CA2288768A1 - Multiple bladed surgical cutting device removably connected to a rotary drive element - Google Patents

Multiple bladed surgical cutting device removably connected to a rotary drive element Download PDF

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Publication number
CA2288768A1
CA2288768A1 CA002288768A CA2288768A CA2288768A1 CA 2288768 A1 CA2288768 A1 CA 2288768A1 CA 002288768 A CA002288768 A CA 002288768A CA 2288768 A CA2288768 A CA 2288768A CA 2288768 A1 CA2288768 A1 CA 2288768A1
Authority
CA
Canada
Prior art keywords
cutting
cutting head
head
window
cutting device
Prior art date
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.)
Granted
Application number
CA002288768A
Other languages
French (fr)
Other versions
CA2288768C (en
Inventor
James Cooper Thomas
Rick D. Roberts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Howmedica Osteonics Corp
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/853,065 external-priority patent/US5925056A/en
Application filed by Individual filed Critical Individual
Publication of CA2288768A1 publication Critical patent/CA2288768A1/en
Application granted granted Critical
Publication of CA2288768C publication Critical patent/CA2288768C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1613—Component parts
    • A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1613—Component parts
    • A61B17/1633—Sleeves, i.e. non-rotating parts surrounding the bit shaft, e.g. the sleeve forming a single unit with the bit shaft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
    • A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00261—Discectomy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
    • A61B2017/320775—Morcellators, impeller or propeller like means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for
    • A61B2090/062—Measuring instruments not otherwise provided for penetration depth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0801—Prevention of accidental cutting or pricking
    • A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A61B2217/005—Auxiliary appliance with suction drainage system

Abstract

This invention is a cutting device (10) for the cutting, and reduction of matter from a surgical site having a cutting head (16), having an entry tip (30), a cutting blade (22) positioned on opposed leading edges of a window (20) formed through the interior of the cutting head (16). The window (20) includes angled walls extending from each cutting blade (22) along the circumference of the window (20).
The cutting head (16) is attached to a shaft (14) for mounting the cutting drive (10) to a rotary surgical drill. The cutting head (16) can also have a blade on the outer perimeter of the head. The cutting head (16) can also include three or more cutting blades (22) positioned on opposed leading edges of a window (20) formed through the interior of the cutting head (16). The matter is removed, and further reduced as the cutting head (16) is rotated at the surgical site. The geometry of the cutting head (16), and entry tip (20) can be varied for particular surgical procedures. The cutting device can also include a cannula or drill guard (152).
CA002288768A 1997-05-08 1998-05-07 Multiple bladed surgical cutting device removably connected to a rotary drive element Expired - Fee Related CA2288768C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/853,065 US5925056A (en) 1996-04-12 1997-05-08 Surgical cutting device removably connected to a rotary drive element
US08/853,065 1997-05-08
US08/889,016 1997-07-07
US08/889,016 US5857995A (en) 1996-08-15 1997-07-07 Multiple bladed surgical cutting device removably connected to a rotary drive element
PCT/US1998/009414 WO1998049945A1 (en) 1997-05-08 1998-05-07 Multiple bladed surgical cutting device removably connected to a rotary drive element

Publications (2)

Publication Number Publication Date
CA2288768A1 true CA2288768A1 (en) 1998-11-12
CA2288768C CA2288768C (en) 2005-12-27

Family

ID=27127112

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002288768A Expired - Fee Related CA2288768C (en) 1997-05-08 1998-05-07 Multiple bladed surgical cutting device removably connected to a rotary drive element

Country Status (5)

Country Link
US (1) US5857995A (en)
EP (1) EP0986328A4 (en)
JP (1) JP2001526565A (en)
CA (1) CA2288768C (en)
WO (1) WO1998049945A1 (en)

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* Cited by examiner, † Cited by third party
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EP0986328A4 (en) 2001-05-30
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CA2288768C (en) 2005-12-27
AU7294698A (en) 1998-11-27
AU726056B2 (en) 2000-10-26
EP0986328A1 (en) 2000-03-22
US5857995A (en) 1999-01-12

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