# US 11,304,870 B2 · Personal use extracorporeal low frequency shock wave instrument and methods of using same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,304,870 B2 - Document ID: US11304870B2 - Status: Granted - Kind: B2 - Application number: 16/824,696 - Filed: 2020-03-20 - Published: 2020-07-09 - Granted: 2022-04-19 - Earliest claimed: 2018-08-12 - Applicants: Jonathan Hoffman - Inventors: Jonathan Hoffman - Web page: https://patentgrep.com/patent/US11304870B2 ## CPC - A61H 23/008: {using shock waves} - A61B 17/225: for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves - A61H 2201/0107: modular - A61H 2201/0153: hand-held - A61H 2201/1207: with electric or magnetic drive - A61H 2201/1215: Rotary drive - A61H 2201/1418: Cam - A61H 2201/149: rotation-linear or vice versa - A61H 2201/1602: kind of interface, e.g. head rest, knee support or lumbar support - A61H 2201/501: connected to external computer devices or networks - A61H 2201/5043: Displays - A61H 2201/5058: Sensors or detectors - A61H 2201/5097: wireless - A61H 2205/081: Back - A61H 2205/086: Buttocks - A61H 2205/102: Knee - A61N 1/00: Electrotherapy; Circuits therefor (A61N2/00 takes precedence; irradiation apparatus A61N5/00) - A61N 2007/0008: {Destruction of fat cells} - 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) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) ## Abstract A treatment device includes a housing having a longitudinal axis extending between a proximal end and a distal end, a motor, a drive shaft operatively coupled to the motor, a compression spring at least partially disposed about the drive shaft, a helical cam disposed adjacent the compression spring, the helical cam having at least one discontinuity, a hammer coupled to the helical cam and moveable therewith, and a tip disposed adjacent the distal end. ## Claims ### Claim 1 A method of treatment, comprising: providing a treatment device including a housing having a longitudinal axis extending between a first end and a second end, a motor disposed within the housing, a drive shaft operatively coupled to the motor, a compression spring at least partially disposed about the drive shaft, a helical cam disposed adjacent the compression spring, the helical cam having a first flat end, and a second end having at least one discontinuity, wherein the drive shaft passes through the first and second ends of the helical cam and includes at least one cam follower configured to travel along the helical cam, a hammer coupled to one of the helical cam and the drive shaft and moveable therewith, and a tip; and striking the tip with the hammer at repeated intervals to create a shock wave. ### Claim 2 (depends on 1) The method of claim 1, further comprising the step of rotating the drive shaft. ### Claim 3 (depends on 2) The method of claim 2, further comprising the step of translating the helical cam along the longitudinal axis. ### Claim 4 (depends on 1) The method of claim 1, further comprising the step of rotating the helical cam. ### Claim 5 (depends on 4) The method of claim 4, further comprising the step of translating the drive shaft along the longitudinal axis. ### Claim 6 (depends on 1) The method of claim 1, further comprising the step of providing a power source in the form of a rechargeable battery. ### Claim 7 (depends on 1) The method of claim 1, further comprising the step of providing a guide template for partially covering a body part and having at least one window through which a treatment area is exposed. ### Claim 8 (depends on 7) The method of claim 7, further comprising the step of creating the shock wave adjacent the at least one window. ### Claim 9 (depends on 7) The method of claim 7, further comprising the step of providing a display, and providing instructions to a user during use of the treatment device via the display. ### Claim 10 A method of treatment, comprising: providing a treatment device including a housing having a longitudinal axis extending between a first end and a second end, a drive shaft operatively coupled to a motor, a compression spring at least partially disposed about the drive shaft, a helical cam disposed adjacent the compression spring, the helical cam having a first flat end, and a second end having at least one discontinuity, wherein the drive shaft passes through the first and second ends of the helical cam and includes at least one cam follower configured to travel along the helical cam, a moveable hammer, and a tip; and repeatedly striking the tip with the hammer to create a shock wave. ### Claim 11 (depends on 10) The method of claim 10, further comprising the step of providing a rotating drive shaft. ### Claim 12 (depends on 11) The method of claim 11, further comprising the step of providing a translating helical cam. ### Claim 13 (depends on 10) The method of claim 10, further comprising the step of providing a rotating helical cam. ### Claim 14 (depends on 13) The method of claim 13, further comprising the step of providing a translating drive shaft. ### Claim 15 (depends on 10) The method of claim 10, further comprising the step of providing a power source in the form of a rechargeable battery to actuate the hammer. ### Claim 16 (depends on 10) The method of claim 10, further comprising the step of providing a guide template for partially covering a body part and having at least one window through which a treatment area is exposed. ### Claim 17 (depends on 16) The method of claim 16, further comprising the step of creating the shock wave adjacent the at least one window. ### Claim 18 (depends on 16) The method of claim 16, further comprising the step of providing a display, and providing instructions to a user during use of the treatment device via the display.