157 results about "Operative instrument" patented technology

A surgical instrument extends through a guide tube in a minimally invasive surgical system. The instrument may be an operative instrument or a camera instrument. One or more illumination devices, such as LEDs, are place on a side of the instrument. A cooling channel in the instrument cools the illumination device(s).

Devices, systems and methods for transvascular interstitial interventions, including transvascular, catheter based vascular bypass, transmyocardial revascularization, bypass grafting of blood vessels, and interstitial surgical/interventional procedures wherein a catheter is advanced translumenally through the vasculature to a desired location and an operative instrument is passed through the wall of a blood vessel and to a target location (e.g. another blood vessel, an organ, a tumor, another anatomical structure) such that one or more operative devices may be advanced to the target location to perform the desired operative or interventional procedure.

A robotically controlled endoscopic medical instrument that includes an end effector coupled to a wrist. The wrist provides two separate degrees of freedom about the same pivot point. The end effector can be moved and actuated by pins. The pins allow for a compact minimally invasive medical instrument that has a wrist with two degrees of freedom.

An overtube for use with an endoscopic surgical instrument. In various embodiments, the overtube may comprise a hollow tubular member that has an implantable tip detachably affixed to a distal end thereof. The implantable tip may have at least one retention member formed thereon to retain the tip within an organ wall. The implantable tip may further have a lumen extending therethrough to form a passageway through the organ wall. A plug member may be provided to selectively seal off the lumen within the implantable tip.

The invention discloses an image-guided lung interventional operation system which comprises an image acquiring module, a lung region reconstruction module, a lung respiratory movement model construction module, an operative instrument and operative region image space mapping module, a dynamic focus space-positioning and guide module and an another image acquiring module. The image acquiring module is connected with the lung region reconstruction module which is connected with the lung respiratory movement model construction module, the lung respiratory movement model construction module is connected with the dynamic focus space-positioning and guide module, and the another image acquiring module is connected with the operative instrument and operative region image space-mapping module which is connected with the dynamic focus space-positioning and guide module. Real-time space positioning of dynamic focuses is achieved, early diagnosis of carcinogenesis of lung nodule can be achieved, and error of space positioning precision is within 2mm.

A connector assembly for connecting a surgical saw blade to a housing of a surgical instrument. The connector assembly allows a surgeon to align, insert and lock the surgical blade in the collet of the surgical instrument without any special tools, and further provides a stable and robust platform for mounting the surgical saw blade thereto. The connector assembly includes a tapered conical shaped sleeve which is positioned within the housing and rotatable in both a clockwise and counter-clock wise direction. A pair of grippers are mounted within the connector assembly and engage the surgical saw blade when the tapered conical shaped gripper sleeve is rotated in a first position. A sternum guard is also mounted to the housing.

A cannula assembly for the maintenance of an operative pneumoperitoneum in a patient comprising an elongated cannula having a proximal end and a distal end. A removable valve is securely arranged in the proximal end of the cannula to provide a seal and minimize the escape of gas introduced into the patient's pneumoperitoneum when an operative instrument is passed therethrough.

An operative instrument includes forceps having a treating section for treating an anatomy at an extremity and being provided with a heat-generating body for generating heat to be provided to the anatomy and a power supply unit for supplying electric power to the heat-generating body of the forceps. The operative instrument raises the temperature of the heat-generating body by supplying substantially constant electric power to the heat-generating body. Therefore, coagulation and incision of the anatomy can be performed satisfactorily.

The present invention relates to an operative instrument positioning method by adopting infrared reflecting ball as marker point. Said method includes the following steps: respectively defining internal parameter and first order radial distortion parameter of left and right cameras; calculating rotation matrix and translation vector characterizing relative position relationship of left and right two cameras; utilizing infrared light source to irradiate guide frame in which three infrared reflecting balls are mounted; shooting to obtain left and right two images containing elliptical images of infrared reflecting balls and making distortion correction; combining elliptical images of left and right image planes which are undergone the process of distortion correction and directly and linearly calculating projection points of three infrared reflecting ball cores; matching said projection points and reconstructing ball core coordinates of three infrared reflecting balls; finally utilizing coordinate conversion to obtain the coordinate of tip end working portion of operative instrument.

The invention discloses a multimode image navigation system for an ultrasonic guidance operation. An ultrasonic image system acquires preoperative image data and stores the preoperative image data to a preoperative data module, and the ultrasonic image system extracts the preoperative image data to construct human three-dimensional model data and stores the human three-dimensional model data to a preoperative data module. A locating module acquires position information of an ultrasonic probe in an operative instrument and the ultrasonic image system and transmits the position information to the ultrasonic image system. The ultrasonic image system extracts the human three-dimensional model data stored in the preoperative data module and matches the position information with the human three-dimensional model data. A display module acquires and displays the information matched by the ultrasonic image system. Images are presented in real time in an operation by locating an operative area through real-time ultrasonic data according to the preoperative image data and the human three-dimensional model data, the operative instrument is accurately located according to the locating module, and the position of the operative instrument in a human model is presented.

Surgical navigation system: 3D display system with see-through visor; a tracking system for real-time tracking of: surgeon's head, see-through visor, patient anatomy and surgical instrument to provide current position and orientation data; a source of an operative plan, a patient anatomy data and a virtual surgical instrument model; a surgical navigation image generator to generate a surgical navigation image with a three-dimensional image representing simultaneously a virtual image of the surgical instrument corresponding to the current position and orientation of the surgical instrument and a virtual image of the surgical instrument, the see-through visor, the patient anatomy and the surgical instrument; the 3D display system configured to show the surgical navigation image at the see-through visor, such that an augmented reality image collocated with the patient anatomy in the surgical field underneath the see-through visor is visible to a viewer looking from above the see-through visor towards the surgical field.

The invention discloses a core-less puncture outfit, comprising a puncture point, a thimble assembly and a seal assembly, wherein the thimble assembly comprises a thimble arranged in a penetrating manner, one end of the thimble is selectively sealed by the seal assembly, the other end of the thimble is accommodated in the puncture point and selectively opened or closed by the puncture point, and the puncture point can be connected to the outside wall surface of the other end of the thimble. The core-less puncture outfit disclosed by the invention is convenient in use and low in cost, the core-less puncture outfit is not provided with a puncture core bar as the traditional puncture outfit, puncture of the puncture outfit is realized by the puncture point, and when an anastomat or other operative instruments need to enter an abdominal cavity, the port of the thimble is opened for the anastomat or other operative instruments to enter.

In order to improve a surgical holding device for holding a surgical instrument, with a frame, with a first linkage comprising at least two links, which articulatedly connects the frame to a first articulation point associated with the instrument, and with a second linkage comprising at least two links, which articulatedly connects the frame to a second articulation point associated with the instrument, so that a large range of action of the surgical instrument held by the holding device is adjustable as simply as possible, it is proposed that the links of the first linkage be mounted for pivotal movement about pivot axes relative to one another and relative to the frame, and that the pivot axes extend parallel to one another.

The invention relates to a transmission assembly, a driving assembly, a sterile assembly, an instrument box assembly, an operative instrument system, and an operative robot. Guiding faces are arrangedon a transmission disc constituting the transmission assembly, thus jointing parts can be accurately positioned and jointed through the guiding faces, thus quick and accurate jointing of the operative instrument system is achieved, the coupling failure phenomenon is avoided, and safety and effectiveness of the operative robot are improved.

The invention discloses an automatic tracking system for an operative region of a laparothoracoscope. The automatic tracking system comprises a controller, an operative instrument, an image collecting module, an image caching module, an operative region identifying module and an image display module, wherein the controller is used for monitoring a minimally invasive surgery process in enterocoelia and thoracic cavity; the operative instrument is arranged in an instrument channel of the laparothoracoscope, is connected with the controller and is used for performing the minimally invasive surgery in the enterocoelia and thoracic cavity; the image collecting module is arranged in a shooting channel of the laparothoracoscope, is connected with the controller and is used for shooting the images of the organs and the minimally invasive surgery process in the enterocoelia and thoracic cavity; the image caching module is connected with the controller and is used for storing the images in the enterocoelia and thoracic cavity; the operative region identifying module is connected with the controller and the image caching module and is used for identifying the image of the operative instrument in the shot images; the image display module comprises a whole image display module and an operative region image display module and is used for displaying the image of the minimally invasive surgery process. The automatic tracking system for the operative region of the laparothoracoscope can automatically track the local image of the operative region in real time while realizing the panorama image display and also can freely amplify the local image.

A fine surgical instrument tip-cleaning device including a box-like cleaning unit that provides an outer abrasive cleaning surface and internal cleaning surfaces. The internal structure of the device consists of a transverse abrasive cleaning strut, which can be straddled by instruments such as forceps or bipolar cautery tips. The sidewalls of the cleaning box also contain abrasive cleaning lateral surfaces, which approximate the central cleaning strut. The lateral surfaces have a springiness, which permits the entrance of instrument tips into the box while maintaining constant contact of the abrasive cleaning surfaces against the instrument. In this fashion, effective removal of debris, coagulate and other substances are possible from surgical instruments even from the internal surfaces of forceps-type instruments. Easy introduction into the cleaning unit and back and forth motion of an instrument provides effective cleaning of the latter.

The invention belongs to the field of medical appliances, and particularly relates to an intelligent electronic endoscope system passing through natural orifices. The intelligent electronic endoscope system is suitable for a colposcope system, an anorectal endoscope system and a hysteroscope system, and comprises an electronic endoscope, an endoscope clamping mechanical arm for fixing the electronic endoscope, a movable adjustment operating platform, an intelligent robot-arm, a control desk and a central processing system, wherein the tail end of the main body of the endoscope is provided with a linear type robot-arm passage running through a hard working end part. By using the intelligent electronic endoscope system, a patient needs no operation, only the electronic endoscope is put inside through the natural orifices, and the intelligent robot-arm is put into an operation area by taking the intelligent robot-arm passage of the electronic endoscope as a platform; and the intelligent robot-arm is miniaturized, deformable and direction-changeable and simultaneously is provided with functions of a plurality of operative instruments (such as operative snap-on tongs, electric cutting equipment, electric coagulation equipment and the like), and thus, various operation treatments can be performed without introducing other instruments, and the difficulty of operations and the paint of patients are reduced.

The invention discloses a left abomasal displacement operative reduction apparatus for cattle. The left abomasal displacement operative reduction apparatus is applied to the field of animal medicine and is an operative instrument for treating left abomasal displacement for the cattle. The operative reduction apparatus comprises a reduction needle transmitting device and reduction needles with line binding holes. The reduction needle transmitting device comprises three transmitting tubes and a sensing positioning device. The left abomasal displacement operative reduction apparatus has the advantages that abomasal fixing lines can be accurately, efficiently and stably conveyed to target positions on the right sides of abomasal walls of the ill cattle without opening the right sides of the abomasal walls of the cattle; the probability of injury to the cattle due to reduction needle conveying errors can be eliminated; the conveying distances of the reduction needles can be increased owing to a retractable handle, so that the abomasa of the cattle with different body sizes can be assuredly reduced to perfect positions; potential risks caused after the reduction needles penetrate the abomasal wall of the cattle and fly out can be prevented; only one operative person is required for performing left abomasal displacement on the cattle by the aid of the operative reduction apparatus and can independently complete operation without assistants.

The present invention provides a steric direction finder with simple structure. Said steric direction finder can be used for accurately feeding the operative instrument into targe point when the operation on human or animal cranium and brain can be made. Said invention includes the following several portions: base plate which is made up by using high-strength rare earth engineering plastics or other material and does not produce pseudoimage interference when the image scanning process is made, fixed nut with guide hole, bow-shaped alpha angle measurer with angular scale, bow-shaped beta angle measurer with angular scale and fastener for regulating tightness.

The invention provides an instrument holding mechanical arm used for a minimally-invasive robot, and relates to the instrument holding mechanical arm. The instrument holding mechanical arm solves the problems that the number of passive joints is large when an existing mechanical arm is arranged in a concentrated mode and the existing mechanical arm is large in overall size and low in rigidity when a passive arm is too long. The instrument holding mechanical arm comprises vertical horizontally-moving safety brake devices, passive joints, first joints, second joints and an integrated operative instrument drive device. One ends of the passive joints are arranged on the upper portions of the vertical horizontally-moving safety brake devices in a rotatable mode. One ends of the first joints are connected to the passive joints in a rotatable mode. One ends of the second joints are connected with the other ends of the first joints in a rotatable mode. The integrated operative instrument drive devices are arranged at the other ends of the second points. The instrument holding mechanical arm is used for operative instrument drive of the micro operative instruments of the robot.