CN212546945U - Blood taking needle recovery device and assembly thereof - Google Patents
Blood taking needle recovery device and assembly thereof Download PDFInfo
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- CN212546945U CN212546945U CN201921893028.7U CN201921893028U CN212546945U CN 212546945 U CN212546945 U CN 212546945U CN 201921893028 U CN201921893028 U CN 201921893028U CN 212546945 U CN212546945 U CN 212546945U
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- taking needle
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Abstract
The application provides a blood taking needle recovery device and an assembly thereof, and belongs to the technical field of medical instruments. The blood taking needle recovery device comprises a recovery device sleeve, a blood taking needle seat body and an elastic piece. The recovery device sleeve is internally provided with a first abutting part, one side wall of one end of the recovery device sleeve is provided with a first operation hole, and the other side wall of the recovery device sleeve is provided with a second operation hole; the blood taking needle seat body, the blood taking needle seat body is configured into the installation blood taking needle, the blood taking needle seat body install in the recovery unit sleeve, just be provided with on the blood taking needle seat body side can with the telescopic first handle hole of recovery unit or the protruding piece of card that resets of being connected with second handle hole lock joint, through the protruding piece of card and the lock of first handle hole of resetting, the back and the lock of second handle hole kick-back make the whole recovery of blood taking needle seat body extremely in the recovery unit sleeve. It can be retrieved the blood taking needle in an appointed space, avoids stabbing the people to simple structure, convenient operation.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a blood taking needle recovery device and a blood taking needle recovery component.
Background
The blood taking needle is an instrument for collecting blood samples in the medical examination process and consists of a needle head and a needle rod, wherein the needle head is arranged at the head part of the needle rod.
At present, blood is generally collected by using blood collection for a human body blood sample, but the existing needle holder for fixing the blood collection needle cannot isolate and protect the exposed needle tip after the blood collection is finished, so that workers are easily stabbed, and cleaners can be stabbed in the process of waste treatment of the blood collection needle, so that the risk of infection is caused.
Disclosure of Invention
An object of the application is to provide a blood taking needle recovery device, it can retrieve the blood taking needle in an appointed space, avoids stabbing the people to simple structure, convenient operation.
The application is realized as follows:
a lancet recovery device, comprising:
the recovery device sleeve is internally provided with a first abutting part, one side wall of one end of the recovery device sleeve is provided with a first operation hole, and the other side wall of the recovery device sleeve is provided with a second operation hole;
the blood taking needle seat body is configured to be provided with a blood taking needle, the blood taking needle seat body is arranged in the recovery device sleeve, a reset convex clamping piece which can be connected with the first operation hole or the second operation hole of the recovery device sleeve in a buckling mode is arranged on the side edge of the blood taking needle seat body, and the blood taking needle seat body is integrally recovered into the recovery device sleeve through buckling of the reset convex clamping piece and the first operation hole and buckling of the reset convex clamping piece and the second operation hole after rebounding; and
the elastic piece is arranged between the blood taking needle seat body and the first supporting part, two ends of the elastic piece are respectively supported by the blood taking needle seat body and the first supporting part, and the elastic piece has the tendency that the blood taking needle seat body moves towards the direction far away from the first supporting part.
The blood taking needle recovery device is characterized in that two first operation holes which are symmetrical to each other are formed in the side wall of one end of the recovery device sleeve and used for locking the blood taking needle seat body provided with the blood taking needle at the top end of the recovery device sleeve and enabling the blood taking needle to fall out of the blood taking needle;
two symmetrical second operation holes are formed in the side wall of the other end of the recovery device sleeve and used for locking the blood taking needle seat body in the recovery device sleeve and hiding the blood taking needle in the recovery device sleeve.
The blood taking needle recovery device is characterized in that two reset convex clamping pieces which can be connected with the first operation hole of the recovery device sleeve or the second operation hole in a buckling mode are symmetrically arranged on the side edge of the blood taking needle base body.
The blood taking needle recovery device is characterized in that the tail end of a sleeve of the recovery device is integrally provided with a rear protective cover which can be opened or closed.
The blood taking needle recovery device, wherein, it still includes: the front protective cover is detachably arranged at the front end of the recovery device sleeve.
The blood taking needle recovery device is characterized in that the outer wall of the blood taking needle seat body is provided with at least one convex strip used for guiding the blood taking needle seat body in the up-and-down motion of the recovery device sleeve, correspondingly, the inner side wall of the recovery device sleeve is provided with at least one guide groove used for guiding the blood taking needle seat body in the up-and-down motion of the recovery device sleeve.
The blood taking needle recovery device comprises a recovery device sleeve, a blood taking needle seat body and a blood taking needle, wherein the recovery device sleeve comprises a first cylinder body, a second cylinder body and a third cylinder body which are sequentially connected, a second abutting part is arranged at the joint of the first cylinder body and the second cylinder body, the blood taking needle seat body is arranged in the second cylinder body and can abut against the second abutting part, the first abutting part is arranged at the joint of the second cylinder body and the third cylinder body, and a third abutting part is arranged on the inner wall of the tail end of the third cylinder body;
the blood taking needle seat body comprises a first seat body and a second seat body which are connected, the second seat body is configured to be provided with a blood taking needle, and the second seat body can stretch into the inside of the second cylinder body.
The blood taking needle recovery device comprises a blood taking needle, wherein the blood taking needle comprises a base and a needle body fixed on the base, a mounting hole for mounting the blood taking needle is formed in the middle of the blood taking needle base, and the blood taking needle is mounted in the mounting hole in a threaded mode.
The blood taking needle recovery device is characterized in that the elastic element is a spring, the reset protruding part is an elastic reset protruding part arranged on the side edge of the blood taking needle seat body, when the blood taking needle seat body is assembled at the top end of the recovery device sleeve, the reset protruding part is connected with the first operation hole in a buckling mode, and when the blood taking needle seat body rebounds, the reset protruding part is connected with the second operation hole in a buckling mode at the tail end of the recovery device sleeve.
A lancet recovery device assembly, wherein, including a blood collection tube and a lancet recovery device as above, a rubber tube of a lancet can be inserted into the blood collection tube.
The beneficial effect of this application is: this application is through the blood taking needle recovery unit that above-mentioned scheme obtained, when needing to draw blood, installs the blood taking needle at the blood taking needle pedestal earlier, and the blood taking needle pedestal is connected through the protruding piece of card that resets and the first handle hole lock joint of recovery unit sleeve inner wall, and the elastic component is compressed between first support portion and blood taking needle pedestal, then draws blood.
After blood drawing is finished, the pressing rebounding device and the first operating hole arranged in the recovery device sleeve are separated in a releasing mode by operating the reset convex clamping piece pressing the blood taking needle base, the compressed elastic piece has restoring force, under the action of the restoring force, the blood taking needle base is pushed to move in the direction away from the first abutting part, and the blood taking needle also moves along with the blood taking needle base; when the blood taking needle seat body is recovered to the proper position of the recovery device sleeve, and the reset convex clamping piece of the pressing rebounding device is buckled with the second operation hole formed in the recovery device sleeve, the blood taking needle moves to the interior of the recovery device sleeve, the blood taking needle seat body is just recovered inside the recovery device sleeve, and the blood taking needle can be prevented from pricking a person under the protection effect of the recovery device sleeve. It can be retrieved the blood taking needle in an appointed space, avoids stabbing the people to simple structure, convenient operation.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic perspective view of a lancet recovery device according to an embodiment of the present invention.
FIG. 2 is an exploded view schematically showing a lancet retraction device according to an embodiment of the present invention.
FIG. 3 is a schematic view of a lancet mounting process of the lancet holder of the lancet recovery device according to the embodiment of the present application.
Icon: 100-a lancet recovery device; 110-a recovery device sleeve; a lancet body 120; 111-a first cylinder; 112-a second cylinder; a third cylinder 113; 1121 — a first abutting portion; 1111-a second abutting portion; 1131 — a third abutting portion; 114-a first access hole; 117-guide groove; 123-a first seat body; 124-a second seat body; 160-a blood collection needle; 161-a base; 162-needle body.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "upper", "lower", "length", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Examples
As shown in fig. 1 and 2, a lancet recovery device 100 according to an embodiment of the present invention includes: a recovery device sleeve 110, a lancet holder body 120, and an elastic member 130;
the recovery device sleeve 110 has a first supporting portion 1121 inside for supporting the elastic member 130, and one end of the recovery device sleeve 110 has a first operation hole 114 and the other end has a second operation hole 115; wherein the first operation hole 114 is used for locking the lancet body 120 when the lancet body 120 mounted with the lancet 160 is pushed by the elastic member 130 so that the lancet 160 falls out of the end of the recovery device sleeve 110 at the time of blood collection. The second operation hole 115 is used for the lancet holder body 120 to which the lancet 160 is mounted to be retracted to lock the lancet holder body 120 at the time of the recovery device sleeve 110.
As shown in fig. 3, the lancet holder body 120 is configured to mount a lancet 160, the lancet holder body 120 is mounted in the retraction device sleeve 110, and a reset protrusion 121 that can be snap-coupled with the first operation hole 114 or the second operation hole 115 of the retraction device sleeve 110 is disposed on a side of the lancet holder body 120, so that the lancet 160 falls out of the retraction device sleeve 110 through the snap-coupling of the reset protrusion 121 with the first operation hole 114 during blood collection; after the blood collection is completed, the blood collection needle holder body 120 is restored after rebounding, and the snap-fit protruding part 121 is buckled with the second operation hole 115, so that the whole blood collection needle holder body 120 is recovered into the recovery device sleeve 110; avoid stabbing people.
As shown in fig. 2, the elastic member 130 is installed between the lancet holder body 120 and the first supporting portion 1121 of the recovery device sleeve 110, and two ends of the elastic member 130 respectively support against the lancet holder body 120 and the first supporting portion 1121, and the elastic member 130 tends to move the lancet holder body 120 in a direction away from the first supporting portion 1121.
In this embodiment, fig. 2 shows an exploded view of the lancet recovery device 100, and the lancet recovery device 100 can recover the lancet 160 into the recovery device sleeve 110 to prevent the lancet 160 from stabbing a person.
As shown in fig. 1, 2, and 3, the lancet 160 is threadedly mounted on the lancet holder body 130; when the restoring protrusion 121 of the lancet holder body is connected to the first operation hole 114 of the retraction sleeve 110 in a low-contact manner, the elastic member 150 is compressed between the first abutting portion 1121 and the lancet holder body 120.
In one embodiment, as shown in fig. 2, the lancet recovery device 100 has two first operating holes 114 formed in a sidewall of one end of the recovery device sleeve 110 and symmetrical with each other, for locking the lancet body 120 with the lancet mounted thereon at the top end of the recovery device sleeve 110 and dropping the lancet 160.
The other end of the recovery device sleeve 110 is provided with two symmetrical second operation holes 115 for locking the lancet holder body 120 in the recovery device sleeve 110 and hiding the lancet in the recovery device sleeve 110.
In one embodiment, as shown in fig. 2, the lancet recovery device 100 has two restoring protrusions 121 symmetrically disposed on the side of the lancet holder body 120 and capable of being buckled with the first operation hole 114 or the second operation hole 115 of the recovery device sleeve 110. Preferably, the reset protruding part 121 is an elastic reset protruding part 121 disposed at a side of the blood lancet holder body 120, when the blood lancet holder body 120 is assembled at the top end of the recovery device sleeve 110, the reset protruding part 121 is fastened to the first operation hole 114, and when the blood lancet holder body 120 rebounds at the end of the recovery device sleeve 110, the reset protruding part 121 is fastened to the second operation hole 115. The blood collection needle holder body 120 is integrally recovered into the recovery device sleeve 110; avoid stabbing people.
In one embodiment, as shown in fig. 1 and 2, the lancet retraction device 100 has a rear protective cap 116 integrally formed at the end of the retraction device sleeve 110 to be opened or closed. In this embodiment, by providing the rear protection cover 116, the lancet body 120 on which the lancet is mounted can be integrally recovered to the inside of the recovery device sleeve 110, and then the rear protection cover 116 is covered, so that the lancet recovery device 100 can be recovered without pricking the fingers of the user. Meanwhile, the rear protective cover can prevent the lancet holder body 120 from being ejected out of the first cylinder 111.
In one embodiment, the lancet collection device 100, as shown in fig. 2, further includes: a front protective cover 140, wherein the front protective cover 140 is detachably disposed at the front end of the recovery device sleeve 110. The front protective cover 140 is used to prevent the lancet 160 from being exposed outside the recovery device sleeve 110 before blood collection.
As shown in fig. 2 and 3, the outer wall of the lancet holder body 120 is provided with at least one protrusion 122 for guiding the lancet holder body 120 to move up and down in the retraction sleeve 110, and correspondingly, the inner sidewall of the retraction sleeve 110 is provided with at least one guide groove 117 for guiding the lancet holder body 120 to move up and down in the retraction sleeve 110. When the lancet holder 120 moves up and down in the retraction device sleeve 110, the protrusion 122 and the guide groove 117 are engaged to perform positioning and guiding, so that the lancet holder 120 does not move up and down in the retraction device sleeve 110.
Alternatively, in order to allow the lancet body 120 to be more stably mounted in the recovery device sleeve 110 and to be movable back and forth in the recovery device sleeve 110, the outer wall of the lancet body 120 of the present embodiment is fitted to the inner wall of the recovery device sleeve 110.
In one embodiment, the lancet recovery device 100, as shown in fig. 2, the recovery device sleeve 110 includes a first cylinder 111, a second cylinder 112 and a third cylinder 113 connected in sequence, the first cylinder 111 has an outer diameter larger than that of the second cylinder 112, and the second cylinder 112 has an outer diameter larger than that of the third cylinder 113; the connection between the first cylinder 111 and the second cylinder 112 is provided with a second abutting portion 111, the lancet holder body 120 is installed in the second cylinder 112 and can abut against the second abutting portion 111, the first abutting portion 1121 is disposed at the connection between the second cylinder 112 and the third cylinder 113, the first abutting portion 1121 is used for abutting against the elastic member 130, a third abutting portion 1131 is disposed on the inner wall of the end of the third cylinder 113, and the third abutting portion 1131 can prevent the lancet 160 from being ejected.
As shown in fig. 2, the lancet body 120 comprises a first housing 123 and a second housing 124 which are connected, the second housing 124 is configured to mount a lancet 160, and as shown in fig. 3, the second housing 124 can extend into the second barrel 112.
In one embodiment, the lancet recycling device 100, as shown in fig. 3, further includes a lancet 160, the lancet 160 includes a base 161 and a needle body 162 fixed to the base 161; the middle of the lancet holder body 120 is provided with a mounting hole 125 for mounting the lancet 160, and the lancet 160 is threadedly mounted in the mounting hole 125. When the lancet holder 120 moves in the retraction sleeve 110, the lancet 160 is driven to extend out of the retraction sleeve 110 or retracted and hidden in the retraction sleeve 110.
Further, in the lancet collection device 100, as shown in fig. 2, the elastic member 130 is a spring. The spring has a good elastic restoring force to facilitate the retraction of the lancet 160 in the recovery device sleeve 110. In other embodiments, the elastic member 150 may be a bent elastic sheet, and the specific structure of the elastic member 150 is not limited in this application as long as it has elasticity and can stretch and contract.
Based on the above embodiments, the present application further provides a lancet recovery device assembly, including the lancet recovery device 100 of the above embodiments, and a blood collection tube; the rubber tube 163 of the lancet 160 can be inserted into the blood collection tube, as shown in fig. 3.
The blood collection tube can be inserted into the first cylinder 111 and is abutted against the lancet holder 120 at the level of the first operation hole 114, the rubber tube 163 of the lancet 160 is inserted into the blood collection tube through the mounting hole 125 of the lancet holder 120, and the blood collection tube is in a negative pressure state, at this time, blood can be drawn.
After the blood drawing is finished, the reset convex clamping piece 121 of the blood taking needle holder body is operated to enable the press rebounding device to be separated from the first operation hole 114 arranged on the recovery device sleeve 110 in a tripping way, the compressed elastic piece 130 has a restoring force, under the action of the restoring force, the blood taking needle holder body 120 is pushed to move in the direction away from the first abutting part 1121, and the blood taking needle also moves along with the blood taking needle holder body 120; when the lancet holder body 120 is retracted to a proper position of the retraction device sleeve 110, and the reset protruding part 121 of the springback device is pressed to be buckled with the second operation hole 115 formed in the retraction device sleeve 110, the lancet moves to the inside of the retraction device sleeve 110, the lancet holder body 120 is also just retracted inside the retraction device sleeve 110, and the lancet can be prevented from pricking a person under the protection effect of the retraction device sleeve 110.
The beneficial effect of this application is: according to the blood taking needle recovery device obtained by the above scheme, when blood needs to be taken out, the blood taking needle is firstly installed on the blood taking needle seat body 120, the blood taking needle seat body 120 is connected with the first operation hole 114 on the inner wall of the recovery device sleeve 110 in a buckling manner through the reset protruding part 121, and the elastic part 130 is compressed between the first abutting part 1121 and the blood taking needle seat body 120, so that the blood is taken out.
After the blood drawing is finished, the reset convex clamping piece 121 of the blood taking needle holder body is operated to enable the press rebounding device to be separated from the first operation hole 114 arranged on the recovery device sleeve 110 in a tripping way, the compressed elastic piece 130 has a restoring force, under the action of the restoring force, the blood taking needle holder body 120 is pushed to move in the direction away from the first abutting part 1121, and the blood taking needle also moves along with the blood taking needle holder body 120; when the lancet holder body 120 is retracted to a proper position of the retraction device sleeve 110, and the reset protruding part 121 of the springback device is pressed to be buckled with the second operation hole 115 formed in the retraction device sleeve 110, the lancet moves to the inside of the retraction device sleeve 110, the lancet holder body 120 is also just retracted inside the retraction device sleeve 110, and the lancet can be prevented from pricking a person under the protection effect of the retraction device sleeve 110. It can be retrieved the blood taking needle in an appointed space, avoids stabbing the people to simple structure, convenient operation.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A blood lancet recovery device, comprising:
the recovery device sleeve is internally provided with a first abutting part, one side wall of one end of the recovery device sleeve is provided with a first operation hole, and the other side wall of the recovery device sleeve is provided with a second operation hole;
the blood taking needle seat body is configured to be provided with a blood taking needle, the blood taking needle seat body is arranged in the recovery device sleeve, a reset convex clamping piece which can be connected with the first operation hole or the second operation hole of the recovery device sleeve in a buckling mode is arranged on the side edge of the blood taking needle seat body, and the blood taking needle seat body is integrally recovered into the recovery device sleeve through buckling of the reset convex clamping piece and the first operation hole and buckling of the reset convex clamping piece and the second operation hole after rebounding; and
the elastic piece is arranged between the blood taking needle seat body and the first supporting part, two ends of the elastic piece are respectively supported by the blood taking needle seat body and the first supporting part, and the elastic piece has the tendency that the blood taking needle seat body moves towards the direction far away from the first supporting part.
2. The lancet recovery device according to claim 1, wherein two first operation holes symmetrical to each other are formed in a sidewall of one end of the recovery device sleeve for locking the lancet holder body with the lancet mounted thereon at the top end of the recovery device sleeve and exposing the lancet;
two symmetrical second operation holes are formed in the side wall of the other end of the recovery device sleeve and used for locking the blood taking needle seat body in the recovery device sleeve and hiding the blood taking needle in the recovery device sleeve.
3. The lancet recovery device according to claim 1, wherein two restoring protruding members capable of being buckled with the first operation hole or the second operation hole of the recovery device sleeve are symmetrically arranged on the side of the lancet holder body.
4. The lancet retraction device according to claim 1, wherein a rear protective cover is integrally provided at the distal end of the retraction device sleeve to be opened or closed.
5. The lancet recovery device of claim 1, further comprising: the front protective cover is detachably arranged at the front end of the recovery device sleeve.
6. The lancet recovery device according to any one of claims 1 to 5, wherein the outer wall of the lancet body is provided with at least one protrusion for guiding the lancet body in the vertical movement of the recovery device sleeve, and correspondingly, the inner sidewall of the recovery device sleeve is provided with at least one guide groove for guiding the lancet body in the vertical movement of the recovery device sleeve.
7. The lancet recovery device according to any one of claims 1 to 5, wherein the recovery device sleeve comprises a first cylinder, a second cylinder and a third cylinder which are connected in sequence, a second abutting part is arranged at the joint of the first cylinder and the second cylinder, the lancet holder body is mounted in the second cylinder and can abut against the second abutting part, the first abutting part is arranged at the joint of the second cylinder and the third cylinder, and a third abutting part is arranged on the inner wall of the tail end of the third cylinder;
the blood taking needle seat body comprises a first seat body and a second seat body which are connected, the second seat body is configured to be provided with a blood taking needle, and the second seat body can stretch into the inside of the second cylinder body.
8. The lancet recovery device of claim 1, further comprising a lancet; the blood taking needle comprises a base and a needle body fixed on the base, wherein a mounting hole for mounting the blood taking needle is formed in the middle of the blood taking needle base, and the blood taking needle is mounted in the mounting hole in a threaded manner.
9. The lancet recovery device according to any one of claims 1 to 5, wherein the elastic member is a spring; the blood taking needle seat body is assembled on the top end of the recovery device sleeve, the reset convex clamping piece is connected with the first operation hole in a buckling mode, and when the blood taking needle seat body rebounds at the tail end of the recovery device sleeve, the reset convex clamping piece is connected with the second operation hole in a buckling mode.
10. A lancet recovery device assembly comprising a blood collection tube into which a rubber tube of the lancet can be inserted, and the lancet recovery device of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893028.7U CN212546945U (en) | 2019-11-05 | 2019-11-05 | Blood taking needle recovery device and assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893028.7U CN212546945U (en) | 2019-11-05 | 2019-11-05 | Blood taking needle recovery device and assembly thereof |
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| CN212546945U true CN212546945U (en) | 2021-02-19 |
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| CN201921893028.7U Active CN212546945U (en) | 2019-11-05 | 2019-11-05 | Blood taking needle recovery device and assembly thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833424A (en) * | 2019-11-05 | 2020-02-25 | 曹春荣 | Blood taking needle recovery device and assembly thereof |
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2019
- 2019-11-05 CN CN201921893028.7U patent/CN212546945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833424A (en) * | 2019-11-05 | 2020-02-25 | 曹春荣 | Blood taking needle recovery device and assembly thereof |
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