Abstract: A safety device including a protective needle shield which is movable between a retracted position wherein a needle is exposed and an extended position wherein the needle is protected. The needle shield including an inwardly directed and longitudinally oriented key member thereon and an elongate barrel member includes a collar member operatively associated therewith such that the key member is movably received in a keyway on the collar member as the needle shield is moved between the retracted and extended positions. The collar member also includes a locking slot thereon to receive a portion of the key member as the needle shield is rotated about the barrel member in the extended position of the needle shield.

Abstract: A safety syringe having a protective barrel which is movable between a retracted position wherein the needle is exposed and a locked extended position wherein the needle is protected. A collar is attached to the distal end of the sleeve to selectively engage a key on the shield in the retracted and extended positions. The locking mechanism preferably includes a series of ramps and slots which engage portions of the shield to retain the shield in the retracted and extended positions. The shield slides longitudinally between the retracted and extended positions and may be rotated about the barrel of the syringe to irreversibly lock the shield in the extended position.

Abstract: A safety syringe of the type having a needle shield that is slidable between a needle exposing retracted position and a needle protecting extended position and wherein the needle shield is rotatable in the extended position to a locked and extended position. The safety syringe includes a collar mounted on the distal end of the syringe and a plurality of elongate keys on the interior surface of the needle shield. The keys are slidably received in various protrusions and slots on the collar to releasably retain the needle shield in the retracted and extended positions and to retain the needle shield in the locked and extended position. A needle sheath is also removably mounted on the distal end of the needle shield to cover the needle of the syringe when the needle shield is in the initial retracted position.

Abstract: A safety syringe including a needle shield which is movable between a retracted position wherein the needle is exposed and an extended position wherein the distal needle point is protected. The needle shield is also rotatable in either direction from the releasable extended position to a locked and extended position. A collar having a plurality of protrusions and locking slots thereon is mounted on the distal end of the syringe to interact with a plurality of elongate keys which extend inwardly from the interior surface of the needle shield.

Abstract: A disposable sharps container having an insert mounted in the secondary opening located on the top cover of the sharps container to allow for the repeated removal of needles from medical devices such that the needle hub of the needle is insertable into a secondary opening in the sharps container to allow the needle to be removed from the medical device and the medical device may be subsequently inserted into the sharps container through a primary opening which is surrounded by a plurality of flexible flaps.

Abstract: A single use syringe assembly is provided and includes an elongate and generally cylindrical syringe barrel having a preferably annularly shaped ring member near the substantially closed distal end thereof. A plunger assembly is provided and includes an elongate plunger rod having a plunger tip and a locking disc on the distal end thereof and a compressible piston member mounted on the plunger tip of the plunger rod. The piston member includes a proximal recess therein to receive the plunger tip of the plunger rod therein. When the plunger assembly is moved distally and proximally in the syringe barrel during normal use, the piston member may be moved between the distal and proximal ends of the syringe barrel without disabling the syringe assembly. When the user desires to disable the syringe assembly, the plunger assembly is initially moved distally in the syringe barrel until the piston member contacts the distal end of the syringe barrel to expel the contents of the syringe assembly.

Abstract: A safety dental syringe of the type adapted to receive a medication cartridge therein but having a protective needle shield thereon which is movable between a retracted position wherein the needle is exposed and a locked and extended position wherein the needle is protected and the needle shield is prevented from returning to the retracted position. A collar is attached to the distal end of the dental syringe to selectively engage a key on the needle shield as the needle shield is moved between the retracted and extended positions. The needle shield slides longitudinally between the retracted and extended positions and may be rotated about the barrel of the dental syringe to lock the needle shield in the locked and extended position. A locking mechanism is disclosed which preferably includes a series of ramps and slots adapted to engage portions of the keys on the needle shield to retain the needle shield in the locked and extended position.

Abstract: A safety syringe including a needle shield which is movable between a retracted position wherein protected. The needle shield is also rotatable in either direction from the releasable extended position to a locked and extended position. A collar having a plurality of protrusions and locking slots thereon is mounted on the distal end of the syringe to interact with a plurality of elongate keys which extend inwardly from the interior surface of the needle shield.

Abstract: An improved safety syringe is disclosed herein comprising a locating ring positioned on the distal end of a syringe barrel and a pair of first and second sleeves which interact with a projecting tab on the locating ring to movably retain the first sleeve in retracted and extended positions and wherein in the extended position one of the sleeves enclose the syringe needle in an irreversible locked arrangement.

Abstract: A connection component suitable for use with an enteral fluid delivery set wherein the connection component consists of a threaded cap having a projecting spike thereon to penetrate and deform a foil diaphragm on the fluid container and further including an air passageway having a flexible member therein to allow filtered air to flow into the fluid container while preventing the flow of fluid from the fluid container through the air passageway.

Abstract: A safety syringe including a conventional syringe, a locating ring and an elongate and tubular sleeve wherein the locating ring includes an outwardly extending projecting tab thereon which extends outwardly from the distal end of the syringe to engage an elongate slot having closed distal and proximal ends on the elongate sleeve to allow the sleeve to be movable between a retracted position wherein a needle on the syringe is exposed and a pair of extended positions wherein the needle is enclosed by the sleeve. The sleeve is releasably retained in one of the extended positions and irreversibly retained in the other extended position upon rotational movement of the projecting tab into one or the other of a pair of perpendicular slots on the sleeve.

Abstract: A fluid collection, storage and infusion apparatus particularly adapted for collecting, storing and infusing or reinfusing a substance such as blood taken from a patient including a flexible bag-like device having an opposed inlet and outlet, a fluid storage compartment communicating with the inlet and outlet for the collected fluid and a compartment into which a source of fluid such as a gas under pressure can be introduced to exert pressure on the collected fluid to force the fluid out of the fluid storage compartment through the outlet.

Abstract: A retractable needle syringe is disclosed which includes an elastomeric anchor connected at the distal end of a syringe barrel with a needle connector releasably connected in the anchor and adapted to carry a needle cannula. A plunger with a piston is provided with a coupling member movable into coupling engagement with a coupling member on the needle connector to connect the needle connector with the plunger. A seal on the piston prevents fluid from flowing out of the cannula when coupling engagement between the piston rod and the needle connector is effected. The coupling member on the plunger moves a portion of the anchor away from the needle connector to reduce the force necessary to remove the needle connector from the anchor. The plunger is moveable proximally in the barrel to move the needle connector and a needle connected thereto into the barrel. The plunger rod has a weakened portion to permit manual breakage of the rod.

Abstract: An intercavity catheter having a distal end portion with serrations on the inner wall thereof.

Abstract: An autotransfusion device for use with a chest drainage unit is disclosed which includes a collapsible blood collection bag assembly having slotted stiffener members and a holder for holding the stiffener members bowed outwardly and the bag expanded for collecting blood. The bag assembly is removable from the holder for infusing the collected blood into the patient. An inlet and a gas outlet are at the top of the bag, and a filter is arranged to filter blood from the inlet to a blood collection portion of the bag, but air from the inlet can flow to the gas outlet without flowing through the filter.

Abstract: A vena caval catheter is provided with a distal cage-like catheter tip having a cone connected to the inner side of the distal end of the tip within the cage and with the apex proximally of the distal end of the tip and coincident with the longitudinal axis of the catheter tip. The tip has a distal end and struts having smoothly contoured surfaces.

Abstract: A tube clamping device is provided which includes a pair of arms with tube clamping means thereon which are movable from an open position to a latched, closed clamping position in which the clamping means effects occlusion of a tube passing through the clamp. Each arm has a slot extending into the sidewall of the arm so that the tube can be laterally inserted and removed from the clamping device. A protective flexible sleeve provided with a slit for easy insertion onto the tube can be used to receive the clamping forces of the clamp to protect the tube.

Abstract: A tube clamping device is provided which includes a pair of arms with tube clamping means thereon which are movable from an open position to a latched, closed clamping position in which the clamping means effects occlusion of a tube passing through the clamp. Each arm has a slot extending into the sidewall of the arm so that the tube can be laterally inserted and removed from the clamping device. A protective flexible sleeve provided with a slit for easy insertion onto the tube can be used to receive the clamping forces of the clamp to protect the tube.

Abstract: A patient breathing apparatus is disclosed which includes a liquid drain connected to receive liquid condensation. The drain includes a barrier which is water permeable and gas impermeable when wet. The barrier may be provided with a water soluble layer that is gas impermeable when dry.