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1. 发明授权

US11540817B2 Minimally invasive no touch (MINT) procedure for harvesting the great saphenous vein (GSV) and venous hydrodissector and retractor for use during the mint procedure 有权
公开(公告)号：US11540817B2
公开(公告)日：2023-01-03
申请号：US16909704
申请日：2020-06-23
申请人： OBP SURGICAL CORPORATION
发明人： John Gallagher , Jeffrey Ralph Swift , Douglas McConnell , Jason Swift
IPC分类号： A61B17/02 , A61B17/00 , A61B90/30 , A61B17/32 , A61B17/3203 , A61B90/00
摘要： A hydrodissector for hydrodissecting a vascular target, the hydrodissector comprising: a handle; a shaft extending from the handle at an angle and including a tip at a distal end thereof; at least one port provided at the tip and configured to be coupled to a fluid supply and to eject fluid from the at least one port into the space between the vascular target and surrounding tissues to dissect the vascular target from the surrounding tissues, the at least one port being sized to provide sufficient pressure and velocity to dissect the vascular target from the surrounding tissues, wherein the length of the shaft is configured for insertion into an incision to atraumatically hydrodissect the vascular target from the surrounding tissues, and wherein the shaft is configured to releasably couple with one or more hook-shaped attachments configured to lift the vascular target after the vascular target is dissected from the surrounding tissues.

2. 发明申请

US20220395291A1 MICROCAVITATION SYSTEM, DEVICE, AND ULTRASONIC PROBE ASSEMBLY FOR GENERATING DIRECTIONAL MICROCAVITATION 有权
公开(公告)号：US20220395291A1
公开(公告)日：2022-12-15
申请号：US17642784
申请日：2019-09-16
申请人： Bard Peripheral Vascular, Inc.
发明人： Aseem Singh
IPC分类号： A61B17/32 , A61B17/3203
摘要： A microcavitation system, device, and ultrasonic probe assembly for generating directional microcavitation includes a cannula and an ultrasonic transmission member. The ultrasonic transmission member has a first end portion and a second end spaced apart from the first end portion. The cannula has a tubular side wall, a cannula lumen, a fluid input port, a proximal end, a distal end, and a distal end portion. The ultrasonic transmission member is located in the cannula lumen. The fluid input port of the cannula is connected in fluid communication with the cannula lumen. The distal end portion of the cannula is configured to define a cavitation generation chamber. The cavitation generation chamber has a distal end wall at the distal end of the cannula that is configured as a sieve to define a plurality of apertures.

3. 发明申请

US20220387064A1 THROMBECTOMY APPARATUS AND METHOD 有权
公开(公告)号：US20220387064A1
公开(公告)日：2022-12-08
申请号：US17887910
申请日：2022-08-15
申请人： WALK VASCULAR, LLC
发明人： Mark L. Jenson , William J. Drasler , Joseph M. Thielen
IPC分类号： A61B17/3203 , A61B17/221 , A61M1/00 , A61M25/01 , A61M25/09
摘要： A thrombectomy system may include an elongate shaft that defines a high pressure lumen and a low pressure lumen. The high pressure lumen may terminate near an end of the low pressure lumen. An expandable capture basket may be disposed near the end of the low pressure lumen. A thrombectomy apparatus may include an elongate shaft, an evacuation lumen extending within the elongate shaft and a high pressure lumen extending within the elongate shaft. A capture apparatus may be disposed within a wire lumen that extends within the elongate shaft such that the capture apparatus extends distally from the wire lumen.

4. 发明申请

US20220378444A1 SYSTEMS AND METHODS FOR REMOVAL OF BLOOD AND THROMBOTIC MATERIAL 有权
公开(公告)号：US20220378444A1
公开(公告)日：2022-12-01
申请号：US17884159
申请日：2022-08-09
申请人： Walk Vascular, LLC
发明人： David M. Look , Mark Mallaby , Bradley S. Culbert
IPC分类号： A61B17/22 , A61M5/145 , A61M5/142 , A61B17/3203 , A61M1/00
摘要： A method of removing a thrombus including providing an aspiration catheter having an aspiration lumen and a supply lumen, providing a cassette configured to be connected to the supply lumen of the aspiration catheter, the cassette comprising a piston, and providing a pump base configured to receive the cassette in a movable engagement. The method also includes inserting the aspiration catheter into the vasculature of a patient, advancing the aspiration catheter to a region of interest, and operating the pump base to provide the fluid to the supply lumen of the aspiration catheter.

5. 发明授权

US11490909B2 Systems and methods for removal of blood and thrombotic material 有权
公开(公告)号：US11490909B2
公开(公告)日：2022-11-08
申请号：US16900705
申请日：2020-06-12
申请人： WALK VASCULAR, LLC
发明人： David M. Look , Mark Mallaby , Bradley S. Culbert
IPC分类号： A61B17/22 , A61M5/145 , A61M5/142 , A61B17/3203 , A61M1/00
摘要： A system for aspirating thrombus includes a catheter having a supply lumen having a distal end and an aspiration lumen configured to couple to a vacuum source and having an interior wall surface and an open distal end, an orifice at or near the distal end of the supply lumen, in fluid communication with the interior of the aspiration lumen, the orifice located proximally of the open distal end of the aspiration lumen, wherein the orifice is configured to create a spray pattern that impinges on the interior wall surface of the aspiration lumen when a distal end of the aspiration catheter is immersed within an aqueous environment, and a disposable tubing set having a first conduit configured to couple the supply lumen of the aspiration catheter to a fluid source, and a pump component associated with the first conduit and configured to detachably couple to a drive unit.

6. 发明授权

US11478269B2 Minimally invasive methods for multi-fluid tissue ablation 有权
公开(公告)号：US11478269B2
公开(公告)日：2022-10-25
申请号：US16392984
申请日：2019-04-24
申请人： AquaBeam, LLC
发明人： Nikolai Aljuri
IPC分类号： A61B18/24 , A61B17/3203 , A61B18/04 , A61B18/14 , A61B18/18 , A61F9/007 , A61B18/20 , A61B18/00 , A61B17/00 , A61B17/22
摘要： Prostate treatment using fluid stream to resect prostate tissue, thereby relieving symptoms of conditions such as BPH, prostatitis, and prostatic carcinoma. A device having a fluid delivery element is positioned within a lumen of the urethra within the prostate. A fluid stream is directed outwardly from the fluid delivery element toward a wall of the urethral lumen. The fluid delivery element is moved to scan the fluid stream over the wall to remove a volume of tissue surrounding the lumen. The fluid may be combined with therapeutically active substances or with substances that increase resection efficiency. Fluid force may be adjusted to provide selective tissue resection such that soft tissue is removed while harder tissue is left undamaged. In order to gain a working space within the urethra, another fluid may be introduced to insufflate the urethra in the region of treatment.

7. 发明授权

US11432838B2 Nozzle assemblies for liquid jet surgical instruments and surgical instruments for employing the nozzle assemblies 有权
公开(公告)号：US11432838B2
公开(公告)日：2022-09-06
申请号：US16550059
申请日：2019-08-23
申请人： HydroCision, Inc.
发明人： Kevin P. Staid , James J. Frassica , Ernest A Dion , David P. Hesketh , Joseph A. Meranda
IPC分类号： A61B17/3203 , A61B17/32 , A61M1/00 , A61B17/3207 , A61B17/00
摘要： Disclosed are nozzles and nozzle assemblies of liquid jet-forming surgical instruments, surgical instruments employing such nozzles and/or nozzle assemblies, and methods of fabricating the nozzle assemblies in forming surgical instruments. Also, disclosed are liquid jet-forming surgical instruments including both liquid jet-forming nozzles and optional evacuation lumens, which when provided can be configured to receive the liquid jet and evacuate the liquid forming the liquid jet. Certain embodiments of such surgical instruments include inventive nozzle alignment component(s) to facilitate alignment of the nozzles and evacuation lumen upon assembly. In certain embodiments, surgical instruments are provided that include a nozzle that is shaped to form a liquid jet, which has surfaces that are optically smooth. In certain embodiments, the nozzle has a configuration enabling the nozzle to form a liquid jet that has the ability to remain collimated over longer distances than is typically achievable with conventional liquid jet surgical instrument nozzles having the same ratio of nozzle length to minimum inner diameter of the jet opening. In certain embodiments, nozzle assemblies comprising an operative assembly of at least two subcomponents, which together provide a nozzle are provided. In certain embodiments, the at least two sub-components may comprise a nozzle-providing component, such as a nozzle ring, and a holder that is configured to retain and position the nozzle-providing component in the nozzle assembly. In certain embodiments, the nozzle-providing component can comprise a liquid flow passage having a diameter that continuously decreases along at least a portion of its length.

8. 发明授权

US11432835B2 Apparatus and methods for clot aspiration 有权
公开(公告)号：US11432835B2
公开(公告)日：2022-09-06
申请号：US16000762
申请日：2018-06-05
申请人： Penumbra, Inc.
发明人： Robyn Shaffer , Stephen Pons , Kyle West , Alex Rabkin , Sharice Quan Handa , Robert A. Riccomini , Daniel K. Harden , Michael C. Makay , Cole J. Derby
IPC分类号： A61B17/221 , A61B17/3203 , A61B17/3207 , A61M1/00 , A61B17/22
摘要： A system for connection to a catheter to aspirate clot from the vasculature of a patient includes a vacuum console and a canister assembly which can be removably mounted in a mounting region of the vacuum console. The canister assembly includes a clear canister with an interior and an open top. A lid is removably attachable over the open top of the clear canister, and the clear canister has a vacuum port and a pressure sensing port each formed in a wall of the canister. The vacuum port aligns with a vacuum connector on the enclosure and the pressure sensing port aligns with a pressure sensing connector on the enclosure when the canister assembly is mounted on the mounting region of the vacuum console. The clear canister has a filter plate configured to be suspended in the interior of the clear canister at a location mid-way between the open top and a bottom to separate clot from blood as they are aspirated from the catheter.

9. 发明申请

US20220240955A1 METHODS AND DEVICES TO AMELIORATE VASCULAR OBSTRUCTION 有权
公开(公告)号：US20220240955A1
公开(公告)日：2022-08-04
申请号：US17681900
申请日：2022-02-28
申请人： Daniel Ezra Walzman
发明人： Daniel Ezra Walzman
IPC分类号： A61B17/22 , A61F2/01 , A61B17/3203 , A61B17/3207 , A61B8/06 , A61B8/12 , A61M25/00
摘要： Methods for removing blockages and preventing thromboembolic injuries, by advancing to a blockage a first tubular, endovascular device receiving irrigating fluid through a proximal opening, having a circumferential wall, lumen, at least one distal side hole oriented angularly to a distal opening; ejecting fluid from the side hole(s) to irrigate a blockage; introducing a second catheter for aspiration, comprising a circumferential wall having a proximal and distal opening, a flared, semi-permeable filter at the distal end for removal of emboli through the second lumen; advancing the second device to a blood vessel receiving blood from the blocked vessel, aspirating the blockage, axially rotating the first endovascular device having at least one half-loop to macerate an obstruction, capturing and removing emboli from the blockage through the second endovascular device which prevents emboli from causing further blockage of blood vessels. Variants of said method including a third rotatable device.

10. 发明申请

US20220218896A1 APPARATUS AND METHODS FOR MEDICAL APPLICATIONS OF LASER DRIVEN MICROFLUID PUMPS 有权
公开(公告)号：US20220218896A1
公开(公告)日：2022-07-14
申请号：US17612391
申请日：2020-05-20
申请人： University of Houston System
发明人： Jiming Bao , Wei-Kan Chu , Feng Lin , Shuai Yue , Di Chen , Dennis McWilliams
IPC分类号： A61M5/142 , A61B17/3203 , F04F7/00
摘要： An apparatus for drug delivery is presented in accordance with aspects of the present disclosure. The apparatus includes a laser-driven photoacoustic microfluid pump (LDMP), an open tube capillary including a first end and a second end; the first end disposed on the LDMP, the open tube capillary configured to store a drug. The LDMP is configured to generate a fluidic jet from the drug and deliver the drug.

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