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US 4,899,749 AGranted
Thermal vascular dilating device and method
OwnerElizabeth Larocoinventor
Life of this patent
Estimating the term…
Abstract
A thermal vascular dilating device including a cylindrical shaped water tight container with the center opening sufficient to allow the arm to fit through preferably with a lengthwise cut held together with VELCRO straps and a length long enough to interfit over the hand with a VELCRO strap closure to fold the device over the hand with a threaded spout and cap opening for filling the container with warm water.
Claims11
A thermal vascular dilating device to fit over a person's extremity comprising:
- (a) a heat retaining flowable material tight container comprising:
- (i) a cylindrical shaped flexible outside wall having an inner surface, an outer surface, and two circular end edges,
- (ii) a cylindrical shaped flexible inside wall having an inner surface, an outer surface, and two circular end edges, the inside wall nested inside the outside wall,
- (iii) sealing means to seal the adjacent end edges of the inside and outside walls forming a cylindrical cavity between the outer surface of the inside wall and the inner surface of the outside wall,
- wherein the inside wall is heat conductive,
- (b) an opening means providing an opening into the cavity to allow it to be filled with warm heat retaining flowable material, sealably closed, opened, and emptied, and
- (c) closure means to detachably close off an end of the cylindrical container.
4 more elements
A method of thermally dilating the vascular system of a person's extremity comprising:
- (A) providing a dilating device comprising
- (a) a heat retaining flowable material tight container comprising:
- (i) a cylindrical shaped flexible outside wall having an inner surface, an outer surface, and two circular end edges,
- (ii) a cylindrical shaped flexible inside wall having an inner surface, an outer surface, and two circular end edges, the inside wall nested inside the outside wall,
- (iii) sealing means to seal the adjacent end edges of the inside and outside walls forming a cylindrical cavity between the outer surface of the inside wall and the inner surface of the outside wall,
- wherein the composition and the thickness of the inside wall is sufficient to allow heat conduction through the wall, and
- (b) an opening means providing a closable opening into the cavity,
- (B) filling the device with warm heat retaining flowable material,
- (C) expelling air from the cavity out the opening means and closing the opening means,
- (D) slipping the device over the extremity,
- (E) wrapping the person's hand with a heat insulating fabric,
- (F) waiting a sufficient time for the vascular system to dilate, and
- (G) removing the device to expose the access to the vascular system.
10 more elements
A method of thermally dilating the vascular system of a person's extremity comprising:
- (A) providing a dilating device comprising
- (a) a heat retaining flowable material tight container comprising:
- (i) a cylindrical shaped flexible outside wall having an inner surface, an outer surface, and two circular end edges,
- (ii) a cylindrical shaped flexible inside wall having an inner surface, an outer surface, and two circular end edges, the inside wall nested inside the outside wall,
- (iii) sealing means to seal the adjacent end edges of the inside and outside walls forming a cylindrical cavity between the outer surface of the inside wall and the inner surface of the outside wall,
- wherein the composition and the thickness of the inside wall is sufficient to allow heat conduction through the inside wall, and
- (b) an opening means providing a closable opening into the cavity,
- (B) filling the device with warm heat retaining flowable material,
- (C) expelling air from the cavity out the opening means and closing the opening means,
- (D) slipping the device over the extremity,
- (E) closing one of the two end edges over the end of the extremity,
- (F) waiting a sufficient time for the vascular system to dilate, and
- (G) removing the device to expose the access to the vascular system.
10 more elements
Dependencies are inferred from the claim text.