Sealing collar for a resuscitator or respirator
US4926844A · kind A · utility
Inventor
Key dates
| Filing date | Apr 19, 1989 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Apr 19, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H31/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A collar for a respirator or resuscitator that provides for a relatively air-tight seal on the neck of the patient but is gentle enough to prevent injury to the skin and subcutaneous tissue as well as being constructed so as to minimize pressure on the anterior neck and anterior lateral neck to avoid undue injurious pressure on the jugular vein, carotid arteries, trachea and other delicate structures in this area of the neck. With the two frame parts separated and a patient in place with the neck in the collar opening, the collar is brought up tightly around the back of the neck and the lower collar portion clamped against the head side of the lower frame part by a U-shaped clamp. The upper portion of the collar then is passed between the two separated parts of the collar frame to the body side thereof. The wall or frame parts are then closed. The body side of the upper frame part movably carries an anterior chest seal block which is moved down on the foam-like collar material, pushing the anterior point of pressure of the collar away from the anterior neck and anterior lateral neck of the patient and onto the bony structure of the anterior chest and anterior-lateral chest. That po…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.