Surgery – Truss – Pad
Patent
1984-12-11
1987-09-29
Pinkham, Richard C.
Surgery
Truss
Pad
128903, A61B 500
Patent
active
046963090
DESCRIPTION:
BRIEF SUMMARY
The invention relates to portable apparatus for taking blood and other body fluids comprising a catheter, a pump and a storage container for the fluid taken.
The simplest known possibility for taking blood consists of a cylinder provided with a hollow needle on one end with a piston of which the piston rod extends out through the other end of the cylinder and ends in a ring through which the thumb of the hand is inserted with the fingers holding the cylinder during the taking of blood. Besides this simplest form of apparatus for taking blood, there are a variety of complicated forms of which the most expensive is mounted on a carriage.
With the direct blood extraction taken with these apparatuses, psychic influences act on the patient or other, for example physical, circumstances disturb the blood value and the blood extraction. It is true that with the more expensive types of these extraction apparatuses repeated blood extraction is possible, but however, these apparatuses are not portable by the patient.
In the field of medicine, information regarding the blood and its components and contents as well as with regard to physiological and pathological changes are of interest. This information can be obtained by taking blood tests and their analysis as well as through insertion of sensors and catheters. Through the direct taking of blood samples through puncturing, catheterization etc. the psychic influence of the patient can lead to an alteration of the blood value. Moreover, with many examinations under difficult conditions, for example running training, of rehabilitation patients, sportsmen, among others, and difficult examination of animals, such blood taking methods are possible only to a limited degree because the charge must be interrupted and the blood value can change in this time. With certain testing, for example simulated or actual flight situations with pilots and the examination of free-running animals among others, such examination is in general not possible.
For such examination of the blood and other body fluids under certain conditions on men and animals, there is required a portable blood taking apparatus which is freely selectable according to the situation or before a predetermined time of blood taking is so conducted that it is not necessary for a person to be present for the blood sampling.
The invention is directed to the problem of so constructing apparatus for taking body fluids of human and animal patients that the blood taking can be repeated at desired time intervals without requiring a person for servicing the blood taking apparatus to be present in the vicinity of the patient.
The portable extraction apparatus in accordance with the invention is characterized in that the control device (among others for the pump drive) can be switched on and, if desired, off by remote control, that for taking the body fluids there is provided a reservoir in which several body fluid samples can be stored, that there is provided a rinsing and filling arrangement for the pump, the catheter and the conduit system feeding from the pump to the reservoir, that there is provided a valve or valve system for conducting the body fluids taken and the rinsing and filling fluid for the canal system to the reservoir and that there is provided a control system for actuation of the rinsing and filling arrangement and the valve or valve system.
Such extraction apparatus can be housed in a housing with a safety belt. Through the remote control, which is advantageously a radio control, it is possible that either according to a preset program or according to the instructions of a person located at a distance, there can be transmitted to the extraction apparatus an impulse which controls the action of the pump drive and thereby leads to the taking of body fluid and finally the rinsing of the canal system of the apparatus and the pump as well as the catheter. It is a special advantage of this apparatus that the entire conduit system and the catheter are continuously filled with fluid and thereby free of gas. For the
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Burns Robert E.
Layno Benjamin
Lobato Emmanuel J.
Pinkham Richard C.
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