CN104027119A - Safe type vein blood taking needle - Google Patents
Safe type vein blood taking needle Download PDFInfo
- Publication number
- CN104027119A CN104027119A CN201410216801.1A CN201410216801A CN104027119A CN 104027119 A CN104027119 A CN 104027119A CN 201410216801 A CN201410216801 A CN 201410216801A CN 104027119 A CN104027119 A CN 104027119A
- Authority
- CN
- China
- Prior art keywords
- blood taking
- needle
- vein blood
- taking needle
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a safe type vein blood taking needle which comprises a vein blood taking needle component and a vacuum blood taking tube connected with the vein blood taking needle component in a matched mode. The vein blood taking needle component comprises a vein blood taking needle body, a vein blood taking needle base and a catheter communicated with the vein blood taking needle base. The vein blood taking needle further comprises an anti-puncturing component which is arranged outside the vein blood taking needle component in a sleeved mode. The anti-puncturing component comprises an outer shell which is arranged on the vein blood taking needle base in a sleeved mode. The vein blood taking needle base slides in the outer shell, so that the vein blood taking needle is completely stored in the outer shell. Anti-puncturing protection is carried out through the vein blood taking needle base and the arranged outer shell, and the using safety of the blood taking needle is improved.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, be specifically related to a kind of disposable use safety vein blood taking needle.
Background technology
In medical field, medical personnel by various means collections, obtain Human Physiology, pathological information, for correctly diagnosing the illness, wherein the collection for blood preparation has following three kinds of approach conventionally: (1) subcutaneous blood sampling, be used for the simple and easy differential counting of blood constituent to detect, use subcutaneous (solid or prismatic) blood taking needle more; (2) venous blood collection, can carry out detailed detection to nosetiology in hematology, blood and other related discipline indexs, very wide in clinical middle application, uses pen type or split type vein blood taking needle more; (3) how arterial blood drawing, detect aterial blood gas indexes following in critical emergency case, applies lessly, uses arterial blood drawing special syringe to gather more.To the collection of blood preparation and check, its objective is by the detection to bacteriology, virological infection level in the analyzing and testing of blood constituent, acquisition blood blood component and blood, to understand Human Physiology and pathologic condition, or the effect after understanding Drug therapy, and to advancing of disease, lapse to and prognosis judges etc.
Venous blood collection is also a kind of comparatively common blood sampling mode, and venous blood collection needle construction comprises puncture needle, puncture needle tail end connecting duct, and the conduit other end connects needle stand, and needle stand outer end connects blood taking needle.During use, by puncture needle, implement venipuncture, after puncturing successfully, blood taking needle is run through and thrust in vacuum test tube, under suction function, blood is drawn in blood taking tube by puncture needle, conduit and blood taking needle; So repeatedly, can realize the collection of multitube time blood specimen, take a blood sample complete, extract venipuncture needle, local hemostasis.
Yet after blood sampling finishes, medical personnel need to extract puncture needle and blood taking needle, and it is carried out to waste treatment, in this process medical personnel also Chang Yi by needle point, stabbed, cause cross infection, danger is larger.
A kind of disposable anti-acupuncture vein blood taking needle has been proposed in Chinese patent 2012100938412, thereby by the anti-acupuncture sheath that setting has a circuitous channel, making puncture needle after extracting, can block puncture needle makes medical personnel avoid being wounded by stabbing, but because being adopts circuitous channel, in practical operation, puncture needle can not well be accommodated in sheath.
As disclosed a kind of disposable use safety type blood-taking needle in China application 201210133995X; by the snap close that arranges on needle tubing with shield with one's own body cover and be combined; puncture needle is locked in protective sleeve; but this structure need to arrange snap close on a plurality of parts; and need to use separately the needle stand with snap close; operation sequence is numerous and diverse, is unfavorable for practical operation.
Summary of the invention
The object of the invention is to provide a kind of disposable use safety vein blood taking needle, has avoided medical personnel to be wounded by stabbing, and has improved the safety in utilization of blood taking needle.
Technical scheme of the present invention is:
Safety vein blood taking needle, comprise venous blood collection needle assembly, the vacuum test tube being connected with venous blood collection needle assembly adaptation, described venous blood collection needle assembly comprises vein blood taking needle, vein blood taking needle needle stand and with the conduit of vein blood taking needle needle stand conducting, described blood taking needle also comprises that one is sheathed on the anti-acupuncture assembly outside vein blood taking needle assembly, described anti-acupuncture assembly comprises the shell being set on vein blood taking needle needle stand, described vein blood taking needle needle stand slides in the enclosure, and described vein blood taking needle is accommodated in shell completely.
Preferably, between described vein blood taking needle needle stand and shell, form anti-needling structure, the near-end cross section that described vein blood taking needle needle stand is connected with conduit is flechette-type, and the proximal diameter of described flechette-type is less than the distal diameter of flechette-type; The near-end inwall of described shell is provided with barb, described barb place's diameter is suitable with flechette-type distal diameter, described shell distal-most end opening diameter is suitable with vein blood taking needle needle stand distal diameter, described vein blood taking needle needle stand distal diameter is more than or equal to barb place opening diameter, and vein blood taking needle needle stand near-end can pass from barb.
Preferably, between the near-end of vein blood taking needle needle stand and the far-end of vein blood taking needle, be provided with groove section, between described shell most proximal end and barb, be provided with gap, the most proximal end opening diameter of described shell is less than the distal diameter of flechette-type.
Preferably, described vein blood taking needle needle stand be provided with vein blood taking needle needle handle, on described shell, offer the chute coordinating with described vein blood taking needle needle handle.
Preferably, on vein blood taking needle, be also socketed with needle shield.
Preferably, described barb is the projection that outer casing inner wall arranges.
Advantage of the present invention is: the shell by vein blood taking needle needle stand and setting carries out anti-acupuncture protection, has improved the safety in utilization of blood taking needle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is Figure 1A-A cross-sectional view of the present invention, is now the original state signal before using;
Fig. 3 is Figure 1A-A cross-sectional view of the present invention, is now the state signal after using.
The specific embodiment
The present invention has disclosed a kind of safety vein blood taking needle, in conjunction with shown in Fig. 1 to Fig. 3, consistent with prior art, the vacuum test tube that include venous blood collection needle assembly, is connected with venous blood collection needle assembly adaptation.Described venous blood collection needle assembly comprises vein blood taking needle 6, vein blood taking needle needle stand 7 and with the conduit 3 of vein blood taking needle needle stand conducting, the catheter block 2 of described conduit 3 is connected with a joint 1, described joint 1 is for connecting blood taking tube (meaning not shown in the figures).On described vein blood taking needle 6, be also arranged with needle shield 5, described vein blood taking needle needle stand 7 be provided with vein blood taking needle needle handle 4.Vein blood taking needle needle handle 4 can arrange one or be symmetricly set on needle stand both sides.
Unlike the prior art, described blood taking needle also comprises that one is sheathed on the anti-acupuncture assembly outside vein blood taking needle assembly, described anti-acupuncture assembly comprises the shell 8 being set on vein blood taking needle needle stand 7, described vein blood taking needle needle stand 7, in the interior slip of shell 8, is accommodated in shell 8 described vein blood taking needle 6 completely.
Concrete, between described vein blood taking needle needle stand 7 and shell 8, forming anti-needling structure, near-end 72 cross sections that described vein blood taking needle needle stand is connected with conduit 3 are flechette-type, and the proximal diameter of described flechette-type is less than the distal diameter of flechette-type.
Between the near-end 72 of vein blood taking needle needle stand and the far-end 71 of vein blood taking needle, be provided with groove section 73, the near-end inwall of described shell 8 is provided with barb 81, and described barb 81 at least arranges two, certainly, also can arrange in the border of shell 8 inwalls.
Described barb 81 place's opening diameters are slightly less than flechette-type distal diameter, and the diameter of groove section 73 is suitable with barb 81 place's opening diameters, between described shell 8 most proximal end and barb 81, be provided with gap, the most proximal end opening diameter of described shell 8 is less than the distal diameter of flechette-type.Described shell 8 distal-most end opening diameters are suitable with vein blood taking needle needle stand 7 distal diameter, and shell 8 most proximal end opening diameters are less than vein blood taking needle needle stand 7 distal diameter.General vein blood taking needle needle stand 7 adopts soft materials, so only need operator to apply certain power when entering shell barb place, the flechette-type distortion that is squeezed, can enter barb 81 places, when vein blood taking needle needle stand 7 far-ends pass barb 81 place, flechette-type restores to the original state, and is blocked and be unlikely to vein blood taking needle 6 and skid off outside shell 8 by barb 81.
Described vein blood taking needle needle stand near-end 72 can pass from barb 81, and is accommodated in wherein and not and drops by shell 8.
Meanwhile, due to the existence of groove section 73, at vein blood taking needle 6, toward the interior movement of shell 8, groove section 73 is smoothly by the opening at barb 81 places, and 73 of groove sections are in barb 81 upper ends.
On described shell, offer the chute coordinating with described vein blood taking needle needle handle 4, described shell 8 also can be the hollow tube-shape that a side has strip gab.The upper end of barb 8 is opening.
Below sketch lower use procedure of the present invention and principle:
Blood taking needle in use, identical with general blood sampling step, first pull out needle shield 5, now vein blood taking needle 6 is outside exposed, medical personnel can puncture for patient by venous blood collection, then by vacuum test tube, under suction function, take a blood sample, blood is drawn in blood taking tube by vein blood taking needle 6, conduit 3, completes blood sampling operation.After blood sampling, extract vacuum test tube, vein blood taking needle 6 is extracted from patient body, vein blood taking needle needle stand 7 moves backward, the near-end 72 of vein blood taking needle needle stand 7 enters into barb 81 places backward while moving, barb 81 pins the near-end of vein blood taking needle needle stand 7 flechette-types, and now vein blood taking needle 6 is contained in shell 8 completely, can not stab medical personnel, improve the safety in utilization of blood taking needle.
Certainly above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All modifications that the spirit of main technical schemes is done according to the present invention, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. safety vein blood taking needle, comprise venous blood collection needle assembly, with the adaptive vacuum test tube being connected of venous blood collection needle assembly, it is characterized in that: described venous blood collection needle assembly comprises vein blood taking needle (6), vein blood taking needle needle stand (7), and with the conduit (3) of vein blood taking needle needle stand conducting, described blood taking needle also comprises that one is sheathed on the anti-acupuncture assembly outside vein blood taking needle assembly, described anti-acupuncture assembly comprises the shell (8) being set on vein blood taking needle needle stand (7), described vein blood taking needle needle stand (7) slides in shell (8), described vein blood taking needle (6) is accommodated in shell (8) completely,
Between described vein blood taking needle needle stand (7) and shell (8), form anti-needling structure, near-end (72) cross section that described vein blood taking needle needle stand is connected with conduit (3) is flechette-type, and the proximal diameter of described flechette-type is less than the distal diameter of flechette-type; The near-end inwall of described shell (8) is provided with barb (81), it is suitable with flechette-type distal diameter that described barb (81) is located diameter, described shell (8) distal-most end opening diameter is suitable with vein blood taking needle needle stand (7) distal diameter, described vein blood taking needle needle stand far-end (71) diameter is more than or equal to barb (81) and locates opening diameter, described vein blood taking needle needle stand near-end (72) can from barb (81) through.
2. safety vein blood taking needle according to claim 2, it is characterized in that: between the far-end (71) of the near-end of vein blood taking needle needle stand (72) and vein blood taking needle, be provided with groove section (73), between described shell (8) most proximal end and barb, be provided with gap, the most proximal end opening diameter of described shell (8) is less than the distal diameter of flechette-type.
3. safety vein blood taking needle according to claim 1, it is characterized in that: described vein blood taking needle needle stand (7) be provided with vein blood taking needle needle handle (4), on described shell, offer the chute coordinating with described vein blood taking needle needle handle (4).
4. safety vein blood taking needle according to claim 3, is characterized in that: on vein blood taking needle, be also socketed with needle shield (5).
5. safety vein blood taking needle according to claim 1, is characterized in that: the projection that described barb (81) arranges for outer casing inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216801.1A CN104027119B (en) | 2014-05-22 | 2014-05-22 | Safe type vein blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216801.1A CN104027119B (en) | 2014-05-22 | 2014-05-22 | Safe type vein blood taking needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104027119A true CN104027119A (en) | 2014-09-10 |
| CN104027119B CN104027119B (en) | 2017-01-18 |
Family
ID=51458282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410216801.1A Active CN104027119B (en) | 2014-05-22 | 2014-05-22 | Safe type vein blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104027119B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104887250A (en) * | 2015-04-28 | 2015-09-09 | 顶一医疗科技（昆山）有限公司 | Disposable safe blood-sampling puncturing-preventing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0555974A1 (en) * | 1992-02-06 | 1993-08-18 | Becton, Dickinson and Company | Safety needle device |
| US20090198196A1 (en) * | 2008-01-14 | 2009-08-06 | West Richard L | Phlebotomy needle assembly and frangible cover |
| CN201500124U (en) * | 2009-09-18 | 2010-06-09 | 威海洁瑞医用制品有限公司 | Disposable peripheral blood taking needle |
| EP2702943A1 (en) * | 2012-08-27 | 2014-03-05 | SARSTEDT AG & Co. | Device for withdrawing body liquids and method for fitting such a device |
| CN103785076A (en) * | 2012-11-01 | 2014-05-14 | 蒋梅 | Medical needle with puncture wound prevention |
| CN203953679U (en) * | 2014-05-22 | 2014-11-26 | 苏州林华医疗器械有限公司 | Safety vein blood taking needle |
-
2014
- 2014-05-22 CN CN201410216801.1A patent/CN104027119B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0555974A1 (en) * | 1992-02-06 | 1993-08-18 | Becton, Dickinson and Company | Safety needle device |
| US20090198196A1 (en) * | 2008-01-14 | 2009-08-06 | West Richard L | Phlebotomy needle assembly and frangible cover |
| CN201500124U (en) * | 2009-09-18 | 2010-06-09 | 威海洁瑞医用制品有限公司 | Disposable peripheral blood taking needle |
| EP2702943A1 (en) * | 2012-08-27 | 2014-03-05 | SARSTEDT AG & Co. | Device for withdrawing body liquids and method for fitting such a device |
| CN103785076A (en) * | 2012-11-01 | 2014-05-14 | 蒋梅 | Medical needle with puncture wound prevention |
| CN203953679U (en) * | 2014-05-22 | 2014-11-26 | 苏州林华医疗器械有限公司 | Safety vein blood taking needle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104887250A (en) * | 2015-04-28 | 2015-09-09 | 顶一医疗科技（昆山）有限公司 | Disposable safe blood-sampling puncturing-preventing device |
| CN104887250B (en) * | 2015-04-28 | 2018-04-10 | 顶一医疗科技（昆山）有限公司 | A kind of disposable safe blood sampling Needlestick prevention device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104027119B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW200515929A (en) | Medical appliance | |
| CN208892604U (en) | A kind of Anti-stabbing blood taking needle | |
| CN202776320U (en) | Syringe type vacuum blood collecting device | |
| CN205286368U (en) | Safe blood taking needle | |
| CN202776322U (en) | Vacuum blood collector with indwelling catheter | |
| CN104470439B (en) | Remaining needle with syringe-type vacuum blood collector | |
| CN108378859A (en) | Disposable anti-needle pierces vein blood taking needle | |
| CN202776321U (en) | Syringe type vacuum blood collector with telescopic protective sleeve | |
| CN203953679U (en) | Safety vein blood taking needle | |
| CN104470440B (en) | Syringe type vacuum blood collector with telescopic protective sleeve | |
| CN104470432B (en) | There is the syringe-type vacuum blood collector of needle point protection | |
| CN104027119A (en) | Safe type vein blood taking needle | |
| CN203988075U (en) | Safety blood taking needle | |
| CN202776325U (en) | Syringe type vacuum blood collector with protected needle tip | |
| CN104758008A (en) | Biological tissue puncture device and biological tissue puncture method | |
| CN208677410U (en) | Disposable safety type blood-taking needle | |
| CN204708861U (en) | A kind of safety arteriovenous blood-taking device | |
| CN208756003U (en) | Disposable anti-needle pierces vein blood taking needle | |
| CN202982015U (en) | Integral type vacuum blood sampling device with needle tip protective sleeve | |
| CN209060192U (en) | A kind of new type of safe remaining needle | |
| CN209564127U (en) | A kind of venous blood-taking apparatus | |
| CN205338966U (en) | Blood sampling needle under peritoneoscope | |
| CN202776324U (en) | Integrated vacuum blood collecting device | |
| CN106175798A (en) | A kind of vacuum test tube of one-hand operation | |
| CN105326510B (en) | Vein blood taking needle under laparoscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215101 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Applicant after: SUZHOU LINHUA MEDICAL INSTRUMENT CO., LTD. Address before: 215101 No. 3, new road, Suzhou Industrial Park, Jiangsu, China Applicant before: Linhua Medical Appliances Co., Ltd., Suzhou |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |