126 results about "Endoscopic operations" patented technology

An instrument for use in endoscopic surgery in human or animal bodies, said instrument, in particular, being insertable into said body through a channel of an insertion instrument.The invented instrument is distinguished by the instrument comprising at least one operating element disposed at the distal end thereof and one oblong introduction and control component connecting in the operating element to the proximal region, and the operating element and the introduction and control component being joined in such a manner via a connecting mechanism that the operating element can be disconnected intracorporally from the introduction and control component and can be reconnected thereto.

A videoendoscopic surgery training system includes a housing defining a practice volume in which a simulated anatomical structure is disposed. Openings in the housing enable surgical instruments inserted into the practice volume to access the anatomical structure. A digital video camera is disposed within the housing to image the anatomical structure on a display. The position of the digital video camera can be fixed within the housing, or the digital video camera can be positionable within the housing to capture images of different portions of the practice volume. In one embodiment the digital video camera is coupled to a boom, a proximal end of which extends outside the housing to enable positioning the digital video camera. The housing preferably includes a light source configured to illuminate the anatomical structure. One or more reflectors can be used to direct an image of the anatomical structure to the digital video camera.

Disclosed is a disposable access port for use in endoscopic procedures, including laparoscopic procedures. The access port includes a cannula with an embedded camera in communication with an external control box. In operation, a trocar is combined with the access port to facilitate insertion of the access port into an anatomical site. Prior to insertion, the camera is pushed inside the cannula, where it remains during insertion. The trocar is removed after the access port has been inserted to allow surgical instruments to access the anatomical site. During removal of the trocar, a portion of the trocar urges the camera out of the cannula, thereby allowing visualization of the anatomical site. The camera can be fixedly or adjustably mounted on the port. A camera may also be mounted on the trocar. The trocar may include irrigation and suction channels to facilitate a clear view of the anatomical site.

The present invention provides a two-part robotic device for positioning of a hand tool, comprising: a. a fixed base unit constantly fix to its position; b. a detachable body unit reversibly coupled to said fixed base unit, coupled to said current medical instrument; wherein said fixed base unit is adapted to provide independent movement to said hand tool, said independent movement selected from the group consisting of rotation and translation, and further wherein said detachable body unit is removable and replaceable from said fixed base unit such that upon exchange of said hand tool for a second hand tool, said second hand tool is placed in substantially the same location as the location of said hand tool prior to said exchange.

The present invention is directed to a medical device, such as an endoscopic device, configured to be loaded into a channel of an endoscope prior to insertion of the endoscope into a body, and a method of performing an operative procedure with an endoscopic device. The endoscopic device comprises an elongate member for insertion into the channel of the endoscope, wherein a length of the elongate member is greater than a length of the channel of the endoscope. The endoscopic device also comprises a distal assembly connected to a distal portion of the elongate member and operable to perform an endoscopic operation, wherein the distal assembly has an open configuration and a closed configuration with a profile larger than a diameter of the channel of the endoscope, wherein the distal assembly is adapted to be exterior to the channel when the endoscope is inserted into the body.

The present invention relates to a system of laparoscopic instruments that provides the possibility of an effective and fast laparoscopic / endoscopic suturing method in order to facilitate 5 laparoscopic / endoscopic operation. The system consists of the following main parts: a novel, specially made laparoscopic instrument that in one end has a specially made needle through which a thread can be fed; a novel, specially made laparoscopic instrument that in one end has a specially made needle that has the capability of receiving and holding 10 the end of the thread, a novel, special clips machine and a new clip; a novel thread feeder, eventually integrated in a forceps; and specially made double forceps.

An endoscopic surgical device for retrieving severed tissue or foreign bodies from within a subject is disclosed. The device comprises a support unit and a tissue retrieving net system. The net system is carried by the support unit and may be inserted into the subject through an orifice or small incision and operated to retrieve tissue that has been severed by a conventional method. The net system comprises a net, a net actuator, a net deployment and retrieval assembly for transmitting motion between the net and its actuator. The net system further comprises at least one net connector disposed such that only one connector is within an articulation zone, defined by locations of severe bending of the device during operation.

A method and apparatus for monitoring an endoscopic examination are provided in an embodiment of the present application, wherein each key frame of a medical image acquired by a gastrointestinal endoscope is recognized by depth learning technology, an image recognition result and a first examination score are obtained, then, according to the image recognition result, the key frames with the digestive system viscera anatomy part as the target part are taken as digestive endoscopic images, and each digestive endoscopic image is filled in the image filling frame of the corresponding target part in the pre-configured image filling area, and the number of unfilled image filling frames is counted to generate the second examination score; then, each filled digestive endoscopic image is analyzed and recognized by image analysis, and a third examination score is generated according to the result of image analysis and recognition, and finally, an endoscopic examination monitoring result is generated according to the first examination score, the second examination score and the third examination score. Thus, the intelligent quality control can help the operator to complete the endoscopic operation better and improve the detection rate of lesions.

A surgical instrument suitable for endoscopic operations having a gripping handle, tubular body and an operational tip. Jetting outlets laterally disposed at the operational tip provides for jetting pressurized liquid delivered by the tubular body. The jetting outlets are configured as to emit converging jets. Two or more jets converge at a convergence point laterally displaced at a predefined distance from the surface of the operational tip. The operational tip includes a heating member having an active face for contact heating a bleeding tissue. A rotating mechanism provides for independently rotating the jetting outlets and the active surface of the heating member relative to the gripping handle. A method for regulating the operating temperature of the heating member is provided.

The invention relates to a single-optical fiber scanning micro device as well as a production method and a control method thereof. The single-optical fiber scanning micro device is formed by wrapping an optical fiber with four pieces of piezoelectric ceramics, wherein a coating at the tail end of the optical fiber is removed, both ends of the four piezoelectric ceramics blocks are bonded around the optical fiber, a section of naked optical fiber is reserved, the four pieces of piezoelectric ceramics form a square cavity, the outer walls of the four pieces of piezoelectric ceramics are respectively provided with leads by tin soldering, the inner walls of the four pieces of piezoelectric ceramics on the cavity are conducted by conductive adhesives and are provided with one lead, the conducing wires of the two opposite pieces of ceramics in the horizontal direction are connected, and the leads of the two opposite pieces of ceramics in the vertical direction are connected. The single-optical fiber scanning micro device produced by the method has the advantages of short length, small size, good scanning repeatability, easy obtainment of raw materials, easy processing and low manufacturing cost, thereby having favorable application prospects on optical precise instruments as well as illumination devices, signal collection device and other devices in the field of clinical endoscopic operations.

A measuring endoscope system includes a menu display module that selects a menu according to display data which is associated in advance with any of a plurality of optical adaptors, and a measuring program for performing measurement according to the result of the selection performed by the menu display module. Consequently, in the measuring endoscope system, when a user designates an optical adaptor using an optical adaptor selection screen image displayed on an LCD by the menu display module, a measuring technique associated with the optical adaptor is automatically selected. When a user wants to perform measurement using the measuring endoscope system, the user should merely press a measurement execution switch included in an endoscopic operation unit. Thus, measurement in which the selected measuring technique is implemented is carried out. Consequently, the present invention has succeeded in improving the maneuverability of a measuring endoscope system in measurement and improving the efficiency thereof in inspection.

In the present invention, there are provided a movement member which includes an engaging section, which is engaged with an intermediate part of an operation shaft of a joystick device, and operates as one body with the operation shaft at a time of performing an inclining operation of the operation shaft, and a damper case in which the movement member is movably inserted, and which holds a viscous fluid which increases a sliding resistance of the movement member when the movement member is moved. Thereby, a desired operational sensation can be always obtained, and a stable bending operation can be performed.

An endoscopic operation device by which accuracy of treatment can be enhanced. The endoscopic operation device comprises a treatment tool (201) with a moving function, having a treating portion (202) with a treatment function and being inserted into the channel of an endoscope (101), a means for setting the reference position O of treatment by the treatment tool (201) and the reference direction D for the reference position O, a means for detecting the moving state of the treatment tool (201) in the reference direction D with respect to the reference position O, and a means for controlling the moving function or the treatment function based on the moving state.

The invention relates to a device of anti-fogging endoscope system and its method, falling in the minimally invasive medical technical field, wherein a near-infrared lighting source for anti-fogging is added on the basis of the traditional endoscope system, a beam of which is coupled into the lighting transmission path in color combination, and changes material properties of a distal optical window plate to transmit the visible light, ensuring that surgical filed is lighted by white light, while the temperature of the distal optical window plate is elevated by absorbing energy of the near-infrared light to reduce the temperature difference between the distal optical window plate of endoscope and a human body, to realize the purpose of anti-fogging. Comparing the invention with anti-fogging ways of preheating with physiological saline, smearing anti-fogging oil, and so on, as to the doctor's performances, the invention has the more convenient and easier advantages, and there is not a latent risk of incompletely disinfecting when using physiological saline, anti-fogging oil and so on, which is suitable to be used in various endoscopic operations, and is specially suitable to be used in the endoscopic operations wherein the endoscope needs to be repeatedly inserted into the human body and drawn out from the human body, in order to play the effect of anti-fogging.

A simulation system for training in endoscopic operations includes an endoscope apparatus, including at least one input for inserting an endoscopic working instrument, a sensor arrangement to detect a movement of the endoscopic working instrument, a control device to generate a virtual image of an endoscopic operation scene depending on a movement of the endoscopic working instrument, transmission means to transmit measured values supplied by the sensor arrangement to the control device for use in generating the virtual image and a display device to display the virtual image, where the sensor arrangement includes at least one optic sensor that interacts with a surface of a shaft of the endoscopic working instrument to detect the movement of the endoscopic working instrument. A flexible endoscope, an endoscopic working instrument and a method for recording a movement of an endoscopic working instrument as well as a method for training in endoscopic operations.

Example embodiments relate to surgical devices, systems, and methods. The system may include an end-effector assembly. The end-effector assembly may comprise an instrument assembly and a wrist assembly. The instrument assembly may comprise an instrument for performing a surgical action. The instrument assembly may further comprise an instrument driven portion configurable to be driven in such a way as to move the instrument relative to a first axis. The instrument assembly may further comprise an instrument insulative portion providable between the instrument and the instrument driven portion. The instrument insulative portion may be configurable to electrically isolate the instrument from at least the instrument driven portion when the instrument insulative portion is provided between the instrument and the instrument driven portion. The wrist assembly may include a wrist driven portion configurable to be driven in such a way as to move the instrument relative to a second axis.

The invention relates to an LED illumination light source device using LED complementary color light, which can realize illumination light source with a high color rendering index and belongs to the technical field of semiconductor illumination. Based on the known white light LED illumination light source device, a complementary color light luminous chip which is packaged by mixing a blue light LED luminous chip and a red light LED luminous chip is introduced, white light emitted by a white light LED luminous chip and the complementary color light emitted by the complementary color light luminous chip are synthesized into the white light with the high color rendering index through a color combining device, and the white light is coupled to an incident surface of an optical fiber through afocus coupling optical component and output through an emergent surface of a light-transmission optical fiber. The LED illumination light source device has the advantages of high color rendering index (the color rendering index reaches more than 90) and high reliability and efficiency without increasing optical extended amount of a white light source, and is particularly suitable for a system, such as endoscopes, surgical operation microscopes, and the like, which requires high color rendering index, has limited optical extended amount and is based on an optical fiber transmission illumination ray.

A retractor for endoscopic surgery, having a first shaft portion, in which an actuation device is movable, and a second shaft portion coupled pivotably thereon. A transmission arm is articulated on a distal end of the actuation device. A retraction structure is connected to a distal end of the second shaft portion, which retraction structure can be releasably coupled, with its other end, to the second shaft portion via a coupling device. The coupling device has a slide, which is guided in the second shaft portion. The transmission arm is articulated on the second shaft portion by way of a peg-and-slot connection and is operatively coupled to the slide in order to move the latter longitudinally, wherein the coupling device can be transferred to a release state by longitudinal movement of the slide. An operating method for the retractor is also disclosed.

A device for simulating an endoscopic operation via natural orifice, including a physical model of a biological organ including main and inlet modules detachable from each other. The main module may define a main body of the organ with a cavity and the inlet module may define an inlet opening to the cavity of the main module corresponding to the inlet of the biological organ. The cavity of the main module is accessible through the inlet module by an endoscopic tool to actuate in the cavity of the main module. The main module may be configured in such a way that, in use, one or more simulation modules are attachable with the main module to simulate one or more events representative of the actuation of the endoscopic tool in the cavity of the main module.

An endoscope system or an endoscopic operation training system includes: projectors which project video light indicating a video taken by an endoscope device that allows at least a part thereof to be inserted into patient's body cavity; and a dome type screen having a shape of a projection surface that directs a concave surface toward an operator and assistants, in which the video light is projected onto the projection surface. In a case where an axis that passes through a center of an opening surface thereof and is perpendicular to the opening surface is defined as a first axis, a point where the first axis and the projection surface intersect each other is defined as a projection surface center, and an axis that connects the projection surface center and an edge portion of the projection surface to each other is defined as a second axis, and a tangential line of the edge portion of the projection surface is defined as a third axis, then an angle made by the first axis and the third axis is an angle at which it is possible to observe a whole of the video from the first viewpoint position, and an angle made by the first axis and the second axis is an axis at which it is possible to observe the projection surface center from the second viewpoint position.

The invention discloses a cardiac operation simulator, comprising a pedestal, a heart fixing device, an incision simulation device and a field of view amplification device. The pedestal has a function of supporting the whole cardiac operation simulator; one end of the heart fixing device is fixed on the pedestal, and the other end is fixed on the incision simulation device; and one end of the field of view amplification device and the pedestal are detachably connected, facilitating carrying, and the other end is placed above the incision simulation device. Through the arrangement of the heart fixing device, the heart is firmly fixed, appears obviously and has a relatively strong stereoscopic impression; through the arrangement of an operation control device, a cardiac surgery operating environment is truly simulated; through the arrangement of the field of view amplification device an endoscopic operation can be simulated; the cardiac operation simulator simple in overall structure and convenient to operate, part of the structure adopts detachable connection, and thus the cardiac operation simulator is convenient to carry.

The invention relates to a compound eye structure prepared based on a femtosecond laser and provided with a super-smooth surface, and belongs to the technical field of laser application. The machiningmethod of the compound eye structure comprises the following steps of: carrying out femtosecond laser point-by-point scanning on the surface of glass with a concave spherical surface to form a micro-pit defect array, then etching a glass sample by adopting a hydrofluoric acid (HF) solution to obtain a glass sample with a micro-concave lens array, then machining a porous micro-nano composite structure surface on the sample by utilizing the femtosecond laser again, re-etching the shape of the porous micro-nano composite structure surface by using polydimethylsiloxane (PDMS) by taking the porousmicro-nano composite structure surface as a template to obtain a compound eye structure provided with a porous micro-nano composite structure on the surface, and pouring silicone oil on the micro-nano composite structure surface to obtain a compound eye structure with a super-smooth surface. The machining method of the compound eye structure is high in efficiency, the removal amount of materialsdoes not need to be accurately controlled, and a simple, efficient, good-durability and wide-application-range scheme is provided for clinical endoscopic surgery.

The embodiments of that present application provide the endoscopic image recognition method and device. By acquiring a first number of frame key frames from a unit time video stream in an endoscopically acquired medical image, then, based on the pre-trained anatomical part prediction model, and predicting the anatomical part in each key frame of the first number of frames, a the prediction resultof each key frame is obtained, wherein the prediction result includes the confidence level of each anatomical part in the key frame of the frame. Finally, the prediction result of each key frame is counted, and if the same prediction result exceeds the second number, the corresponding endoscopic image recognition result is output. Thus, the anatomical part in each key frame can be automatically collected and recognized, and the doctor does not need to care about the quantity, quality, and clarity of the collected images, so that the doctor has more energy to focus on the endoscopic operation and observation, thereby lightening the workload of the doctor, improving the examination quality, and reducing the pain of the patient in the examination process.

The present invention is directed to a medical device, such as an endoscopic device, configured to be loaded into a channel of an endoscope prior to insertion of the endoscope into a body, and a method of performing an operative procedure with an endoscopic device. The endoscopic device comprises an elongate member for insertion into the channel of the endoscope, wherein a length of the elongate member is greater than a length of the channel of the endoscope. The endoscopic device also comprises a distal assembly connected to a distal portion of the elongate member and operable to perform an endoscopic operation, wherein the distal assembly has an open configuration and a closed configuration with a profile larger than a diameter of the channel of the endoscope, wherein the distal assembly is adapted to be exterior to the channel when the endoscope is inserted into the body.

A system for performing an endoscopic surgical procedure in a surgical cavity of a patient that includes a multi-lumen tube set including a dual lumen portion having a pressurized gas line and a return gas line for facilitating gas recirculation relative to the surgical cavity of the patient, and a single lumen portion having a gas supply and sensing line for delivering insufflation gas to the surgical cavity of the patient and for periodically sensing pressure within the surgical cavity of the patient, a first gas sealed single lumen access port communicating with the dual lumen portion of the tube set and a second valve sealed single lumen access port communicating with the single lumen portion of the tube set.

The invention provides a visceral organ suspension device for endoscopic surgery, which structurally comprises a basic suspension belt formed by arranging elastic edgings at two ends of a flexible belt-shaped film along the width direction and used for being arranged along the long diameter direction of a visceral organ so as to suspend a visceral organ main body; an additional hanging belt is composed of one or more flexible belt-shaped thin films; one end of each flexible belt-shaped film is pivoted with the basic suspension belt, and the other end of each flexible belt-shaped film is free and is provided with an elastic edge strip along the width direction; the additional hanging belt is used for hanging other parts of the viscera beyond the hanging range of the basic hanging belt; preformed holes are formed in the two ends of the basic hanging belt and the free end of each additional hanging belt and used for being connected with an in-vitro fixing facility after a traction line penetrates through the preformed holes. The device provided by the invention can continuously and stably pull large tissues such as liver and lung lobes, efficiently and clearly reveal the operation view field, slightly presses the pulled tissues, cannot cause damage to the tissues or organs, can be repeatedly used in the same operation, and is simple in structure and convenient to operate.

The invention relates to a bipolar scissors, which is mainly suitable for surgical operation. The bipolar scissors includes a scissor head assembly, a tong rod assembly and a handle assembly. The scissor head assembly comprises an active scissor blade, a loop electrode blade, a passive scissor blade, a pull rod, a pull rod insulating tube, a support frame insulating sleeve, a support frame and a pull rod joint. The passive scissor blade is made of an insulating material, and is positioned between the active scissor blade and the loop electrode blade and insulates the active scissor blade and the passive scissor blade only contacts with the active scissor blade edge. Also provided is a jaw bar assembly connected with a handle assembly, a scissor head assembly passing through the jaw bar assembly, and a front end of the jaw bar assembly and the scissor head assembly are internally threaded. The structure design of the invention is more reasonable, can be disassembled and cleaned, can withstand high temperature and high pressure sterilization, and can be repeatedly used for many times. At that same time, the invention is suitable for human endoscopic operation, reduce the operation risk, has good effect of removing pathological tissue and blood coagulation, shorten the postoperative recovery time of patients, and is safe and reliable to use.

The invention relates to an image processing method and device, an electronic device and a storage medium, and the method comprises the steps: obtaining to-be-processed focus information from image data; obtaining a tissue associated with the focus information from the image data; and performing path planning processing according to the focus information and the tissue along a center line extracted from the tissue to obtain path information for simulating endoscopic operation. By adopting the method and the device, all workflows for path planning by utilizing the virtual endoscope can be simulated, so that the precision and the processing efficiency for realizing data processing by utilizing the virtual endoscope are improved.