Substance delivery device
First Claim
1. Substance delivery device for actively delivering at least one substance in either or both solid and fluid form into a body cavity of an animal into which the substance delivery device is inserted, said substance delivery device comprising:
- a body having an outlet to the animal body cavity;
at least one reservoir within said body containing a substance;
means for applying pressure to said substance in said at least one reservoir for producing an expulsive force for delivering a predetermined dose of the substance under pressure from said at least one reservoir through said body outlet and into the animal body cavity;
means for actively controlling said means for applying pressure to effect delivery of the predetermined dose at a predetermined time; and
retention apparatus attached to said body for engaging the walls of the animal body cavity for retaining said body in the animal body cavity during delivery of the substance.
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Accused Products
Abstract
According to one aspect of the present invention there is provided a substance delivery device (1) capable of insertion into a body cavity of an animal, including delivery apparatus (11) capable of actively being controlled to deliver a substance to an outlet, and retention apparatus (2, 3) capable of retaining the substance delivery device within the body cavity of an animal. In one embodiment, a microprocessor (18) can be remotely programmed to enable control over the delivery device after it is placed in the animal. The microprocessor (18) can also communicate with an external device to enable the operation of the delivery device to be determined. The invention may also include sensors to monitor the environment around the delivery device, to determine when a substance sod be delivered into the body.
49 Citations
20 Claims
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1. Substance delivery device for actively delivering at least one substance in either or both solid and fluid form into a body cavity of an animal into which the substance delivery device is inserted, said substance delivery device comprising:
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a body having an outlet to the animal body cavity;
at least one reservoir within said body containing a substance;
means for applying pressure to said substance in said at least one reservoir for producing an expulsive force for delivering a predetermined dose of the substance under pressure from said at least one reservoir through said body outlet and into the animal body cavity;
means for actively controlling said means for applying pressure to effect delivery of the predetermined dose at a predetermined time; and
retention apparatus attached to said body for engaging the walls of the animal body cavity for retaining said body in the animal body cavity during delivery of the substance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification