14 results about "Laparoscopy" patented technology

The electric anastomat for the endoscope comprises an installation cylinder and a driving piece, the installation cylinder is fixedly connected with the driving piece, the output end of the driving piece is fixedly connected with a transmission rod, and the outer surface wall of the transmission rod is connected with a pushing cylinder in a screwed mode, and the pushing cylinder is connected with the inner surface wall of the installation cylinder in a sliding mode. In the application, the positioning rod is rotated to enable the open end of the positioning rod to abut against the outer surface wall of the moving cylinder, so that the fixing of the moving cylinder and the mounting cylinder is realized through friction force, subsequently, the driving piece drives the transmission rod to rotate, the transmission rod drives the pushing cylinder to translate, the pushing cylinder is in contact with the transmission block, and the transmission block drives the rack to move and stretches the spring; the rack is meshed with the tooth column to drive the tooth column and the movable anastomosis plate to deflect until the movable anastomosis plate and the fixed anastomosis plate complete anastomosis operation, and therefore the overall length of the electric anastomat can be adjusted, and meanwhile the orientation of the movable anastomosis plate and the orientation of the fixed anastomosis plate can be conveniently adjusted according to requirements.

The utility model relates to the technical field of laser technology, and provides a pump laser and electronic equipment. The pump laser comprises a focusing unit, a fundamental frequency optical oscillation cavity unit and a frequency doubling unit. The fundamental frequency optical oscillation cavity unit comprises a vertical external cavity surface emitting laser chip, a first cavity mirror and a second cavity mirror. The incident side of the focusing unit is used for receiving pump light, the vertical external cavity surface emitting laser chip is arranged on the emergent side of the focusing unit, the first cavity mirror is arranged on the emergent side of the vertical external cavity surface emitting laser chip, the frequency doubling unit is arranged on the emergent side of the first cavity mirror, and the second cavity mirror is arranged on the emergent side of the second cavity mirror. The second cavity mirror is arranged on the emergent side of the frequency doubling unit; wherein the focusing unit is used for focusing the pump light on the surface of the vertical external cavity surface emitting laser chip; the fundamental frequency light oscillation cavity unit is used for carrying out oscillation amplification on fluorescent light emitted by the vertical external cavity surface emitting laser chip, so that the fluorescent light forms fundamental frequency light; the first cavity mirror is used for reflecting the fluorescent light and / or the fundamental frequency light so as to emit first reflected light to the frequency doubling unit and emit second reflected light to the vertical external cavity surface emitting laser chip; the frequency doubling unit is used for carrying out frequency doubling on the first reflected light and emitting frequency-doubled laser to the second cavity mirror; the second cavity mirror is used for reflecting the frequency-doubled laser back to the first cavity mirror; the first cavity mirror is also used for outputting the frequency-doubled laser; and the vertical external cavity surface emitting laser chip is also used for emitting new fluorescent light to the first cavity mirror under the excitation of the second reflected light. Therefore, the stability of the laser output by the pump laser can be improved, and the line width and noise can be reduced.

The invention belongs to the technical field of medical instruments, and particularly relates to a catheter for protecting a stoma intestinal canal in an operation, the catheter comprises a catheter main body, the outer surface of the catheter main body is fixedly sleeved with a bag, and both sides of the outer wall of one end of the catheter main body are fixedly provided with butterfly fixators; a silicone tube is fixedly connected to the outer wall of the end, close to the butterfly fixator, of the bag, and a valve is fixedly connected to the tail end of the silicone tube. The bag almost wraps the whole catheter body, after liquid or gas is injected, an expansion bag with the uniform diameter can be formed, walking of the intestinal canal is shown, an operator can observe the stoma intestinal canal under an endoscope, in addition, the bag can be conveniently inserted into the coiled intestinal canal through the stoma and straighten out the intestinal canal, and the bag can be fixed to the skin and is convenient to use. And finally, the expansion degree of the bag can be correspondingly adjusted according to the use condition of a patient, so that the intestinal canal is prevented from being expanded by the excessively expanded bag.

The utility model provides a hysteroscope endometrium stimulation device. The hysteroscope endometrial stimulation device comprises: an outer tube; the handle is fixedly mounted at the bottom end of the outer tube; the sliding sleeve is fixedly mounted on the inner wall of the bottom of the outer pipe; the threaded sleeve is mounted on the inner wall of the sliding sleeve in a sliding manner; the telescopic mechanism is arranged on the inner wall of the sliding sleeve, and the telescopic mechanism is used for controlling the threaded sleeve to stretch out and draw back; the angle adjusting mechanism is arranged at the top end of the threaded sleeve, and the angle adjusting mechanism is used for controlling the angle of the stimulation mechanism; and the stimulation mechanism is arranged on the angle adjusting mechanism, and the stimulation mechanism is used for stimulating the endometrium. The hysteroscope endometrial stimulation device has the advantages that the hysteroscope endometrial stimulation device has a telescopic function, the angle of the stimulation rod can be adjusted, and the hysteroscope endometrial stimulation device is convenient to operate.

The invention discloses a lens self-cleaning thyroid laparoscope, comprising a laparoscope body, a sleeve and a scrubbing device, wherein the cleaning sleeve is sleeved on the laparoscope body, and a transparent plate parallel to the lens of the laparoscope body is provided at the end of the cleaning sleeve; the scrubbing device comprises a rotating driving mechanism, a driving rod, a pull rope and a scrubbing belt, and arc-shaped sliding grooves are provided on both sides of the sleeve; the cross section of the driving rod is an arc-shaped, and the driving rod passes through the sliding groove and can rotate around the axis of the sleeve in the sliding groove, and the front ends of the two driving rods are respectively connected to the two ends of the scrubbing belt through the pull rope, and the rotating driving mechanism drives the two driving rods to rotate along the sliding groove, and the two driving rods move up and down in the sliding groove at the same time, and the driving rod pulls the scrubbing belt to scrub up and down close to the surface of the transparent plate through the pull rope, and the pull rope is elastic. The lens self-cleaning thyroid laparoscope of the invention can automatically clean the laparoscope lens, and there is no need to take it out for manual cleaning, thereby improving efficiency.

The utility model relates to a medical endoscope heat preservation device which is used for fixing and preserving heat of a medical endoscope and comprises a cylinder body, and an inlet allowing the endoscope to enter is formed in the upper surface of the cylinder body. Any end of the rubber sealing strip is arranged at the position, close to the inlet, of the upper surface of the barrel through a positioning pin, and the end, away from the positioning pin, of the rubber sealing strip surrounds the inlet in the clockwise or anticlockwise direction to form a fixing hole for fixing an endoscope tube of the endoscope. The rubber sealing strip shields a gap between the inlet in the upper surface of the cylinder body and the endoscope tube; the adjusting mechanism comprises a supporting ring and an adjusting ring, the supporting ring is coaxially and rotatably arranged on the upper surface of the barrel, the supporting ring is coaxially and rotatably sleeved with the adjusting ring, the inner surface of the adjusting ring is connected with the end, away from the positioning pin, of the rubber sealing strip through a connecting rod, and the supporting ring is provided with a receding opening allowing the connecting rod to penetrate through. By arranging the adjusting ring and the rubber sealing strip, the endoscope tube fixing device can adapt to endoscope tubes of different sizes.

The utility model belongs to the field of surgical instruments for gynaecology and obstetrics, and particularly relates to a hysteroscope with an endometrium collector. The hysteroscope comprises a horizontally-arranged hysteroscope body, a sleeve is fixed to the bottom of the hysteroscope body, a traction rod in left-right sliding fit with the sleeve is horizontally arranged in the sleeve, a sampling head is fixed to the left end of the traction rod, and a storage assembly used for storing the sampling head is arranged at the right end of the sleeve. According to the hysteroscope sampling device, the left end of the sleeve enters the uterus of a patient along with the hysteroscope body, the traction rod is pushed to enable the sampling head to make contact with the inner wall of the uterus of the patient, the sampling head is controlled to rotate in the uterus through the traction rod, endometrium is collected to the sampling head, and the sampling head is collected into the storage assembly by pulling the traction rod. The storage assembly is taken down from the sleeve, and the endometrium is stored in the storage assembly in a short time, so that the activity of cells is kept as much as possible, and the examination accuracy is improved.

The lung lobe forceps for the endoscope comprise a first forceps arm and a second forceps arm, the second forceps arm is hinged to the first forceps arm, grips are arranged on the side walls, deviating from each other, of the tail ends of the first forceps arm and the second forceps arm, and the front ends of the first forceps arm and the second forceps arm are bent in the same direction to form a first arc bent part and a second arc bent part respectively. A first forceps head is arranged at the end, away from the first forceps arm, of the first arc bent part, a second forceps head is arranged at the end, away from the second forceps arm, of the second arc bent part, the first forceps head and the second forceps head are water-drop-shaped forceps bodies in the same shape, and water-drop-shaped clamping holes are formed in the first forceps head and the second forceps head. The opposite side walls of the first forceps head and the second forceps head are provided with at least one set of non-damage teeth which are meshed with each other. The ends, away from the first clamp arm, of the first clamp head and the second clamp head are large-diameter ends, and the large-diameter ends and the arc bent parts are bent together to form protruding parts. According to the lung lobe forceps for the endoscope, the mechanical principle is better met when the lung lobe is clamped and pulled at various angles, the operation is more flexible and lossless, and the operation efficiency and the safety in the operation process are improved.

The utility model discloses a hysteroscope with an integrated channel structure, which comprises a shell, a sterile cover arranged at the end part of one horizontal side of the shell and a front tube extending out of the other horizontal end part of the shell, and the integrated channel structure is arranged in a cavity formed between the shell and the sterile cover. The integrated channel structure comprises a horizontally-arranged sleeve, a first water valve and a second water valve, the first water valve and the second water valve are arranged on the upper portion and the lower portion of the sleeve respectively, a rotary flow divider is arranged in the sleeve, the horizontal end of the rotary flow divider is connected with the front pipe, and a rotary driving structure is arranged at the other end of the rotary flow divider and drives the rotary flow divider to drive the front pipe to rotate in the axial direction. The hysteroscope with the integrated channel structure is simple in structure, the number of parts is reduced, the instrument cost is reduced, meanwhile, the installation efficiency is improved, the error rate generated during installation is reduced, and the overall stability, sealing performance and water leakage prevention performance of the hysteroscope are improved.

Surgical robot systems for remote manipulation having robotic telemanipulators are provided. The surgical robot systems are well adapted for use by the surgeon, seamlessly integrateable into the operation room, allow for a surgeon to work between the robot and the patient throughout a surgery in a sterile manner, are relatively low cost, and / or permit integrated laparoscopy. The system preferably includes a master console having a plurality of master links interconnected by a plurality of master joints, and a handle coupled to the master console for operating the telemanipulator. The system further includes a slave console operatively coupled to the master console and having a plurality of slave links interconnected by a plurality of slave joints that move responsive to movement at the master console to permit an end-effector to perform surgery.

This invention relates to the field of surgical medical device technology, specifically to a laparoscopic purse-string forceps, comprising a clamp, a handle, and a shaft. The clamp includes an upper clamp and a lower clamp, and the handle includes an upper handle and a lower handle. Both the upper and lower handles have movable cavities. A first rotating shaft and a second rotating shaft are fixedly connected to the top and bottom of the upper and lower clamps, respectively. The first and second rotating shafts pass through the bottom walls of the upper and lower handles, respectively, and both are hinged to pistons located within the movable cavities. The sides of the movable cavities away from the first and second rotating shafts are connected to tracheas. A first connecting rod and a second connecting rod are hinged to the sides of the upper and lower handles away from the movable cavities, with the first and second connecting rods hinged together. The shaft contains a pull rod connected to a handle assembly and a corresponding drive assembly. This invention designs a purse-string forceps that can be used in conjunction with a laparoscopy to assist in purse-string suturing within the abdominal cavity.

The present invention relates to a stereoscopic fluorescence endoscope secondary optical magnification and image relay system based on a dual optical path design. The optical system increases the optical axis spacing of a conventional dual optical path laparoscope from 4-5mm to more than 10mm through a secondary image relay magnification design, and ensures that the image quality is not lost while magnifying the image surface. The relay system includes a first-stage image relay magnification group, a steering prism group, and a second-stage image relay magnification group. For any optical path system, the endoscope imaging optical system divides the imaging light channel into a visible light channel and a near-infrared fluorescence channel. This system can increase the optical axis spacing of the existing dual optical path laparoscope to a reasonable size through the design of a secondary optical magnification and image relay system, so as to solve the problem that the existing camera system is too large and cannot realize the synchronous camera of the dual optical path laparoscope.

The present invention discloses a multi-phase stable adaptable abdominal wall puncture device for laparoscope, which is characterized by being composed of a universal adaptable base, a special adaptable sheath, a universal tightening cap, a transfer cap, a universal adaptable needle core and a special cone tube cap. The universal adaptable base has a universal adaptable interface, and the special adaptable sheath has a universal adaptable socket, which is connected to the universal adaptable interface, and the special sheath of the special adaptable sheath can be narrowed into models with different inner diameters of the sheath; the universal tightening cap tightens and fixes the connection between the universal adaptable base and the special adaptable sheath; the universal adaptable needle core is combined with special cone tube caps of different thicknesses to meet the needs of abdominal wall puncture sheaths of different thicknesses when used for abdominal wall puncture. The present invention realizes that an abdominal wall puncture device base can be respectively connected in a combined manner with multiple sheaths of different thicknesses and lengths, meeting different clinical needs and saving resources.

The utility model relates to an endoscopic electrotome sheath fixing device, which is characterized in that firstly, a fixing seat, a bandage and a binding convex column are arranged, so that the endoscopic electrotome sheath fixing device can be stably arranged on an endoscopic in a sleeving manner, and a firm fixing effect is realized through winding connection of the bandage and insertion of the binding convex column. A locking device is further arranged, and through cooperation of a supporting plate, a locking clamp and a locking belt, clamping and fixing of the electrotome sheath are achieved. In the sliding process of the locking belt, the locking clamp can be driven to move or deform, so that the clamping hole is tightened, and the electrotome sheath is firmly clamped. Thus, the electrotome sheath can be conveniently and rapidly clamped and fixed, the clamping effect is reliable, the electrotome sheath can be effectively prevented from sliding accidentally in the operation process, the problem of misoperation is effectively avoided, the stability and reliability of operation are improved, the complexity of repeated adjustment of medical staff in the operation process is avoided, and the operation efficiency is improved. And the operation efficiency is improved.