CN102204822A - Blood taking device - Google Patents
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- CN102204822A CN102204822A CN 201110142922 CN201110142922A CN102204822A CN 102204822 A CN102204822 A CN 102204822A CN 201110142922 CN201110142922 CN 201110142922 CN 201110142922 A CN201110142922 A CN 201110142922A CN 102204822 A CN102204822 A CN 102204822A
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- 239000008280 blood Substances 0.000 title claims abstract description 264
- 210000004369 blood Anatomy 0.000 title claims abstract description 261
- 238000010241 blood sampling Methods 0.000 claims description 167
- 238000009527 percussion Methods 0.000 claims description 43
- 238000013461 design Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 238000010304 firing Methods 0.000 description 7
- 230000004224 protection Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 206010011409 Cross infection Diseases 0.000 description 4
- 206010029803 Nosocomial infection Diseases 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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Abstract
The invention provides a blood taking device and an application method thereof. The blood taking device is composed of a blood taking needle and a blood taking pen. The blood taking pen is composed of a disposable blood taking pen cap and a reusable blood taking pen holder. The handle of the blood taking needle is provided with a guide pillar, the needle head seat of the blood taking pen holder and a blood taking pen container are correspondingly provided with guide slots, and the blood taking needle can be arranged on the blood taking pen holder. The blood taking pen cap is provided with the guide slot, thus running space of the blood taking needle in a blood taking process can be guaranteed. After the blood is taken, the guide pillar on the blood taking needle is embedded at the special part of the guide slot of the blood taking pen cap, and the blood taking needle can be fixed in the blood taking pen cap. The blood taking pen cap can be removed along with the blood taking needle when being picked off. The blood taking needle is arranged on the blood taking pen holder, and the blood taking needle cap is operated to cause the blood taking pen holder to be about to be triggered. The blood taking pen container is provided with a blood taking pen cap clamp used for fixing the blood taking pen cap. The blood taking pen cap clamp moves on the blood taking pen container in a screwing way, thus relative position between the blood taking pen cap and the blood taking needle can be regulated, and the needling depth in the blood taking process can be regulated.
Description
Technical field
The present invention relates to a kind of blood-taking device and corresponding using method, this blood-taking device is made up of blood taking needle and blood collecting pen.This blood-taking device can be used for using when hospital, clinic and personal user obtain the tip capillary blood.
Background technology
At present, in medical blood sampling device, adopt the matching used mode of disposable blood taking needle and blood collecting pen more.Such blood sampling device is made up of blood taking needle and blood collecting pen two parts, and blood taking needle is made up of the needle handle and the pin medicated cap of band needle body, and is simple in structure, disposable use.Blood collecting pen is as establishing a cover percussion unit in a kind of discharger, and is reusable.During use, disposable blood taking needle is contained in the blood collecting pen head, takes off disposable blood taking needle after the emission, load onto new blood taking needle then and reuse.
But consider that from safety perspective there is a common safety problem in disposable blood taking needle at present.Because the needle point of this blood taking needle exposes, and is easy to cause medical personnel to be injured cross infection, also can stab human body after the abandonment and cause cross infection.Though a lot of blood taking needles have pin lid or pin medicated cap, usually blood taking needle with after be not used, cause potential harm.In addition, Chang Gui blood collecting pen can repeat its transmission after having adorned a blood taking needle in the market, easy like this because medical personnel's carelessness causes cross infection, particularly many patient, work rhythm is fast or high-strung situation under.
For addressing this problem, the disposable automatic blood-taking needle with discharger has appearred in market, and after the blood taking needle emission, nook closing member will be lockable, and make blood taking needle can only use once, can guarantee safe in utilization.But this class blood taking needle is compared with traditional method, has significantly to improve on manufacturing cost and use cost.And want whole discarded after this disposable blood taking needle uses, waste resource, do not meet the theory of energy-conserving and environment-protective.
In order to realize high safety, prevent cross infection, with low cost, wieldy purpose is now released a kind of new blood-taking device.
Summary of the invention
The present invention proposes a kind of blood-taking device and corresponding using method.
This blood-taking device is made up of blood taking needle and blood collecting pen, and is separate.This blood collecting pen is made up of the blood sampling cap for brush and blood sampling penholder, and this blood sampling cap for brush is disposable, and this blood sampling penholder is reusable.This blood sampling penholder comprises the needle holder that is used to install blood taking needle, percussion unit and blood sampling pen container and the blood sampling cap for brush clip that is used to pull the trigger blood taking needle.This blood taking needle is the conventional handle blood taking needle of moulding, blood taking needle is made up of needle handle and the pin that is embedded in wherein, on this needle handle guide pillar is arranged, on the needle point of this blood taking needle blood taking needle cap is arranged, guide pillar on this blood taking needle needle handle is cylindrical or the multi-edge column-shaped of multiple shape projection is arranged, guide pillar quantity on this blood taking needle needle handle is 2 or 3 or 4 or 5 or 6, and guide pillar is vertical or favour blood taking needle needle handle surface.Corresponding design guide groove on the needle holder of blood sampling penholder and blood sampling pen container can be installed in blood taking needle on the blood sampling penholder, and allows the blood taking needle guide pillar to move in guide groove to finish blood sampling.This also designs above blood sampling cap for brush has guide groove, the shape of its main part and structure to satisfy the installation of blood taking needle guide pillar and the requirement of operation.After once the blood sampling action is finished,, the blood sampling cap for brush must be removed from blood collecting pen in order to install and operate blood taking needle.Removing blood sampling during the cap for brush, by with the guide pillar incarceration on the blood taking needle in the specific part of the guide groove of the blood sampling cap for brush, blood taking needle is fixed and is wrapped in the blood sampling cap for brush removing in the lump.The percussion unit of blood sampling penholder must make the blood sampling penholder reach the percussion state for the treatment of by the operation blood taking needle cap after on the blood sampling penholder blood taking needle being installed.
The percussion unit of blood sampling penholder can adopt but be not limited to adopt conventional design.Conventional design is that the driving lever that will be connected the needle holder back is limited in the blood sampling pen container, reaches back spring abutment and resilience spring by drive spring and can make driving lever finish percussion to blood taking needle.This qualification also makes needle holder and the driving lever can only rectilinear motion, and can not rotate.
At blood sampling pen container peripheral hardware meter assembling blood sampling cap for brush clip, can be buckled on the blood sampling pen container by spiral shell and move, be used to regulate the relative position of the blood sampling cap for brush and blood taking needle, thereby regulate the degree of depth that blood taking needle thrusts blood sampling site.Leave the space between the part of blood sampling cap for brush clip and blood sampling pen container, can hold the part of blood collecting pen cap sleeve on the blood sampling pen container, play the effect of the fixing blood sampling cap for brush.After blood sampling cap for brush clip also makes blood taking needle be installed in the needle holder, can't make the blood sampling penholder enter the percussion state for the treatment of by the guide pillar of operation blood taking needle.
The guide groove of blood sampling above the cap for brush can have cross, " word " shape or T-shaped etc.Guide groove can connect the blood sampling cap for brush, also can be fluting but do not connect on blood sampling cap for brush inwall.The main part of guide groove can guarantee the running space of blood taking needle when blood sampling.Guide groove specific part design width less than the blood taking needle guide pillar outside the bayonet socket of diameter of section, be used to limit with the incarceration blood taking needle on guide pillar.When removing the blood sampling cap for brush from blood collecting pen, can blood taking needle be fixed and be wrapped in the blood sampling cap for brush by of the incarceration effect of blood taking needle guide pillar with blood sampling cap for brush guide groove specific part.When taking the blood sampling cap for brush, can remove in the lump like this together with blood taking needle; And taken a blood sample cap for brush parcel of blood taking needle, the problem of hurting sb.'s feelings after can not abandoning.The specific part of so-called blood sampling cap for brush upper rail is meant other position of removing the guide groove that satisfies the smooth and easy operation of blood taking needle position; The bayonet socket of guide groove specific part must could pass through the guide pillar on the blood taking needle by reinforcing, and qualification and the incarceration effect of cap for brush upper rail to the blood taking needle upper guide post so just can realize taking a blood sample.
After blood taking needle is installed on the blood sampling penholder, be to make the blood sampling penholder be in the percussion state for the treatment of by the pin medicated cap that promotes blood taking needle.By design to blood taking needle length, needle holder and blood sampling pen container and percussion unit relative position, after making blood taking needle be installed in the needle holder, the front end of the needle handle of blood taking needle is apart from the length and the equal in length of blood sampling pen container front end apart from the bayonet socket of blood sampling pen container of the unitary flexure strip block tongue of percussion; Make and have only when the needle handle of blood taking needle is pushed the blood sampling pen container fully, pull the trigger the bayonet socket that unitary flexure strip block tongue just can snap in the blood sampling pen container, make the blood sampling penholder be in the percussion state for the treatment of.The blood collecting pen probability that repeats to pull the trigger is eliminated like this, changes unless carry out blood taking needle.The blood sampling penholder be in treat the percussion state after, remove the pin medicated cap of blood taking needle, the cap for brush of will take a blood sample is contained on the blood sampling penholder, the guide pillar on the blood taking needle can be contained in the main part of blood sampling cap for brush guide groove, and can the smooth and easy mobile blood sampling of finishing.
Behind the firing button of pressing on the blood sampling penholder, the percussion unit launches out blood taking needle finishes blood sampling.Blood taking needle and blood sampling site disengage afterwards, and whole percussion unit is in relaxation state.The degree of depth that blood taking needle thrusts can be by the blood sampling cap for brush clip on the blood sampling penholder, and the yardstick that control blood collecting pen cap sleeve is contained on the blood sampling penholder is regulated.
After blood sampling is finished, for blood sampling next time must be taken the blood sampling cap for brush, change blood taking needle, just can make the percussion unit be in the percussion state for the treatment of.Take the process of the blood sampling cap for brush, can remove exhausted blood taking needle simultaneously.Owing to operate by the protection of the blood sampling cap for brush fully, so there is not injury possible when changing blood taking needle to user.The cap for brush of taking a blood sample is simultaneously finished the fixing and parcel to blood taking needle by the incarceration of the guide pillar on its guide groove specific part and the blood taking needle, makes it can not cause injury to the people after abandoning.
By the above design and use method, make blood sampling each time only need to change the blood taking needle and the blood sampling cap for brush, the other parts of blood-taking device can be reused.No matter blood taking needle or blood collecting pen are simple in structure, easy to manufacture, with existing manufacturing technology and process compatible, produce easily.So not only reach the mandatory disposable use of blood taking needle, and with the band discharger disposable automatic blood-taking needle compare, because the blood sampling penholder is reusable, and the cost of a disposable blood taking needle and the cap for brush of taking a blood sample is very low, therefore the use cost of this blood-taking device is very low, has avoided the drawback of conventional construction blood taking needle and blood collecting pen function simultaneously, relieve patient ' s burden, simultaneously also avoid some unnecessary wastes, can be subjected to comprising hospital, clinic and personal user's welcome.
Description of drawings
Fig. 1 is the structure schematic side view of blood-taking device of the present invention.
Fig. 2 A is the structure schematic side view of blood taking needle of the present invention.
Fig. 2 B is the structural upright sketch map of blood taking needle of the present invention.
Fig. 3 is pen container in the blood collecting pen of the present invention and guide barrel construction, needle holder and guide barrel construction schematic perspective view.
Fig. 4 A is the present invention's cap for brush yoke configurations schematic side view of taking a blood sample.
Fig. 4 B is the present invention's cap for brush yoke configurations schematic perspective view of taking a blood sample.
Fig. 5 A pulls the trigger the cellular construction schematic side view for the present invention, demonstration be that the percussion unit enters the structure for the treatment of before the percussion state.
Fig. 5 B pulls the trigger the cellular construction schematic perspective view for the present invention, demonstration be the percussion unit be in the structure of waiting the state of pulling the trigger.
Fig. 5 C is terminal rectangular aperture structure of pen container in the blood collecting pen of the present invention and driving lever structural upright sketch map.
Fig. 6 A is the take a blood sample first example structure schematic perspective view of guide groove of the cap for brush of the present invention.
Fig. 6 B is the take a blood sample first example structure schematic side view of guide groove of the cap for brush of the present invention.
Fig. 7 A is the take a blood sample second example structure schematic perspective view of guide groove of the cap for brush of the present invention.
Fig. 7 B is the take a blood sample second example structure schematic side view of guide groove of the cap for brush of the present invention.
Fig. 8 A is take a blood sample the 3rd example structure schematic perspective view of guide groove of the cap for brush of the present invention.
Fig. 8 B is take a blood sample the 3rd example structure schematic side view of guide groove of the cap for brush of the present invention.
Fig. 9 A be have first embodiment guide groove the blood sampling cap for brush with the blood sampling penholder the socket join structure schematic perspective view, demonstration be the structure of blood collecting pen when waiting to pull the trigger state.
Fig. 9 B is the socket join structure schematic perspective view of the blood sampling cap for brush and blood sampling penholder that has the guide groove of first embodiment, demonstration be the state of the incarceration of guide pillar in blood sampling cap for brush guide groove on the blood taking needle of blood collecting pen percussion back.
Figure 10 A be have second embodiment guide groove the blood sampling cap for brush with the blood sampling penholder the socket join structure schematic perspective view, demonstration be the structure of blood collecting pen when waiting to pull the trigger state.
Figure 10 B is the socket join structure schematic perspective view of the blood sampling cap for brush and blood sampling penholder that has the guide groove of second embodiment, demonstration be the state of the incarceration of guide pillar in blood sampling cap for brush guide groove on the blood taking needle of blood collecting pen percussion back.
Figure 11 is in the operation chart of waiting the state of pulling the trigger for the hand propelled blood taking needle cap makes the blood sampling penholder.
Figure 12 A is the structure schematic side view that is in the blood collecting pen of waiting the state of pulling the trigger that has the cap for brush of taking a blood sample.
Figure 12 B is the structural upright sketch map that is in the blood collecting pen of waiting the state of pulling the trigger that has the cap for brush of taking a blood sample.
Wherein, being described as follows Reference numeral:
10---blood taking needle; 11---needle handle; 12---guide pillar; 13---blood taking needle cap.
20---blood collecting pen; 21---the blood sampling penholder; 22---pen container in the blood collecting pen; 221---the guide groove in the blood collecting pen on the pen container 22; 222---the bayonet socket of pen container 22 in the blood collecting pen; 223---the rectangular aperture of pen container 22 in the blood collecting pen; 23---the outer pen container of blood collecting pen; 24---needle holder; 241---the guide groove on the needle holder 24; 25---the percussion unit; 251---driving lever; 252---flexure strip; 253---the flexure strip block tongue; 254---drive spring; 255---return spring abutment; 256---the resilience spring; 257---firing button; 26---blood sampling cap for brush clip.
30---the blood sampling cap for brush; 311---the cross guide groove; 311-1---the vertical structure of cross guide groove 311; 311-2---the transversary of cross guide groove 311; 312---" word " shape guide groove; One of vertical structure of 312-1---" word " shape guide groove 312; Two of the vertical structure of 312-2---" word " shape guide groove 312; One of transversary of 312-3---" word " shape guide groove 312; Two of the transversary of 312-4---" word " shape guide groove 312; 313--T-shaped guide groove; 313-1---the vertical structure of T-shaped guide groove 313; 313-2---the transversary of T-shaped guide groove 313.
The specific embodiment
As shown in Figure 1, this blood-taking device is made up of blood taking needle 10 and blood collecting pen 20, and is separate.This blood collecting pen 20 is made up of the blood sampling cap for brush 30 and blood sampling penholder 21, and this blood sampling cap for brush 30 is disposable, and this blood sampling penholder 21 is reusable.This blood sampling penholder 21 is by forming with the lower part: columnar blood sampling pen container, pen container 22 and outer pen container 23 in comprising; Needle holder 24; Percussion unit 25, this percussion unit 25 comprise driving lever 251, flexure strip 252, flexure strip block tongue 253, drive spring 254, return spring abutment 255, resilience spring 256 and firing button 257; Blood sampling cap for brush clip 26.
This blood taking needle 10 is the conventional handle blood taking needle of moulding, and described blood taking needle is made up of the needle handle 11 of macromolecular material and metal or the nonmetal pin that is embedded in wherein.Correct position design guide pillar structure 12 at needle handle.Guide pillar 12 can also can favour the needle handle surface perpendicular to the needle handle surface, and for example guide pillar 12 can be 30 degree, 45 degree or 60 degree with the angle that the needle handle surface constitutes; Can be cylindrical, also can be the multi-edge column-shaped that multiple structural protrusions is arranged.Guide pillar 12 length, diameter can be fixed on the blood sampling penholder 21 and the blood sampling cap for brush 30 with blood taking needle and be advisable.Preferably 2 of guide pillar quantity, and along the central shaft symmetry of blood taking needle; Also can be 3,4,5 or 6, require design to determine according to reality.In this embodiment for convenience of explanation, with 2 be that example describes perpendicular to needle handle 11 surface and along the symmetric cylindrical guide pillar 12 of the central shaft of blood taking needle 10, shown in Fig. 2 A and Fig. 2 B.The quantity of actual guide pillar 12, shape and the position on needle handle 11 and the design of angle are not limited to above-mentioned explanation.Blood taking needle cap 13 protections are arranged on the needle point of blood taking needle 10.
With the supporting blood sampling penholder 21 of this design blood taking needle 10 corresponding design guide groove 221 and 241 on pen container 22 and the needle holder 24 in blood collecting pen, as shown in Figure 3. Guide groove 221 and 241 width and length are close, satisfy blood taking needle 10 installations and guide pillar 12 and move requirement smoothly therein.
Shown in Fig. 4 A and Fig. 4 B, this blood sampling cap for brush clip 26 is assemblied in outside the interior pen container 22 of blood collecting pen, can be buckled in the blood collecting pen by spiral shell and move on the pen container 22, is used for regulating the blood sampling cap for brush 30 and the relative position that is installed in the blood taking needle 10 of needle holder 24.22 of pen containers leave the space in the front end of blood sampling cap for brush clip 26 and the blood collecting pen, can hold the blood sampling cap for brush 30 and be enclosed within the part on the pen container 22 in the blood collecting pen, play the effect of the fixing blood sampling cap for brush 30.After blood sampling cap for brush clip 26 also makes blood taking needle 10 be installed in the needle holder 24, can't make blood sampling penholder 21 enter the percussion state for the treatment of by operation guide pillar 12.
The driving lever 251 of these blood sampling penholder 21 percussion unit 25 is limited in the interior pen container 22 of blood collecting pen, by flexure strip 252, flexure strip block tongue 253, drive spring 254, return spring abutment 255, resilience spring 256 and firing button 257 and finish percussion, shown in Fig. 5 A and Fig. 5 B blood taking needle 10.Flexure strip block tongue 253 on the driving lever 251 in position snaps in the bayonet socket 222 of pen container 22 in the blood collecting pen.Driving lever 251 is designed to tabular routinely, and a part passes by the rectangular aperture 223 of 22 ends of pen container in the blood collecting pen, shown in Fig. 5 C.223 pairs of driving levers 251 of rectangular aperture play position-limiting action, make driving lever 251 do rectilinear motion along particular course, and can not rotate.Such design also makes the needle holder 24 that is connected on the driving lever 251 not rotate, can only rectilinear motion.Here the description of percussion unit 25 is carried out according to existing universal design, unitary operation principle of other percussion that can adopt and structure also have a lot, can use in the device that the present invention narrated by suitable improvement.About control method, also can adopt other design to the driving lever 251 and the needle holder direction of motion.
The outer pen container 23 of blood collecting pen can by spiral shell buckle or other mode be fixedly mounted on the pen container 22, play the effect of protection and restriction driving lever 251.Outer pen container 23 of blood collecting pen and interior pen container 22 are together formed the blood sampling pen container.
The blood sampling cap for brush 30 adopts macromolecular material by disposable requirement manufacturing, can be sleeved on the blood sampling penholder 21.The difform guide groove of design above the blood sampling cap for brush 30 is as cross guide groove 311, " word " shape guide groove 312 or T-shaped guide groove 313, shown in Fig. 6 A, Fig. 6 B, Fig. 7 A, Fig. 7 B, Fig. 8 A, Fig. 8 B.Guide groove can connect the blood sampling cap for brush, also can be fluting but do not connect on blood sampling cap for brush inwall.What Fig. 6 A-Fig. 8 B showed is the structure that blood sampling cap for brush guide groove connects the blood sampling cap for brush.The width of guide groove 311,312 or 313 main parts to be allowing the guide pillar 12 smooth and easy standard design that operate to, but at the structure of specific part then by limiting or the requirement of incarceration guide pillar 12 designs.For convenience of explanation, respectively the part of the different orientation in the guide barrel construction is distinguished and named.The part that centrage in the guide barrel construction is parallel to blood sampling cap for brush long axis direction is called the vertical structure of guide groove, is called transversary perpendicular to the part of long axis direction.The intake section width of the transversary of guide groove forms bayonet arrangement less than the diameter of the cross section of guide pillar.In Fig. 6 A, Fig. 6 B, under cross guide groove 311 situations of first embodiment, the guide pillar 12 of blood taking needle 10 is along the vertical structure 311-1 installation of guide groove 311 and moves.The intake section width of the transversary 311-2 of guide groove 311 forms bayonet arrangement less than the diameter of the cross section of guide pillar, and guide pillar 12 need could pass through under the situation of reinforcing.And the other parts structure graph of guide groove 311 transversary 311-2 guarantees to hold guide pillar 12 according to the Cross-section Design of guide pillar 12.By reversing, can with 12 incarcerations of the guide pillar on the blood taking needle 10 in the transversary 311-2 of the cross guide groove 311 of the blood sampling cap for brush 30, realize fixing and package action, shown in Fig. 9 A and Fig. 9 B like this to blood taking needle.In Fig. 8 A, Fig. 8 B, the structure of the T-shaped guide groove 313 of the 3rd embodiment and the cross guide groove 311 of first embodiment are similar, just transversary 313-2 opening is unidirectional, guide pillar 12 incarcerations of wanting a direction to reverse during use to make on the blood taking needle 10 are realized the fixing and package action to blood taking needle in the transversary 313-2 of the T-shaped guide groove 313 of the blood sampling cap for brush 30.In Fig. 7 A, Fig. 7 B, under the situation of " word " shape guide groove 312 of second embodiment, vertical structure is divided into 312-1 and 312-2 two parts, and transversary is divided into 312-3 and 312-4 two parts.When the blood sampling cap for brush 30 is installed, need the guide pillar 12 of blood taking needle 10 is passed through vertical structure 312-1 earlier, reverse again by transversary 312-3 and arrive vertical structure 312-2 opening part.The width of the part of transversary 312-3 is less than the diameter of the cross section of guide pillar 12, and guide pillar 12 need could pass through under the situation of reinforcing.And the structure of transversary 312-4 is identical with the cross guide groove 311-2 of first embodiment with user's rule, and the intake section width of 312-4 forms bayonet arrangement less than the diameter of the cross section of guide pillar, and guide pillar 12 need could pass through under the situation of reinforcing.And the other parts structure graph of guide groove 312 transversary 312-4 guarantees to hold guide pillar 12 according to the Cross-section Design of guide pillar 12.Shown in Figure 10 A and Figure 10 B.The transversary of difformity guide groove and the relative position between vertical structure are by realizing that the above-mentioned functions requirement designs.
Guide pillar on the blood taking needle designs by the symmetry requirement, and the guide groove on the blood sampling cap for brush and the blood sampling penholder also correspondence is taked symmetric design.
Behind the firing button of pressing on the blood sampling penholder 21 257, flexure strip block tongue 253 on the driving lever 251 is pushed in the interior pen container 22 of blood collecting pen, the obstruction of the bayonet socket 222 of pen container 22 makes driving lever 251 finish percussion under the promotion of drive spring 254 in breaking away from, and blood taking needle 10 is launched out finish blood sampling.Because the effect of drive spring 254 and resilience spring 256 disengages blood taking needle 10 and blood sampling site, whole percussion unit is in relaxation state afterwards.
After blood sampling is finished, for blood sampling next time must be taken the blood sampling cap for brush 30, change blood taking needle 10, just can make the percussion unit be in the percussion state for the treatment of by the blood taking needle 10 that has blood taking needle cap 13.Can remove exhausted blood taking needle 10 simultaneously when taking the blood sampling cap for brush 30.Operate by the protection of the blood sampling cap for brush 30 when removing blood taking needle 10, in the time of can avoiding changing blood taking needle to the injury of user.Take a blood sample simultaneously the cap for brush 30 by its guide groove 311,312 or 313 and blood taking needle 10 on the incarceration of guide pillar 12, finish fixing and parcel to blood taking needle 10, make it after abandoning, can not cause injury to the people.
Below in conjunction with concrete blood taking needle and blood collecting pen design the carrying out explanation of blood-taking device of the present invention and using method.
Describe with reference to the conventional blood taking needle of market sale and the yardstick of blood collecting pen.Blood sampling needle point and spring generally adopt the metal material preparation, and the other parts of blood taking needle 10 and blood collecting pen 20 adopt processing of high molecular material to form, and satisfy intensity and requirement attractive in appearance.The needle handle 11 of blood taking needle 10 is about 23mm, the about 5.6mm of outer diameter of section, and blood taking needle cap 13 is about 5mm, the about 1.5mm of guide pillar 12 diameters, highly about 2-5mm; Needle holder 24 dark about 23mm, the about 6mm of internal diameter can hold the needle handle 11 of blood taking needle 10; The about 1.6-1.8mm of needle holder guide groove 241 width, the about 5-10mm of length; Pen container 22 is about 75mm, the about 8mm of internal diameter, the about 1.6-1.8mm of guide groove 221 width, the about 5-10mm of length in the blood collecting pen; Needle holder 24 does not enter when waiting to pull the trigger state at blood sampling penholder 21, exposes pen container 22 outer about 15-20mm in the blood collecting pen; The outer pen container 23 of blood collecting pen is about 68mm, the about 12mm of internal diameter; Driving lever 251 is about 75mm; Blood sampling cap for brush clip 26 is about 20mm, wherein and 22 parts that leave the gap of interior pen container be about 12mm; The blood sampling cap for brush 30 is about 32mm, and the part in wherein being socketed on the pen container 22 is about 10mm.
In this embodiment, the guide groove of blood sampling on the cap for brush 30 structure division Design of length that satisfies blood taking needle 10 operations is about 18-31mm.
Cited size only is a scope roughly in the foregoing description, is not the full-size(d) in the actual design, only enumerates for explanation basic structure, does not influence practical design of the present invention and rights protection.
During actual the use, blood taking needle 10 is installed in the needle holder 24 of blood sampling penholder 21 by the positioning action of guide pillar 12 with guide groove 241.Hand-held afterwards blood taking needle cap 13 promotes percussion unit 25 and moves, and the guide pillar 12 on the blood taking needle 10 is installed in the guide groove 221 of pen container 22 in the blood collecting pen thereupon.The flexure strip block tongue 253 of in position pulling the trigger unit 25 is stuck on the bayonet socket 222 of interior pen container 22 of blood sampling penholder 21, and blood sampling penholder 21 is in the percussion state for the treatment of.Afterwards blood taking needle cap 13 is twisted and take off, the cap for brush 30 of will taking a blood sample is installed on the interior pen container 22 of blood collecting pen.By the guiding of the blood sampling cap for brush 30 upper rails, the rear end of the blood sampling cap for brush 30 is enclosed within the space of 22 of blood sampling cap for brush clip 26 and interior pen containers, and limited and fixing.Under the situation of guide groove 311 or 313, this process is promptly finished the installation of the blood sampling cap for brush 30.Under guide groove 312 situations, the blood sampling cap for brush 30 must be reversed, make another vertical structure 312-2 place of the guide pillar 12 of blood taking needle 10 by transversary 312-3 arrival guide groove 312, the blood sampling cap for brush installs.During blood sampling, the front end of the blood sampling cap for brush is placed on the disinfectant blood sampling site, presses firing button 257, blood taking needle 10 is finished blood sampling by percussion.Move and reverse the blood sampling cap for brush 30 afterwards, make guide pillar 12 on the blood taking needle 10 by incarceration in the transversary of guide groove of the blood sampling cap for brush 30, that correspondence is transversary 311-2 and 313-2 under the condition of guide groove 311 and 313, under guide groove 312 conditions, be transversary 312-4, blood taking needle 10 is fixed, and is wrapped in the blood sampling cap for brush 30.Take the blood sampling cap for brush 30 this moment, blood taking needle 10 is promptly removed in the lump.
The foregoing description only for explanation technical conceive of the present invention and characteristics, can not limit protection scope of the present invention with this.Wherein, the unitary structure of the percussion of blood collecting pen is to design according to present current techique, but other structure of the present invention and method are not limited to use the unitary structure of percussion cited among the embodiment.All modifications that spirit is done according to the present invention or equivalence change, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. a blood-taking device is made up of blood taking needle and blood collecting pen, it is characterized in that: described blood taking needle is made up of needle handle and the pin that is embedded in wherein, on the described needle handle guide pillar is arranged, and on the needle point of described blood taking needle blood taking needle cap is arranged; Described blood collecting pen is made up of the blood sampling cap for brush and blood sampling penholder, this blood sampling penholder by needle holder, be used to pull the trigger the percussion unit of blood taking needle, take a blood sample pen container and the cap for brush clip of taking a blood sample are formed; Design has guide groove above the described blood sampling cap for brush, and its main part allows the blood taking needle guide pillar to move in guide groove; Described needle holder, blood sampling design guide groove above the pen container, allow the blood taking needle guide pillar to move in guide groove.
2. blood-taking device as claimed in claim 1, the guide pillar on the described blood taking needle needle handle is the multi-edge column-shaped of cylindrical or multiple shape projection.
3. blood-taking device as claimed in claim 1, the guide pillar quantity on the described blood taking needle needle handle are 2 or 3 or 4 or 5 or 6.
4. blood-taking device as claimed in claim 1, described guide pillar and blood taking needle needle handle Surface Vertical.
5. blood-taking device as claimed in claim 1, described guide pillar and blood taking needle needle handle surface tilt.
6. blood-taking device as claimed in claim 1, the guide groove above the described blood sampling cap for brush are cross or " word " shape or T-shaped.
7. blood-taking device as claimed in claim 1, the specific part of described blood sampling cap for brush guide groove have the bayonet socket of width less than the outer diameter of section of blood taking needle guide pillar.
8. blood-taking device as claimed in claim 1, described blood sampling cap for brush guide groove connect the blood sampling cap for brush.
9. blood-taking device as claimed in claim 1, described blood sampling cap for brush guide groove are flutings but do not connect on blood sampling cap for brush inwall.
10. blood-taking device as claimed in claim 1, described blood sampling cap for brush clip is buckled mode shift position on the blood sampling pen container by spiral shell, and leaves the gap between the part-structure of blood sampling cap for brush clip and blood sampling pen container, is used for the blood sampling cap for brush is fixed with spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110142922 CN102204822B (en) | 2011-05-31 | 2011-05-31 | Blood taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110142922 CN102204822B (en) | 2011-05-31 | 2011-05-31 | Blood taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102204822A true CN102204822A (en) | 2011-10-05 |
| CN102204822B CN102204822B (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110142922 Expired - Fee Related CN102204822B (en) | 2011-05-31 | 2011-05-31 | Blood taking device |
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| Country | Link |
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| CN (1) | CN102204822B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103371831A (en) * | 2012-04-12 | 2013-10-30 | 上海宝尔生贸易有限公司 | Safety lancing device |
| CN105455858A (en) * | 2014-09-30 | 2016-04-06 | 首尔伟傲世有限公司 | UV LED integrated fleam and sterilization cover |
| CN106963395A (en) * | 2017-04-10 | 2017-07-21 | 王振民 | Triggering safe hemostix blind can be held with percussion perceptional function |
| CN113288141A (en) * | 2021-06-28 | 2021-08-24 | 吉林大学第一医院 | Lancet device capable of separating a lancet |
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| US4416279A (en) * | 1981-06-19 | 1983-11-22 | Lindner James A | Capillary blood sampling device |
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| CN103371831A (en) * | 2012-04-12 | 2013-10-30 | 上海宝尔生贸易有限公司 | Safety lancing device |
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| CN105455858A (en) * | 2014-09-30 | 2016-04-06 | 首尔伟傲世有限公司 | UV LED integrated fleam and sterilization cover |
| CN105455858B (en) * | 2014-09-30 | 2019-05-21 | 首尔伟傲世有限公司 | Bleeding device and sterilization lid with ultraviolet light LED |
| CN106963395A (en) * | 2017-04-10 | 2017-07-21 | 王振民 | Triggering safe hemostix blind can be held with percussion perceptional function |
| CN113288141A (en) * | 2021-06-28 | 2021-08-24 | 吉林大学第一医院 | Lancet device capable of separating a lancet |
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| Publication number | Publication date |
|---|---|
| CN102204822B (en) | 2013-01-09 |
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