Disposable grafting knife
AssigneeThe United States of America as represented by the Secretary of the Air Force
InventorsDaniel R. Dettwiler, Michael D. Shannon
Life of this patent
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Abstract
A disposable gingival grafting knife is described which comprises a narrow blade sharpened on one side, formed to define a preselected cross-sectional shape of the graft and embedded into the end of a sterilizable handle to define preselected width and thickness for the graft, and a tissue graft receptacle removably attachable to the back of the knife near the blade for catching the harvested graft.
Claims8
A disposable surgical knife for harvesting a tissue graft of substantially uniform width and thickness, comprising:
- (a) a handle having first and second ends and corresponding first and second lengthwise portions of respective preselected lengths joined at an angle of about 120.degree. to 150.degree.;
- (b) a narrow blade having first and second ends, said blade being sharpened on one side and formed along the length thereof to define a preselected cross-sectional size and shape of a tissue graft, said first and second ends of said blade being embedded into said second end of said handle to define preselected width and thickness for said cross-sectional size and shape of the graft;
- and
- (c) a cup-shaped receptacle removably attachable to said second lengthwise portion of said handle near said blade, said receptacle defining a cavity near said blade for catching a harvested tissue graft, and means on said handle near said second end thereof for removably attaching said receptacle to said handle.
A disposable surgical knife for harvesting a tissue graft of substantially uniform width and thickness, comprising:
- (a) a handle having first and second ends and corresponding first and second lengthwise portions of respective preselected lengths joined at an angle of about 120.degree. to 150.degree.;
- (b) a narrow blade having first and second ends, said blade being sharpened on one side and formed along the length thereof to define a preselected cross-sectional size and shape of a tissue graft, said first and second ends of said blade being embedded into said second end of said handle to define preselected width and thickness for said cross-sectional size and shape of the graft;
- (c) a cup-shaped receptacle attached to said second lengthwise portion of said handle near said blade, said receptacle defining a cavity near said blade for catching a harvested tissue graft;
- and
- (d) means on said handle near said second end thereof for attaching said receptacle to said handle.
Dependencies are inferred from the claim text.