CN210811354U - Thrombus removing catheter system - Google Patents
Thrombus removing catheter system Download PDFInfo
- Publication number
- CN210811354U CN210811354U CN201921409365.4U CN201921409365U CN210811354U CN 210811354 U CN210811354 U CN 210811354U CN 201921409365 U CN201921409365 U CN 201921409365U CN 210811354 U CN210811354 U CN 210811354U
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- Prior art keywords
- catheter
- thrombus
- suction
- pumping
- pipe
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- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 69
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 21
- 230000023597 hemostasis Effects 0.000 claims abstract 8
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 238000013151 thrombectomy Methods 0.000 claims 5
- 239000003814 drug Substances 0.000 abstract description 10
- 208000034189 Sclerosis Diseases 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002439 hemostatic effect Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 239000003527 fibrinolytic agent Substances 0.000 description 12
- 230000002537 thrombolytic effect Effects 0.000 description 11
- 230000002262 irrigation Effects 0.000 description 6
- 238000003973 irrigation Methods 0.000 description 6
- 238000001802 infusion Methods 0.000 description 5
- 230000010412 perfusion Effects 0.000 description 5
- 230000017531 blood circulation Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 208000032843 Hemorrhage Diseases 0.000 description 3
- 239000003146 anticoagulant agent Substances 0.000 description 3
- 208000034158 bleeding Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 206010051055 Deep vein thrombosis Diseases 0.000 description 2
- 206010047249 Venous thrombosis Diseases 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 208000031104 Arterial Occlusive disease Diseases 0.000 description 1
- 201000001320 Atherosclerosis Diseases 0.000 description 1
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000036142 Viral infection Diseases 0.000 description 1
- 208000021328 arterial occlusion Diseases 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 201000002816 chronic venous insufficiency Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002651 drug therapy Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 208000017169 kidney disease Diseases 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 208000019423 liver disease Diseases 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 201000005665 thrombophilia Diseases 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 201000002282 venous insufficiency Diseases 0.000 description 1
- 230000009385 viral infection Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of medical equipment, especially, relate to a thrombus removal catheter system, including suction catheter, Y type hemostasis valve, opening device and pumping and irrigating device, the tip that the Y type hemostasis valve was kept away from to the opening device is connected on the pumping and irrigating device through pressure extension pipe detachably, the branching end of Y type hemostasis valve is connected on the pumping and irrigating device through high-pressure connecting pipe, the opening device includes hollow catheter, thrombus separator, core silk and catheter seat, the thrombus separator passes the lumen of suction catheter and communicates the setting with hollow catheter an organic whole, still be equipped with the injection hole on the hollow catheter; suction catheter includes ladder reducing body and connecting seat, the utility model has the advantages of reasonable design, can be when guaranteeing thrombus suction effect, dissolve the thrombus that the thrombus medicine softened the sclerosis in the inside release of thrombus through the pipe, then carry out the thrombus suction, reduced the apparatus use amount and the use amount of dissolving the thrombus medicine, reduced treatment time and operation cost, alleviateed patient's burden.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a pipe system is clear away to thrombus.
Background
Peripheral thrombotic disease endangers millions of patients each year, occurring at any age, most commonly in people over 50 years of age. Peripheral thrombi occurring in the extremities of limbs can lead to Peripheral Arterial Occlusion (PAO) or Deep Venous Thrombosis (DVT) and cause a number of serious complications including: atherosclerosis, trauma, bacterial or viral infection, anatomical variation, chronic venous insufficiency, hypercoagulable state, and the like.
The current methods for treating peripheral thrombotic diseases include drug therapy, surgical operations and minimally invasive intervention methods.
The drug treatment can inhibit the formation and development of thrombus and reduce the incidence of complications. However, the medical treatment needs monitoring blood coagulation, and body bleeding may be caused to patients with bleeding-prone constitution, serious liver and kidney diseases, hypertension and the like. Patients with serious symptoms and unable to use anticoagulant drugs and thrombolytic drugs can be treated by adopting a surgical mode. However, this method is more traumatic and more bleeding; postoperative patients have high pain, slow recovery and long hospitalization time. The minimally invasive intervention method mainly comprises methods of catheterization thrombolysis, mechanical thrombus removal and the like.
The catheterization thrombolysis can restore the blood circulation to a certain extent, but the treatment efficiency is low, and the treatment period is long; the thrombolytic catheter needs to be placed in a patient body for a long time, the life quality of the patient is seriously affected, and the mechanical thrombus removing device is used for efficiently removing thrombus and recovering blood circulation in the modes of dissolving, crushing, sucking and the like. However, the mechanical thrombus removing device is expensive, and often needs the auxiliary treatment of catheter thrombolysis, which further increases the treatment cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the shortcoming of above-mentioned treatment, provide one kind and both can carry out the injection of thrombolysis medicine and can aspirate the thrombus, reduce the use amount and the operation time of thrombolysis medicine, alleviate patient's physiology and economic burden's thrombus and clear away pipe system.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a thrombus removal catheter system comprises a suction catheter, a Y-shaped hemostatic valve, an opener and a suction and irrigation device, wherein the Y-shaped hemostatic valve is connected with the suction catheter in a matched mode, the opener penetrates through the suction catheter and is connected with the Y-shaped hemostatic valve in a matched mode, the suction and irrigation device is connected with the branched end of the Y-shaped hemostatic valve in a connected mode, the end, far away from the Y-shaped hemostatic valve, of the opener is detachably connected to the suction and irrigation device through a pressure extension pipe, the branched end of the Y-shaped hemostatic valve is connected to the suction and irrigation device through a high-pressure connecting pipe, the opener comprises a hollow catheter, a thrombus separator, a core wire and a catheter seat, the thrombus separator is connected with the front lumen of the hollow catheter in a matched mode, the core wire is arranged on the inner wall of the hollow catheter, the catheter seat is connected with the tail end of the hollow; the suction conduit comprises a step reducing pipe body and a connecting seat which is connected with the step reducing pipe body in a matching way, and the step reducing pipe body at least comprises three sections of pipe bodies with gradually changed pipe diameters.
Preferably, the method comprises the following steps: the thrombus separator is also provided with spindle-shaped bulges for separating large thrombi.
Preferably, the method comprises the following steps: the core wire is made of stainless steel or nickel-titanium alloy materials.
Preferably, the method comprises the following steps: the injection holes are circumferentially arranged along the hollow guide pipe and at least uniformly distributed with one circle.
Preferably, the method comprises the following steps: the diameter range of the injection hole is set to be 0.1-0.5 mm.
Preferably, the method comprises the following steps: the pumping and irrigating device comprises a pumping and irrigating device main body, a suction port connected to the pumping and irrigating device main body and a filling port connected to the pumping and irrigating device main body, wherein the filling port is connected with the pressure extension pipe in a matched mode, and the suction port is connected with the high-pressure connecting pipe in a matched mode.
The utility model discloses beneficial effect: the utility model has the advantages of reasonable design, can be when guaranteeing thrombus suction effect, can release the thrombus that the thrombolytic drug softened the sclerosis through the pipe in the thrombus inside, then carry out the thrombus suction, reduced the apparatus use amount and the use amount of thrombolytic drug, greatly reduced treatment time and operation cost, alleviateed patient's burden.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the structure of the opener of the present invention.
Fig. 3 is a schematic view of the suction catheter structure of the present invention.
Fig. 4 is a schematic diagram of the thrombolytic drug injection of the opener of the present invention.
Fig. 5 is a schematic view of the thrombus aspiration process of the present invention.
Reference numerals: 1. a suction catheter; 2. a Y-shaped hemostatic valve; 3. a starter; 4. a pumping and filling device; 5. a pressure extension tube; 6. a high-pressure connecting pipe; 10. a stepped reducing pipe body; 11. a connecting seat; 30. a hollow conduit; 31. a thrombus separator; 32. core yarn; 33. a catheter hub; 34. an injection hole; 35. spindle-shaped protrusions; 40. a pump-filler body; 41. a suction port; 42. an infusion port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, a thrombus-clearing catheter system comprises an aspiration catheter 1, a Y-shaped hemostatic valve 2 cooperatively connected with the aspiration catheter 1, an opener 3 passing through the aspiration catheter 1 and cooperatively connected with the Y-shaped hemostatic valve 2, and an irrigator 4 connected with a bifurcated end of the Y-shaped hemostatic valve 2, wherein an end of the opener 3 away from the Y-shaped hemostatic valve 2 is detachably connected to the irrigator 4 through a pressure extension tube 5, the bifurcated end of the Y-shaped hemostatic valve 2 is connected to the irrigator 4 through a high-pressure connecting tube 6, the opener 3 comprises a hollow catheter 30, a thrombus separator 31 cooperatively connected with a front lumen of the hollow catheter 30, a core wire 32 disposed on an inner wall of the hollow catheter 30, and a catheter seat 33 cooperatively connected with a rear end of the hollow catheter 30, the thrombus separator 31 passes through a lumen of the aspiration catheter 1 and is integrally communicated with the hollow catheter 30, the hollow catheter 30 is further provided with an injection hole 34 on the outer ring far away from the catheter seat 33; the suction catheter 1 comprises a step reducing catheter body 10 and a connecting seat 11 in matched connection with the step reducing catheter body 10, wherein the step reducing catheter body 10 at least comprises three sections of catheter bodies with gradually-changed diameters; the pressure extension tube 5 connected with the Y-shaped hemostatic valve 2 is connected with the pressure extension tube 5 only when thrombolytic drugs are injected, the pressure extension tube is connected only once, and then the opener 3 only has the function of separating thrombus and is not connected with the pressure extension tube 5 under the use of other states; the opener 3 is inserted into the suction catheter 1 through the Y-shaped hemostatic valve 2, and has two main functions, namely, the outer diameter is changed simultaneously according to the change of the inner diameter of the suction catheter 1, the outer diameter of the opener 3 is 10% -20% of the inner diameter of the suction catheter 1, the lumen space of the suction catheter 1 is ensured, and blocked thrombus is separated by pushing and withdrawing the opener 3, so that the thrombus can enter the lumen of the suction catheter 1 more easily, and the thrombus is prevented from blocking the lumen; the other function is that for some hardened thrombus, the opener 3 is inserted into the thrombus corresponding to the position of the injection hole 34 through one or more circles of injection holes 34 uniformly distributed along the circumferential direction of the hollow catheter 30, the thrombus is connected to an infusion port 42 of suction infusion equipment through a catheter seat 33, thrombolytic drugs are injected to soften the thrombus, and then suction is performed; the hollow catheter 30 is made of polymer or stainless steel or nickel-titanium alloy, and the thrombus separator 31 is positioned at the far end of the opener 3 and is formed by winding stainless steel wires, platinum wires or nickel-titanium alloy wires; opener 3 both can regard as suction catheter 1's stylet and thrombus separator 31, can inject the thrombolysis medicine again, the operation that will use two kinds of apparatus cooperations to go on originally integrates in an apparatus, the use amount of apparatus has been reduced, the complexity and the patient's burden of operation have been reduced, and this pipe can directly inject the thrombolysis medicine inside the thrombus, the use amount of thrombolysis time and thrombolysis medicine has been reduced, reduce patient time of being in hospital and operation risk by a wide margin, simultaneously pump and irritate ware 4 can provide great suction pressure, pipe thrombus suction rate compares with current pipe and promotes by a wide margin, obviously reduce operation time, reduce the blood loss volume.
In this embodiment, the thrombus separator 31 is further provided with a spindle-shaped protrusion 35 for separating large thrombus, and the spindle-shaped protrusion 35 is formed by injection molding of a polymer material, or formed by mixing and weaving of a stainless steel wire and a nickel-titanium alloy wire, or formed by laser cutting and heat treatment and shaping of a nickel-titanium alloy tube, and is used for separating the large thrombus and keeping the pipeline of the suction catheter 1 unblocked.
In this embodiment, the core wire 32 is made of stainless steel or nitinol, and the core wire 32 is disposed in the hollow catheter 30, so as to provide a supporting force during pushing and retracting processes of the opener 3, prevent the hollow catheter 30 from bending and deforming, and improve the structural strength of the hollow catheter 30.
In this embodiment, the injection holes 34 are formed along the circumference of the hollow catheter 30 and at least uniformly distributed in a circle, preferably, three circles with equal intervals are arranged on the injection holes 34, so that thrombolytic drugs to be injected can enter the blood vessel more quickly, and the thrombolytic efficiency is improved.
In this embodiment, the diameter of the injection hole 34 is set to 0.1-0.5mm, preferably the diameter of the injection hole 34 is set to 0.3mm, the hollow catheter 30 is inserted into the thrombus at the position corresponding to the injection hole 34, and is connected to the perfusion opening 42 of the suction perfusion apparatus through the catheter holder 33, and the thrombolytic drug is injected to soften the thrombus.
In this embodiment, the pumping and irrigating device 4 comprises a pumping and irrigating device main body 40, a suction port 41 connected to the pumping and irrigating device main body 40, and a perfusion port 42 connected to the pumping and irrigating device main body 40, wherein the perfusion port 42 is connected with a pressure extension pipe 5 in a matching manner, the suction port 41 is connected with a high-pressure connecting pipe 6 in a matching manner, the pumping and irrigating device 4 supplies power to an external power supply or an internal power supply, provides power for thrombus suction and drug injection, and provides sufficient power for thrombus suction, so that the thrombus suction time is greatly reduced; meanwhile, a pressure intermittent change control module is arranged in the catheter, when the thrombus blocks the catheter port for a long time and no blood flows, the procedure is started, and the thrombus is loosened through the intermittent change of the pressure; the pumping and filling device 4 is internally provided with a pressure sensor, the injection pressure inside the opener 3 is sensed, the administration speed is automatically adjusted to achieve the purpose of adjusting the injection pressure, in the process that the opener 3 is inserted into thrombus to inject thrombolytic drug, the distal end opening of the opener 3 is blocked by thrombus, the pressure in the cavity of the opener 3 is increased, the injection pressure is automatically increased, the uniform injection of the thrombolytic drug is ensured, the function can also be compatible with the openers 3 with different diameters, the perfusion pressure of the openers 3 with different diameters is automatically adjusted through the pressure sensor, and the purpose of accurately administering the drug is achieved.
The utility model discloses a concrete theory of operation as follows:
the opener 3 is inserted into the suction catheter 1 through the Y-shaped hemostatic valve 2, a catheter seat 33 on the opener 3 is connected with an infusion port 42 of the suction and irrigation device 4 through a pressure extension tube 5, the opener 3 is pushed to enable a distal injection hole 34 of the opener 3 to be inserted into thrombus, the infusion function is opened, the device automatically adjusts the administration speed according to the pressure in a lumen, thrombolytic drugs are injected, then a period of time is waited, after the thrombolytic drugs act, the forked end of the Y-shaped hemostatic valve 2 is connected with an aspiration port 41 of the suction and irrigation device through a high-pressure connecting tube 6, the suction catheter 1 is pushed to the thrombus position, the suction function is opened, and the opener 3 is pushed and withdrawn at the same time to guide the thrombus into the suction catheter 1; if no blood flow passes through the device for a long time, starting a pressure intermittent change control program, simultaneously cooperating with the opener 3 to dredge the catheter, ensuring continuous suction of thrombus, after the thrombus suction of one area is finished, pushing the suction catheter 1 forward for a certain distance, performing thrombus suction of the corresponding area again, and repeating the process until an ideal vascular access is established.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a pipe system is clear away to thrombus, includes suction catheter, the Y type hemostasis valve of being connected with the suction catheter cooperation, passes suction catheter and with the opening ware of being connected of Y type hemostasis valve cooperation and with the pumping and irrigating ware that Y type hemostasis valve branching end is connected, the tip that Y type hemostasis valve was kept away from to opening the ware is connected on the pumping and irrigating ware through pressure extension pipe detachably, Y type hemostasis valve's branching end passes through high-pressure connecting pipe and connects on the pumping and irrigating ware, its characterized in that: the opener comprises a hollow catheter, a thrombus separator, a core wire and a catheter seat, wherein the thrombus separator is connected with a front lumen of the hollow catheter in a matched manner, the core wire is arranged on the inner wall of the hollow catheter, the catheter seat is connected with the tail end of the hollow catheter in a matched manner, the thrombus separator penetrates through a lumen of the suction catheter and is integrally communicated with the hollow catheter, and an injection hole is further formed in the outer ring of the hollow catheter far away from the catheter seat; the suction conduit comprises a step reducing pipe body and a connecting seat which is connected with the step reducing pipe body in a matching way, and the step reducing pipe body at least comprises three sections of pipe bodies with gradually changed pipe diameters.
2. A thrombectomy catheter system according to claim 1, wherein: the thrombus separator is also provided with spindle-shaped bulges for separating large thrombi.
3. A thrombectomy catheter system according to claim 1, wherein: the core wire is made of stainless steel or nickel-titanium alloy materials.
4. A thrombectomy catheter system according to claim 1, wherein: the injection holes are circumferentially arranged along the hollow guide pipe and at least uniformly distributed with one circle.
5. A thrombectomy catheter system according to claim 4, wherein: the diameter range of the injection hole is set to be 0.1-0.5 mm.
6. A thrombectomy catheter system according to claim 1, wherein: the pumping and irrigating device comprises a pumping and irrigating device main body, a suction port connected to the pumping and irrigating device main body and a filling port connected to the pumping and irrigating device main body, wherein the filling port is connected with the pressure extension pipe in a matched mode, and the suction port is connected with the high-pressure connecting pipe in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409365.4U CN210811354U (en) | 2019-08-28 | 2019-08-28 | Thrombus removing catheter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409365.4U CN210811354U (en) | 2019-08-28 | 2019-08-28 | Thrombus removing catheter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210811354U true CN210811354U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921409365.4U Active CN210811354U (en) | 2019-08-28 | 2019-08-28 | Thrombus removing catheter system |
Country Status (1)
| Country | Link |
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| CN (1) | CN210811354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112316232A (en) * | 2020-12-05 | 2021-02-05 | 北京先瑞达医疗科技有限公司 | Intermittent thrombus suction pump system and use method |
| WO2023240937A1 (en) * | 2022-06-14 | 2023-12-21 | 上海腾复医疗科技有限公司 | Multifunctional thrombus removal apparatus |
-
2019
- 2019-08-28 CN CN201921409365.4U patent/CN210811354U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112316232A (en) * | 2020-12-05 | 2021-02-05 | 北京先瑞达医疗科技有限公司 | Intermittent thrombus suction pump system and use method |
| CN112316232B (en) * | 2020-12-05 | 2024-01-16 | 北京先瑞达医疗科技有限公司 | Intermittent thrombus aspiration pump system and use method |
| WO2023240937A1 (en) * | 2022-06-14 | 2023-12-21 | 上海腾复医疗科技有限公司 | Multifunctional thrombus removal apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 601, building 8, 200 Newton Road, Pudong New Area, Shanghai Patentee after: Shanghai Shenqi Medical Technology Co.,Ltd. Address before: Room 601, building 8, 200 Newton Road, Pudong New Area, Shanghai Patentee before: SHANGHAI SHENQI MEDICAL TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 601, building 8, 200 Newton Road, Pudong New Area, Shanghai Patentee after: SHANGHAI SHENQI MEDICAL TECHNOLOGY CO.,LTD. Address before: Room 601, building 8, 200 Newton Road, Pudong New Area, Shanghai Patentee before: Shanghai Shenqi Medical Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |