CN218589367U - Liquid preparation needle head and liquid preparation device - Google Patents
Liquid preparation needle head and liquid preparation device Download PDFInfo
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- CN218589367U CN218589367U CN202221748862.9U CN202221748862U CN218589367U CN 218589367 U CN218589367 U CN 218589367U CN 202221748862 U CN202221748862 U CN 202221748862U CN 218589367 U CN218589367 U CN 218589367U
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- needle
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- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 88
- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 239000012530 fluid Substances 0.000 claims 2
- 239000000843 powder Substances 0.000 abstract description 11
- 208000001840 Dandruff Diseases 0.000 abstract description 8
- 229930182555 Penicillin Natural products 0.000 description 18
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 18
- 229940049954 penicillin Drugs 0.000 description 18
- 238000000034 method Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000002572 peristaltic effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000003708 ampul Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a liquid preparation needle head and a liquid preparation device, wherein the liquid preparation needle head comprises a puncture needle and an inner needle which are coaxially arranged, and a needle seat for installing the puncture needle and the inner needle; an inlet and an outlet I are arranged on the outer side of the puncture needle; the outer side of the inner needle is provided with a second inlet and outlet, the first inlet and outlet and the second inlet and outlet are arranged on the same side, the size of the first inlet and outlet is larger than that of the second inlet and outlet, and the second inlet and outlet is positioned in the first inlet and outlet. The liquid preparation device comprises the liquid preparation needle head, a needle head A and a pump pipe for connecting the needle head A and the liquid preparation needle head. The utility model can effectively avoid the scurf from being brought into the bottle when the bottle cap is punctured, and can effectively realize the mixing of liquid and liquid or liquid and powder; simple structure, practicality are strong.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, relate to a join in marriage liquid syringe needle and join in marriage liquid device.
Background
In the liquid preparation needle head in the prior art, when a penicillin bottle is inserted, a small part of rubber material on a rubber bottle cover is cut off from the bottle cover and is brought into liquid in a bottle body, so that the risk that dander is possibly injected into a human body along with the liquid during injection is caused; the conventional operation mode is that before injection, macroscopic fine dander in the bottle is cleaned, and then injection is carried out after liquid suction; although the mode can avoid the risk that the rubber material enters into the human body along with the injection of the liquid to a certain extent, the mode can take temporary solution and permanent solution, and the problem that the rubber material exists in the liquid when the needle is inserted into the bottle body for matching is not fundamentally solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a join in marriage liquid syringe needle can effectually be avoided inserting xiLin bottle or can stand when the bag, and produced dander enters into the bottle in the insertion process, provides a join in marriage liquid device simultaneously, can effectually realize the mixture of powder and liquid or liquid and liquid, avoids mixing to have the dander in the liquid medicine.
The utility model provides a solution that technical problem adopted is:
a liquid preparation needle head comprises a puncture needle, an inner needle sleeved in the puncture needle, and a needle seat used for installing the puncture needle and the inner needle; an inlet and an outlet I are formed in the outer side of the puncture needle; and an inlet and an outlet II are arranged on the outer side of the inner needle, the inlet and the outlet I are arranged on the same side with the inlet and the outlet II, the size of the inlet and the outlet I is larger than that of the inlet and the outlet II, and the inlet and the outlet II are positioned in the inlet and the outlet I.
Compared with the prior art, a step surface is formed at the joint of the puncture needle and the inner needle, and the step surface cuts the rubber bottle cap of the penicillin bottle when the penicillin bottle is inserted, so that the cut fine dander enters the penicillin bottle or the vertical bag; the utility model wraps the inner needle completely, so that the rubber bottle cap can not be cut in the inserting process, and fine scurf can not be generated; ensures that no fine scurf exists in the formed liquid medicine after the liquid preparation.
The inlet and outlet I and the inlet and outlet II are arranged at the same side, so that the liquid in the penicillin bottle can be effectively impacted, and the mixing of the liquid and the powder is accelerated;
in some possible embodiments, the first inlet/outlet and the second inlet/outlet are kidney-shaped holes, and the long axes of the kidney-shaped holes are parallel to the long axis of the puncture needle.
In some possible embodiments, the length of the first inlet/outlet along the major axis direction is greater than the length of the second inlet/outlet along the major axis direction, and the length of the first inlet/outlet along the minor axis direction is greater than the length of the second inlet/outlet along the minor axis direction.
In some possible embodiments, in order to further avoid the entry of fine dander into the bottle due to the cutting of the cap of the bottle during the insertion of the inlet and outlet on the side wall of the puncture needle;
the opening of the first inlet/outlet is flanged to one side of the second inlet/outlet.
In some possible embodiments, the needle seat is provided with a first inlet/outlet a communicated with the first inlet/outlet and a second inlet/outlet a connected with the second inlet/outlet.
On the other hand:
the utility model also discloses a join in marriage liquid device, include as above join in marriage liquid syringe needle, syringe needle A, be used for connecting syringe needle A and join in marriage the pump line of liquid syringe needle.
When the liquid preparation syringe is used, the liquid preparation syringe needle is inserted into the penicillin bottle or the vertical bag, the syringe needle A is inserted into the penicillin bottle or the vertical bag, and liquid preparation is realized under the action of the peristaltic pump, so that powder and liquid or liquid and liquid can be uniformly mixed; simple structure, practicality are strong.
In some possible embodiments, the needle A and the liquid preparation needle are the same in structure, and the pump tubes are in two groups; the two puncture needles are communicated through one group of pump pipes, and the two inner needles are communicated through the other group of pump pipes.
In some possible embodiments, the needle a is a single needle structure provided with an inlet and an outlet three, the pump tubes are in a group, one end of each pump tube is connected with the needle a, and the other end of each pump tube is communicated with the inner needle.
In some possible embodiments, the needle head a comprises an exhaust needle, an outer needle, a first inner needle, a needle seat a for installing the exhaust needle, the outer needle and the first inner needle, which are coaxially arranged and sequentially sleeved; the exhaust needle is sleeved outside the outer needle, and the inner needle is sleeved in the outer needle;
the exhaust needle is provided with an exhaust hole, the free end of the outer needle is positioned in the exhaust hole, and the free end of the inner needle I penetrates through the free end of the outer needle and is sleeved in the exhaust needle;
the exhaust needle is provided with an exhaust hole, the outer needle is provided with a hole C, the inner needle is provided with a hole D,
the hole C and the hole D are positioned in the exhaust hole;
the two groups of pump pipes are arranged, wherein two ends of one group are respectively communicated with the puncture needle and the outer needle, and two ends of the other group are respectively communicated with the inner needle and the inner needle.
In some possible embodiments, the needle seat a is provided with an access opening a communicating with the outer needle, and an access opening B communicating with the inner needle.
Compared with the prior art, the beneficial effects of the utility model are that:
the dispensing needle head of the utility model has the advantages that the inner needle is sleeved in the puncture needle, when the bottle cap is inserted, only the puncture needle is contacted with the bottle cap and inserted into the bottle body, and the puncture needle and the inner needle can not form a step surface, so that the situation that the bottle cap is cut to generate scurf in the inserting process and the scurf enters the bottle body is effectively avoided;
the utility model arranges the inlet and outlet I and the inlet and outlet II at the same side, thus leading the liquid to enter the bottle body more conveniently and accelerating the mixing with the powder in the bottle body under the action of impact force;
the utility model can be matched with different needles A for liquid preparation, so that the liquid preparation is uniform, the air exhaust can be realized, and the bag expansion condition is avoided;
the utility model discloses simple structure, practicality are strong.
Drawings
FIG. 1 is a schematic structural view of a dispensing needle of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 3 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 4 of the present invention;
FIG. 6 is an enlarged schematic view at B in FIG. 5;
FIG. 7 is a schematic structural view of example 5;
wherein: 1. puncturing needle; 11. an inlet and an outlet I; 2. an inner needle; 21. an inlet and an outlet II; 3. a needle seat; 31. An inlet and an outlet A; 32. an inlet and an outlet A; 4. a pump tube; 10. a needle head A; 101. an exhaust needle; 1011. An exhaust hole; 102. an outer needle; 1021. a hole C; 103. an inner needle I; 1031. and (D) a hole.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in detail below.
Example 1:
as shown in fig. 1 and 2:
a liquid preparation needle head comprises a puncture needle 1, an inner needle 2 which is sleeved in the puncture needle 1 and is coaxially arranged, and a needle seat 3 which is used for installing the puncture needle 1 and the inner needle 2; an inlet and an outlet I11 are arranged on the outer side of the puncture needle 1; the outer side of the inner needle 2 is provided with a second inlet/outlet 21, the first inlet/outlet 11 is arranged on the same side as the second inlet/outlet 21, the size of the first inlet/outlet 11 is larger than that of the second inlet/outlet 21, and the second inlet/outlet 21 is positioned in the first inlet/outlet 11.
Furthermore, a first channel is formed between the puncture needle 1 and the inner needle 2 and is communicated with the first inlet and outlet 11;
compared with the prior art, a step surface is formed at the joint of the puncture needle 1 and the inner needle 2, and the step surface cuts the rubber bottle cap of the penicillin bottle during insertion, so that the cut fine dander enters the penicillin bottle or the vertical bag; the puncture needle 1 of the utility model wraps the inner needle 2 completely, so that the rubber bottle cap can not be cut in the inserting process, and fine scurf can not be generated; ensures that no fine scurf exists in the formed liquid medicine after the liquid preparation.
The size of the first inlet/outlet 11 is larger than that of the second inlet/outlet 21, so that liquid can enter the first channel through the first inlet/outlet 11 or be conveyed from the first channel to the first inlet/outlet 11;
when the liquid in the bottle body inserted by the puncture needle 1 enters the channel I from the first inlet/outlet 11, the second inlet/outlet 21 discharges the liquid from the second inlet/outlet 21 into the inserted bottle body;
the structure of any shape of the first inlet/outlet 11 and the second inlet/outlet 21; as long as the size of the inlet/outlet II 21 is smaller than that of the inlet/outlet I11;
in the utility model, the inlet-outlet I11 and the inlet-outlet II 21 are arranged at the same side, so that the liquid in the penicillin bottle can be effectively impacted, and the mixing of the liquid and the powder is accelerated;
in some possible embodiments, the first port 11 and the second port 21 are kidney-shaped holes, and the long axes of the kidney-shaped holes are parallel to the long axis of the puncture needle 1.
In some possible embodiments, the length of the first port 11 in the long axis direction is greater than the length of the second port 21 in the long axis direction, and the length of the first port 11 in the short axis direction is greater than the length of the second port 21 in the short axis direction.
In some possible embodiments, in order to further avoid the entry of fine dander into the bottle due to the cutting of the bottle cap when the inlet-outlet 11 on the side wall of the puncture needle 1 is inserted;
the opening of the first inlet/outlet 11 is flanged to one side of the second inlet/outlet 21.
The inlet-outlet I11 is arranged on the outer side surface of the puncture needle 1 and is communicated with the interior of the puncture needle, and the flanging arrangement is adopted, so that the bottle cap cannot be cut when the opening of the inlet-outlet I11 is inserted into the bottle cap, and the generation of skin scraps is avoided;
in some possible embodiments, the needle seat 3 is provided with a first port a31 communicating with the first port 11, and a second port a32 connected with the second port 21.
Further, the inlet-outlet one 11 is communicated with the inlet-outlet one A31 through the channel one; the second inlet and outlet 21 is communicated with the second inlet and outlet A32 through a second channel arranged in the inner needle 2.
Example 2:
as shown in fig. 1, 2, and 3:
the embodiment discloses a liquid preparation device, which comprises a liquid preparation needle head, a needle head A10, a pump tube 4 and a liquid preparation needle head, wherein the liquid preparation needle head is used for connecting the needle head A10 with the liquid preparation needle head; the structure of the needle A10 is the same as that of the liquid preparation needle, and the pump pipes 4 are divided into two groups; the two puncture needles 1 are communicated through one group of pump tubes 4, and the two inner needles 2 are communicated through the other group of pump tubes 4.
When the injection is used, the liquid preparation needle head is inserted into a penicillin bottle through the puncture needle 1, the puncture needle 1 of the needle head A10 is inserted into the standing bag, liquid enters the penicillin bottle through the second channel of the needle head A10, the pump pipe 4, the second channel of the liquid preparation needle head and the second inlet/outlet 21 of the inner liquid preparation needle head and is mixed with powder in the penicillin bottle, then enters the standing bag through the first inlet/outlet 11 of the liquid preparation needle head, the first channel of the liquid preparation needle head, the other group of pump pipes 4, the first channel of the needle head A10 and the first inlet/outlet 11 of the needle head A10, and the powder and the liquid are fully mixed through multiple cycles; the needle A10 adopts the structure the same as that of the liquid preparation needle, so that the phenomenon that skin scraps are generated to enter liquid when the needle A is inserted into a bottle is avoided;
preferably, the device also comprises a peristaltic pump matched with the pump tube 4, and the powder and the liquid are mixed under the action of the peristaltic pump;
when the liquid mixing syringe is used, the liquid mixing syringe needle is inserted into a penicillin bottle or a standing bag, the syringe needle A10 is inserted into the penicillin bottle or the standing bag, and liquid mixing is realized under the action of a peristaltic pump, so that powder and liquid can be uniformly mixed; simple structure, practicality are strong.
Example 3:
as shown in figures 1, 2 and 4,
compared with the embodiment 2, the difference of this embodiment is that the structure of the needle a10 is different, the needle a10 in this embodiment is a single needle structure provided with three inlets and three outlets, the pump tubes 4 are in one group, one end of the pump tube 4 is connected with the needle a10, and the other end thereof is communicated with the inner needle 2.
Preferably, the inlet-outlet three-way is communicated with one end of the pump pipe 4 through a third passage arranged in the single-needle structure, and the other end of the pump pipe 4 is communicated with the inlet-outlet two A32, so that the communication between the inlet-outlet three and the inlet-outlet two 21 is realized;
when the liquid mixing ampoule is used, the liquid mixing needle is inserted into the standing bag, the needle A10 is inserted into the ampoule bottle, and liquid is conveyed into the standing bag under the action of the peristaltic pump to realize mixing.
In this embodiment, the first inlet/outlet 11 of the needle holder 3 of the dispensing needle is not sealed, and at this time, it will not be used as a liquid inlet/outlet port of liquid, but as an exhaust port, so that the air pressure in the standing bag and the external air pressure are balanced with each other, and the standing bag expansion is avoided.
The other structures in this embodiment are the same as those in embodiment 1, and are not described in detail here.
Example 4:
as shown in fig. 1, 2, 5, and 6:
the difference between this embodiment and embodiments 1 and 2 is that the structure of the needle head a10 is different, and the needle head a10 in this embodiment includes an exhaust needle 101, an outer needle 102, an inner needle 103, and a needle seat a for mounting the exhaust needle 101, the outer needle 102, and the inner needle 103, which are coaxially arranged and sequentially sleeved;
the needle seat A is provided with an inlet and outlet A communicated with the outer needle 102 and an inlet and outlet B communicated with the inner needle I103;
an exhaust hole 1011 is formed in the exhaust needle 101, a hole C1021 is formed in the outer needle 102, a hole D1031 is formed in the inner needle 103, the hole C1021 and the hole D1031 are arranged on the same side and located on one side close to the exhaust hole 1011, and a distance exists between the hole C1021 and the hole D1031 on the side close to each other; the hole D1031 is arranged on one side of the hole C1021 far away from the needle seat 3;
the free end of the outer needle 102 is positioned in the exhaust hole 1011, and the free end of the inner needle I103 penetrates through the free end of the outer needle 102 and is sleeved in the exhaust needle 101;
the free end is here depicted as the end remote from the hub 3.
The two groups of pump pipes 4 are arranged, wherein two ends of one group are respectively communicated with the puncture needle 1 and the outer needle 102, and two ends of the other group are respectively communicated with the inner needle 2 and the inner needle 103.
The exhaust needle 101 is sleeved outside the outer needle 102, a gap communicated with the exhaust port is formed between the exhaust needle 101 and the outer needle 102, the inner needle 103 is sleeved inside the outer needle 102, a flow passage is formed between the inner needle and the outer needle 102, the flow passage is respectively communicated with the inlet and outlet A and the hole C1021, and an inner flow passage communicated with the hole D1031 and the inlet and outlet B is arranged inside the inner needle 103;
the exhaust needle 101 wraps the outer needle 102 and the inner needle 103 inside, and when the exhaust needle is inserted into the standing bag, only the exhaust needle 101 is contacted with the bottle cap, so that no scurf is generated;
further, flanging is adopted for the opening of the exhaust port and the first inlet/outlet 11 samples;
in the embodiment, the needle seat A of the needle A10 is provided with the inlet and outlet A communicated with the hole C1021 and the inlet and outlet B communicated with the hole D1031, so that an exhaust through hole communicated with an exhaust port is not required to be arranged, when exhausting, the needle A10 can be pulled to ensure that the part of the exhaust hole 1011 is communicated with the outside, and the other part of the exhaust hole 1011 is positioned in a bottle to realize the exhaust;
when the liquid preparation syringe needle is used, the liquid preparation syringe needle is inserted into the penicillin bottle, and the syringe needle A10 is inserted into the standing bag; the liquid in the standing bag is conveyed into the penicillin bottle through the inlet and outlet I21, then the liquid conveying hole C1021 in the penicillin bottle is conveyed into the standing bag through the inlet and outlet I11 and mixed through the hole C1021, and the powder and the liquid are fully mixed through multiple cycles.
Example 5:
as shown in fig. 1, 2, 5 and 7, compared with embodiment 4, the present embodiment is different in that the positional relationship between the holes C1021 and D1031 on the outer needle 102 and the inner needle 103 in the needle head a10 and the exhaust holes 1011 are changed, the structural relationship between the outer needle 102 and the inner needle 103 is the same as that of the liquid dispensing needle head, the exhaust needle 101 is sleeved outside the outer needle 102, the size of the exhaust hole is larger than that of the hole C1021, and the exhaust hole, the hole C and the hole D are arranged and communicated on the same side; the other structures are the same as those of embodiment 4, and detailed description thereof is omitted.
The working principle of this embodiment is the same as that of embodiment 4, and will not be described in detail here.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A liquid preparation needle head is characterized by comprising a puncture needle, an inner needle sleeved in the puncture needle, and a needle seat used for installing the puncture needle and the inner needle; an inlet and an outlet I are arranged on the outer side of the puncture needle; the outer side of the inner needle is provided with a second inlet and outlet, the first inlet and outlet and the second inlet and outlet are arranged on the same side, the size of the first inlet and outlet is larger than that of the second inlet and outlet, and the second inlet and outlet is positioned in the first inlet and outlet.
2. A dispensing needle as claimed in claim 1, wherein the first inlet and outlet and the second inlet and outlet are kidney-shaped holes having long axes parallel to the longitudinal axis of the needle.
3. The dispensing needle according to claim 2, wherein the length of the inlet/outlet in the first major axis direction is greater than the length of the inlet/outlet in the second major axis direction, and the length of the inlet/outlet in the first minor axis direction is greater than the length of the inlet/outlet in the second minor axis direction.
4. The dispensing needle according to claim 1, wherein the opening of the first inlet/outlet is flanged to one side of the second inlet/outlet.
5. The dispensing needle according to claim 1, wherein the needle holder is provided with a first inlet/outlet a communicating with the first inlet/outlet and a second inlet/outlet a connecting with the second inlet/outlet.
6. A dispensing device comprising a dispensing needle according to any of claims 1 to 4, a needle A, and a pump tube for connecting the needle A and the dispensing needle.
7. The liquid preparation device according to claim 6, wherein the needle A and the liquid preparation needle are the same in structure, and the pump pipes are divided into two groups; the two puncture needles are communicated through one group of pump pipes, and the two inner needles are communicated through the other group of pump pipes.
8. A fluid dispensing device as claimed in claim 6, wherein the needle A is a single needle structure provided with three inlet and outlet ports, the pump tubes are in a group, one end of each pump tube is connected with the needle A, and the other end of each pump tube is communicated with the inner needle.
9. The liquid preparation device according to claim 6, wherein the needle head A comprises an exhaust needle, an outer needle, a first inner needle, a needle seat A for mounting the exhaust needle, the outer needle and the first inner needle which are coaxially arranged and sequentially sleeved; the exhaust needle is sleeved outside the outer needle, and the inner needle is sleeved in the outer needle;
the exhaust needle is provided with an exhaust hole, the outer needle is provided with a hole C, the first inner needle is provided with a hole D,
the hole C and the hole D are positioned in the exhaust hole;
the two groups of pump pipes are arranged, wherein two ends of one group are respectively communicated with the puncture needle and the outer needle, and two ends of the other group are respectively communicated with the inner needle and the inner needle.
10. A fluid dispensing apparatus as claimed in claim 9, in which the needle mount a is provided with an inlet/outlet a communicating with the outer needle and an inlet/outlet B communicating with the first inner needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748862.9U CN218589367U (en) | 2022-07-07 | 2022-07-07 | Liquid preparation needle head and liquid preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748862.9U CN218589367U (en) | 2022-07-07 | 2022-07-07 | Liquid preparation needle head and liquid preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218589367U true CN218589367U (en) | 2023-03-10 |
Family
ID=85393944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221748862.9U Active CN218589367U (en) | 2022-07-07 | 2022-07-07 | Liquid preparation needle head and liquid preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218589367U (en) |
-
2022
- 2022-07-07 CN CN202221748862.9U patent/CN218589367U/en active Active
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Effective date of registration: 20240514 Address after: 610000 Floor 2, Building 3, No. 888, Wangcong East Road, North Area of Chengdu Modern Industrial Port, Pidu District, Chengdu, Sichuan Patentee after: Sichuan peiyipei Technology Co.,Ltd. Country or region after: China Address before: Unit 1, building 33, Longhu Shidai Tianjie, No.89, Hezuo Road, hi tech West District, Chengdu, Sichuan 610000 Patentee before: Wang Guofu Country or region before: China |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240528 Address after: Unit 1, Building 1, No. 166 Chenhui Road, Jinjiang District, Chengdu City, Sichuan Province, 610000 Patentee after: Bai Chun Country or region after: China Address before: 610000 Floor 2, Building 3, No. 888, Wangcong East Road, North Area of Chengdu Modern Industrial Port, Pidu District, Chengdu, Sichuan Patentee before: Sichuan peiyipei Technology Co.,Ltd. Country or region before: China |
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