CN115737062A - Shock wave lithotripsy balloon imaging catheter - Google Patents
Shock wave lithotripsy balloon imaging catheter Download PDFInfo
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- CN115737062A CN115737062A CN202211428243.6A CN202211428243A CN115737062A CN 115737062 A CN115737062 A CN 115737062A CN 202211428243 A CN202211428243 A CN 202211428243A CN 115737062 A CN115737062 A CN 115737062A
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- working electrode
- working
- balloon
- catheter
- shock wave
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- 238000003384 imaging method Methods 0.000 title claims abstract description 71
- 230000035939 shock Effects 0.000 title claims abstract description 44
- 239000013307 optical fiber Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 8
- 229910000566 Platinum-iridium alloy Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical class [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 abstract description 19
- 230000003902 lesion Effects 0.000 description 8
- 208000004434 Calcinosis Diseases 0.000 description 7
- 230000002308 calcification Effects 0.000 description 7
- 206010003210 Arteriosclerosis Diseases 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 206010008088 Cerebral artery embolism Diseases 0.000 description 1
- 208000005475 Vascular calcification Diseases 0.000 description 1
- 206010057469 Vascular stenosis Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 208000011775 arteriosclerosis disease Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- -1 but not limited to Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 201000010849 intracranial embolism Diseases 0.000 description 1
- 208000010125 myocardial infarction Diseases 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention provides a shock wave lithotripsy balloon imaging catheter, wherein a high-coverage electrode pair capable of releasing shock wave energy is arranged in a working area of the shock wave lithotripsy balloon, and the electrode pair is modified on the basis of the high-coverage electrode pair, so that the imaging visible area of the catheter is increased, and meanwhile, the trafficability of the catheter in blood vessels is improved.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and relates to a shock wave lithotripsy balloon imaging catheter.
Background
With the development of the aging of the global population and the improvement of the quality of life in recent years, the incidence of various vascular diseases is increasing not only in the elderly but also in some young and middle-aged people.
Vascular calcification is the excessive deposition of calcium from the vessel wall. It is a common clinical manifestation and induction factor of arteriosclerosis, vascular stenosis, cerebral embolism, myocardial infarction, diabetes, renal calcification, coronary heart disease and other diseases.
At present, the traditional balloon catheter intervention treatment is generally adopted clinically, calcified lesions in blood vessels are opened through a balloon catheter blood vessel expanding technology, but when the expanding balloon releases pressure and the distribution of the calcified lesions in the blood vessels cannot be observed specifically, the expanding balloon may not achieve the expected treatment effect, and even the blood vessel wall may be damaged due to the pressure generated during the expansion of the balloon.
Disclosure of Invention
The invention provides a shock wave lithotripsy balloon imaging catheter, belongs to the technical field of medical instruments, and belongs to comprehensive innovation of a blood vessel forming technology, a shock wave treatment technology and an intravascular imaging catheter technology. The shock wave lithotripsy balloon imaging catheter is deformed on the design of the shock wave electrode, the high-coverage electrode pair capable of releasing shock wave energy is arranged in the working area of the shock wave lithotripsy balloon, the electrode pair is modified on the basis of the high-coverage electrode pair, the imaging visual area of the catheter is enlarged, and meanwhile, the trafficability of the catheter in a blood vessel is improved.
The invention relates to a shock wave lithotripsy balloon imaging catheter, which comprises: imaging catheter, working sacculus, working electrode pair. The shock wave lithotripsy balloon imaging catheter is provided with a shock wave lithotripsy balloon in a catheter imaging area, a shock wave electrode pair with an energy release window is arranged in a shock wave balloon working area, so that effective shock wave energy can be generated and released through an energy release port on the side surface of the catheter, the generated shock wave energy can be transmitted to the working balloon through a propagation medium and uniformly acts on calcifications attached to a blood vessel wall, the calcifications in the blood vessel are broken and split, the broken condition of the calcifications in the blood vessel can be observed and evaluated visually while the catheter is imaged, reference is provided for a clinician to a next treatment scheme, and the operation efficiency is improved.
The invention provides a shock wave lithotripsy balloon imaging catheter which comprises an imaging catheter body, a catheter imaging window, a high-voltage connector, a working balloon, a first working electrode pair, a second working electrode pair and a working lead.
In a preferred embodiment, the first working electrode pair includes: first working electrode and second working electrode, second working electrode is to including: the first working electrode and the second working electrode keep a distance and are positioned on the same plane and the same straight line, and the third working electrode and the fourth working electrode keep a distance and are positioned on the same plane and the same straight line.
In another preferred embodiment, the working wire includes: the first working lead is connected with the first working electrode, the second working lead is connected with the second working electrode and the fourth working electrode, the third working lead is connected with the third working electrode, and the first working lead and the third working lead extend along the direction from the working balloon to the electric appliance connector and are connected to the high-voltage connector.
In another preferred example, a shock wave lithotripsy balloon imaging catheter includes: the optical lens is connected with the optical fiber, and the traction wire is connected with the optical fiber and the optical lens base.
In another preferred embodiment, the front end of the imaging catheter body is provided with a first quick exchange port, and the front end of the imaging window is provided with a second quick exchange port.
In another preferred example, a shock wave lithotripsy balloon imaging catheter includes: the developing device comprises a first developing ring, a second developing ring and a third developing ring, wherein the first developing ring is arranged in a first quick exchange port and a second quick exchange port, the second developing ring is arranged on the outer wall of a catheter imaging window between a first working balloon pin and a third working electrode, and the third developing ring is arranged on the outer wall of the catheter imaging window between the second working balloon pin and the first working electrode.
In another preferred embodiment, the first working electrode, the second working electrode, the third working electrode and the fourth working electrode are made of materials including: tungsten, platinum iridium alloy or stainless steel alloy, the first working electrode, the second working electrode, the third working electrode and the fourth working electrode comprise: circular, semicircular or square.
It is to be understood that within the scope of the present invention, the above-described features of the present invention and those specifically described below (e.g., in the examples) may be combined with each other to form new or preferred embodiments. Not to be repeated herein, depending on the space.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a partial front view of a working area of a shock wave lithotripsy balloon imaging catheter provided in accordance with the present invention;
FIG. 2 is a partial top view of a working area of a shock wave lithotripsy balloon imaging catheter provided in accordance with the present invention;
FIG. 3 is a partial cross-sectional view of a working area of a shock wave lithotripsy balloon imaging catheter provided in accordance with the present invention;
fig. 4 is a partial view of an external connector end of a shockwave lithotripsy balloon imaging catheter provided by the present invention.
Fig. 5 is an abstract drawing provided by the invention.
Description of reference numerals:
01A-first working wire; 01B-second working wire;
01C-third working wire; 02-working balloon;
03A — imaging catheter; 03B — catheter imaging window;
04A, 04B-fast exchange port;
05A-first developer ring; 05B-second developer ring; 05C-third developer ring;
06A-first working electrode; 06B-third working electrode;
07A-second working electrode; 07B-fourth working electrode;
08-optical lens mount; 09-optical lens; 10-optical fiber; 20-drawing wire;
30A-distal base pin of working balloon; 30B-working balloon proximal pin;
40-luer fitting; 50-catheter connector;
60-push handle; 70-high voltage connector; 80-balloon infusion port;
90A-first working electrode pair; 90B-second working electrode pair.
Detailed Description
The purpose, implementation technical scheme and use advantages of an embodiment of a shockwave lithotripsy balloon imaging catheter of the present invention will be fully described below with reference to the accompanying drawings in the embodiment of a shockwave lithotripsy balloon imaging catheter of the present invention.
The invention relates to a shock wave lithotripsy balloon imaging catheter, which mainly aims to realize the purpose that when the existing intravascular calcification focus is subjected to interventional therapy, the intravascular calcification focus cannot be timely and specifically observed, and the intravascular calcification focus cannot be timely and simultaneously treated. The shock wave lithotripsy balloon imaging catheter disclosed by the embodiment of the invention can be used for scanning and presenting the calcified focus in the blood vessel through the imaging catheter, and simultaneously carrying out shock wave treatment on the calcified focus in the presented scanning area in real time, so that the calcified focus in the blood vessel can be effectively treated in time, the passing rate of the blood vessel with the calcified focus is increased, and the blood passing rate in the blood vessel is improved.
The embodiment of the invention relates to a shock wave lithotripsy balloon imaging catheter, which comprises: the medical balloon catheter comprises an imaging catheter (03A), a working balloon (02), a first working electrode pair (90A), a second working electrode pair (90B), a first working lead (01A), a second working lead (01B) and a third working lead (01C).
The accompanying drawings in the embodiments of the invention particularly show a partial view and an internal cross-sectional view of a working area of a shockwave lithotripsy balloon imaging catheter of the invention, and a partial schematic view of a catheter connector and a high-pressure connector portion.
FIG. 1 is a partial front view of the primary working area of a shockwave lithotripsy balloon imaging catheter, in accordance with an embodiment of the present invention, labeled as including: the rapid exchange port (04A, 04B), the imaging catheter (03A), the catheter imaging window (03B), the working balloon (02), the first working electrode pair (90A), the second working electrode pair (90B), the first working lead, the second working lead, the third working lead (01A, 01B, 01C) and the balloon attention port (80).
FIG. 2 is a partial top view of the primary working area of a shockwave lithotripsy balloon imaging catheter, in accordance with an embodiment of the present invention, marked in the figures as including: the developing device comprises a first developing ring (05A), a second developing ring (05B), a third developing ring (05C), a first working electrode (06A), a second working electrode (07A), a third working electrode (06B), a fourth working electrode (07B) and an optical lens base (08).
FIG. 3 is a partial cross-sectional view of the primary working area of a shockwave lithotripsy balloon imaging catheter, in accordance with an embodiment of the present invention, labeled as including: the optical fiber traction device comprises an optical lens (09), an optical fiber (10), a traction wire (20), a first working balloon far-end pin (30A) and a second working balloon near-end pin (30B).
FIG. 4 is a partial schematic view of an external connection portion of a shockwave lithotripsy balloon imaging catheter in accordance with an embodiment of the present invention, wherein the reference numerals in the drawing of the embodiment include: luer connector (40), catheter connector (50), push handle (60) and high pressure connector (70).
In the embodiment of the invention, the rapid exchange ports (04A, 04B) are arranged at the front end of the catheter imaging window (03B); the working sacculus (02) is arranged in the area of the catheter imaging window (03B), a far-end pin (30A) of the working sacculus is welded at the far end of the catheter imaging window (03B), and a near-end pin (30B) of the working sacculus is welded at the near end of the catheter imaging window (03B).
In the embodiment of the invention, the first working electrode pair (90A) is arranged on the outer wall of the catheter imaging window (03B) close to the proximal pin (30B) of the working balloon in the working balloon (02), and the second working electrode pair is arranged on the outer wall of the catheter imaging window (03B) close to the distal pin (30A) of the working balloon in the working balloon (02).
In an embodiment of the invention, the first working electrode pair (90A) comprises: a first working electrode (06A), a second working electrode (07A); the second working electrode pair (90B) includes: a third working electrode (06B) and a fourth working electrode (07B).
In the embodiment of the invention, the first working electrode (06A), the second working electrode (07A), the third working electrode (06B) and the fourth working electrode (07B) are arranged on the outer wall of the catheter imaging window (03B); the first working electrode (06A) and the second working electrode (07A) keep a certain distance and are on the same plane and the same straight line, and the installation mode of the third working electrode (06B) and the fourth working electrode (07B) is the same as that of the first working electrode (06A) and the second working electrode (07A);
in the embodiment of the invention, the first working lead (01A) is connected with the first working electrode (06A), and the second working lead (01B) is connected with the second working electrode (07A) and the fourth working electrode (07B); the third working lead (01C) is connected with the third working electrode (06B); the first working lead (01A) and the third working lead (01C) extend along the direction from the working balloon (02) to the electric appliance connector (70) and are connected to the high-voltage connector (70).
In the embodiment of the invention, the first developing ring (05A) is arranged between the first quick exchange port (04A) and the second quick exchange port (04B), the second developing ring (05B) is arranged on the outer wall of the catheter imaging window (03B) between the first working balloon pin (30A) and the third working electrode (06B), and the third developing ring (05C) is arranged on the outer wall of the catheter imaging window (03B) between the second working balloon pin (30B) and the first working electrode (06A).
In the embodiment of the invention, the optical lens (09) is connected with the optical fiber (10) into a whole, the traction wire (20) is tightly connected with the optical fiber (40) and the optical lens base (08), and the optical fiber (40) is welded to a flange connector arranged in the catheter connector (50).
In an embodiment of the invention, the shock wave lithotripsy balloon imaging catheter includes, but is not limited to, two sets of working electrode pairs.
In the embodiment of the invention, the shock wave electrode is made of materials including, but not limited to, tungsten, platinum-iridium alloy, stainless steel alloy and the like; the forms of the first working electrode (06A), the second working electrode (07A), the third working electrode (06B) and the fourth working electrode (07B) include, but are not limited to, circular rings, circular sheets, semicircular rings, square sheets and the like.
In the embodiment of the invention, the front end of a shock wave lithotripsy balloon imaging catheter is provided with a first quick exchange port and a second quick exchange port (04A and 04B), so that the shock wave lithotripsy balloon imaging catheter provided by the invention can quickly enter a calcified lesion position in a blood vessel under the traction of a guide catheter, after a working balloon (02) of the shock wave lithotripsy balloon imaging catheter reaches a calcified lesion region in the blood vessel, physiological saline and a contrast medium are injected into the imaging catheter in a certain proportion, the working balloon (02) is filled, the distribution condition of calcified substances in the calcified lesion region in the blood vessel is quickly and particularly and effectively presented on a display interface of an imaging system through the imaging function of the shock wave lithotripsy balloon imaging catheter, a doctor is helped to accurately position the calcified lesions, a working electrode pair releases shock wave energy through a pulse high-voltage power supply control system, the shock wave energy reaches the surface of the working balloon (02) through a medium and is uniformly distributed and acted on the positioned calcified lesions, the blood vessel intravascular lesions can be effectively treated, the passing rate of the blood vessel is improved, and the operation efficiency is improved.
The above description is only a specific embodiment of the present invention, and the scope of the multi-channel pulse high-voltage parameter controllable shockwave lithotripsy balloon imaging system and the catheter thereof includes but is not limited to the embodiments, and the specific embodiments shown in the present invention can be replaced and changed in the claims attached to the embodiments of the present invention, and the replacement and the change are included in the scope of the claims of the present application.
Claims (7)
1. A shock wave lithotripsy balloon imaging catheter, comprising: the working balloon comprises a working area, the working balloon is provided with a first working balloon pin and a second working balloon pin, the first working balloon pin and the far end of the catheter imaging window form a closed space, the second working balloon pin and the near end peripheral wall of the catheter imaging window form a closed space, and the first working electrode pair and the second working electrode pair are arranged in the working balloon working area and are arranged on the outer wall of the catheter imaging window.
2. The shock wave lithotripsy balloon imaging catheter of claim 1, wherein the first working electrode pair comprises: a first working electrode and a second working electrode, the second working electrode pair comprising: a third electrode and a fourth electrode, first working electrode, second working electrode, third working electrode and fourth working electrode set up in pipe formation of image window outer wall, first working electrode with second working electrode keeps the interval, and on the same straight line of coplanar, third working electrode with fourth working electrode keeps the interval, and on the same straight line of coplanar.
3. The shock wave lithotripsy balloon imaging catheter of claim 1, wherein the working wire comprises: a first work wire, a second work wire, a third work wire, an electrical apparatus connector, a high voltage connector, first work wire with first working electrode connects, second work wire with second working electrode, fourth working electrode connect, third work wire with third working electrode connects, first work wire and third work wire are followed the work sacculus extremely electrical apparatus connector direction extends and is connected to high voltage connector.
4. The shock wave lithotripsy balloon imaging catheter of claim 1, comprising: the optical lens is connected with the optical fiber, and the traction wire is connected with the optical fiber and the optical lens base.
5. The shock wave lithotripsy balloon imaging catheter of claim 1, wherein the imaging catheter body defines a first quick-switching port at a front end thereof, and a second quick-switching port at a front end thereof.
6. The shock wave lithotripsy balloon imaging catheter of claim 1, comprising: a first development ring, a second development ring and a third development ring, first development ring device in between first quick-witted exchange mouth and the second quick-machine exchange mouth, second development ring device in first work sacculus pin with pipe formation of image window outer wall between the third working electrode, third development ring device in pipe formation of image window outer wall between second work sacculus pin and the first working electrode.
7. The shock wave lithotripsy balloon imaging catheter of claim 1, wherein the first, second, third, and fourth working electrodes are made of materials comprising: tungsten, platinum iridium alloy or stainless steel alloy, the first working electrode, the second working electrode, the third working electrode and the fourth working electrode comprise: circular, disc, semi-circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211428243.6A CN115737062A (en) | 2022-11-15 | 2022-11-15 | Shock wave lithotripsy balloon imaging catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211428243.6A CN115737062A (en) | 2022-11-15 | 2022-11-15 | Shock wave lithotripsy balloon imaging catheter |
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| Publication Number | Publication Date |
|---|---|
| CN115737062A true CN115737062A (en) | 2023-03-07 |
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|---|---|---|---|
| CN202211428243.6A Pending CN115737062A (en) | 2022-11-15 | 2022-11-15 | Shock wave lithotripsy balloon imaging catheter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0289021A2 (en) * | 1987-04-30 | 1988-11-02 | Advanced Cardiovascular Systems, Inc. | Imaging balloon dilitation catheter |
| US20020042555A1 (en) * | 2000-10-06 | 2002-04-11 | Yuichi Komachi | Endoscope apparatus for inside wall of blood vessel |
| US20050192496A1 (en) * | 2004-01-09 | 2005-09-01 | Michael Maschke | Catheter for inserting into a vessel |
| US20060184076A1 (en) * | 2004-12-01 | 2006-08-17 | Gill Robert P | Ultrasonic device and method for treating stones within the body |
| US20200054352A1 (en) * | 2016-11-04 | 2020-02-20 | Les Solutions Medicales Soundbite Inc. | Device for delivering mechanical waves through a balloon catheter |
| CN215741268U (en) * | 2021-05-21 | 2022-02-08 | 哈尔滨医科大学 | Multifunctional catheter system with channel cavity |
| CN114886504A (en) * | 2022-05-30 | 2022-08-12 | 苏州润迈德医疗科技有限公司 | Shock wave lithotripsy balloon catheter capable of imaging and use method thereof |
| CN114903559A (en) * | 2022-05-27 | 2022-08-16 | 深圳英美达医疗技术有限公司 | Shock wave balloon catheter and system integrating optical coherence tomography |
| US20220354578A1 (en) * | 2021-05-10 | 2022-11-10 | Bolt Medical, Inc. | Optical analyzer assembly with safety shutdown system for intravascular lithotripsy device |
| CN115317072A (en) * | 2022-08-10 | 2022-11-11 | 深圳英美达医疗技术有限公司 | Intravascular imaging shock wave balloon catheter and medical equipment |
-
2022
- 2022-11-15 CN CN202211428243.6A patent/CN115737062A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0289021A2 (en) * | 1987-04-30 | 1988-11-02 | Advanced Cardiovascular Systems, Inc. | Imaging balloon dilitation catheter |
| US20020042555A1 (en) * | 2000-10-06 | 2002-04-11 | Yuichi Komachi | Endoscope apparatus for inside wall of blood vessel |
| US20050192496A1 (en) * | 2004-01-09 | 2005-09-01 | Michael Maschke | Catheter for inserting into a vessel |
| US20060184076A1 (en) * | 2004-12-01 | 2006-08-17 | Gill Robert P | Ultrasonic device and method for treating stones within the body |
| US20200054352A1 (en) * | 2016-11-04 | 2020-02-20 | Les Solutions Medicales Soundbite Inc. | Device for delivering mechanical waves through a balloon catheter |
| US20220354578A1 (en) * | 2021-05-10 | 2022-11-10 | Bolt Medical, Inc. | Optical analyzer assembly with safety shutdown system for intravascular lithotripsy device |
| CN215741268U (en) * | 2021-05-21 | 2022-02-08 | 哈尔滨医科大学 | Multifunctional catheter system with channel cavity |
| CN114903559A (en) * | 2022-05-27 | 2022-08-16 | 深圳英美达医疗技术有限公司 | Shock wave balloon catheter and system integrating optical coherence tomography |
| CN114886504A (en) * | 2022-05-30 | 2022-08-12 | 苏州润迈德医疗科技有限公司 | Shock wave lithotripsy balloon catheter capable of imaging and use method thereof |
| CN115317072A (en) * | 2022-08-10 | 2022-11-11 | 深圳英美达医疗技术有限公司 | Intravascular imaging shock wave balloon catheter and medical equipment |
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Application publication date: 20230307 |