155results about How to "Expanded surgical field of view" patented technology

The invention relates to the field of medicine, in particular to an augmented reality operation navigation system for reconstructing anterior cruciate ligament. The system is constituted by augmentedreality glasses, operation navigation software for reconstructing the anterior cruciate ligament, binocular vision, labeling needles, femur joint labels, tibia joint labels, a computer and vision tracking software, wherein the operation navigation software, the binocular vision, labeling needles, femur joint labels, tibia joint labels and the computer are installed on the augmented reality glasses, and the vision tracking software is installed on the computer. Before an operation, diagnosis image CT data and MRI data are subjected to image fusing and division processing, three-dimensional reconstruction is conducted, and a reconstructed three-dimensional model is subjected to pre-operation planning; in the operation, the labeling needles are adopted to collect knee joint dissection joints,the collected knee joint dissection joints and the pre-operation knee joint model are rectified, and according to labeling of the tibia and femur, the knee joint three-dimensional model and a planning path are displayed in real time in the augmented reality glasses. According to the augmented reality operation navigation system for reconstructing the anterior cruciate ligament, precise locating of the starting point and the ending point of the anterior cruciate ligament can be achieved, the problem that an existing endoscope technique operation is narrow in vision is solved, and the operationrisks are effectively lowered.

A system is disclosed for cannulating the vena cava of a patient during cardiopulmonary bypass procedures. Such cannulation is necessary for drainage of venous blood from the patient so that it may be oxygenated and pumped back to the patient to perfuse tissues during cardiac surgery and, more specifically, during periods of ischemic cardiac arrest or dysfunction. The device of the present invention not only provides venous drainage for cardiopulmonary bypass, but also performs the function of routing cardioplegic solution through the heart in the retrograde direction. Such cardioplegia provides protection to the heart during periods of ischemic cardiac arrest. This invention replaces a plurality of cannulae currently used for open-heart surgery, thus simplifying the surgical field and improving visibility of the heart. The device allows for the delivery of retrograde cardioplegia to the coronary circulation of both the right and the left side of the heart. The device further includes protection mechanisms to prevent overinflation or excessive pressurization of the right atrium during retrograde delivery of cardioplegia solution.

A laparoscope lens washing-drying device comprises a sleeve, a washing tube, a drying component, a connecting piece and a handle, wherein the nominal dimensions of the inner diameter of the sleeve and the outer diameter of the laparoscope are the same and the sleeve and the laparoscope are in movable fit, two through holes used for mounting the washing tube and the drying component are arranged in the wall of the sleeve, an arc groove is arranged at the rear end of the sleeve, a flushing liquor outlet is arranged on the side wall at the front end of the flushing tube, a flushing liquor control switch is arranged on the side wall at the rear end of the flushing tube, the drying component is a pipe fitting provided with a water sucking sponge, an opening for introducing the flushing liquor into the water sucking sponge is arranged on the side wall at the front end of the pipe fitting, the front end of the flushing tube is inserted in the through hole for mounting the flushing tube on the wall of the sleeve, the front end of the pipe fitting provided with the water sucking sponge is inserted in the through hole for mounting the drying component on the wall of the sleeve, one end of the connecting piece is connected with the rear end part section of the flushing tube, the other end of the connecting piece is connected with the rear end part section of the pipe fitting provided with the water sucking sponge, and the handle is arranged on the connecting piece.

The invention discloses one-time double-clamp cutting-off clamping forceps which comprise double-clamp structures, double-chuck mechanisms, clamping transmission mechanisms, cutting-off blade and cutting-off transmission mechanisms, rotation mechanisms and fixing handle mechanisms. The one-time double-clamp cutting-off clamping forceps have the advantages that two ends, with certain lengths, of each blood vessel can be accurately fixed and can be simultaneously fastened and closed, and each blood vessel with the two fastened and closed ends can be cut off from the middle; the blood vessels can be prevented from being excessively ligatured or cut, and accordingly injury on healthy tissues of human bodies can be obviously reduced; the blood vessels are fastened and cut off by the same instrument at one step, and procedures in which a surgeon extends ligature forceps into a human body at first, fastens and close two ends of a blood vessel, takes the ligature forceps out of the human body, extends a cutting-off appliance into the human body and cuts off the blood vessel can be omitted; the surgical speeds can be obviously effectively increased, and the surgical risks can be reduced; ligature clips are plastic clips with self-locking inverted fasteners, are firm and reliable and can be prevented from falling off; the ligature clips made of recyclable materials can automatically decompose in the human bodies within 6-8 months.

The invention provides a set of instruments for anterior thoracic and lumbar vertebra surgery, comprising a long-handle drag hook I, a long-handle periosteum detacher II, a long-handle osteotome III, a long-handle curet IV and a long-handle endplate curet V; the long-handle drag hook I comprises a drag hook point 1, a head section 2, a body section 3, a back end circular hole 4; the long-handle periosteum detacher II comprises an obtuse head section 5, a body section 6 and a handle 7; the long-handle osteotome comprises a flat osteotome head 8, a body section 9 and a back end 10; the long-handle curet IV comprises an obtuse curet head 11 with hook, a body 12 and a conical handle 13; the long-handle endplate curet V comprises a hollow curet head 14 with elliptic structure, a body section 15 and a handle 16. The invention has advantages of reasonable design, easy manufacture process, and low cost. By using the instruments of the invention, smaller surgical incision, improved surgery range of vision, optimized operative procedure, reduced surgery difficulty, reduced hemorrhage in surgery and shortened surgery time can be obtained.

A large-channel percutaneous spinal endoscope suitable for a microsurgical fusion cage includes a working sheath assembly and an endoscope. A channel portion of the endoscope includes an instrument channel, water inlet channels, an imaging optical channel and lighting optical channels, wherein the central axis of the instrument channel and the central axis of an outer working pipe coincide, and afusion cage assembly is inserted in the body cavity through the instrument channel; the water inlet channels are disposed on the left side and the right side of the upper portion of the instrument channel; the imaging optical channel is disposed under the instrument channel, an imaging optical system is integrated in the imaging optical channel, and the imaging optical channel extends into an endoscope body; the lighting optical channels are distributed on the left side and the right side of the imaging optical channel in a surrounding mode, and the lighting optical channels extend into the endoscope body and are full of densely-arranged lighting optical fibers. The outer working pipe of the endoscope can be inserted in a working sleeve pipe of the working sheath assembly; after the fusioncage and a regulating tool are assembled and inserted, the endoscope rotates with the fusion cage with the axis and the regulating tool as the fixed axis, and the implantation conditions of the fusion cage can be observed in a maximum surgical field of vision. The implantation accuracy is improved.

The invention provides a flexible surgery terminal module. The flexible surgery terminal module comprises a flexible arm and a bending driving mechanism, wherein the bending driving mechanism is used for driving the flexible arm to bend to an assigned direction; and the flexible arm comprises a plurality of bending control rings, a corrugated pipe and a sleeve. The invention also provides a throat minimally invasive surgery flexible robot. The throat minimally invasive surgery flexible robot comprises a linear motion module, a rotation motion module, the flexible surgery terminal module and a surgery instrument channel module. Through the adoption of the flexible surgery terminal module disclosed by the invention, through the cooperation of the flexible surgery terminal module, the linear motion module and the rotation motion module, the surgery view field is enlarged, the edge nidus region can be exposed, the problems that visual sense blind areas and operation blind areas exist in a conventional surgery on larynx are solved, the surgery quality is improved, and the surgery operation precision is improved; and through a multichannel design in the surgery instrument channel module, the replacement and the disinfection of flexible surgery instruments are convenient, so that complicated surgery requirements can be met.

Innovative instrument holders used for minimally invasive surgical simulation and training are disclosed when used in conjunction with a smartphone, tablet or mini-tablet computer enabling visualization of the surgical field. The surgical field used with these instrument holders can include animal models, physical models, and both virtual and augmented reality models. Some embodiments can be used with applications that can be downloaded to the smartphone, tablet or mini-tablet computer in order to enhance specific hand-eye coordination tasks. Some embodiments can be used as an adjunct surgical trainer for endoscopy, colonoscopy, and other minimally invasive gastrointestinal and gynecological surgical procedures using surgical instruments that incorporate fiber optics.

The invention provides a hollow vector support multifunctional protection device for a minimally invasive surgery, which can be applied to minimally invasive surgeries of the oral cavity, pharynx andthroat, digestive tract, respiratory tract, thoracic cavity, abdominal cavity and other cavities. A flap on a protective head of the protection device can be used for protecting an operation area by adjusting an opening degree through an axial movement mechanism of an inner cylinder, and the size of the operation area can be freely adjusted; and the protective head can also be rotated outwards through a pitching mechanism of the protective head to increase an operation visual field, so that vector adjustment of the protective head and the flap is achieved, and the direction, force and size ofthe protective head and the flap can be adjusted as required. The hollow vector support multifunctional protection device is also provided with a gas fluid transfusion and delivery passage and an illumination device on the flap, so that the integration of multiple functions of illumination, flushing, drug administration, cleaning, disinfection, hemostasis, provision of support channels for surgical tools such as a laser scalpel and the like is achieved; and by covering the part between the protective head and a shell and/or between a plurality of flaps with an elastic membrane and the like, the wound of the operation area is reduced.

The invention discloses a skin caring shadowless lamp, and relates to the technical field of shadowless lamps. The skin caring shadowless lamp comprises a base, rollers, a pedal component, a height adjusting component, a main lighting lamp component and auxiliary lighting lamp components. The skin caring shadowless lamp has the beneficial effects that a surgical region is lighted from the directions of the top and the two sides by the skin caring shadowless lamp, so that a surgical lighting range is increased and the surgical visual field range is increased; the overall lighting brightness canbe improved; the brightness can be adjusted; in a surgical operation, the position of the device can be adjusted only by feet, so that the phenomenon of cross contamination is avoided. Four rollers are arranged; the bottom surface of the base is uniformly and rotatably connected with the four rollers in a surrounding manner; the pedal component is fixedly connected to the front end of the base; the two ends of the pedal component are in engaged transmission connection with the two ends of the base; the lower end of the height adjusting component is fixedly connected with the base; the upper end of the height adjusting component is fixedly connected with a main lighting lamp component; two auxiliary lighting lamp components are arranged; the two auxiliary lighting lamp components are symmetrically connected to the left end and the right end of the main lighting lamp component in a sliding manner.

The invention relates to a holeless fornixscope. The holeless fornixscope comprises a puncture channel tube and clamp tubes arranged in puncture channel tube and is characterized in that a spring clamp is arranged in each clamp tube, the spring clamp comprises a clamp end, a connecting rod connected with the clamping end, a handle connected with the connecting rod and a pull wire, the clamp end isa spring piece which is made of an elastic material and bent into a C shape, a first pull wire hole is arranged in the spring piece along the length direction, the connecting rod is provided with a second pull wire hole communicated with the first pull wire hole, the handle is provided with a pull wire adjusting mechanism, one end of the pull wire is fixed in the free end of the spring piece, andthe other end of the pull wire penetrates the first pull wire hole and the second pull wire hole and is fixed to the pull wire fixing mechanism. The holeless fornixscope has the advantages that lesion position finding efficiency is increased greatly, the clamping strength of a lesion position or a to-be-treated position can be precisely controlled, and the degree and chance that a body is hurt bythe clamping are reduced to the maximum extent.

The invention relates to a medical appliance, in particular to a parallel surgical spreader which comprises parallel handles, pulleys, sliding chutes, stretching handles, a rotating shaft, an annular holder and clamp handles, wherein the two parallel handles which are parallel to each other are positioned at the left and right sides of an X-shaped frame formed by the two stretching handles, and the pulleys at the end parts of the two stretching handles are respectively positioned in the sliding chute of the parallel handle on the same side and can freely slide along the sliding chute. The pulleys at the lower ends of the two stretching handles are respectively connected with one end of the two clamp handles and are in rotating movable fit, the shaft is arranged at the intersection of the two clamp handles, and the two clamp handles are connected with the shaft and are in rotating movable fit with the shaft. The invention realizes that the incision can be pulled under the condition that the parallel handles are parallel to each other, thereby greatly widening the surgical field and improving the surgical quality compared with the prior art.

The invention discloses an operation repositor having an external endoscope and being used for left displacement of abomasum of cows. The operation repository comprises a high-pressure air source, a suture line, a reset needle, and a propelling device. The propelling device is externally provided with a portable endoscope. The outer edge of the propelling device is smooth. The propelling device comprises a propelling unit, an air supply unit which is on the tail part of the propelling unit and is connected with the propelling unit, and a needle storage bin which can hold the reset needle. Theair supply unit comprises a gas pipe and a connector. The head of the needle storage bin is provided with a needle outlet hole for the reset needle to pass through. The needle storage bin is providedwith a line leading groove on the needle outlet hole. The propelling unit comprises a main cylinder, an air cylinder, a piston, a piston rod, and a buffer cushion. The tail part of the air cylinder isout of the main cylinder and is connected with the connector of the air supply unit. The piston rod passes through a guide pipe which is arranged on the bottom of the main cylinder and enters the needle storage bin. The tail part of the reset needle is fixed on the head of the piston rod. The gas pipe is connected with the high-pressure air source. The gas pipe can be flexibly bended, and reducescompression on visceral organs, and reduces operation time.

The invention discloses an anorectal anastomat. The anorectal anastomat comprises a handle seat, a transmission assembly, a percussion assembly and an osculating assembly, wherein the transmission assembly comprises a screw rod arranged in the handle seat and an adjusting mechanism which is arranged at the tail end of the handle seat and connected with the tail end of the screw rod; a nail abutting seat is fixedly mounted at the front end of the screw rod; the percussion assembly comprises a movable handle arranged on the handle seat and a straight push rod arranged on the screw rod in a sleeving manner; and the osculating assembly comprises a nail pushing piece, a nail bin sleeve, a nail bin and an annular knife. The nail pushing piece and the nail bin sleeve adopt triangular support structures, so that the pull-out gap of excised tissue during an operation is increased, and the operation space and the operation view are greatly increased; and meanwhile, the nail pushing piece, the nail bin sleeve and the nail bin are made of metal materials, the rigidity of parts is good, deformation in the operation process is avoided, the anorectal anastomat is convenient to use, and the operation quality is greatly improved.

The invention discloses a breastbone drag hook. The breastbone drag hook comprises a base, an electric telescopic rod, a horizontal rod and drag hooks, wherein the lower end part of the electric telescopic rod is vertically fixed to the base, and a rotating shaft and a supporting plate are arranged at the upper end of the electric telescopic rod; an inserting hole which is inserted into the rotating shaft is formed in one end of the horizontal rod; the bottom of the horizontal rod is supported by the supporting plate; the drag hooks are connected with the horizontal rod; each drag hook comprises a connecting rod and a drawing claw; each drawing claw is mounted on the corresponding connecting rod, and is used for drawing the breastbone of a human body; a sterile disposable sleeve sleeves each drawing claw; and a plurality of gas storing bags which can be cut by a scalpel are arranged on the surface which is in contact with the breastbone of the human body, of the sleeve. According to the breastbone drag hook disclosed by the invention, during an operation, the gas storing bags which are pressed on blood vessels or nerves are cut by the scalpel, so that a sunken part is formed in thelocation of the breastbone drag hook, the situation that the blood vessels or the nerves are pressed is avoided; the horizontal rod does not cross an operating table, and the telescopic rod is also not arranged on the standing side of a doctor, so that the operation view field is greatly enlarged; and materials of components including the telescopic rod, the horizontal rod, the drawing claws andthe like can resist high temperature, so that the high-temperature sterilization condition of operation instruments is met, and the risk of operation infection is reduced.

The invention discloses an oral cavity drag hook system and a using method thereof. The oral cavity drag hook system comprises an oral cavity drag hook device, a soft palate drag hook device and a pharyngeal back wall soft tissue opening device, wherein the oral cavity drag hook device comprises a tongue pressing component, a first adjusting part and an upper tooth opening component; the tongue pressing component and the upper tooth opening component are both connected with the first adjusting part, and the first adjusting part adjusts the tongue pressing component and the upper tooth openingcomponent to expand the lower jaw and the upper jaw; the pharyngeal back wall soft tissue opening device is positioned above the oral cavity drag hook device and comprises two soft tissue opening components and a second adjusting part connected with the two soft tissue opening components, wherein the second adjusting part adjusts the two soft tissue opening components to distract the pharyngeal back wall soft tissue; the soft palate drag hook device is positioned between the two soft tissue opening components, and the oral cavity drag hook system is easier to dilate the oral cavity, so that the back wall of the oral cavity pharynx is shown in front of an operator as much as possible, thereby maintaining a good and stable operation visual field, and meeting the requirements of the operator.

The invention relates to the field of medical products, and aims to provide a puncture set and a heating device applicable to the puncture set. The heating device applicable to the puncture set comprises a heat source, a driving device, an air heating device and a solid heating device, wherein the driving device is used for driving the heat source to emit heat, the air heating device and the solid heating device are used for heating an endoscope, one end of the air heating device is connected with an air inlet of an outer sheath, the other end of the air heating device is connected with an inner cavity of the outer sheath, and the solid heating device comprises a contact part for contacting with the endoscope. The endoscope can be heated by the heating device without inserting the endoscope into the outer sheath or extracting the endoscope from the outer sheath, generation of fog shielding operation fields is avoided, and operation efficiency is improved.