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574results about How to "Control damage" patented technology

Cooled tip laser catheter for sensing and ablation of cardiac arrhythmias

InactiveUS20030023236A1Minimize any post-operative discomfortImprove convenienceSurgical instrument detailsCatheterCardiac muscleLaser light
The disclosures made herein relate to methods and equipment adapted for treatment of cardiac arrhythmias and for limiting, if not preventing, damage to surface tissue while coagulating tissue within the myocardium. In one embodiment of the disclosures made herein, a cooled tip laser catheter system includes an energy delivery apparatus, a laser apparatus and a cooling medium supply apparatus. The energy delivery apparatus includes a flexible tubular housing, a tip assembly and an optical waveguide. The flexible tubular housing includes a plurality of lumens therein extending between a proximal end and a distal end of the flexible tubular housing. The tip assembly includes a tip body attached at a first end thereof to the distal end of the flexible tubular housing and an optical window mounted at a second end of the tip body. The circulation chamber is defined within the tip body between the distal end of the flexible tubular housing and the optical window. The optical waveguide is mounted within a first of said lumens, wherein a distal end of the optical waveguide is exposed within the circulation chamber. The laser apparatus is attached to the energy delivery apparatus in a manner enabling laser light to be supplied to and transmitted by the optical waveguide. The cooling medium supply apparatus is attached to the energy delivery apparatus in a manner enabling cooling medium to be circulated through the circulation chamber.
Owner:BIOTEX

Kit including side firing syringe needle for preparing a drug in an injection pen cartridge

A kit and needle assembly for reconstituting a quantity of a lyophilized pharmaceutical. The kit of the invention may include a reconstituting appliance having a non-transparent needle covering portion with a hollow adapted to receive the inserted stoppered end of the injection pen cartridge, which needle covering portion extends around a side-firing cannula to hide the cannula from side view. A shiftable alignment member retained within the needle covering portion at a first axial position, and shiftable to a second axial position when abutted by the injection pen cartridge during its insertion, may be included. The kit includes an injection pen cartridge including a barrel filled with a quantity of a lyophilized drug, a slidable plunger used during pen operation to eject the reconstituted drug, and a stopper penetrable by the cannula during drug reconstituting. The needle assembly of the invention may include a cannula defining an axial passage therethrough in communication with a reservoir of diluent fluid. The distal end of the cannula terminates in a closed piercing tip, and is provided with a side port, in communication with the axial passage, which is configured to direct fluid passing through it in a direction diverging from the axis of the cannula. A collar fixedly mounted around a portion of the cannula defines an axial venting passageway therebetween, and the collar has a piercing distal end. A method for reconstituting a quantity of a lyophilized drug in an injection pen cartridge is also disclosed.
Owner:ELI LILLY & CO
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