A percussive massage device includes a cylinder extending along a longitudinal axis. A motor shaft that rotates about a central axis perpendicular to the longitudinal axis. A crank coupled to the shaft includes a first pivot offset from the central axis. A pinion gear is coupled to the first pivot. The pinion gear rotates within a ring gear. The pinion gear has a second pivot that rotates about the first pivot. A reciprocation linkage is coupled between the second pivot and a piston that moves longitudinally within the cylinder. An applicator head coupled to a second end of the piston has an end exposed outside the cylinder for application to a person receiving treatment. An actuator selectively rotates the ring gear to cause the applicator head to have a first stroke length and at least a second stroke length.

A motion assistance apparatus includes a proximal frame configured to support a proximal part of a user, a connecting frame rotatably connected to the proximal frame, a distal frame rotatably connected to the connecting frame and configured to support a distal part of the user, and a power transmitter including a slider configured to slide along the proximal frame, a pusher rotatably connected to the distal frame and the slider, and a coupler configured to connect the slider and the pusher and positioned closer to the proximal part of the user than a rotation axis of the connecting frame in the whole range of motion.

A percussive massage device includes an enclosure having a cylindrical bore that extends along a longitudinal axis. A motor has a rotatable shaft that rotates about a central axis perpendicular to the longitudinal axis. A crank coupled to the shaft includes a pivot, which is offset from the central axis of the shaft. A reciprocation linkage has a first end coupled to the pivot of the crank. A piston has a first end coupled to a second end of the reciprocation linkage. The piston is constrained to move within a cylinder along the longitudinal axis of the cylindrical bore. An applicator head has a first end coupled to a second end of the piston and has a second end exposed outside the cylindrical bore for application to a person receiving treatment. A motor controller measures current applied to the motor and displays a pressure indicator responsive to the measured current.

An exoskeleton device that includes an artificial joint and a frame member extending from the artificial joint. The frame member is configured for extension over a limb of a user. The exoskeleton device also includes a self-aligning mechanism connected to the frame member. The self-aligning mechanism includes three passive degrees of freedom (pDOF) provided in a prismatic-revolute-revolute (PRR) configuration. The self-aligning mechanism also includes a limb attachment member configured for mechanically coupling to a portion of the limb of the user.

A health care device includes a health care body for positioning a body part of a user, so as to maintain a first specific positional relationship with the body part, wherein the body part has an acupoint; an acupoint work piece for performing a health care work onto the use through the acupoint; and a work piece holder having a first end connected to the health care body and a second end for fixing the acupoint work piece, so that under the first specific positional relationship, the acupoint work piece performs the health care work under the condition that the acupoint work piece has a second specific positional relationship with the acupoint. A health care body, method and system are also provided.

A massage device includes a main body having a gripping section adapted to be held by a user, a massaging head, and an actuator configured to effect a reciprocating movement of the massaging head relative to the gripping section. The massaging head includes a negative pressure cavity connected to the suction pump.

A hand-held body massager includes a powered handle having an electric motor and reciprocating assembly mounted therein and a first mating coupler of a side-release buckle assembly connected to the reciprocating assembly to impart longitudinal, reciprocating movement of the first mating coupler relative to a powered handle. A plurality of massaging attachments incorporating a second mating coupler of the side-release buckle assembly are interchangeably securable to the powered handle. One of the massage attachments comprises a flexible strap with the second mating coupler connected to a first end and a second end, formed from a section of elastic material, connected to a passive handle. Other attachments include a plurality of massage head attachments each including a massage head of a different geometry and having a second mating coupler of a side-release buckle assembly projecting therefrom.

A percussive massage device includes a cylinder extending along a longitudinal axis. A motor shaft that rotates about a central axis perpendicular to the longitudinal axis. A crank coupled to the shaft includes a first pivot offset from the central axis. A pinion gear is coupled to the first pivot. The pinion gear rotates within a ring gear. The pinion gear has a second pivot that rotates about the first pivot. A reciprocation linkage is coupled between the second pivot and a piston that moves longitudinally within the cylinder. An applicator head coupled to a second end of the piston has an end exposed outside the cylinder for application to a person receiving treatment. An actuator selectively rotates the ring gear to cause the applicator head to have a first stroke length and at least a second stroke length.

Disclosed is a fascia gun (1), comprising a shell, a massage head (13), a transmission mechanism (15), a driving device (17) and a control device (18), wherein the control device (18) is connected to the driving device (17); the driving device (17) is connected to the transmission mechanism (17); the transmission mechanism (15) is connected to the massage head (13); the driving device (17), the transmission mechanism (15) and the control device (18) are all mounted in the shell; and the control device (18) comprises a wireless transmission module to be wirelessly connected to an upper computer. Compared with mechanical switch control, a wireless transmission function is provided, such that the vibration frequency of the fascia gun (1) can be wirelessly controlled, thus greatly improving the ease of use of the fascia gun (1).

A system for user interaction is provided. The system includes an input device configured to receive movement data and to transmit a movement signal corresponding to the movement data. An output device is configured as an adult sex toy, and the output device is configured to receive the movement signal from the input device and to move in response to the movement signal. An application is configured to provide communication between the input device and the output device.