Chiropractic thruster

Details Chiropractic thruster Chiropractic thruster

1986-01-29

1988-01-05

Burr, Edgar S.

Surgery

Truss

Perineal

128 69, A61F 500, A61H 2304

Patent

active

047168900

ABSTRACT:
A chiropractic thruster for use in chiropractic treatment to apply controlled impact forces or thrusts to a human body comprises a rubber tipped free-floating punch, the length of stroke of which can be adjusted to control the force applied to the body. The punch delivers one stroke whenever the trigger of a three-way poppet valve is depressed and causes a burst of compressed air to flow from a relatively large compressed air reservoir in the thruster handle to one side of a spring-biased piston in a relatively smaller air cylinder located in the thruster. The piston comprises a piston rod which drives the punch and which, when the piston is biased to retracted position, is spaced from the inner end of the punch by a predetermined distance.

REFERENCES:
patent: 2048220 (1936-07-01), Redding
patent: 2076410 (1937-04-01), McGerry
patent: 2078159 (1937-04-01), Redding
patent: 2204259 (1940-06-01), Schuster et al.
patent: 3955563 (1976-05-01), Maime
patent: 4016873 (1977-04-01), Anderson
patent: 4116235 (1978-09-01), Fuhr et al.
patent: 4445503 (1984-05-01), Havstad
patent: 4461286 (1984-07-01), Sweat
patent: 4549535 (1985-10-01), Wing
patent: 4566441 (1986-01-01), Havstad

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