Device and method for medical treatment

US6302904A · kind A · utility

Assignee

• Wallsten Medical S.A.

Inventors

• Hans I. Wallsten · Denens, CH
• Michel Bachmann · Romanel, CH
• Pär H. Henriksson · Lund, SE

Key dates

• Filing date: Dec 15, 1999
• Grant date: Oct 16, 2001
• Expiry date: Dec 15, 2019

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2090/062
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A device for carrying out hyperthermia in a mammalin uterus cavity, including an elongate, rigid distal section (3) and a flexible and elastic bladder (9) encompassing said distal section which, together with said bladder, is intended for insertion into said uterus cavity, further including means (27) for the supply of a heat-transmitting medium under pressure for the expansion of said bladder (9) within said uterus cavity, and heating means (29) for heating said medium, the device further having an intermediate section (5) whose distal part when inserted is positioned in a cervix canal belonging to said uterus, and a proximal section (7) for operating the device, said distal and intermediate sections (3,5) containing at least a central tube (17), whose distal part is surrounded by said bladder and is provided with at least one outlet (19) for said medium within said bladder, and whose intermediate part is surrounded by an axially displacable tube (21;35), onto whose distal end (23;51) the proximal end (25) of said bladder (9) is attached, characterized by means (15;45) for determining the axial position of the distal end (23;51) of said axially displacable tube and thereby also th…