CN210250851U - Detachable balloon - Google Patents
Detachable balloon Download PDFInfo
- Publication number
- CN210250851U CN210250851U CN201920689178.XU CN201920689178U CN210250851U CN 210250851 U CN210250851 U CN 210250851U CN 201920689178 U CN201920689178 U CN 201920689178U CN 210250851 U CN210250851 U CN 210250851U
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- Prior art keywords
- tube
- gas injection
- injection pipe
- handle
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007924 injection Substances 0.000 claims abstract description 70
- 238000002347 injection Methods 0.000 claims abstract description 70
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000004816 latex Substances 0.000 claims description 52
- 229920000126 latex Polymers 0.000 claims description 52
- 230000007704 transition Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000002504 physiological saline solution Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 239000000839 emulsion Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 5
- 210000000080 chela (arthropods) Anatomy 0.000 abstract description 3
- 230000029087 digestion Effects 0.000 abstract description 3
- 238000012946 outsourcing Methods 0.000 abstract description 3
- 210000001035 gastrointestinal tract Anatomy 0.000 description 11
- 239000007788 liquid Substances 0.000 description 8
- 210000005077 saccule Anatomy 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 238000012323 Endoscopic submucosal dissection Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 210000002438 upper gastrointestinal tract Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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- Endoscopes (AREA)
Abstract
The utility model provides a formula sacculus can break away, including supporting the silk, be equipped with gas injection pipe and emulsion tube on the outer front end outer peripheral face of support silk, gas injection pipe rear end outsourcing has stay tube and front handle. The support tube may provide good support for the inner gas injection tube and the support wires. The tail end of the gas injection pipe extends out of the rear end part of the front handle and is fixedly provided with a push-pull handle which is wrapped outside the gas injection pipe and the supporting wires at the tail part of the gas injection pipe, a gas guide inner cavity is arranged in the push-pull handle, and a pipeline at the rear end of the gas guide inner cavity is communicated with a two-way; the tail end of the supporting wire extends out of the two-way and is fixed with a rear handle; the front end of the front handle is fixed with an outer tube. The utility model has the advantages of reasonable design, under the endoscope, the emulsion tube can expand and form the sacculus, carries out the shutoff to the digestion passageway to can separate follow-up parts such as sacculus and gas injection pipe conveniently and withdraw from outside, do not occupy scope pincers way, shutoff process is easy and simple to handle, and the shutoff effect is reliable and low cost, and the operation is more safe simple and convenient.
Description
Technical Field
The utility model relates to a alimentary canal surgical instruments technical field especially relates to a formula sacculus can break away.
Background
Endoscopic Submucosal Dissection (ESD) is a technology with good clinical application prospect, so that more early digestive tract cancers can be completely resected under an endoscope at one time, and the pain of an open operation and the resection of organs are avoided. In the lower digestive tract ESD operation, body fluid of the upper intestinal tract can continuously enter an operation area, occupy the operation visual field and influence the operation process.
Ultrasonic Endoscope (EUS) is a digestive tract examination technology combining endoscope and ultrasound, a miniature high-frequency ultrasonic probe is arranged at the top end of the endoscope, after the endoscope is inserted into a body cavity, when the endoscope directly observes digestive tract mucous membrane lesion, real-time scanning can be carried out by utilizing the ultrasound under the endoscope, histological characteristics of the hierarchical structure of the gastrointestinal tract and ultrasound images of surrounding adjacent visceral organs can be obtained, and the diagnosis level of the endoscope and the ultrasound is improved. When the upper gastrointestinal tract ultrasonic endoscopic surgery is carried out, if the lower end of the surgical area is not blocked, liquid is lost, so that an ultrasonic image under the endoscope is blurred, and the exploration and the judgment of a doctor are influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the deficiency of the prior art, the utility model provides a can effectively realize the shutoff to the alimentary canal, and shutoff process simple operation, the shutoff effect is reliable, the lower formula sacculus that can drop out of shutoff cost.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a formula sacculus can fall, includes the supporting wire, be equipped with gas injection pipe and emulsion tube from inside to outside in proper order on the outer front end outer peripheral face of supporting wire, emulsion tube front end inner wall overcoat in supporting wire and gas injection pipe front end, gas injection pipe length is greater than emulsion pipe length, and the gas injection pipe rear end does not have emulsion pipe position department in the past to the back outsourcing in proper order and has stay tube and front handle. The support tube may provide good support for the inner gas injection tube and the support wires. The tail end of the gas injection pipe extends out of the rear end part of the front handle and is fixedly provided with a push-pull handle which is wrapped outside the gas injection pipe and a supporting wire at the tail part of the gas injection pipe, a gas guide inner cavity is arranged in the push-pull handle, a pipeline at the rear end of the gas guide inner cavity is communicated with a two-way, one end of the two-way is communicated with the pipeline at the rear end of the push-pull handle, the other end of the two-way is communicated with an external channel, and the gas injection; the tail end of the supporting wire extends out of the two-way and is fixed with a rear handle; the front end of the front handle is fixedly provided with an outer tube which is covered outside the supporting tube and the latex tube.
Furthermore, in order to better guide the latex tube to form an air bag plugging digestive channel, the front end of the latex tube is hermetically connected with a seeker, the seeker extends out of the front end face of the outer tube, an inner hole is formed in the seeker, and the front ends of the gas injection tube and the supporting wire extend into the inner hole.
Preferably, the seeker is of a semi-spherical structure, and the diameter of the seeker is not larger than that of the end of the uninflated latex tube.
Furthermore, the front end of the latex tube shrinks and is in transition fit with the outer wall of the tail end of the seeker, and the rear end shrinks and is in transition fit with the outer wall of the gas injection tube.
Further, the external passage is connected with an air passage or a saline injection passage.
In order to store the latex tube and reasonably convey the latex tube to a required position for expansion, the outer tube is a two-stage step-shaped tube body, and the two-stage step-shaped tube body is formed by integrally forming a large-diameter section tube body and a small-diameter section tube body; the latex tube is correspondingly arranged outside the gas injection tube in the large-diameter section tube body, the supporting tube is correspondingly arranged in the small-diameter section tube body, and the front end of the supporting tube extends into the tail part of the large-diameter end tube body.
In order to avoid unnecessary push-pull between the front handle and the push-pull handle when the endoscope is pushed in, avoid excessive push-pull of the push-pull handle, avoid the push-pull handle from being pulled out carelessly when the endoscope does not reach a specified position in the pushing process, and separate the latex tube, the front handle is hollow and is provided with a pipeline through which a gas injection tube and a support wire can pass, the pipeline is a secondary step hole, a small-diameter section hole of the secondary step hole is positioned at the front part, a large-diameter section hole is positioned at the rear part, and the front end of the push-pull handle is provided with an insertion part matched with the large-diameter section hole. In the pushing process, the front end inserting part of the push-pull handle is inserted into a large-diameter section hole of a front handle secondary step hole, the front end of the push-pull handle can be propped against and cannot continue to move forwards, the front handle and the push-pull handle are simultaneously held by hands at the moment, the endoscope can be normally pushed, the front handle and the push-pull handle can be well held, and the condition that the latex tube is separated in advance due to careless separation of the front handle and the push-pull handle is avoided.
In the scheme, when plugging is needed, the outer tube can be introduced through the endoscope, the front handle and the push-pull handle are held by hands in the introduction process, and after the front handle and the push-pull handle are introduced to the position to be plugged, physiological saline or air and the like are injected through the external passage of the two-way tube. The physiological saline or air and the like enter the air injection pipe after passing through the air guide inner cavity and are injected into the latex pipe through the air injection pipe, the guide head is pushed by liquid or air output from the air injection pipe to move forwards in the process, the latex pipe is expanded by the input liquid or air to form a flexible balloon, and the digestive tract is gradually blocked. In the process, the front handle is held by one hand, the push-pull handle is gradually pulled backwards along with the expansion process of the latex tube by the other hand, the gas injection tube and the internal supporting wire synchronously move backwards along with the gas injection tube, the end part of the latex tube, the rear end of which is wrapped on the gas injection tube, is synchronously and backwards abutted against the front end surface of the supporting tube along with the gas injection tube, the push-pull handle is continuously pulled, the gas injection tube and the supporting wire are continuously retreated, the latex tube is abutted against, and the separation of the gas injection tube, the supporting wire and the latex tube is realized. After the latex tube is separated, the rear end of the latex tube is naturally contracted and sealed to form a saccule, so that the digestive tract is blocked. Then other pipe fittings except the saccule are withdrawn from the endoscope, so that an endoscope channel is not occupied, the plugging process is simple and convenient to operate, the effect is reliable, the operation is low in cost, and the operation is safe and simple.
The beneficial effects of the utility model are that, the utility model provides a formula sacculus can fall, structural design is reasonable, under the endoscope, can be as required, through pouring into normal saline or air etc. into, the latex pipe that expands forms the sacculus, carries out the shutoff to the digestion passageway, through push-and-pull handle, the cooperation of front handle and stay tube can be conveniently with follow-up parts such as sacculus and gas injection pipe separate and withdraw from in vitro, do not occupy the scope pincers way, the shutoff process is easy and simple to handle, the shutoff effect is reliable and low cost, the operation is more safe simple and convenient.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.
In the figure, the device comprises a guide head 1, a guide head 2, a latex tube 3, an air injection tube 4, a supporting wire 5, an outer tube 6, a supporting tube 7, a front handle 8, a push-pull handle 9, a two-way tube 10 and a rear handle.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The utility model discloses an according to the best embodiment of the formula sacculus that can fall as shown in fig. 1, including supporting wire 4 be equipped with gas injection pipe 3 and emulsion tube 2 from inside to outside in proper order on the outer front end outer peripheral face of supporting wire 4, 2 front end inner walls of emulsion tube overcoat in supporting wire 4 and 3 front ends of gas injection pipe, 3 lengths of gas injection pipe are greater than emulsion tube 2 lengths, and 3 rear end latex tube 2 positions of gas injection pipe department from the past to back outsourcing in proper order have stay tube 6 and front handle 7. The front end of the front handle 7 is fixed with an outer tube 5 which covers the supporting tube 6 and the latex tube 2. The support wire 4 can be preferably manufactured by using 06Cr19Ni10 material. The support tube 6 may be manufactured from PTFE material to provide good support for the inner gas injection tube 3 and the support wires 4.
The tail end of the gas injection pipe 3 extends out of the rear end part of the front handle 7 and is fixedly provided with a push-pull handle 8 which is wrapped outside the supporting wires 4 at the tail parts of the gas injection pipe 3 and the gas injection pipe 3, a gas guide inner cavity is arranged in the push-pull handle 8, the rear end pipeline of the gas guide inner cavity is communicated with a two-way channel 9, one end of the two-way channel 9 is communicated with the rear end pipeline of the push-pull handle 8, the other end of the two-way channel is communicated with an external channel, and the external channel is connected with an. The gas injection pipe 3 is communicated with a gas guide inner cavity pipeline. The tail end of the supporting wire 4 extends out of the two-way 9 and is fixed with a rear handle 10. In the actual production design, the two-way valve 9 can be manufactured by adopting a transparent ABS material for convenient observation.
In order to store the latex tube 2 conveniently and reasonably convey the latex tube 2 to a required position for expansion, the outer tube 5 is a second-stage step-shaped tube body which is formed by integrally forming a large-diameter tube body and a small-diameter tube body; the latex tube 2 is correspondingly arranged outside the gas injection tube 3 in the large-diameter section tube body, the supporting tube 6 is correspondingly arranged in the small-diameter section tube body, and the front end of the supporting tube 6 extends into the tail part of the large-diameter end tube body.
In order to better guide the latex tube 2 to form an air bag plugging digestive tract, the front end of the latex tube 2 is hermetically connected with a seeker 1, the seeker 1 extends out of the front end face of the outer tube 5, an inner hole is formed in the seeker 1, and the front ends of the gas injection tube 3 and the supporting wire 4 extend into the inner hole. The seeker 1 is in a semi-spherical structure, and the diameter of the seeker 1 is not larger than that of the end part of the uninflated latex tube 2. When liquid or gas is injected into the latex tube 2 to expand, the liquid or the gas can apply pressure to the seeker 1 to drive the latex tube 2 to move forwards, and a certain effect is achieved for later separation. The front end of the latex tube 2 contracts and is in transition fit with the outer wall of the tail end of the seeker 1, and the rear end contracts and is in transition fit with the outer wall of the gas injection tube 3. In production, the latex tube 2 can be made of NR natural rubber, and after the latex tube 2 expands to form a balloon and is separated from the gas injection tube 3, the rear end of the latex tube 2 can be naturally contracted and sealed, so that liquid or gas in the latex tube 2 is prevented from flowing out, and the plugging effect is realized.
In order to avoid unnecessary push-pull between the front handle 7 and the push-pull handle 8 when the endoscope is pushed in, avoid excessive push-pull of the push-pull handle 8, avoid careless extraction of the push-pull handle 8 when the endoscope does not reach a specified position in the pushing process, and separate the latex tube 2, the front handle 7 is hollow and is provided with a pipeline through which the gas injection tube 3 and the support wire 4 can pass, the pipeline is a secondary step hole, a small-diameter section hole of the secondary step hole is positioned at the front part, and a large-diameter section hole is positioned at the rear part, and the front end of the push-pull handle 8 is provided with an insertion part matched with the large-diameter section hole. In the pushing process, the insertion part at the front end of the push-pull handle 8 is inserted into the large-diameter section hole of the secondary step hole of the front handle 7, the front end of the push-pull handle 8 can be propped against and cannot continue to move forwards, the front handle 7 and the push-pull handle 8 are simultaneously held by hands at the moment, an endoscope can be normally pushed in, the front handle 7 and the push-pull handle 8 can be well held, and the condition that the latex tube 2 is separated in advance due to careless separation of the front handle 7 and the push-pull handle 8 is avoided.
When plugging is needed, the outer tube 5 can be introduced through an endoscope, the front handle 7 and the push-pull handle 8 are held by hands in the introduction process, and after the front handle and the push-pull handle reach the position to be plugged, physiological saline or air and the like are injected through an external passage of the two-way 9. The normal saline or air enters the air injection pipe 3 after passing through the air guide inner cavity and is injected into the latex pipe 2 through the air injection pipe 3, in the process, the seeker 1 is pushed to move forwards by the output liquid or air in the air injection pipe 3, the latex pipe 2 is expanded by the input liquid or air to form a flexible saccule, and the digestive tract is gradually blocked. In the process, the front handle 7 is held by one hand, the push-pull handle 8 is gradually pulled backwards by the other hand along with the expansion process of the latex tube 2, the gas injection tube 3 and the internal supporting wire 4 synchronously move backwards along with the gas injection tube, the end part of the latex tube 2, the rear end of which is wrapped on the gas injection tube 3, is abutted against the front end face of the supporting tube 6 along with the gas injection tube 3 synchronously backwards, the push-pull handle 8 is continuously pulled, the gas injection tube 3 and the supporting wire 4 continue to retreat, the latex tube 2 is abutted against, and the gas injection tube 3 and the supporting wire 4 are separated from the latex tube 2. After the latex tube 2 is separated, the back end is naturally contracted and sealed to form a saccule, so that the digestive tract is blocked. Then other pipe fittings except the saccule are withdrawn from the endoscope, and the endoscope channel is not occupied. Meanwhile, instruments such as the coil and the titanium clip can be contacted in vivo of the balloon to achieve an effective fixing effect, the blocking effect is further improved, and the balloon can be recovered by using an injection needle and a foreign body forceps after the operation is completed.
The formula sacculus that can fall of so design, structural design is reasonable, under the endoscope, can be as required, through pouring into normal saline or air etc. into, the expansion emulsion tube 2 forms the sacculus, carries out the shutoff to digestion passageway, through push-and-pull handle, preceding handle 7 and stay tube 6's cooperation can be conveniently with the sacculus with follow-up parts such as gas injection pipe 3 separate and withdraw from extracorporeally, do not occupy the scope pincers way, the shutoff process is easy and simple to handle, the shutoff effect is reliable and low cost, the operation is safe more simple and convenient.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A breakaway balloon, comprising: comprises a supporting wire (4), a gas injection pipe (3) and a latex pipe (2) are sequentially arranged on the outer peripheral surface of the outer front end of the supporting wire (4) from inside to outside, the inner wall of the front end of the latex pipe (2) is sleeved on the front ends of the supporting wire (4) and the gas injection pipe (3), the length of the gas injection pipe (3) is greater than that of the latex pipe (2), a supporting pipe (6) and a front handle (7) are sequentially wrapped outside the position of the latex-free pipe (2) at the rear end of the gas injection pipe (3) from front to back, a push-pull handle (8) wrapped outside the supporting wire (4) at the tail parts of the gas injection pipe (3) and the gas injection pipe (3) is fixed at the tail end of the gas injection pipe (3) and extends out of the supporting wire (4), a gas guide inner cavity is arranged in the push-pull handle (8) and is communicated with a two-way (9) at the rear end of the gas guide, the other end is communicated with an external passage, and the gas injection pipe (3) is communicated with a gas guide inner cavity pipeline; the tail end of the supporting wire (4) extends out of the two-way (9) and is fixed with a rear handle (10); the front end of the front handle (7) is fixed with an outer tube (5) which is covered outside the supporting tube (6) and the latex tube (2).
2. The breakaway balloon of claim 1, wherein: the front end of the latex tube (2) is hermetically connected with a seeker (1), the seeker (1) extends out of the front end face of the outer tube (5), an inner hole is formed in the seeker (1), and the front ends of the gas injection tube (3) and the support wire (4) extend into the inner hole.
3. The breakaway balloon of claim 2, wherein: the seeker (1) is of a semi-spherical structure, and the diameter of the seeker (1) is not larger than that of the end part of the uninflated latex tube (2).
4. The breakaway balloon of claim 3, wherein: the front end of the latex tube (2) contracts and is in transition fit with the outer wall of the tail end of the seeker (1), and the rear end contracts and is in transition fit with the outer wall of the gas injection tube (3).
5. The breakaway balloon of claim 1, wherein: the external passage is connected with an air passage or a physiological saline injection passage.
6. The breakaway balloon of claim 1, wherein: the outer pipe (5) is a two-stage step-shaped pipe body which is formed by integrally molding a large-diameter section pipe body and a small-diameter section pipe body; latex tube (2) are corresponding to be set up outside gas injection pipe (3) in the pipe body of major diameter section, and stay tube (6) then correspond to be set up in the pipe body of minor diameter section and stay tube (6) front end stretch into in the pipe body afterbody of major diameter end.
7. The breakaway balloon of claim 1, wherein: the front handle (7) is hollow and is provided with a pipeline through which the gas injection pipe (3) and the supporting wire (4) can pass, the pipeline is a secondary step hole, a small-diameter section hole of the secondary step hole is positioned at the front part, a large-diameter section hole is positioned at the rear part, and the front end of the push-pull handle (8) is provided with an insertion part matched with the large-diameter section hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689178.XU CN210250851U (en) | 2019-05-14 | 2019-05-14 | Detachable balloon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689178.XU CN210250851U (en) | 2019-05-14 | 2019-05-14 | Detachable balloon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210250851U true CN210250851U (en) | 2020-04-07 |
Family
ID=70024951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920689178.XU Expired - Fee Related CN210250851U (en) | 2019-05-14 | 2019-05-14 | Detachable balloon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210250851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111588971A (en) * | 2020-06-03 | 2020-08-28 | 刘卫辉 | Appendix intubator |
-
2019
- 2019-05-14 CN CN201920689178.XU patent/CN210250851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111588971A (en) * | 2020-06-03 | 2020-08-28 | 刘卫辉 | Appendix intubator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211207 Address after: No.32, Section 2, West 1st ring road, Chengdu, Sichuan 610000 Patentee after: Sichuan Academy of Medical Sciences. Sichuan Provincial People's Hospital Address before: 610000, No. two, section 32, West Ring Road, Chengdu, Sichuan Patentee before: Hu Xiao Patentee before: JIANGSU WEIDEKANG MEDICAL SCIENCE & TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |