CN104856698B - A kind of safety type blood collecting needle construction - Google Patents
A kind of safety type blood collecting needle construction Download PDFInfo
- Publication number
- CN104856698B CN104856698B CN201510259891.7A CN201510259891A CN104856698B CN 104856698 B CN104856698 B CN 104856698B CN 201510259891 A CN201510259891 A CN 201510259891A CN 104856698 B CN104856698 B CN 104856698B
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- China
- Prior art keywords
- needle
- shell
- fixed link
- bar fixed
- blood collecting
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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
-
- 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
Abstract
The invention discloses a kind of safety type blood collecting needle constructions, needle bar fixed link including shell, in shell and the blood taking needle for being fixed on needle bar fixed link top, the top of shell is equipped with needle outlet, and needle bar fixed link, which is detached from, is arranged in enclosure interior or is equipped between shell the tie point for having easy breach.Blood taking needle is fixed in shell by this safety type blood collecting needle construction, it can avoid unreasonable exposure of the blood taking needle when being not used, when blood taking needle uses blood taking needle is pushed by triggering needle bar fixed link tail portion, or easy breach is disconnected, blood taking needle can be pushed to pass through needle outlet, and blood was collected, this safety blood taking needle is simple in structure, cost is cheap, the purpose for coordinating different structures to can reach one-handed performance and/or used with mating blood collecting pen, it can effectively ensure that the operation of safety blood taking, the invention are 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 technology
Current personal blood taking needle 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 be escaped 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 the additional simple packaging there are one block, transport, using, give up blood taking needle
During will appear plastic foil and pierce through or block situations such as falling off, no external protection and cause syringe needle to expose, 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 be matched 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, be carried 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 is complicated, component is more, manufacturing process is complicated, at high price, increase
The buying of hospital and use cost, it is difficult to it is universal, therefore the only good doctor of some infectious disease keypoint control mechanism or economic condition
Mechanism is treated to apply.
A kind of clinically blood taking needle simple in structure, manufacture is easy, cheap, practical, safe of demand.
Invention content
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, the needle bar fixed link in shell and be fixed on needle bar and fix
The top of the blood taking needle on bar top, shell is equipped with needle outlet, and needle bar fixed link, which is detached from, to be arranged in enclosure interior or between shell
Equipped with the tie point for having easy breach.
It is further used as the improvement of technical solution of the present invention, needle bar fixed link is equipped with the limit positioned at needle bar fixed link both sides
Position device, the interior resetting apparatus for being equipped with cooperation limiting device and needle bar fixed link being resetted of shell.
Be further used as the improvement of technical solution of the present invention, resetting apparatus be tilted to housing bottom in shell 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, resetting apparatus is in shell to the inclined bullet in needle outlet side
Property bar, the both 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, 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, resetting apparatus includes being set to needle bar fixed link both sides and to going out
The elastic rod that side where needle mouth is opened, interior be equipped with of shell tilt 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, being located at needle outlet both sides on shell is equipped with shutoff damper, needle bar
The maximum width on fixed link top is more than the maximum width of needle outlet.It is further used as the improvement of technical solution of the present invention, shell
Interior to be equipped with resetting block positioned at the both sides of needle bar fixed link, the both sides of each resetting block inner arc connected in star, needle bar fixed link are equipped in needle
Stick fixed link can be caught in the protrusion of arc groove when resetting, 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, the tail end of needle bar fixed link is equipped with to reset and press from both sides, and it is two to reset folder
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, 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 that circular lid can be embedded in blood collecting pen is extracted with blood collecting pen and resetted.
It is further used as the improvement of technical solution of the present invention, 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, the tail end for being located at shell is equipped with and the matched extension of shell tail end
Arm, adjutage is interior to be equipped with screens of loading, and at least one screens of loading is equipped in adjutage.
It is further used as the improvement of technical solution of the present invention, 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.
Be 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, the outside for being located at shell is equipped with shell fixed card buckle.
It is further used as the improvement of technical solution of the present invention, 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 support plate with outward extension of needle bar fixed link.
It is further used as the improvement of technical solution of the present invention, 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, shell is equipped with can be to extending out the skin tensioner stretched.
Beneficial effects of the present invention：Blood taking needle is fixed in 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, you can pushing blood taking needle to pass through needle outlet, blood was collected, this safety blood taking needle is simple in structure, cost is low
Purpose that is honest and clean, coordinating different structures to can reach one-handed performance and/or used with mating blood collecting pen can effectively ensure that safety is adopted
The operation of blood.
Description of the drawings
The invention will be further described below in conjunction with the accompanying 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 implementation mode
Referring to Fig.1~Figure 10, the present invention are 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 1 inside setting of shell or is equipped with the tie point for having easy breach 12 between shell 1.
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, you can pushes away
Dynamic blood taking needle 8 passes through needle outlet 11, and blood was collected, this safety blood taking needle is simple in structure, cost is cheap, coordinates different
The purpose that structure can reach one-handed performance and/or be used with mating blood collecting pen can effectively ensure the operation of safety blood taking.
As the preferred embodiment of the present invention, blood taking needle 8 is acicular sharp object, can also use other shapes such as blade
The sharp object of shape.
As the preferred embodiment of the present invention, the limit that needle bar fixed link 2 is equipped with positioned at 2 both sides of needle bar fixed link fills
21 are set, is equipped with cooperation limiting device 21 in shell 1 so that the resetting apparatus that needle bar fixed link 2 resets.
As the preferred embodiment of the present invention, the maximum width of limiting device 21 is formed after falling off more than needle bar fixed link
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 ensure 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 the preferred embodiment of the present invention, resetting apparatus is interior to 1 bottom angled of shell or parallel positioned at shell 1
Elastic rod 3 in 1 bottom of shell.
As the preferred embodiment of the present invention, resetting apparatus is in shell 1 to the inclined elasticity in 11 side of needle outlet
The both sides of bar 3, elastic rod 3 and resetting apparatus are equipped with grab 13.
As the preferred embodiment of the present invention, resetting apparatus includes being set to 2 both sides of needle bar fixed link and to needle outlet
The elastic rod 3 of 11 places side opening, interior be equipped with of shell 1 tilt groove 14, tilt groove 14 in the middle part of shell 1 to 11 institute of needle outlet
It is collapsed in side.
Herein under the setting form of 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, can realize
The perfect of blood taking needle 8 resets.
As the 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 resetting spring 4, resetting 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, also can be in shell
Independent reset components are set in body 1 to realize the reset function of blood taking needle 8.
It is located at 11 both sides of needle outlet as the preferred embodiment of the present invention, on shell 1 and is equipped with shutoff damper, needle bar is fixed
The maximum width on 2 top of bar is more 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 both 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, is arranged in the front of the shell 1 and needle bar fixed link 2 on 11 periphery of needle outlet, also may be used
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 needle bar fixed link displacement 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 the preferred embodiment of the present invention, it is equipped with resetting block 5 positioned at the both 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 both sides of needle bar fixed link 2 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
The protrusion 52 of side can be embedded in arc groove 51, and the setting of notch 53 can reduce protrusion of the resetting block 5 to 2 both 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 the preferred embodiment of the present invention, the tail end of needle bar fixed link 2, which is equipped with, resets folder 22, and it is both sides to reset folder 22
Symmetrical buckle bar 221, each bar 221 that buckles is equipped with the buckle 222 towards inside.
As the 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
In the circular lid 231 of 2 tail end of needle bar fixed link, the top that circular lid 231 can be embedded in blood collecting pen is extracted with blood collecting pen and is resetted.
As the 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 both 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 the preferred embodiment of the present invention, be located at shell 1 tail end be equipped with the matched adjutage 6 of 1 tail end of shell,
It is equipped with screens 61 of loading in adjutage 6, at least one screens 61 of loading is equipped in adjutage 6.As preferred embodiment,
At least a pair of symmetrical screens 61 of loading is equipped in each adjutage 6.
As the preferred embodiment of the present invention, the bottom opening of adjutage 6, the tail end for being located at adjutage 6 is equipped with cooperation
The compound lock 62 that compound lock hole is fixed on blood collecting pen.
As the preferred embodiment of the present invention, compound lock 62 is symmetrically arranged two convex blocks in adjutage 6,
Each convex block be taper, semicircle, it is trapezoidal in one kind, can also be other shapes.
This safety type blood collecting needle construction can coordinate 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, be received 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, loads screens 61 and compound lock 62 preferably can be realized and be taken a blood sample
Being fixedly connected between pen, to ensure better connection effect.
Screens 61 of loading is equipped in adjutage 6, at least provided with one, preferably two, both sides are symmetrically placed, in traverse
Strip bulk device is used cooperatively with the device that loads of specified blood collecting pen.The mistake combined with specified blood collecting pen for blood taking needle 8
Compound slide bar rearward displacement is pushed in journey, achievees the purpose that load.After the completion of blood taking needle is combined with specified blood collecting pen, remain multiple
Slide bar is closed in corresponding position, keeps state of loading.It will be loaded push rod by compound slide bar under the thrust that bullet unloads spring when bullet is unloaded
Blood collecting pen is pushed away forward.Screens 61 of loading can also use semicircle, trapezoidal or other shapes, modes of emplacement that can also use 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,
On adjutage 6 above and below, symmetrical placement, 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 coordinates, and achievees the purpose that keep loading state after bonding simultaneously and bullet unloads state.Coordinate 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 use place vertically, tiltedly put, it is asymmetric place etc. other modes of emplacement.
As the preferred embodiment of the present invention, the outside for being located at shell 1 is equipped with shell fixed card buckle 7.Shell fixing card
Button 7 can also be placed between 1 inside of shell, shell 1 and needle stand.
As the 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 human hand pressing and blood collecting pen percussion hammering hair, can also be other shapes.
As the preferred embodiment of the present invention, the tail end support plate with outward extension of needle bar fixed link 2.Preferably
Both sides are arranged, as percussion fulcrum when the person's of being conveniently operated one-handed performance.
As the 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 the preferred embodiment of the present invention, needle bar fixed link motion guide rail, which is equipped with, corrects 2 movement rail of needle bar fixed link
The locator of mark, preferably more than two-stage, the positioning accuracy of subordinate'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 movement locus of needle bar fixed link, enter back into taper positioning
Device, secondary fine tuning correct 2 movement locus of needle bar fixed link to plumbness, and entering back into plane positioning device ensures needle stand movement locus
To enable needle point and needle outlet be in plumbness, needle point protrudes needle outlet and completes percussion.
This safety type blood collecting needle construction is by being arranged trigger shaft and support plate, it can be achieved that the singlehanded percussion to blood taking needle.
Effect of more preferably taking a blood sample can be reached with the cooperation of specified blood collecting pen by the way that adjutage 6, compound lock 62 and screens 61 of loading is arranged,
It is general more preferably to can reach both singlehanded, blood collecting pens.
As the preferred embodiment of the present invention, shell 1 is equipped with can be to extending out the skin tensioner 9 stretched.
Skin tensioner 9 is located at the outside on 1 top of shell, and blood taking needle by 1 top of shell in use, act against human skin
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, it is simple in structure, component is few, assembling is easy, reliability is high, it is safe to use.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 being matched with mating blood collecting pen and unload the quick of thorax
It loads function, is conveniently operated personnel's operation.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made under the premise of spirit, these equivalent modifications or replacement are all contained in the application right
It is required that in limited range.
Claims (13)
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) is 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) both sides, are set in the shell (1)
There is cooperation limiting device (21) so that the resetting apparatus that needle bar fixed link (2) resets, the shell (1) is interior to be located at needle bar fixed link
(2) both sides are equipped with resetting block (5), each resetting block (5) inner arc connected in star (51), the both sides of the needle bar fixed link (2)
Equipped with the protrusion (52) that can be caught in arc groove (51) when needle bar fixed link (2) reset, the arc groove (51) is equipped with can
Raised (52) are imported to the notch (53) of arc groove (51).
2. safety type blood collecting needle construction according to claim 1, it is characterised in that：The resetting apparatus is positioned at shell
(1) to shell (1) bottom angled or the elastic rod (3) of shell (1) bottom is parallel in.
3. safety type blood collecting needle construction according to claim 1, it is characterised in that：The resetting apparatus is positioned at shell
(1) to the inclined elastic rod in needle outlet (11) side (3) in, the both sides of the elastic rod (3) and resetting apparatus are equipped with grab (13).
4. safety type blood collecting needle construction according to claim 1, it is characterised in that：The resetting apparatus is positioned at needle outlet
(11) resetting spring (4) between limiting device (21).
5. safety type blood collecting needle construction according to claim 1, it is characterised in that：The resetting apparatus includes being set to needle
Stick fixed link (2) both sides and the elastic rod (3) opened to side where needle outlet (11), interior be equipped with of the shell (1) tilt groove
(14), the inclination groove (14) is collapsed in the middle part of shell (1) to side where needle outlet (11).
6. 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) both sides are equipped with shutoff damper, and the maximum width on needle bar fixed link (2) top is more than the maximum width of needle outlet (11).
7. 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.
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 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 that lid (231) can be embedded in blood collecting pen.
9. 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 is shell fixed card buckle (7).
10. 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.
11. 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.
12. safety type blood collecting needle construction according to claim 1, it is characterised in that：Guide pin is equipped in the shell (1)
The needle bar fixed link motion guide rail of stick fixed link (2) sliding.
13. 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.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510259891.7A CN104856698B (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
| CN201810785229.9A CN108903953B (en) | 2014-05-21 | 2015-05-19 | Safe blood taking needle structure |
| PCT/CN2015/094498 WO2016115941A1 (en) | 2015-01-20 | 2015-11-12 | Safe blood lancet structure |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215758 | 2014-05-21 | ||
| CN2014102157587 | 2014-05-21 | ||
| CN2015100261453 | 2015-01-20 | ||
| CN201510026145 | 2015-01-20 | ||
| CN201510259891.7A CN104856698B (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810785229.9A Division CN108903953B (en) | 2014-05-21 | 2015-05-19 | Safe blood taking needle structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104856698A CN104856698A (en) | 2015-08-26 |
| CN104856698B true CN104856698B (en) | 2018-08-28 |
Family
ID=53903208
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| 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 |
| CN201510259891.7A Active CN104856698B (en) | 2014-05-21 | 2015-05-19 | A kind of safety type blood collecting needle construction |
| CN201810785229.9A Active CN108903953B (en) | 2014-05-21 | 2015-05-19 | Safe blood taking needle structure |
| CN201510260856.7A Active CN104856699B (en) | 2014-05-21 | 2015-05-19 | A kind of bullet unloads formula blood collecting pen structure |
Family Applications Before (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 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810785229.9A Active CN108903953B (en) | 2014-05-21 | 2015-05-19 | Safe blood taking needle structure |
| CN201510260856.7A Active CN104856699B (en) | 2014-05-21 | 2015-05-19 | A kind of bullet unloads formula blood collecting pen structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (5) | CN204654955U (en) |
| WO (1) | WO2015176644A1 (en) |
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| CN204654955U (en) * | 2014-05-21 | 2015-09-23 | 胡绍勤 | A kind of safety type blood collecting needle construction |
| CN105640572B (en) * | 2015-01-20 | 2018-08-31 | 广州市酷跑计算机科技有限公司 | A kind of safety type blood collecting needle construction |
| CN112155563A (en) * | 2015-01-20 | 2021-01-01 | 广州市健之堂医疗器械有限公司 | Safe blood taking needle structure |
| WO2017118108A1 (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 |
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| CN107334479B (en) * | 2017-08-04 | 2023-08-18 | 深圳依洛科特医疗科技有限公司 | Ejection control mechanism for blood taking needle |
| 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 |
| 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 |
| CN115245331A (en) * | 2019-08-31 | 2022-10-28 | 深圳硅基传感科技有限公司 | Pushing device for medical instrument |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104856699A (en) | 2015-08-26 |
| CN204654955U (en) | 2015-09-23 |
| CN107072605A (en) | 2017-08-18 |
| CN107072605B (en) | 2020-07-21 |
| CN104856699B (en) | 2018-02-13 |
| WO2015176644A1 (en) | 2015-11-26 |
| CN108903953B (en) | 2021-07-30 |
| CN104856698A (en) | 2015-08-26 |
| CN108903953A (en) | 2018-11-30 |
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Effective date of registration: 20191223 Address after: 511300 No. 161 Yujing Road, Licheng Street, Zengcheng District, Guangzhou City, Guangdong Province Patentee 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 Patentee before: Guangzhou Rui Rui Cci Capital Ltd |