459 results about "Thoracic surgery department" patented technology

Methods and apparatus for a surgical retractor include a ring, a plurality of flexible straps connected to the ring, a patch of hook or loop material connected to each strap, a coordinating patch of hook or loop material connectable to the patient's skin or the surgical drape. The flexible straps of the surgical retractor may be frangibly connected together. LEDs molded into the distal end create a light source to illuminate the surgical site. The ring may take several forms including a flexible or adjustable ring and an inflatable bladder. The ring of the surgical retractor is inserted into the surgical incision, a patch of loop fastener is attached to the patient, a set of straps connected to the ring are pulled outward and the hook portion is applied to the loop portion to hold the incision open. The retractor is useable for thoracic and other types of surgery.

The invention discloses a porous calc silicate bioceramic material, a preparation method and application. The porous bioceramic material comprises the following components in an oxide form in percentage by weight: 44 to 52 percent of CaO, 47 to 54 percent of SiO2, 0 to 3.0 percent of B2O3, 0 to 3.4 percent of ZnO and 0.2 to 4.8 percent of MgO, wherein the content of B2O3 and ZnO is not simultaneously 0; the ratio of the content of MgO and the content sum of B2O3 and ZnO is 1:(0.2-5). The preparation method comprises the following steps: preparing boron, zinc and magnesium-containing calc silicate superfine powder by using a wet-chemical method and a sol-gel method, preparing a porous material of which the shape is consistent with that of a skeleton of each part of a human body and the pore passage size is 80 to 800[mu]m by using a three-dimensional printing technology, and performing high-temperature sintering treatment. The material can be applied to the bone defect repair and bone regeneration medicine of the department of orthopedics, department of stomatology, plastic surgery, maxillofacial surgery, thoracic surgery department or ophthalmology department.

The invention discloses a lung function exercise rehabilitation device for thoracic surgery department, and solves the problems that the respiratory function is obviously weakened and lung complications are caused due to intensified limitation of lung function activities of a patient after a thoracic surgery. According to the lung function exercise rehabilitation device, the upper chest can be independently and actively trained and loosened and pectoral muscles can be stretched through a first rotating arm and a second rotating arm, so that the breathing exercise effect is achieved; the thoracic cavity on one side can be independently and actively trained and loosened through two sleeves on the left side and the right side to achieve the breathing exercise effect; the upper chest is actively trained and loosened and the pectoral muscles can be stretched through linkage of a clutch mechanism to drive the thoracic cavity on one side of the other patient to be passively trained and loosened; the thoracic cavity on one side can be actively trained and loosened through linkage of the clutch mechanism to drive the upper chest of the other patient to be passively trained and loosened andthe pectoral muscles of the other patient to be stretched; multiple exercise modes are provided, respiratory rehabilitation training can be comprehensively carried out, meanwhile, the device can be jointly used by two patients for exercise, the exercise enthusiasm can be improved, and a better exercise effect can be achieved.

The invention discloses a respiratory exercise device for a chronic obstructive pulmonary disease. By means of the design, the problems that an existing postoperative rehabilitation exercise device for the thoracic surgery cannot synchronously exercise the upper limbs and the lower limbs of a patient at the same time, after the exercise is finished, the exercise device occupies a large space, theback knocking operation cannot be performed on the back of the exercised patient, sputum coughed by the patient cannot be collected, and the heavy peculiar smell is caused in a ward are solved. The device includes a base, a turnover cover plate is hinged to a front end of the base, a rear side of an upper end of the cover plate is fixedly connected with an upper box body, two handles capable of moving up and down in a reciprocating manner are arranged at a rear end of the upper box body, a lower end of the cover plate is fixedly connected with a lower box body, a rear end of the lower box bodyis slidably connected with two pedals capable of moving up and down along with the handles and moving left and right in a reciprocating mode, an upper end of the base is slidably connected with a sitting plate capable of being folded into the base along with backward overturning of the cover plate, and a rear end in the base is provided with a collecting barrel capable of being overturned backwards along with the cover plate and extending backwards.

The invention relates to the technology of biological material in the field of biomedical engineering, specifically a preparation technology for bioactive bone-repairing cement material, which is suitable for medical application in the fields of orthopaedics department, thoracic surgery department and reconstructive surgery, such as artificial joint fixation, bone defect filling and implant restoration. The invention relates to a new material which is a combination of powder and liquid with bioactivity for bone repairing and is characterized in that the combination comprises a powder component including homopolymerization powder of methyl methacrylate or copolymerization powder of methyl methacrylate, and a sosoloid powder doped with strontium hydroxyapatite capable of being hardened and solidified to form solid substance with a certain mechanical intensity and synostosis activity when mixed with the liquid component. The main component of the liquid includes methyl methacrylate monomer, which can form bioactive bone-repairing cement when mixed with the powder component. Compared with the prior art, the material can further increase osteoconduction and osteoconduction activity of the combination, and accelerate healing of bone defect part; thus, the material is suitable for orthopaedics department and craniomaxillofacial plastic repair.

A surgical port for use during a thoracic surgery includes a first port element and a second port element. The first port element includes a first sidewall and a first flange that is positioned adjacent a proximal portion of the first sidewall. The first flange extends in a laterally outward direction. The second port element includes a second sidewall and a second flange that is positioned adjacent a distal portion of the second sidewall. The second flange extends in a laterally outward direction. The first port element is configured to securely couple to the second port element and each of the first and second sidewalls defines a passageway to allow a surgical instrument to pass therethrough.

The invention relates to the technical field of auxiliary instruments for the thoracic surgery department, in particular to a three-point locating type craniocerebral operation locating device. The device comprises a head fixing device used for fixing the head and a fixing installing assembly used for installing the head fixing device. According to the three-point locating type craniocerebral operation locating device, two clamping plates and a fixing belt fix the three surfaces of the head, three-point head fixing is achieved, and the head fixing effect is improved; the reactive force generated from bending of a clamping strip can make the clamping strip tightly fit the surface of the head, the head fixing effect is further improved, and the clamping stability of the head fixing device isimproved; a supporting rod pushes a connecting piece to shift integrally, the integral position of an adjusting box is adjusted, and an installing rod rotates in a rotation groove to adjust the integral angle of a connecting block; an internal threaded cylinder rotates in a swivel to adjust the inclining angle of a connecting base, the installing angle of the adjusting box is adjusted, and multi-angle installment is convenient.

The invention discloses novel flushing and suction apparatus for a thoracic surgery. The novel flushing and suction apparatus comprises a base, a flushing and suction cylinder, a water tank, a collection box, a water suction pipe, and a water flushing pipe, wherein an inner cavity of the flushing and suction cylinder is connected with a piston in a slide manner, the piston is driven to lift by anelectric cylinder, a top plate of the flushing and suction cylinder is fixedly connected with a water inlet pipe and a water outlet pipe in a left and right symmetry manner, and a bottom plate of theflushing and suction cylinder is fixedly connected with a water discharge pipe and a water pump pipe in a left and right symmetry manner. The beneficial effect of the novel flushing and suction apparatus is as follows: when the apparatus is used, the electric cylinder drives the piston to reciprocate up and down, when the piston rises, an effusion is sucked through the water suction pipe, and thewater flushing pipe performs flushing, and when the piston descends, the effusion is discharged through the water discharge pipe, and water is supplied through the water inlet pipe. Through the apparatus, the synchronous carrying-out of flushing and water-pumping is realized, the flushing and suction time of a surgical site during the thoracic surgery is greatly accelerated, and thereby the surgery process is accelerated.

The invention discloses a clinical operation positioning device used in a general surgery department and relates to the field of medical instruments. Aiming at the problems that in conventional thoracic surgery department operation, the expansion precision is uncontrollable, the positioning is not accurate, the working intensity is high, and the working efficiency is low as an operation wound needs to be tracked and expanded by a medical operator manually, the invention discloses a scheme that the device comprises a bed, wherein U-shaped moving bases which are transversely arranged are mountedon both the left edge and the right edge of one end of the bed in a sliding manner, the two U-shaped moving bases slide in the length direction of the bed, guide blocks are fixedly mounted on inner side walls of the tops of the U-shaped moving bases, vertical support rods are rotationally connected with upper sides of the U-shaped moving bases, angle adjusting devices are arranged between the support rods and the U-shaped moving bases. By adopting the device, traction positions, precision and angles of hooks upon an operation wound can be adjusted according to practical situations, the deviceis applicable to traction and positioning of wounds in different positions of chests of different patients, the working intensity of medical operators is alleviated, in addition, the device is simpleto operate and high in working efficiency.

The invention discloses a drainage device special for the thoracic surgery department. The device comprises a drainage tube and a negative-pressure instrument, a silica gel liquid suction head is arranged at the front end of the drainage tube, and a plurality of liquid suction holes are formed in the silica gel liquid suction head; the negative-pressure instrument is connected with the back end ofthe drainage tube, a hemispherical protrusion is arranged in the middle of the drainage tube, and a liquid outlet is formed in the portion between the hemispherical protrusion and the drainage tube;a connection flange is arranged on the outer side of the liquid outlet, a liquid connection bag is communicated with the connection flange through a connection tube, and a first one-way valve is arranged in an inner cavity of a connection tube; a liquid inlet is further formed in the outer wall of the drainage tube, a disinfectant storage tank which is arranged on the outer wall of the negative-pressure instrument is communicated with the liquid inlet through a liquid outlet tube, and a second one-way valve is arranged on the liquid outlet tube. The drainage device special for the thoracic surgery department is simple in structure and principle, drainage on accumulated liquid of the thoracic cavity can be achieved, meanwhile, the drainage tube can also be quickly washed and sterilized, thedrainage tube does not need to be disassembled to be cleaned, and the working intensity of medical personnel is reduced.

The invention provides a method and system for generating a longitudinal lymph node segmentation model, and relates to the technical field of medical image processing, and the method comprises the steps: obtaining lung CT images of a plurality of thoracic surgery patients, carrying out the three-dimensional reconstruction of each lung CT image, and obtaining a three-dimensional image; respectivelycarrying out three-dimensional segmentation on each three-dimensional image to obtain a three-dimensional marked image marked with a real longitudinal lymph node lesion area; grouping the three-dimensional annotation images to obtain a training set, a test set and a correction set; training the training set to obtain a diaphragm lymph node segmentation model; inputting the test set into a longitudinal lymph node segmentation model to obtain a corresponding segmentation image, and calculating the segmentation accuracy of the longitudinal lymph node segmentation model; if the segmentation accuracy is smaller than an accuracy threshold, enabling the correction set to correct the diaphragm lymph node segmentation model; and if the segmentation accuracy is not less than the accuracy threshold,storing the diaphragm lymph node segmentation model. The accuracy of longitudinal lymph node segmentation is effectively improved, manual intervention is not needed, and the practicability is high.

The invention discloses a drainage nursing device for the thoracic surgery department. The drainage nursing device comprises a bed frame, a telescopic frame, a motor and a motor timer, wherein the bedframe is provided with a bottle rack, the upper side of the bed frame is fixedly welded with a bed board, the bed board is fixedly provided with a protection plate, the front end of the bed board ishinged with a backrest, the front side of the backrest is provided with a second sliding groove, the second sliding groove is provided with a back pillow through a second sliding block, the front endside face of the bed frame is provided with a tube clamp, the left side of the tube clamp is provided with a cam, the cam is arranged on the motor, the motor is fixedly arranged on the bed board, andthe bed board is fixedly provided with the motor timer. The drainage nursing device for the thoracic surgery department has the advantages that an exercise device is arranged to selectively exercise the legs to reduce the numbness of limbs, a moving device is arranged and used for moving the hip of a drainage patient to promote the blood circulation, and the tube clamp of the cam structure is arranged to squeeze a drainage tube regularly to avoid the blockage of the drainage tube caused by blood clotting.

The invention discloses a puncture device for the thoracic surgery department. The puncture device comprises a needle body, an injection hole formed in the needle body and a liquid suction cavity formed in the needle body; a liquid suction tube is arranged in the liquid suction cavity, the needle body is provided with a fixing plate, and the fixing plate is provided with a liquid suction connecting head connected with the liquid suction tube; the needle body is provided with an injection mechanism, the injection mechanism comprises a syringe connected with the needle body, the syringe is provided with a liquid suction syringe, and the liquid suction syringe is connected with the liquid suction connecting head. The puncture device can be used for conducting puncture and sucking liquid in one time and injecting medicine, one person can operate the device, and the injection and liquid suction effects are good.

The invention relates to the technical field of a lung protecting device for thoracic surgery department, and provides a lung protecting device for thoracic surgery department. The lung protecting device comprises an arc-shaped housing, wherein a placing groove is formed in the inner concave side of the arc-shaped housing from front to rear; guiding grooves communicate with the left side and rightside of the placing groove; the lung protecting device is mounted on the arc-shaped housing through the pacing groove; each regulating mechanism on the arc-shaped housing comprises a groove which isformed inwards from the side surface of the arc-shaped housing; a reel which penetrates through the arc-shaped housing is arranged between the upper surface and the lower surface of each groove; a sleeve with external threads is fixedly connected to the top surface of the arc-shaped housing; a rotating knob is fixedly connected to the lower end of each reel; a plurality of fastening belts are coiled onto each reel; velcro tapes are arranged on the corresponding fastening belts on the left side and the right side; fixing belts each of which is arranged at the same position of the correspondingguiding groove are arranged on the inner concave side of the arc-shaped housing in a bilateral symmetry manner; and velcro tapes are arranged between the rear side surface of the arc-shaped housing and the fixing belts. According to the lung protecting device disclosed by the invention, mounting and disassembling of the lung protecting device body are convenient, and the lung protecting device isconvenient to replace for a patient in time; and besides, the length of the fastening belts can be regulated, and the lung protecting device is suitable for obese crowds.

The invention discloses a thoracic surgery department cavity scopic surgical instrument taking and storing device including an overturning mechanism, a storing mechanism and a sterilizing mechanism. The storing mechanism is composed of a storage box, self-locking wheels, a box door, a lifting partition plate, a sliding partition plate, a first electric telescopic rod, a connecting plate, a transmission box, a lifting driving motor, a driving sliding block, a driving screw rod, a travel switch, a storage battery, a fixed partition plate and a lifting sliding rod. Through arrangement of the lifting driving motor and the driving sliding block, the position of the lifting partition plate is flexibly adjusted, and placement of devices at different heights on the bottom of the storage box is facilitated; moreover, under the flexible adjustment of the lifting partition plate, the devices at the bottom layer of the storage box are convenient to take; through arrangement of the first electric telescopic rod, the sliding partition plate is convenient to push out, and tools are convenient to place and store; through arrangement of the overturning driving motor and a driven gear, a first overturning plate and a second overturning plate are convenient to adjust, and surgical instruments can be opened and ejected out automatically.

The invention relates to the technical field of chest surgery, and in particular to a multifunctional operation table for chest surgery. The multifunctional operation table comprises a bed frame and arib expander; a bed plate is arranged on the upper surface of the bed frame; a sliding seat is slidably arranged at the end part of the bed frame; the upper surface of the sliding seat is fixedly connected with the bottom of a lifting hydraulic rod; a cross rod is fixedly connected with the top of the lifting hydraulic rod; an illuminating lamp and the rib expander are arranged on the cross rod;a first sliding block sleeves the cross rod; the bottom of the first sliding block is connected with the rib expander through a telescopic rod; the rib expander comprises a mounting shell and a bidirectional hydraulic rod; the bidirectional hydraulic rod is fixedly arranged inside the mounting shell; nesting rods are respectively and slidably nested at two ends of the hydraulic rod; pressure sensors are respectively arranged at end parts of the bidirectional hydraulic rod; and each nesting rod is connected with an expansion plate through a connecting rod. The multifunctional operation table has the advantages of simple structure, convenient adjustment, high automation degree, high applicability, small pain and injury, good stability and convenient popularization and implementation.

The invention discloses a gas supporting type rib retractor for thoracic surgery doctors. The gas supporting type rib retractor comprises a cylinder body, wherein a first connecting arm is fixedly connected to one side of the outer surface of the cylinder body; a duct is arranged at the end of the left side of the cylinder body, and communicates with the cylinder body; a valve is arranged at the middle part of the duct; the duct is connected with an external air pump; a piston disk is in movable clamping connection to the inner part of the cylinder body; a connecting rod is arranged on the side surface of the piston disk; a positioning ring is arranged at the end of the right side of the cylinder body; the connecting rod penetrates through a through hole in the inner part of the positioning ring; a connecting seat is arranged at the end of the connecting rod; an accumulator is arranged in a groove in the end of the right side of the connecting seat; and a cylinder cover is in threadedconnection to the end of the right side of the connecting seat. The gas supporting type rib retractor for the thoracic surgery doctors disclosed by the invention is convenient to use; an air source isused to push traction baffles in one direction to move, so that ribs are supported, medical personnel do not need to perform hand operation, and workload of the medical personnel is reduced; besides,the traction baffles are detachably separated, so that cleaning and disinfecting are convenient, and illumination can be provided; and the gas supporting type rib retractor is convenient for the medical personnel to undergo surgery.

The invention discloses an anti-blocking drainage device for the thoracic surgery department. The anti-blocking drainage device comprises a base; a drainage bottle is arranged on the left side of the top of the base; a fixing assembly is arranged on the left side of the top of the base; a drainage hose is connected to the top of the drainage bottle; a drainage head is connected to the end of the drainage hose; a filter screen is arranged on the drainage head; an air exhaust bottle is arranged on the right side of the top of the base; the drainage bottle is connected with the air exhaust bottle through a connecting pipe; an air suction pipe is connected to the top of the air exhaust bottle; a first one-way valve is arranged on the air suction pipe; an exhaust pipe is connected to the right side of the air suction pipe; a second one-way valve is arranged on the exhaust pipe; an air suction assembly is connected to the end of the air suction pipe; and a damping moving assembly is arranged at the bottom of the base. The drainage bottle is fixed through the fixing assembly, and the fixing effect on the drainage bottle is good; meanwhile, the filter screen is arranged on the drainage head, so that the drainage hose can be prevented from being blocked; the damping effect can be achieved through the damping moving assembly when the device moves; continuous drainage can be guaranteed through air suction of the air suction assembly, and the drainage effect is good.

The invention discloses bletilla glucomannan self-assembled nano particles, and a preparation method and applications thereof. According to the preparation method, bletilla glucomannan dry powder with a molecular weight ranging from 20 to 150kDa is extracted from bletilla striata tuber, and the bletilla glucomannan self-assembled nano particles are obtained via a plurality of steps. According to the bletilla glucomannan self-assembled nano particles, the porosity, the gelling capacity, and the stability of bletilla glucomannan are maintained and improved; no toxic or side effect is caused; the bletilla glucomannan self-assembled nano particles possess excellent biocompatibility, is capable of stopping bleeding, promoting wound healing, and stopping overflow of exudate, and can be used for tissue haemostasis, tissue sealing, and tissue bonding in surgical fields such as general surgery department, orthopedics department, cardiothoracic surgery department, neurosurgery department, and gynaecology and obstetrics.

The invention provides an adjustable thoracic cavity distraction device for the thoracic surgery department. The device comprises a rectangular transverse pipe, a movable hole, a measuring ruler, scale marks, a grabbing handle, a protective shell, a switch, a battery, a metal hose, a lamp holder, a rotatable wound distraction rod device, an adjustable wound distraction plate device, a supporting and containing rod frame structure, a reinforcing and stabilizing plate structure and a detachable garbage containing barrel structure, and the movable hole is formed in the middle of the interior of the rectangular transverse pipe; the measuring ruler is welded on the lower surface of the rectangular transverse pipe; the scale marks are carved on the front surface of the measuring ruler; the grabbing handle is connected to the right side of the outer wall of the rectangular transverse pipe in a sleeving mode; and the protective shell is embedded in the left side and the right side of the uppersurface of the grabbing handle respectively. The device has the beneficial effects that: through the arrangement of the rotatable wound distraction rod device, when in use, the shallower position ofthe wound of a patient can be conveniently distracted, and medical staff can conveniently conduct an operation.

The invention relates to a nursing drainage device for the thoracic surgery department. The device comprises a puncturing needle, the tail end of the puncturing needle penetrates through an adhesive piece and extends into an upper liquid collection chamber, an outlet end of the upper liquid collection chamber is provided with an upper biological nano-membrane, the whole upper liquid collection chamber is sleeved with a lower liquid collection chamber, and an outlet end of the lower liquid collection chamber is provided with a lower biological nano-membrane and connected with a drainage tube; the drainage tube comprises an upper drainage tube body and a lower drainage tube body which are communicated with each other through a rubber hose, the upper drainage tube body is provided with a one-way valve, the lower drainage tube body is provided with a fixing device, a negative pressure air-suction device and a flow meter, and the tail end of the lower drainage tube body is communicated witha drainage bag. By means of the nursing drainage device, the situations that infection occurs in the thoracic cavity and liquid flows back can be avoided, and the device is convenient to fix, easy tooperate and capable of filtering liquid in the thoracic cavity and not polluting the environment; the biological nano-membranes replace water seal and valves, so that the device is convenient to carry and good in use effect.