CN102178538B - Blood drawing pen - Google Patents
Blood drawing pen Download PDFInfo
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- CN102178538B CN102178538B CN 201110150440 CN201110150440A CN102178538B CN 102178538 B CN102178538 B CN 102178538B CN 201110150440 CN201110150440 CN 201110150440 CN 201110150440 A CN201110150440 A CN 201110150440A CN 102178538 B CN102178538 B CN 102178538B
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- penholder
- revolving part
- regulating sleeve
- blood collecting
- collecting pen
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Abstract
The invention discloses a blood drawing pen capable of rotatably returning a needle, which comprises a needle returning device, a hitting device and a depth regulating device, wherein the hitting device comprises a pen holder with an inner cavity and a needle rod capable of sliding in the inner cavity, one end of the hitting device is connected with the needle returning device used for applying a pre-ejection force, and the other end of the hitting device is connected with the depth regulating device used for regulating the ejection depth. The blood drawing pen is characterized in that the needle returning device comprises a rotating member with an inner cavity and a transmission member capable of sliding in the inner cavity of the rotating member, one end of the needle rod is sleeved with an ejection spring which passes through the inner cavity of the pen holder and the inner cavity of the rotating member to be fixedly connected with the transmission member, wherein one end of the rotating member and the pen holder are connected and can rotate relatively, the other end of the rotating member is provided with an incline rail formed by adopting an incline, and the outer wall of the transmission member is provided with a lug boss capable of sliding on the incline rail. The blood drawing pen is simple in operation; and parts of the whole blood drawing pen are connected in a convex and concave matching manner without gaps and exposed parts, and are easy to assemble, therefore, production cost is effectively lowered.
Description
Technical field
The present invention relates to a kind of medical apparatus, especially a kind of can regulate perverse wear the degree of depth, the rotation back stitching blood collecting pen.
Background technology
Blood collecting pen can for the monitoring of the diabetes patient being taken a blood sample to finish blood glucose, also can be used for clinical blood sampling to carry out routine examination.Commercially available blood collecting pen is the ejection mechanism of utilizing spring mostly, and blood taking needle is applied ejection force, thereby prick skin is finished blood sampling.
Commercially available blood collecting pen is when carrying out back stitching, generally a push-and-pull key is set with it or on the top pumping rod is set at pen, the mode of utilizing external force to carry out push-and-pull back stitching or pull back stitching applies the dynamics of launching to syringe needle, concrete operations are: penholder is connected with blood taking needle, push-and-pull or pull shank Compress Spring are excited during to certain position, when pressing when exciting button, the elastic force of spring ejects blood taking needle, thereby reaches the purpose of prick skin.
China Patent Publication No. CN2496397, open day is on June 26th, 2002, the name of invention is called improved felting-needle depth regulating head for hemostix, this application discloses a kind of improved technique scheme of regulating the hemostix depth of needling, will be with regulating sleeve with needle outlet of the peripheral covering of the nib of needle outlet, both connect by helical structure, the degree of depth that the size in the slit that produces according to spiral is regulated acupuncture.
The deficiency of these blood collecting pens is to adopt push-and-pull or pull mode back stitching, perhaps launches depth adjustment and all can produce the slit at blood collecting pen by what helical structure was realized, can cause intrusion and the accumulation of dust and antibacterial, causes easily and infects; Above-mentioned technical scheme part is too much, and assembling is complicated, not easy-maintaining, to affect product attractive in appearance;
When assembling, adopts commercially available part blood collecting pen the method for hot melt or welding, complex production process and non-dismountable, and production cost is too high.
Summary of the invention
Task to be solved by this invention provides a kind of back stitching of can rotating and launches the blood collecting pen of the degree of depth with regulating, this blood collecting pen rotary pen cap can apply and launch in advance dynamics, rotating nib can be regulated and launch the degree of depth, simple to operate and can not produce the slit, the part of blood collecting pen integral body adopts concavo-convex being connected simultaneously, without exposed part, quick detachable and good looking appearance.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of blood collecting pen, comprise back stitching device, percussion lock and depth adjustment, wherein, percussion lock comprises the penholder that is provided with inner chamber and the shank that can slide at inner chamber, percussion lock one end is connected with the back stitching device that is used for applying the dynamics of launching in advance, the other end is connected with the depth adjustment of launching the degree of depth for adjusting, and described back stitching device comprises the revolving part that is provided with inner chamber and the driving member that can slide in the revolving part inner chamber; Shank one end cover has and ejects spring and pass the penholder inner chamber and be fixedly connected with driving member with the revolving part inner chamber, wherein, one end of revolving part is connected with penholder and can relatively rotates, and the other end is provided with the oblique rail that is formed by inclined-plane and facade, and the outer wall of driving member is provided with the projection that can slide at oblique rail.
Described revolving part cover has the cap for brush that can the driven rotary part rotates, and the internal diameter of described cap for brush opening is connected with the external diameter interference fit of close penholder one end of revolving part.
The inwall of the described cap for brush is provided with limit rib, the guide rail of projection initial position when described limit rib cooperates one of formation to be used for restriction percussion lock emission with oblique rail.
Be provided with support spring in the described revolving part inner chamber, the one end supports the bottom of revolving part, and the other end supports the end of driving member.
Described revolving part is provided with one or more oblique rail, and described oblique rail distributes along even circumferential.
Described depth adjustment comprises regulating sleeve, the cascaded surface that regulating sleeve is comprised of the step of continuous differing heights over against the face of percussion lock.
The end that described regulating sleeve is provided with step is connected with penholder, and can circumferentially rotate with respect to penholder, wherein, be provided with between regulating sleeve and penholder contact surface and press keyframe, described locating slot and the projection that comprises the setting of circumferential interval by keyframe, locating slot and projection among both one be located at and press on the keyframe, another is arranged on the regulating sleeve; Described regulating sleeve other end external diameter is connected with the internal diameter interference fit of the written opening that can drive the regulating sleeve rotation, and wherein, the end face of nib contact blood sampling site has pin hole.
Described regulating sleeve can be established one or more cascaded surface, and it circumferentially.
Described regulating sleeve also comprises a gear labelling corresponding with shoulder height, and position corresponding with the gear labelling on the penholder is provided with a form; Simultaneously, can adopt transparent material to make by keyframe, perhaps same form is offered in the position corresponding with the penholder form on by keyframe.
Described penholder is provided with and unloads the pin key.
Operational approach of the present invention and principle are:
Take off first nib, blood taking needle is installed, cover nib;
Rotating nib can drive regulating sleeve and circumferentially rotate, and meets percussion lock head-on with the step of selecting differing heights, launches the degree of depth thereby regulate, and the form of offering at penholder simultaneously can show corresponding degree of depth gear labelling;
When rotary pen cap, revolving part along the circumferential direction rotated, axial displacement can be with occuring in the projection on the driving member under the effect of oblique rail, thereby with the direction motion of shank towards the cap for brush, near and spring is ejected in compression.Lose the constraint of oblique rail when driving member moves to oblique rail peak, the elastic force that the ejection spring produces can drive shank and driving member moves towards the direction of nib, and this moment, shank moved to when pressing keyframe bayonet socket position, and percussion lock is activated, and blood collecting pen is finished back stitching;
With by the corresponding position of keyframe bayonet socket button is installed, aim at when blood sampling site pushes button and to launch, shank promotes blood taking needle to the pin hole motion of written bottom, until the impact site on the shank moves to the step of the corresponding height of degree of depth gear that sets in advance, at this moment, the degree of depth prick skin of blood taking needle syringe needle to set in advance, support spring is compressed because pull bar drives the driving member motion, and the elastic force of the compressed generation of support spring makes the state before driving member drive shank and blood taking needle return to back stitching during prick skin;
Penholder is provided with and unloads the pin key, after an aculeus blood-taking is finished, takes off nib, can expose blood taking needle, unload the pin key and comprise push-and-pull key and push rod, the push-and-pull key is arranged on the outside of penholder, penholder is provided with a chute, and promotion push-and-pull key can drive push rod lancet is ejected when chute slides.
The present invention has the following advantages than the part commercially available prod owing to adopt said structure:
1, the mode by the rotation back stitching applies the dynamics of launching, and is simple to operate, and stability is strong.
2, the depth adjustment that needs four parts just can finish in the commercially available prod only needs two parts to realize, and can not produce the slit among the present invention, antibacterial, dust are difficult for invading.
3, adopt concavo-convex being connected between the part, welding and hot melt have improved assembling speed, have reduced cost of goods manufactured.
4, be easy to dismounting and safeguard, in case of necessity can self cleaning, sterilization.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is part assembly drawing of the present invention
Fig. 2 is profile of the present invention
Structural representation when Fig. 3 is back stitching device back stitching of the present invention
Fig. 4 is that back stitching device of the present invention launches the pre-structure sketch map
Projection initial position sketch map when Fig. 5 is percussion lock emission of the present invention
Fig. 6 is the axonometric chart of regulating sleeve of the present invention and the cap for brush
Fig. 7 is the oblique rail axonometric chart of tumbler of the present invention
Fig. 8 is the regulating sleeve front view that the present invention is provided with two cascaded surfaces
Fig. 9 is regulating sleeve of the present invention and presses the keyframe connection diagram
Wherein: 1: the cap for brush 2: driving member 3: support spring 4: revolving part 5: penholder 6: button 7: eject spring 8: shank 9: press keyframe 10: regulating sleeve 11: blood taking needle 12: nib 13: impact site 14: unload pin key 15: push rod 16: push-and-pull key 17: limit rib 18: projection 19: oblique rail 20: locating slot 21: projection 22: cascaded surface 23: inclined-plane 24: facade
The specific embodiment
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of blood collecting pen, comprise back stitching device, percussion lock and depth adjustment, wherein, percussion lock comprises the penholder 5 that is provided with inner chamber and the shank 8 that can slide at inner chamber, shank 8 one ends are connected with the back stitching device that is used for applying the dynamics of launching in advance, and the other end is connected with the depth adjustment that is used for adjusting and launches the degree of depth, and described back stitching device comprises the revolving part 4 that is provided with inner chamber and the driving member 2 that can slide in the revolving part inner chamber; Shank 8 one end covers have and eject spring 7 and pass penholder 5 inner chambers and be fixedly connected with driving member with revolving part 4 inner chambers, wherein, one end of revolving part 4 is connected with penholder 5 and can relatively rotates, as shown in Figure 3, Figure 4, the other end is provided with the oblique rail 19 that is formed by inclined-plane 23 and facade 24, and the outer wall of driving member 2 is provided with can be at the projection 18 of oblique rail 19 slips.，
Described revolving part 4 covers have the cap for brush 1 that can driven rotary part 4 rotates, concavo-convex being connected of external diameter of the internal diameter of the described cap for brush 1 opening and revolving part 4 close penholder 5 one ends.
As shown in Figure 5, the inwall of the described cap for brush 1 is provided with limit rib 17, the guide rail of projection 18 initial positions when described limit rib 17 cooperates one of formation to be used for 8 emission of restriction shank with oblique rail 19.
Be provided with support spring 3 in described revolving part 4 inner chambers, the one end supports the bottom of revolving part 4, and the other end supports the end of driving member 2.
Described revolving part 4 is provided with two oblique rails, and described each oblique rail is respectively along 180 ° of distributions of circumference.
Described depth adjustment comprises regulating sleeve 10, and regulating sleeve forms over against the face of the percussion lock step by 5 continuous differing heights.
Such as Fig. 6, shown in Figure 9, the end that described regulating sleeve 10 is provided with step is connected with penholder 5, and can circumferentially rotate with respect to penholder, arranges one in the middle of regulating sleeve 10 and penholder 5 contact surfaces and presses keyframe 9, circumferentially is rotationally connected with respect to penholder 5 by keyframe 9; The external diameter of regulating sleeve 10 other ends and concavo-convex being connected of internal diameter that can drive nib 12 openings that regulating sleeve 10 rotates, wherein, the end faces of nib 12 contact blood sampling sites have pin hole.
Described regulating sleeve 10 can be established a cascaded surface, and it is along 150 ° of distributions of circumference.
Described regulating sleeve 10 is provided with corresponding with 5 shoulder heights 1 to 5 gear labelling, and position corresponding with the gear labelling on the penholder is provided with a form, presses keyframe and adopts transparent material to make.
Described penholder 5 is provided with and unloads pin key 14.
Operational approach:
Take off first nib 1, blood taking needle 11 is installed, cover nib 1, according to the difference of blood sampling site skin, can drive regulating sleeve 10 by rotating nib 1 and select the different degree of depth of launching, the form on penholder 5 can show corresponding degree of depth gear labelling.
When revolving part 4 along the circumferential direction rotated, projection 18 meetings on the driving member 2 were with axial displacement are occured under the effect of oblique rail 19, thereby band shank 8 moves straight up, closely compresses ejection spring 7.When moving to oblique rail peak, driving member 2 loses the constraint of oblique rail 19, the elastic force that ejection spring 7 produces can drive shank 4 and driving member 2 moves straight down, this moment, shank 8 moved to when pressing keyframe 9 bayonet socket position, and percussion lock is activated, and blood collecting pen is finished back stitching;
The aligning blood sampling site pushes button and can launch in 6 o'clock, this moment, shank 8 promotion blood taking needles 11 moved to the pin hole of nib 12, until step corresponding to degree of depth gear that the impact site 13 bump regulating sleeves 10 on the shank arrange, at this moment, the degree of depth prick skin of blood taking needle to set in advance, support spring 3 is compressed because pull bar 8 drives driving member 2 motions, and the elastic force of support spring 3 compressed generations makes the state before driving member 2 drive shanks 8 and blood taking needle 11 return to back stitching during prick skin.
Embodiment 2:
As shown in Figure 1 and Figure 2, a kind of blood collecting pen, comprise back stitching device, percussion lock and depth adjustment, wherein, percussion lock comprises the penholder 5 that is provided with inner chamber and the shank 8 that can slide at inner chamber, shank 8 one ends are connected with the back stitching device that is used for applying the dynamics of launching in advance, and the other end is connected with the depth adjustment that is used for adjusting and launches the degree of depth, and described back stitching device comprises the revolving part 4 that is provided with inner chamber and the driving member 2 that can slide in the revolving part inner chamber; Shank 8 one end covers have and eject spring 7 and pass penholder 5 inner chambers and be fixedly connected with driving member with revolving part 4 inner chambers, wherein, one end of revolving part 4 is connected with penholder 5 and can relatively rotates, the other end is provided with the oblique rail 19 that is formed by inclined-plane 23 and facade 24, and the outer wall of driving member 2 is provided with can be at the projection 18 of oblique rail 19 slips.
Described revolving part 4 covers have the cap for brush 1 that can driven rotary part 4 rotates, concavo-convex being connected of external diameter of the internal diameter of the described cap for brush 1 opening and revolving part 4 close penholder 5 one ends.
The inwall of the described cap for brush 1 is provided with limit rib 17, the guide rail of projection 18 initial positions when described limit rib 17 cooperates one of formation to be used for 8 emission of restriction shank with oblique rail 19.
Be provided with support spring 3 in described revolving part 4 inner chambers, the one end supports the bottom of revolving part 4, and the other end supports the end of driving member 2.
As shown in Figure 7, described revolving part 4 is provided with an oblique rail 19, and described oblique rail 19 distributes along even circumferential.
Described depth adjustment comprises regulating sleeve 10, and regulating sleeve forms over against the face of the percussion lock step by continuous differing heights.
The end that described regulating sleeve 10 is provided with step is connected with penholder 5, and can circumferentially rotate with respect to penholder, arranges one in the middle of regulating sleeve 10 and penholder 5 contact surfaces and presses keyframe 9, circumferentially is rotationally connected with respect to penholder 5 by keyframe 9; The external diameter of regulating sleeve 10 other ends and concavo-convex being connected of internal diameter that can drive nib 12 openings that regulating sleeve 10 rotates, wherein, the end faces of nib 12 contact blood sampling sites have pin hole.
As shown in Figure 8, described regulating sleeve 10 can be established two cascaded surfaces, and each cascaded surface is vertically with 180 ° of distributions.
Described regulating sleeve 10 also comprises a gear labelling corresponding with shoulder height, and position corresponding with the gear labelling on the penholder 5 is provided with a form.
Described penholder 5 is provided with and unloads pin key 14.
Operational approach:
Take off first nib 1, blood taking needle 11 is installed, cover nib 1, according to the difference of blood sampling site skin, can drive regulating sleeve 10 by rotating nib 1 and select the different degree of depth of launching, the form on penholder 5 can show corresponding degree of depth gear labelling.
When revolving part 4 along the circumferential direction rotated, axial displacement occured in projection 18 meetings on the driving member 2 under the effect of oblique rail 19, thereby band shank 8 moves straight up, closely compresses ejection spring 7.When moving to oblique rail peak, driving member 2 loses the constraint of oblique rail 19, the elastic force that ejection spring 7 produces can drive shank 4 and driving member 2 moves straight down, this moment, shank 8 moved to when pressing keyframe 9 bayonet socket position, and percussion lock is activated, and blood collecting pen is finished back stitching;
The aligning blood sampling site pushes button and can launch in 6 o'clock, this moment, shank 8 promotion blood taking needles 11 moved to the pin hole of nib 12, until step corresponding to degree of depth gear that the impact site 13 bump regulating sleeves 10 on the shank arrange, at this moment, blood taking needle stabs out skin with the degree of depth that sets in advance, support spring 3 is compressed because pull bar 8 drives driving member 2 motions, and the elastic force of support spring 3 compressed generations makes the state before driving member 2 drive shanks 8 and blood taking needle 11 return to back stitching when stabbing out skin.
Claims (10)
1. blood collecting pen, comprise back stitching device, percussion lock and depth adjustment, wherein, percussion lock comprises the penholder that is provided with inner chamber and the shank that can slide at inner chamber, percussion lock one end is connected with the back stitching device that is used for applying the dynamics of launching in advance, the other end is connected with the depth adjustment of launching the degree of depth for adjusting, it is characterized in that:
Described back stitching device comprises the revolving part that is provided with inner chamber and the driving member that can slide in the revolving part inner chamber;
Shank one end cover has and ejects spring and pass the penholder inner chamber and be fixedly connected with driving member with the revolving part inner chamber, and wherein, an end of revolving part is connected with penholder also and can relatively rotates, and the other end is provided with oblique rail, and the outer wall of driving member is provided with the projection that can slide at oblique rail.
2. blood collecting pen according to claim 1 is characterized in that described revolving part cover has the cap for brush that can the driven rotary part rotates, and the internal diameter of described cap for brush opening is connected with the external diameter interference fit of close penholder one end of revolving part.
3. blood collecting pen according to claim 2 is characterized in that the inwall of the described cap for brush is provided with limit rib, the guide rail of projection initial position when described limit rib cooperates one of formation to be used for restriction percussion lock emission with oblique rail.
4. blood collecting pen according to claim 1 is characterized in that being provided with support spring in the described revolving part inner chamber, and the one end supports the bottom of revolving part, and the other end supports the end of driving member.
5. blood collecting pen according to claim 1 is characterized in that described revolving part is provided with one or more oblique rail, and described oblique rail distributes along even circumferential.
6. blood collecting pen according to claim 1 is characterized in that described depth adjustment comprises regulating sleeve, and regulating sleeve forms over against the face of the percussion lock step by continuous differing heights.
7. blood collecting pen according to claim 6, it is characterized in that the end that described regulating sleeve is provided with cascaded surface is connected with penholder, and can circumferentially rotate with respect to penholder, wherein, be provided with between regulating sleeve and penholder contact surface and press keyframe, describedly comprise locating slot and the projection that circumferential interval arranges by keyframe, locating slot and projection among both one be located at and press on the keyframe, another is arranged on the regulating sleeve; Described regulating sleeve other end external diameter is connected with the internal diameter interference fit of the written opening that can drive the regulating sleeve rotation, and wherein, the end face of nib contact blood sampling site has pin hole.
8. blood collecting pen according to claim 7 is characterized in that the sheathed one or more cascaded surface of described adjusting, and it circumferentially.
9. blood collecting pen according to claim 7 is characterized in that described regulating sleeve is provided with the gear labelling corresponding with shoulder height, and position corresponding with the gear labelling on the penholder is provided with a form.
10. blood collecting pen according to claim 1 is characterized in that described penholder is provided with to unload the pin key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110150440 CN102178538B (en) | 2011-06-07 | 2011-06-07 | Blood drawing pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110150440 CN102178538B (en) | 2011-06-07 | 2011-06-07 | Blood drawing pen |
Publications (2)
| Publication Number | Publication Date |
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| CN102178538A CN102178538A (en) | 2011-09-14 |
| CN102178538B true CN102178538B (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110150440 Active CN102178538B (en) | 2011-06-07 | 2011-06-07 | Blood drawing pen |
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| CN (1) | CN102178538B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI547275B (en) * | 2014-06-27 | 2016-09-01 | 吳信誼 | Electrical control acupuncture device |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102379705B (en) * | 2011-11-09 | 2013-01-09 | 苏州施莱医疗器械有限公司 | Safety blood sampling pen |
| TWI477256B (en) * | 2012-01-19 | 2015-03-21 | Bionime Corp | Lancing device |
| CN104545944A (en) * | 2014-12-24 | 2015-04-29 | 山东省立医院 | Disposable blood taking needle |
| WO2017070959A1 (en) * | 2015-10-30 | 2017-05-04 | 项文 | Device for controlling puncture depth and hiding needle and usage method thereof |
| CN108205058B (en) * | 2016-12-20 | 2023-04-11 | 天津果实科技有限公司 | Urine test stick ejection device and method |
| CN106863452B (en) * | 2017-04-05 | 2019-05-03 | 天津金思德生物技术有限公司 | A kind of dried blood spot punching sampler |
| CN109394244B (en) * | 2018-11-26 | 2020-06-30 | 苏州施莱医疗器械有限公司 | Biased correcting and secondary puncture preventing blood sampling pen |
| CN109965917A (en) * | 2019-04-27 | 2019-07-05 | 西安高通医学发展有限公司 | A kind of full-automatic biopsy needle |
| CN110226938B (en) * | 2019-07-13 | 2024-03-08 | 淮安易捷科技有限公司 | Blood sampling pen capable of relieving pain of patient |
| CN110840465B (en) * | 2019-11-30 | 2022-08-26 | 中国人民解放军陆军军医大学第一附属医院 | Automatic retraction blood taking needle |
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| US6419661B1 (en) * | 1999-03-05 | 2002-07-16 | Roche Diagnostics Gmbh | Device for withdrawing blood for diagnostic applications |
| CN201379576Y (en) * | 2009-04-17 | 2010-01-13 | 张立波 | Disposable blood lancet |
| CN202128474U (en) * | 2011-06-07 | 2012-02-01 | 天津九安医疗电子股份有限公司 | Blood sampler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4761701B2 (en) * | 2003-05-21 | 2011-08-31 | アークレイ株式会社 | Puncture device with adjustable puncture depth |
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- 2011-06-07 CN CN 201110150440 patent/CN102178538B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6419661B1 (en) * | 1999-03-05 | 2002-07-16 | Roche Diagnostics Gmbh | Device for withdrawing blood for diagnostic applications |
| CN201379576Y (en) * | 2009-04-17 | 2010-01-13 | 张立波 | Disposable blood lancet |
| CN202128474U (en) * | 2011-06-07 | 2012-02-01 | 天津九安医疗电子股份有限公司 | Blood sampler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI547275B (en) * | 2014-06-27 | 2016-09-01 | 吳信誼 | Electrical control acupuncture device |
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| CN102178538A (en) | 2011-09-14 |
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