Instrument for measuring the peak flow during an exhalation

Details Instrument for measuring the peak flow during an exhalation Instrument for measuring the peak flow during an exhalation

1994-08-15

1996-10-01

Cohen, Lee S.

Surgery

Truss

Pad

128727, 482 13, A61B 5087

Patent

active

055603718

ABSTRACT:
An instrument for measuring the peak flow during an exhalation, which can be quickly and simply assembled and disassembled manually, so that a simple and cost effective production is possible, on the one hand, and a complete cleaning of the instrument is possible on the other hand, so that a hygienic use is guaranteed. The case of the instrument consists of two halves (12 and 22). The first half (12) of the case is equipped with a projection (18), which locks into a recess (24) in the second half (22) of the case when the case is assembled. The two halves of the case (12 and 22) are furthermore both equipped with an extension piece (22 or 26, respectively), with the two extension pieces resting on each other when the case is assembled. For the assembly, the projection (18) installed on the second half (22) of the case is rotated into the recess (24) in the second half of the case, so that the two halves (12 and 22) of the case are joined and the two extension pieces (20 and 26) rest on each other. A holding element is then slipped onto the two extension pieces (20 and 26) and detachably locked with a securing element. For the disassembly, the securing element is removed from the holding element, the holding element from the two superposed extension pieces (20 and 26) and the two halves of the case (12 and 22) then rotated apart, so that the projection (18) slides out of the recess (24).

REFERENCES:
patent: 4041935 (1977-08-01), Garbe
patent: 5224487 (1993-07-01), Bellofetto et al.

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