CN202723859U - Safe hemostix - Google Patents
Safe hemostix Download PDFInfo
- Publication number
- CN202723859U CN202723859U CN 201220307547 CN201220307547U CN202723859U CN 202723859 U CN202723859 U CN 202723859U CN 201220307547 CN201220307547 CN 201220307547 CN 201220307547 U CN201220307547 U CN 201220307547U CN 202723859 U CN202723859 U CN 202723859U
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- CN
- China
- Prior art keywords
- cylindrical shell
- safety sleeve
- sleeve
- position location
- safe
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a safe hemostix, which is characterized in that a safe sleeve sleeved outside a cylinder is provided with a locking position relative to the cylinder. When the safe sleeve is in a locking position, the safe sleeve is fixedly connected relative to a joint, accordingly, the joint can be separated from the cylinder. After the hemostix with a protective device collects blood for patients, the safe sleeve is positioned in a second positioning position, and a needle head is hidden in the sleeve and does not cause injury to medical personnel. The medical personnel can conveniently remove the joint from the cylinder by pushing the cylinder to screw the safe sleeve, and thereby the cylinder for holding blood can be directly used as a laboratory test tube.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of safe hemostix.
Background technology
When Hospitals at Present is taken a blood sample chemical examination to patient, usually use disposable syringe to take a blood sample, then the blood sample that gathers is transferred in vitro blood sample being chemically examined of chemical examination usefulness.Blood sample is being transferred to chemical examination from syringe with the process of test tube, in case careless manipulation produces the pollution to blood sample easily.
For solving the problems of the technologies described above, Chinese patent literature CN201609369U discloses a kind of hemostix, comprises syringe, joint, fixed cover, syringe needle, piston and push rod, and the cross section of described syringe is square, and its four angles are arc, and push rod and piston removably connect.Inwall in the joint lower end is provided with female thread, and the outer wall of syringe upper end is provided with external screw thread, and described joint is threaded with syringe; The top of push rod is provided with fixed block, and the cross section of fixed block is tetragon, and wherein an opposite side is straight line, and another opposite side is camber line; Be provided with a cylindrical chamber that holds that is used for the fixed block rotation in the piston, piston is provided be used to the outlet of holding the fixed block turnover, and the width of the Width fixed block of this outlet is slightly wide.After using hemostix to take a blood sample, the pulling push rod, make the bottom of piston arrives syringe, because rotating push-rod makes the straight line opposite side of fixed block corresponding with outlet, just fixed block can be withdrawed from from cylindrical chamber, and then from circular hole extraction push rod, lay down the joint with syringe needle of syringe upper end, hemostix just becomes the test tube of a splendid attire blood sample like this, test tube can be directly used in chemical examination and use.
After using hemostix in the above-mentioned technology to take a blood sample, because syringe needle exposes, medical personnel are in laying down the process with the joint of syringe needle of syringe upper end, and the syringe needle that is easy to be exposed is stabbed, and is easy to cause infection.
The technical problem that the syringe needle that is exposed for medical personnel in the process that solve to use disposable syringe is stabbed, american documentation literature US6206853B1 discloses a kind of automatic retracted entry needle, it comprises that an end is provided with the cylindrical shell of entry needle supportive device, be provided with movably piston in the described cylindrical shell, described cylindrical shell is arranged in the sleeve and can slides, and is provided with spring between described sleeve and the cylindrical shell; At least one elastic flange matches with the part of described cylindrical shell and consists of described cylindrical shell with respect to the first position location of sleeve, when being in the first position location spring be in compressive state simultaneously syringe needle be exposed to outside the sleeve; Positioner is positioned at the second position location with respect to sleeve with cylindrical shell, when being in the second position location spring recover at least in part naturalness simultaneously syringe needle be hidden in the described sleeve.When described piston movement touches described elastic flange when the described cylindrical shell bottom, described elastic flange discharges from described barrel office, thereby described automatic retracted entry needle changes to the state that is in the second position location from the state that is in the first position location, and spring promotes described cylindrical shell motion until it is positioned at the second position location.Described positioner comprises the circlip that arranges around described cylindrical shell, described circlip when being in the first position location between described sleeve and described cylindrical shell and be in compressive state, when being in the second position location in the raw; The end of described sleeve is provided with cannula portion, and circlip at least a portion is locked in cannula portion on described sleeve ends and the cannula portion between at least one shoulder when being in the second position location, thereby described cylindrical shell is locked in the second position location.
Automatic retracted entry needle in the above-mentioned technology, syringe needle is exposed to injectable outside the sleeve when being in the first position location; Inject complete after, described automatic retracted entry needle is converted to when being in the second position location by the first position location, syringe needle is hidden in the described sleeve, thereby the situation that the syringe needle of having avoided medical personnel to be exposed is stabbed occurs.But, when above-mentioned technology is used for the dual-purpose hemostix of the blood sampling chemical examination of joint, not only described syringe needle is hidden in the described sleeve when being in the second position location, described joint also can be hidden in described sleeve inner, so just have no idea again described joint to be unloaded from described syringe, thereby can not realize again the dual-purpose purpose of described hemostix blood sampling chemical examination.
The utility model content
For this reason, first technical problem to be solved in the utility model is to need to transfer to the problem that in vitro just can chemically examine after blood sampling of the prior art is taken a blood sample with syringe;
Second technical problem to be solved in the utility model is still to be exposed to easily outside problem after entry needle uses.
For solving the problems of the technologies described above, this utility model discloses a kind of safe hemostix, comprises cylindrical shell and push rod, and described push rod is arranged in the described cylindrical shell and is suitable for sliding along described cylinder inboard wall; Syringe needle, described syringe needle comprise entry needle and fixing entry needle and be threadedly connected to joint on the described cylindrical shell; Safety sleeve, described safety sleeve are socketed on outside the described cylindrical shell; The relatively described cylindrical shell of described safety sleeve is provided with the first position location and the second position location, and when described safety sleeve was in the first position location, described entry needle was exposed to outside the described safety sleeve; When described safety sleeve was in the second position location, described syringe needle was hidden in the described safety sleeve, and the relatively described cylindrical shell of described safety sleeve arranges locking position, and when described safety sleeve was in locking position, the relatively described joint of described safe sleeve pipe was fixedly connected with.
Place, described the second position location is provided with the described cylindrical shell that will connect described syringe needle and is positioned locking mechanism in the described safety sleeve.
Described locking mechanism comprises the draw-in groove that is arranged at the circumferential extension in edge on the described safety sleeve, and is arranged at the projection on the described joint, and it is inner that described projection is suitable for snapping in described draw-in groove.
Described locking position place arranges locking mechanism, and described locking mechanism is by the fore shaft of the lower end that is arranged at described safety sleeve and the dead bolt that stretches out downwards from an end of described fore shaft, and the described projection that described dead bolt and fore shaft cooperate consists of; Described projection is suitable for snapping in the lockhole of described dead bolt bottom from the slideway between described dead bolt and the fore shaft.
Described projection is the del setting, and the slideway between described dead bolt and the fore shaft is circular arc.
Described safety sleeve is provided with the opening of rectangle between the first position location and the second position location, described projection is slided along described opening.
Described push rod top forms the piston seat that described cylindrical shell is carried out the bottom sealing, and the extension of described piston seat lower end arranges dop; Described dop inner card is connected to snap bar.
The external diameter of the junction of described snap bar and described dop is less than the external diameter of other positions of described snap bar.
Described cylindrical shell lower end is provided with carries out spacing tail plug to described piston seat.
The technical solution of the utility model has following useful technique effect compared to existing technology:
(1) blood sampling of the present utility model, arranges on the safety sleeve syringe needle is hidden in the second position location in the safety sleeve in the sheathed safety sleeve in the cylindrical shell outside with syringe, like this, has prevented that syringe needle is exposed to the syringe outside and causes the problem of being stabbed by syringe needle.After the use, safety sleeve is arranged at locking position, at this moment, safety sleeve is fixedly connected with joint, pin like this cylindrical shell and screw safety sleeve, can described joint be unloaded from described cylindrical shell ground, directly use thereby the cylindrical shell that fills blood just can be used as test tube.
(2) further, this locking mechanism so that the projection on the syringe needle enter in the lockhole on the safe sleeve pipe, the projection that enters lockhole then again resilience go out.Syringe needle was retracted to safety sleeve inside after disposable blood sampling syringe was used, and can not resilience go out, and used safer.
(3) on the push rod of the present utility model snap bar is set, snap bar can be fractureed after the use, directly cylindrical shell is directly used as test tube.
Description of drawings
For this utility model is more clearly understood, below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.Wherein,
Fig. 1 is the cutaway view of safe hemostix of the present utility model;
Fig. 2 is the structural representation of safety sleeve of the present utility model.
Reference numeral is expressed as among the figure:
The 1-cylindrical shell, 11-tail plug, 2-syringe needle, 21-entry needle, 22-joint, 3-safety sleeve, 31-fore shaft, 32-dead bolt, 33-lockhole, 34-opening, 35-draw-in groove, 4-push rod, 41-piston seat, 42-dop, 43-snap bar.
The specific embodiment
Fig. 1 is safety blood taking syringe of the present utility model, and it comprises cylindrical shell 1, be arranged in the cylindrical shell 1 and the push rod 4 that slides along the inwall of described cylindrical shell 1, be connected in the syringe needle 2 on the described cylindrical shell 1, and is sheathed on the safety sleeve 3 on the described syringe needle 2.
Described syringe needle 2 comprises entry needle 21 and fixing entry needle 21 and be threadedly connected to joint 22 on the described cylindrical shell 1; The upper end of described syringe needle 2 forms projection 221.
The relatively described cylindrical shell 1 of described safety sleeve 3 is provided with the first position location and the second position location, and when described safety sleeve was in the first position location, described entry needle 21 was exposed to outside the described safety sleeve 3; When described safety sleeve 3 is in the second position location, described syringe needle 2 is hidden in the described safety sleeve 3, the relatively described cylindrical shell 1 of described safety sleeve 3 arranges locking position, and when described safety sleeve 3 was in locking position, the relatively described joint 22 of described safe sleeve pipe 3 was fixedly connected with.Like this, safe sleeve pipe 3 can be separated with described cylindrical shell 1 with syringe needle 2 simultaneously.
Wherein, place, described the second position location is provided with the described cylindrical shell 1 that will connect described syringe needle 2 and is positioned locking mechanism in the described safety sleeve 3, described locking mechanism comprises the draw-in groove 35 that is arranged at the circumferential extension in edge on the described safety sleeve 3, and be arranged at projection 221 on the described joint 22, described protruding 221 are suitable for snapping in described draw-in groove 35 inside.
Described locking position place arranges locking mechanism, and described locking mechanism is by the fore shaft 31 of the lower end that is arranged at described safety sleeve 3 and the dead bolt 32 that stretches out downwards from an end of described fore shaft 31, and described protruding 221 consisting of of cooperating of described dead bolt 32 and fore shaft 31; Described protruding 221 are suitable for snapping in the lockhole 33 of described dead bolt 32 bottoms from the slideway between described dead bolt 32 and the fore shaft 31.Preferably, described protruding 221 are the del setting, and the slideway between described dead bolt 32 and the fore shaft 31 is circular arc.Like this, described protruding 221 are easier to enter in the described lockhole 33 by described slideway, and described protruding 221 are not easy from described lockhole 33 interior bounce-backs out.
Described safety sleeve 3 is provided with the opening 34 of rectangle between the first position location and the second position location, described protruding 221 along described opening 34 slips.
Described push rod 4 tops form the piston seat 41 that described cylindrical shell 1 is carried out the bottom sealing, and the extension of described piston seat 41 lower ends arranges dop 42; Described dop 42 inner card are connected to snap bar 43.The external diameter of the junction of described snap bar 43 and described dop 42 is less than the external diameter of described snap bar 43 other positions, and described cylindrical shell 1 lower end is provided with carries out spacing tail plug 11 to described piston seat 41.
When using this safe hemostix, at first make described protruding 221 to be arranged at the first position location, described entry needle 21 is exposed to outside the described safety sleeve 3, spurs described snap bar 43, takes a blood sample in the lower end that makes piston 41 in the push rod 4 slide into cylindrical shell 1 from the upper end of described cylindrical shell 1; After blood sampling blood is complete, be arranged at the second position location with described protruding 221, described protruding 221 are locked in the described lockhole 33, and namely described syringe needle 2 is hidden in the described safety sleeve 3; The described snap bar 43 of transverse breaking, then continuing the described cylindrical shell 1 of pulling makes the projection 221 that is fixed on the syringe needle 2 slip into described lockhole 32 inside, at this moment, described safe sleeve pipe 3 is fixedly connected with described syringe needle 2, pinning the described safety sleeve of described cylindrical shell 1 turn-knob can unload described joint from described cylindrical shell, directly use thereby the cylindrical shell that fills blood just can be used as test tube.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive, and the apparent variation of being extended out thus or change still are in this utility model and create among the protection domain of claim.
Claims (9)
1. a safe hemostix comprises
Cylindrical shell (1) and push rod (4), described push rod (4) are arranged in the described cylindrical shell (1) and are suitable for sliding along described cylinder inboard wall;
Syringe needle (2), described syringe needle (2) comprise entry needle (21) and fixing entry needle (21) and be threadedly connected to joint (22) on the described cylindrical shell (1);
Safety sleeve (3), described safety sleeve (3) are socketed on outside the described cylindrical shell (1);
The relatively described cylindrical shell of described safety sleeve (3) (1) is provided with the first position location and the second position location, and when described safety sleeve was in the first position location, described entry needle (21) was exposed to outside the described safety sleeve (3); Described safety sleeve (3) is when being in the second position location, and described syringe needle (2) is hidden in the described safety sleeve (3), it is characterized in that:
The relatively described cylindrical shell of described safety sleeve (3) (1) arranges locking position, and described safety sleeve (3) is when being in locking position, and the relatively described joint of described safe sleeve pipe (3) (22) is fixedly connected with.
2. safe hemostix according to claim 1 is characterized in that:
Place, described the second position location is provided with the described cylindrical shell (1) that will connect described syringe needle (2) and is positioned the interior locking mechanism of described safety sleeve (3).
3. safe hemostix according to claim 2 is characterized in that:
Described locking mechanism comprises the draw-in groove (35) that is arranged at described safety sleeve (3) the circumferential extension in upper edge, and is arranged at the projection (221) on the described joint (22), and described projection (221) is suitable for snapping in described draw-in groove (35) inside.
4. safe hemostix according to claim 3 is characterized in that:
Described locking position place arranges locking mechanism, described locking mechanism is by the fore shaft (31) of the lower end that is arranged at described safety sleeve (3) and the dead bolt (32) that stretches out downwards from an end of described fore shaft (31), and the described projection (221) that described dead bolt (32) and fore shaft (31) cooperate consists of; Described projection (221) is suitable for snapping in the lockhole (33) of described dead bolt (32) bottom from the slideway between described dead bolt (32) and the fore shaft (31).
5. safe hemostix according to claim 4 is characterized in that:
Described projection (221) is the del setting, and the slideway between described dead bolt (32) and the fore shaft (31) is circular arc.
6. arbitrary described safe hemostix according to claim 3-5 is characterized in that:
Described safety sleeve (3) is provided with the opening (34) of rectangle between the first position location and the second position location, described projection (221) is slided along described opening (34).
7. safe hemostix according to claim 6 is characterized in that:
Described push rod (4) top forms the piston seat (41) that described cylindrical shell (1) is carried out the bottom sealing, and the extension of described piston seat (41) lower end arranges dop (42); Described dop (42) inner card is connected to snap bar (43).
8. safe hemostix according to claim 7 is characterized in that:
The external diameter of the junction of described snap bar (43) and described dop (42) is less than the external diameter of other positions of described snap bar (43).
9. safe hemostix according to claim 8 is characterized in that:
Described cylindrical shell (1) lower end is provided with carries out spacing tail plug (11) to described piston seat (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307547 CN202723859U (en) | 2012-06-28 | 2012-06-28 | Safe hemostix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307547 CN202723859U (en) | 2012-06-28 | 2012-06-28 | Safe hemostix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202723859U true CN202723859U (en) | 2013-02-13 |
Family
ID=47649620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220307547 Expired - Lifetime CN202723859U (en) | 2012-06-28 | 2012-06-28 | Safe hemostix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202723859U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976748A (en) * | 2014-04-11 | 2014-08-13 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| CN104274190A (en) * | 2014-04-11 | 2015-01-14 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| WO2016015364A1 (en) * | 2014-07-28 | 2016-02-04 | 上海金塔医用器材有限公司 | Safe blood sampling needle |
| US9943258B2 (en) | 2014-04-11 | 2018-04-17 | Shanghai Jinta Medical Co., Ltd. | Safety blood-collection needle |
| US9987428B2 (en) | 2011-10-14 | 2018-06-05 | Amgen Inc. | Injector and method of assembly |
| TWI635880B (en) * | 2013-03-22 | 2018-09-21 | 安美基公司 | Injector and method of assembly |
| US11097055B2 (en) | 2013-10-24 | 2021-08-24 | Amgen Inc. | Injector and method of assembly |
-
2012
- 2012-06-28 CN CN 201220307547 patent/CN202723859U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10537682B2 (en) | 2011-10-14 | 2020-01-21 | Amgen Inc. | Injector and method of assembly |
| US11298463B2 (en) | 2011-10-14 | 2022-04-12 | Amgen Inc. | Method of assembling and filling a drug delivery device |
| US11273260B2 (en) | 2011-10-14 | 2022-03-15 | Amgen Inc. | Injector and method of assembly |
| US11160931B2 (en) | 2011-10-14 | 2021-11-02 | Amgen Inc. | Method of assembling and filling a drug delivery device |
| US9987428B2 (en) | 2011-10-14 | 2018-06-05 | Amgen Inc. | Injector and method of assembly |
| US10314976B2 (en) | 2011-10-14 | 2019-06-11 | Amgen Inc. | Method of assembling and filling a drug delivery device |
| US10537681B2 (en) | 2011-10-14 | 2020-01-21 | Amgen Inc. | Injector and method of assembly |
| US11110225B2 (en) | 2011-10-14 | 2021-09-07 | Amgen Inc. | Injector and method of assembly |
| US11058821B2 (en) | 2011-10-14 | 2021-07-13 | Amgen Inc. | Injector and method of assembly |
| US11129941B2 (en) | 2011-10-14 | 2021-09-28 | Amgen Inc. | Method of assembling and filling a drug delivery device |
| US11759571B2 (en) | 2013-03-22 | 2023-09-19 | Amgen Inc. | Injector and method of assembly |
| TWI635880B (en) * | 2013-03-22 | 2018-09-21 | 安美基公司 | Injector and method of assembly |
| US10850037B2 (en) | 2013-03-22 | 2020-12-01 | Amgen Inc. | Injector and method of assembly |
| US11097055B2 (en) | 2013-10-24 | 2021-08-24 | Amgen Inc. | Injector and method of assembly |
| CN103976748A (en) * | 2014-04-11 | 2014-08-13 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| US9943258B2 (en) | 2014-04-11 | 2018-04-17 | Shanghai Jinta Medical Co., Ltd. | Safety blood-collection needle |
| CN104274190B (en) * | 2014-04-11 | 2015-05-27 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| CN104274190A (en) * | 2014-04-11 | 2015-01-14 | 上海金塔医用器材有限公司 | Safety blood taking needle |
| WO2016015364A1 (en) * | 2014-07-28 | 2016-02-04 | 上海金塔医用器材有限公司 | Safe blood sampling needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160504 Address after: Luohe City, Henan province 462331 Yuanhui District Riverside Metro Xiangjiang Road Patentee after: HENAN SHUGUANG HUIZHIKANG BIOTECHNOLOGY CO.,LTD. Address before: Luohe City, Henan province 462331 Yuanhui District Riverside Metro Xiangjiang Road Patentee before: HENAN SHUGUANG JIANSHI MEDICAL EQUIPMENT GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |