Patent ID: 8016575

Claim:
A device for drawing fluid comprising: a reservoir to store the fluid, having an orifice through which fluid can enter or exit the reservoir; and a hand pump connected to the reservoir and arranged, in use, to draw fluid into the reservoir, said hand pump including: a squeeze bulb in fluid communication with the reservoir; an air release valve in the wall of the bulb to permit release of air from the bulb to atmosphere when the bulb is compressed; and an air intake valve to allow flow of air into the bulb from the reservoir when the bulb decompresses, thereby reducing the pressure in the reservoir to draw fluid through the orifice into the reservoir, arranged so that when the bulb is compressed the air release valve is open and the air intake valve is closed, while when the bulb decompresses the air release valve is closed and the air intake valve is open to allow air to be drawn into the bulb from the reservoir; and a plunger slidably housed within the reservoir and connected to the wall of the bulb, actuable to expel drawn fluid through the orifice, said plunger including a tubular rod extending between the air intake valve and the reservoir, thereby allowing air flow between the reservoir and the bulb when the air intake valve is open.