CN1961828B - Pen cap type blood taking needle - Google Patents
Pen cap type blood taking needle Download PDFInfo
- Publication number
- CN1961828B CN1961828B CN2005101103218A CN200510110321A CN1961828B CN 1961828 B CN1961828 B CN 1961828B CN 2005101103218 A CN2005101103218 A CN 2005101103218A CN 200510110321 A CN200510110321 A CN 200510110321A CN 1961828 B CN1961828 B CN 1961828B
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- China
- Prior art keywords
- needle
- blood taking
- striker
- pen cap
- pen
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- Expired - Fee Related
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Abstract
The invention relates to a pen cap blood taking needle, wherein it is characterized in that: the pen cap has a striker and a linkage pushing rod matched with striker; one end of striker is sheathed with adjustable bolt, while another end is sheathed with spring to contact the pushing cap; the sheath has needle while the inner wall of sheath has two groups of baffle bolts; the needle can be connected to the needle sharp sheath which can be bended; the needle sharp sheath has safe bolt; the needle and the needle sheath have one spring groups between them. In application, the blood taking needle is inserted into the blood taking pen, to enter into waiting state; pressing the button of pen, the striker will move towards, to push the blood taking needle; when the needle moves toward, the force generated by spring group will move the needle sharp back to the needle sheath, via baffle bolt, the needle can not move back to the effective striking position; therefore, the blood taking needle will not be repeated.
Description
Technical field:
The present invention relates to the technical field of blood taking needle, specifically a kind of disposable pen cap type blood taking needle.
Background technology:
The blood taking needle that is adopted in the market, often do not force disposal type, the hazardness that exists secondary to use, cause the mutual infection between sufferer easily, have great potential safety hazard, and after existing disposable blood taking needle once uses, whole blood taking needle all will abandon, but often wherein contaminated just needle body part, the mode that this integral body abandons often cost is higher, is difficult for applying.
Summary of the invention:
The object of the present invention is to provide a kind of improved pen cap type blood taking needle, it can overcome poor stability in the prior art, the higher some shortcomings of cost.
To achieve these goals, technical scheme of the present invention is: pen cap type blood taking needle, it mainly comprises blood collecting pen and the blood taking needle that matches with blood collecting pen, blood collecting pen is provided with the pen cap, blood taking needle is provided with needle guard, it is characterized in that: the interlock push rod that is provided with a striker in the pen cap and matches with striker, an end of striker is arranged with regulation cock, the other end of striker be arranged with spring and with one push away medicated cap and offset; Be provided with needle body in the needle guard, the needle guard inwall is provided with two groups and stops bolt, and a needle body and a broken needle point cover fuse, and needle point puts and is provided with safety cock, is arranged with a shell fragment group between needle body and the needle guard.
During use blood taking needle of the present invention is inserted blood collecting pen, blood taking needle will drive the interlock push rod, the interlock push rod promotes the striker compression, make blood collecting pen be in state to be used, after pushing the button on the blood collecting pen, striker will be released forward, directly promotes blood taking needle, reaches the effect of puncture blood collecting, when needle body travels forward, the elastic force that the shell fragment group is produced can make needle point return in the needle guard again, owing to stop the effect of bolt, makes needle body can't return to effective impingement position, thereby guaranteed that blood taking needle can not be repeated to utilize again, safety improves greatly, and the blood taking needle that only need more renew when taking a blood sample once more later on gets final product, and has saved cost.
Description of drawings:
Fig. 1 is a kind of structural representation of blood collecting pen of the present invention
Fig. 2 is another structural representation of blood collecting pen of the present invention
Fig. 3 is the decomposition texture sketch map of blood collecting pen of the present invention
Fig. 4 is the structural representation of blood taking needle of the present invention
Fig. 5 is the dispersed structure sketch map of blood taking needle of the present invention
Fig. 6 is the needle guard cutaway view of blood taking needle of the present invention
Fig. 7 is the structural representation of one embodiment of the invention
The specific embodiment:
The invention will be further described below in conjunction with drawings and Examples.
The blood taking needle 2 that the present invention mainly comprises blood collecting pen 1 and matches with blood collecting pen, blood collecting pen is provided with the pen cap 17, blood taking needle is provided with needle guard 3, its difference with the prior art is: the interlock push rod 10 that is provided with a striker 11 in the pen cap and matches with striker, one end of striker is arranged with regulation cock 4, the other end of striker be arranged with spring 16 and with one push away medicated cap 5 and offset; Be provided with needle body 6 in the needle guard, the needle guard inwall is provided with two groups and stops bolt, needle body and broken needle point cover 7 fuse, wherein the connecting portion between needle body and the needle point cover is relatively weaker, only need slightly firmly one twist promptly broken, needle point puts and is provided with safety cock 8, is arranged with a shell fragment group 9 between needle body and the needle guard.The middle part of striker is arranged with an elastic block piece 12 and a column block 13, interlock push rod 10 is provided with a push rod that matches with elastic block piece 14, one end of push rod 14 is fixed on the interlock push rod 10, the other end of push rod is a free end, one side of elastic block piece is provided with shell fragment 15, one end of shell fragment is connected with elastic block piece, and the other end of shell fragment is a free end.Regulation cock 4 is provided with a circular hole, and regulation cock is set on the striker, and can move freely on striker, and to regulate the hitting dynamics of striker to needle body, the two ends of regulation cock are provided with the projection 18 of column.
The pen cap is formed by upper and lower cover body 19,20 merging, upper and lower cover body is respectively equipped with an adjustment hole 21 in the position of correspondence, be coated with upper and lower adjustable cap 22,23 on the adjustment hole respectively, upper and lower adjustable cap can rotate along the upper and lower cover surface, be respectively equipped with the skewed slot 24 of a correspondence on the upper and lower adjustable cap, protruding 18 of the column at regulation cock 4 two ends is passed lid respectively and is raised knothole and be fastened in the skewed slot of regulating on the lid, lower cover is provided with a button 25, and the position of button is corresponding with shell fragment 15.The size of adjustment hole and skewed slot matches with columnar projections, and the inclination angle of skewed slot is the 15-40 degree.The top of upper and lower cover body is provided with successively and tightens cover 26 and down tight cover 27, engaging mutually between the upper and lower tight cover, and down tight cover also engages mutually with lower cover.The needle guard inwall is provided with first of projection and stops that bolt 28 and second stops bolt 29, first stops that bolt and second stops that the needle guard inwall between the bolt is scalene cone, shell fragment group 9 has two corresponding shell fragments to constitute, and two shell fragments are "〉respectively " and "＜" shape, the shell fragment group engages mutually with needle body.First stops that bolt and second stops that the needle guard inwall between the bolt is scalene cone, and the angle of inclination of scalene cone is the 15-40 degree.Safety cock is two, is strip and is arranged on needle point cover surface symmetrically, and the top of needle guard is provided with the needle outlet that matches with needle point cover and safety cock shape.
In force, after blood taking needle inserts blood collecting pen, interlock push rod in the blood collecting pen will upwards be boosted, in the pushing course that makes progress, the interlock push rod can drive elastic block piece on the striker extrusion spring then that moves upward together, after the interlock push rod rises to certain altitude, elastic block piece can be blocked soon by one grade, thereby break away from the interlock push rod, shell fragment on the striker then just in time is fastened on the button below at this moment, will make whole blood collecting pen be in state to be used, because needle body and the needle point body of blood taking needle are connected as a single entity, need to turn on needle point before the use and overlap and extract, even if otherwise supress button on the blood collecting pen, safety cock also can can't be pulled the trigger the needle body retaining in needle guard, plays certain security protection effect.
During use by the button of depressing on the blood collecting pen, the shell fragment that button can be pushed down in the pen cap is established shell fragment disengaging card, striker can travel forward fast under the effect of spring, finish the blood sampling action, needle point in the needle guard can upwards reset under the effect of shell fragment group then, but the shell fragment group can be stopped that bolt blocks by second in the process that upwards resets, can't further reset, then make needle body can't return to effective impingement position, thereby guaranteed that blood taking needle can not be repeated to use, pushed away medicated cap at last more used blood taking needle is released.
Claims (8)
1. pen cap type blood taking needle, it mainly comprises blood collecting pen and the blood taking needle that matches with blood collecting pen, blood collecting pen is provided with the pen cap, blood taking needle is provided with needle guard, it is characterized in that: the interlock push rod that is provided with a striker in the pen cap and matches with striker, one end of striker is arranged with regulation cock, the other end of striker be arranged with spring and with one push away medicated cap and offset; Be provided with needle body in the needle guard, the needle guard inwall is provided with two groups and stops bolt, a needle body and a broken needle point cover fuse, needle point puts and is provided with safety cock, be arranged with a shell fragment group between needle body and the needle guard, the middle part of striker is arranged with an elastic block piece and a column block, the interlock push rod is provided with a push rod that matches with elastic block piece, one end of push rod is fixed on the interlock push rod, and the other end of push rod is a free end, and elastic block piece is provided with shell fragment, regulation cock is provided with a circular hole, regulation cock is set on the striker, and can move freely on striker, and the two ends of regulation cock are provided with the projection of column.
2. pen cap type blood taking needle according to claim 1 is characterized in that: an end of shell fragment is connected with a side of elastic block piece, and the other end of shell fragment is a free end.
3. pen cap type blood taking needle according to claim 1, it is characterized in that: the pen cap is formed by the upper and lower cover body merging, upper and lower cover body is respectively equipped with an adjustment hole in the position of correspondence, be coated with upper and lower adjustable cap on the adjustment hole respectively, upper and lower adjustable cap can rotate along the upper and lower cover surface, be respectively equipped with the skewed slot of a correspondence on the upper and lower adjustable cap, the columnar projections at regulation cock two ends is passed lid rise knothole respectively and is fastened in the skewed slot of regulating on the lid, lower cover is provided with a button, and the position of button is corresponding with the shell fragment on the elastic block piece.
4. pen cap type blood taking needle according to claim 3 is characterized in that: the size of adjustment hole and skewed slot matches with columnar projections, and the inclination angle of skewed slot is the 15-40 degree.
5. pen cap type blood taking needle according to claim 3 is characterized in that: the top of upper and lower cover body is provided with tightly cover of the first tight cover and second successively, engaging mutually between first, second tight cover, second tightly overlap with lower cover between engage mutually.
6. pen cap type blood taking needle according to claim 1, it is characterized in that: the needle guard inwall is provided with first of projection and stops that bolt and second stops bolt, first stops that bolt and second stops that the needle guard inwall between the bolt is scalene cone, the shell fragment group has two corresponding shell fragments to constitute, two shell fragments are "＞" and "＜" shape respectively, and the shell fragment group engages mutually with needle body.
7. pen cap type blood taking needle according to claim 6 is characterized in that: first stops that bolt and second stops that the needle guard inwall between the bolt is scalene cone, and the angle of inclination of scalene cone is the 15-40 degree.
8. pen cap type blood taking needle according to claim 1 is characterized in that: safety cock is two, is strip and is arranged on needle point cover surface symmetrically, and the top of needle guard is provided with the needle outlet that matches with needle point cover and safety cock shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101103218A CN1961828B (en) | 2005-11-11 | 2005-11-11 | Pen cap type blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101103218A CN1961828B (en) | 2005-11-11 | 2005-11-11 | Pen cap type blood taking needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1961828A CN1961828A (en) | 2007-05-16 |
| CN1961828B true CN1961828B (en) | 2011-07-27 |
Family
ID=38081177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101103218A Expired - Fee Related CN1961828B (en) | 2005-11-11 | 2005-11-11 | Pen cap type blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1961828B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103371832A (en) * | 2012-04-26 | 2013-10-30 | 上海宝尔生贸易有限公司 | Disposable blood taking needle |
| CN204654955U (en) * | 2014-05-21 | 2015-09-23 | 胡绍勤 | A kind of safety type blood collecting needle construction |
| CN107405119B (en) * | 2015-01-20 | 2020-06-16 | 广州市健之堂医疗器械有限公司 | Safe blood taking needle structure |
| WO2023273338A1 (en) * | 2021-07-02 | 2023-01-05 | 天津云帆医疗器械有限公司 | Blood collection needle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2409911Y (en) * | 2000-01-06 | 2000-12-13 | 广州市昆仑工业技术有限公司 | Disposable blood-taking needle device |
| CN2482966Y (en) * | 2001-06-25 | 2002-03-27 | 施国平 | Cap-covering type safety and automatic blood-sampling needle |
| CN1586396A (en) * | 2004-09-15 | 2005-03-02 | 施迎敢 | Needle tip drawing back type disposable safety blood taking needle and disposable ejection type safety blood taking pen |
| CN1602807A (en) * | 2003-09-30 | 2005-04-06 | 钱倚天 | Disposable safety acupuncture hemostix |
-
2005
- 2005-11-11 CN CN2005101103218A patent/CN1961828B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2409911Y (en) * | 2000-01-06 | 2000-12-13 | 广州市昆仑工业技术有限公司 | Disposable blood-taking needle device |
| CN2482966Y (en) * | 2001-06-25 | 2002-03-27 | 施国平 | Cap-covering type safety and automatic blood-sampling needle |
| CN1602807A (en) * | 2003-09-30 | 2005-04-06 | 钱倚天 | Disposable safety acupuncture hemostix |
| CN1586396A (en) * | 2004-09-15 | 2005-03-02 | 施迎敢 | Needle tip drawing back type disposable safety blood taking needle and disposable ejection type safety blood taking pen |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-185592A 2005.07.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1961828A (en) | 2007-05-16 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20111111 |