the on both sides of the middle of the torsion bar is symmetrical arranged two
Convex shoulder is limited, hemostix is in travel position, the top breakpoint joint of the bottom end of the torsion bar and the fixed seat, the limit
Convex shoulder is located inside the push away hair device and is against on the lower surface of the Needle outlet, and hemostix is in emission state, the torsion
Bar is detached with the hemostix.There is certain distance, this distance can between limit convex shoulder and the bottom end of torsion bar of torsion bar
Two cambered surface elastic card claws of push away hair device are stuck in always on two positive stop lug boss of housing interior side-wall, that is, are maintained at travel position
When, push away hair device can not be pressed, and just can guarantee that needle body ejector is limited in the bottom of two sliding slots of push away hair device always in this way
Between open end and spring, needle body ejector is effectively prevent to be ejected in travel position, effectively prevent the syringe needle of blood taking needle
Cross-infection caused by being ejected the Needle outlet of push away hair device in travel position.
Further, symmetrically two are vertically arranged at left and right sides of the madial wall of the shell with the cambered surface elastic card claw to match
The guide groove of conjunction, the guide groove are engaged on right over the positive stop lug boss.When push away hair device is installed in shell, the presence of guide groove
Two cambered surface elastic card claws are smoothly snapped by the guide function of two guide grooves on two positive stop lug boss respectively, are pacified
Dress is convenient.
Further, sunken shoulder is limited there are two being also symmetrical arranged at left and right sides of the lateral wall of the fixed seat, described in two
Limit sunken shoulder is located at the top of two position limiting slide blocks, and plane where two limit sunken shoulders is slided with two limits
Plane where block is mutually perpendicular to.Because fixed seat, during being gone out by ejection, ejection route is most likely not straight line, to
Cause blood taking needle to deviate, influence effect of having an acupuncture treatment, so in the present invention, above two position limiting slide blocks of fixed seat lateral wall, with
Two limit sunken shoulders are also symmetrical arranged where two position limiting slide blocks in the orthogonal plane of plane so that the top and the bottom of fixed seat
There is limiting component, during fixed seat is launched away, since the double limitation of limit sunken shoulder and position limiting slide block acts on,
The ejection route of fixed seat is in straight line, and the ejection route to which blood taking needle be effectively ensured is also straight line, ensures acupuncture treatment
The accuracy and acupuncture treatment effect of position.
Preferably, plane where two sliding slots is mutually perpendicular to plane where two cambered surface elastic card claws.This
Sample design ensures ejection route of the needle body ejector in ejection as far as possible also for ensureing that the overall structure of push away hair device is symmetrical
For straight line.
Working principle and beneficial effect：In the present invention, before transmission, needle body ejector is limited in push away hair device to hemostix
Between the bottom open end and spring of two sliding slots, at this point, two position limiting slide blocks of fixed seat lateral wall support in needle body ejector
In the bottom open end of two sliding slots, and it is at an angle between plane where plane where two position limiting slide blocks and two sliding slots,
So needle body ejector can be just limited between the bottom open end and spring of two sliding slots of push away hair device, and needle body bullet at this time
The syringe needle of the blood taking needle of emitter is located inside push away hair device；When needing blood sampling to puncture, push away hair device is had to one end of Needle outlet
It is aligned after acupuncture treatment skin and is pressed to skin direction with after skin contact, during pressing, two cambered surface elasticity of push away hair device
Claw is moved to from two positive stop lug boss on two positioning convex platforms, in the process of moving, due to two cambered surface bullets of push away hair device
Property the position that is contacted with housing interior side-wall of claw there is globoidal structure, and be dislocation relationship between positioning convex platform and positive stop lug boss,
So push away hair device can rotate an angle and could be moved to from positive stop lug boss on positioning convex platform by convex in the process of moving
Platform positions, and during rotation, two sliding slots in push away hair device also rotate therewith an angle, this angle of rotation just will
Plane Rotation is to same plane with where two sliding slots for plane where above-mentioned two position limiting slide block, and fixed seat is then in the effect of spring
Under, two position limiting slide blocks of lateral wall are ejected into two sliding slots and the quick bullet in Needle outlet direction along sliding slot to push away hair device
It penetrates, stops movement when the top that two position limiting slide blocks are moved to two sliding slots is blocked by the convex shoulder of sliding slot, at this time in fixed seat
Blood taking needle just also launched to Needle outlet, realize to the puncture purpose of Needle outlet external skin；It is tied puncturing
Shu Hou, fixed seat can rebound a distance to spring direction rapidly under the rebound effect of spring, and needle will be located at when will puncture
Blood taking needle syringe needle outside head outlet is brought back to inside push away hair device again.
As it can be seen that the hemostix in the present invention is before transmission, blood taking needle is always positioned inside push away hair device, effectively prevent medical care
Personnel or other people, which contact syringe needle, leads to cross-infection；After hemostix transmitting in piercing process, when the syringe needle of blood taking needle is by bullet
Just rapidly by skin penetrating after the Needle outlet of injection push away hair device, after puncture, the syringe needle of blood taking needle again can be rapidly by bullet
Spring rebounds in push away hair device, and patient can't see blood taking needle during entire puncture and after puncturing, and effectively prevent patient
The feared state of mind（Especially children）, the hemostix after use will not be exposed to outer because of blood taking needle and pierce the personnel's of collection
Hand, otherwise cross-infection；In blood sampling, it is only necessary to which push away hair device is had one end patch of Needle outlet right on the skin by medical staff
Acupuncture treatment can be realized in pressing afterwards, easy to operate；In addition, this hemostix structure is simple, securely and reliably.
Description of the drawings
Fig. 1 is the entirety sectional view of push type hemostix before transmission in embodiment 1；
Fig. 2 is the entirety sectional view of push type hemostix before transmission in embodiment 1；
Fig. 3 punctures entirety sectional view when state for push type hemostix in embodiment 1 after transmitting；
Fig. 4 punctures entirety sectional view when state for push type hemostix in embodiment 1 after transmitting；
Fig. 5 is entirety sectional view after push type hemostix punctures after transmitting in embodiment 1；
Fig. 6 is entirety sectional view after push type hemostix punctures after transmitting in embodiment 1；
Fig. 7 is the dimensional structure diagram of shell；
Fig. 8 is the three-dimensional cutaway view of shell；
Fig. 9 is the dimensional structure diagram of push away hair device；
Figure 10 is the dimensional structure diagram of push away hair device；
Figure 11 is the dimensional structure diagram of needle body ejector；
Figure 12 is the entirety sectional view of push type hemostix before transmission in embodiment 2；
Figure 13 is the entirety sectional view of push type hemostix before transmission in embodiment 2.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：
Present embodiments provide for a kind of push type hemostixes, such as Fig. 1 and 2, and the hemostix is mainly by shell 1, push away hair device 2 and needle
Body ejector 3 forms, and push away hair device 2 is located in shell 1, and before transmission, needle body ejector 3 is located at below push away hair device 2, is outer hemostix
Inside shell 1（Such as Fig. 1 and 2）, when hemostix punctures state after transmitting（Such as Fig. 3 and 4）And after puncturing（Such as Figures 5 and 6）,
Needle body ejector 3 is respectively positioned on inside push away hair device 2；As the madial wall left and right sides of Fig. 7 and 8, shell 1 are symmetrically vertically arranged two just
In the guide groove 103 of installation push away hair device 2, a positive stop lug boss 101 is respectively set in the underface of two guide grooves 103, is limited at two
The lower section of position boss 101 shifts to install a positioning convex platform 102 respectively, and two positive stop lug boss 101 are symmetrical arranged, two convexes
Platform 102 is also symmetrical arranged；Such as Fig. 9 and 10, push away hair device 2 is cylindrical structure, and top is offer Needle outlet 202 semiclosed
End, the Basolateral wall left and right sides are symmetrical arranged the cambered surface elastic card claws 201 of two and the cooperation of above-mentioned two guide groove 103, push away hair
The madial wall front and rear sides of device 2 are symmetrical arranged the sliding slot 103 of two bottom openings, two 103 place planes of sliding slot and two arcs
201 place plane of surface elastic claw is mutually perpendicular to；Such as Figure 11, needle body ejector 3 is made of fixed seat 301 and blood taking needle 302, Gu
The lateral wall front and rear sides of reservation 301 are symmetrical arranged two position limiting slide blocks 3011 coordinated with above-mentioned two sliding slot 103, are limiting
Two limit sunken shoulders 3012, and two limit sunken shoulders are symmetrical arranged above sliding block 3011, at left and right sides of the lateral wall of fixed seat 301
3012 place planes are mutually perpendicular to two 3011 place planes of position limiting slide block, and blood taking needle 302 is fixed on the axis of fixed seat 301
Line position, and backshank is located in fixed seat 301, syringe needle reaches outside fixed seat 301, and the bottom end of fixed seat 301 passes through spring 4
With the madial wall bottom end elastic connection of shell 1.
Before hemostix transmitting, as two cambered surface elastic card claws 201 of Fig. 1 and 2, push away hair device 2 are stuck in two positive stop lug boss
On 101, the fixed seat 301 of needle body ejector 3 be limited in the bottom open ends of two sliding slots 203 of push away hair device 2 and spring 4 it
Between, two position limiting slide blocks 3011 are against respectively on the bottom open end boss of two sliding slots 203, at this time two position limiting slide blocks 3011
At an angle between place plane and two 203 place planes of sliding slot, the syringe needle of blood taking needle 302 is located in push away hair device 2；It is taking a blood sample
After device transmitting in piercing process, as two cambered surface elastic card claws 201 of Fig. 3 and 4, push away hair device 2 are stuck in two positioning convex platforms 102
On, two position limiting slide blocks 3011 of fixed seat 301 are located in two sliding slots 203 in needle body ejector 3, at this time two limits
3011 place plane of sliding block is same plane with two 203 place planes of sliding slot, and two position limiting slide blocks 3011 are by two sliding slots
203 top convex shoulder blocks, and the blood taking needle 302 in fixed seat 301 is just also launched to Needle outlet 202, realization pair
The puncture purpose of 202 external skin of Needle outlet；After puncture, as the syringe needle of Figures 5 and 6, blood taking needle 302 is located at push away hair device
In 2.
The operation principle of this push type hemostix is as follows：When needing blood sampling to puncture, push away hair device 2 had into Needle outlet
202 one end is aligned after acupuncture treatment skin and is pressed to skin direction with after skin contact, during pressing, the two of push away hair device 2
A cambered surface elastic card claw 201 is moved respectively to from two positive stop lug boss 101 on two positioning convex platforms 102, in the process of moving,
Due to being dislocation relationship between positive stop lug boss 101 and positioning convex platform 102, and on the inside of two cambered surface elastic card claws 201 and shell 1
The position of wall contact is globoidal structure, so, push away hair device 2 in the process of moving can be with the cambered surface of cambered surface elastic card claw 201
Structure rotates an angle, and so that two cambered surface elastic card claw 201 from two positive stop lug boss 101 is moved to two positioning flat
It is limited on platform 1022, during rotation, two sliding slots 203 of 2 madial wall of push away hair device also rotate therewith an angle, turn
This dynamic angle is just by two position limiting slide blocks, the 3011 place plane and two 203 place planes of sliding slot in fixed seat 301
Same plane is turned to, due to the squeezing action of the bottom open end without sliding slot 203, adds 301 bottom bullet of fixed seat
The elastic force of spring 4 acts on, and two position limiting slide blocks 3011, which are taken advantage of a situation, to be ejected into two sliding slots 203 and along sliding slot 203 to push away hair device 2
202 direction of Needle outlet is quickly launched, and the blood taking needle 302 in fixed seat 301 is also quickly launched to outside Needle outlet 202 therewith
Portion realizes the acupuncture treatment purpose to 202 external skin of Needle outlet；After puncture, fixed seat 301 can be in the rebound of spring 4
It rebounds a distance to 4 direction of spring rapidly under force effect, the blood taking needle 302 when will puncture outside Needle outlet 202
Syringe needle is brought back to again inside push away hair device 2.
Embodiment 2：
Present embodiment is being further improved for embodiment 1, is mainly theed improvement is that：In the embodiment 1, it is desirable to take a blood sample
Device emit blood taking needle, it is only necessary to press lightly on push away hair device 2 and can be realized, when causing sometimes emit due to maloperation by
Push away hair device 2, blood taking needle 302 has been pressed to be emitted, blood taking needle 302 is in the state that can be emitted at any time, is easy quilt
Cross-infection, and it is dangerous；And drawbacks described above can be solved in the present embodiment, specifically：
As shown in Figures 12 and 13, the hemostix in present embodiment further includes that on both sides of the middle is symmetrical arranged two limit convex shoulders 501
Torsion bar 5, be in travel position in hemostix（The state of the hemostix before transmission in the embodiment 1 in other words）
When, the bottom end of torsion bar 5 is connect with the top breakpoint formula of fixed seat 301, and the free end of torsion bar 5 passes through the syringe needle at 2 top of push away hair device
It is exposed to outside push away hair device 2 and shell 1 behind outlet 202, two limit convex shoulders 501 are located inside push away hair device 2, and two limits
The upper surface of convex shoulder 501 is against the lower surface of 2 top Needle outlet 202 of push away hair device, that is to say, that is not needing hemostix transmitting
When, torsion bar 5 can by its own two limit convex shoulders 501 by two cambered surface elastic card claws 201 of push away hair device 2 always
Limit can not move in shell 1 on two positive stop lug boss 101；When needing hemostix to emit, the freedom of torsion bar 5 is pinched
End rotation, torsion bar 5 is connect with the breakpoint formula on 301 top of fixed seat and is twisted into two parts, and two limit 501 place Plane Rotations of convex shoulder are arrived
Torsion bar 5 is pulled out into push away hair device 2 after parallel with Needle outlet 202,5 hemostix of torsion bar detaches at this time, then presses lightly on again and pushes away hair
Two cambered surface elastic card claws 201 of device 2, push away hair device 2 could be moved to from two positive stop lug boss 101 on positioning convex platform 102, be realized
Transmitting to needle body transmitter 3, emission process is identical with embodiment 1, is not repeated herein.
In addition to more torsion bars 5, present embodiment is identical with embodiment 1, is not repeated herein.
The technical concepts and features of the above embodiment only to illustrate the invention, its object is to allow be familiar with technique
People cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent transformation or modification that Spirit Essence is done, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of push type hemostix, which is characterized in that including shell（1）, push away hair device（2）With needle body ejector（3）, described outer
Shell（1）Madial wall bottom at left and right sides of be symmetrical arranged two positive stop lug boss（101）With two positioning convex platforms（102）, two institutes
State positioning convex platform（102）It is located at two positive stop lug boss（101）Lower section side；The push away hair device（2）Positioned at described
Shell（1）It is interior, the push away hair device（2）To be symmetrical arranged two cambered surface elastic card claws at left and right sides of lateral wall bottom（201）, top
With blood taking needle（302）Needle outlet（202）Cylindrical structure；The needle body ejector（3）By fixed seat（301）And institute
State blood taking needle（302）Composition, the fixed seat（301）Bottom end pass through spring（4）It is fixed on the shell（1）Bottom；Institute
State blood taking needle（302）Backshank be fixed on the fixed seat（301）Axis line position, syringe needle reaches the fixed seat
（301）Needle outlet described in top and face（202）；
Hemostix before transmission, the push away hair device（2）Pass through two cambered surface elastic card claws（201）It is stuck in two limits
Boss（101）On, the fixed seat（301）It is limited in the push away hair device（2）Bottom end and the spring（4）Between, it is described
Blood taking needle（302）Syringe needle be located at the push away hair device（2）It is interior；Hemostix is after transmitting in piercing process, the push away hair device（2）It is logical
Cross two cambered surface elastic card claws（201）It is stuck in two positioning convex platforms（102）On, the fixed seat（301）Positioned at institute
State push away hair device（2）It is interior, the blood taking needle（302）Syringe needle stretch out the Needle outlet（202）；It is described to adopt after puncture
Blood needle（302）Syringe needle be located at the push away hair device（2）It is interior.
2. push type hemostix according to claim 1, which is characterized in that the push away hair device（2）Madial wall before and after two
Side is symmetrical arranged the sliding slot of two bottom openings（203）, the fixed seat（301）Lateral wall front and rear sides be symmetrical arranged two
With two sliding slots（203）The position limiting slide block of cooperation（3011）, hemostix before transmission, two position limiting slide blocks（3011）
It is against two sliding slots respectively（203）Bottom open end boss on；Hemostix is after transmitting in piercing process, described in two
Position limiting slide block（3011）It is located at two sliding slots（203）It is interior.
3. push type hemostix according to claim 1, which is characterized in that further include torsion bar（5）, the torsion bar（5）'s
On both sides of the middle is symmetrical arranged two limit convex shoulders（501）, hemostix is in travel position, the torsion bar（5）Bottom end with it is described
Fixed seat（301）Top breakpoint joint, the limit convex shoulder（501）Positioned at the push away hair device（2）It is internal and be against the needle
Head outlet（202）Lower surface on, hemostix is in emission state, the torsion bar（5）It is detached with the hemostix.
4. push type hemostix according to claim 1, which is characterized in that the shell（1）Madial wall at left and right sides of
Also symmetrically it is vertically arranged two and the cambered surface elastic card claw（201）The guide groove of cooperation（103）, the guide groove（103）It is engaged on
The positive stop lug boss（101）Surface.
5. push type hemostix according to any one of claim 2 to 4, which is characterized in that the fixed seat（301）'s
Sunken shoulder is limited there are two being also symmetrical arranged at left and right sides of lateral wall（3012）, two limit sunken shoulders（3012）Positioned at two institutes
State position limiting slide block（3011）Top, and two limit sunken shoulders（3012）Place plane and two position limiting slide blocks
（3011）Place plane is mutually perpendicular to.
6. push type hemostix according to any one of claim 1 to 4, which is characterized in that two sliding slots（203）
Place plane and two cambered surface elastic card claws（201）Place plane is mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501512.4A CN108420444B (en) | 2018-05-23 | 2018-05-23 | Push type hemostix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501512.4A CN108420444B (en) | 2018-05-23 | 2018-05-23 | Push type hemostix |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108420444A true CN108420444A (en) | 2018-08-21 |
| CN108420444B CN108420444B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810501512.4A Active CN108420444B (en) | 2018-05-23 | 2018-05-23 | Push type hemostix |
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| Country | Link |
|---|---|
| CN (1) | CN108420444B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938746A (en) * | 2019-03-29 | 2019-06-28 | 西安医学院 | A kind of high security puncture needle |
| CN110464362A (en) * | 2019-07-25 | 2019-11-19 | 淮安市天达医疗器械有限公司 | Push type hemostix |
| WO2020000128A1 (en) * | 2018-06-25 | 2020-01-02 | 陈亮 | Press-type blood collection device |
| CN111214244A (en) * | 2019-09-17 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
| WO2024098207A1 (en) * | 2022-11-07 | 2024-05-16 | 深圳华大智造科技股份有限公司 | Apparatus and method for collecting blood or other liquids of subject |
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| DE10053974A1 (en) * | 2000-10-31 | 2002-05-29 | Roche Diagnostics Gmbh | Blood collection system |
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| CN104490406A (en) * | 2014-12-22 | 2015-04-08 | 杭州普昂医疗科技有限公司 | Guide propelling mechanism and blood collecting needle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020000128A1 (en) * | 2018-06-25 | 2020-01-02 | 陈亮 | Press-type blood collection device |
| CN109938746A (en) * | 2019-03-29 | 2019-06-28 | 西安医学院 | A kind of high security puncture needle |
| CN109938746B (en) * | 2019-03-29 | 2021-10-15 | 西安医学院 | High-safety puncture needle |
| CN110464362A (en) * | 2019-07-25 | 2019-11-19 | 淮安市天达医疗器械有限公司 | Push type hemostix |
| CN111214244A (en) * | 2019-09-17 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
| CN111214244B (en) * | 2019-09-17 | 2022-09-13 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
| WO2024098207A1 (en) * | 2022-11-07 | 2024-05-16 | 深圳华大智造科技股份有限公司 | Apparatus and method for collecting blood or other liquids of subject |
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| CN108420444B (en) | 2024-04-16 |
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