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US 11,759,259 B2Granted
Tissue removal device with adjustable delivery sleeve for neurosurgical and spinal surgery applications
AssigneeNico Corporation
InventorsJoseph L. Mark, Brian C. Dougherty
Life of this patent
Estimating the term…
Abstract
A tissue cutting device is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. A delivery sleeve may be selectively provided that is configured to be disposed about the outer cannula for delivery of a variety of devices.
Claims20
A tissue removal system, comprising:
- a handpiece;
- an outer cannula having an outer cannula lumen, a proximal end, a distal end, and an outer cannula opening at the distal end, wherein the opening defines a cutting edge for severing tissue;
- and
- a delivery sleeve disposed about the outer cannula, wherein the delivery sleeve comprises an outer cannula channel and at least one delivery channel extending the length of the delivery sleeve, the delivery sleeve being removable from the outer cannula at the distal end of the outer cannula.
1 more element
A tissue removal system, comprising:
- a handpiece;
- an outer cannula having an outer cannula lumen, a proximal end, a distal end, and an outer cannula opening at the distal end, wherein the opening defines a cutting edge for severing tissue;
- and
- a delivery sleeve insertable at the distal end of the outer cannula and arranged around the outer cannula and forming an outer cannula channel and at least one delivery channel when the delivery sleeve is in an installed condition, wherein the delivery channel extends the length of the delivery sleeve.
1 more element
A tissue removal system, comprising:
- a handpiece;
- an outer cannula having an outer cannula lumen, a proximal end, a distal end, and an outer cannula opening at the distal end, wherein the opening defines a cutting edge for severing tissue;
- a delivery sleeve disposed about the outer cannula, wherein the delivery sleeve comprises an outer cannula channel and at least one delivery channel extending the length of the delivery sleeve, the delivery sleeve being removable from the outer cannula at the distal end of the outer cannula;
- and
- a hub which includes a first channel and a second channel each disposed within the hub, wherein the outer cannula channel and the delivery channel being in communication with the first and second channel, respectively.
2 more elements
Dependencies are inferred from the claim text.