2330 results about "Surgical instrument" patented technology

A system and apparatus for automatic smoke evacuation using an RF sensor. The system and apparatus utilizes an RF sensor for automatic activation of an evacuator that evacuates smoke and / or debris during the use of any electrosurgical instrument or surgical instrument that is capable of generating smoke and / or debris and capable of producing a radiofrequency during its operation. Exemplary embodiments of the system and apparatus for automatic smoke evacuation include both wired and wireless embodiments.

The invention relates to a debridement nursing device in operating room nursing, belongs to the technical field of surgical operating instruments, and aims to solve the problems that a hose of a traditional flushing device is easy to block, needs to be manually disassembled for cleaning or increasing water pressure, is easy to damage tissues and interrupts an operation flow. Pressurizing assemblies are fixedly connected in the two air pressure adjusting cavity assemblies, ejector rod assemblies are connected in the two air pressure adjusting cavity assemblies, automatic detection and dredging of hose blockage are achieved through linkage of the air pressure adjusting cavity assemblies, the pressurizing assemblies and the ejector rod assemblies, when a hose liquid outlet is blocked, an electromagnetic valve switches an air source, and the hose liquid outlet is blocked. The extrusion action is matched with the high-speed flushing fluid to generate shearing force, attachments in the tube are stripped, and the situation that an operation is interrupted due to manual intervention is avoided.

The invention relates to a nerve monitoring monopole electrocoagulation hook for thyroid surgery and a surgical instrument, and relates to the technical field of medical instruments.The electrocoagulation hook comprises a nerve detecting piece installed at the front end of a handle, an insulating pipe body is arranged in the nerve detecting piece, a smoke suction channel and a sliding hole are formed in the insulating pipe body, and a rod body is slidably inserted into the sliding hole and connected with an external power source; the far end of the rod body is provided with a hook body bent relative to the rod body, and the surface, deviating from the smoke suction channel, of the hook body forms an electrocoagulation face. The hook body is provided with a first-stage heat conduction assembly, avoids the electrocoagulation surface and is in heat conduction connection with the electrocoagulation surface; one end of the second-stage heat conduction assembly is in heat conduction connection with the first-stage heat conduction assembly, and the other end of the second-stage heat conduction assembly extends into the smoke suction channel. Through the combined design of two-stage heat conduction and heat dissipation, heat generated by the electrocoagulation surface during coagulation and cutting can be rapidly conducted through the heat conduction assembly and is dissipated and taken away through cooperation of the smoke suction channel, so that the diffusion risk of the heat in adjacent nerves and tissues is reduced to a certain extent, and the operation safety and stability in an operation are improved.

The invention relates to the technical field of medical equipment maintenance, in particular to an operation power system prediction maintenance method and system based on digital twinning, and the method comprises the steps: carrying out the digital modeling of an operation power system, and forming a digital twinning system; acquiring real-time state information from three channels of a power supply, a surgical instrument and a cooling system; constructing a heterogeneous data characterization mechanism based on a matrix manifold, and mapping multichannel data to a unified feature space; establishing a multi-channel fusion algorithm of adaptive feature weight optimization; constructing an aging degree degradation model; outputting the aging degree of the system; according to the method, the problem of multi-source heterogeneous data fusion is innovatively solved, the prediction precision and the maintenance efficiency are improved, accurate evaluation of the health state of the operation power system, accurate prediction of performance degradation and intelligent optimization of maintenance decision are achieved, and the equipment reliability and the operation safety are effectively improved.

A steering gear for a surgical instrument includes two motorized drives designed to spatially align a wobble plate via the adjustment angle of the two drives, which is designed to control a distal angling mechanism of the surgical instrument. A first of the two drives has a first motor, which drives a drive pinion via a driveshaft, which engages with a lateral toothing of a first toothed rack, driving a first transmission pinion of a first double gear. A second of the two drives has a second motor driving a drive pinion via a driveshaft, which engages with a lateral toothing of a second toothed rack and drives a second transmission pinion of a second double gear wheel. The wobble plate is arranged between the two bevel gear rims, which are facing one another and lie on a common axis.

Surgical instruments, systems, and methods for performing an osteotomy are disclosed herein. A surgical system includes a body with a distal end, a proximal end, a first surface, and a second surface. The surgical system can include cutting blades positioned on the first surface and / or the second surface. The surgical system can include columns of cutting blades positioned on the first surface and / or the second surface. The surgical system can include rows of cutting blades positioned on the first surface and / or the second surface.

A steering gear for a surgical instrument includes an angling mechanism which can be controlled by a spatially adjustable wobble plate. The steering gear has a first and a second drive wheel with a respective associated motor, and the second drive wheel is arranged offset by 180° relative to the first drive wheel on an axis of rotation in common with the first drive wheel and perpendicular to the longitudinal axis. The wobble plate is mounted between the first drive wheel and the second drive wheel in a steering ring. A retaining bracket rotatably about the common axis of rotation of the drive wheels, wherein the steering ring is mounted in the retaining bracket an rotatable about the axis of rotation of the third gear wheel, such that the engagement between the third gear wheel and the drive wheels is secured.

The invention provides an intraoperative path optimization method and system based on solid tumor preoperative image analysis, and the method comprises the steps: constructing a three-dimensional model of a tumor and peripheral blood vessels and nerves according to a preoperative image, and carrying out the dissection risk marking of the three-dimensional model through a deep learning model, generating an anatomical risk image with risk gradient value distribution; taking the minimum intraoperative bleeding amount and the highest tumor excision rate as a reward function, combining the three-dimensional model, an anatomical risk image and historical similar case data, and simulating multiple operation paths based on an adversarial reinforcement learning algorithm to obtain an optimal operation path; the method comprises the following steps: acquiring the pose, ultrasonic image and fluorescence image of a surgical instrument in real time during surgery, matching the preoperative image with the intraoperative image based on a biomechanical model driven non-rigid registration algorithm, predicting organ displacement, and correcting an optimal surgical path, thereby avoiding accidental injury of key tissues, ensuring that an infiltration area is brought into the surgical path in time, and improving the surgical efficiency. Residues are reduced, and static planning failure is avoided.

The invention provides a surgical robot tail end three-dimensional force sensing mechanism and a force measurement method, and relates to the technical field of force measurement, and the surgical robot tail end three-dimensional force sensing mechanism comprises a first connecting end used for connecting a surgical instrument, a second connecting end used for connecting a surgical robot mechanical arm, and a first strain measurement unit arranged between the first connecting end and the second connecting end. The first strain measurement unit comprises a strain structure and a measurement assembly, the strain structure is provided with a first strain part, a second strain part and a third strain part, and the three strain parts are elastically deformed under acting force in a first direction, a second direction and a third direction which are perpendicular to one another; a first strain assembly, a second strain assembly and a third strain assembly of the measuring assembly are correspondingly installed on three strain parts, and the three components are matched to measure acting force borne by the surgical instrument in the first direction, the second direction and the third direction. The measurement limitation of a one-dimensional sensor is broken through, and the measurement of the acting force borne by the surgical instrument in three dimensions is realized.

A method of manufacturing a surgical instrument that includes a tissue contacting surface operable to apply ultrasonic energy or RF energy to tissue. The method includes applying a hydrophobic coating that includes silicone to a base surface of the tissue contacting surface to form an applied coating layer having a coating application thickness. The method also includes removing portions of the applied coating layer with a resiliently biased mechanical coating removal tool to form a plurality of removed portions of coating. A removal depth of each removed portion of the plurality of removed portions can each be from 50% to 100% of the coating application thickness such that from 10% to 50% of the applied coating layer is removed from the base surface.

The invention discloses a minimally invasive decompression visual surgical instrument for femoral head necrosis, and relates to the technical field of medical instruments. The device comprises a handle, a semicircular needle body is fixedly installed on the left side of the handle, the semicircular needle body is composed of a solid part and a semicircular groove part, a plurality of right-angle sliding grooves are formed in the top of the solid part, a semicircular sliding sleeve is slidably connected to the top of the semicircular groove part in a sealed mode, and a hinge column is arranged at the top of the solid part; the hinged column is close to the puncturing end of the solid part, a cleaning and scraping head is rotationally installed on the outer side of the hinged column, a semicircular expansion piece is arranged at the top of the solid part, a plurality of sliding blocks are arranged at the bottom of the semicircular expansion piece, the sliding blocks are connected into the right-angle sliding grooves in a sliding mode, and an elastic connecting piece is arranged between the semicircular expansion piece and the cleaning and scraping head. The surgical instrument adopts a brand-new structural design, can integrally complete a femoral head decompression surgery, does not need to be repeatedly pulled and inserted, has small influence on internal tissues of the femoral head, and is high in surgical efficiency.

Devices, systems, and techniques for synchronized motion of independent surgical devices. An example first surgical instrument may have a movable component. The first surgical instrument may receive a motion control parameter. The motion control parameter may be one or more of: a force relative to a tissue contact shared between the first surgical instrument and the second surgical instrument; or a positional relationship between the first surgical instrument and the second surgical instrument. The first surgical instrument may sense a motion event caused by a user control input to a second surgical instrument. The first surgical instrument may autonomously adjust motion of the movable component based on the motion control parameter and the motion event.

Aspects include a surgical robot for use in a total hip arthroplasty (THA) procedure, and related methods. In some cases, the surgical robot includes: a robot arm for holding a surgical instrument; and a controller coupled with the robot arm, the controller programmed to: detect a position of the surgical instrument in at least one attraction volume corresponding with a planned trajectory of the surgical instrument for the THA procedure, the at least one attraction volume defined in part by a point and an axis extending from the point; and while the surgical instrument is in the at least one attraction volume during the THA procedure, provide assistance to movement of the surgical instrument in a direction toward the at least one attraction volume.

A surgical computing system may receive usage data associated with movement of a surgical instrument and user inputs to the surgical instrument. The surgical computing system may receive motion and / or biomarker sensor data from sensing systems applied to the operator of the surgical instrument. The surgical computing system may determine, based on at least one of the usage data and / or the sensor data, a control feature for implementation by the surgical instrument. The surgical computing system may communicate the determined control feature(s) to the surgical instrument. The surgical instrument may modify its operation based on the control features.

The invention relates to the technical field of intraoperative intelligent monitoring, and particularly discloses a spinal canal debonding method and system for real-time state evaluation, and the method comprises the steps: collecting neural structure microcirculation blood flow data in real time through integrating a micro-sensing unit at a working end part of a surgical instrument, and extracting blood flow oscillation frequency and capillary hematocrit parameters; performing multi-scale signal decomposition on the blood flow oscillation frequency to obtain an energy distribution parameter, and performing dynamic mode recognition on the hematocrit data to obtain a main variation characteristic value; fusing the two characteristic parameters to generate a nervous tissue vitality index; inputting the index into a pre-trained neural network for time sequence feature analysis, and outputting a graded ischemia risk early warning signal; the operation rhythm is automatically adjusted through a decision tree control mechanism based on the early warning signal, and self-adaptive regulation and control according to the state of the nervous tissue are achieved; the technical problem that the risk of neural ischemia cannot be monitored in real time in a traditional spinal canal release operation is solved, and occult nerve injury caused by asymptomatic neural ischemia can be prevented.

A method of reclaiming portions of a surgical kit having a surgical instrument includes disassembling the surgical instrument and determining a disposal methodology of the surgical kit. Furthermore, reclaiming further includes verifying reuse capacity of a portion of the surgical instrument and determining a waste stream for the portion of the surgical instrument. The method also includes disassembling the portion of the surgical instrument from a remainder of the surgical instrument at a predetermined region of the surgical instrument to thereby reclaim the portion of the surgical instrument according to the waste stream.

The present invention is an apparatus, device or tool for performing endoscopic (that is, minimally invasive) surgery. An exemplary embodiment of the invention includes a video endoscope whilst in another embodiment of the invention includes an endoscopic surgical tool which, when equipped with one of a suite of endoscopic surgical instruments, can be used by a surgeon to perform surgical procedures inside a body. Another embodiment of the present invention includes a suite of endoscopic surgical instruments designed to work co-operatively with the endoscopic surgical tool. In another embodiment of the present invention, a video-assisted endoscopic surgical tool system is provided. In one embodiment, the system includes the video-assisted endoscopic surgical tool and a suite of at least one endoscopic surgical instrument.

The invention discloses a tissue broadband domain impedance characteristic test system and method, and belongs to the technical field of medical detection. The system comprises a signal acquisition and control unit, a radio frequency power amplifier module, a protective resistor, a bipolar scalpel, two voltage probes and a sampling resistor module, an electrode of the bipolar scalpel is in contact with a biological tissue to be subjected to impedance characteristic test; the signal acquisition and control unit outputs a broadband excitation voltage signal, the broadband excitation voltage signal is amplified by the radio frequency power amplifier module, and the amplified signal sequentially passes through the protective resistor, the sampling resistor module and the electrode to be input into biological tissue; the two voltage probes are respectively used for sampling voltage signals of the electrode and the sampling resistor module in real time and feeding back the voltage signals to the signal acquisition and control unit; and the signal acquisition and control unit obtains impedance amplitudes and impedance phases of the biological tissue under various frequencies through Fourier transform, and impedance characteristic testing is completed. Data support can be provided for the design of the energy surgical instrument.

A cabinet for storing surgical instruments the cabinet including: a casing, wherein the casing encloses an interior space with at least one mounting device configured to hold a surgical instrument; a ventilation unit configured to supply drying gas to the interior space; and a cooling unit and a drying unit connected to the ventilation unit, wherein the drying unit is configured to reduce the humidity of the drying gas, and the cooling unit is configured to cool down the drying gas before it enters the interior space to a temperature below 15° C.

The invention provides an anti-interference three-dimensional tactile sensor and a three-dimensional force resolving method thereof, and belongs to the technical field of tactile sensors.The method comprises the steps that original array magnetic field data detected by a magnetic sensor array are read, the original array magnetic field data comprises magnetic field intensity data detected by each magnetic sensor in a magnetic sensor array; calculating an average value of all magnetic field intensity data in the original array magnetic field data, and subtracting the average value from the magnetic field data measured by each magnetic sensor in the array to obtain array magnetic field data after the environmental interference magnetic field is removed; and inputting the interference-removed array magnetic field data into a pre-trained deep learning model, and directly calculating the three-dimensional force acting on the elastomer by the model. The method can realize three-dimensional force calculation in a strong magnetic field interference scene, and is suitable for scenes of robot flexible operation, medical surgical instruments and the like.

The invention relates to the technical field of orthopedic surgery, and discloses an orthopedic surgery real-time navigation system based on multi-modal image fusion and artificial intelligence. The multi-modal image fusion module is used for generating a three-dimensional skeleton and soft tissue fusion model for surgical navigation; the artificial intelligence analysis module is used for determining a fracture line, a screw implantation angle and a cutting track; the intraoperative tracking module is used for generating a real-time correction instruction; the verification updating module is used for carrying out rationality verification on the real-time correction instruction; if the inspection is not passed, an alarm mechanism is triggered, instantaneous motion state parameters of the surgical instrument are collected, the instantaneous motion state parameters are compared with the cutting track, and the correction instruction is updated according to the comparison result; and the execution module is used for driving the surgical instrument to execute the surgical operation according to the updating correction instruction. According to the invention, manual operation errors can be effectively reduced.

The utility model relates to a surgical instrument. The surgical instrument is characterized in that a nail abutting seat is provided with an inserting groove; the separation assembly comprises: a body member for contacting tissue; one end of a plug connector is connected to the main body piece, and the plug connector is matched with the plug groove; the elastic piece is connected to the inserting piece, and the elastic piece is stressed to deform in the process of inserting the inserting piece into the inserting groove; wherein the nail abutting seat is further provided with a first clamping piece, the elastic piece is provided with a second clamping piece, and the first clamping piece is matched with the second clamping piece, so that the separating assembly is assembled on the nail abutting seat. The separation assembly of the surgical instrument is simple in structure and convenient and fast to assemble.

A method of manufacturing a surgical instrument that includes a tissue contacting surface operable to apply ultrasonic energy or RF energy to tissue. The method includes applying a hydrophobic coating that includes silicone to a base surface of the tissue contacting surface to form an applied coating layer having a coating application thickness. The method also includes removing portions of the applied coating layer with a laser to form a plurality of removed portions of coating. A removal depth of each removed portion of the plurality of removed portions can each be from 50% to 100% of the coating application thickness such that from 10% to 50% of the applied coating layer is removed from the base surface.

For control of a surgical instrument in a surgical robotic system, multiple actuators establish a static pretension by actuating in opposition to each other in torque control. The static pretension reduces or removes the compliance and elasticity, reducing the backlash width. To drive the tool, the actuators are then moved in cooperation with each other in position mode control so that the movement maintains the static pretension while providing precise control.

An electronic device that monitors usage of medical devices (such as a surgical instrument, a surgical screw, surgical supplies or a surgical machine) is described. During at least a medical procedure, the electronic device monitors the use of medical devices in a tray of medical devices or a peel pack of medical devices. Then, the electronic device may provide, addressed to a computer system, a utilization report based at least in part on the monitoring. The utilization report may include historical usage of medical devices: in a type of the medical procedure, for a type of patient and / or by a given medical provider.

Systems and subsystems for cutting and stapling tissue are disclosed. More specifically, the present disclosure relates to systems, devices, and subsystems for attachments for robotic surgeries. The surgical instrument is a robotic attachment including a roll subsystem. The roll subsystem comprises a rotatable shaft having a longitudinal axis, a roll input puck engageable with a roll robotic output, a worm gear coupled to and rotatable by the roll input puck, and a worm follower coupled to the rotatable shaft. Rotation of the roll input puck causes the worm gear to rotate the worm follower and thereby roll the rotatable shaft about its longitudinal axis.

The invention relates to a flexible lockable rope-driven mechanical arm system for cardiac resection, which belongs to the technical field of minimally invasive interventional surgical instruments and comprises a flexible mechanical arm component, an end effector component, a near-end connecting seat and a locking component. The flexible mechanical arm assembly is formed by connecting a plurality of guiding discs and a plurality of locking pieces in series, the guiding discs are arranged at intervals, one locking piece is arranged every multiple guiding discs, and the guiding discs are connected with a driving rope in series through a length restraining rod. The near-end connecting base is used for being connected with a catheter sheathing canal or a mechanical arm driving base and providing an inlet for the length restraining rod and the multiple driving ropes. The end effector assembly is used for cardiac muscle resection; according to the flexible mechanical arm assembly, complex three-dimensional path planning in a narrow cardiac cavity and posture locking under a target posture can be achieved, and the positioning precision and posture stability in the myocardial resection process are improved. The end effector assembly includes a telescopic knife and a protective depth limiting structure that reduces the risk of penetrating the ventricular wall and damaging adjacent valves and conduction bundles.

Various implementations include an end effector for a total hip arthroplasty (THA) procedure. An example end effector can include: an adapter for holding a surgical instrument, the adapter having an elongate body and a projection extending therefrom; a main body having: a proximal end including an interface for attaching to a robot arm; and a distal end including an elongate recess and a slot for connecting with the surgical instrument; and a connector adapted to secure the projection in the slot to securely attach the adapter to the main body.