# US 12,178,774 B2 · Reciprocating stimulation device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,178,774 B2 - Document ID: US12178774B2 - Status: Granted - Kind: B2 - Application number: 18/307,753 - Filed: 2023-04-26 - Published: 2024-10-31 - Granted: 2024-12-31 - Earliest claimed: 2023-04-26 - Assignees: Hytto Pte. Ltd. - Applicants: Hytto Pte. Ltd. - Inventors: Dan Liu; Jilin Qiu - Web page: https://patentgrep.com/patent/US12178774B2 ## CPC - A61H 19/44: {Having substantially cylindrical shape, e.g. dildos} - A61H 23/0254: {with rotary motor} - A61H 23/0263: {using rotating unbalanced masses} - A61H 2201/0153: hand-held - A61H 2201/1215: Rotary drive - A61H 2201/123: Linear drive - A61H 2201/149: rotation-linear or vice versa - A61H 2201/1664: linear - A61H 2201/1669: moving along the body in a reciprocating manner - 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 reciprocating stimulation device includes a handle portion including a rotating motor disposed therein. A stimulation body is disposed over the handle portion and includes a stimulation component. A stretchable tube connects an exterior of the handle portion with an exterior of the stimulation body. A screw is coupled to the handle portion and is configured to be driven in rotation by the rotating motor. A nut is coupled to the stimulation body, the screw is threaded through an opening of the nut. The nut is configured to drive a reciprocating motion of the stimulation body relative to the handle portion as the screw rotates therein. ## Claims ### Claim 1 A reciprocating stimulation device, comprising: a handle portion including a rotating motor disposed therein; a stimulation body disposed over the handle portion and including a stimulation component; a stretchable tube connecting an exterior of the handle portion with an exterior of the stimulation body; a screw rotatably coupled to the stimulation body and configured to be driven in rotation by the rotating motor; and a nut disposed in a stationary position with respect to the handle portion, wherein the screw is configured to drive a reciprocating motion of the stimulation body relative to the handle portion as the screw rotates and is drawn up and down with respect to the nut and the handle portion, wherein the reciprocating stimulation device further comprising a torque receiving structure coupling the rotating motor to the screw, and wherein the torque receiving structure imparts rotational force from the rotating motor to the screw while leaving the screw free to move up and down relative to the rotating motor which is disposed in a stationary position with respect to the handle portion. ### Claim 2 (depends on 1) The reciprocating stimulation device of claim 1, wherein the stimulation component comprises a vibrating motor. ### Claim 3 (depends on 2) The reciprocating stimulation device of claim 2, wherein the stimulation component further comprises a battery electrically connected to the vibrating motor. ### Claim 4 (depends on 1) The reciprocating stimulation device of claim 1, wherein the stimulation component comprises an elongated channel. ### Claim 5 (depends on 1) The reciprocating stimulation device of claim 1, further including a battery disposed within the handle portion and electrically connected to the rotating motor and/or the stimulation component via conductive structures. ### Claim 6 (depends on 5) The reciprocating stimulation device of claim 5, wherein the conductive structures include a first set of conductive elements coupled to the handle portion and a second set of conductive elements coupled to the stimulation body, the first and second sets of conductive elements configured to slide against one another to maintain an electrical connection through the reciprocating motion. ### Claim 7 (depends on 1) The reciprocating stimulation device of claim 1, wherein the nut includes a guide element engaged with a helical groove of the screw. ### Claim 8 A reciprocating stimulation device, comprising: a handle portion including a rotating motor disposed therein; a stimulation body disposed over the handle portion and including a stimulation component; a stretchable tube connecting an exterior of the handle portion with an exterior of the stimulation body; a screw rotatably coupled to the stimulation body and configured to be driven in rotation by the rotating motor; and a nut disposed in a stationary position with respect to the handle portion, the screw threaded through an opening of the nut, wherein the screw is configured to drive a reciprocating motion of the stimulation body relative to the handle portion as the screw rotates and is drawn up and down with respect to the nut and the handle portion, and wherein the screw is mated to a load member by a bearing so that the screw pushes and pulls the load member that moves the stimulation body up and down without the stimulation body rotating along therewith, while the load member is permitted to spin within the stimulation body by the bearing which is mated thereto. ### Claim 9 (depends on 8) The reciprocating stimulation device of claim 8, wherein the stimulation component comprises a vibrating motor. ### Claim 10 (depends on 9) The reciprocating stimulation device of claim 9, wherein the stimulation component further comprises a battery electrically connected to the vibrating motor. ### Claim 11 (depends on 8) The reciprocating stimulation device of claim 8, wherein the stimulation component comprises an elongated channel. ### Claim 12 (depends on 8) The reciprocating stimulation device of claim 8, further including a battery disposed within the handle portion and electrically connected to the rotating motor and/or the stimulation component via conductive structures. ### Claim 13 (depends on 12) The reciprocating stimulation device of claim 12, wherein the conductive structures include a first set of conductive elements coupled to the handle portion and a second set of conductive elements coupled to the stimulation body, the first and second sets of conductive elements configured to slide against one another to maintain an electrical connection through the reciprocating motion. ### Claim 14 (depends on 8) The reciprocating stimulation device of claim 8, wherein the nut includes a guide element engaged with a helical groove of the screw.