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Smiths Medical International Limited patents


Recent patent applications related to Smiths Medical International Limited. Smiths Medical International Limited is listed as an Agent/Assignee. Note: Smiths Medical International Limited may have other listings under different names/spellings. We're not affiliated with Smiths Medical International Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Smiths Medical International Limited-related inventors


Tracheostomy tube assemblies

A tracheostomy tube has a ball formation (31) of part-spherical shape at its machine end (13). The ball formation (31) is retained between two rings (33) and (34) projecting rearwardly from the tube neck flange (20) to enable movement between the tube shaft (10) and the flange in multiple planes.... Smiths Medical International Limited

Speaking valve assemblies and tracheostomy tube assemblies

A speaking valve assembly (2, 200) for fitting to the machine end (13) of a tracheostomy tube (1) has a one-way valve (23, 236) that allows inhalation but prevents exhalation. The assembly further includes a pressure relief arrangement that remains closed during normal respiration and vocalisation but opens when pressure... Smiths Medical International Limited

Valves and tubes including valves

A valve (20) for the sealing cuff (10) of a tracheal tube has a valve member (40) urged against a valve seal (36, 37) by an MRI-safe resilient member (42) of neoprene or nitrile. The valve includes a two-part actuator (70) by which the valve member is displaced. Before use,... Smiths Medical International Limited

Tube introducers and assemblies

An introducer for a tracheostomy tube is formed of several articulated sections (24) that can be changed from a relatively flexible state to a more rigid state by tightening a tension member extending along the introducer using an actuator at its machine end. In its flexible state the introducer can... Smiths Medical International Limited

Medico-surgical tube and flange assemblies

A tracheostomy tube (1) has a movable and lockable flange (2) by which the tube can be supported about the neck of a patient. The flange has a rotatable locking ring (34), which is threaded with a housing (26) fixed with the wings (22 and 23) of the flange. A... Smiths Medical International Limited

Respiratory therapy apparatus

An expiratory, vibratory therapy device (100, 200 300, 400) includes a compliance meter (104, 204, 304, 404) having a cylinder (110, 210, 310, 410) with a piston (111, 211, 411) movable along its length. The piston is urged by a spring (116, 226) to one end of the cylinder. The... Smiths Medical International Limited

Respiratory therapy apparatus

A respiratory therapy apparatus includes a rocker mechanism (101, 110, 111, 112) that provides an oscillating resistance to expiration. The apparatus also includes an air entrainment arrangement (200) at its air inlet (3) having a ring orifice (214) connected via a gas inlet (4) to a source (119) of oxygen... Smiths Medical International Limited

Tracheal tubes and seals

A tracheostomy tube has an inflatable sealing cuff (11) towards its patient end (6) and a fluid-permeable cuff (31) mounted on the shaft (1) above the inflatable cuff. The fluid-permeable cuff (31) contains hydrogel granules (32) that absorb moisture in the trachea (T) and help reduces the amount of secretions... Smiths Medical International Limited

Tracheal tubes and cuffs

A tracheal tube has a high-volume/low-pressure sealing cuff (10, 201, 310, 510, 610, 710, 810) with an outer surface provided with surface formations (211, 311, 511, 611, 711, 811) adapted to reduce the flow of secretions past the cuff. The formations could be in the form of an array of... Smiths Medical International Limited

Tracheostomy tube assemblies, inner cannulae and methods of making inner cannulae

An inner cannula (20) for a tracheostomy tube assembly includes a thin, inner sheath (22) supported externally by a structural frame (23) having a longitudinal portion (25) and a plurality of ribs (26) extending circumferentially and spaced along the cannula. The inner cannula (20) is inserted within and is removable... Smiths Medical International Limited

Respiratory therapy assemblies

An expiratory respiratory therapy assembly includes a therapy device (20) that provides an oscillating resistance to expiratory flow. A variable restrictor R is connected to the breathing inlet (7) of the therapy device. The restrictor R includes a manually-displaceable slider (117) that is movable to cover varying proportions of an... Smiths Medical International Limited

Respiratory therapy apparatus and methods

Respiratory therapy apparatus has a short conduit (10) with a mouthpiece (13) at one end and open to atmosphere at its opposite end (11). One end of a cylinder (22), (110, 203) opens into the conduit (10) and contains a piston (21, 111, 205) slidable along the cylinder. The piston... Smiths Medical International Limited

Echogenic needle assemblies and use thereof

A needle assembly has a needle having an echogenic feature proximate to its distal sharp tip mounted to an echogenic cannula, with the echogenic tip of the needle extending beyond the distal end of the cannula. The echogenic tip provides guidance for the movement of the needle assembly under ultrasound... Smiths Medical International Limited

Tracheostomy tube assemblies and inner cannulae

A tracheostomy tube assembly includes an outer tube (1) and an inner cannula (20, 120, 220 51, 61) inserted into and removable from the tube. The inner cannula has a constant internal diameter along its length and has at its patient end (22, 122, 222) a seal member (23, 123,... Smiths Medical International Limited

Cuffed tubes

A cuffed tracheostomy tube has a sealing cuff 10, 10′, 100, 100′ attached to a shaft 1, 1, 1″ of the tube towards its patient end by a rear end collar 30, 55, 103 bonded with the outside of the shaft. In one embodiment the patient end collar 31, 31′... Smiths Medical International Limited

Tracheostomy tube assemblies, inner cannulae and methods of manufacture

An inner cannula (20) for a tracheostomy tube is made by extruding tubing (41) and cutting into separate lengths or preforms (42). Each preform (42) is placed in a mould (50, 51, 52) and blow moulded to expand the preform into contact with an inner surface (53, 54) of the... Smiths Medical International Limited

Couplings, tracheostomy tubes and airway systems

A coupling (2) for a tracheostomy tube (1) has first component (21) with a short sleeve (23) at its patient end that it fitted on the patient end of the machine end coupling (17) on the tube so that the machine end of the coupling extends within a part-spherical formation... Smiths Medical International Limited

Respiratory therapy devices

An expiratory therapy device (100) has a disc (21) mounted at right angles in the expiratory gas passage (9). The disc (21) is rotated about an axis at right angles to the passage (9) by an electric motor (23) at a speed that is independent of the respiratory pressure exerted... Smiths Medical International Limited

Respiratory therapy systems, sensors arrangements and methods

A respiratory therapy system includes a vibratory expiratory therapy device through which the patient exhales to set up vibrations within the chest. An array of piezoelectric vibration sensors is mounted on the patient's chest and supplies vibration outputs to a processor, which in turn provides an output to a display... Smiths Medical International Limited








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