Biomedical Sensors, Ltd.

Diametrics Medical Limited

Barry C Crane

David R Markle

Michael P Irvine

Stuart P Hendry

William Paterson

A cranial bolt for connecting one or more elongate, flexible members such as catheters with the interior of the skull, wherein the bolt includes a hollow shank having one threaded end and a second end opposite the threaded end for receiving one or more elongate members. Each member is retained in the second end and communicates with a passageway in the shank extending to the threaded end.

Cranial bolt

A vacuum rig apparatus for introducing a liquid into a space defined by a shaped article, which apparatus comprises a series of interconnected vessels attached through a port to a vacuum line, wherein one of the vessels is adapted to hold the shaped article and the apparatus is tiltable about a point midway along the vessel so that liquid from a reservoir flows into the vessel to surround the shaped article and fill the space therein when a vacuum is applied to the apparatus.

Vacuum rig apparatus

A multi-parameter catheter comprising sensors enveloped in a sheath made from a biphasic material comprising a layer of microporous hydrophobic substance having micropores which are filled with a hydrophilic substance which when hydrated forms a gel and allows the passage of water-bound ions, and an apparatus for introducing the catheter into a patient's blood vessel.

Multi-parameter sensor apparatus

An optical waveguide sensor for determining an analyte in a medium, which sensor comprises an optical waveguide having a portion to be brought into contact with said medium, said portion having a plurality of cells arranged in an array which substantially covers the cross-sectional area of the waveguide, each of said cells containing an indicator sensitive to said analyte, and a method for the preparation of said sensor.

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Aston Clinton, United Kingdom

Barry C Crane