CN108903953A - A kind of safety type blood collecting needle construction - Google Patents
A kind of safety type blood collecting needle construction Download PDFInfo
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- CN108903953A CN108903953A CN201810785229.9A CN201810785229A CN108903953A CN 108903953 A CN108903953 A CN 108903953A CN 201810785229 A CN201810785229 A CN 201810785229A CN 108903953 A CN108903953 A CN 108903953A
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- needle
- shell
- fixed link
- blood collecting
- bar fixed
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
-
- 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
- A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
- A61B5/150106—Means for reducing pain or discomfort applied before puncturing; desensitising the skin at the location where body is to be pierced
- A61B5/150152—Means for reducing pain or discomfort applied before puncturing; desensitising the skin at the location where body is to be pierced by an adequate mechanical impact on the puncturing location
-
- 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
-
- 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
- A61B5/15186—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
- A61B5/151—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
- A61B5/15188—Constructional features of reusable driving devices
- A61B5/15192—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing
- A61B5/15194—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing fully automatically retracted, i.e. the retraction does not require a deliberate action by the user, e.g. by terminating the contact with the patient's skin
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Pain & Pain Management (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of safety type blood collecting needle constructions, blood taking needle is immobilized in the shell by this safety type blood collecting needle construction, it can avoid unreasonable exposure of the blood taking needle when being not used, blood taking needle is pushed by triggering needle bar fixed link tail portion when blood taking needle uses, or easy breach is disconnected, blood taking needle can be pushed to pass through needle outlet, and blood was collected, this safety type blood collecting needle construction is simple, cost is cheap, the purpose for cooperating different structures to can reach one-handed performance and/or use with mating blood collecting pen, it can effectively ensure the operation of safety blood taking, the invention is used for medical instruments field.
Description
Technical field
The present invention relates to medical instruments fields, more particularly to a kind of safety type blood collecting needle construction.
Background technique
Current personal blood taking needle be it is disposable, be simply exactly in personal blood taking needle one piece of trigone iron plate or
There is fixed needle bar and facilitates the needle bar fixed link of grip, without limiting device, wound size and the depth caused by patient, completely
The qualification and experience that are operated by nursing staff determines.Pain is strong, enables some patientss escape because of fear, abandons taking a blood sample
It checks, prevent clinician only to go to issue therapeutic scheme with personal experience from obtaining inspection result, misdiagnosis rate is high, delays disease
Feelings.
Personal blood taking needle is mostly plastic foil or outside added with the simple packaging of a nut cap, transport, using, give up blood taking needle
During will appear plastic foil and pierce through or nut cap situations such as falling off, no external protection and lead to syringe needle exposure, accidentally injure behaviour
Author or the third party, strong, poor safety performance of keenly feeling, or even form haematogenous pollution.
But such blood taking needle is still used in most medical institutions due to cheap.
There is part individual's blood taking needle that can match with blood collecting pen, but personal blood taking needle need to be during installing and/or giving up
Exposed needle, because syringe needle exposure can accidentally injure operator, poor safety performance.And personal blood taking needle need to be placed on inside blood collecting pen, portion
Part patient brings blood in blood collecting pen into due to amount of bleeding is big, and the ejection of blood collecting pen, recovery part can not be replaced every time, carry out
Thoroughly there is also difficulties for cleaning, form the major hidden danger of blood cross contamination.
Have currently on the market using safety blood taking needle, is equipped with limiting device and external protection, it can be automatic after percussion
Retractable needles, it is disposable, it has a safety feature.But because its structure is complicated, component is more, manufacturing process is complicated, at high price, increase
The buying and use cost of hospital, it is difficult to it is universal, therefore only some infectious disease keypoint control mechanism or the good doctor of economic condition
Mechanism is treated to apply.
The blood taking needle that clinically a kind of structure of demand is simple, manufacture is easy, cheap, practical, safe.
Summary of the invention
To solve the above problems, the present invention provide a kind of structure it is simpler, it is cheap and can effective guarantee safety peace
Full formula blood sampling needle construction.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of safety type blood collecting needle construction, including shell, positioned at the intracorporal needle bar fixed link of shell and be fixed on needle bar and fix
The blood taking needle on bar top, the top of shell are equipped with needle outlet, and needle bar fixed link, which is detached from, to be arranged or between shell in enclosure interior
Equipped with the tie point for having easy breach, needle bar fixed link is equipped with the limiting device positioned at needle bar fixed link two sides, sets in shell
The resetting apparatus for having cooperation limiting device that needle bar fixed link is resetted is equipped with matched with shell tail end positioned at the tail end of shell
Adjutage, adjutage is interior to be equipped with detent of loading, and is equipped at least one detent of loading in adjutage.
It is further used as the improvement of technical solution of the present invention, resetting apparatus be in shell to housing bottom inclination or
It is parallel to the elastic rod of housing bottom.
It is further used as the improvement of technical solution of the present invention, and resetting apparatus is in shell to the inclined bullet in needle outlet side
Property bar, the two sides of elastic rod and resetting apparatus are equipped with grab.
It is further used as the improvement of technical solution of the present invention, and resetting apparatus is the reset between needle outlet and limiting device
Spring.
It is further used as the improvement of technical solution of the present invention, and resetting apparatus includes being set to needle bar fixed link two sides and to out
The elastic rod that side where needle mouth is opened, shell is interior to be equipped with inclination groove, and inclined slope opening's edge housing central section is received to side where needle outlet
Hold together.
It is further used as the improvement of technical solution of the present invention, and needle outlet two sides are located on shell and are equipped with shutoff damper, needle bar
The maximum width on fixed link top is greater than the maximum width of needle outlet.
It is further used as the improvement of technical solution of the present invention, is equipped with resetting block positioned at the two sides of needle bar fixed link in shell,
Each resetting block inner arc connected in star, the two sides of needle bar fixed link, which are equipped with, can be caught in the convex of arc groove when needle bar fixed link resets
It rises, arc groove is equipped with the notch that protrusion can be imported to arc groove.
It is further used as the improvement of technical solution of the present invention, and the tail end of needle bar fixed link, which is equipped with, resets folder, and resetting folder is two
Side symmetrically buckles bar, and each bar that buckles is equipped with the buckle towards inside.
It is further used as the improvement of technical solution of the present invention, and the tail end of needle bar fixed link is equipped with restorer, and restorer is prominent
The circular lid of needle bar fixed link tail end is arised from, the top of the embeddable blood collecting pen of circular lid is extracted with blood collecting pen and resetted.
It is further used as the improvement of technical solution of the present invention, and the bottom of shell is needle stand, and the tail end of needle bar fixed link is fixed
On needle stand, needle stand is equipped with bending mouth.
It is further used as the improvement of technical solution of the present invention, and the bottom opening of adjutage, the tail end positioned at adjutage is equipped with
The compound lock that compound lock hole is fixed on cooperation blood collecting pen.
It is further used as the improvement of technical solution of the present invention, compound lock be in adjutage symmetrically arranged two it is convex
Block.
It is further used as the improvement of technical solution of the present invention, is equipped with shell fixed card buckle positioned at the outside of shell.
It is further used as the improvement of technical solution of the present invention, and the tail end of needle bar fixed link is equipped with the trigger shaft to extend back.
It is further used as the improvement of technical solution of the present invention, the tail end of needle bar fixed link support plate with outward extension.
It is further used as the improvement of technical solution of the present invention, and the needle bar that guiding needle bar fixed link sliding is equipped in shell is fixed
Bar motion guide rail.
It is further used as the improvement of technical solution of the present invention, and shell is equipped with can be to extending out the skin tensioner stretched.
Beneficial effects of the present invention：Blood taking needle is immobilized in the shell by this safety type blood collecting needle construction, can avoid blood taking needle
Unreasonable exposure when being not used pushes blood taking needle by triggering needle bar fixed link tail portion when blood taking needle uses, or makes
Easy breach disconnects, and blood taking needle can be pushed to pass through needle outlet, and blood was collected, this safety type blood collecting needle construction is simple, cost is low
Purpose that is honest and clean, cooperating different structures to can reach one-handed performance and/or use with mating blood collecting pen can effectively ensure that safety is adopted
The operation of blood.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings：
Fig. 1 is first embodiment of the invention overall structure diagram；
Fig. 2 is second embodiment of the invention overall structure diagram；
Fig. 3 is third embodiment of the invention overall structure diagram；
Fig. 4 is fourth embodiment of the invention overall structure diagram；
Fig. 5 is manufacturing process schematic diagram of the embodiment of the present invention；
Fig. 6 is the first embodiment overall structure diagram of present invention cooperation blood taking needle use state；
Fig. 7 is the second embodiment overall structure diagram of present invention cooperation blood taking needle use state；
Fig. 8 is the 3rd embodiment overall structure diagram of present invention cooperation blood taking needle use state；
Fig. 9 is the fourth embodiment overall structure diagram of present invention cooperation blood taking needle use state；
Figure 10 is outline structure schematic diagram of the embodiment of the present invention.
Specific embodiment
Referring to Fig.1~Figure 10, the present invention is a kind of safety type blood collecting needle construction, including shell 1, the needle in shell 1
The top of stick fixed link 2 and the blood taking needle 8 for being fixed on 2 top of needle bar fixed link, shell 1 is equipped with needle outlet 11, needle bar fixed link 2
It is detached from the setting inside shell 1 or is equipped with the tie point for having easy breach 12 between shell 1, needle bar fixed link 2 is equipped with position
Limiting device 21 in 2 two sides of needle bar fixed link, the interior cooperation limiting device 21 that is equipped with of shell 1 reset needle bar fixed link 2
Resetting apparatus, positioned at the tail end of shell 1 be equipped with the matched adjutage 6 of 1 tail end of shell, detent 61 of loading is equipped in adjutage 6,
The detent 61 of loading of at least one is equipped in adjutage 6.
As preferred embodiment, at least a pair of symmetrical detent 61 of loading is equipped in each adjutage 6.
Blood taking needle 8 is fixed in shell 1 by this safety type blood collecting needle construction, can avoid blood taking needle not conforming to when being not used
Reason exposure pushes blood taking needle by triggering needle bar fixed link 2 when blood taking needle 8 uses, or easy breach 12 is disconnected, and can push away
Dynamic blood taking needle 8 passes through needle outlet 11, and blood was collected, this safety type blood collecting needle construction is simple, cost is cheap, cooperates different
The purpose that structure can reach one-handed performance and/or use with mating blood collecting pen can effectively ensure the operation of safety blood taking.
As a preferred embodiment of the present invention, blood taking needle 8 is acicular sharp object, can also be using other shapes such as blades
The sharp object of shape.
As a preferred embodiment of the present invention, the maximum width of limiting device 21 is greater than after needle bar fixed link falls off and is formed
The maximum width of hole.In this way, limiting device 21 both can control the thorn of blood taking needle 8 on triggering to go out length, to guarantee to take a blood sample
Needle 8 can rationally take a blood sample after piercing out, deviate from shell 1 from rear portion after the completion of blood sampling prevented also from blood taking needle 8, without to being taken a blood sample
Person, operator and scrap concrete person damage.
Meanwhile after the completion of blood sampling, resetting apparatus cooperation limiting device 21 may make blood taking needle 8 to return in shell 1, and keep away
Exempt from that cleaning is caused to bother, and the injury to operator and patient.
As a preferred embodiment of the present invention, resetting apparatus is in shell 1 to 1 bottom angled of shell or parallel
Elastic rod 3 in 1 bottom of shell.
As a preferred embodiment of the present invention, resetting apparatus is in shell 1 to the inclined elasticity in 11 side of needle outlet
The two sides of bar 3, elastic rod 3 and resetting apparatus are equipped with grab 13.
As a preferred embodiment of the present invention, resetting apparatus includes being set to 2 two sides of needle bar fixed link and to needle outlet
The elastic rod 3 of 11 places side opening, shell 1 is interior to be equipped with inclination groove 14, and inclination groove 14 is in the middle part of shell 1 to 11 institute of needle outlet
It is collapsed in side.
Under the setting form of this three kinds of resetting apparatuses, during blood taking needle 8 pierces out, elastic rod 3 compressed or by
It stretches, is pierced out after blood was collected in place in blood taking needle 8, elastic rod 3 replys original state under its own elastic reaction, is able to achieve
The perfect of blood taking needle 8 resets.
As a preferred embodiment of the present invention, resetting apparatus is the reset bullet between needle outlet 11 and limiting device 21
Spring 4.
A kind of setting form of resetting apparatus in the setting form and the present invention of reset spring 4, reset spring 4 is more
Stablize, can preferably realize reset of the blood taking needle 8 after blood sampling.
There are many ways of realization for the setting of resetting apparatus, can be by the way that associate member is arranged in needle bar fixed link 2, can also be in shell
Independent reset components are set in body 1 to realize the reset function of blood taking needle 8.
As a preferred embodiment of the present invention, 11 two sides of needle outlet are located on shell 1 and are equipped with shutoff damper, needle bar is fixed
The maximum width on 2 top of bar is greater than the maximum width of needle outlet 11.
Shutoff damper is horizontal baffle in 1 private side of shell to be set to needle outlet two sides, and shutoff damper is being taken a blood sample
Needle transmitting is when blood was collected, after blood taking needle is emitted by needle outlet 11, before needle bar fixed link 2 being blocked by shutoff damper
End, prevents the syringe needle of blood taking needle 8 excessively exposed.
The top of shutoff damper and needle bar fixed link 2 can be the annulus and cylinder of mutually matched different-diameter, preferably
It is less than the outer diameter of needle bar fixed link 2 for the internal diameter of needle outlet 11, shutoff damper is at least provided with one group.
Shutoff damper is preferably one group, and the shell 1 on 11 periphery of needle outlet and the front of needle bar fixed link 2 is arranged in, can also
Any part is arranged in shell 1, needle bar fixed link 2, it can also be that internal part and/or external components are set alone or in combination
Set the various devices for limiting the displacement of needle bar fixed link between shell 1 and needle bar fixed link 2.
The setting of shutoff damper can limit the maximum displacement of needle bar fixed link 2 well, control paracentesis depth, prevent
Syringe needle is excessively exposed.
As a preferred embodiment of the present invention, it is equipped with resetting block 5 positioned at the two sides of needle bar fixed link 2 in shell 1, it is each multiple
Position 5 inner arc connected in star 51 of block, the two sides of needle bar fixed link 2, which are equipped with, can be caught in arc groove 51 when needle bar fixed link 2 resets
Protrusion 52, arc groove 51 are equipped with the notch 53 that protrusion 52 can be imported to arc groove 51.
Blood taking needle 8 is resetted under the action of resetting apparatus, the setting of resetting block 5 can effectively to needle bar fixed link 2 into
Row resets limit, to prevent needle bar fixed link 2 from resetting excessively, in the reseting procedure of needle bar fixed link 2, and 2 liang of needle bar fixed link
In the embeddable arc groove 51 of protrusion 52 of side, the setting of notch 53 can reduce resetting block 5 to the protrusion of 2 two sides of needle bar fixed link
52 blocking, to facilitate protrusion 52 to slide into arc groove 51.The setting of resetting block 5 can also divide in needle bar fixed link 2 and shell 1
When from setting, play the role of fixed needle bar fixed link 2, keeps the state before firing of needle bar fixed link 2.
As a preferred embodiment of the present invention, the tail end of needle bar fixed link 2, which is equipped with, resets folder 22, and resetting folder 22 is two sides
Symmetrical buckle bar 221, each bar 221 that buckles is equipped with the buckle 222 towards inside.
As a preferred embodiment of the present invention, the tail end of needle bar fixed link 2 is equipped with restorer 23, and restorer 23 is protrusion
It extracts and resets with blood collecting pen in the top of the circular lid 231 of 2 tail end of needle bar fixed link, the embeddable blood collecting pen of circular lid 231.
As a preferred embodiment of the present invention, the bottom of shell 1 is needle stand, and the tail end of needle bar fixed link 2 is fixed on needle
On seat, needle stand is equipped with bending mouth 15.As preferred embodiment, bending mouth 15 is arranged in the two sides of needle stand, it is possible thereby to
More convenient assembling.Bending mouth 15 may also be arranged on other positions on shell at least provided with one.
The setting of bending mouth 15, can facilitate this blood sampling needle construction realize it is disposable complete injection molding or injection molding, in injection molding or
After the completion of person's injection molding, it is only necessary to which simple bending presses the assembling that safety blood taking needle product can be completed.
As a preferred embodiment of the present invention, the bottom opening of adjutage 6, the tail end positioned at adjutage 6 are equipped with cooperation
The compound lock 62 that compound lock hole is fixed on blood collecting pen.
As a preferred embodiment of the present invention, compound lock 62 is symmetrically arranged two convex blocks in adjutage 6,
Each convex block is one of taper, semicircle, trapezoidal, is also possible to other shapes.
This safety type blood collecting needle construction can cooperate blood collecting pen to use, at this point, the reset folder 22 of 2 tail end of needle bar fixed link setting
Or restorer 23 can be fixed with the cooperation of the top of blood collecting pen, after completing blood sampling by blood collecting pen, receive in blood collecting pen
During returning, it can be replied in the case where blood collecting pen withdraws active force with the needle bar fixed link 2 of blood collecting pen top secure fit.
During being that blood collecting pen is used cooperatively, detent of loading 61 and compound lock 62 preferably can be realized and be taken a blood sample
Being fixedly connected between pen, to guarantee better connection effect.
Detent 61 of loading is equipped in adjutage 6, at least provided with one, preferably two, two sides are symmetrically placed, in traverse
Strip bulk device is used cooperatively with the device that loads of specified blood collecting pen.For mistake of the blood taking needle 8 in conjunction with specified blood collecting pen
Compound slide bar rearward displacement is pushed in journey, achievees the purpose that load.After the completion of blood taking needle is in conjunction with specified blood collecting pen, remain multiple
Slide bar is closed in corresponding position, keeps state of loading.It will be loaded push rod under the thrust that bullet unloads spring by compound slide bar when bullet is unloaded
Blood collecting pen is pushed away forward.Detent of loading 61 can also use semicircle, trapezoidal or other shapes, and modes of emplacement can also be using perpendicular
Put, tiltedly put, it is asymmetric place etc. other modes of emplacement.
Compound lock 62 is equipped in this safety blood taking needle, at least provided with one, preferably two groups of taper bulk devices,
In up and down, symmetrically placing on adjutage 6, it is used cooperatively with the compound lock hole of specified blood collecting pen.With compound locking
When hole combines, as clamping device, an inward pressure is formed, blood taking needle and pen body are closely joined together.With it is compound
Lock hole cooperation achievees the purpose that keep loading state after bonding simultaneously and bullet unloads state.Cooperate with compound lock hole, is hitting
Achieve the purpose that bullet is kept to unload state after hair.Compound lock 62 can also use semicircle, trapezoidal or other shapes, placement side
Formula can also using place vertically, tiltedly put, it is asymmetric place etc. other modes of emplacement.
As a preferred embodiment of the present invention, shell fixed card buckle 7 is equipped with positioned at the outside of shell 1.Shell fixing card
Button 7 can also be placed between 1 inside of shell, shell 1 and needle stand.
As a preferred embodiment of the present invention, the tail end of needle bar fixed link 2 is equipped with the trigger shaft to extend back.Preferably
Cylinder facilitates manpower pressing and blood collecting pen percussion hammering hair, is also possible to other shapes.
As a preferred embodiment of the present invention, the tail end of needle bar fixed link 2 support plate with outward extension.Preferably
Two sides setting, as percussion fulcrum when facilitating operator's one-handed performance.
As a preferred embodiment of the present invention, the upper end of shell 1 is narrowed to top, and guiding needle bar is additionally provided in shell 1
The needle bar fixed link motion guide rail that fixed link 2 is slided.
As a preferred embodiment of the present invention, needle bar fixed link motion guide rail is equipped with amendment needle bar fixed link 2 and moves rail
The locator of mark, preferably more than two-stage, the positioning accuracy of junior's locator be higher than higher level's locator positioning accuracy.This implementation
Example uses three-level, respectively column locator, taper locator and plane locator.
Blood taking needle percussion after, needle bar fixed link 2 from easy knick point or from resetting block deviate from, along needle bar fixed link motion guide rail to
Front slide, needle bar fixed link 2 are introduced into column locator and tentatively correct 2 motion profile of needle bar fixed link, enter back into taper positioning
Device, for secondary fine tuning amendment 2 motion profile of needle bar fixed link to plumbness, entering back into plane positioning device ensures needle stand motion profile
To enable needle point and needle outlet be in plumbness, the prominent needle outlet of needle point completes percussion.
This safety type blood collecting needle construction is by setting trigger shaft and support plate, it can be achieved that the singlehanded percussion to blood taking needle.?
More preferably blood sampling effect can be reached with the cooperation of specified blood collecting pen by setting adjutage 6, compound lock 62 and detent 61 of loading,
It is general more preferably to can reach both singlehanded, blood collecting pens.
As a preferred embodiment of the present invention, be equipped with can be to extending out the skin tensioner 9 stretched for shell 1.
Skin tensioner 9 is located at the outside on 1 top of shell, and blood taking needle is in use, act against human skin for 1 top of shell
On, then skin tensioner 9 is pressed to both sides deformation expansion, can tighten the skin of blood sampling site.The setting of skin tensioner 9 can enable
Needle point, which more successfully punctures, enters tissue, the feeling of pain of patient when mitigating needle thorn.
The device of the invention, structure is simple, component is few, assembling is easy, high reliablity, and use is safe.By the way that bending is arranged
Portion and bayonet unit can disposably complete injection molding or injection molding, only need simple bending and pressing that the assembling of product can be completed.Significantly
Material is saved, process is reduced and reduces production cost, hence it is evident that mitigates medical institutions and patient's financial burden.
This blood sampling needle construction can reach percussion thorax and bullet on a key when matching with mating blood collecting pen and unload the quick of thorax
It loads function, operator is facilitated to operate.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent deformation or replacement can be also made under the premise of spirit, these equivalent variation or replacement are all contained in the application right
It is required that in limited range.
Claims (10)
1. a kind of safety type blood collecting needle construction, it is characterised in that：It is fixed including shell (1), the needle bar being located in the shell (1)
The top of bar (2) and the blood taking needle (8) for being fixed on needle bar fixed link (2) top, the shell (1) is equipped with needle outlet (11), institute
Needle bar fixed link (2) are stated to be detached from the setting inside shell (1) or be equipped with the connection for having easy breach (12) between shell (1)
Point, the needle bar fixed link (2) are equipped with the limiting device (21) positioned at needle bar fixed link (2) two sides, set in the shell (1)
Have cooperation limiting device (21) make needle bar fixed link (2) reset resetting apparatus, be located at the shell (1) tail end be equipped with
The matched adjutage of shell (1) tail end (6), interior be equipped with of the adjutage (6) are loaded detent (61), are set in the adjutage (6)
There is at least one detent of loading (61).
2. safety type blood collecting needle construction according to claim 1, it is characterised in that：It is located at needle outlet on the shell (1)
(11) two sides are equipped with shutoff damper, and the maximum width on needle bar fixed link (2) top is greater than the maximum width of needle outlet (11).
3. safety type blood collecting needle construction according to claim 1, it is characterised in that：The tail end of the needle bar fixed link (2)
(22) are pressed from both sides equipped with resetting, the reset folder (22) is monosymmetric buckle bar (221), and each buckle bar (221) is equipped with
Towards the buckle (222) of inside.
4. safety type blood collecting needle construction according to claim 1, it is characterised in that：The tail end of the needle bar fixed link (2)
Equipped with restorer (23), the restorer (23) is the circular lid (231) for being projected on needle bar fixed link (2) tail end, the circle
It extracts and resets with blood collecting pen in the top for covering (231) embeddable blood collecting pen.
5. safety type blood collecting needle construction according to claim 1, it is characterised in that：The bottom opening of the adjutage (6),
Tail end positioned at the adjutage (6) is equipped with the compound lock (62) that compound lock hole is fixed on cooperation blood collecting pen.
6. safety type blood collecting needle construction according to claim 5, it is characterised in that：The compound lock (62) is to prolong
Symmetrically arranged two convex blocks in semi-girder (6).
7. safety type blood collecting needle construction according to claim 1, it is characterised in that：It is set on the outside of the shell (1)
There are shell fixed card buckle (7).
8. safety type blood collecting needle construction according to claim 1, it is characterised in that：The tail end of the needle bar fixed link (2)
Equipped with the trigger shaft to extend back.
9. safety type blood collecting needle construction according to claim 1, it is characterised in that：The tail end of the needle bar fixed link (2)
Support plate with outward extension.
10. safety type blood collecting needle construction according to claim 1, it is characterised in that：The shell (1) is equipped with can be outside
Expand the skin tensioner (9) stretched.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014102157587 | 2014-05-21 | ||
| CN201410215758 | 2014-05-21 | ||
| CN201510026145 | 2015-01-20 | ||
| CN2015100261453 | 2015-01-20 | ||
| CN201510259891.7A CN104856698B (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510259891.7A Division CN104856698B (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108903953A true CN108903953A (en) | 2018-11-30 |
| CN108903953B CN108903953B (en) | 2021-07-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510259891.7A Active CN104856698B (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
| CN201510260856.7A Active CN104856699B (en) | 2014-05-21 | 2015-05-19 | A kind of bullet unloads formula blood collecting pen structure |
| CN201810785229.9A Active CN108903953B (en) | 2014-05-21 | 2015-05-19 | Safe blood taking needle structure |
| CN201520325229.2U Active CN204654955U (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
| CN201580025173.1A Active CN107072605B (en) | 2014-05-21 | 2015-05-19 | Bullet formula blood sampling pen structure of unloading |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510259891.7A Active CN104856698B (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
| CN201510260856.7A Active CN104856699B (en) | 2014-05-21 | 2015-05-19 | A kind of bullet unloads formula blood collecting pen structure |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520325229.2U Active CN204654955U (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
| CN201580025173.1A Active CN107072605B (en) | 2014-05-21 | 2015-05-19 | Bullet formula blood sampling pen structure of unloading |
Country Status (2)
| Country | Link |
|---|---|
| CN (5) | CN104856698B (en) |
| WO (1) | WO2015176644A1 (en) |
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| WO2016115941A1 (en) * | 2015-01-20 | 2016-07-28 | 胡绍勤 | Safe blood lancet structure |
| CN205338963U (en) * | 2015-01-20 | 2016-06-29 | 胡绍勤 | Safe blood -taking -needle structure |
| WO2017118109A1 (en) * | 2016-01-05 | 2017-07-13 | 胡绍勤 | Infusion tube |
| CN106483283A (en) * | 2016-11-28 | 2017-03-08 | 贝知（上海）信息科技有限公司 | A kind of diagnostic test system |
| CN107468289A (en) * | 2017-08-03 | 2017-12-15 | 宋瑞昕 | Imbedding tool |
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| CN107625526B (en) * | 2017-10-23 | 2019-08-23 | 苏州施莱医疗器械有限公司 | A kind of blood collecting pen for preventing maloperation from unloading needle |
| CN108514422B (en) * | 2018-05-22 | 2023-11-14 | 苏州施莱医疗器械有限公司 | Blood sampling pen with needle unloading protection |
| CN111214241A (en) * | 2019-05-12 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood sampling pen |
| CN110013257B (en) * | 2019-05-16 | 2024-07-19 | 王振民 | Four-hole type lower trigger safety hemostix |
| CN110141250B (en) * | 2019-05-28 | 2024-04-02 | 苏州施莱医疗器械有限公司 | Needle-type blood sampling pen without removing cap and with needle removing protection |
| CN110226937B (en) * | 2019-07-13 | 2024-02-20 | 淮安易捷科技有限公司 | Blood sampling pen convenient to assembly |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108903953B (en) | 2021-07-30 |
| CN107072605B (en) | 2020-07-21 |
| WO2015176644A1 (en) | 2015-11-26 |
| CN104856699B (en) | 2018-02-13 |
| CN104856699A (en) | 2015-08-26 |
| CN107072605A (en) | 2017-08-18 |
| CN104856698B (en) | 2018-08-28 |
| CN204654955U (en) | 2015-09-23 |
| CN104856698A (en) | 2015-08-26 |
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Effective date of registration: 20191225 Address after: 511300 No. 161 Yujing Road, Licheng Street, Zengcheng District, Guangzhou City, Guangdong Province Applicant after: Guangzhou Jian Fu Tang medical instruments Co., Ltd. Address before: 511399 10 East Lane 4, Tang Feng Road, Qingfeng Village, Licheng street, Zengcheng District, Guangzhou, Guangdong Applicant before: Guangzhou Rui Rui Cci Capital Ltd |
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