41 results about "Endoscopic sinus surgery" patented technology

A multifunction device for endoscopic surgery including a supply means for the supply of at least one fluid and forceps or a clamp which comprise forceps-shaped electrodes with jaw parts for high-frequency surgery. The supply means is formed to dissect tissue by means of a fluid jet at or in a jaw part of the forceps or clamp. The multifunction device is one for both water jet surgery and high-frequency coagulation and / or cutting that occupies no more space than a conventional high-frequency instrument or conventional forceps or clamps.

The present disclosure relates to systems and methods for controlling pressure during percutaneous and endoscopic surgeries, including percutaneous renal procedures, endoscopic uterine procedures, transurethral endoscopic procedures for the bladder or prostate, or any percutaneous or endoscopic procedure. The system can include a sheath and / or endoscope each having an inflow port providing access to an inflow channel extending from the inflow port to a distal portion of the sheath, and an outflow port providing access to an outflow channel extending from the outflow port to the distal portion of the sheath. The sheath can also include a pressure sensor configured to generate a pressure measurement, and an electronic processor configured to control fluid through at least one of the inflow port and the outflow port based on the pressure measurement.

A surgical navigation system employs an endoscope (30) and an imaging unit (80). The endoscope (30) include an electromagnetic tracker (40) within a working channel of endoscope (30) for generating electromagnetic sensing signals indicative of one or more poses of the endoscope (30) within an anatomical region, and an endoscopic camera (50) within an imaging channel of the endoscope (30) for generating endoscopic images of the anatomical region. The imaging unit (80) executes an intraoperative calibration of the electromagnetic tracker (40) and the endoscopic camera (50) as a function of an image registration between the preoperative scan image of a calibration site within the anatomical region and one or more endoscopic images of the calibration site within the anatomical region.

A device and method are provided for flushing during endoscopic surgery to solve the problem of debris in the operating cavity. Included is the ability of reversing the inflow and outflow channels of the endoscope to make possible the beneficial cleaning of the ports of the endoscope from debris and e.g. bone particles without a need for removal of the optical instrument during such flushing procedure and consequently avoiding loss of pressure in the body cavity and spillage. Increased flushing occurs by providing a pressure-holding valve in the proximal opening of the double-channel endoscope, where the optical instrument is inserted, making it possible to remove the optical instrument and then enable the full channel of the endoscope sheath to be used for efficient evacuation of debris without loss of pressure in the operating cavity or spillage on the floor.

This invention discloses a muscle segregator for scope thyroid operation, which is made by binding handle, swivel, fixed rod, movable rod and oscillating rod. The fixed rod is cylindrical-style and the handle is fixed connected with its trail, and the movable rod thrill through the fixed rod and is limited to move at radial the longitudinal direction of the fixed rod; the head end of the oscillating rod is a blunt point, and the trail end of the oscillating rod hinges with the head end of the fixed rod; the head end of the movable rod mobile links with the oscillating rod, and there is screw thread on the trail end of the movable rod; the swivel is in the front of the handle, and its female thread is matched with the screw thread on the trail end of the movable rod. In scope operation, this muscle segregator can unfold thyroid by poking sub-hyoid muscle instead of cutting off it. It solves the problem of unclear operation field and slow resume after operation because of bleeding and damage.

The invention discloses a trocar balloon expander which comprises a trocar, a push rod, an expansion balloon and a one-way inflation tube, wherein the expansion balloon which can expand after being inflated for manufacturing an endoscopic surgery space is arranged at the end of the trocar; the push rod which is used for ejecting the expansion balloon, so that the expansion balloon is implanted into a clearance under an incision through a relatively small surgery incision after deforming; the one-way inflation tube is connected with an inflator pump and can inflate the expansion balloon, so that surrounding tissues of the slot clearance under the surgery incision pushed and the clearance under the incision expands and enlarges to form the endoscopic surgery space. An expansion balloon taking device is arranged at the front end of the push rod; and the expansion balloon can be separated from the trocar end and taken out through a trocar inner cavity after surgery space expansion is finished. The trocar balloon expander is simple in structure and convenient to use, is applied to a few of endoscopic surgeries, has the function of the balloon expander in the early stage, can be used for manufacturing the endoscopic surgery space; the expansion balloon at the trocar end can be separated out after the endoscopic surgery is finished, so that the trocar balloon expander has the function of the trocar for use in the surgery, and is ingenious in structure, high in usability, safe and reliable.

The invention discloses a special postoperative lower jaw support for endoscopic thyroid surgery through the oral vestibule. The special postoperative lower jaw support comprises a head cap, a preauricular elastic belt, a postauricular elastic belt and a lower jaw support body; the preauricular elastic belt is vertically arranged; the upper end of the preauricular elastic belt is connected with the head cap; the lower end of the preauricular elastic belt is connected with the lower jaw support body; the postauricular elastic belt is arranged in an inclined mode; the upper end of the postauricular elastic belt is connected with the head cap; the lower end of the postauricular elastic belt is connected with the lower jaw support body. According to the special postoperative lower jaw support for the endoscopic thyroid surgery through the oral vestibule, the lower jaw support body is pulled through the preauricular elastic belt and the postauricular elastic belt and accordingly two pulls are produced; the pull is produced under the lower jaw through the preauricular elastic belt, the pull is produced in front of the lower jaw through the postauricular elastic belt, and accordingly the subcutaneous portions in front of and under the lower jaw can be effectively compressed so as to reduce the postoperative swelling, prevent bleeding, shape the lower jaw, reduce the probability of complications and reduce the pain of a patient; the preauricular elastic belt and the postauricular elastic belt have the elasticity and accordingly a wearer can talk conveniently during wearing and usage and the comfortable and stable effect is achieved.

Provided is a system(3) for endoscopic surgery in which a storage unit (50) associates and stores a command for controlling a peripheral apparatus for each operator and each technique of an endoscope operation with whether each respective command is valid therewith. A display interface (51) receives a designation of the operator and the technique. An input speech signal conversion unit (62) recognizes the inputted speech and converts the inputted speech into a text character string. A speech recognition determination unit (59) refers to the storage unit (50) and determines whether the text character string which is obtained in the input speech signal conversion unit (62) matches a command which is set to be valid for the operator and the technique which are designated with the display interface (51). A control unit (41) halts a transmission process to a corresponding peripheral apparatus for a command which is determined to be invalid by the speech recognition determination unit (59).

The invention discloses an endoscopic surgery system aiming at endometrial repair and applications of the endoscopic surgery system, belonging to the technical field of medical apparatus and instruments. The system comprises a multi-cavity sleeve with a plurality of processing channels, a visible imaging system, a sacculus placement apparatus, a flexible apparatus and the like, wherein the multi-cavity sleeve is provided with a large processing channel, a visible endoscope channel, flexible apparatus channels and water outlet channels; the visible imaging system is used for providing a visible environment in the endometrial repair process, and is placed in the visible endoscope channel; the sacculus placement apparatus is used for conveying a collagen membrane into the uterus, spreading the collagen membrane, keeping the attaching state of the collagen membrane and the uterus wall, and conveying the collagen membrane into the uterus through the large processing channel of the multi-cavity sleeve; the flexible apparatus is used for enabling the collagen membrane to reach the preset repair position and flat spreading the collagen membrane after the collagen membrane is placed into the uterus. With the endoscopic surgery system, the examination for the uterus wall, the placement and spreading of the collagen membrane, the tight attaching of the collagen membrane to the uterus wall and other operations can be realized under the visible condition, and therefore, the surgery success rate and efficiency are greatly improved.

An instrument for endoscopic surgery includes a shaft having active and inactive portions, the active portion being reciprocable relative to the inactive portion. First and second operative elements are pivoted to the inactive portion of the shaft along substantially the same longitudinal plane. A handpiece includes an active and inactive branch hinged together, movement of the active and inactive branches of the handpiece together or apart shifting the active portion of the shaft relative to the inactive portion of the shaft.

This invention discloses a subsurface segregation rod for scope thyroid operation, which is made by binding handle and segregation rod body. The front end of the body is a spindle, whose two ends are slender and the midst is thick. Because the forepart of the subsurface segregation rod is a leaning spindle-shaped, it will not injury skin, muscle and blood vessel facilely; the middle-part width of spindle is quite big, so the once segregation zone is large, this can shorten operation period; it is a metal devise and is very weightily, so it can be handled easily and continuously force, and it can avoid sudden damage for loss of manual control. This invention has simple structure and is easy to process, and its manufacturing cost is low.

The invention relates to a device for creating cavities under magnetic traction actions. The device is applicable to endoscopic neck surgery, and is characterized by comprising a magnetic device (1) and support arms; the magnetic device (1) is arranged on the surface of a skin (2), and the support arms are arranged below a layer of the skin (2) and can be attracted by the magnetic device (1) on the surface of the skin (2) to outwardly move, so that the surgical cavities can be created; the support arms include an upper-layer support arm (3) and a lower-layer support arm (6) which are movably connected with each other by a rivet (4); the support arms are made of materials capable of being magnetically attracted. The device has the advantages that only relatively concealed positions of the necks of patients need to be slightly incised, the device can be used for surgical approach and postoperative drainage, and beautifying effects can be realized; the purposes of minimally invasive surgery can be achieved; surgical trauma can be reduced; surgical incision can have high degrees of freedom of selected positions.

The invention relates to the technical field of medical instruments, and discloses a spinal minimally invasive soft-hard integrated endoscopic surgery system, which comprises: a fixing frame, an adjusting arm, a minimally invasive surgery channel, a soft-hard mirror, a soft-hard mirror channel connecting ring and a host, wherein one end of the adjusting arm is connected with the fixing frame, andthe other end of the adjusting arm is connected with the minimally invasive surgery channel; the soft-hard tube comprises a hose and a hard tube; an image acquisition head is arranged at the first endof the hard tube; the hose is connected with a second end of the hard tube; a signal line of the image acquisition head is led out of the hose and connected with the host; the first end of the hard tube extends into the minimally invasive surgery channel; the second end of the hard tube is fixed on the edge of the minimally invasive surgery channel through the soft-hard mirror channel connectingring. The spinal minimally invasive soft-hard integrated endoscopic surgery system is simple in structure, light in weight, small in size and small in occupied surgery operation space, and the adjusting arm can adjust the orientation arbitrarily, so that the clamping position of the minimally invasive surgery channel can be adjusted; when a doctor adjusts the working channel according to conditions, an ideal surgery position can be rapidly positioned, and the flexibility of surgery operation is enhanced.

The invention discloses a pharmaceutical composition after chronic nasosinusitis endoscopic sinus surgery. The pharmaceutical composition is prepared from the following raw materials (active components) in parts by weight: 12-28 parts of radix scutellariae, 10-20 parts of herba houttuyniae, 10-20 parts of taraxacum, 6-14 parts of Fructus Forsythiae, 6-14 parts of radix bupleuri, 6-14 parts of radix angelicae, 6-14 parts of cocklebur fruit, 6-14 parts of magnolia flower and 4-8 parts of licorice. The invention overcomes the defects of medicines after the existing chronic nasosinusitis endoscopic sinus surgery, and provides a pharmaceutical composition with favorable effects after chronic nasosinusitis endoscopic sinus surgery.

A specimen retrieval system for easier tissue removal during endoscopic surgery. The devices include a specimen tube with a main tube, and a mechanism for pulling and everting the distal end of the tube into the tube, or a side channel provided within the tube. The mechanism may include a tether fixed to the distal edge of the tube, or a grasper operable to grasp the distal edge of the tube.

This invention discloses a thyroid debonder for scope thyroid operation, whose structure is: debonder body is rod-like, and its front end is a blunt-pointed substance, whose root has a ring groove; the back end is fixed connected with handle. When using, enlace sterile pledget on the debonder front end and tie and mount on the the ring groove by yarn; post the debonder front end to operation space through handle hole. The sterile pledget of the debonder front end appresses gland surface, and along with the gland nature radian strip gland surface tissue softly in various directions. This can show thyroid and its upper, middle and down blood vessels and nerve, so this can avoid damnifying blood vessels and bleeding.

To provide suction forceps for endoscopic surgery which are capable of quickly aspirating a fluid such as blood or another body fluid without requiring reinsertion of a dedicated aspiration tube even when there is leakage of blood or another body fluid during surgery, and consequently, also make it possible to prevent the duration of surgery from lengthening. Thus, suction forceps for endoscopic surgery are provided which are equipped with: a hollow section formed in a body section; a gripping part which manages tissue during surgery, and is formed at the tip end of the body section on one side thereof; and a suction port which is formed so as to be connected to the hollow section, and aspirates body fluid that has leaked from the tissue or blood that was effused during the surgery.

The invention provides an aspirator for an endoscopic surgery. Particularly, the aspirator for the endoscopic surgery comprises a holding portion, a suction tube body portion and a suction tube top end portion, wherein the suction tube top end portion comprises a top end body portion and a top portion convex surface, a top suction hole is formed in the top portion convex surface, and a top-side suction hole is further formed in the suction tube top end portion. Parts of openings of the top-side suction hole are positioned in the top portion convex surface and the other parts of openings are positioned in the side face of the top end body portion, and the top end body portion is optionally provided with top suction holes. The aspirator for the endoscopic surgery is suitable for the endoscopic surgery, particularly for a thoracoscopic surgery, can not only suck effectively, but also can obviously reduce or eliminate tissue damage in a surgery process.

The invention discloses a nasal mucosal protective device for an endoscopic sinus surgery passage; the protective device is surrounded by a nylon textile layer; a passage is formed at the interior after the nylon textile layer surrounding; one end of the passage is a stretching-out end, and the other end of the passage is a stretching-in end. The device also includes an air bag used for supportinga nasal cavity opening and arranged between the stretching-out end and the stretching-in end. The device can effectively protect mucosa of the inner wall of a nasal cavity by putting the device in the nasal cavity in advance, and unnecessary damage to the mucosa of the nasal cavity and a normal anatomical structure caused by the repeated access of an instrument in the operation process is avoided; moreover, the device can well adapt to the environment in the nasal cavity, even if the instrument impacts on the nasal passage, the device can also well decompose the impact force, and plays a highprotection effect on the inner wall of the nasal cavity. At the same time, even if a small amount of bleeding blood exists in the nasal cavity mucosa, through a self-woven dense mesh structure of theprotective device, the protective device can prevent the bleeding blood from flowing to an operation region of the bottom of the nasal cavity, maintains clearness of an operation field and an endoscopy lens, greatly saves the operation time, increases the safety of operation and reduces the risk of operation.

The invention relates to a medical instrument (10) for endoscopic surgery, comprising: a handle (12) comprising a distal end and a proximal end; a connecting piece (14) arranged in the region of the proximal end of the handle (12) ), wherein the handle tube (12) and the connector (14) are axially passed through by the same channel (50) for the elongated operating member (42) to pass through; the medical device also has a ) and includes an end piece (16) mounted thereon for handling the handle (54) of the medical device (10); The locking slider (18) in the angularly oriented borehole (22), wherein the locking slider (18) protrudes from the connecting part (14) with an actuating zone (20) and each time the finger presses the actuating zone (20) can be operated to a locked position and an unlocked position, so that the end piece (16) engaged to the connecting piece (14) is positively locked on the connecting piece (14) in the locked position and in the locked position. The unlocked position can be detached from the connecting piece (14), and the locking slider (18) is held in the locked position by the spring force of the spring element (24), wherein the spring element (24) is arranged on In the channel (22) between the operating area (20) and the channel (50).

The invention discloses a pharmaceutical composition for chronic nasosinusitis after endoscopic surgery. The pharmaceutical composition is prepared from following raw materials by weight: 12-28 parts of radix codonopsis, 12-28 parts of prepared rehmannia root, 10-20 parts of Chinese angelica, 10-20 parts of bighead atractylodes rhizome, 6-14 parts of white paeony root, 6-14 parts of pseudo-ginseng and 4-8 parts of licorice. The raw materials are active components. Lack of drugs after the endoscopic surgery for the chronic nasosinusitis at present is overcome. The pharmaceutical composition with good treating effects for the chronic nasosinusitis after the endoscopic surgery is provided.

The invention in particular relates to a pneumoperitoneum real-time pressure-stabilizing suction apparatus for endoscopic surgery, for solving the problem that the surgery effect is influenced due todecrease of the pneumoperitoneum pressure during wound bleeding cleaning and seepage of the existing endoscope surgery. A suction mechanism is arranged between a suction head and a suction pipe; the suction mechanism comprises a pipe-shaped shell, a conical pipe is fixed at the left end of the inner wall of the pipe-shaped shell, an air collecting pipe is arranged at the right end of the conical pipe, air return pipes are radially arranged at the right end of the air collecting pipe, each air return pipe is provided with a one-way non-return valve element and an air filtering plug, air-liquidseparation plates are arranged in the conical pipe, an air collecting hole is formed in the center of each air-liquid separation plate, a plurality of liquid separating holes are formed in the side wall of the conical pipe, and the centers of the liquid separating holes are located on a helical line parallel to a helical line of the air-liquid separation plate. For the pneumoperitoneum real-time pressure-stabilizing suction apparatus for endoscopic surgery provided by the invention, air directly returns into the abdominal cavity of a patient, thus the loss of air in the abdominal cavity is greatly reduced, meanwhile, the efficiency of the endoscopic surgery is improved, and the surgical risk is reduced.

The invention relates to an intestine obstruction suite for the endoscopic surgery. The intestine obstruction suite comprises a sleeve capable of containing injection liquid, wherein the sleeve is provided with an injection hole, a one-way liquid injection valve is mounted on the injection hole, and a plurality of spinous parts are arranged on the outer wall of the sleeve. During the endoscopic surgery, the irrelevant intestines are prevented from entering the operating field, so that the operating field is sufficiently exposed, and meanwhile, the position of a Trocar hole is not occupied, sothat the intestine obstruction suite is very suitable for popularization for use.