Surgery – Body protecting or restraining devices for patients or infants – Head or face protector
Patent
1997-01-23
1998-01-27
Brown, Michael A.
Surgery
Body protecting or restraining devices for patients or infants
Head or face protector
128866, 2209, A61F 1100
Patent
active
057113130
ABSTRACT:
An earplug is described, with a metal insert that enables the earplug to be detected if it falls in a vat of food or other material during industrial processing, wherein the insert can be very easily attached, with or without a cord, to even an earplug body formed of resilient foam. The earplug includes a molded earplug body (12) having an axis (16) extending in forward and rearward directions. The earplug includes a detectable insert (14) attached to the rear portion (22) of the body, the insert comprising a fastener having a shaft (32) extending through a hole (30) in the rearward portion of the body and having a pair of flanges (34, 36) at opposite sides of the rearward portion, with foam body material compressed between the flanges. A cord (96) is attached to the earplug, the cord having a wrapped end part (110) that is wrapped around the shaft and which is compressed between a flange (34) and the compressed portion of the earplug body.
REFERENCES:
patent: 125339 (1872-04-01), Sedgwick
patent: 516135 (1894-03-01), Thamm
patent: 758680 (1904-05-01), Otto
patent: 955276 (1910-04-01), Lopizich
patent: 4253452 (1981-03-01), Powers
patent: 4936411 (1990-06-01), Leonard
Brown Michael A.
Howard S. Leight & Associates
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