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
- Authority
- CN
- China
- Prior art keywords
- safety sleeve
- needle
- sleeve
- barrel
- locking
- 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
Links
- 239000008280 blood Substances 0.000 claims abstract description 28
- 210000004369 blood Anatomy 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 230000006378 damage Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 238000009533 lab test Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 12
- 238000010241 blood sampling Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 238000013096 assay test Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
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
The utility model belongs to the technical field of medical instrument, concretely relates to safe hemostix.
Background
At present, when a hospital takes a blood sample for testing, a disposable syringe is generally used for taking blood, and then the collected blood sample is transferred into a test tube for testing to test the blood sample. During the transfer of the blood sample from the syringe to the test tube, contamination of the blood sample is likely to occur once carelessly handled.
In order to solve the above technical problems, chinese patent document CN201609369U discloses a blood sampling device, which comprises a needle cylinder, a joint, a fixing sleeve, a needle, a piston and a push rod, wherein the cross section of the needle cylinder is square, four corners of the needle cylinder are arc-shaped, and the push rod is detachably connected with the piston. The inner wall of the lower end of the joint is provided with internal threads, the outer wall of the upper end of the needle cylinder is provided with external threads, and the joint is in threaded connection with the needle cylinder; a fixed block is arranged at the top end of the push rod, the cross section of the fixed block is quadrilateral, one pair of edges is a straight line, and the other pair of edges is an arc line; the piston is internally provided with a cylindrical accommodating cavity for the fixed block to rotate, the piston is provided with an outlet for accommodating the fixed block to go in and out, and the width of the outlet is slightly wider than that of the fixed block. After using the hemostix to extract the blood sample, pulling the push rod, making the piston reach the bottom of cylinder, because rotating the push rod, making the straight line opposite side of fixed block correspond with the export, just can withdraw from the fixed block from cylindrical cavity, then take the push rod out from the round hole again, unload the joint that has the syringe needle of cylinder upper end, the hemostix just becomes the test tube of a splendid attire blood sample like this, can directly be used for the chemical examination with the test tube and use.
After the blood sampler in the technology is used for extracting blood samples, medical personnel are easily pricked by the exposed needle head and easily cause infection in the process of removing the joint with the needle head at the upper end of the needle cylinder due to the exposed needle head.
In order to solve the technical problem that medical staff are pricked by an exposed needle in the process of using a disposable syringe, the U.S. patent document US6206853B1 discloses an automatic retraction injection needle, which comprises a barrel, one end of which is provided with an injection needle supporting device, a movable piston is arranged in the barrel, the barrel is arranged in a sleeve and can slide, and a spring is arranged between the sleeve and the barrel; at least one elastic flange is matched with part of the barrel to form a first positioning position of the barrel relative to the sleeve, and when the spring is in the first positioning position, the spring is in a compressed state and the needle is exposed out of the sleeve; the positioning means positions the barrel in a second position relative to the sleeve in which the spring at least partially restores its natural state with the needle concealed within said sleeve. When the piston moves to the bottom end of the barrel, the elastic flange is triggered, the elastic flange is released from the barrel part, so that the automatic retraction injection needle changes from a state of being at a first positioning position to a state of being at a second positioning position, and the spring pushes the barrel to move until the barrel is positioned at the second positioning position. The positioning device comprises an elastic check ring arranged around the cylinder body, the elastic check ring is positioned between the sleeve and the cylinder body and is in a compressed state when being positioned at a first positioning position, and the elastic check ring is in a natural state when being positioned at a second positioning position; the end of the sleeve is provided with a sleeve portion and in the second set position the circlip is at least partially captured within the sleeve portion between the end of the sleeve and at least one shoulder on the sleeve portion to capture the cartridge in the second set position.
In the automatic retraction injection needle in the technology, when the needle head is in the first positioning position, the needle head is exposed outside the sleeve, and the injection can be carried out; after the injection is finished, when the automatic retraction injection needle is converted from the first positioning position to the second positioning position, the needle head is hidden in the sleeve, so that the situation that medical personnel are pricked by the exposed needle head is avoided. However, when the above-mentioned technique is applied to a blood sampling and testing dual-purpose blood sampling device with a joint, not only the needle is hidden in the sleeve but also the joint is hidden in the sleeve when the needle is in the second positioning position, so that there is no way to detach the joint from the syringe, and the dual-purpose blood sampling and testing of the blood sampling device can not be achieved.
SUMMERY OF THE UTILITY MODEL
Therefore, the first technical problem to be solved by the utility model is that the blood sampling needle cylinder in the prior art needs to be transferred into a test tube for testing after sampling blood;
the second technical problem to be solved by the present invention is to expose the injection needle to the outside after use.
In order to solve the technical problem, the utility model discloses a safe hemostix, which comprises a cylinder body and a push rod, wherein the push rod is arranged in the cylinder body and is suitable for sliding along the inner wall of the cylinder body; a needle comprising an injection needle and a fitting securing the injection needle and threadably connected to the barrel; the safety sleeve is sleeved outside the barrel body; the safety sleeve is provided with a first positioning position and a second positioning position relative to the barrel, and when the safety sleeve is positioned at the first positioning position, the injection needle is exposed out of the safety sleeve; when the safety sleeve is located at the second positioning position, the needle head is hidden in the safety sleeve, the safety sleeve is arranged at a locking position relative to the barrel, and when the safety sleeve is located at the locking position, the safety sleeve is fixedly connected relative to the joint.
And a locking mechanism for positioning the barrel connected with the needle head in the safety sleeve is arranged at the second positioning position.
The locking mechanism comprises a clamping groove and a protrusion, the clamping groove is formed in the safety sleeve and extends along the circumferential direction, the protrusion is arranged on the joint, and the protrusion is suitable for being clamped into the clamping groove.
The locking position is provided with a locking mechanism, and the locking mechanism consists of a locking notch arranged at the lower end of the safety sleeve, a lock tongue extending downwards from one end of the locking notch, and a protrusion matched with the lock tongue and the locking notch; the protrusion is suitable for being clamped into the lock hole at the lower part of the lock tongue from the slide way between the lock tongue and the lock notch.
The protrusion is arranged in an inverted triangle, and the slide way between the lock tongue and the lock opening is arc-shaped.
The safety sleeve is provided with a rectangular opening between a first positioning position and a second positioning position, and the protrusion slides along the opening.
A piston seat for sealing the bottom end of the cylinder body is formed at the top end of the push rod, and a chuck is arranged at the lower end of the piston seat in an extending manner; the inside joint of dop has the breaking bar.
The outer diameter of the joint of the breaking rod and the clamping head is smaller than the outer diameters of other positions of the breaking rod.
The lower end of the cylinder body is provided with a tail plug for limiting the piston seat.
Compared with the prior art, the technical scheme of the utility model have following profitable technological effect:
(1) the utility model discloses a safety sleeve is established to cylinder for blood sampling cover outside the barrel, sets up the second location position of hiding the syringe needle in safety sleeve on the safety sleeve, like this, has prevented that the syringe needle from exposing the problem that leads to being pricked by the syringe needle outside the cylinder. After the blood collecting tube is used, the safety sleeve is arranged at the dead locking position, at the moment, the safety sleeve is fixedly connected with the joint, the safety sleeve is screwed by pressing the tube body, the joint can be detached from the tube body, and the tube body filled with blood can be directly used as an assay test tube.
(2) Furthermore, the locking mechanism enables the bulge on the needle head to enter the lock hole on the safety sleeve, and the bulge entering the lock hole can not rebound out. Therefore, the needle head of the disposable blood sampling needle cylinder retracts into the safety sleeve after being used, and can not rebound out, so that the use is safer.
(3) The utility model discloses a set up the rupture pole on the push rod, can break the rupture pole after using, directly regard the barrel as chemical examination test tube direct use.
Drawings
In order that the invention may be more clearly understood, embodiments of the invention will now be described in further detail with reference to the accompanying drawings. Wherein,
fig. 1 is a sectional view of the safety blood collector of the present invention;
fig. 2 is a schematic structural view of the safety sleeve of the present invention.
The reference numbers in the figures denote:
1-barrel, 11-tail plug, 2-needle, 21-injection needle, 22-joint, 3-safety sleeve, 31-locking port, 32-locking tongue, 33-locking hole, 34-opening, 35-clamping groove, 4-push rod, 41-piston seat, 42-clamping head and 43-breaking rod.
Detailed Description
Fig. 1 is the utility model discloses a safe blood sampling cylinder, it includes barrel 1, sets up in barrel 1 and follows the gliding push rod 4 of inner wall of barrel 1, connect in syringe needle 2 on the barrel 1, and the cover is located safety sleeve 3 on the syringe needle 2.
The needle head 2 comprises an injection needle 21 and a joint 22 which fixes the injection needle 21 and is connected to the barrel 1 in a threaded manner; the upper end of the needle 2 is formed with a protrusion 221.
The safety sleeve 3 is provided with a first positioning position and a second positioning position relative to the barrel 1, and when the safety sleeve is positioned at the first positioning position, the injection needle 21 is exposed out of the safety sleeve 3; when the safety sleeve 3 is located at the second positioning position, the needle head 2 is hidden in the safety sleeve 3, the safety sleeve 3 is opposite to the barrel 1 which is arranged at the locking position, and when the safety sleeve 3 is located at the locking position, the safety sleeve 3 is opposite to the joint 22 which is fixedly connected. In this way, the safety sleeve 3 and the needle 2 can be separated from the barrel 1 simultaneously.
The second positioning position is provided with a locking mechanism for positioning the barrel 1 in the safety sleeve 3, the locking mechanism comprises a clamping groove 35 which is arranged on the safety sleeve 3 and extends along the circumferential direction, and a protrusion 221 which is arranged on the joint 22, and the protrusion 221 is suitable for being clamped into the clamping groove 35.
A locking mechanism is arranged at the locking position, and the locking mechanism consists of a locking notch 31 arranged at the lower end of the safety sleeve 3, a locking tongue 32 extending downwards from one end of the locking notch 31, and the protrusion 221 matched with the locking tongue 32 and the locking notch 31; the protrusion 221 is adapted to be snapped into the locking hole 33 at the lower part of the locking tongue 32 from the slide way between the locking tongue 32 and the locking notch 31. Preferably, the protrusion 221 is arranged in an inverted triangle, and the slide way between the locking tongue 32 and the locking notch 31 is arc-shaped. Thus, the protrusion 221 can easily enter the locking hole 33 through the slide way, and the protrusion 221 is not easily rebounded out of the locking hole 33.
The safety sleeve 3 is provided with a rectangular opening 34 between a first and a second positioning position, the projection 221 sliding along the opening 34.
A piston seat 41 for sealing the bottom end of the cylinder body 1 is formed at the top end of the push rod 4, and a chuck 42 is arranged at the lower end of the piston seat 41 in an extending manner; the inside of the chuck 42 is clamped with a breaking rod 43. The outer diameter of the joint of the breaking rod 43 and the chuck 42 is smaller than the outer diameters of other positions of the breaking rod 43, and the lower end of the cylinder body 1 is provided with a tail plug 11 for limiting the piston seat 41.
When using the safety blood collection device, the projection 221 is first set at a first positioning position, the injection needle 21 is exposed outside the safety sleeve 3, and the breaking rod 43 is pulled to slide the piston 41 in the push rod 4 from the upper end of the cylinder 1 to the lower end of the cylinder 1 to collect blood; after blood sampling is finished, the protrusion 221 is arranged at a second positioning position, and the protrusion 221 is locked in the lock hole 33, that is, the needle 2 is hidden in the safety sleeve 3; the breaking rod 43 is transversely broken, then the barrel body 1 is continuously pulled to enable the protrusion 221 fixed on the needle head 2 to slide into the lock hole 32, at the moment, the safety sleeve 3 is fixedly connected with the needle head 2, the safety sleeve is pressed and screwed on the barrel body 1, and the joint can be detached from the barrel body, so that the barrel body filled with blood can be directly used as an assay test tube.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not necessary or necessary to exhaustively enumerate all embodiments herein, and obvious variations or modifications can be made without departing from the scope of the invention as claimed.
Claims (9)
1. A safe blood collector comprises
The device comprises a cylinder body (1) and a push rod (4), wherein the push rod (4) is arranged in the cylinder body (1) and is suitable for sliding along the inner wall of the cylinder body;
a needle (2), wherein the needle (2) comprises an injection needle (21) and a joint (22) which fixes the injection needle (21) and is connected to the barrel (1) in a threaded manner;
the safety sleeve (3) is sleeved outside the barrel (1);
the safety sleeve (3) is provided with a first positioning position and a second positioning position relative to the barrel (1), and when the safety sleeve is positioned at the first positioning position, the injection needle (21) is exposed out of the safety sleeve (3); when the safety sleeve (3) is in the second positioning position, the needle (2) is hidden in the safety sleeve (3), and the safety sleeve is characterized in that:
safety sleeve (3) are relative barrel (1) sets up the lock position, when safety sleeve (3) were in the lock position, safety sleeve (3) were relative connect (22) fixed connection.
2. A safe blood collector according to claim 1, wherein:
and a locking mechanism for positioning the barrel (1) connected with the needle (2) in the safety sleeve (3) is arranged at the second positioning position.
3. A safe blood collector according to claim 2, wherein:
the locking mechanism comprises a clamping groove (35) which is arranged on the safety sleeve (3) and extends along the circumferential direction, and a protrusion (221) which is arranged on the joint (22), wherein the protrusion (221) is suitable for being clamped into the clamping groove (35).
4. A safe blood collector according to claim 3, wherein:
a locking mechanism is arranged at the locking position, and the locking mechanism consists of a locking notch (31) arranged at the lower end of the safety sleeve (3), a locking tongue (32) extending downwards from one end of the locking notch (31), and a protrusion (221) matched with the locking notch (31) and the locking tongue (32); the protrusion (221) is suitable for being clamped into a lock hole (33) at the lower part of the lock tongue (32) from a slide way between the lock tongue (32) and the lock notch (31).
5. A safe blood collector according to claim 4, wherein:
the protrusion (221) is arranged in an inverted triangle, and the slide way between the lock tongue (32) and the lock opening (31) is arc-shaped.
6. A safe blood collector according to any one of claims 3 to 5, wherein:
the safety sleeve (3) is provided with a rectangular opening (34) between a first positioning position and a second positioning position, and the protrusion (221) slides along the opening (34).
7. A safe blood collector according to claim 6, wherein:
a piston seat (41) for sealing the bottom end of the cylinder body (1) is formed at the top end of the push rod (4), and a clamping head (42) is arranged at the lower end of the piston seat (41) in an extending mode; the inside joint of dop (42) has breaking rod (43).
8. A safe blood collector according to claim 7, wherein:
the outer diameter of the connecting part of the breaking rod (43) and the clamping head (42) is smaller than the outer diameters of other positions of the breaking rod (43).
9. A safe blood collector according to claim 8, wherein:
the lower end of the cylinder body (1) is provided with a tail plug (11) for limiting the 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 |
|---|---|---|---|---|
| US10537681B2 (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 |
| US10537682B2 (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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202723859U (en) | Safe hemostix | |
| CN102525489B (en) | Safe split type blood collector | |
| CN216135934U (en) | Medical detection sampling assembly | |
| CN102406505B (en) | Split-type hemostix with safety protection device | |
| CN209863846U (en) | Blood drawing needle capable of preventing puncture | |
| CN207832512U (en) | A kind of food inspection sampler | |
| CN204484130U (en) | A kind of vacuum blood taking needle | |
| CN202342047U (en) | Split type blood collector with safety protection device | |
| CN201524581U (en) | Test tube rack with self-pulling injection needle | |
| CN202761284U (en) | Safe blood taking needle cylinder | |
| CN202036225U (en) | Blood collector | |
| CN201492424U (en) | Disposable vein blood collecting device | |
| CN213488844U (en) | Anti-pollution blood collection system for clinical examination | |
| CN201179062Y (en) | Medical blood sampling equipment | |
| CN2662831Y (en) | Disposable tube blood sampling device | |
| CN103251416A (en) | Safe blood taking needle | |
| CN2887251Y (en) | Disposable tube attached blood-sampling needle | |
| CN209285527U (en) | A kind of animal blood taking device | |
| CN213640880U (en) | Improved structure of arterial hemostix | |
| CN203042260U (en) | Safe detached blood collection needle sleeve | |
| CN213787426U (en) | Vacuum blood collecting tube for animals | |
| CN217244406U (en) | Blood taking needle capable of automatically collecting blood | |
| CN218338449U (en) | Novel straight needle blood sampling needle holder | |
| CN219495792U (en) | Extraction element for liquid medicine medical examination | |
| CN211749652U (en) | Clinical examination blood collection tube |
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 |