315results about How to "Reduce surgical trauma" patented technology

A robot aided surgical system for the bone setting operation with the locking intramedullary nail is composed of multifunctional automatic operation bed, robot, bone setting regulator on said robot, bone fixing mechanism, high-accuracy full-automatic X-ray machine with C-shaped arm, navigation robot, robot controller, master hand control station, and slave hand control station.

The present invention relates to a knee joint prosthesis including femoral and tibial components. The bodies of the components possess a network of channels which may be used to deliver bone cement to the component bone interface after the components are implanted. The body of the femoral component possesses a network of channels which is in communication with a bore on the distal surface of the component which may be used to deliver bone cement into the network of channels after the component is implanted. The body of the tibial component possesses a network of channels which is in communication with a bore on the proximal surface of the component which may be used to deliver bone cement into the network of channels after the component is implanted. The components are suitable for implantation using arthroscopic as well as open surgical procedures. The components may be used as unicondylar implants in either compartment of the knee or in both compartments of the knee.

The invention discloses an artificial half pelvic prosthesis with a support structure, comprising an ilium side prosthesis and an acetabulum side prosthesis which are provided with a plurality of bolt holes, and a hook-like support structure arranged at the sacrum part justly is arranged at the edge end of the ilium side prosthesis; the ilium side prosthesis is hemispherical, an extension arm is arranged inwards, and a hook-like support structure arranged below the public rami at the same side or the opposite side is arranged at the tail end below the arm. In the invention, by adopting the support structure, interfacial stress between the prosthesis and the residual pelvis is converted into pressure stress from shearing or tensile stress, so as to improve the stability of the prosthesis. Moreover, a special inserted support structure or an inserted intramedullary stem structure is adopted at the connecting part of the prosthesis and a horizontal ramus of pubis, more femoral blood vessels and nerves on the surface are not needed to be exposed in the operation, the inserted type support structure or the intramedullary stem is directly inserted in the stump of the horizontal ramus of pubis, so as to simplify the operation and reduce risks of bleeding and injuring vital nerves and blood vessels.

A post-occlusion chamber collapse canceling system for a surgical apparatus that detects the breaking of occlusions by tissue fragments in the distal end of the aspiration path and produces a response consisting in a transitory blockage of the distal end the aspiration path to terminate the chamber collapse and a transitory venting of the aspiration line to relieve the vacuum, in a way that post-occlusion chamber collapses are cancelled.

The invention discloses an acetabulum parastyle and posterior column united steel plate. The united steel plate is composed of a main plate, a parastyle steel plate and a baffle which are connected into a whole. At least two threaded holes are formed in the main plate and are arranged along the bow-shaped edge from the proximately-bow-shaped edge face of the fossa iliaca. The axis of each threaded hole is vertical. One side of the main plate is bent downwards and extends to the square area above the ischial spine to form the baffle. The curved surface formed by the lower surface of the baffle and the lower surface of the main plate is matched with the curved surface formed by the corresponding proximately-bow-shaped edge face of the fossa iliaca, the surface of a bow-shaped edge from the front edge of the sacroiliac joint and the surface of the square area above the ischial spine of the acetabulum bone. A plurality of fixed screw holes are formed in the baffle. The parastyle steel plate extends to the ramus superior ossis pubis from one end of the main plate along the surface of the proximately-bow-shaped edge face of the fossa iliaca. A parastyle fixing screw hole is formed in the parastyle steel plate. The bone fracture plate is easy and convenient to operate, high in safety, small in operation wound, and capable of being used for simultaneously drawing in fractured acetabulums of the parastyle and the posterior column.

The invention relates to the field of medical instruments, in particular to an intestinal microcapsule robot with a multi-directional living body sampling function. The robot comprises a capsule shell, a controller, a propeller, motors, driving motor shafts and a sampling device, and the controller, the propeller, the motors, the driving motor shafts and the sampling device are arranged in the shell; a plurality of sampling ports are formed in the outer wall of the capsule shell along the circumference at equal intervals, the shell is internally provided with sampling grooves corresponding tothe sampling ports, and each sampling groove is internally provided with a sampling device and extends into the corresponding sampling port in the outer wall of the capsule shell from the interior ofthe capsule shell; each sampling device comprises a cam arranged on the center line in the capsule shell, a roller follower and a biopsy module facing the corresponding sampling port, the cams are connected with the motors through the driving motor shafts, and the roller followers are arranged at the tail ends of the biopsy modules and evenly distributed around the cams; each biopsy module comprises a fixed plate, a jacking rod, a movable plate and biopsy forceps arranged on the movable plate, the fixed plates are connected with the roller followers, and the movable plates are connected with the fixed plates through return springs. The intestinal microcapsule robot has the advantages of simple structure, precise sampling and small surgical trauma.

The invention discloses a parallel robot for prostate flexible needle particle implanting, and relates to the field of minimally-invasive medical apparatuses. The parallel robot has the advantages ofbeing small in size, compact in structure, convenient to operate, free of guide of guiding plates and the like. The parallel robot comprises a parallel posture adjustment mechanism, a flexible needleparticle implanting mechanism, an ultrasonic image navigation mechanism and multiple sensors; a parallel four-degree-of-freedom mode is adopted, the stability of the rigidity of a tail entry needle isimproved, and the outer needle movement flexibility of the flexible needle particle implanting mechanism is also met; a rotary-motor-driven flexible needle is adopted as an inner needle, an arc trackcan be formed through puncturing, obstacles of nerves, blood vessels and the like of the prostate are avoided, and the task of many needles at one point is completed. The ultrasonic image navigationmechanism is installed on a supporting base of the parallel posture adjustment mechanism, and can complete linear translation, pitching, yawing, and rotation around the center line of the ultrasonic image navigation mechanism, and focus target images are obtained via the anorectum so that a doctor can make corresponding processing according to real-time needle entry situations of particle implanting needles. The parallel robot is merged with the multiple sensors, so that the doctor conveniently carries out data observation and precise operation in a surgery, and the requirements for high precision positioning of entry needles and the safety of the surgery are met.

The invention relates to an operation positioning navigating device which is mainly used for positioning an operation position and performing operation navigation during medical operation so as to beused for various operations requiring positioning navigation. The operation positioning navigating device comprises an upper indicating plate, a lower indicating plate and an optical positioning navigating device, wherein the upper indicating plate is provided with an upper positioning block, and the lower indicating plate is provided with a lower positioning block. The operation positioning navigating device has reasonable structure and design, good service effect, rapidly and accurately positions the concrete positions of foreign bodies or pathological tissue inside a human body, increases the operation safety, improves the operation accuracy, and reduces the radiation exposure as well as operation wound.

The invention discloses a double-saccule blood vessel inner conduct pipe wherein the pipe is provided with an opening on one end, and a securing sleeve on the other end, the outer wall of the pipe is covered by a first saccule and a second saccule spaced by a finite distance on the opening end of the pipe, the saccule tube connector is inserted into the inner cavity of the pipe through the securing sleeve and is in communication with the inner cavities of the two saccules. The pipe is provided with a blood output hole, which is provided with a blood transfusion tube.

The invention relates to a panoramic spine endoscope device. The panoramic spine endoscope device comprises an expansion barrel, and an endoscope supporting column is installed on the expansion barrel. The panoramic spine endoscope device is characterized in that an endoscope and an instrument passing hole are formed in the expansion barrel, a resisting assembly is arranged below the expansion barrel, and a soft tissue reactor piece is arranged above the expansion barrel; meanwhile, a plurality of fixing holes are formed in the tail of the endoscope supporting column, a multifunctional piece assembly is connected to the endoscope supporting column, and an auxiliary fixing assembly is arranged on the endoscope supporting column. Thus, the requirement for switching use of a single-endoscope structure and a double-endoscope structure is met, the left and right side faces of an internal fixator and even the exterior of the expansion barrel can be seen in a time-sharing mode, and dead-zone-free panoramic observation is achieved; observation dead zones can be eliminated, and the 3D observation effect can be achieved.

The invention discloses a cow LDA operation reset device by pressing a push needle. The cow LDA operation reset device comprises a reset needle pressing device and a reset needle, wherein the reset needle is provided with a wire bonding hole. The outer edge of the reset needle pressing device is smooth, and the reset needle pressing device comprises a transmitting tube, an ejection portion and an electromagnetic induction device. The reset needle is a straight needle, the back end of the reset needle is located in the ejection portion, and other parts of the reset needle are located in the transmitting tube. The ejection portion comprises a blowing head, and a clamping shoulder is arranged on the blowing head. The reset needle pressing device further comprises a limiting device, and the limiting device and the clamping shoulder can be clamped. The electromagnetic induction device comprises an electromagnet arranged in a sliding mode, and the electromagnet is in linkage fit with the limiting device. By means of the cow LDA operation reset device, the operation can be simplified into an operation with one side incised, and the survival rate of cows with serious diseases can be effectively improved; the reset needle can be delivered to an object position conveniently, the reset needle can be protected effectively, and the accidents that internal organs are pricked by the reset needle can be reduced; through the adoption of voice control positioning, there is no need for an assistant to help from the right side, and the cow LDA operation can be completed just by one person.

The invention relates to an individual biomimetic dental implant and a making method thereof, and the individual biomimetic dental implant includes an implant body imitating an original teeth root tissue structure of a missing tooth of a patient, a bionic artificial alveolar bone structure outer layer which is bonded with the outer surface of the implant body into one body, and biological protein molecule-bone morphogenetic protein (BMP) which is attached to the bionic artificial alveolar bone structure outer layer. The implant body and the bionic artificial alveolar bone structure outer layer are overall 3D-printed, and are similar to the original teeth root tissue structure and the alveolar bone tissue structure of the missing tooth of the patient, and the BMP-modified biological protein molecule promoting rapid bone formation is added, so that an ideal bionic artificial teeth root tissue structure is provided. The most important is to provide a good biological activity structure which is conducive to bone marrow stem cell and bone formation-related cell adhesion, proliferation and mineralization to finally play the osteogenic function, a bone formation promotion microenvironment is created, bone cell formation is induced, and early rapid and strong bone combination can be realized.

The invention relates to a novel cervical vertebra dynamic internal fixing device, which comprises an artificial cervical vertebra body and an artificial intervertebral disc. The artificial cervical vertebra body is inlaid on any vertebral body of the third section to the seventh section of partially cut human cervical vertebra. Two screw holes and two clamping grooves are symmetrically arranged on the artificial cervical vertebra body. A vertebral pedicle screw which is fixedly connected with the section of the human cervical vertebra body and a vertebral pedicle is arranged in each screw hole in a penetrating way. A vertebral pedicle screw lock pin cross bar is positioned and clamped between the two clamping grooves. The artificial intervertebral disc is arranged at the upper end and the lower end of the artificial cervical vertebra body, is arranged at a vertebral gap between an upper vertebral body and a lower vertebral body close to the position of the artificial cervical vertebra body, and comprises artificial nucleus pulposus and an artificial end plate. A screw hole is arranged on the artificial end plate. An artificial end plate fixing screw which is fixedly connected with the corresponding section of the artificial cervical vertebra body is arranged in the screw hole in a penetrating way. By adopting the internal fixing device, the invention has the advantages that the surgical invasion is small, the operation is easy and the dynamic fixation of the cervical vertebra after the subtotal excision of an anterior cervical single vertebral body can be realized.

The invention discloses a spiral bone plate for use on the outer side of the proximally middle section of a humerus. The head part of a plate body is provided with a plate-shaped part(1), and the tail part is a strip-shaped part(2); and a plurality of connecting holes(3) are distributed on the plate-shaped part(1), a plurality of fixed holes(4) are distributed on the strip-shaped part(2), the plate-shaped part(1) is wider than the strip-shaped part(2), and a spiral part(5) used for transition between the plate-shaped part(1) and the strip-shaped part(2) is arranged between the plate-shaped part(1) and the strip-shaped part(2). The bone plate has the advantages of narrowing a stripping range of a dead point of the deltoid muscle, reducing the influences of the long head tendon of the biceps brachii, avoiding affecting the slide of the tendon, reducing operative wound and operation time and facilitating the functional rehabilitation after the operation.

The shape memory alloy microwound intervertebral fusion device for fixing vertebral column of human body in the course of surgical operation. Said fusion device is a hollow cylinder, between upper portion and lower portion of external side of said hollow cylinder a ring of vertical ribs is set, on the vertical rib the ring barbed teeth rings are set from top to bottom, the vertical rib and the ring barbed teeth ring are crossed to form small hle, and two vertical ribs and parallelly arranged and formed into motion combination surface, the upper end of said fusion device is equipped with ring arranged teeth, and the lower end of said fusion device is equipped with sealing cap on which the cap fastener is set, and the external side of lower bottom edge of said fusion device is equipped with fastener seam, and said cap fastener is fastened on the fastener seam.

The invention discloses a thrombus removing sleeve and a thrombus removing balloon catheter assembling kit for treating thromboembolic diseases in a percutaneous puncture cavity. The thrombus removingsleeve comprises a thrombus removing passage catheter with a thrombus leading-in umbrella and an umbrella cover releasing assembly, wherein the umbrella cover releasing assembly is used for controlling the folding compression or release of the thrombus leading-in umbrella. A thrombus removing balloon catheter is a single-cavity balloon catheter, and is matched with a guide wire through a side wall guide wire hole of a guide section, so that the cross section area of the thrombus removing balloon catheter is reduced; the thrombus removing balloon catheter is matched with the thrombus removingsleeve, so that thrombus in arteries and veins can be effectively and rapidly removed; and the thrombus removing sleeve is particularly suitable for use under the condition of high-load thrombus embolism of the arteries and veins of limbs, so that a patient is benefited.

The invention belongs to the technical field of medical devices for treating rib fracture, and in particular relates to a locking compression thoracic wall external fixation device. The locking compression thoracic wall external fixation device comprises an external fixation plate, and a penetrating expansion unit which is arranged on the external fixation plate, penetrates through the thoracic wall, and outwards presses the softened and collapsed thoracic wall to the external fixation plate in an expansion and outwards traction jacking manner for realizing external fixation of the thoracic wall. The invention aims at providing the locking compression thoracic wall external fixation device, after an expansion ball is inserted into the thoracic wall, the softened and collapsed thoracic wall is outwards pulled and jacked up and outwards pressed on the external fixation plate, and thus the purpose of active fixation is achieved. The locking compression thoracic wall external fixation device has the advantages that the structure is simple and effective, the thoracic wall fixation stability is good, the fracture end sets and realizes alignment, the fixation effect is good, and the surgical trauma is small.

The invention discloses an olecroanon locking proximal humerus plate, which is an integrated plate with a head part and a body part, wherein the head part comprises a face part and a vertex part, and the face part and the vertex part are bended into an angle of 104-115 degrees; the head part is provided with a group of locking holes; the body part is provided with a group of locking holes and pressurizing holes; an angle of inclination of the lower section and the upper section of the body part is 5-9 degrees; the vertex part of the head part is provided with a first locking hole and a second locking hole; a nape is arranged between the first locking hole and the second locking hole; the face part of the head part is provided with a group of thread locking holes and a group of small holes for temporary fixing; and the tail end of the body part is provided with 1-3 holes for temporary fixing. The locking plate can treat olecranal fracture and at the same time complicate fracture shaft ulna, has good olecroanon attach performance with human body, no need of shaping during clinical practice, is convenient for operation, has good stability, and can improve the treatment effect.

The invention aims at the problem of large trauma of plate and screw removal surgeries to study a minimally invasive plate and screw removal method. An internal fixing screw positioning device is invented according to the method, and comprises a base, a vertical rod, a sleeve rod, a slide box, a positioning rod and a puncture nail. The device turns the cutting for positioning into percutaneous closed positioning for minimally invasive removal of the internal fixing plates and screws. The internal fixing screw positioning device is used in an operation in the way: firstly, an incision with 1.5 to 2 cm length is cut at one end of the original incision, then the top end screws are found and the base is inserted to be screwed tightly and be fixed, the distance between the target screw and the base screw is measured through an X-ray film or a plate model; the positioning rod is adjusted to determine the body surface projection of the screw, the puncture screw reaches the screw cap along a puncture guiding hole, a hollow sleeve tube is spread and the screw is removed by a screwdriver, and finally the hollow sleeve tube is moved to remove the adjacent screw. The base screw is taken out after other screws are removed, and the plate is extracted from the incision.

The invention discloses a phallic allogeneic accellular patch thickening and lengthening surgery. The surgery comprises the following steps that a V-shaped incision with the length of 4.0 cm is incised from the middle of the symphysis pubis to the two sides of the base of the penis, the skin and the subcutaneous tissue are sequentially incised, blunt dissection is performed to enable the penis, the shallow suspensory ligaments and the deep suspensory ligaments to be completely exposed, and an electrotome is utilized to transversely and downwards incise all the shallow suspensory ligaments and the deep suspensory ligaments to the crural penis; strict blood stopping is performed, a deep wound is washed with a gentamicin aqueous solution and sutured with a NO.7 suture in the mode of double number eight, the superficial fascia is longitudinally and closely sutured with a NO.4 suture, and the subcutaneous tissue and the skin are interruptedly sutured with a NO.1 suture. The phallic allogeneic accellular patch thickening and lengthening surgery has the advantages of being little in surgical trauma, short in surgical time, safe, painless, little in bleeding, rapid in postoperative recovery, high in anti-infection ability and ideal in treatment effect.