Patents Represented by Attorney, Agent or Law Firm Richard D. Allison
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Patent number: 5169392Abstract: 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.Type: GrantFiled: December 11, 1991Date of Patent: December 8, 1992Assignee: Sherwood Medical CompanyInventors: Alan B. Ranford, Daniel A. Talonn
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Patent number: 5165540Abstract: The present invention relates to an angiographic catheter package consisting of a sterilizable envelope pouch, an elongate tray and a catheter tip restraint which releasably retains the catheter tip therein in the desired performed shape. The tip restraint securely holds the catheter tip in the desired shape during sterilization and storage of the catheter and yet readily releases the catheter tip from the tip restraint when the user desires to remove the catheter from the sterile package.Type: GrantFiled: January 10, 1990Date of Patent: November 24, 1992Assignee: Sherwood Medical CompanyInventor: LeRoy S. Forney
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Patent number: 5163916Abstract: A medical device particularly adapted for use with a syringe including a nonlinear needle or a nonlinear protective shield wherein the protective shield is movable between a needle exposing retracted position and a needle protecting extended and locked position.Type: GrantFiled: February 11, 1991Date of Patent: November 17, 1992Assignee: Sherwood Medical CompanyInventor: Richard A. Sunderland
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Patent number: 5160326Abstract: 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.Type: GrantFiled: June 19, 1991Date of Patent: November 3, 1992Assignee: Sherwood Medical CompanyInventors: Daniel A. Talonn, Alan B. Ranford
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Patent number: 5158528Abstract: A charger unit assembly is disclosed which is particularly adapted to receive a peristaltic pump thereon for charging the batteries of the peristaltic pump and to provide power to the peristaltic pump. A clamp member is mounted on the rear surface of the charger unit to mount the peristaltic pump and charger unit on a support pole. The peristaltic pump includes a rotor member mounted on one side thereof and a swing arm rotatably mounted along the side of the peristaltic pump such that the swing arm is movable between a fluid delivery set loading open position and a closed position which automatically aligns and stretches a portion of the fluid delivery set around the rotor member to ensure that the fluid delivery set is properly aligned about the rotor member of the peristaltic pump.Type: GrantFiled: March 27, 1991Date of Patent: October 27, 1992Assignee: Sherwood Medical CompanyInventors: Clarence L. Walker, Richard A. Sunderland, Mark A. Davis
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Patent number: 5156599Abstract: 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.Type: GrantFiled: June 9, 1989Date of Patent: October 20, 1992Assignee: Sherwood Medical CompanyInventors: Alan B. Ranford, Daniel A. Talonn
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Patent number: 5147312Abstract: A rotary type of peristaltic pump having the rotor member mounted on one side thereof and including a swing arm rotatably mounted along the side of the peristaltic pump such that the swing arm is movable between a fluid delivery set loading open position and a closed position which automatically aligns and stretches a portion of the fluid delivery set around the rotor member to ensure that the fluid delivery set is properly aligned about the rotor member of the peristaltic pump. A charger unit assembly is disclosed which is particularly adapted to receive the peristaltic pump thereon for charging the batteries of the peristaltic pump; to provide power to the peristaltic pump and for mounting the peristaltic pump on a support pole. The peristaltic pump also includes drip chamber yoke assembly consisting of a pair of outwardly extending members which receive the drip chamber of the fluid delivery set therein.Type: GrantFiled: June 25, 1991Date of Patent: September 15, 1992Assignee: Sherwood Medical CompanyInventors: Clarence L. Walker, Richard A. Sunderland, Mark A. Davis
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Patent number: 5147326Abstract: 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.Type: GrantFiled: March 1, 1991Date of Patent: September 15, 1992Assignee: Sherwood Medical CompanyInventors: Daniel A. Talonn, Alan B. Ranford
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Patent number: 5133650Abstract: A rotary type of peristaltic pump having a rotor member mounted on one side thereof and including a swing arm rotatably mounted along the side of the peristaltic pump such that the swing arm is movable between a fluid delivery set loading open position and a closed position which automatically aligns and stretches a portion of the fluid delivery set around the rotor member to ensure that the fluid delivery set is properly aligned about the rotor member of the peristaltic pump. A rotor shield is designed to be substantially spaced apart from the outer surface of the rotor member to protect the rotor from accidental contact with external objects and to facilitate the loading of the fluid delivery set onto the peristaltic pump.Type: GrantFiled: March 1, 1991Date of Patent: July 28, 1992Assignee: Sherwood Medical CompanyInventors: Richard A. Sunderland, Clarence L. Walker, Mark A. Davis
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Patent number: 5127910Abstract: 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.Type: GrantFiled: March 27, 1991Date of Patent: July 7, 1992Assignee: Sherwood Medical CompanyInventors: Daniel A. Talonn, Alan B. Ranford
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Patent number: 5127522Abstract: 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.Type: GrantFiled: August 2, 1990Date of Patent: July 7, 1992Assignee: Sherwood Medical CompanyInventor: Alan B. Ranford
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Patent number: 5127908Abstract: A rotary type of peristaltic pump having the rotor member mounted on one side thereof and including a swing arm rotatably mounted along the side of the peristaltic pump such that the swing arm is movable between a fluid delivery set loading open position and a closed position which automatically aligns and stretches a portion of the fluid delivery set around the rotor member to ensure that the fluid delivery set is properly aligned about the rotor member of the peristaltic pump. A charger unit assembly is disclosed which is particularly adapted to receive the peristaltic pump thereon for charging the batteries of the peristaltic pump; to provide power to the peristaltic pump and for mounting the peristaltic pump on a support pole.Type: GrantFiled: June 21, 1991Date of Patent: July 7, 1992Assignee: Sherwood Medical CompanyInventors: Clarence L. Walker, Richard A. Sunderland, Mark A. Davis
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Patent number: 5108421Abstract: A device and method of closing an incision or puncture in a patient by inserting a vessel plug into the incision or puncture until the distal end of the vessel plug is adjacent to the outer lumen of the blood vessel or target organ so that the vessel plug does not obstruct the flow of fluid through the blood vessel or target organ. The precise positioning of the vessel plug in the incision or puncture is accomplished through the use of a balloon catheter or a cylindrical insertion assembly having a proximal plunger member associated therewith.Type: GrantFiled: October 1, 1990Date of Patent: April 28, 1992Assignee: Quinton Instrument CompanyInventor: Bradford C. Fowler
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Patent number: 5106372Abstract: 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.Type: GrantFiled: May 3, 1991Date of Patent: April 21, 1992Assignee: Sherwood Medical CompanyInventor: Alan B. Ranford
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Patent number: 5088988Abstract: 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.Type: GrantFiled: January 29, 1990Date of Patent: February 18, 1992Assignee: Sherwood Medical CompanyInventors: Daniel A. Talonn, Alan B. Ranford
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Patent number: 5086783Abstract: A blood sampling kit and the method of using the blood sampling kit are disclosed wherein an arterial blood gas syringe having a venting means associated therewith is used in combination with a blood collection tube holder having a double ended needle mounted therein and a stopper assembly consisting generally of a cylindrical member with a central opening and a flexible diaphragm member extending across the opening such that the stopper assembly and syringe assembly are inserted into the blood collection tube holder to obtain a blood sample from a patient in the syringe assembly and, once the blood sample is obtained, the syringe assembly and stopper assembly are removed from the blood collection tube holder and the stopper assembly protects the blood sample from exposure to the atmosphere.Type: GrantFiled: October 31, 1990Date of Patent: February 11, 1992Assignee: Sherwood Medical CompanyInventors: Paul P. M. G. J. Macors, Henricus F. Paulussen, Jellard Vos
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Patent number: 5057081Abstract: A rotary type of peristaltic pump having the rotor member mounted on one side thereof and including a swing arm rotatably mounted along the side of the peristaltic pump such that the swing arm is movable between a fluid delivery set loading open position and a closed position which automatically aligns and stretches a portion of the fluid delivery set around the rotor member to ensure that the fluid delivery set is properly aligned about the rotor member of the peristaltic pump. A charger unit assembly is disclosed which is particularly adapted to receive the peristaltic pump thereon for charging the batteries of the peristaltic pump; to provide power to the peristaltic pump and for mounting the peristaltic pump on a support pole.Type: GrantFiled: June 15, 1990Date of Patent: October 15, 1991Assignee: Sherwood Medical CompanyInventors: Richard A. Sunderland, Clarence L. Walker, Mark A. Davis
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Patent number: 5053018Abstract: 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.Type: GrantFiled: June 28, 1988Date of Patent: October 1, 1991Assignee: Sherwood Medical CompanyInventors: Daniel A. Talonn, Alan B. Ranford
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Patent number: 5041105Abstract: A connection component suitable for use with an enteral fluid delivery set is arranged in the form of a replacement for the cap of a pre-filled, foil sealed fluid container. The connection component includes a fluid outlet passage which is arranged in the form of a projecting spike which penetrates and opens the foil seal as the connection component is attached to the pre-filled container.Type: GrantFiled: October 29, 1990Date of Patent: August 20, 1991Assignee: Sherwood Medical CompanyInventors: Herbert F. D'Alo, Christine D. Enger
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Patent number: D319880Type: GrantFiled: November 8, 1988Date of Patent: September 10, 1991Assignee: Sherwood Medical CompanyInventor: Laszlo Tapolcai