Systems, devices and methods for enacting cyclical positive and negative pressure
OwnerVikas Khuranainventor
Life of this patent
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Abstract
Disclosed a system (100) for enacting a positive and a negative pressure on a limb. The system (100) includes an air compressor (102) coupled to a reservoir (104), a piston assembly (106) configured to the reservoir (104), wherein the piston assembly (106) further comprises a piston (108) circumfused inside a tube (107), a pneumatic ring (114) coupled to the system (100) via the piston assembly (106) maintains intermittent pressure and prevents formation of a venous blood clot ischemic injury to a tissue distal to the pneumatic ring (114) compression due to lack of blood flow.
Claims28
A system (100) for enacting a positive and a negative pressure on a limb, the system (100) comprises:
- a) a reservoir (104) to entrap air;
- b) an air compressor (102) coupled to the reservoir (104) to entrain atmospheric air;
- c) a piston assembly (106) coupled with the reservoir (104) to enact positive and negative pressure, wherein a forward movement of the piston (108) enacts a positive pressure, and a backward movement of the piston (108) enacts a negative pressure;
- and
- d) a pneumatic ring (114), placed over a portion of the limb, coupled to the system (100) via the piston assembly (106) that maintains intermittent pressure to prevent formation of a venous blood clot and ischemic injury to a tissue distal to the pneumatic ring (114) compression due to lack of blood flow.
A method (300) for treating a damaged tissue, the method (300) comprises:
- a) enacting (302) a positive and a negative pressure by way of forward and backward motion of a piston (108),
- wherein the forward movement of the piston (108) enacts a positive pressure, and the backward movement of the piston (108) enacts a negative pressure in a pneumatic chamber assembly (201);
- b) altering (304) a proximal artery compression to increase intra-arterial pressure;
- and
- c) modulating (306) pressure in pneumatic chamber assembly (201);
- and
- d) increasing (308) shear forces on an endothelial cell to remodel the endothelium and vasculature to treat the damaged tissue.
A system (500) for enacting a positive and a negative pressure on a limb, the system (500) comprises:
- a) a bellow (502) coupled to a solenoid actuator (504) to enact positive and negative pressure;
- b) a pneumatic chamber assembly (201) coupled to the system (500) to maintain intermittent pressure to prevent formation of a venous blood clot;
- and
- wherein the solenoid actuator (504) compresses the bellow (502) to enact positive pressure, and the solenoid actuator (504) decompresses the bellow (504) to enact negative pressure.
A method (600) for treating a damaged tissue, the method (600) comprises:
- a) enacting (602) a positive and negative pressure by the action of a bellow, wherein a solenoid actuator (504) compresses the bellow (502) to enact positive pressure, and the solenoid actuator (504) decompresses the bellow (504) to enact negative pressure.
- b) altering (604) a proximal artery compression to increase intra-arterial pressure;
- and
- c) modulating (606) pressure in a pneumatic chamber assembly (201) to increase intra-arterial pressure;
- d) increasing (608) shear forces on an endothelial cell to remodel the endothelium and vasculature to treat the damaged tissue.
A system (200) for enacting a positive and a negative pressure on a limb, with one or both of a first piston assembly (204) and a second piston assembly (208), wherein the system (200) comprises:
- a) an air compressor (102) coupled to a reservoir (104) to entrain atmospheric air;
- b) a pneumatic chamber assembly (201) coupled to the system (100) maintains intermittent pressure and prevents formation of a venous blood clot;
- c) the first piston assembly (204) comprising a first piston (206);
- d) the second piston assembly (208) comprising a second piston (210);
- enacting a positive and a negative pressure, wherein a forward movement of the first piston (206), towards the limb, enacts positive pressure and the backward movement of the second piston (208), away from the limb, enacts negative pressure.
A system (400) for enacting a positive and a negative pressure on a limb, with one or both of a first bellow (404) and a second bellow (406), wherein the system (400) comprises:
- a) the first bellow (404) is coupled to a first solenoid actuator (408-A) and the second bellow (406) is coupled to a second solenoid actuator (408-B);
- b) a pneumatic chamber assembly (201) coupled to the system (500) maintains intermittent pressure and prevents formation of a blood clot;
- enacting a positive and negative pressure, wherein the first solenoid actuator (408-A) compresses the first bellow (404) to enact positive pressure, and the second solenoid actuator (408-B) decompresses the second bellow (406) to enact negative pressure.
A system (700) for enacting a positive and a negative pressure on a skin, with one or both of a first piston assembly (204) and a second piston assembly (208), wherein the system (200) comprises:
- a) an air compressor (102) coupled to a reservoir (104) to entrain atmospheric air;
- b) a pneumatic chamber assembly (701) coupled to the system (700) maintains intermittent pressure and prevents formation of a venous blood clot;
- c) the first piston assembly (204) comprising a first piston (206);
- d) the second piston assembly (208) comprising a second piston (210);
- enacting a positive and a negative pressure, wherein a forward movement of the first piston (206), towards the skin, enacts positive pressure and the backward movement of the second piston (210), away from the skin, enacts negative pressure.
A system (800) for enacting a positive and a negative pressure on a skin, with one or both of a first bellow (404) and a second bellow (406), wherein the system (800) comprises:
- a) the first bellow (404) is coupled to a first solenoid actuator (408-A) and the second bellow (406) is coupled to a second solenoid actuator (408-B);
- b) a pneumatic chamber assembly (801) coupled to the system (800) maintains intermittent pressure and prevents formation of a venous blood clot;
- enacting a positive and negative pressure, wherein the first solenoid actuator (408-A) compresses the first bellow (404) to enact positive pressure, and the second solenoid actuator (408-B) decompresses the second bellow (406) to enact negative pressure.
Dependencies are inferred from the claim text.