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1. WO2020142773 - SURGICAL HAND PIECE WITH POST-OCCLUSION SURGE ELIMINATION

Publication Number WO/2020/142773
Publication Date 09.07.2020
International Application No. PCT/US2020/012388
International Filing Date 06.01.2020
IPC
A61F 9/007 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
9Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
007Methods or devices for eye surgery
A61M 3/02 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
3Medical syringes, e.g. enemata; Irrigators
02Enemata; Irrigators
A61B 17/32 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
32Surgical cutting instruments
A61N 7/00 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
7Ultrasound therapy
CPC
A61B 2017/320072
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
32Surgical cutting instruments
320068using mechanical vibrations, e.g. ultrasonic
320072Working tips with special features, e.g. extending parts
A61B 2017/320075
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
32Surgical cutting instruments
320068using mechanical vibrations, e.g. ultrasonic
320072Working tips with special features, e.g. extending parts
320074blade
320075single edge blade, e.g. for cutting
A61B 2217/005
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
2217General characteristics of surgical instruments
002Auxiliary appliance
005with suction drainage system
A61B 2217/007
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
2217General characteristics of surgical instruments
002Auxiliary appliance
007with irrigation system
A61F 9/00745
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
9Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
007Methods or devices for eye surgery
00736Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
00745using mechanical vibrations, e.g. ultrasonic
Applicants
  • SURGICAL DESIGN CORPORATION [US]/[US]
Inventors
  • BANKO, William
Agents
  • GARNER, Melvin, C.
  • CHENG, Susie
  • BARNHARD, Elizabeth
  • ELLIS, Edward, J.
  • LEASON, David
Priority Data
16/240,51304.01.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SURGICAL HAND PIECE WITH POST-OCCLUSION SURGE ELIMINATION
(FR) PIÈCE À MAIN CHIRURGICALE DOTÉE D'UNE ÉLIMINATION D'AFFLUX POST-OCCLUSION
Abstract
(EN)
A work tip for a surgical hand piece has a solid blade connected to a source of ultrasonic energy in the hand piece. The knife has grooves in its surfaces. The work tip further including an irrigation and aspiration tubes extending along opposite surfaces of the blade and being at least partially within the grooves. The blade has a collar adjacent its distal end and at least the aspiration tube extends ends at a distance from the collar. The edges of the collar- are made sharp enough to emulsify cataract tissue when vibrated at ultrasonic frequencies so that occlusion of the aspiration tube is prevented.
(FR)
La présente invention concerne une pointe de travail pour une pièce à main chirurgicale ayant une lame solide reliée à une source d'énergie ultrasonore dans la pièce à main. Le couteau présente des rainures dans ses surfaces. La pointe de travail comprend en outre des tubes d'irrigation et d'aspiration s'étendant le long de surfaces opposées de la lame et étant au moins partiellement à l'intérieur des rainures. La lame a un collier adjacent à son extrémité distale et au moins le tube d'aspiration s'étend à une certaine distance du collier. Les bords du collier sont suffisamment tranchants afin d'émulsifier le tissu de la cataracte lorsqu'ils vibrent à des fréquences ultrasonores de sorte que l'occlusion du tube d'aspiration est empêchée.
Also published as
Latest bibliographic data on file with the International Bureau