# US 11,110,021 B2 · Medical pressure therapy device and components thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,110,021 B2 - Document ID: US11110021B2 - Status: Granted - Kind: B2 - Application number: 16/148,538 - Filed: 2018-10-01 - Published: 2019-04-04 - Granted: 2021-09-07 - Earliest claimed: 2017-09-29 - Assignees: Otivio AS - Applicants: Otivio AS - Inventors: Juho Laasanen; Sanna Tuononen; Petri Rantanen; Joachim Rasmussen; Andreas Erlandsen; Jakob Pettersen; Marius Andresen; Iacob Mathiesen; Arnar Kristjansson; Jonas Elderstiern; Hannes Ulvegard; Ronny Brakhya; Robert Axelsson - Web page: https://patentgrep.com/patent/US11110021B2 ## CPC - A61G 10/02: with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms (dust-free laboratory rooms B01L1/04; decompression arrangements B63C11/32; arrangements or adaptations in aircraft B64D13/00; air-conditioning in general F24F) - A61H 9/0057: {Suction (suction kneading A61H7/008)} - A61H 23/00: Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms {(apparatus for passive exercising A61H1/00; generating or transmitting mechanical vibrations in general B06B)} - A61H 2201/0103: inflatable - A61H 2201/0207: heated - A61H 2201/0214: cooled - A61H 2201/10: with further special therapeutic means, e.g. electrotherapy, magneto therapy or radiation therapy, chromo therapy, infrared or ultraviolet therapy - A61H 2201/1238: with hydraulic or pneumatic drive - A61H 2201/1642: Holding means therefor - A61G: TRANSPORT, PERSONAL CONVEYANCES OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H3/00); OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES (embalming corpses A01N1/00) - A61H: PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy or ultrasound therapy A61N) ## Abstract A pressure therapy device includes a pressure chamber, an inflatable padding, a seal, and a positioning mechanism. The pressure chamber has an opening arranged for admitting the inflatable padding and a limb of a user. The inflatable padding is inflatable to enclose and fix the limb in position. The seal covers the opening, including the inflatable padding and the limb to seal the pressure chamber from ambient atmospheric pressure. A pump unit is provided to generate a non-atmospheric pressure within the pressure chamber and includes a first valve system and a piston with safety release features for preventing unsafe pressure levels. ## Claims ### Claim 1 A pressure therapy device, comprising: a pressure chamber having first and second ends, the first end defining an opening; an inflatable padding positioned in the opening, the inflatable padding comprising at least two air chambers formed from a continuous material; and a seal secured to the first end of the pressure chamber for sealing against a limb of a user in the opening; wherein the inflatable padding is configured to be inflatable to narrow the opening and secure about the limb of a user. ### Claim 2 (depends on 1) The pressure therapy device of claim 1, wherein an exterior surface of the pressure chamber is provided with a first locking element for securing to an adjustment piece. ### Claim 3 (depends on 1) The pressure therapy device of claim 1, wherein the second end of the pressure chamber comprises a support surface having a flat portion and an angled portion. ### Claim 4 (depends on 3) The pressure therapy device of claim 3, wherein an interior of the support surface comprises a positioning mechanism for receiving a foot of the limb, the positioning mechanism extending from the second end of the pressure chamber opposite the opening. ### Claim 5 (depends on 4) The pressure therapy device of claim 4, wherein the positioning mechanism comprises a narrow arch shape corresponding to the arch of the foot. ### Claim 6 (depends on 1) The pressure therapy device of claim 1, wherein the first end of the pressure chamber is provided with at least one locking element for securing to the inflatable padding on an exterior surface of the pressure chamber. ### Claim 7 (depends on 1) The pressure therapy device of claim 1, wherein the pressure chamber is provided with an adjustable stabilizing structure extending from the second end. ### Claim 8 (depends on 1) The pressure therapy device of claim 1, wherein the second end of the pressure chamber comprises a support surface having a modular space configured to receive a plurality of modular components. ### Claim 9 (depends on 1) The pressure therapy device of claim 1, wherein the pressure chamber is provided with a conduit in communication with a pump unit. ### Claim 10 (depends on 1) The pressure therapy device of claim 1, wherein an anterior exterior surface and a posterior exterior surface of the pressure chamber form a certain angle, such that a distance between the anterior and posterior exterior surfaces continuously increases from the opening towards the second end of the pressure chamber along a height of the pressure chamber. ### Claim 11 (depends on 10) The pressure therapy device of claim 10, wherein the anterior exterior surface is configured to be straight and to extend at a constant angle from the opening of the pressure chamber. ### Claim 12 (depends on 1) The pressure therapy device of claim 1, wherein the seal comprises a frustoconical cuff having a first end and a second end, the first end having a center axis eccentric to a center axis of the second end. ### Claim 13 (depends on 1) The pressure therapy device of claim 1, wherein the seal comprises a first end and a second end, the second end having at least one protrusion for securing the second end to the first end in a stretched configuration. ### Claim 14 (depends on 1) The pressure therapy device of claim 1, wherein the seal comprises a first end and a second end, the first end having a greater thickness than a thickness of the second end. ### Claim 15 (depends on 1) The pressure therapy device of claim 1, wherein the seal comprises heat pressed silicone or TPE. ### Claim 16 (depends on 1) The pressure therapy device of claim 1, wherein the seal has a thickness of 1-2 mm. ### Claim 17 (depends on 1) The pressure therapy device of claim 1, wherein the seal comprises a material having a shore A number within the range of 0-15. ### Claim 18 (depends on 17) The pressure therapy device of claim 17, wherein the seal comprises a material having a shore A number of 5. ### Claim 19 A method of using a pressure therapy device, the method comprising: obtaining a pressure chamber having first and second ends, the first end defining an opening; providing an inflatable padding in the opening of the pressure chamber; providing a seal secured to the first end of the pressure chamber for sealing the opening and enclosing the inflatable padding, the seal in an open configuration; inserting a limb through the seal, the inflatable padding and the opening of the pressure chamber; closing the seal about the limb in the opening; and generating a negative pressure in the pressure chamber to inflate the inflatable padding by drawing air from ambient surroundings and secure the limb in the opening. ### Claim 20 A pressure therapy device, comprising: a pressure chamber having first and second ends, the first end defining an opening; an inflatable padding positioned in the opening; and a seal secured to the first end of the pressure chamber for contacting a limb of a user and sealing the opening; wherein the inflatable padding is configured to be inflatable to narrow the opening and secure about the limb of a user without sealing the opening during application of a negative pressure in the pressure chamber.