3553results about "Surgical saws" patented technology

The teachings generally provide for a hand-held medical robotic system for use with a surgical tool, the system comprising an instrument comprising a hand-held portion, a tool support coupled to the hand-held portion, and an actuator assembly operatively interconnecting to move the tool support in a plurality of degrees of freedom to place the surgical tool and a localizer. The system additionally comprises a control system configured to determine a state of the surgical tool and determine a position and / or orientation of a reference coordinate system relative to a known coordinate system, activate a guided mode based on a first relationship criteria between the state of the surgical tool and the reference coordinate system, and deactivate the guided mode based on a second relationship criteria between the state of the surgical tool and the reference coordinate system, wherein the first relationship criteria and the second relationship criteria are different.

An apparatus, system, and method are disclosed for remediating a condition present in a patient's foot. In some implementations, a resection guide includes a bone engagement feature configured to engage at least a portion of at least one foot bone to position the resection guide. The bone engagement feature may be least partially determined based on a model of the patient's foot, which is defined based on medical imaging of the patient's foot. The resection guide further includes a resection feature that extends through the resection guide from a superior side of the resection guide to an inferior side. The resection feature is configured to guide a cutting tool to form a first osteotomy in a first bone along a first trajectory. Additionally, the resection guide includes a first bone attachment feature configured to engage the first bone and a second bone attachment feature configured to engage a second bone.

The invention discloses an endoscope with a built-in grabbing mechanism, and relates to the technical field of medical instruments. According to the technical scheme, the device comprises a clamp assembly, a driving outer pipe and a driving inner wire; the grabbing mechanism further comprises a grabbing mechanism shell, a first moving seat and a second moving seat, wherein the first moving seat and the second moving seat are arranged in the grabbing mechanism shell. The near end of the driving outer tube is connected with the first moving seat, and the near end of the driving inner wire is connected with the second moving seat; when the second moving seat is fixed relative to the grabbing mechanism shell, the first moving seat moves towards the far end direction relative to the grabbing mechanism shell so as to control the clamp assembly to execute the clamping action. According to the invention, the clamping action is carried out while forward extension is carried out, so that high-precision operation is facilitated, and tissues can be accurately clamped; and moreover, the grabbing mechanism is integrated in the endoscope handle, so that accurate single-hand control is facilitated, meanwhile, the clamping action is controlled in a button mode, the human engineering is met, and operation is convenient.

A patient specific instrument is disclosed for correcting a condition present in a patient. The patient specific instrument includes a body that includes an inferior side having a bone engagement surface shaped to match a first surface of a first bone and a second surface of a second bone of a joint. The instrument also includes a superior side having a first guide feature and a second guide feature that together, with the bone engagement surface overlying the first surface and the second surface, are positioned to guide resection of the first bone and the second bone during a surgical osteotomy for correcting the condition. The body is configured to seat transverse to the joint with the bone engagement surface engaging the first surface of the first bone and the second surface of the second bone.

A metatarsus adductus technique may involve cutting an end of one or both of a second metatarsal and an intermediate cuneiform to create a wedge-shaped opening between the end of the second metatarsal and the intermediate cuneiform. The method may further involve cutting an end of one or both of a third metatarsal and a lateral cuneiform to also create a wedge-shaped opening between the end of the third metatarsal and the lateral cuneiform. The second metatarsal and the third metatarsal can then be moved in a transverse plane to close a metatarsus adductus angle. Movement of the second and third metatarsal may close the wedge-shaped openings forming during bone cutting. With the second and third metatarsals appropriately realigned, the clinician can fixate the moved position of the second metatarsal and the third metatarsal.

The invention discloses a flexible mechanical arm driving system for minimally invasive interventional surgery, a flexible mechanical arm comprises a hollow first sleeve assembly which is coaxially configured, the first sleeve assembly comprises an inner tube and an outer tube, the inner tube and the outer tube are thin-walled tubes, the inner tube is arranged in the outer tube in a penetrating manner, and the inner tube and the outer tube are fixedly connected at the far end part; the inner tube and the outer tube are each provided with a straight tube section at the near end and a deformation section at the far end, and the deformation sections can be bent and deformed when the inner tube is pushed / pulled. The driving system comprises an instrument assembly and a driving module assembly; a driving driven module is arranged in the instrument assembly, and the flexible mechanical arm is connected with the driving driven module; a driving driving module and a PCB control board are arranged in the driving module assembly, the driving driving module is in transmission connection with the driving driven module, and the driving module assembly is used for driving the flexible mechanical arm to do linear, rotating and bending movement. The driving device is used for driving the coaxial antagonism tubular flexible mechanical arm to achieve bending, rotating and linear motion, full-automatic control can be achieved, and the control accuracy and safety are high.

The invention provides a unicompartmental knee arthroplasty robot navigation and positioning system and method. The system comprises a preoperative planning module, a positioning and navigation module and a mechanical arm control module. The preoperative planning module is used for carrying out knee joint segmentation and reconstruction according to the obtained knee joint medical image, carrying out preoperative planning and determining a unicompartmental knee arthroplasty scheme; the positioning navigation module is used for registering the intraoperative solid knee joint and the preoperative knee joint three-dimensional model according to the navigator and the tracer, and tracking the poses of the osteotomy tool and the solid knee joint in real time; and the mechanical arm control module is used for planning a motion path of the mechanical arm and controlling the mechanical arm to execute the motion path. In this way, the mechanical arm can be controlled to assist in completing the osteotomy operation of unicompartmental knee arthroplasty in a preoperative planning and intraoperative optical navigation mode, and the problems that the operation level is uneven and the operation effect is not expected due to different individuals in the current manual operation are solved.

Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device, a reference sensor device, and at least one orthopedic fixture. The surgical orientation device, reference sensor device, and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, or otherwise to assist in an orthopedic procedure(s).

Surgical systems and methods for tracking physical objects near a target site during a surgical procedure are provided, the surgical system employs a navigation system and a surgical instrument; an instrument tracker is provided on the surgical instrument and a patient tracker is provided on the patient's target tissue; the system and method is configured to detect an error condition compromising accuracy of the navigation guidance and to track and monitor a tool-to-bone offset.

The invention relates to the technical field of neurosurgical intelligent operations, and discloses a neuroendoscopic surgery intelligent puncture positioning system based on image navigation, and the system comprises a preoperative modeling module which constructs a preoperative tissue model and a corresponding elastic tensor field based on a three-dimensional medical image of a patient; the image fusion module is used for receiving the data of the preoperative modeling module, collecting intraoperative endoscopic images, predicting the tensor disturbance of tissues through a deep learning model, and feeding back the updated tensor disturbance to the tensor updating module; and the tensor updating module is in two-way communication with the image fusion module and is used for superposing tensor disturbance obtained by processing the intraoperative image with the preoperative tensor. Through fusion of an image navigation technology and preoperative modeling, a three-dimensional positioning frame based on neuroendoscopy operation requirements is constructed, intelligent planning and real-time correction of a puncture path are realized, important brain regions and vascular structures are effectively avoided, intra-operative risks are reduced, and positioning precision and safety are improved.

A rotary tool includes a tool body and a powered rotary cutting tooltip that is oriented and positioned relative to the tool body by a plurality of processor-controlled actuators that provide degrees of freedom. The processor uses a surgical tracking system to identify the pose of the tool body and the tooltip relative to a patient's anatomy and controls the actuators to maintain the tooltip within a predetermined cutting plan to compensate for deviation of a surgeon's hand or a robotic arm controlling the tool body during a cutting operation.

The invention discloses a blocking sheathing canal device for bleeding in a robot bronchoscope operation and a bronchoscope system, and belongs to the technical field of medical instruments. The blocking sheathing canal device comprises a guide pipeline, a blocking balloon, a medium channel and a pressure device; a pipe cavity is formed in the guide pipeline, and the robot bronchoscope enters a focus position through the pipe cavity; the blocking balloon is arranged at the far end of the guiding pipeline, can expand and deform in the radial direction of the guiding pipeline in the pressure state and is used for blocking the bronchus or / and the lumen; the medium channel is arranged on the guide pipeline, the pressure device is communicated with the near end of the medium channel, and a pressure medium is injected into the plugging balloon through the medium channel; under the bleeding condition, the balloon can be rapidly inflated through the pressure device at the near end of the guide pipeline, so that the balloon is expanded and deformed to completely block the gap between the guide pipeline and the bronchus, the emergency bleeding in the robot bronchoscope operation is blocked, and the safety of the robot bronchoscope operation is improved; and popularization and application of the robot bronchoscope operation are promoted.

The invention discloses a thoracoscope minimally invasive cardiac surgery navigation system based on multi-modal image fusion, and the system comprises the steps: constructing a 5D heart digital twin containing an anatomical structure, a soft tissue boundary, metabolic activity and electrophysiological information through fusing preoperative CT, MRI, PET and intraoperative ultrasonic images; real-time dynamic registration is realized by using an electrocardio gating driven biomechanical model; superposing the multi-color coding navigation information to the visual field of the thoracoscope through a wavelength selection type spectroscope; a dynamic risk scoring model is constructed based on the distance, the speed and the tissue vulnerability, and three-level grading intervention is triggered; a miniature force feedback actuator is integrated to realize closed-loop control; and pre-operation virtual drilling and post-operation federal learning optimization are supported. The system remarkably improves the surgical precision and safety, and is suitable for high-difficulty heart minimally invasive surgeries such as mitral valve repair and atrial fibrillation ablation.

A method of implanting a shoulder prosthesis assembly is provided where the method includes advancing by rotation a base member, that includes a cylindrical member and a helical structure, into a resection face of a humerus of a patient such that the helical structure is submerged in and engages cancellous bone of and does not extend distally of an epiphysis of the humerus, the cylindrical member being accessible at the resection face of the humerus when the base member is so advanced; advancing a locking device into the base member until at least one elongate member spans a space between adjacent portions of the helical structure to contact the cancellous bone in the space; and inserting a retention portion of a reverse articular insert into the cylindrical member of the base member to directly connect the reverse articular insert with the cylindrical member of the base member.

The invention discloses a constipation patient defaecation device and mobile terminal integrated system based on endoscope visualization and air bag assistance, and relates to the technical field of medical instruments, the constipation patient defaecation device comprises a display terminal, a connecting line, an operating handle and a comprehensive pipe, and the two ends of the operating handle are connected with the connecting line and the comprehensive pipe respectively. According to the non-invasive, high-safety and portable constipation patient defecation device, through the integrated design of endoscope real-time visual positioning, air bag auxiliary mechanical defecation and mobile terminal data interaction, the invasive operation pain is reduced, the defecation time is shortened, the complication risk is reduced, and the constipation patient defecation efficiency is improved. The pressure sensor monitors the internal pressure of the air bag in real time and feeds back the internal pressure to the dynamic pressure upper limit module and the mobile terminal in real time, and double protection of a hardware pressure release valve and software pressure limiting is triggered when the pressure exceeds the limit. The problems of high intestinal injury risk, low treatment efficiency, limited application scene and the like caused by operation blindness, function singleness or high invasiveness in the prior art are solved.

The present application relates to a kind of snare cutting knives for endoscope, including proximal handle, tube body assembly, cutting assembly and limiting component;Proximal handle is equipped with limiting sliding slot;The proximal end of tube body assembly is connected with proximal handle, and the distal end of tube body assembly is equipped with insulating protection tube;Cutting assembly includes cutting ring and cutting head, and cutting head is set to the distal end of cutting ring;Limiting component includes sliding part and limiting control wire, sliding part is slidably arranged in limiting sliding slot, and the proximal end of limiting control wire is fixedly connected with sliding part, and sliding part is used to drive limiting control wire axial movement;When limiting control wire moves to the distal end of insulating protection tube, cutting head and insulating protection tube abut each other and are fixed;When limiting control wire exits insulating protection tube, cutting head can continue to move relative to insulating protection tube.

The invention relates to an adjustable electric intracavity cutting stitching instrument, and relates to the technical field of stitching instruments. The device comprises a handle, a rotating head, a suturing rod and a suturing head, the suturing rod is connected with the handle, the suturing rod is sleeved with an outer pipe, the handle is used for driving the outer pipe to move in the length direction of the suturing rod, and the rotating head is rotationally connected to the handle, fixed to the outer pipe and used for driving the outer pipe to drive the suturing rod to rotate. The sewing head is rotatably connected to the end, away from the handle, of the sewing rod through a rotating assembly, a driving assembly is arranged on the sewing rod, connected with the rotating assembly and used for driving the rotating assembly to rotate, a handle and a rotating motor are arranged on the rotating head, the rotating motor is connected with the driving assembly through an electromagnetic clutch, and the handle is rotatably connected to the rotating head. And the base is fixed with the driving assembly. According to the invention, manual or automatic adjustment can be carried out according to conditions so as to realize the effect of accurate control or rapid control.

An example method includes obtaining, by one or more processors, a target atlas of a particular patient on which an arthroplasty procedure is to be performed; selecting, by the one or more processors and based on a comparison of values of the target atlas and a plurality of reference atlases of other patients on which the arthroplasty procedure has been performed, at least one reference atlas of the plurality of reference atlases of the other patients; and determining, by the one or more processors and based on the selected at least one reference atlas, one or both of an implant size and an implant alignment for the particular patient.

The invention relates to the technical field of medical instruments, and discloses a pulling forceps type continuous-shooting hemostatic clip capable of turning, rotating and repeatedly opening and closing, the pulling forceps type continuous-shooting hemostatic clip comprises a hemostatic clip assembly and an inner guide assembly which are sequentially connected in an outer tube assembly, the hemostatic clip assembly comprises two hemostatic clips, a hemostatic clip transmission block and a hemostatic clip sleeve, and the front end of each hemostatic clip is provided with a buckling part; the rear ends of the two hemostatic clips are hinged to the front end of a hemostatic clip transmission block, a clamping part is arranged on the rear portion of the hemostatic clip transmission block, the hemostatic clip transmission block penetrates through the hemostatic clip sleeve, and the clamping part is connected with the buckling part of the adjacent hemostatic clip on the rear side in a clamped mode. An opening and closing mechanism for opening or closing the two hemostatic clips is arranged between the two hemostatic clips and the hemostatic clip sleeve; a protruding part is arranged on the outer side of the hemostatic clip sleeve, and a reducing part matched with the protruding part is arranged at the front end of the outer tube assembly. According to the hemostatic clip, tedious operation steps of a doctor can be reduced, operation time is saved, resource waste is reduced, operation efficiency is improved, and operation cost is reduced.

A humeral prosthesis for replacing a proximal humerus includes a prosthesis body which includes a lateral surface, a medial surface, an anterior surface, a posterior surface, and a first superior surface. The lateral surface has a spherical curvature. The anterior and posterior surfaces are each planar and each intersect the first superior surface, the lateral surface, and the medial surface. A first bore extends through the first superior surface and into the prosthesis body. The prosthesis body also includes a plurality of suture openings.

The utility model discloses a magnetic traction operation field exposure system magnet adjusting structure and a traction device, and relates to the technical field of medical instruments.The magnetic traction operation field exposure system magnet adjusting structure is applied to the traction device of an endoscope and comprises a driving source and an outer magnet connected with the driving end of the driving source, and the driving source drives the outer magnet to move; the magnet is used for getting close to or away from the inner magnet to adjust the magnetic force between the inner magnet and the outer magnet. According to the magnet adjusting structure and the traction device of the magnetic traction operation field exposure system, the magnitude of magnetic force can be controlled, and traction and release in the operation process can be accurately and conveniently controlled.

The utility model provides a guide plate system for ulna osteotomy, which relates to the field of medical instruments and comprises an ulna steel plate and an osteotomy guide plate, first fixing holes are arranged at two ends of the ulna steel plate, a second fixing hole is arranged at one end of the ulna steel plate, and a first inclined hole is arranged on the inner side of the second fixing hole. The other end of the ulna steel plate is provided with a first strip-shaped hole and a second strip-shaped hole, and the first fixing hole and the second strip-shaped hole are both provided with steel nails used for fixing the ulna steel plate to the ulna. The osteotomy guide plate comprises a guide plate body and a connecting plate which can slide relatively, the guide plate body and the connecting plate are connected through a bolt, and the connecting plate is provided with a bolt piece used for fixing the connecting plate and the ulna steel plate. The surface of the connecting plate is provided with scale marks, the surface of the guide plate body is provided with a scale observation window for showing the scale marks and marked lines, and the side face of the guide plate body is provided with a beveling channel. The second fixing hole and the third fixing hole are provided with first fixing needles matched with the second fixing hole and the third fixing hole, the first strip-shaped hole and the fourth fixing hole are provided with second fixing needles matched with the first strip-shaped hole and the fourth fixing hole, the second fixing needles can slide in the first strip-shaped hole, the required osteotomy length can be adjusted according to the actual situation, and the application range is wider.

The invention belongs to the technical field of medical treatment, and discloses a laryngeal membrane implantation system combined with a central vein puncture device, which comprises a self-retaining laryngoscope, a hollow puncture needle, a catheter sleeved on the puncture needle, a skin expander, a metal guide wire, a central vein catheter, a non-absorbable suture and a laryngeal membrane. The puncture needle penetrates into the laryngeal cavity, and the catheter is retained. And guiding by using a metal guide wire, expanding the skin by using a skin expander, and smoothly placing into the central venous catheter. The central venous catheter is pulled out of the self-retaining laryngoscope, and the non-absorbable suture is reversely arranged along the tip of the catheter, so that the suture smoothly penetrates out of the larynx from the inside of the larynx to the outside of the larynx, the laryngeal membrane is firmly fixed on the larynx, and further adhesion of vocal cords is avoided. Components required by the invention are simple and easy to obtain. Compared with a traditional method, the method is simple and easy to operate, saves operation time and is easy to popularize nationwide.

Systems and methods for generating patient-specific surgical guides comprising: capturing a first and second images of an orthopedic element in different reference frames using a radiographic imaging technique, detecting spatial data defining anatomical landmarks on or in the orthopedic element using a neural network, applying a mask to the orthopedic element defined by an anatomical landmark, projecting the spatial data from the first image and the second image to define volume data, applying the neural network to the volume data to generate a reconstructed three-dimensional (“3D”) model of the orthopedic element; and calculating dimensions for a patient-specific surgical guide configured to abut the orthopedic element.

Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.

The utility model provides a slave hand device and a surgical robot, and relates to the technical field of medical equipment. The slave hand device comprises a base, a guide assembly, a telescopic assembly and a limiting assembly. The guide assembly is connected with the base, and the telescopic assembly is connected with the guide assembly, so that the telescopic assembly and the guide assembly can be fixedly installed. One end of the telescopic assembly can be connected with the surgical instrument piece, the telescopic assembly moves relative to the guide assembly in the telescopic direction, the surgical instrument piece can also move in the telescopic direction, and therefore the surgical instrument piece can be conveniently adjusted to the designated position. The limiting assembly can limit the telescopic assembly in the telescopic direction of the telescopic assembly, and excessive stretching of the telescopic assembly in the telescopic direction can be avoided. After the guiding assembly, the telescopic assembly and the limiting assembly are assembled in advance, the guiding assembly and the limiting assembly are installed on the base, then the telescopic assembly, the guiding assembly and the limiting assembly are installed in a matched mode, and therefore the modularization degree and the integration degree of the slave manipulator device are higher.

The invention provides a laparoscopic surgery fetching bag with a fascia expansion function, and relates to the technical field of laparoscopic surgery instruments.The laparoscopic surgery fetching bag comprises a main pipe arranged on the outer side of the fetching bag in a sleeving mode, at least two guide shells, a connecting rod and a traction rod, and the at least two guide shells are located on the two opposite sides of the main pipe respectively; the lower end of the main pipe is rotationally connected with the guide shell, the interior of the guide shell is rotationally connected with one end of the connecting rod, and the other end of the connecting rod is connected with the traction rod. The traction rod is installed on the outer side of the main pipe and slides in the central axis direction of the main pipe. When the traction rod slides towards the side away from the guide shell along the main pipe, the connecting rod drives the guide shell to unfold, the expansion range of a muscle layer incision can be accurately controlled, the problem that a traditional fetching bag is difficult to penetrate through the incision due to expansion is solved, meanwhile, when the fetching bag is closed, the storage cavity formed by the guide shell can tightly wrap the fetching bag body, and the fetching bag is convenient to use. And the guide shell can be directly taken out, so that the friction damage of the fetching bag to the muscle layer is reduced.

The invention discloses a surgical tool system based on a flexible arm and a minimally invasive surgical robot, the surgical tool system comprises a flexible arm sleeve assembly and a manual driving mechanism, a distal end of the sleeve assembly is provided with a tip, the tip is at least integrated with a surgical tool and an endoscope camera, and the proximal end of the sleeve assembly is connected with the manual driving mechanism; a regulating cable for controlling the tail end of the surgical tool to move is arranged in the sleeve assembly in a penetrating manner, and the near end of the regulating cable is connected with the manual driving mechanism; a rotating module, a push-pull module and a regulation and control cable control module are arranged in the manual driving mechanism, the rotating module is used for achieving overall rotation of the cannula assembly, the push-pull module is used for achieving bending of the far end of the cannula assembly, and the regulation and control cable control module is used for tensioning / loosening a regulation and control cable to achieve opening and closing of the tail end of the surgical tool. According to the minimally invasive surgery robot, the surgical tool can rotate, bend and open and close the tail end under the control of the manual driving mechanism, the minimally invasive surgery operation requirement is met, the minimally invasive surgery robot has multiple degrees of freedom, and the surgical tool can conveniently reach a deeper surgery area.

The invention provides an endoscope anastomat stroke compensation method which can be applied to the technical field of medical instruments. A deflection system of the endoscope anastomat comprises a first stroke sensor, a percussion system of the endoscope anastomat comprises a second stroke sensor, and the method comprises the steps that the first stroke sensor is used for detecting the bending angle of a flexible knife handle in a bending joint in the cutting process; based on the bending angle, the change of the length of the flexible knife handle in the bending joint is calculated, and the forward moving amount of the cutting knife is obtained; a second stroke sensor is used for detecting the current stroke of a driving device at the rear end of the anastomat; and based on the cutting knife forward movement amount and the preset stroke of the anastomat rear-end driving device, the current stroke of the anastomat rear-end driving device is adjusted so as to compensate the stroke of the endoscope anastomat. By arranging the stroke sensor, measuring the forward moving amount of the cutting knife and the current stroke of the driving device at the rear end of the anastomat, and compensating the stroke of the endoscope anastomat, the anastomosis length of the anastomat at various bending angles is stable and consistent, the anastomosis frequency is reduced, and the use cost is reduced.