Method and apparatus for processing dermal tissue
AssigneeWright Medical Technology, Inc.
InventorsElof Eriksson, Christian Baker, W. Robert Allison
Life of this patent
Estimating the term…
Abstract
A portable and disposable device is provided for processing harvested dermal tissue. The device includes a housing presenting a handle having a gripping surface and a cutting head attached to the handle. A cutting assembly is supported by the cutting head and includes a plurality of spaced cutting blades that are rotatable with respect to the housing. A receptacle is disposed downstream of the cutting assembly and receives the sliced tissue from the cutting blades. The device is thus operable to slice harvested tissue into strips, and further into fine particles, that can be used for transplantation onto a wound site.
Claims26
An apparatus for processing harvested dermal tissue supported on a cutting surface, comprising:
- a housing presenting a handle having a gripping surface and a cutting head attached to the handle;
- a cutting assembly rotatably connected to the cutting head, the cutting assembly including a plurality of spaced apart blade tips that are configured to cut through the harvested tissue as the cutting assembly rotates along the cutting surface to produce sliced tissue, the blade tips being spaced apart by spacer members having a diameter less than a cutting blade diameter;
- a tissue separator including a base supported by the housing and a plurality of tines extending outwardly from the base and configured to interdigitate between adjacent blade tips, wherein the tines remove sliced tissue lodged in the cutting assembly, and wherein the tines engage the spacer members;
- and
- a receptacle disposed downstream of the cutting assembly, the receptacle receiving the sliced tissue from the cutting blades.
An apparatus for processing harvested dermal tissue, comprising:
- a housing presenting a handle having a gripping surface and a cutting head attached to the handle;
- a cutting assembly rotatably connected to the cutting head, the cutting assembly including a plurality of spaced apart blade tips that are configured to cut through the harvested tissue as the cutting assembly rotates along the cutting surface to produce sliced tissue;
- a first tissue separator including a base supported by the housing and a plurality of tines extending outwardly from the base, the plurality of tines configured to interdigitate with adjacent cutting blade tips and to remove sliced tissue lodged in the cutting assembly when the apparatus is moved in a first direction;
- and
- a second tissue separator including a second base supported by the housing and a second plurality of tines extending outwardly from the second base, the second plurality of tines configured to interdigitate with adjacent cutting blade tips, the second tissue separator configured to dislodge sliced tissue from the blades when the apparatus is moved in a second direction.
A hand-held apparatus for processing harvested tissue, comprising:
- a cutting head;
- a cutting assembly disposed within the cutting head, the cutting assembly including a plurality of spaced apart blades having tips, the blades configured to rotate with respect to the cutting head to cut through the harvested tissue;
- a first handle extending from the cutting head and providing a first gripping surface;
- a second handle pivotally coupled to the cutting head and providing a second gripping surface;
- a first separator connected to the cutting head, the first separator having a first plurality of tines sized and arranged to interdigitate with the spaced apart blades, the first separator configured to dislodge sliced tissue from the blades when the hand-held apparatus is moved in a first direction;
- and
- a second separator connected to the cutting head, the second separator having a second plurality of tines sized and arranged to interdigitate with the spaced apart blades, the second separator configured to dislodge sliced tissue from the blades when the apparatus is moved in a second direction.
Dependencies are inferred from the claim text.