109 results about "Oesophagram" patented technology

The invention relates to a degradable drug loading stent and a preparation method of the degradable drug loading stent. The degradable drug loading stent is characterized by comprising a skeleton structure made of a medical degradable metal or an alloy of the metal, a degradable macromolecular transition layer adhered to the surface of the skeleton structure and a drug loading layer. The degradable metal/macromolecular/drug multilayer composite stent provided by the invention has excellent mechanical property, degradable property and biocompatibility, and such drugs as taxol, taxol derivative, actinomycin D, 5-fluorouracil and sirolimus are loaded to the stent to perform active directional treatment on the focus position, so the stent is a functional degradable stent. The degradable multifunctional drug loading stent provided by the invention is suitable for interventional therapy in the blood vessel field and non-blood vessel fields and is especially suitable for interventional therapy of stenosis, obstruction or tumor of such non-blood vessel cavities as esophagus, bile duct, ductus pancreaticus, intestinal tract, urethral canal, trachea and bronchus, etc.

Relatively non-invasive devices and methods for heating or cooling a patient's body are disclosed. Devices and methods for treating ischemic conditions by inducing therapeutic hypothermia are disclosed. Devices and methods for inducing therapeutic hypothermia through esophageal cooling are disclosed. Devices and methods for operative temperature management are disclosed.

A method of creating a noninvasive predictor of both physiologic and imposed patient effort of breathing from airway pressure and flow sensors attached to the patient using an adaptive mathematical model. The patient effort is commonly measured via work of breathing, power of breathing, or pressure-time product of esophageal pressure and is important for properly adjusting ventilatory support for spontaneously breathing patients. The method of calculating this noninvasive predictor is based on linear or non-linear calculations using multiple parameters derived from the above-mentioned sensors.

The invention relates to a swallowable cell sampling device comprising an abrasive material capable of collecting cells from the surface of the oesophagus, and a means for retrieval wherein the means for retrieval comprises a cord, characterised in that the cord is attached to the abrasive material by means of a hitch knot. The invention also relates to kits and methods involving same.

The invention discloses a wisdom medical platform for preventing gastroesophageal reflux and a realization method for the platform. The platform comprises a wearable monitoring terminal, a wireless transmission module and a wisdom medical monitoring software system, wherein the wearable monitoring terminal and the wisdom medical monitoring software system are both connected with the wireless transmission module; an airbag is mounted on the outer side wall of a stomach tube; and a pressure pump is mounted outside the stomach tube and connected with the airbag. Family members of patients or medical monitoring personnel are notified in first time after the gastroesophageal reflux occurs through the wisdom medical monitoring software system, so that the real-time property is good, and higher safety and high efficiency are achieved; and a home, community and hospital integrated remote monitoring system is constructed based on a PC end, a cloud end and a mobile terminal, so that the patients or old people can be remotely monitored, more dysphagia patients or more nasal feeding old people can safely return to the society to perform community or home health care, the hospitalization time is shortened, and medical resources are saved. The platform can be widely applied to the field of medical electronics.

The invention relates to a self-retracting intraesophageal bracket capable of carrying radiation elements for partial radiotherapy. The self-retracting intraesophageal bracket comprises a top ring, a force transmission plate, a bracket body and a thin-film sleeve sleeved on the bracket body, wherein medicine-carrying thin tubes are uniformly distributed on the outer wall of the thin-film sleeve; radiotherapy medicine is loaded in the medicine-carrying thin tubes; the top ring is arranged at one end of the bracket body; the force transmission plate is arranged on the top ring in a penetrating manner through a socket ring; the bracket body consists of telescopic units; each telescopic unit consist of two clamp arms and a plurality of clamp rings; the two clamp arms are in hinge joint; and the lower end of the force transmission plate is arranged on the clamp rings of the telescopic unit at the uppermost end. According to the self-retracting intraesophageal bracket disclosed by the invention, the esophageal stenosis passage can be effectively expanded during food taking, and the esophageal stenosis passage is closed at no food taking state, so that the backflow of gastric content can be effectively prevented, and foreign body sensation of a patient at on food taking state is obviously alleviated; and meanwhile, the radiotherapy medicine is carried by the intraesophageal bracket, plays the effect of partial radiotherapy while support expansion is performed on esophagus, and provides a better route of medication for tumor radiotherapy.

The present disclosure relates generally to a simplified transesophageal echocardiography (TEE) probe mid-handle assembly for actuating the pull cables that control the flexion of the distal end of the gastroscope portion of a TEE probe. The assembly includes a containment frame, two control wheels, two coaxial shafts each coupled to one of the control wheels, with an elongated flexible member wrapped around each shaft. The elongated flexible members may be friction belts, timing ladders, pulley cables, timing belts, or drive tapes to translate the rotational motion of the control wheels into linear motion of the gastroscope pull cables. The assembly may also include a brake switch that, when engaged, applies a resistance to rotation of the shafts and control wheels. In some embodiments, control wheels and containment frame are made of molded plastic, and the elongated flexible members are made of elastomeric compounds moulded over Kevlar, nylon, or metal reinforcement members to reduce stretch and increase life.

The invention discloses a gastroenterological intraesophageal intubation detection device in the technical field of medical equipment. The device comprises a movable base, a first electric push rod isperpendicularly and fixedly connected in the middle of the top of the movable base, the top of the first electric push rod is fixedly connected with a flat plate through a rotating device, a penetrating groove is formed between front and rear of the upper surface of the flat plate, a detection display host with a flashlight on the surface is perpendicularly and fixedly mounted in an inner cavityof the penetrating groove, and a moving column is connected on each of two sides of the penetrating groove in a clamped manner through a penetrating slideway and a bearing front-rear slideway. The flashlight is turned on through a limiting control device, whether a driving gear and a connection gear are meshed or not is judged, a rotating shaft rotates, and a camera can be adjusted for autorotation; at the same time, a screw-nut pair rotates to enable a round plate to move back and forth, and the push rod and a spherical hinge are utilized to enable a mounting plate to deflect to change angleof the camera. The device is convenient to operate, the camera can be adjusted in multiple directions for the convenience of acquiring accurate images, and the device has market popularization value.

A surgical instrument for deploying an anastomotic ring device has a ring deployment mechanism, which is configured to receive and deploy an anastomotic ring. The instrument further comprises a flexible elongate shaft having one or more actuation cables extending therethrough. The shaft also has an imaging element, which is coupled to a camera with a lens located in the tip of the instrument. The instrument may be inserted through the esophagus of a patient to deploy an anastomotic ring device.

The invention discloses an intermittent negative-pressure sputum suction device for a child patient with congenital esophageal atresia, and a using method of the intermittent negative-pressure sputumsuction device. The device comprises a liquid storage bottle, a bottle cap, a processor, an alarm module, an electromagnetic valve control module, an electromagnetic valve, a battery, an AC/DC conversion module, a working mode knob, a touch screen, a liquid level sensor, a negative pressure interface, an air pressure adjusting knob and a barometer, wherein the liquid storage bottle is of a hollowcylinder structure with an opening in the upper end, a threaded opening matched with the bottle cap is formed in the upper end face of the liquid storage bottle, a bottle cap negative pressure pipe isarranged at the circle center of the bottle cap in a penetrating mode and extends into an inner cavity of the liquid storage bottle, the upper end of the bottle cap negative pressure pipe is connected with the output end of the electromagnetic valve, the input end of the electromagnetic valve is connected with the negative pressure interface, the air pressure adjusting knob and the barometer arearranged on the negative pressure interface, and a sputum suction tube interface connected with a sputum suction tube is arranged on the side face of the bottle cap. The intermittent negative pressuresputum suction device for the child patient with the congenital esophageal atresia is simple in structure and convenient to use.

The present invention includes elliptic endoscope and controller. The elliptic endoscope includes casing with transparent body in its front, micro lighting light source, micro image sensor, image memory, image transmission emitter, electrically controlled medicine releasing storage, electrically controlled living body detecting clamp, miniature motor and button battery. The controller consists of radio receiver, image processor, display, radio command emitter and power source. After being disinfected, the endoscope is swallowed by the patient, made to pass through esophagus, small intestine, colon and large intestine and excreted from anus to search and treat the pathological part. The present invention has the advantages of small volume, no pain produced and capacity of examining the whole digestion tract.

The invention discloses a thread-hanging auxiliary magnetic control capsule amplification dyeing endoscope and relates to the technical field of medical instruments. The thread-hanging auxiliary magnetic control capsule amplification dyeing endoscope comprises a capsule-like body, a controller is embedded in one end of the capsule-shaped body; wherein a first slot is formed in the end part of oneend of the capsule-shaped body; a shooting assembly is inserted into the first inserting groove, a second inserting groove is formed in the edge of one end of the capsule-shaped body, a lighting assembly is inserted into the second inserting groove, a supporting assembly is arranged on the outer side of one end of the capsule-shaped body, grooves are formed in the two sides of the other end of thecapsule-shaped body, and driving devices are arranged in the grooves. The capsule-shaped body is provided with the shooting assembly, and the camera on the shooting assembly can shoot and examine theesophagus of a patient; the capsule-shaped body is provided with the lighting assembly, and the LED lamp holder on the lighting assembly provides sufficient light source irradiation for the shootingassembly, so that the inspection precision is improved.

The invention relates to an oesophageal electrode probe (10) for bioimpedance measurement and/or for neurostimulation; a device (100) for transoesophageal cardiological treatment and/or cardiologicaldiagnosis; and a method for the open-loop or closed-loop control of a cardiac catheter ablation device and/or a cardiac, circulatory and/or respiratory support device. The oesophageal electrode probecomprises a bioimpedance measuring device for measuring the bioimpedance of at least one part of the tissue surrounding the oesophageal electrode probe. The bioimpedance device comprises at least onefirst and one second electrode, wherein the at least one first electrode (12A) is arranged on a side (14) of the oesophageal electrode probe facing towards the heart and the at least one second electrode (12B) is arranged on a side (16) of the oesophageal electrode probe facing away from the heart. The device (100) comprises the oesophageal electrode probe (10) and a control and/or evaluation device (30), which is configured for receiving a first bioimpedance measurement signal from the at least one first electrode (12A) and a second bioimpedance measurement signal from the at least one secondelectrode (12B), and comparing same, and generating a control signal on the basis of the comparison. The control signal can be a signal for the open-loop or closed-loop control of a cardiac catheterablation device and/or a cardiac, circulatory and/or respiratory support device.

A controller and method for imaging an area of interest of a region within an object using a transoesophageal echo (TEE) probe of a TEE ultrasound acquisition system are 5 provided. The controller includes a memory that stores instructions, and a processor that executes the instructions. When executed by the processor, the instructions cause the controller to perform a process including causing atransthoracic echo (TTE) probe of a TTE ultrasound acquisition system to emit an ultrasound beam to a selected area of interest of a region within the object; switching the TEE probe to a listening mode, enabling the 10 TEE probe detect and receive the ultrasound beam emitted by the TTE probe; and causing a robot to steer the TEE probe to an imaging location in the object using the detected TTE ultrasound beam. The TEE probe shows the area of interest using ultrasound images acquired from the imaging location.

A 3D echocardiography probe (20) (e.g., a 3D transesophageal echocardiography probe or a 3D intracardiac echocardiography probe) can be adapted into a 3D laparoscopic ultrasound probe (10a) for laparoscopic procedures. The 3D echocardiography probe includes a flexible shaft (22d, 22p) to which a laparoscopic adapter (30a) can be coupled. The laparoscopic adapter comprises a laparoscopic sleeve (31) configured to partially encircle a portion of the flexible shaft of the 3D echocardiography probe and a probe handle (33a) mountable to the laparoscopic sleeve (31).

The invention belongs to the technical field of medical instruments, and particularly relates to an esophageal radiotherapy stent and a preparation method thereof. The esophageal radiotherapy stent comprises a stent body, a first protective layer, a second protective layer and a medicine carrying layer, wherein the stent body is used for supporting esophagus, and the first protective layer is arranged on the periphery of the stent body; the second protective layer is arranged at the periphery of the first protective layer; the medicine carrying layer is arranged at the periphery of the second protective layer, and is used for carrying medicines and controlling the release of the medicines; and the second protective layer is used for bonding the first protective layer and the medicine carrying layer. The esophageal radiotherapy stent is firm in structure, not liable to fall off, high in stability and capable of preventing esophageal restenosis.