CN103371832A - Disposable blood taking needle - Google Patents
Disposable blood taking needle Download PDFInfo
- Publication number
- CN103371832A CN103371832A CN201210125234XA CN201210125234A CN103371832A CN 103371832 A CN103371832 A CN 103371832A CN 201210125234X A CN201210125234X A CN 201210125234XA CN 201210125234 A CN201210125234 A CN 201210125234A CN 103371832 A CN103371832 A CN 103371832A
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- needle body
- blood taking
- needle
- housing
- button
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to a disposable blood taking needle which is characterized in that a needle body is arranged in a casing, a spring is arranged between the needle body and a button, a positioning device is arranged in the middle of the needle body, a blocking part matched with the positioning device is arranged in the casing, a blood taking needle body is arranged on the lower portion of the needle body, a protection casing is sleeved on the blood taking needle body, and the protection casing is stuck in the casing. The disposable blood taking needle is only composed of the casing, the needle body, the button and the spring during usage, no hole is formed in the lateral surface of the whole casing, and the disposable blood taking needle is simple in structure, capable of enabling people to open a mold for manufacturing conveniently and convenient to assemble, requires small bounce, is light and convenient to operate, and is safe and reliable due to the fact that the spring drives the needle body during bounding. When the disposable blood taking needle is not used, the protection casing of the needle body is stuck in the casing, the whole needle body is in a suspended state and cannot bound when the button is pressed, misoperation caused by pressing the button can be avoided, and safety and reliability of the disposable blood taking needle are improved.
Description
Technical field
The present invention relates to the technical field of medical equipment, specifically a kind of medical disposable blood taking needle.
Background technology
Medical disposable blood taking needle need to have following 3 functions usually: 1, can automatically launch hairpin; 2, auto retractable after needle body uses; 3, not reproducible use.According to above-mentioned characteristic, the designer has researched and developed miscellaneous disposable blood taking needle, but often can't take into account aspect functional characteristic and the constructions cost, causes attend to one thing and lose sight of another sorry.Then structure is often very complicated such as function intensified, and the cost of die sinking and manufacturing is higher; If structure has been simplified, then function does not reach requirement.In sum, also there is following problem in existing disposable blood taking needle:
1, to send out strength required larger for appliance for releasing single, and to the sense of the clumsy inconvenience of people, comfort level is relatively poor during use;
2, be not provided with the bulletproof security injection device, in transportation, cause easily mistake to launch in case collide button;
3, complex structure, production cost is higher, and parts are more, assembling inconvenience, time-consuming taking a lot of work.
4, volume is larger, light, automaticity is relatively poor.
Summary of the invention
The object of the present invention is to provide a kind of improved disposable blood taking needle, it can overcome in the prior art functional characteristic and constructions cost aspect and can't take into account, appliance for releasing single is sent out in inconvenience, the transportation and is launched easily by mistake, and cost of manufacture is higher, baroque some shortcomings.
To achieve these goals; the present invention proposes the unsettled design of needle body first; concrete technical scheme is: disposable blood taking needle, and it mainly comprises housing and the button that is located on the housing, it is characterized in that: be provided with needle body in the housing; be provided with spring between needle body and the button; the middle part of needle body is provided with positioner, is provided with the stop part that matches with positioner in the housing, and the bottom of needle body is provided with blood taking needle; described blood taking needle is arranged with a protective sleeve outward, and protective sleeve is fastened in the housing.
Blood taking needle of the present invention only is comprised of 4 parts during use, be respectively housing, needle body, button and spring, whole housing is without lateral opening hole, simple in structure, be convenient to the die sinking manufacturing, easy to assembly, simultaneously the required bouncing force of whole blood taking needle is very little, operate lightly, drive needle body by spring during resilience, safe and reliable.The protective sleeve of needle body is not fastened in the housing when using simultaneously, so that whole needle body is in unsettled state, press the button needle body and can't launch this moment, has avoided the maloperation that causes because pressing button, has improved the security reliability of disposable blood taking needle.
Description of drawings
Fig. 1 is the cutaway view of one embodiment of the invention.
Fig. 2 is the blast structural representation of one embodiment of the invention.
Fig. 3 is the structural representation behind the removal protective sleeve among Fig. 1.
Fig. 4 is the structural representation of one embodiment of the invention.
Fig. 5 is the needle structure sketch map of one embodiment of the invention.
Fig. 6 is the needle structure sketch map of further embodiment of this invention.
Fig. 7 is the needle body of further embodiment of this invention and the cutaway view of housing.
The specific embodiment:
The invention will be further described below in conjunction with drawings and Examples.
Each label is expressed as follows in the accompanying drawing: 1 housing, 2 buttons, 3 needle bodies, 4 springs, 5 blood taking needles, 6 protective sleeves, 7 protective sleeve stoppers, 8 fixture blocks, 9 inclined-planes, 10 needle body stoppers, 11 spring sleeve columns, 12 cylinders, 13 buckles, 14 draw-in grooves.
The present invention mainly comprises housing 1 and the button 2 that is located on the housing; its difference with the prior art is: be provided with needle body 3 in the housing; be provided with spring 4 between needle body and the button; the middle part of needle body is provided with positioner; be provided with the stop part that matches with positioner in the housing; the bottom of needle body is provided with blood taking needle 5, and described blood taking needle is arranged with a protective sleeve 6 outward, and protective sleeve is fastened in the housing.Blood taking needle is arranged with a broken protective sleeve outward, and protective sleeve is provided with protective sleeve needle body stopper 7, and described protective sleeve needle body stopper is fastened on the bottom of housing and makes that needle body is unsettled to be arranged in the housing.
Described positioner is the fixture block 8 of a pair of wing, described a pair of wing fixture block is positive eight or fall the Eight characters and be symmetricly set on the both sides of needle body, stop part in the housing is one group of inclined-plane 9 and one group of needle body stopper 10, described needle body stopper matches with the wing fixture block, and the distance between a pair of wing fixture block is greater than the distance between one group of needle body stopper.The top of needle body is provided with spring sleeve column 11, and described spring sleeve column is made of the two-part cylinder, and the body diameter of hypomere is greater than the body diameter of epimere, and the diameter of spring is between upper and lower section body diameter.Button is provided with the cavity of hollow, and the bottom of hollow cavity is provided with a cylinder 12, and the diameter of cylinder is between the inside and outside diameter of spring, and the both sides of button are respectively equipped with one group of corresponding buckle 13, are provided with one group of draw-in groove that matches with buckle 14 in the housing.
In force; disposable blood taking needle of the present invention is simple in structure; be provided with altogether 4 parts, be respectively housing, needle body, button and spring, whole housing is without lateral opening hole; simple in structure; be convenient to the die sinking manufacturing, housing is hollow design, and the top of housing is provided with the draw-in groove that matches with button; the middle part of housing is provided with the stop part that matches with needle body, matches with the protective sleeve of needle body in the bottom of housing.
This money disposable blood taking needle, the unsettled design of needle body is proposed first, utilization arranges the protective sleeve stopper at the protective sleeve of blood taking needle needle point, make that needle body is unsettled to be arranged in the housing, so before the protective sleeve that do not fracture, the action of any pressing button can not make blood taking needle launch, and has improved the security reliability of blood taking needle itself; And when rotating protective sleeve when fractureing protective sleeve; owing to there be not stopping of protective sleeve stopper; this moment, the elastic force of spring can outwards promote needle body; because needle body is unsettled being arranged in the housing originally; wing fixture block on needle body both sides under the promotion of spring will be fastened on the needle body stopper, conveniently back out simultaneously protective sleeve.Behind pressing button, the push jack on the button will push the wing fixture block, make the wing fixture block inside contract and eject, and reach the blood sampling purpose.
Button is provided with the cavity of hollow, the bottom of hollow cavity is provided with a cylinder 12, make things convenient for packing into of spring, the diameter of cylinder is between the inside and outside diameter of spring, so that the end of spring can be fastened on the cylinder, the both sides of button are respectively equipped with one group of corresponding buckle 13, and button is fastened in the housing when not working.
The upper end of needle body is provided with the spring sleeve column, described spring sleeve column is made of the two-part cylinder, the body diameter of hypomere is greater than the body diameter of epimere, the diameter of spring is between upper and lower section body diameter, when button is not pressed, spring housing is located on the cylinder of epimere, after pressing the button, spring blocks the cylinder of establishing into hypomere under by the effect of power, because the body diameter of hypomere is slightly larger than the diameter of spring, inwardly bounce back together so that spring can drive needle body when resilience, reach the purpose of automatically shrinking after needle body uses.The middle part of needle body is provided with and a pair ofly is positive eight or the wing fixture block of the setting of falling the Eight characters, is provided with the needle body stopper that matches with fixture block in the housing.
This money disposable blood taking needle is the complete works of collection function and production capacity. presses on the function lightly, launches retraction fast, can not be reused again behind the retraction, also possess in addition anti-effect of accidentally launching.Three of this money disposable blood taking needle mouldings on the production capacity, structure relatively simply and not needs slide block, takes out the injection mold block that the heart etc. affects production capacity, and shot capacity promotes.In housing, put people's needle body during assembling, how much then spring is put on the spring sleeve column of people's needle body (must deliberately not use strength), at last spring is inserted at button central hollow place, firmly button is pressed into housing (as long as button can be pressed into housing, pay no attention to using how much strength), assembling is namely accused and finished (anyone can finish), and is simple and convenient, saved a large amount of labour forces.
Claims (5)
1. disposable blood taking needle; it mainly comprises housing and the button that is located on the housing; it is characterized in that: be provided with needle body in the housing; be provided with spring between needle body and the button; the middle part of needle body is provided with positioner, is provided with the stop part that matches with positioner in the housing, and the bottom of needle body is provided with blood taking needle; described blood taking needle is arranged with a protective sleeve outward, and protective sleeve is fastened in the housing.
2. disposable blood taking needle according to claim 1, it is characterized in that: described positioner is the fixture block of a pair of wing, described a pair of wing fixture block is positive eight or fall the Eight characters and be symmetricly set on the both sides of needle body, stop part in the housing is one group of inclined-plane and one group of needle body stopper, described needle body stopper matches with the wing fixture block, and the distance between a pair of wing fixture block is greater than the distance between one group of needle body stopper.
3. disposable blood taking needle according to claim 1, it is characterized in that: the top of needle body is provided with the spring sleeve column, described spring sleeve column is made of the two-part cylinder, and the body diameter of hypomere is greater than the body diameter of epimere, and the diameter of spring is between upper and lower section body diameter.
4. disposable blood taking needle according to claim 1, it is characterized in that: button is provided with the cavity of hollow, the bottom of hollow cavity is provided with a cylinder, the diameter of cylinder is between the inside and outside diameter of spring, the both sides of button are respectively equipped with one group of corresponding buckle, are provided with one group of draw-in groove that matches with buckle in the housing.
5. disposable blood taking needle according to claim 1; it is characterized in that: blood taking needle is arranged with a broken protective sleeve outward; protective sleeve is provided with protective sleeve needle body stopper, and described protective sleeve needle body stopper is fastened on the bottom of housing and makes that needle body is unsettled to be arranged in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125234XA CN103371832A (en) | 2012-04-26 | 2012-04-26 | Disposable blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125234XA CN103371832A (en) | 2012-04-26 | 2012-04-26 | Disposable blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103371832A true CN103371832A (en) | 2013-10-30 |
Family
ID=49458111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210125234XA Pending CN103371832A (en) | 2012-04-26 | 2012-04-26 | Disposable blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103371832A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104958079A (en) * | 2015-06-19 | 2015-10-07 | 中山瑞福医疗器械科技有限公司 | Rear pressing type blood taking needle device |
| CN104983431A (en) * | 2015-06-19 | 2015-10-21 | 中山瑞福医疗器械科技有限公司 | Press type blood collection needle device |
| CN110680347A (en) * | 2019-10-18 | 2020-01-14 | 上海宝舜医疗器械有限公司 | Push type safety protection mechanism of blood taking needle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000166902A (en) * | 1998-12-03 | 2000-06-20 | Apurusu Kk | Lancet injection instrument |
| CN2482966Y (en) * | 2001-06-25 | 2002-03-27 | 施国平 | Cap-covering type safety and automatic blood-sampling needle |
| CN1954777A (en) * | 2005-10-24 | 2007-05-02 | 李福渊 | Disposable blood taking needle |
| CN1961828A (en) * | 2005-11-11 | 2007-05-16 | 上海宝尔生贸易有限公司分公司 | Pen cap type blood taking needle |
| CN101190129A (en) * | 2006-11-27 | 2008-06-04 | 上海宝尔生贸易有限公司 | Disposable blood taking needle |
| CN201612616U (en) * | 2009-12-30 | 2010-10-27 | 浙江康德莱医疗器械股份有限公司 | Safety end blood taking needle |
-
2012
- 2012-04-26 CN CN201210125234XA patent/CN103371832A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000166902A (en) * | 1998-12-03 | 2000-06-20 | Apurusu Kk | Lancet injection instrument |
| CN2482966Y (en) * | 2001-06-25 | 2002-03-27 | 施国平 | Cap-covering type safety and automatic blood-sampling needle |
| CN1954777A (en) * | 2005-10-24 | 2007-05-02 | 李福渊 | Disposable blood taking needle |
| CN1961828A (en) * | 2005-11-11 | 2007-05-16 | 上海宝尔生贸易有限公司分公司 | Pen cap type blood taking needle |
| CN101190129A (en) * | 2006-11-27 | 2008-06-04 | 上海宝尔生贸易有限公司 | Disposable blood taking needle |
| CN201612616U (en) * | 2009-12-30 | 2010-10-27 | 浙江康德莱医疗器械股份有限公司 | Safety end blood taking needle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104958079A (en) * | 2015-06-19 | 2015-10-07 | 中山瑞福医疗器械科技有限公司 | Rear pressing type blood taking needle device |
| CN104983431A (en) * | 2015-06-19 | 2015-10-21 | 中山瑞福医疗器械科技有限公司 | Press type blood collection needle device |
| CN110680347A (en) * | 2019-10-18 | 2020-01-14 | 上海宝舜医疗器械有限公司 | Push type safety protection mechanism of blood taking needle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131030 |
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| RJ01 | Rejection of invention patent application after publication |