Quick release handle assembly

A tool for reaming a bone canal, comprising:

• a first member having distal and proximal ends;
• a post extending from the proximal end of the first member, said post having a substantially D-shaped cross-section defining a substantially flat side with a notch therein;
• and
• a quick release handle having,
• a post-receiving member defining a bore for receiving said post and a channel disposed at an acute angle to and communicating with the bore,
• a pin member disposed within the channel and moveable from a first locked position extending at least partially into the bore and into said notch when the post is received in said bore and a second unlocked position, and
• means for retaining the pin member in said first position such that the post received in the bore is retained thereby.

Handle assembly for retaining a tool, comprising:

• first member defining a bore for receiving and orienting the tool with the handle and a channel disposed at an angle to and communicating with the bore;
• pin member disposed within the channel and movable from a first locked position extending at least partially into the bore and a second unlocked position;
• means for retaining the pin member in said first position such that the tool received in the bore is retained thereby,
• wherein said means for retaining the pin member comprises a movable collar slidable over the first member and biasing means for biasing the collar to retain the pin in communication with the bore:
• means for releasing the pin from said first position comprising a movable sleeve adapted to move the collar against the biasing means to release the pin;
• and
• a lever means to move the sleeve,
• the lever means comprises a slide lever adapted to slide the sleeve and a pivot pin interconnecting the lever and the first member whereby the lever moves between a position adjacent and a position away from the first member.

A handle comprising an elongate body portion and a post-retaining portion;

• the retaining portion comprising:
• (a) a core member having a front and back end with a longitudinal bore formed in the front end and a channel in communication with said bore and formed in said core member at an acute angle to the bore;
• (b) a pin movable within the channel between a locked position wherein said pin protrudes and is retained within said bore and a released position wherein the pin is free to move within said channel;
• (c) a movable collar adapted to slide over said core member to move said pin within said channel and retain said pin in said locked position;
• (d) a spring mounted over the core and configured to bias the collar toward the front end of the core and to move said collar against said pin in said locked position;
• (e) a movable sleeve mounted over the collar and adapted to retract said collar to free the pin within the channel;
• (f) a slide lever adapted to slide said sleeve to thereby move said collar toward the rear end of the core;
• and
• (g) pivot means interconnecting the lever and the body portion whereby the lever is free to move between a locked position adjacent and an unlocked position away from the body position.