CN214965653U - Disposable automatic puncture-proof venous blood sampling and transfusion device - Google Patents
Disposable automatic puncture-proof venous blood sampling and transfusion device Download PDFInfo
- Publication number
- CN214965653U CN214965653U CN202120299040.6U CN202120299040U CN214965653U CN 214965653 U CN214965653 U CN 214965653U CN 202120299040 U CN202120299040 U CN 202120299040U CN 214965653 U CN214965653 U CN 214965653U
- Authority
- CN
- China
- Prior art keywords
- needle
- core
- locking
- handle
- needle core
- 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.)
- Active
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a disposable automatic puncture-proof venous blood sampling and transfusion device, which comprises a needle handle, wherein a movable needle core is arranged in the needle handle, the needle core is of a hollow structure, a needle tube is fixedly arranged at the front end of the needle core, and the tail end of the needle core is connected with a catheter; the inner wall of the needle handle is provided with a front limiting table and a rear limiting table which limit the needle core; the middle part of the needle handle is provided with a locking mechanism matched with the needle core, the front end of the needle core is sleeved with a pushing mechanism, and when the locking mechanism is released, the pushing mechanism pushes the needle core to move backwards, so that the needle tube enters the needle handle; cooperate through nook closing member, needle handle, locking mechanical system and pushing mechanism, can realize after venipuncture blood sampling, can accomplish the back needle action of needle tubing, can make the blood sampling of vein accomplish the back, in the needle tubing can accomodate into the needle handle when abandoning, effectual solved blood sampling accomplish the back syringe needle expose to medical personnel's injury, avoid the injury to medical personnel's unnecessary.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a disposable automatic puncture-preventing venous blood sampling and transfusion device.
Background
A large amount of blood transfusion leads to corresponding development of blood sampling work, but in the blood sampling process, if a blood-sampled person carries infectious germs, a blood sampling device can also carry the infectious germs. The blood sampling needle tube in the hemostix is beneficial to puncture into the body of a blood donor due to the sharpness, but also can injure blood collection nursing personnel or medical waste disposal personnel by mistake after the blood collection is finished.
According to incomplete statistics, 3500-12000 medical workers are diagnosed to be infected by needle point puncture every year. The problem of cross infection in blood sampling and transfusion instruments and syringes is further emphasized by people. In order to eliminate the injury of the exposed needle tip of the vein blood collection and transfusion instrument to medical personnel, an automatic puncture-preventing vein blood collection and transfusion instrument is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect or not enough, the utility model aims to provide a disposable automatic puncture-preventing venous blood sampling and transfusion device.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a disposable automatic puncture-preventing venous blood sampling and transfusion device comprises a needle handle, wherein a movable needle core is arranged in the needle handle, the needle core is of a hollow structure, a needle tube is fixedly arranged at the front end of the needle core, and the tail end of the needle core is connected with a catheter; the inner wall of the needle handle is provided with a front limiting table and a rear limiting table which limit the needle core; the middle part of the needle handle is provided with a locking mechanism matched with the needle core, the front end of the needle core is sleeved with a pushing mechanism, when the locking mechanism is released, the pushing mechanism pushes the needle core to move backwards, and the needle tube enters the needle handle.
The locking mechanism comprises a locking piece and a locking platform which are arranged on the outer wall of the middle part of the needle handle, a locking opening is arranged on the edge of the locking piece, and the locking opening is buckled with the locking platform; the locking piece is provided with a spring limiting table, the needle handle is provided with a spring limiting groove matched with the spring limiting table, and the spring limiting groove is communicated with the inner cavity of the needle handle; after the locking pieces are buckled, the spring limiting table penetrates through the spring limiting groove to be inserted into the needle core, and the needle core is locked.
The stylet middle part is sequentially provided with a front locking platform, a locking groove and a rear locking groove from top to bottom, and the locking groove is clamped with the spring limiting platform to limit the locking of the stylet.
The pushing mechanism comprises a spring sleeved at the end part of the needle core, one end of the spring is connected with the front end of the needle handle, and the other end of the spring is connected with the needle core.
The front end of the needle handle is provided with a front limit table and a directional groove; the front end of the needle core is provided with a front stop table matched with the front limiting table and a directional rib matched with the directional groove.
Before use, the stylet is in a locked state and the spring is compressed; after the needle tube is used, the needle tube is pulled out, the locking of the locking mechanism is released, the needle core is in a releasing state, the pressure of the spring is released, the needle core is pushed to move outwards, and the needle tube is enabled to move into the needle handle.
After the stylet moves backwards, the stylet is fixedly clamped by the rear limiting table through the elasticity of the spring, so that the stylet and the needle tube can not move any more.
The needle core is provided with a needle tube limiting table, and the needle tube is inserted into the needle core and then is contacted with the needle tube limiting table; the needle tube is provided with a needle protection cap.
The outer wall of the needle handle is provided with a wing panel.
The wing plates are provided with anti-slip grooves and anti-slip tables.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a disposable automatic puncture-proof venous blood taking needle cooperatees through nook closing member, needle handle, locking mechanical system and pushing mechanism, can realize after the phlebotomy blood sampling, can accomplish the back needle action of needle tubing, can make venous blood sampling accomplish the back, in the needle handle can be accomodate into to the needle tubing when abandoning, effectual solved venous blood sampling accomplish the back syringe needle and expose the injury to medical personnel, avoid the injury to medical personnel unnecessary. Additionally, the utility model discloses the device does not influence its application method when improving vein blood sampling safety, and specially adapted blood station, hospital blood sampling department, plasma station are to the use of the person that needs venipuncture blood sampling. The device has the advantages of scientific and reasonable design, simple structure, reliable effect and low cost.
Drawings
FIG. 1 is a schematic view of the disposable automatic anti-needling venous blood collection and transfusion device of the present invention;
FIG. 2 is a sectional view of the disposable automatic anti-needle-prick venous blood collecting and transfusing device of the present invention;
FIG. 3 is a schematic view of the structure of the disposable automatic anti-needle-prick venous blood collection and transfusion device needle handle;
FIG. 4 is a sectional view of the structure of the needle handle of the disposable automatic anti-needling venous blood collection and transfusion device of the present invention;
FIG. 5 is a schematic view of the structure of the disposable automatic anti-needle-prick venous blood collection and transfusion device needle core of the present invention;
FIG. 6 is a schematic structural view of the disposable automatic anti-needle-prick venous blood collection and transfusion device of the present invention after use;
fig. 7 is a cross sectional view of the disposable automatic anti-needling venous blood collection and transfusion device of the utility model after use.
In the figure, 1000-needle handle; 2000-stylet; 3000-needle tube; 4000-protective cap; 5000-spring; 1001-front limit table; 1002-a rear limiting table; 1003-spring limit table; 1004-a locking port; 1005-a locking station; 1006-a spring retaining groove; 1007-a directional tank; 1008-locking tabs; 1009-fins; 1010-slip prevention; 1011-anti-slip groove; 2001-front locking stage; 2002-locking grooves; 2003-a back locking station; 2004-oriented ribs; 2005-catheter bonding station; 2006-needle tubing limit station; 2007-forward stop table.
Detailed Description
The present invention will be described in detail with reference to the drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a disposable automatic puncture-proof venous blood sampling and transfusion device, which comprises a needle handle 1000, a movable needle core 2000 is arranged in the needle handle 1000, the needle core 2000 is a hollow structure, a needle tube 3000 is fixedly arranged at the front end of the needle core 2000, and the tail end of the needle core 2000 is connected with a catheter; the inner wall of the needle handle 1000 is provided with a front limiting table 1001 and a rear limiting table 1002 which limit the needle core 2000; the middle part of the needle handle 1000 is provided with a locking mechanism matched with the needle core 2000, the front end of the needle core 2000 is sleeved with a pushing mechanism, when the locking mechanism is released, the pushing mechanism pushes the needle core 2000 to move backwards, and the needle tube 3000 enters the needle handle 1000.
Specifically, the top end of the needle handle 1000 is provided with a front limit table 1001, an orientation groove 1007 and a wing 1009, the middle part is provided with a spring limit groove 1006, a locking table 1005 and a locking piece 1008, the rear part is provided with a rear limit table 1002, the wing 1009 is provided with an anti-slip table 1010 and an anti-slip groove 1011, and the locking piece 1008 is provided with a locking port 1004 and a spring limit table 1003; the needle core 2000 has a tip provided with an orientation rib 2004 and a forward stop 2007, a front locking stage 2001, a locking groove 2002 and a rear locking stage 2003, a rear end provided with a tube bonding stage 2005, and an inside needle tube bonding stage 2005.
As shown in fig. 3 and 4, the locking mechanism comprises a locking piece 1008 and a locking platform 1005, the locking piece 1008 is arranged on the outer wall of the middle part of the needle handle 1000, a locking opening 1004 is arranged on the edge of the locking piece 1008, and the locking opening 1004 is buckled with the locking platform 1005; the locking piece 1008 is provided with a spring limiting table 1003, the needle handle 1000 is provided with a spring limiting groove 1006 matched with the spring limiting table 1003, and the spring limiting groove 1006 is communicated with the inner cavity of the needle handle 1000; when the locking tab 1008 is snapped, the spring retaining land 1003 is inserted into the stylet 2000 through the spring retaining groove 1006, locking the stylet 2000.
As shown in fig. 5, a front locking step 2001, a locking step 2002, and a rear locking step 2003 are provided in the middle of the stylet 2000 in this order from the top, and the locking step 2002 is engaged with the spring stopper 1003 to lock and limit the stylet 2000.
The pushing mechanism comprises a spring 5000 sleeved at the end of the stylet 2000, one end of the spring 5000 is connected with the front end of the stylet 1000, and the other end is connected with a front locking platform 2001 of the stylet 2000. Illustratively, the spring 5000 is installed inside the needle handle 1000 and outside the needle core 2000, and the front end of the needle handle 1000 is provided with a front limit stop 1001 and a directional groove 1007; the front end of the stylet 2000 is provided with a front stop 2007 matching with the front stop 1001 and an orientation rib 2004 matching with the orientation groove 1007. The front stop 2007 at the front end of the needle core 2000 is limited by the front limit 1000 at the front end of the needle handle 1000; the orientation rib 2004 at the front end of the needle core 2000 is oriented by the orientation groove 1007 at the front end of the needle handle 1000;
before venipuncture is used, the stylet 2000 is in a locked state, and the front stopping stage 2007 at the front end of the stylet 2000 is limited by the front limiting stage 1000 at the front end of the needle handle 1000; the orientation rib 2004 at the front end of the needle core 2000 is oriented by the orientation groove 1007 at the front end of the needle handle 1000; the locking piece 1008 on the needle handle 1000 is bent back, so that the locking port 1004 on the locking piece 1008 is locked by the locking platform 1005, and meanwhile, the spring limiting platform 1003 is bent into the spring limiting groove 1006; the locking groove 2002 on the stylet 2000 is limited by the spring limit table 1003 on the stylet 1000; at this time, the spring 5000 is pressed by the front lock 2001 of the stylet 2000, and the elastic force is compressed.
After the venipuncture is performed, as shown in fig. 6 and 7, the needle tube 3000 is pulled out from the vein, the locking piece 1008 of the needle handle 1000 is moved upward, the locking port 1004 is disengaged from the locking platform 1005, the spring retaining platform 1003 of the needle handle 1000 is disengaged from the spring retaining groove 1006, the locking groove 2002 of the needle core 2000 is disengaged from the spring retaining platform 1003 of the needle handle 1000, the needle core 2000 is in a releasing state, the pressure of the spring 5000 is released, the outward movement of the needle core 2000 is pushed, and the needle tube 3000 is moved into the needle handle 1000.
After the stylet 2000 moves backwards, the stylet 2000 is fixedly clamped by the rear limit table 1002 through the elasticity of the spring 5000, so that the stylet 2000 and the needle tube 3000 can not move any more. Specifically, the rear locking stage 2003 crosses the rear limiting stage 1002 of the needle handle 1000, so that the locking stage 1002 is clamped on the rear limiting stage 1002, and the needle core 2000 and the needle tube 3000 can not move any more through the elasticity of the spring 5000.
Further, a needle tube limit table 2006 is arranged on the needle core 2000, and the needle tube 3000 is inserted into the needle core 2000 and then contacts with the needle tube limit table 2006; the needle tube 3000 is provided with a needle guard 4000. The lower end of the needle tube 3000 is fixedly arranged on a needle tube limit table 2006 of the needle core 2000, and for example, the needle tube 3000 is glued in a central mounting hole of the needle core 2000; the orientation rib 2004 of the needle core 2000 is arranged in the orientation groove 1007 of the needle handle 1000; the forward stop 2007 of the stylet 2000 is mounted on the forward stop 1001 of the needle shaft 1000; the needle handle 1000 locking port 1004 is locked at the locking platform 1005; the spring limiting table 1003 of the needle handle 1000 is arranged at the spring limiting groove 1006; the locking groove 2002 of the needle core 2000 is locked at the spring position table 1002 of the needle handle 1000; the spring 5000 is compressed by the front limit table 1000 of the needle handle 1000; the cap 4000 is installed at the front end of the stylet 2000.
Preferably, said needle handle 1000 is provided with a fin 1009; the anti-slip table 1010 and the anti-slip groove 1011 are arranged on the wing pieces, and the anti-slip table 1010 and the anti-slip groove 1011 are in clamping fit to prevent slipping when venipuncture is performed; the needle handle 1000 is provided with a front limit table 1002 and a directional groove 1007 to prevent the inclined surface of the needle tube from rolling during venipuncture; the needle handle 1000 is provided with a spring limiting table 1003 and a spring limiting groove 1006, and the elastic force of the spring 5000 is prevented from being released before use; the needle handle 1000 is provided with a locking platform 1005 for locking a locking port 1004 to prevent the spring limiting platform 1003 from moving; the needle handle 1000 is provided with a locking piece 1008; the locking piece 1008 is provided with a locking port 1004; the needle handle 1000 is provided with a rear locking platform to prevent the needle cannula from moving again after rebounding.
Preferably, the stylet 2000 is provided with a forward stop 2007 to prevent the stylet 1000 from protruding from the front end of the needle handle 1000; the stylet 2000 is provided with a front locking stage 2001 and a rear locking stage 2003 for preventing the stylet 2000 from moving back and forth; the needle core is provided with a directional rib 2004 and is arranged in a directional groove 1007 of the needle handle 1000 to prevent the needle tube 3000 from rolling during venipuncture; the needle core 2000 is provided with a catheter bonding table 2005 which is used for limiting during catheter bonding; the needle core 2000 is provided with a needle tube limit station 2006 for preventing the needle tube 3000 from sliding downwards when the needle tube 3000 is bonded and not solidified.
Further, the locking port 1004 of the locking piece 1008 of the needle handle 1000 is pulled out of the locking base 1005; the spring stop of the needle handle 1000 locking tab 1008 is carried away from the spring stop groove 1006; the spring 5000 pressure is released; the front limit platform 2001 of the needle core 2000 is pushed outwards by the spring 5000 to drive the needle tube 3000 to move towards the needle handle 1000; the back limit table 2003 of the stylet 2000 crosses over the back limit table 1002 of the needle handle 1000 under the action of elasticity, so that the locking groove 2002 of the stylet 2000 is locked on the back limit table 1002 of the needle handle 1000;
the utility model discloses in, needle cap 4000 has been cup jointed in the outside of nook closing member 2000, prevents to prick medical personnel, and protection needle tubing 3000 is not polluted.
The utility model discloses a theory of operation and process:
1. before venipuncture is used, the needle core 2000 is arranged in the needle handle 1000, the spring 5000 is positioned outside the needle core 2000 in the needle handle 1000 and is compressed by a front limiting table of the needle core 2000, the needle tube 3000 is bonded and fixed on the needle core 2000, and the protective cap 4000 is worn at the front end of the needle core 2000;
2. when the intravenous puncture is used, the protective cap 4000 is removed, and the wing piece 1009 of the needle handle 1000 is folded, so that the anti-sliding table 1010 is locked with the anti-sliding groove 1011, the needle tube 3000 is punctured into the intravenous blood vessel, and blood is collected;
3. after the blood collection is completed, the needle tube 3000 is pulled out from the vein;
4. the locking piece 1008 on the needle handle 1000 is released, so that the locking port 1004 on the locking piece 1008 is separated from the locking platform 1005, the spring limiting platform 1003 on the locking piece 1008 is driven to leave the spring limiting groove 1006, the elastic force of the spring 5000 is released, the needle core 2000 together with the needle tube 3000 is driven to move backwards, the rear locking platform 2003 of the needle core 2000 crosses the rear limiting platform 1002 of the needle handle 1000 by the elastic force of the spring 5000, the locking groove 2002 of the needle core 2000 is locked, and the acupuncture-proof action is completed.
It should be apparent to those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and therefore, the modifications and changes that can be made by those skilled in the art to some parts of the present invention still embody the principles of the present invention, and the objects of the present invention are achieved, all falling within the scope of the present invention.
Claims (10)
1. The disposable automatic puncture-preventing venous blood sampling and transfusion device is characterized by comprising a needle handle (1000), wherein a movable needle core (2000) is arranged in the needle handle (1000), the needle core (2000) is of a hollow structure, a needle tube (3000) is fixedly arranged at the front end of the needle core (2000), and the tail end of the needle core (2000) is connected with a catheter; the inner wall of the needle handle (1000) is provided with a front limiting table (1001) and a rear limiting table (1002) which limit the needle core (2000); the middle part of the needle handle (1000) is provided with a locking mechanism matched with the needle core (2000), the front end of the needle core (2000) is sleeved with a pushing mechanism, when the locking mechanism is released, the pushing mechanism pushes the needle core (2000) to move backwards, and the needle tube (3000) enters the needle handle (1000).
2. The disposable automatic needle-prick prevention vein blood collection and transfusion device according to claim 1, wherein the locking mechanism comprises a locking piece (1008) and a locking platform (1005), the locking piece (1008) is arranged on the outer wall of the middle part of the needle handle (1000), a locking opening (1004) is arranged on the edge of the locking piece (1008), and the locking opening (1004) is buckled with the locking platform (1005); a spring limiting table (1003) is arranged on the locking piece (1008), a spring limiting groove (1006) matched with the spring limiting table (1003) is formed in the needle handle (1000), and the spring limiting groove (1006) is communicated with the inner cavity of the needle handle (1000); after the locking piece (1008) is buckled, the spring limiting table (1003) penetrates through the spring limiting groove (1006) to be inserted into the needle core (2000), and the needle core (2000) is locked.
3. The disposable automatic needle prick prevention vein blood collection and transfusion device according to claim 2, characterized in that the middle part of the needle core (2000) is provided with a front locking platform (2001), a locking groove (2002) and a rear locking groove (2003) from top to bottom in sequence, and the locking groove (2002) is engaged with the spring limiting platform (1003) to lock and limit the needle core (2000).
4. The disposable automatic needle-prick prevention venous blood collection and transfusion device according to claim 1, characterized in that the pushing mechanism comprises a spring (5000) sleeved at the end of the needle core (2000), one end of the spring (5000) is connected with the front end of the needle handle (1000), and the other end is connected with the needle core (2000).
5. The disposable automatic needle-prick prevention vein blood collection and transfusion device according to claim 1 or 4, characterized in that the front end of the needle handle (1000) is provided with a front limit table (1001) and an orientation groove (1007); the front end of the stylet (2000) is provided with a front stop table (2007) matched with the front limit table (1001) and an orientation rib (2004) matched with the orientation groove (1007).
6. The disposable automatic needle stick prevention iv set of claim 5 wherein the hub (2000) is in a locked state and the spring (5000) is compressed before use; after the needle tube (3000) is pulled out after use, the locking mechanism is unlocked, the needle core (2000) is in a released state, the pressure of the spring (5000) is released, the outward movement of the needle core (2000) is pushed, and the needle tube (3000) moves into the needle handle (1000).
7. The disposable automatic needle-prick prevention intravenous collection and transfusion device according to claim 6, characterized in that after the needle core (2000) moves backwards, the needle core (2000) is fixedly clamped through the rear limit table (1002) by the elasticity of the spring (5000), so that the needle core (2000) and the needle tube (3000) can not move any more.
8. The disposable automatic puncture-proof venous blood sampling and transfusion device according to claim 1, wherein the needle core (2000) is provided with a needle tube limit platform (2006), and the needle tube (3000) is inserted into the needle core (2000) and then is contacted with the needle tube limit platform (2006); the needle tube (3000) is provided with a needle protection cap (4000).
9. The disposable automatic needle stick prevention vein blood collection and transfusion device according to claim 1, wherein the outer wall of the needle handle (1000) is provided with a fin (1009).
10. The disposable automatic needle stick prevention vein blood collection and transfusion device according to claim 9, wherein the wing (1009) is provided with an anti-slip groove (1011) and an anti-slip platform (1010).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120299040.6U CN214965653U (en) | 2021-02-02 | 2021-02-02 | Disposable automatic puncture-proof venous blood sampling and transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120299040.6U CN214965653U (en) | 2021-02-02 | 2021-02-02 | Disposable automatic puncture-proof venous blood sampling and transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214965653U true CN214965653U (en) | 2021-12-03 |
Family
ID=79145408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120299040.6U Active CN214965653U (en) | 2021-02-02 | 2021-02-02 | Disposable automatic puncture-proof venous blood sampling and transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214965653U (en) |
-
2021
- 2021-02-02 CN CN202120299040.6U patent/CN214965653U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6641555B1 (en) | Fluid collection device with captured retractable needle | |
| US5685862A (en) | Hypodermic needle assembly | |
| US6626868B1 (en) | Needle apparatus | |
| US5013305A (en) | Needle safety system and method | |
| EP0430978B1 (en) | Blood collector cylinder with needle ejector | |
| CA2055158C (en) | Disposable medical needle and catheter placement assembly having full safety enclosure means | |
| US7465294B1 (en) | Retractable hypodermic needle | |
| US11564604B2 (en) | Passive double drive member activated safety blood collection device | |
| CA2684744C (en) | Multifunctional medical access device | |
| CN202554636U (en) | Punch-proof and blood return prevention indwelling needle | |
| CN214965653U (en) | Disposable automatic puncture-proof venous blood sampling and transfusion device | |
| CN112790772A (en) | Disposable automatic puncture-proof venous blood sampling and transfusion device | |
| CN211096659U (en) | Safe ejection vein needle | |
| CN209826744U (en) | Anti-needle-prick disposable blood taking needle | |
| CN211096623U (en) | Safety infusion apparatus capable of preventing needle-stick injury and blood transmission | |
| CN107789040B (en) | Safe medical trocar with limit structure | |
| CN215458487U (en) | Self-locking thyroid puncture needle | |
| CN219251208U (en) | Needle-puncture-preventing venous indwelling needle with wings | |
| CN217219021U (en) | High blood taking needle of security | |
| CN215017560U (en) | Puncture-proof safety blood taking needle | |
| CN109663178B (en) | Automatic safe vacuum anti-needle-punching syringe and needle head returning method | |
| CN212186636U (en) | Arteriovenous puncture trocar | |
| CN219229894U (en) | Blood taking needle with protection function | |
| CN2549982Y (en) | Anti-puncture transfusion device | |
| WO2023177375A2 (en) | An intravenous cannula structure with improved usage features |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220615 Address after: 034000 No. 123, Zitan street, development zone, Xinzhou City, Shanxi Province Patentee after: Shanxi Chengyi Biotechnology Co.,Ltd. Address before: 034000 building 11, Fenghuangyuan, people's Park East Street, Xinzhou Development Zone, Shanxi Province Patentee before: Song Jianqiang |