There is provided an endoscope of which a structure is simple and co-rotation of an external cable can be prevented.

A fixing member to be rotated integrally with a knob in a direction around an axis is disposed in an operation unit body, and a part of a light guide in a longitudinal direction is fixed by a fixing part of the fixing member. A light guide-insertion space is formed between the fixing part and a distal end-side opening portion in the operation unit body. A light guide is inserted into and disposed in the light guide-insertion space so that tension is not applied to the light guide present between the fixing part and the distal end-side opening portion even in a case where the fixing member is rotated in the direction around the axis by the knob.

The present disclosure relates to a magnetic trap system (1000) comprising: a microscopic device (300), comprising a principal axis extending in a longitudinal direction; a trap (100) for magnetically confining the microscopic device in a confinement region (CR); a receptable zone (RZ) for receiving biological mattermatter (400, 800), the receptable zone (RZ) comprising the confinement region (CR); a mechanical device (200) for providing a relative movement between the receptable zone (RZ) and the microscopic device (300);

wherein the trap (100) is hollow about a longitudinal axis (A), comprises the receptable zone, and provides a magnetic field gradient configured to confine the microscopic device to the confinement region (CR) of the trap (100); wherein the orientation of the magnetic field in the confinement region (CR) is to align the microscopic device in the confinement region (CR) with the longitudinal axis (A) of the confinement region.

A surgical system for performing a surgical procedure includes an ex-vivo positioning mechanism and an in-vivo instrument magnetically attracted to the ex-vivo positioning mechanism. The in-vivo instrument can be positioned within a patient by moving the ex-vivo positioning mechanism. In addition, the surgical system includes a percutaneous member introducible into the patient independent from the ex-vivo positioning mechanism, the percutaneous member comprising a connector at a distal end thereof, wherein the connector is selectively couplable to the in-vivo instrument within the patient.

A control method, a control system, an electronic device and a readable storage medium for a capsule endoscope are disclosed. The method comprises: obtaining the initial distance H between the capsule endoscope and an external magnetic field generating device based on magnetic field information when the capsule endoscope is positioned in the vertical direction of the magnetic field generating device in an initial state; presetting a target area according to the force balance of the in vivo capsule endoscope, and adjusting the distance between a second permanent magnet and the capsule endoscope to locate the capsule endoscope in the target area; monitoring the acceleration of the capsule endoscope, and determining the vertical component of acceleration of the capsule endoscope; and adjusting the current of the electromagnetic induction coil according to the vertical component of the acceleration to finely adjust the force balance of the capsule endoscope in the target area.

Systems and methods are disclosed for medical devices which can operate within a person in connection a medical procedure. In aspects of the present disclosure, a system for assisting with a surgical procedure includes a swarm of medical devices sized to be wholly deployed within a surgical site of a patient where the swarm of medical devices is configured to operate concurrently within the patient to assist a surgeon to perform a surgical procedure in the patient. The swarm of medical devices includes a first medical device that includes an imaging system configured to capture a view of at least a portion of a surgical site and to communicate the captured view, and a second medical device that includes one or more of a retracting device, an irrigation device, a suction device, a clipping device, a therapy delivery device, or a cutting device.

A tracking system for tracking a marker device for being attached to a medical device is provided, whereby the marker device includes a sensing unit comprising a magnetic object which may be excited by an external magnetic or electromagnetic excitation field into a mechanical oscillation of the magnetic object, and the tracking system comprises a field generator for generating a predetermined magnetic or electromagnetic excitation field for inducing mechanical oscillations of the magnetic object, a transducer for transducing a magnetic or electromagnetic field generated by the induced mechanical oscillations of the magnetic object into one or more electrical response signals, and a position determination unit for determining the position of the marker device on the basis of the one or more electrical response signals.

A capsule core and a capsule endoscope are provided. The capsule core includes a printed circuit board module, connecting structures and functional units. The printed circuit board module includes more than more printed circuit boards connected through flexible circuit boards and spaced apart. The connecting structures connect adjacent printed circuit boards. The functional units are mounted on the printed circuit boards or the connecting structures, and at least part of the functional units communicates with the printed circuit boards.

An apparatus includes a shaft, an imaging head, and a processor. The shaft includes a distal end sized to fit through a human nostril into a human nasal cavity. The imaging head includes an image sensor assembly, a plurality of light sources, and a plurality of collimators. At least some of the light sources are positioned adjacent to the image sensor assembly. Each collimator is positioned over a corresponding light source of the plurality of light sources. The processor is configured to activate the light sources in a predetermined sequence. The image sensor assembly is configured to capture images of a surface illuminated by the light sources as the light sources are activated in the predetermined sequence.

A growing rod for mounting between attachment mechanisms that are secured to anatomical structures of a patient having scoliosis. The growing rod includes an outer housing and an inner housing disposed within the outer housing. The inner housing includes a magnet assembly including a magnet having a first pole and a second pole and a gear reduction mechanism coupled to the magnet. A first rod is secured to the inner housing and a second rod is secured to the outer housing. The gear reduction mechanism reduces an output rotation of the magnet to rotate a driver that operates to move the inner housing along a longitudinal axis with respect to the outer housing.

A system for propelling a magnetic robotic device through a human comprises a magnetic actuator device operable to generate a rotating magnetic field, and a magnetic robotic device comprising a compliant body and at least two permanent magnets supported by and spatially separated about the compliant body. A non-magnetic region can also be oriented between the at least two permanent magnets. The at least two permanent magnets can be alternating or non-alternating in polarity with each other. In response to application of the rotating magnetic field generated by the magnetic actuator device and that is situated proximate the magnetic robotic device, the rotating magnetic field effectuates undulatory locomotion of the magnetic robotic device to propel the magnetic robotic device through a human, such as through a natural lumen. Further, the magnetic robotic device can optionally be supported by a catheter or endoscope to assist with propelling a distal end through a human.