Patent ID: 7135031

Claim:
A repeated use trocar-needle insertion gun (RUTI) operating in association with a loading tool, comprising: a needle portion of the RUTI being configured for gripping a trocar-needle before insertion into a bone, and for release of the trocar-needle upon insertion into the bone, a front portion of the RUTI being configured for adjusting insertion-depth of the trocar-needle into the bone, and for protecting the trocar-needle prior to release, a rear portion of the RUTI having a shooting mechanism operative for shooting the trocar-needle, and a catch adapted for retaining the shooting mechanism, and for releasing the shooting mechanism when triggered for shooting, and the front portion being releasably coupled to the rear portion, the rear portion comprising: a housing having a housing inside, a housing outside and a housing bottom, at least one spring disposed inside the housing and residing in a first compressed condition associated with a loaded state of the RUTI before shooting the trocar-needle, and in a second released condition associated with a spent state of the RUTI after shooting the trocar-needle, at least one open loading opening being accommodated in the bottom of the housing of the RUTI to provide access therethrough, from the outside to the inside, for coupling the loading tool with the at least one spring, and a loading tool configured for coupling with and operative for reloading the RUTI in situ from the spent state to the loaded state via the at least one loading opening.