70 results about "Thoracoscope" patented technology

A method for closed-chest cardiac surgical intervention relies on viewing the cardiac region through a thoracoscope or other viewing scope and endovascularly partitioning the patient's arterial system at a location within the ascending aorta. The cardiopulmonary bypass and cardioplegia can be induced, and a variety of surgical procedures performed on the stopped heart using percutaneously introduced tools. The method of the present invention will be particularly suitable for forming coronary artery bypass grafts, where an arterial blood source is created using least invasive surgical techniques, and the arterial source is connected to a target location within a coronary artery while the patient is under cardiopulmonary bypass and cardioplegia.

The invention discloses a pulmonary nodule locating system for 3D pulmonary surface projection. The system comprises a CT data importing unit, a CT image segmentation unit, a 3D modeling unit, a nodule projection unit and a measurement unit, wherein the CT data importing unit used for importing CT data; the CT image segmentation unit comprises a pulmonary tissue organ segmentation module, a nodule segmentation module, a blood vessel segmentation module and a segmentation module; the 3D modeling unit is used for building 3D models of a pulmonary tissue organ, a nodule and a blood vessel of each segment, and fusing the models into a pulmonary tissue 3D model; the nodule projection unit is used for building an expansion model of the pulmonary nodule, and the expansion model is the extension of the pulmonary nodule to the pulmonary surface; and the measurement unit is used for measuring a distance between the expansion model and anatomical characteristics identifiable for naked eyes on the surface of the pulmonary tissue 3D model. The invention furthermore discloses a pulmonary tissue model 3D printing method. According to the system and the method, the pulmonary nodule can be intuitively and accurately located on the premise of no traumas, so that the pains of patients are relieved and the pulmonary nodule wedge resection operation under a thoracoscope is more accurate, safer and more popular.

The invention relates to a simulated thoracoscope simulation training device for surgery. The device comprises a dummy man unit, a blood collection pool for collecting blood and connected with the dummy man unit, and a pump unit providing the perfusate circulation driving force. The dummy man unit comprises a dummy head and a dummy thoracoabdominal cavity unit connected with the dummy head. The dummy thoracoabdominal cavity unit consists of a front wall skin and a back skin that are separable and that are connected by a sealing buckle to form a hollow cavity provided therein with a dummy thoracic cavity and a dummy abdominal unit. The dummy thoracoabdominal cavity unit is also provided therein with an animal visceral organ group for simulation training. The animal visceral organ group includes a dummy lung and a dummy stomach. The dummy lung is disposed inside the dummy thoracic cavity. The dummy stomach is disposed inside the dummy abdominal cavity. The simulated thoracoscope surgerysimulation training device improves simulation training level of surgery and has low cost.

The invention discloses a flushing device for clinical surgeries of thoracic surgery department. The flushing device comprises a bottom plate; a flushing device body and a water tank on one side of the flushing device body are fixedly mounted at the top of the bottom plate; a high-pressure flushing pump is fixedly mounted at the top of the water tank; and a water pipe is fixedly mounted at the input end of the high-pressure flushing pump. The flushing device for the clinical surgeries of the thoracic surgery department is capable of flushing a plurality of thoracoscopes at once, thereby savingthe time and improving the flushing efficiency; through the synchronous rolling of two adjacent rollers, the thoracoscopes can roll in an interval groove for flushing, so that a sprayer is capable offlushing the whole bodies of the thoracoscopes, thereby avoiding the trouble that the users need to handheld the thoracoscopes to flush the whole bodies of the thoracoscopes, liberating the hands ofthe users, making the flushing efficiency higher, avoiding the condition that the hands crossly infect the thoracoscopes and satisfying the using demands of the users.

The invention relates to the field of medical instruments, in particular to a thoracoscopic heart failure treatment system which comprises a puncture device, a myocardial filling device and an imaging device. The puncture device comprises a first channel and a second channel, the first channel is used for providing a track for the myocardial filling device to enter the thoracic cavity from the outside, and the second channel is used for providing a track for the imaging device to enter the thoracic cavity from the outside; the myocardial filling device comprises an injection device, filler, an injection needle and an injection tube; the injection device comprises an injection control device, the injection control device is arranged on the injection tube, the injection control device is operated, and the filler is injected into myocardial tissue through the injection needle; the imaging device comprises an image receiving assembly, an image processing assembly and a display device, and the far-end part of the injection needle and / or the injection tube is imaged and displayed on the imaging device.

The invention discloses an incision protector having a smoke discharge function. The incision protector comprises an upper locating ring, a lower locating ring, a protecting membrane and a smoke discharge system. The smoke discharge system comprises a smoke inlet, a smoke discharge passage and a negative-pressure connecting port. The smoke discharge passage of the smoke discharge system moves downwards along the edge of the upper locating ring, fits to the edge of the protecting membrane and reaches the lower locating ring; and the smoke inlet is arranged on or nearby the lower locating ring.Smoke, which is generated from operations, enters the smoke discharge system via the smoke inlet and is sucked out of a body from the negative-pressure connecting port along the smoke discharge passage, so that interference of smoke to a thoracoscope is avoided and a clear operative field is guaranteed in an operating process; and a good protecting effect can be achieved on patients and doctors, so that the operating process becomes more convenient and safer.

The present invention includes devices and methods for lead, conduit or other medical fixture placement in tissues or organs. The device is configured to permit the placement foot, such as a suction foot, to articulate to a desired position with respect to the target tissue, while the lead, conduit or other medical fixture is releasably attached to the placement foot to permit it to be released from the placement foot after stabilization on the target tissue site. In a preferred embodiment, the invention features an articulating dual suction foot device, an inner lead conduit or guide and foot contained within an outer lead conduit or guide and foot, with the inner conduit or guide configured to extend from the outer conduit or guide, and to be further articulated once extended.

The invention provides an intracavitary visible photodynamic therapeutic instrument. The instrument comprises an endoscope or inner endoscope, a laser light source and a laser conductive fiber, wherein one end of the laser conductive fiber is arranged in a cold light source channel of the endoscope, while the other end is connected with the laser light source; the endoscope or inner endoscope is one of a laparoscope, a joint endoscope, a thoracoscope or neuroendoscope, a gastroscope, a cystoscope and the like. The instrument realizes visible lighting in a body cavity by using the endoscope or inner endoscope, and introduces the laser light source to the lesion location in the body cavity so as to provide clear view for implementing gross resection surgeries, radiate by laser, and increase time for killing tumor cells. Furthermore, the instrument has small toxic or side effect, overcomes the defects of local cancer tissue invasion, lymph node metastasis, hematogenous metastasis, tumor cell detachment and implantation and the like which cannot be solved by chemotherapy, radiotherapy and other means. Based on application of photosensitizer, the actual range of a malignant lesions can be displayed, and 'target lesion' can be treated actively. The instrument has reasonable and simple structure, and can provide visible lighting in the body cavity to implement effective treatment on the 'target lesion'.

The invention discloses a fracture rib bone setting device system for a thoracoscope. The system comprises a fracture bone setting plate body, fixing claws and thread-carrying self-locking tying belts; multiple first fixing holes and multiple second fixing holes are formed in the two sides of the fracture bone setting plate body at intervals, and multiple first fixing grooves and multiple second fixing grooves are formed in the edges of the two sides of the fracture bone setting plate body at intervals; the fixing claws are used for being clamped among the first fixing grooves and the second fixing grooves; the thread-carrying self-locking tying belts are used for penetrating into the first fixing holes and the second fixing holes to fix the fracture bone setting plate body in the rib bones. Through the mode, the system can fix the fracture rib bones under the thoracoscope while conducting thoracic exploration operative treatment on severe thoracic traumas with rib fracture at many parts, the operation process is simplified to a certain extent, opportunities can also be created for a patient with bone fracture at the back rib bones, thus the rehabilitation process of the patient isquicker, the occurrence probability of complications relevant to rib fracture is lowered, the hospital stay time is shortened, and the system is expected to increase the curative rate for clinical rib fracture thoracic injuries.

The invention relates to medical equipment, in particular to a sealing assembly for a puncture device used in minimally invasive surgery operations such as a laparoscope and a thoracoscope and the puncture device. The sealing assembly for the puncture device comprises a dynamic sealing piece, a supporting frame and a one-way valve. The dynamic sealing piece comprises a sealing piece upper part, a sealing ring and a sealing piece lower part, and the sealing piece upper part, the sealing ring and the sealing piece lower part are integrally connected. The supporting frame is a hollow cylindrical object and is provided with a transverse support and a longitudinal support, and the transverse support and the longitudinal support are integrally connected. The one-way valve is a funnel-shaped sealing ring and is provided with a sealing nozzle, a sealing ring and a reinforcing rib. The sealing nozzle is arranged at the bottom of the one-way valve and is in a linear type, the sealing ring is arranged on the top of the one-way valve, and the reinforcing rib is arranged on the funnel face of the lower portion of the one-way valve. The dynamic sealing piece, the supporting frame and the one-way valve are matched to be connected, and the dynamic sealing piece is fixedly connected with the one-way valve through the supporting frame. The sealing assembly for the puncture device is exquisite in structure, high in reliability, low in cost, good in sealing effect and good in universality.

The invention relates to a suture-free three-dimensional textile-based conductive myocardial patch and a preparation method thereof. The preparation method comprises the following steps of: vertically placing a plurality of barb short lines on one side of the textile-based conductive myocardial patch, wherein one end of each barb short line is in contact with the surface of the textile-based conductive myocardial patch; fixing the barb short lines on one side of the textile-based conductive myocardial patch by adopting a hot melting process; and enabling the axial direction of the barb short lines of the prepared three-dimensional textile-based conductive myocardial patch to be perpendicular to the plane of the textile-based conductive myocardial patch, wherein the plurality of barb short lines are uniformly distributed on the same side of the textile-based conductive myocardial patch, the barb short lines are short lines with barbs, and the barbs are positioned on the peripheral surfaces of the short lines and are uniformly arranged along a single direction. Compared with a traditional myocardial patch, the myocardial patch disclosed by the invention has the advantages that the suture process in the implanting process of the myocardial patch is avoided, myocardial repair can be realized through a thoracoscopic surgery, the surgical difficulty and time are reduced, postoperative complications are reduced, and the myocardial patch has excellent clinical application prospects and market prospects.

The invention belongs to the technical field of medical treatment assisted equipment, and discloses a hydraulic thoracoscope and laparoscope fixing support. The hydraulic thoracoscope and laparoscopefixing support is provided with a clamping knob, a fixing clamp, a rotating shaft, a fixed adjusting switch, an adjusting knob, a strut, a cross rod, a fixing knob, a connecting rod, a fixing rod andan endoscope body fixing hole. The number of surgical staffs can be reduced, the labor cost is saved, and the fatigue of doctors in a using process is relieved; several joints are hydraulic joints, and can rotate randomly, when required angle and depth for a surgical field are set, the knob can be tightened for fixing the support temporarily, manual shaking can be relieved during surgery, and thevisual field is stable; the hydraulic thoracoscope and laparoscope fixing support is detachable, can be conveniently sterilized by a clamp type rapid sterilizer in an operating room, and does not needto be treated in a supply room, and thus, the surgery turnover speed is increased; the lower end of the fixing support is fixed at an edge of a common surgical bed; and the hydraulic thoracoscope andlaparoscope fixing support can be used for various hospitals including primary hospitals.

The invention belongs to the technical field of medical instruments, and particularly relates to a traction suture fixing device applied in single-aperture thoracoscope minimally-invasive pulmonary surgery. The traction suture fixing device comprises a metal rod, a U-shaped metal ring with springs at intervals, and an extension tube, one end of the U-shaped metal ring is connected with one end of the metal rod through a first connecting member while the other end of the same is connected with the extensible tube through a second connecting member, the extensible tube is composed of more than two hollow tubes, heads and tail ends of adjacent plastic hollow tubes are sequentially connected in a sleeved manner, and a plastic hook is arranged at the tail end of each hollow tube. The traction suture fixing device is simple in structure, ingenious in conception, capable of straightening out a traction suture and adjusting direction and angle of the traction suture and convenient for exposing of surgical field, a cutting instrument is enabled to be capable of smoothly penetrating a target in pulmonary lobectomy under a single-aperture thoracoscope, and the surgery is simpler and easier to be popularized at the grassroot level so as to bring benefit to patients.

The invention relates to a tracheal tenaculum used under a thoracoscope. The tracheal tenaculum comprises a tenaculum body and a traction rod; the tenaculum body is arranged at one end of the tractionrod and is of a spiral sheet structure, and the included angle between the center axis of the tenaculum body and the center axis of the traction rod is smaller than or equal to 45 degrees. The tracheal tenaculum is compact in structure and reasonable in design, and the lymphonodi at the rear portion of the trachea can be sufficiently exposed, so that lymphadenectomy is thorougher; meanwhile, theleft recurrent laryngeal nerve can be better protected, bleeding is reduced, the lymphadenectomy difficulty is greatly lowered, and application and popularization of the minimally invasive technologyfor conducting esophagectomy under the thoracoscope are facilitated.

The invention relates to the technical field of medical instruments, in particular to a thoracoscopic lung fixation device, comprising a lung clamping tool and a chest wall fixing device. The lung clamping tool comprises left and right clips, and two clips are articulated through a spring column. The head end of the clip is provided with a clip head, the tail end of the clip is provided with a rack, and the left rack and the right rack are provided with fixed clamping teeth capable of engaging with each other. The tail end of the clip is provided with a slot. Suspension wires are respectivelyarranged at the left and right ends of the spring columns, and the suspension wires are spaced at intervals of 1-3 cm position with beads. The chest wall fixing device comprises an elastic pipe, an inner clasp ring and an outer clasp ring respectively fixed at two ends, and a plurality of clasp grooves are arranged on the surface of the outer clasp ring. The device can reduce lung movement causedby beating and breathing of the heart, greatly reduce the range of lung movement during thoracoscopic operation, avoid lung movement from interfering with the operation of a doctor, and provide further guarantee for fine operation and operation safety of the operation.

The invention discloses a temporarily-implanted positioning marker fir positioning a tiny space occupying lesion inside the lung. The temporarily-implanted positioning marker comprises a head end, a tail end and a middle section, wherein the head end can provide firm anchoring inside the lung tissue the tail end can provide firm anchoring on the visceral pleurae on the surface of the lung, and the middle section is arranged between the head end and the tail end and the proper length of the middle section can be selected according to the distance between the space occupying lesion and the adjacent visceral pleura faces. Due to the preforming structures of the head end and the tail end of the temporarily-implanted positioning marker, the temporarily-implanted positioning marker can be firmly anchored inside the lung tissue, meanwhile the temporarily-implanted positioning marker is slender in structure, soft in texture and easy to bend inside the lung tissue after being implanted, serious damage to the lung tissue cannot be caused in the implanting process and after the implanting process, the tiny space occupying lesion inside the lung tissue can be conveniently found along the implanted marker, and the temporarily-implanted positioning marker is quite suitable for accurately positioning the tiny space occupying lesion inside the lung tissue in a thoracoscope operation.

The invention discloses a single-port thoracoscope incision separation fixator which comprises an incision retraction fixator and an incision separation fixing clamp retainer. The incision separation fixing clamp retainer is connected with an outer clamp ring of the incision retraction fixator through a buckle. The incision retraction fixator comprises an inner elastic clamp ring, an outer elastic clamp ring and a connecting pipeline which are integrated. The incision separation fixing clamp retainer is connected with the outer clamp ring of the incision retraction fixator to divide the space of an incision into two operation ducts. The single-port thoracoscope incision separation fixator has the advantages that by arranging the incision retraction fixator and the incision separation fixing clamp retainer, the single-port thoracoscope incision separation fixator has the effects of a single-port thoracoscope surgery operation platform; furthermore, the single-port thoracoscope incision separation fixator is convenient to use and practical, and single-port thoracoscope operation can be achieved.

The invention discloses multifunctional lymph node forceps for a single-hole thoracoscope surgery. The multifunctional lymph node forceps comprise annular handles, a first joint, a forcep body, a second joint, and an arc-shaped net annular forcep head; the annular handles are connected to the bottom of the forcep body through the first joint; the arc-shaped net annular forcep head is arranged at the top of the forcep body through the second joint, and comprises an arc-shaped frame body and a net-shaped structure which is arranged in the arc-shaped frame body; the inside surface of the arc-shaped net annular forcep head is a serrated surface; the end part of the second joint is bent outwards. According to the multifunctional lymph node forceps for the single-hole thoracoscope surgery, the forcep head of the lymph node forceps is changed into an arc-shaped net shape, so that the single-hole thoracoscope surgery is easily performed by the forcep head; when a lymph node is grabbed and clamped, the extrusion to the lymph node is greatly reduced, so that tumour cells in the lymph node can be prevented from being extruded and transferred to other tissues; a surgeon can observe the situation of clamping a grabbed object better through the net-shaped design so as to reduce unexpected situations; moreover, the multifunctional lymph node forceps have a clamping function of common sponge forceps.

The invention discloses a lung fixing device used under thoracoscope. The lung fixing device comprises an outer tube and a sleeve tube, wherein an inner tube is arranged in the outer tube; first fixing balls are respectively arranged on one side away from the center line of the inner tube, of a fixing clip; each first fixing ball is connected with a corresponding second fixing ball through a corresponding spring; fixing pieces are respectively fixed to one side away from the axis of the inner tube, of the fixing clip; each fixing frame is arranged on the left side of a corresponding fixing shaft seat; each connecting rod is fixed to the front side of the corresponding fixing frame; each fixing shaft seat is connected with the right end of a corresponding first connecting rope; the left endof each first connecting rope sequentially penetrates through a place between every two connecting rods; a fixed seat is arranged on the front side of the right end of the inner tube, and is arrangedon the left sides of the fixed seats; and the right end of the sleeve tube is connected with the left end of the fixed seat. According to the lung fixing device used under thoracoscope disclosed by the invention, lung parts on two sides of the inner tube are fixed through the fixing clamp, so that the situation that the thoracoscope lens in the inner tube is blocked by lung parts is avoided, andthe using convenience is improved.

The invention relates to the medical field and especially relates to a multi-angle image system for a thoracoscope and a peritoneoscope. The multi-angle image system is characterized by comprising animage collecting module, an image processing module, an image display module and a power supply module; the image collecting module comprises a fixed lens component and a mobile local image collectingcomponent; the fixed lens component comprises a fixed base and a camera device; the mobile local image collecting component comprises a support rod, a rotary camera device, a controller and a remotecontroller; an image processor is arranged in the image processing module; the image display module comprises a whole image display module and a local image display module. The multi-angle image system for the thoracoscope and the peritoneoscope is capable of comprehensively displaying surgical environment images in thoracic cavity and abdominal cavity; medical personnel can have a multi-angle macroscopical understanding for the environment in the thoracic cavity and the abdominal cavity and can observe dead angles of view of the present endoscope technology; doctors can conveniently operate on the affected parts and the accuracy and success rate of operation can be increased.

The invention provides a suture placing device for a thoracoscopic sleeve-lobectomy. The device comprises an upper-ring, a lower ring and a sleeve body used for connecting the upper ring and the lower ring, wherein at least one clamping groove is formed in the upper ring; the clamping grooves are in tight connection and can be used for fixing the sutures in the clamping grooves according to the direction of bronchus sleeve sutures; two clamping pieces are arranged at two ends of the lower ring, and the lower ring can be clamped in a protective sleeve for an incision of a thoracoscope surgery through the two clamping pieces, so as to achieve the function of fixing the suture placing device. The suture placing device can directly fix the well sealed sutures required to be drawn in the clamping grooves on the upper ring of the suture placing device according to the direction of the sutures, so as to allow the sutures to be trimmed very conveniently and quickly and to be arranged neatly, and accordingly the sutures mess can be reduced; meanwhile, the suture placing device can be fixed on the protective sleeve for the incision of the thoracoscope surgery, so that the difficulty of the thoracoscopic sleeve-lobectomy is reduced, and the efficiency of the surgery is also improved.

The invention relates to an incision retracting fixator applicable to single-pore thoracoscopic surgery. The incision retracting fixator has two kinds of structures A and B and comprises an elastic pipeline, an oval elastic pipeline is embedded in the circular elastic pipeline, the oval pipeline and the elastic pipeline are integrated, and two ends of an acute point of the oval elastic pipeline embedded in the circular elastic pipeline are closely embedded with circular elastic the pipeline. The circular elastic pipeline is an elastic waist-drum-shaped cylinder, and the oval elastic pipeline is embedded in the pipeline and is arranged in the middle to form three channels or at the edge to form two channels. During surgical operation, a thoracoscope and an operation instrument can pass the same incision, and compared with conventional thoracoscopic surgery, the single-pore thoracoscopic surgery performed with the incision retracting fixator has the advantages that two incisions can be reduced and surgical operation is more minimally invasive and has the remarkable advantages in reducing postoperative incision pain and paresthesia of the thoracic wall and accelerating postoperative recovery and the like, and for those patients with poor cardio-pulmonary function, operation risk is reduced.

The present invention includes devices and methods for lead, conduit or other medical fixture placement in tissues or organs. The device is configured to permit the placement foot, such as a suction foot, to articulate to a desired position with respect to the target tissue, while the lead, conduit or other medical fixture is releasably attached to the placement foot to permit it to be released from the placement foot after stabilization on the target tissue site. In a preferred embodiment, the invention features an articulating dual suction foot device, an inner lead conduit or guide and foot contained within an outer lead conduit or guide and foot, with the inner conduit or guide configured to extend from the outer conduit or guide, and to be further articulated once extended.

The invention discloses a rib rongeur used under a thoracoscope. The rib rongeur comprises a fixed handle, a movable handle, a lower rongeur piece, an upper rongeur piece and a compressed spring. The compressed spring is connected between the fixed handle and the movable handle, the upper end of the fixed handle is hinged to the upper end of the movable handle through a hinge part, the top of the fixed handle and the lower rongeur piece are integrally formed, and the top of the movable handle is connected with the tail of the upper rongeur piece. The rib rongeur used under the thoracoscope is characterized in that a rib biting groove is formed in the front end of the lower rongeur piece, a conical cutter portion is arranged at the front end of the upper rongeur piece, and the conical cutter portion moves back and forth in the rib biting groove. The rib rongeur is used in the thoracoscope operation, only a small incision needs to be cut in the chest wall, the rib rongeur is extends into the thoracic cavity of the human body through the small incision, then rib biting groove is aligned to the portion which needs to be excised, and then rib excision is conveniently achieved. No large incision needs to be cut in the chest wall, and the operation risk and pain of a patient are greatly reduced.

The invention discloses a distraction device for thoracoscope rib bone tumor resection. The distraction device comprises a bottom adjusting mechanism for adjusting a back support, a hook body adjusting mechanism for adjusting an incision, a hook body mechanism and outer supporting mechanisms for adjusting the position of the hook body adjusting mechanism, the outer supporting mechanisms are mounted on two sides of the bottom adjusting mechanism, the hook body adjusting mechanism is connected to the top end of the outer supporting mechanisms, the hook body mechanism is installed on the hook body adjusting mechanism, and the outer supporting mechanisms are connected with the bottom adjusting mechanism through a locking mechanism. Through cooperation of the hook body adjusting mechanism and the hook body mechanism, the opening direction and the opening effect of the hook body mechanism are adjusted, the outer supporting mechanisms can adjust the position in the limiting groove and can also be disassembled and additionally installed, and therefore the number of the hook body mechanism is increased, expansibility is improved, the back is supported through the bottom adjusting mechanism, therefore, patients in different postures can be reversely supported and adjusted, incision expansion is facilitated, the thoracic cavity is expanded more easily, and a good view is guaranteed.

The invention discloses a single-port thoracoscopic surgery operation platform. The operation platform comprises a cut traction fixator and a surgery operation platform chuck, wherein the surgery operation platform chuck is connected with the outer clasp of the cut traction fixator through a buckle; the cut traction fixator comprises an elastic inner clasp, an elastic outer clasp and a connecting pipeline body which are of an integral structure; the surgery operation platform chuck comprises a chuck, a chuck inner stopper and the buckle; and the space inside the elliptical chuck is divided into two operation channels by the chuck inner stopper. The single-port thoracoscopic surgery operation platform has the effect of a surgery operation platform due to the surgery operation platform chuck and the cut traction fixator. Furthermore, the operation platform is convenient and practical, and can implement single-port thoracoscopic operation.

The invention provides a rib periosteum detacher for a thoracoscope and aims to solve the problem that in the prior art, connecting rods of a detacher are two scissors arms connected via a rotating shaft and the included angle between the two scissors arms change during use, so that hands are liable to be driven to shake during operation and operation error is liable to occur. The rib periosteum detacher comprises a handheld part, a connecting rod and a detaching head, wherein the handheld part and the detaching head are connected to the two ends of the connecting rod. The handheld part comprises a handle, a first finger ring and a second finger ring, wherein the first finger ring and the second finger ring are fixedly connected with a first end portion of the handle; a second end portion of the handle is in sliding connection with the connecting rod; the handle is provided with a groove used for holding fingers; the surface of the groove is provided with anti-slip lines. The rib periosteum detacher for a thoracoscope is simple in structure, can be held by hand conveniently and facilitates accurate operation.

The invention provides a magnetic anchoring pulmonary nodule positioning device for thoracoscopic surgery. The device comprises: two target magnets, which are used for clamping a target nodule on twosides of the target nodule; two coaxial puncture needles, which are of hollow structures, and the hollow sizes of the two coaxial puncture needles are larger than the external sizes of the two targetmagnets respectively so as allow the two target magnets to penetrate through the two coaxial puncture needles respectively; a positioning plate, which is provided with a plurality of holes, wherein two coaxial puncture needles penetrate into two of the holes to realize preliminary positioning of a target nodule; and an anchoring magnet, which is used for being attracted with the target magnets onthe lung surface through magnetic force, and a positioning range is determined according to the magnetic force. According to the invention, nodule lesions are positioned through magnetic attraction force. The device is suitable for pulmonary lobe excision under a thoracoscope. Meanwhile, the probability that a positioning marker falls off, shifts and moves is lowered, stimulation of a foreign matter to the pleura can be reduced, corresponding discomfort and complications are relieved, the marker is prevented from making direct contact with the nodule, pathological judgment in an operation is prevented from being affected, and the requirements of more patients for high-precision thoracoscopic surgery are met.

The invention discloses a large field depth wide view angle laparoscope / thoracoscope lens which comprises a large view field light beam constraint lens, a correction lens and a correction lens group which are arranged in sequence from an object to an image, wherein both the correction lens and the correction lens group are used for controlling an imaging distance; a first partition ring is arranged between the large view field light beam constraint lens and the correction lens; a second partition ring is arranged between the correction lens and the correction lens group; the focal length f1 ofthe large view field light beam constraint lens meets the equation that f1 is greater than -1.5f and less than -0.9f; the focal length f2 of the correction lens meets the equation that f2 is greaterthan 0.9f and less than 1.8f; the focal length f3 of the correction lens group meets the equation that f3 is greater than -520f and less than infinity; f is the focal length of the lens. By adopting the lens, a large field depth of 25-250mm and a wide view angle of 90 can be directly achieved without adjusting the lens, the field depth covers an operation range, and clear imaging can be achieved without an adjustment waiting time.

The invention discloses a rib fretsaw locator for thoracoscope. A locating pipe is formed by two locating branch pipes having completely same structure and size, the two locating branch pipes are arranged together side by side closely, and a fretsaw passes through the center hole in each locating branch pipe; the locating branch pipes are hard pipes, and are formed by straight pipe sections and arc pipe sections, the front end of each straight pipe section is smoothly connected with the rear end of the respective arc pipe section, and bent directions of the two locating branch pipes are consistent; and the handle structure is arranged at the rear part of the straight pipe section of each locating branch pipe. The fretsaw can run through the rib fretsaw locator, and the fretsaw can be separated from a wound incision and great vessels in lungs and chest, so that the incision and great vessels in lungs and chest can be radically prevented from being injured by a rough and sharp fretsaw; and the front end of the arc pipe sections can be closely contacted with the surface of a rib to be cut off, so that the fretsaw can be accurately located, severe shaking of the fretsaw can be avoided when a rib is cut off, smooth operation and cutting accuracy of an operation can be guaranteed, and side injury can be avoided.