CN202128474U - Blood sampler - Google Patents
Blood sampler Download PDFInfo
- Publication number
- CN202128474U CN202128474U CN201120187797U CN201120187797U CN202128474U CN 202128474 U CN202128474 U CN 202128474U CN 201120187797 U CN201120187797 U CN 201120187797U CN 201120187797 U CN201120187797 U CN 201120187797U CN 202128474 U CN202128474 U CN 202128474U
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- China
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- penholder
- revolving part
- regulating sleeve
- blood collecting
- collecting pen
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Abstract
The utility model discloses a blood sampler with a needle capable of returning rotationally. The blood sampler comprises a needle returning device, a percussion device and a depth adjusting device, wherein the percussion device comprises a penholder with an inner cavity and a needle rod capable of sliding in the inner cavity. One end of the percussion device is connected with the needle returning device for applying pre-ejection force, and the other end of the percussion device is connected with the depth adjusting device for adjusting ejection depths. The blood sampler is characterized in that the needle returning device comprises a rotating part with an inner cavity and a driving part capable of sliding in the inner cavity of the rotating part, a popup spring sleeved at one end of the needle rod penetrates through the inner cavity of the penholder and the inner cavity of the rotating part and is fixedly connected with the driving part, one end of the rotating part is connected with the penholder and is capable of rotating relatively, the other end of the rotating part is provided with an inclined rail formed by an inclined surface, and the outer wall of the driving part is provided with a bump capable of sliding on the inclined rail. The blood sampler adopting the scheme is simple in operation, parts of the integral blood sampler are connected in a concave-convex matched manner, gaps and exposed components are omitted, the blood sampler is easy in assembly, and production cost is reduced effectively.
Description
Technical field
This utility model relates to a kind of medical apparatus, the especially a kind of blood collecting pen that can regulate penetration depth, rotation back stitching.
Background technology
Blood collecting pen can be used for the diabetes patient is taken a blood sample to accomplish the monitoring of 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 accomplished blood sampling.
Commercially available blood collecting pen is when carrying out back stitching; Generally a push-and-pull key is set on one's body 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, and concrete operations are: penholder is connected with blood taking needle; Be excited when push-and-pull or pull shank compression spring to certain position; When pressing when exciting button, the elastic force of spring ejects blood taking needle, thereby reaches the purpose of prick skin.
Chinese patent publication number CN2496397; Open day is on June 26th, 2002; The name of utility model is called hemostix pricker degree of depth modified model and regulates head, and this application discloses a kind of improved technique scheme of regulating the hemostix depth of needling, will have regulating sleeve that has needle outlet of the peripheral covering of nib of needle outlet; Both connect through 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 on blood collecting pen, produce the slit through what helical structure was realized, can cause intrusion and the accumulation of dust and antibacterial, causes infection easily; Above-mentioned technical scheme part is too much, and assembling is complicated, not easy-maintaining, to influence product attractive in appearance;
When assembling, adopts commercially available part blood collecting pen the method for hot melt or welding, complex production process and on-dismountable, and production cost is too high.
Summary of the invention
This utility model task to be solved 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 rotation cap for brush can apply and launch dynamics in advance; The rotation nib can be regulated and launched the degree of depth, and is simple to operate and can not produce the slit, and the whole part of blood collecting pen adopts concavo-convex being connected simultaneously; No exposed part, quick detachable and good looking appearance.
In order to solve the problems of the technologies described above, this utility model is realized through following technical scheme:
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 be used to apply the back stitching device that launches dynamics in advance and be connected; The other end be used to regulate the depth adjustment of launching the degree of depth and be connected, described back stitching device comprises revolving part that is provided with inner chamber and the driving member that can in the revolving part inner chamber, slide; Shank one end is with 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 on oblique rail, slide.
Described revolving part is with the cap for brush that can the driven rotary part rotates, and the internal diameter of said cap for brush opening is connected with the external diameter interference fit of revolving part near penholder one end.
The inwall of the said cap for brush is provided with spacing muscle, the guide rail of projection initial position when said spacing muscle cooperates one of formation to be used to limit the percussion lock emission with oblique rail.
Be provided with support spring in the said revolving part inner chamber, the one of which end supports the bottom of revolving part, and the other end supports the end of driving member.
Said revolving part is provided with one or more oblique rail, and said oblique rail is along the circumference uniform distribution.
Said depth adjustment comprises regulating sleeve, the cascaded surface that regulating sleeve is made up of the step of continuous differing heights over against the face of percussion lock.
The end that said 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, said locating slot and the convexity that comprises the setting of circumferential interval by keyframe; Locating slot with protruding among both one be located at and press on the keyframe, another is arranged on the regulating sleeve; Said 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.
Said regulating sleeve can be established one or more cascaded surface, and it is along circle distribution.
Said regulating sleeve also comprises one and the corresponding gear labelling of shoulder height, is provided with a form with the corresponding position of gear labelling on the penholder; Simultaneously, can adopt transparent material to make, perhaps on by keyframe, offer same form with the corresponding position of penholder form by keyframe.
Said penholder is provided with and unloads the pin key.
The operational approach and the principle of this utility model are:
Take off nib earlier, blood taking needle is installed, cover nib;
The rotation 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 on penholder, offering simultaneously can show corresponding degree of depth gear labelling;
The rotation cap for brush, when revolving part along the circumferential direction rotated, axial displacement can be with taking place down in the oblique effect of rail in the projection on the driving member, thereby the band shank towards the direction motion of the cap for brush, near and compression ejection spring.When driving member moves to oblique rail peak, lose the constraint of oblique rail, eject the elastic force that spring produces and can drive shank and the direction motion of driving member towards nib, this moment, shank moved to when pressing keyframe bayonet socket position, and percussion lock is activated, blood collecting pen completion 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 the pin hole motion of blood taking needle to written bottom; Impact site on shank moves to the step of the corresponding height of degree of depth gear that is provided with in advance, at this moment, and the degree of depth prick skin of blood taking needle syringe needle to be provided with in advance; Support spring is compressed because of pull bar drives the driving member motion, and the elastic force that support spring is compressed generation during prick skin makes driving member drive shank and returns to the preceding state of back stitching with blood taking needle;
Penholder is provided with and unloads the pin key, after an aculeus blood-taking is accomplished, 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.
This utility model has the following advantages than the part commercially available prod owing to adopt said structure:
1, the mode through the rotation back stitching applies the dynamics of launching, and is simple to operate, and stability is strong.
2, need four depth adjustment that part could be accomplished in the commercially available prod, only need two parts to realize in this utility model, and can not produce the slit, antibacterial, dust are difficult for invading.
3, adopt concavo-convex being connected between the part, do not have welding and hot melt, improved assembling speed, reduced cost of goods manufactured.
4, be easy to dismounting and maintenance, can clean voluntarily in case of necessity, sterilize.
Description of drawings
Be described in further detail below in conjunction with the specific embodiment of accompanying drawing this utility model.
Fig. 1 is this utility model part assembly drawing
Fig. 2 is this utility model profile
Structural representation when Fig. 3 is this utility model back stitching device back stitching
Fig. 4 launches the pre-structure sketch map for this utility model back stitching device
Projection initial position sketch map when Fig. 5 launches for this utility model percussion lock
Fig. 6 is the axonometric chart of this utility model regulating sleeve and the cap for brush
Fig. 7 is the oblique rail axonometric chart of this utility model tumbler
Fig. 8 is provided with the regulating sleeve front view of two cascaded surfaces for this utility model
Fig. 9 for this utility model regulating sleeve be connected sketch map by keyframe
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: by 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: spacing muscle 18: projection 19: oblique rail 20: locating slot 21: protruding 22: cascaded surface 23: inclined-plane 24: facade
The specific embodiment
Embodiment 1:
Like Fig. 1, shown in Figure 2; A kind of blood collecting pen comprises 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 be used to apply the back stitching device that launches dynamics in advance and be connected, the other end be used to regulate the depth adjustment of launching the degree of depth and be connected, said back stitching device comprises revolving part 4 that is provided with inner chamber and the driving member 2 that can in the revolving part inner chamber, slide; The ejection spring 7 of shank 8 one ends cover passes penholder 5 inner chambers and is 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; Like Fig. 3, shown in 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 the projection 18 that can on oblique rail 19, slide.，
Said revolving part 4 be with can the driven rotary part 4 caps for brush 1 that rotate, the internal diameter of the said cap for brush 1 opening and revolving part 4 are near concavo-convex being connected of external diameter of penholder 5 one ends.
As shown in Figure 5, the inwall of the said cap for brush 1 is provided with spacing muscle 17, the guide rail of projection 18 initial positions when said spacing muscle 17 cooperates one of formation to be used to limit shank 8 emissions with oblique rail 19.
Be provided with support spring 3 in said revolving part 4 inner chambers, the one of which end supports the bottom of revolving part 4, and the other end supports the end of driving member 2.
Said revolving part 4 is provided with two oblique rails, and said each oblique rail is respectively along 180 ° of distributions of circumference.
Said depth adjustment comprises regulating sleeve 10, and regulating sleeve is made up of the step of 5 continuous differing heights over against the face of percussion lock.
Like Fig. 6, shown in Figure 9, the end that said regulating sleeve 10 is provided with step is connected with penholder 5, and can circumferentially rotate with respect to penholder, is provided with 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 face of nib 12 contact blood sampling sites has pin hole.
Said regulating sleeve 10 can be established a cascaded surface, and it is along 150 ° of distributions of circumference.
Said regulating sleeve 10 is provided with the gear labelling with 5 shoulder heights corresponding 1 to 5, is provided with a form with the corresponding position of gear labelling on the penholder, presses keyframe and adopts transparent material to make.
Said penholder 5 is provided with and unloads pin key 14.
Operational approach:
Take off nib 1 earlier, blood taking needle 11 is installed, cover nib 1, according to the difference of blood sampling site skin, can select the different degree of depth of launching through rotating nib 1 drive regulating sleeve 10, 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 taken place under the effect of oblique rail 19, thereby band shank 8 moves straight up, closely compresses ejection spring 7., driving member 2 loses the constraint of oblique rail 19 when moving to oblique rail peak; The elastic force that ejects spring 7 generations can drive shank 4 and move straight down with driving member 2; This moment, shank 8 moved to when pressing keyframe 9 bayonet socket positions, and percussion lock is activated, and blood collecting pen is accomplished 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; The corresponding step of degree of depth gear that impact site 13 bump regulating sleeves 10 on shank are provided with, at this moment, the degree of depth prick skin of blood taking needle to be provided with in advance; Support spring 3 is compressed because of pull bar 8 drives driving members 2 motions, and the elastic force that support spring 3 is compressed generation when puncturing the skin peptide makes driving member 2 drive the state before shanks 8 and blood taking needle 11 return to back stitching.
Embodiment 2:
Like Fig. 1, shown in Figure 2; A kind of blood collecting pen comprises 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 be used to apply the back stitching device that launches dynamics in advance and be connected, the other end be used to regulate the depth adjustment of launching the degree of depth and be connected, said back stitching device comprises revolving part 4 that is provided with inner chamber and the driving member 2 that can in the revolving part inner chamber, slide; Shank 8 one ends are with 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 the projection 18 that can on oblique rail 19, slide.
Said revolving part 4 be with can the driven rotary part 4 caps for brush 1 that rotate, the internal diameter of the said cap for brush 1 opening and revolving part 4 are near concavo-convex being connected of external diameter of penholder 5 one ends.
The inwall of the said cap for brush 1 is provided with spacing muscle 17, the guide rail of projection 18 initial positions when said spacing muscle 17 cooperates one of formation to be used to limit shank 8 emissions with oblique rail 19.
Be provided with support spring 3 in said revolving part 4 inner chambers, the one of which end supports the bottom of revolving part 4, and the other end supports the end of driving member 2.
As shown in Figure 7, said revolving part 4 is provided with an oblique rail 19, and said oblique rail 19 is along the circumference uniform distribution.
Said depth adjustment comprises regulating sleeve 10, and regulating sleeve is made up of the step of continuous differing heights over against the face of percussion lock.
The end that said regulating sleeve 10 is provided with step is connected with penholder 5, and can circumferentially rotate with respect to penholder, is provided with 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 face of nib 12 contact blood sampling sites has pin hole.
As shown in Figure 8, said regulating sleeve 10 can be established two cascaded surfaces, and each cascaded surface is vertically with 180 ° of distributions.
Said regulating sleeve 10 also comprises one and the corresponding gear labelling of shoulder height, is provided with a form with the corresponding position of gear labelling on the penholder 5.
Operational approach:
Take off nib 1 earlier, blood taking needle 11 is installed, cover nib 1, according to the difference of blood sampling site skin, can select the different degree of depth of launching through rotating nib 1 drive regulating sleeve 10, the form on penholder 5 can show corresponding degree of depth gear labelling.
When revolving part 4 along the circumferential direction rotated, axial displacement took place 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., driving member 2 loses the constraint of oblique rail 19 when moving to oblique rail peak; The elastic force that ejects spring 7 generations can drive shank 4 and move straight down with driving member 2; This moment, shank 8 moved to when pressing keyframe 9 bayonet socket positions, and percussion lock is activated, and blood collecting pen is accomplished 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; The corresponding step of degree of depth gear that impact site 13 bump regulating sleeves 10 on shank are provided with, at this moment, the degree of depth prick skin of blood taking needle to be provided with in advance; Support spring 3 is compressed because of pull bar 8 drives driving members 2 motions, and the elastic force that support spring 3 is compressed generation during prick skin makes driving member 2 drive the state before shanks 8 and blood taking needle 11 return to back stitching.
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 be used to apply the back stitching device that launches dynamics in advance and be connected; The other end be used to regulate the depth adjustment of launching the degree of depth and be connected, it is characterized in that:
Described back stitching device comprises revolving part that is provided with inner chamber and the driving member that can in the revolving part inner chamber, slide;
Shank one end is with 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 on oblique rail, slide.
2. blood collecting pen according to claim 1 is characterized in that described revolving part is with the cap for brush that can the driven rotary part rotates, and the internal diameter of said cap for brush opening is connected with the external diameter interference fit of revolving part near penholder one end.
3. blood collecting pen according to claim 2 is characterized in that the inwall of the said cap for brush is provided with spacing muscle, the guide rail of projection initial position when said spacing muscle cooperates one of formation to be used to limit the 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 said revolving part inner chamber, and the one of which 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 said revolving part is provided with one or more oblique rail, and said oblique rail is along the circumference uniform distribution.
6. blood collecting pen according to claim 1 is characterized in that said depth adjustment comprises regulating sleeve, and regulating sleeve is made up of the step of continuous differing heights over against the face of percussion lock.
7. blood collecting pen according to claim 6; It is characterized in that the end that said regulating sleeve is provided with cascaded surface is connected with penholder, and can circumferentially rotate, wherein with respect to penholder; Be provided with between regulating sleeve and penholder contact surface and press keyframe; Saidly comprise locating slot and the convexity that circumferential interval is provided with by keyframe, locating slot with protruding among both one be located at and press on the keyframe, another is arranged on the regulating sleeve; Said 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 said regulating sleeve can establish one or more cascaded surface, and it is along circle distribution.
9. blood collecting pen according to claim 7 is characterized in that said regulating sleeve is provided with and the corresponding gear labelling of shoulder height, is provided with a form with the corresponding position of gear labelling on the penholder.
10. blood collecting pen according to claim 1 is characterized in that said penholder is provided with to unload the pin key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120187797U CN202128474U (en) | 2011-06-07 | 2011-06-07 | Blood sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120187797U CN202128474U (en) | 2011-06-07 | 2011-06-07 | Blood sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202128474U true CN202128474U (en) | 2012-02-01 |
Family
ID=45517261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120187797U Expired - Lifetime CN202128474U (en) | 2011-06-07 | 2011-06-07 | Blood sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202128474U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102178538A (en) * | 2011-06-07 | 2011-09-14 | 天津九安医疗电子股份有限公司 | Blood drawing pen |
| CN104856699A (en) * | 2014-05-21 | 2015-08-26 | 胡绍勤 | Bullet-discharging type blood sampling pen structure |
| CN108567435A (en) * | 2018-03-12 | 2018-09-25 | 程聪 | A kind of hematology's blood processor |
| CN111419243A (en) * | 2020-04-21 | 2020-07-17 | 苏州施莱医疗器械有限公司 | Blood sampling pen capable of loading and adjusting depth by using tail handle |
-
2011
- 2011-06-07 CN CN201120187797U patent/CN202128474U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102178538A (en) * | 2011-06-07 | 2011-09-14 | 天津九安医疗电子股份有限公司 | Blood drawing pen |
| CN102178538B (en) * | 2011-06-07 | 2013-05-01 | 天津九安医疗电子股份有限公司 | Blood drawing pen |
| CN104856699A (en) * | 2014-05-21 | 2015-08-26 | 胡绍勤 | Bullet-discharging type blood sampling pen structure |
| CN108567435A (en) * | 2018-03-12 | 2018-09-25 | 程聪 | A kind of hematology's blood processor |
| CN111419243A (en) * | 2020-04-21 | 2020-07-17 | 苏州施莱医疗器械有限公司 | Blood sampling pen capable of loading and adjusting depth by using tail handle |
| CN111419243B (en) * | 2020-04-21 | 2021-11-16 | 苏州施莱医疗器械有限公司 | Blood sampling pen capable of loading and adjusting depth by using tail handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120201 Effective date of abandoning: 20130501 |
|
| RGAV | Abandon patent right to avoid regrant |