摘要:
A medical device may include an insertion device having a proximal end, a distal end, and a lumen extending therethrough. A snare device may be configured to transition between a retracted state within the lumen of the insertion device, and an extended state extending distally of the insertion device. The snare device may comprise a wire. A member may be disposed within the lumen of the insertion device. The member may be configured to maintain legs of the snare device in an open snare loop configuration in the extended state. In the open snare loop configuration, the wire may include an arcuate loop.
摘要:
A brace that includes a chin support for stabilizing a patient's chin in a fixed relative position. More specifically, the chin support is maintained in a fixed position through the use of additional mechanisms such as a chest plate, an articulating arm, or a telescoping arm. The brace is used to stabilize a patient's chin when the patient's chin is placed upon the chin support.
摘要:
A method for navigating therapeutic, diagnostic or imaging agents in a vascular network or body cavity is introduced. The method is characterized by high directional gradients and a high magnetic field strength. The latter is used to saturate the magnetization of magnetic therapeutic agents such that when combined with high directional gradients, improved navigation of the magnetic therapeutic agents can be provided at various depths within a patient's body.
摘要:
A system for magnetically suspending tissue includes a grasper placement tool, a tissue grasper, a magnetic coupling element, and a tether which secures the magnetic coupling element to the tissue grasper. The grasper placement tool is used to simultaneously introduce both the tissue grasper and the magnetic coupling element to a body cavity. The grasper then releases the magnetic coupling element and engages a target tissue structure. The tissue grasper is then detached from the placement tool and a conventional laparoscopic or other grasper is used to engage the magnetic coupling element to an external magnet.
摘要:
The brace comprises: a chest plate; a chin support; a rod having a top surface, the rod adjustably attached to the chest plate; and an adjustable linkage connected to the top surface and to the chin support. The brace is used to immobilize a Patient' s chin relative to The Patient' s spinal column, or The Patient' s chest, or both when the Patient's chin is placed upon the chin support.
摘要:
A surgical system includes an external anchor, an internal anchor and an instrument. The extemal anchor is adapted to be positioned outside a body. The internal anchor is adapted to be inserted into the body via a single entrance port, positioned inside the body and magnetically coupled with the external anchor. The instrument is adapted to be inserted into the body via the single entrance port and secured to the internal anchor. The instrument includes an end-effector that has multiple degrees of movement via multiple axes.
摘要:
A steerable catheter system to perform a transseptal puncture procedure comprises a steerable catheter shaft with at least one inner lumen, and an inner element slidably positioned within a shaft lumen, wherein the distal tip of the shaft can be deflected, counter-deflected, rotated, and counter-rotated and wherein the inner element can be deployed or retracted. In one embodiment, a single steerable catheter is capable of performing an intended procedure and a transseptal procedure all in one, wherein the catheter comprises an outer steerable catheter and an inner element which can be deployed to perform a transseptal puncture, and wherein, once the inner element crosses the inter-atrial septum, the catheter itself can slide forward without advancement of the inner element.
摘要:
Ein Endoskopiesystem (10) umfasst ein Endoskop (14) mit einem in einen Patienten (2) einbringbaren Arbeitsabschnitt (16), auf den vermittels eines Magnetfeldes (36) eine Kraft ausübbar ist, und einen außerhalb des Patienten (2) platzierbaren Magneten (26), der einen Magnetkörper (28) mit einem Felderzeugungsbereich (30), in dem das Magnetfeld (36) erzeugt wird, und eine zum Arbeitsabschnitt (16) hin ausrichtbare Austrittsfläche (32) für das Magnetfeld (36) enthält, wobei der Magnetkörper (28) einen sich vom Felderzeugungsbereich (30) zur Austrittsfläche (32) hin verjüngenden Feldtrichter (34) umfasst, der das Magnetfeld (36) in seinem Inneren zur Austrittsfläche (32) hin bündelt.
摘要:
The various embodiments disclosed herein relate to modular medical devices, including various devices with detachable modular components and various devices with pivotally attached modular components. Additional embodiments relate to procedures in which various of the devices are used cooperatively. Certain embodiments of the medical devices are robotic in vivo devices.