Controlled detachment of intra-luminal medical device
First Claim
1. A medical device for placement within a body lumen of a patient, the device comprising:
- a device housing sized for introduction into the body lumen;
a fixation mechanism to attach the device housing to a surface within the body lumen; and
a detachment mechanism to selectively detach the device housing from the surface of the body lumen.
2 Assignments
0 Petitions
Accused Products
Abstract
An intra-luminal medical device includes a fixation mechanism to attach the medical device to tissue within a body lumen, and a detachment mechanism to permit selective detachment of the medical device from the tissue attachment site without the need for endoscopic or surgical intervention. An electromagnetic device may be provided to mechanically actuate the detachment mechanism. Alternatively, a fuse link may be electrically blown to detach the medical device. As a further alternative, a rapidly degradable bonding agent may be exposed to a degradation agent to detach the medical device from a bonding surface within the body lumen. The medical device may eliminate problems associated with uncertain and inconsistent detachment of intra-luminal medical devices.
71 Citations
66 Claims
-
1. A medical device for placement within a body lumen of a patient, the device comprising:
-
a device housing sized for introduction into the body lumen;
a fixation mechanism to attach the device housing to a surface within the body lumen; and
a detachment mechanism to selectively detach the device housing from the surface of the body lumen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. A method for attaching and detaching a medical device within a body lumen of a patient, the method comprising:
-
positioning the medical device at a target location within the body lumen;
activating a fixation mechanism carried by the medical device to attach the medical device to a surface within the body lumen; and
activating a detachment mechanism carried by the medical device to detach the medical device from the surface of the body lumen. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
-
-
48. A medical device for placement within a body lumen of a patient, the device comprising:
-
a device housing sized for introduction into the body lumen;
means for attaching the device housing to a surface within the body lumen; and
means for detaching the device housing from the surface of the body lumen in response to a control signal, wherein the attaching and detaching means are carried by the device housing. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56)
-
-
57. A medical device for placement within a body lumen of a patient, the device comprising:
-
a device housing sized for introduction into the body lumen;
a fixation mechanism to attach the device housing to a surface within the body lumen, wherein the fixation mechanism includes a cavity formed in the device housing, the cavity including a vacuum port for application of vacuum pressure to draw luminal tissue into the cavity, and a shaft to capture the luminal tissue within the cavity; and
a detachment mechanism to detach the device housing from the surface of the body lumen in response to a control signal, wherein the detachment mechanism includes an actuator to release the shaft from the tissue. - View Dependent Claims (58, 59, 60, 61)
-
-
62. A medical device for placement within a body lumen of a patient, the device comprising:
-
a device housing sized for introduction into the body lumen;
a fixation mechanism to attach the device housing to a surface within the body lumen, wherein the fixation mechanism includes bonding agent; and
a detachment mechanism to detach the device housing from the surface of the body lumen in response to a control signal, wherein the detachment mechanism includes a degradation agent to rapidly degrade the bonding agent. - View Dependent Claims (63, 64, 65, 66)
-
Specification