| Patent Number |
Title Of Patent |
Date Issued |
| D316450 |
Surgical drainage container |
April 23, 1991 |
|
| 6568945 |
Electrical connection and connectors |
May 27, 2003 |
| A connector backshell contains a wad of wire wool encapsulated in an elastomeric silicone. Screened cables extend through passages through the wad and have their braided screening sleeves exposed within the passages. The wire wool is exposed within the passages and on the outside of the |
| 6481436 |
Obturators and tube assemblies |
November 19, 2002 |
| An obturator for a tracheostomy tube has a strap extending along its length between a nose at its patient end and a machine end with clips that fasten to a coupling on the tube. The strap has one web extending along its entire length and a second web extending orthogonally on one side of |
| 6443012 |
Monitoring |
September 3, 2002 |
| An aircraft has several ultrasonic phased arrays acoustically bonded to parts of its structure to be monitored. The arrays are energized to produce an ultrasonic beam that scans the structure in two planes. A monitor receives the output from the arrays produced by reflection of energ |
| 6379332 |
Needle protector devices and assemblies |
April 30, 2002 |
| A needle protector assembly for protecting a needle tip after it has been withdrawn from a catheter has a protective housing into which the needle is slid. A device at the patient end of the housing has two locking arms sprung outwardly away from one another, which engage projections on |
| 6373185 |
Gas discharge lamps with glow mode electrodes |
April 16, 2002 |
| A flat panel lamp has internal walls forming a serpentine discharge path between two internal electrodes. Two glow mode electrodes in the form of interdigitated combs are laid on the outside of the front panel of the lamp, on top of the walls. The internal electrodes are connected to a |
| 6240922 |
Laryngeal mask assemblies |
June 5, 2001 |
| A laryngeal mask assembly has an elliptical mask portion at the patient end of a tube. The mask portion has a mount attached to the tube and a cuff extending around the periphery of the mount. The patient end of the tube opens into the center of the mount, which has three lateral ribs |
| 6162095 |
Electrical connection |
December 19, 2000 |
| A connector backshell assembly has a metal-plated plastic cylinder with castellations at its rear end through the screens of cables are threaded. A cap embraces the castellations and has internal projections that project into recesses between the castellations. A coupling nut extends aro |
| 6161815 |
Self-compensating proportional hydraulic valve |
December 19, 2000 |
| An hydraulic valve has a flow/pressure characteristic matched to that of a pump with which it is used. The valve has a housing with a fluid inlet in its side and an outlet at one end. A shuttle is movable along the housing under control of a proportional solenoid, to vary the amount by w |
| 6152136 |
Cuffed tube assemblies |
November 28, 2000 |
| An endotracheal tube has an inflatable cuff at its patient end enclosing a plate of generally triangular shape projecting forwardly of the patient end of the tube. When deflated, the cuff conforms to the external shape of the plate. |
| 6149632 |
Self-sealing septa |
November 21, 2000 |
| A self-sealing needle injection hub has two resilient, elastomeric sealing members mounted adjacent one another in a housing, both having pierced passages through which a needle can be inserted. The outer member is thick and relatively rigid; the inner member is thinner and flexible. Bot |
| 6121766 |
Current sensor assemblies |
September 19, 2000 |
| A current sensor assembly of planar form arranged for connection in series with an electrical circuit. The circuit includes a first and second conductor. The sensor assembly includes a first conductive member adapted to contact the second conductor in the circuit. A second conductive mem |
| 6116243 |
Laryngeal mask assemblies |
September 12, 2000 |
| The mask portion at the patient end of a laryngeal mask assembly is formed by a mount member having an outwardly projecting, oval plate and by two separate semi-annular cuffs bonded to opposite sides of the plate. An inflation lumen opens into one cuff, the plate having several holes |
| 6095829 |
Electrical connection and connectors |
August 1, 2000 |
| Connection is made to the braided screening sleeves of wires in a cable by means of a resilient plastics clip of omega section including a metal insert attached with a fine wire. The clip resiliently urges the surface of the metal insert into contact with the screen so that it can be |
| 6095828 |
Electrical connection and couplings |
August 1, 2000 |
| An electrical coupling has a ring through which extend multiple screened wires. The ring has several longitudinally-extending integral splines projecting from its outer surface from which project a curved, circumferentially-extending spring arm on each side. The wires extend through |
| 6095144 |
Laryngeal mask assemblies |
August 1, 2000 |
| A laryngeal mask assembly has a tubular shaft with a mask portion formed by a resilient skirt towards its patient end, which seals with tissue in the region of the hypopharynx. An inflatable cuff, with several annular reinforcing members, projects axially at the patient end of the assemb |
| 6092423 |
Tunnel pick-off vibrating rate sensor |
July 25, 2000 |
| A rate sensor has a tine cut from a silicon substrate and resiliently mounted by two integral flexure beams. An electrostatic actuator drives the tine to vibrate in its plane. The tine supports two tunnel pick-offs in the form of spikes projecting from the tine, the tips of the spikes |
| 6086546 |
Gynecological samplers |
July 11, 2000 |
| An endometrial sampler has an outer catheter and an inner plunger slidable within the catheter. The catheter has a coaxial opening at its tip and two side openings located diametrically opposite one another close to the tip, the side openings being elongate along the axis of the catheter |
| 6084337 |
Electrode structures with electrically insulative compressable annular support member |
July 4, 2000 |
| A gas discharge lamp has a tubular envelope containing tubular electrodes at opposite ends. An annular support member of a compressible ceramic fiber is supported in a groove around each electrode and is compressed against the inside surface of the envelope. Movement of the electrodes |
| 6066120 |
Flushable soluble medico-surgical bags |
May 23, 2000 |
| A wc-disposable ostomy bag has walls made of three layers. The central layer is of an alkali-soluble/water-resistant material such as carboxylated acrylic polymer and is about 100.mu. thick. The inner layer, presented to the contents of the bag, is of a water-resistant, ordor-proof m |
| 6056597 |
Electrical assembly with spring clips connecting to cable screens |
May 2, 2000 |
| An electrical connector has a row of metal spring clips mounted on the lower half of its outer shell to the rear of the contact block. Screened cables enter the rear of the connector, each screening sheath being doubled over and trapped between an inner stiffening tube and an outer m |
| 6052270 |
Ignition system |
April 18, 2000 |
| An ignition system has a first capacitor connected by a switch to the primary windings of a transformer. The secondary windings of the transformer are connected via a rectifier circuit to a second capacitor. An igniter is connected to the second capacitor by a cable that also has its |
| 6052268 |
Electrical apparatus |
April 18, 2000 |
| A semiconductor switch die (30) is mounted on one face of a substrate (31) and has a temperature sensor (10) on the opposite face to monitor the temperature in the vicinity of the semiconductor die. A current sensor (4) and voltage sensor (5) supply signals to a processor (15) to calcula |
| 6052002 |
Ignition systems having a series connection of a switch/inductor and a capacitor |
April 18, 2000 |
| An ignition system has several charging circuits connected to a common input circuit and controlled by a common triggering unit to fire respective igniters. The input circuit has a voltage source connected across a first capacitor, which provides the output terminals of the source. E |
| 6050264 |
Laryngeal mask assemblies |
April 18, 2000 |
| A laryngeal mask assembly has a laryngeal mask device with a tube opening into a mask. The assembly includes an obturator inserted along the tube during insertion, with the patient end of the obturator lying adjacent the patient end of the tube so as to prevent the epiglottis entering th |
| 6042424 |
Multi-contact connector for screened cables |
March 28, 2000 |
| An electrical connector for several screened cables has a transverse metal ground plate formed with rectangular apertures, one for each cable. The conductors in each cable are secured at their ends in contacts and these are supported in rectangular insulating beads. The screen of each ca |
| 6021779 |
Laryngeal mask airways and their manufacture |
February 8, 2000 |
| A laryngeal mask has a mount at its patient end of elliptical shape supporting an inflatable cuff. The cuff is a hollow extruded tube with an integral attachment flange and has opposite ends receiving two spigots on the mount. The attachment flange is attached to the mount by means of a |
| 6019753 |
Catheter assemblies and inner cannulae |
February 1, 2000 |
| A tracheostomy tube assembly has an outer catheter and an inner cannula that is insertable into and removable from the outer catheter. The inner cannula has two elongate regions along its length of different flexibility. The main body of the cannula may be relatively stiff and a narr |
| 6017374 |
Gas treatment devices |
January 25, 2000 |
| A combined filter and HME has a rectangular housing with an inlet port and an outlet port. A pleated filter element is located in the housing towards the outlet port and an HME element is located towards the inlet port. An oval deflector between the HME element and the inlet port is orie |
| 6012452 |
Laryngeal mask assemblies |
January 11, 2000 |
| A laryngeal mask airway has a foam cuff formed on the patient surface of a plate attached at the patient end of a tube. The cuff is of a self-skinning foam so that the skin of the foam forms the outer surface of the cuff and seals with the plate. An air lumen extruded along the tube |
| 6003514 |
Laryngeal mask assemblies |
December 21, 1999 |
| A laryngeal mask airway has a tube with a mask portion at its patient end, the tube opening into the center of the mask portion. The mask portion is formed by a mount attached to the tube and by a bag-shape cuff attached to the mount. The mount is formed with two laterally-projecting fla |
| 5997474 |
Vaginal specula |
December 7, 1999 |
| A vaginal speculum has two hinged arms forming jaws at one end, and handles at the opposite end. A locking bar of a soft plastics material is pivotally mounted at one end on one of the handles, its other end projecting through an aperture in the other handle. The aperture has two por |
| 5997348 |
Electrical assembly with grounding strip connecting cable screens |
December 7, 1999 |
| An electrical connector has an outer metal shell containing a mounting block with columns and rows of mounting apertures. Some of the columns of apertures support electrical sockets; others support a grounding strip. The grounding strip makes connection at either end with the outer shell |
| 5996582 |
Tracheal assemblies |
December 7, 1999 |
| A tracheal assembly comprises an endotracheal tube and a tracheal shield. The tracheal shield has a stiff rod extending along the endotracheal tube, and a stop at the machine end of the shield which limits the extent of insertion of the shield into the tube. At its patient end, the shiel |
| 5992294 |
Hydraulic valves and systems |
November 30, 1999 |
| An hydraulic valve has two outlets and is switchable so that fluid can only be supplied to one outlet at a time. A spool with two seals is slidable in a housing under the action of two proportional solenoids and is urged to a central position by two springs where the seals block passage |
| 5983897 |
Laryngeal mask assemblies |
November 16, 1999 |
| A laryngeal mask assembly has a mask portion formed by a mount with a plate to which inflatable cuffs are attached on both sides. The plate projects beyond the cuffs to form a non-inflatable leading tip to aid insertion of the assembly into the patient. |
| 5979445 |
Laryngeal mask airways and their manufacture |
November 9, 1999 |
| A laryngeal mask assembly has a mask portion of elliptical shape formed by a mount and an inflatable member attached to the mount. The inflatable member is formed by heat bonding together opposite walls of a flat balloon and at the same time cutting an aperture through the walls, so as t |
| 5971787 |
Connector assemblies |
October 26, 1999 |
| A connector has a coupling nut rotatable on a body and lockable by means of a locking ring mounted on the nut. When slid axially to its locking position, the locking ring engages splines on both the nut and the body to prevent relative rotation. A circular spring carried in a groove on t |
| 5952772 |
Diamond electron emitter |
September 14, 1999 |
| An electron emitter (2) has a semiconductor substrate (20) doped with an n-type region (21). A diamond layer (24) is doped by ion implantation with a p-type dopant to form a graded dopant profile region (27) that increases away from the upper surface of the diamond layer (24) and a thin |
| 5941853 |
Needle assemblies |
August 24, 1999 |
| A spinal-epidural needle assembly has a rearwardly-extending sleeve on the epidural needle that is rotatable to a limited extent on its hub and that has a series of circumferentially-extending ribs on its outer surface. The spinal needle has a collar extending forwardly from its hub and |
| 5941175 |
Patient support table |
August 24, 1999 |
| A surgical operating table has leg sections, which are displaceable about a vertical axis and a horizontal axis. Each leg section is locked in position by two gas struts, which lock respectively about the vertical and horizontal axes. Vent buttons on the gas struts are connected via push |
| 5935109 |
Catheter and needle assemblies |
August 10, 1999 |
| A catheter assembly has a needle extending within a catheter and projecting from its patient end. A slider attached with the needle is slidable rearwardly along a protective housing so that the needle can be pulled out of the catheter into the housing. A resilient catch at the patient en |
| 5928198 |
Medical tube assemblies |
July 27, 1999 |
| A tracheostomy assembly comprises a tracheostomy tube having an obturator inserted therein, the obturator including two resilient catches at its machine end extending along the outside of a coupling on the machine end of the tracheostomy tube and engaging lips on the coupling. This preve |
| 5927757 |
Hose assemblies |
July 27, 1999 |
| A vacuum cleaner hose assembly has a corrugated, flexible hose with fittings at opposite ends for connection to the vacuum cleaner suction inlet and to a cleaning head. A tube or cable extends along the assembly for supply of cleaning fluid or electrical power to the cleaning head. The |
| 5919183 |
Introducers and assemblies |
July 6, 1999 |
| An introducer, such as for an endotracheal tube, comprises a solid rod made of an aliphatic polyurethane containing about 20% barium sulphate. The hardness of the material is about 60 Shore D so that the introducer is resilient within a range of deformation and beyond this range it is |
| 5915383 |
Cuffed medico-surgical tubes |
June 29, 1999 |
| The cuff on the patient end of a tracheal tube is attached at one end to the inside of the tube and at the opposite end to the outside of the tube. The cuff encloses an axial sleeve that is slidably mounted within the patient end of the tube and is urged forwardly by a resilient collar. |
| 5906036 |
Reinforced tubes |
May 25, 1999 |
| Reinforced, cuffed tubes are made by winding a plastic reinforcing filament around the outside of tubing and then applying a flexible layer on top of the tubing to just cover the filament and form a smooth outer surface. The filament is then removed from regions of the tubing using a pic |
| 5888101 |
Electrical connectors |
March 30, 1999 |
| An electrical connector has two parts each with a rectangular shell surrounding contact elements. The outside of one shell and the inside of the other are enlarged in the corners and so that the two shells can only be mated when presented square-on, thereby reducing the risk that the |
| 5881726 |
Laryngeal mask airways and their manufacture |
March 16, 1999 |
| The mask at the end of a laryngeal mask assembly is made from a flexible cylindrical member having radially projecting ledges at each end. The ends of the cylindrical member are folded axially within the member to form an annulus with an inner rib formed by the contacting ledges. One sid |
| 5880559 |
Electrodes and lamps |
March 9, 1999 |
| A cold cathode electrode for a discharge lamp has a metal substrate supporting a layer of diamond, so as to increase the electron yield of the electrode. The substrate may be a helical nickel wire with a layer of diamond forming it into a continuous tube. |
