Twisted wire brush with threaded assembly for collecting cells

Details Twisted wire brush with threaded assembly for collecting cells Twisted wire brush with threaded assembly for collecting cells

1976-12-21

1978-08-22

Howell, Kyle L.

Surgery

Truss

Perineal

15206, 128 2W, A61B 1000

Patent

active

041081625

ABSTRACT:
A scraper brush for collecting cells from internal body passages includes a twisted wire root portion 2 mounting hairy fibers 1 between the twisted wires, and a flexible wire winding 4. A tip portion 5 of the winding 4 is stretched to present an increased pitch, and the root portion is threaded into the tip portion with the lay of the twisted wires matching the increased pitch. An additional stretched portion 5b may be provided to increase the flexibility of the brush.

REFERENCES:
patent: 1047021 (1912-12-01), Farnum
patent: 1669937 (1928-05-01), Hertzberg
patent: 3613664 (1971-10-01), Willson et al.
patent: 3749085 (1973-07-01), Willson et al.
patent: 3881464 (1975-05-01), Levene
patent: 3973556 (1976-08-01), Fleischhacker et al.

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