# US 12,594,215 B2 · Compression wave massage device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,594,215 B2 - Document ID: US12594215B2 - Status: Granted - Kind: B2 - Application number: 17/719,802 - Filed: 2022-04-13 - Published: 2022-07-28 - Granted: 2026-04-07 - Earliest claimed: 2016-04-04 - Assignees: EIS GmbH - Applicants: EIS GmbH - Inventors: Florian M. Witt - Web page: https://patentgrep.com/patent/US12594215B2 ## CPC - A61H 19/34: {For clitoral stimulation} - A61H 9/0007: {Pulsating} - A61H 9/005: {Pneumatic massage} - A61H 9/0057: {Suction (suction kneading A61H7/008)} - A61H 19/30: {Devices for external stimulation of the genitals} - A61H 2201/0153: hand-held - A61H 2201/0157: portable - A61H 2201/1207: with electric or magnetic drive - A61H 2201/1215: Rotary drive - 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 compression wave massage device for body parts is described, particularly for erogenous zones such as the clitoris, comprising a pressure field generation device and a drive device. The pressure field generation device has at least one cavity with a first end and a second end, located opposite the first end and distanced from said first end, with the first end being provided with at least one opening for placement on a body part. The drive device causes a change of the volume of at least one cavity between a minimal volume and a maximal volume such that in at least one opening a stimulating pressure field is generated. The cavity is formed by a single chamber, and the ratio of the volume change to the minimal volume is not below 1/10, preferably not below ⅛. ## Claims ### Claim 1 A compression wave massage device for body parts, comprising: a pressure field generation device consisting essentially of a flexible membrane and one continuous chamber, wherein the one continuous chamber includes one cavity having (i) a volume, (ii) a first end including an opening configurable for physical placement over a body part, and (iii) a second end, located opposite the first end and distanced therefrom, and wherein portions of the flexible membrane are physically attached and fixed to the one cavity at the second end to close the one cavity at the second end, wherein a cross-section of the one cavity is approximately constant from the first end to the second end; and a drive device including a motor, physically coupled to the flexible membrane, to, in operation, deflect the flexible membrane in a reciprocal motion in a direction towards the first end of the one cavity and away from the first end of the one cavity to thereby generate a change of the volume of the one cavity of the one continuous chamber between a minimum volume and a maximum volume such that a pressure field is generated at the first end of the one cavity of the one continuous chamber, wherein: (i) a ratio of the change in volume of the one cavity of the one continuous chamber to the minimum volume is greater than 1/10, and (ii) the ratio of the change in volume of the one cavity to the minimum volume is less than 1. ### Claim 2 (depends on 1) The compression wave massage device of claim 1, wherein the approximately constant cross-section is defined perpendicular to a length of the one cavity between the first end and the second end of the one cavity. ### Claim 3 (depends on 1) The compression wave massage device of claim 1, wherein the one cavity of the one continuous chamber includes a circular or elliptic cross-section, defined perpendicular to a length of the one cavity between the first end and the second end of the one cavity. ### Claim 4 (depends on 1) The compression wave massage device of claim 1, wherein an interior wall of the one cavity of the one continuous chamber is free from discontinuations. ### Claim 5 (depends on 1) The compression wave massage device of claim 1, wherein the one cavity of the one continuous chamber includes a continuous tube shape having the cross section, defined perpendicular to a length of the one cavity between the first end and the second end of the one cavity. ### Claim 6 (depends on 1) The compression wave massage device of claim 1, wherein a ratio of a width of the one cavity of the one continuous chamber, defined perpendicular to a longitudinal extension of the one cavity, to a length of the one cavity of the one continuous chamber, defined in a direction of the longitudinal extension of the one cavity, is between 0.2 to 0.6. ### Claim 7 (depends on 1) The compression wave massage device of claim 1, wherein a ratio of a width of the one cavity of the one continuous chamber, defined perpendicular to a longitudinal extension of the one cavity, to a length of the one cavity of the one continuous chamber, defined in a direction of the longitudinal extension of the one cavity, is between 0.38 to 0.4. ### Claim 8 (depends on 1) The compression wave massage device of claim 1, further including: a socket, having: a shape that conforms to fit over the first end of the one cavity of the one continuous chamber, and an opening configurable for physical placement on the body part, wherein a cross-sectional width of the opening of the socket is different from a cross-sectional width of the opening of the first end of the one cavity of the one continuous chamber, wherein the cross-sectional width of the opening of the socket is greater than the cross-sectional width of the opening of the first end of the one cavity of the one continuous chamber. ### Claim 9 (depends on 8) The compression wave massage device of claim 8, further including: a housing, wherein: the drive device and the pressure field generation device are disposed within the housing, and the socket is configured to (i) physically engage with the housing and (ii) is detachable from the housing. ### Claim 10 (depends on 9) The compression wave massage device of claim 9, wherein the socket is a silicone. ### Claim 11 (depends on 1) The compression wave massage device of claim 1, further including: a housing, wherein the drive device and the pressure field generation device are disposed within the housing; and a socket, physically connected to the housing and having a shape that conforms to fit over the first end of the one cavity of the one continuous chamber and extends into the one continuous chamber to form a section of an inner lateral wall of the one cavity of the one continuous chamber, wherein the socket is separate and spaced apart from the flexible membrane. ### Claim 12 (depends on 1) The compression wave massage device of claim 1, wherein a ratio of a width of the one cavity of the one continuous chamber, defined perpendicular to a longitudinal extension of the one cavity, to a length of the one cavity of the one continuous chamber, defined in a direction of the longitudinal extension of the one cavity, is between 0.1 to 1. ### Claim 13 (depends on 1) The compression wave massage device of claim 1, wherein the flexible membrane is made from silicone. ### Claim 14 A compression wave massage device for body parts, comprising: a pressure field generation device consisting essentially of a flexible membrane and one continuous chamber, wherein the one continuous chamber includes one cavity having (i) a volume, (ii) a first end including an opening configurable for physical placement over a body part, and (iii) a second end, located opposite the first end and distanced therefrom, and wherein portions of the flexible membrane are physically attached and fixed to the one cavity at the second end to close the one cavity at the second end, wherein a cross-section of the one cavity is approximately constant from the first end to the second end; a drive device including a motor, physically coupled to the flexible membrane, to, in operation, deflect the flexible membrane in a reciprocal motion in a direction towards the first end of the one cavity and away from the first end of the one cavity to thereby generate a change of the volume of the one cavity of the one continuous chamber between a minimum volume and a maximum volume such that a pressure field is generated at the first end of the one cavity of the one continuous chamber, wherein: (i) a ratio of the change in volume of the one cavity of the one continuous chamber to the minimum volume is greater than 1/10, and (ii) the ratio of the change in volume of the one cavity to the minimum volume is less than 1; a housing, wherein the drive device and the pressure field generation device are disposed within the housing; and a socket, physically engaged within the housing and having a shape that conforms to fit over the first end of the one cavity of the one continuous chamber to attach to an exterior surface of the housing and extends into the one continuous chamber to form a section of an inner lateral wall of the one cavity of the one continuous chamber. ### Claim 15 (depends on 14) The compression wave massage device of claim 14, wherein the socket is made from a soft, flexible material. ### Claim 16 (depends on 14) The compression wave massage device of claim 14, wherein: the housing includes a channel formed in an external surface thereof and spaced apart from the first end of the one cavity of the one continuous chamber; and the socket includes a portion that is disposed on an exterior of the housing and a projection that engages and fits in the channel of the housing to secure the socket to the housing, wherein the socket is detachable from the housing by removing the projection from the channel of the housing and wherein the socket is separate and spaced apart from the flexible membrane, wherein the socket is detachable from the housing by removing the projection from the channel of the housing and wherein the socket is separate and spaced apart from the flexible membrane. ### Claim 17 A compression wave massage device for body parts, comprising: a pressure field generation device consisting essentially of a flexible membrane and one continuous chamber, wherein the one continuous chamber includes a cavity having (i) a volume, (ii) a first end including an opening configurable for physical placement over a body part, and (iii) a second end, located opposite the first end and distanced therefrom, and wherein portions of the flexible membrane are physically attached and fixed to the cavity at the second end to close the cavity at the second end, wherein a cross-section of the cavity is approximately constant from the first end to the second end; a drive device including a motor, physically coupled to the flexible membrane, to, in operation, deflect the flexible membrane in a reciprocal motion in a direction towards the first end of the cavity and away from the first end of the cavity to thereby generate a change of the volume of the cavity of the one continuous chamber between a minimum volume and a maximum volume such that a pressure field is generated at the first end of the cavity of the one continuous chamber, wherein: (i) a ratio of the change in volume of the cavity of the one continuous chamber to the minimum volume is greater than 1/10, and (ii) the ratio of the change in volume of the cavity to the minimum volume is less than 1; a housing, wherein the drive device and the pressure field generation device are disposed within the housing; wherein, in operation, the pressure field generation device and the drive device cooperate to provide a pressure field having a pattern of relative vacuum stages and relative overpressure stages which are modulated on a reference pressure, wherein a maximum pressure of each relative overpressure stage in reference to normal air pressure is below a value of a relative vacuum in reference to the normal air pressure. ### Claim 18 (depends on 17) The compression wave massage device of claim 17, wherein the maximum pressure of each relative overpressure stage in reference to the normal air pressure is less than or equal to 10% of the value of the relative vacuum in reference to the normal air pressure. ### Claim 19 (depends on 17) The compression wave massage device of claim 17, wherein the pressure field is a sinusoidal periodic pressure progression. ### Claim 20 (depends on 17) The compression wave massage device of claim 17, further including: a socket, physically connected to the housing and having a shape that conforms to fit over the first end of the cavity of the one continuous chamber and extends into the one continuous chamber to form a section of an inner lateral wall of the cavity of the one continuous chamber and wherein the socket is separate and spaced apart from the flexible membrane. ### Claim 21 (depends on 20) The compression wave massage device of claim 20, wherein: the housing includes a channel formed in an external surface thereof and spaced apart from the first end of the cavity of the one continuous chamber; and the socket includes a portion that is disposed on an exterior of the housing and a projection that fits in the channel of the housing to secure the socket to the housing.