Disposable self-shielding unit dose syringe guard

A syringe comprising:

• a cartridge for holding medication having proximal and distal ends, and having a needle extending from the distal end and a lip on the proximal end;
• a substantially rigid body having a cavity into which the cartridge is received, a finger grip on a proximal end of the body having lateral sides substantially surrounding a space for receiving the lip therein when the cartridge is received in the cavity, and a detent mechanism at least partially defining one or more openings in the lateral sides for engaging the lip to substantially permanently encapsulate the cartridge in the cavity, thereby restraining the cartridge from being removed proximally from the cavity, the body having a distal opening through which the needle extends;
• a shield slidably attached to the body, the shield being slidable distally in relation to the body from an unguarded position where the needle extends beyond a distal end of the shield to a guarded position where the shield substantially covers the needle;
• and
• cooperating detents on the shield and body for locking the shield in the guarded position.

A guard for a medical cartridge having a proximal and a distal end, and having its own needle extending from the distal end, the guard comprising:

• a body having a cavity adapted to receive the cartridge axially therein through an open proximal end of the body, and having a distal end including an opening through which the needle may extend when the cartridge is received within the cavity;
• said proximal end of the body having sides substantially surrounding a space for receiving the proximal end of the medical cartridge, and having one-way detents at least partially defining one or more openings in the sides for substantially permanently engaging the proximal end of the cartridge received in the cavity within the space when the cartridge is received within the cavity;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarded and a guarded position, thereby uncovering and covering, respectively, the needle on the cartridge;
• a finger grip on one of the body and the shield;
• and
• cooperating detents on the shield and body for holding the shield in the unguarded and guarded positions.

A guard for a syringe comprising a proximal end and a distal end, a lip on the proximal end, and a needle extending from the distal end, the guard comprising:

• a body comprising a cavity for receiving the syringe axially therein through an open proximal end of the body, and comprising an open distal end;
• a finger grip on the proximal end of the body having one or more lateral surfaces substantially enclosing a recess for receiving the proximal end of the syringe therein and for substantially permanently engaging the lip on the proximal end of the syringe received in the cavity;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarded and a guarded position, the needle on the syringe extending through the open distal end in the unguarded position and being covered by the shield in the guarded position;
• and
• cooperating detents on the shield and body for holding the shield in the unguarded and guarded positions.

A syringe comprising:

• a syringe holding medication comprising proximal and distal ends, the syringe comprising a needle extending from the distal end and a lip on the proximal end;
• a body comprising a cavity for receiving the syringe axially therein through an open proximal end of the body, and comprising an open distal end;
• a finger grip on the proximal end of the body having one or more lateral surfaces substantially enclosing a recess for receiving the proximal end of the syringe therein and for engaging the lip to substantially permanently encapsulate the syringe in the body;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarded and a guarded position, thereby uncovering and covering, respectively, the needle on the syringe;
• and
• cooperating detents on the shield and body for holding the shield in the guarded and unguarded positions.

A guard for a syringe comprising a proximal end and a distal end, a lip on the proximal end, and a needle extending from the distal end, the guard comprising:

• a substantially rigid body comprising a cavity for receiving the syringe axially therein through an open proximal end of the body, and comprising an open distal end;
• a finger grip on the proximal end of the body having one or more lateral surfaces substantially enclosing a recess for receiving the proximal end of the syringe therein;
• one or more detents extending from the one or more lateral surfaces for engaging the lip to substantially permanently encapsulate the syringe in the body;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarded and a guarded position, thereby uncovering and covering, respectively, the needle on the syringe;
• and
• cooperating detents on the shield and body for holding the shield in the unguarded and guarded positions.

A guard for a syringe comprising a proximal end and a distal end, a lip on the proximal end, and a needle extending from the distal end, the guard comprising:

• a body comprising a cavity for receiving the syringe axially therein through an open proximal end of the body, and comprising an open distal end, the proximal end of the body having a finger grip with a plurality of slots for receiving a portion of the lip of the syringe therein for substantially permanently locking the syringe to the body;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarded and a guarded position, the needle on the syringe extending through the open distal end in the guarded position and being covered by the shield in the guarded position;
• and
• cooperating detents on the shield and body for holding the shield in the unguarded and guarded positions.

A guard for a syringe having a needle associated therewith, the guard comprising:

• a body for receiving a syringe axially through an open proximal end of the body, and having an open distal end, the proximal end of the body having a finger grip with a wall for substantially enclosing a recess for receiving the proximal end of a syringe therein, adapted to substantially permanently engage a lip on the proximal end of a syringe received in the recess;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarding and a guarding position, said shield being adapted to permit a needle on a syringe to extend through the open distal end when the shield is in the unguarding position and to cover the shield in the guarding position;
• and
• cooperating detents on the shield and body for holding the shield in the unguarding and guarding positions.

The combination comprising a syringe having a needle associated with the distal end thereof and a guard, said combination, comprising:

• a syringe comprising a cartridge for holding medication therein and having proximal and distal ends, the syringe comprising a needle extending from its distal end and a lip on its proximal end;
• a guard comprising a body for receiving the syringe axially through an open proximal end of the body, and comprising an open distal end, the proximal end of the body having a finger grip and a wall for substantially enclosing a recess for receiving the proximal end of the syringe therein for substantially permanently engaging the lip on the proximal end of the syringe received in the cavity;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarding and a guarding position, the needle on the syringe extending through the open distal end when the shield is in the unguarding position and being covered by the shield when the shield is in the guarding position;
• and
• cooperating detents on the shield and body for holding the shield in the unguarding and guarding positions.

A guard for a syringe comprising a proximal end and a distal end, a lip on the proximal end, and a needle extending from the distal end, the guard comprising:

• a substantially rigid body for receiving the syringe axially through an open proximal end of the body, and comprising an open distal end, the proximal end of the body having a finger grip and a wall substantially enclosing a recess for receiving the proximal end of the syringe therein;
• the recess being provided with one or more detents extending from one or more lateral surfaces of the body for engaging the lip to substantially permanently encapsulate the syringe through the body;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarded and a guarded position, thereby uncovering and covering, respectively, the needle on the syringe;
• and
• cooperating detents on the shield and body for holding the shield in the unguarded and guarded positions.

A guard for a syringe having a needle associated therewith and the syringe having a lip on a proximal end thereof, the guard comprising:

• a body for receiving a syringe axially through an open proximal end of the body, and having an open distal end through which a needle of a syringe may extend, the proximal end of the body having a finger grip substantially enclosing a recess for receiving the proximal end of a syringe and lip thereof, the recess being provided with slots adapted to substantially permanently engage a lip on the proximal end of a syringe received in the recess;
• a shield slidably attached to the body, and having open proximal and distal ends, the shield being slidable between an unguarding and a guarding position, said shield being adapted to permit a needle on a syringe to extend through the open distal end when the shield is in the unguarding position and to cover the shield in the guarding position;
• and
• cooperating detents on the shield and body for holding the shield in the unguarding and guarding positions.