Resuscitation mask with nose occluding and head inclining struct

Details Resuscitation mask with nose occluding and head inclining struct Resuscitation mask with nose occluding and head inclining struct

1994-06-08

1995-12-19

Asher, Kimberly L.

Surgery

Respiratory method or device

Means using rescuer's breath for supplying respiratory gas...

12820624, 12820629, 12820714, A61M 1600, A62B 1808, A62B 906

Patent

active

054760925

DESCRIPTION:

BRIEF SUMMARY
BACKGROUND OF THE INVENTION

The present invention relates to mouth-to-mouth resuscitation devices and more particularly the invention relates to a resuscitation mask which prevents transfer of bodily fluids between the patient and the donor. It will be convenient to describe the invention with reference to use on an unconscious patient who has stopped breathing, however it should be noted that the invention has a wider application.
Mouth-to-mouth resuscitation is an important and valuable respiration technique to ventilate a patient who has stopped breathing or to assist a patient having difficulty breathing. However, particularly in recent times, there are a number of reasons why potential life saving donors may be hesitant to administer mouth-to-mouth resuscitation or may have their own health jeopardized if they do administer mouth-to-mouth resuscitation. First, the prospect of the patient vomiting during the procedure is discouraging. Further the risk of transfer of infection, both from donor to patient but more particularly from patient to donor is a further discouraging factor. The risk of transmission of the AIDS virus, oral herpes, hepatitis B and other serious diseases by exchange of bodily fluids during mouth-to-mouth resuscitation are factors which may influence the decision of a potential donor to refuse to treat a patient and may put the potential donor at risk when he or she has no indication of the health history of the person being resuscitated. This may be more so with emergency workers such as ambulance officers and police who are more frequently exposed to such risks.
Because of the problems outlined above, many devices have been suggested to reduce or eliminate the risk of exchange of bodily fluids during mouth-to-mouth resuscitation and to avoid the risk of transfer of infection.
The resuscitation devices presently available often suffer from one or more problems. First, many of the devices require two hand operation to effectively seal the patient's mouth and nose and hold the device in position. Secondly, many devices do not allow or encourage correct resuscitation technique of reclining the patient's head back such that the patient's airway is properly opened. Further many of the known devices do not actually keep the patient's airway open by keeping the pharynx and larynx open, the patient's teeth apart and mouth open. Many devices also do not allow connection to mechanical air supply devices.
It is an object of the present invention to provide a resuscitation device which overcomes one or more of the above problems.


SUMMARY OF THE INVENTION

According to the present invention there is provided a mouth-to-mouth resuscitation device comprising a fluid passage having a donor inlet, a patient outlet and an intermediate portion, a valve located at said intermediate portion, said valve permitting flow of air from said donor inlet to said patient outlet but preventing flow of fluid from said patient outlet to said donor inlet; and passage passes; and against said nostrils. resilient abutment portions defining a recess for positively locating the base of the nose of the patient and adapted to seal the nostrils of said patient when pressed upwardly against the underside of the patient's nose.
The nose sealing cushion is adapted to seal the nose of the patient by occluding the nostrils by pressing underneath the nose in the region of the nasal septum. The cushion means may include resilient abutment portions adapted to press upwards against the nostrils so as to seal the nostrils. Preferably, the cushion means is a soft resilient natural or synthetic rubber material adapted to deform and seal the nostrils when pressed against the nostrils from under the nose. The nose cushion includes a recessed portion into which the base of the nose can be located. The cushion is adapted to seal the nostrils in the area of the nasal septum by positioning the cushion against the nose and applying pressure to the mask upwards relative to the mouth of the patient such that the cushion presses up onto the

REFERENCES:
patent: 3252457 (1966-05-01), Monaco et al.
patent: 4449526 (1984-05-01), Elam
patent: 4559940 (1985-12-01), McGinnis
patent: 4579114 (1986-04-01), Gray et al.
patent: 4811730 (1989-03-01), Milano
patent: 4834085 (1989-05-01), Webster
patent: 5005568 (1991-04-01), Roescher et al.
patent: 5121745 (1992-06-01), Israel

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