151results about How to "Fast postoperative recovery" patented technology

The invention provides a balloon guide catheter, and in particular relates to the technical field of medical apparatus and instruments. The catheter is a composite pipe composed of an outer tube, an inner tube, and a suction tube positioned at the far end of the catheter which are coaxial, and a flexible balloon capable of realizing the full or contraction state is connected to the outer layer ofthe far end of the outer tube; an annular cavity between the inner tube and the outer tube forms a balloon filling cavity; the far end of the inner tube is welded to the near end of the suction tube;an inner cavity of the inner tube is connected with the inner cavity of the suction tube in series to form a guide cavity of the catheter, namely, a thrombus suction cavity; a main inner hole of a Y-shaped joint communicates with the inner cavity of the inner tube to form a wire guide cavity and the thrombus suction cavity; and the axis of side holes of the Y-shaped joint and the axis of the maininner hole of the Y-shaped joint have intersection at the near end direction of the catheter to form an acute angle, and the side holes of the Y-shaped joint and a gap between the outer wall of the inner tube and the inner wall of the outer tube communicate to form the balloon filling cavity. For the balloon guide catheter, during the interventional treatment process, blood flow can be blocked, sothat small broken thrombus is prevented from blocking the far end, and meanwhile, large thrombus blocks at the near end can be sucked, so that the surgery effect is greatly improved.

The invention relates to a method for constructing a blood vessel, in particular to an injection type vascularized adipose tissue and a construction method thereof. In the invention, autologous cells are used for simulating a natural vascular tissue, and a natural biological material is used for packaging tissue cells to form microballoons; smooth muscle cells and endothelial cells are compoundedto form a blood vessel structure by utilizing gaps of the microballoons as blood vessel forming channels to obtain an artificial tissue with a blood vessel structure; by simulating the natural vascular tissue, adipose stem cells are packaged into the natural material to prepare the microballoons; and a vascularized factor slow release system is combined to construct the injection type vascularized adipose tissue. According to the invention, the injection type vascularized adipose tissue can be constructed in vitro or in vivo and used for repairing small and large soft tissues, can stably exist in the human body for a long time, has small operational injury and quick postoperative recovery and also can be used for an in vitro biochemically or pharmacally researched model. The method for constructing the blood vessel and the artificial tissue also can be used for other artificial tissues, such as liver tissues, cartilaginous tissues, and the like.

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.

The invention relates to a ball throwing and catching type rehabilitation training device comprising a base, a ball launching bracket, a launching ball device and a matched automatic control system; the ball launching device comprises an installation bottom plate, a launching guide rail, a launching stepping motor, a lead screw, a magnet support, an electromagnet and a spring. The automatic control system comprises a microcontroller, a Bluetooth module, a stepping motor driving board and a storage battery. The power input end of the stepping motor driving board is connected with the storage battery, the stepping motor driving board is electrically connected with the microcontroller, the microcontroller is electrically connected with the Bluetooth module, the microcontroller sends a controlsignal to the stepping motor driving board, and the stepping motor driving board drives the launching stepping motor to move; the electromagnet is electrically connected with the microcontroller. Theball throwing and catching type rehabilitation training device is ingenious in structure and reasonable in design, can automatically launch exercise balls, enables a patient to receive the balls forexercise, improves the upper limb joint movement range and trunk control capacity of the patient, improves the balance control and hand-eye coordination capacity of the patient, and enables the patient to reach the state that upper limbs are controlled to be retracted and released freely.

The invention discloses a photo-stimulation and signal acquisition probe, which comprises a probe substrate, wherein the probe substrate comprises a front end part and a rear end part, wherein the front end part, which is of a sharp structure, is implanted in an organism, and the front end part is provided with a sensor and a light emitting source; and the rear end part is provided with a sensor electrode electrically connected to a sensor, a light emitting source electrode electrically connected to the light emitting source and a public electrode. The probe provided by the invention, which is simultaneously integrated with a light emitter light emitting unit and a sensor detection unit for photo-stimulation, can facilitate operations.

The invention relates to a distal automatic cutting bone core extraction device which belongs to the technical field of orthopedic surgical equipment, and is used for complete extraction of a bone core with the length being multiple times of diameter length of the bone core, and the technical scheme is as follows: the device comprises a positioning needle, a soft tissue separator, a positioning sleeve, a path-opening trephine, a cutting trephine and a drillstock, wherein the path-opening trephine and the cutting trephine are cylinders, cutting teeth are circumferentially arranged on the upper edge of the end surface of the wall of the distal cylinder, two pin holes are arranged on the wall of the proximal cylinder, the path-opening trephine cylinder and the cutting trephine cylinder have the same inner diameter and the same outer diameter, cutting-off teeth which are arranged obliquely are fixedly arranged on the inner wall at the lower end of the cutting trephine, and scales along the direction of a long shaft are arranged on the surface of the outer wall of each cylinder. By utilizing the device, the difficult problem that the bone core with the length being a plurality of times or even more than ten times larger than the diameter can not be extracted completely at the distal end in an orthopedic surgery is solved, thereby having the ground-breaking significance; and the device is mainly used for extracting the bone core with complete shape from a thick bone block through a blind hole, and especially applicable to extracting the bone cones with femur proximal or distal expansion parts and tibia proximal expansion parts.

The invention provides an artificial structure capable of being used for rapidly regenerating vascularized tissue and a construction method of the artificial structure. The artificial structure includes cell/hydrogel microspheres, tissue-related cells, vascularized cells, growth factor slow-release microspheres and a carrier material, wherein tissue-related cells are uniformly distributed in the cell/hydrogel microspheres, and the outsides of the microspheres contain a vascularized cell layer; and the cell/hydrogel microspheres, the tissue-related cells, the vascularized cells and the growth factor slow-release microspheres are uniformly distributed in the carrier material. The artificial structure provided by the invention can be cultured in a bioreactor to obtain a vascularized tissue precursor with a vascular-like network structure, or transplanted into the body to regenerate vascularized functional tissue. The obtained tissue precursor or functional tissue has certain physiologicalfunctions and can be used for in-vivo and in-vitro studies such as tissue development, disease occurrence, drug development and detection, tissue regeneration and repair.

A bionic elastic fixing device relates to orthopedic medical devices, and is used to implement bionic elastic internal fixing for joint dislocation. The device consists of an elastic component (1) and a fixing assembly (2, 3, 4). The elastic component (1) may be multiple strip-shaped elastic mesh pieces, and has the assembly direction being the same as the ligament fibers at the joint required to be fixed. The elastic modulus of the elastic component (1) matches the elastic modulus of the ligament fibers at the joint required to be fixed. Two ends of the elastic component (1) are fixedly connected to the dislocated joint by the fixing assembly (2, 3, 4). The elastic component (1) has the same shape as the ligament fibers at the joint required to be fixed.

The invention discloses a nutritious food for promoting postoperative recovery and application thereof. The active ingredients of the nutritious food are mainly prepared from the following raw materials in parts by weight: 0.5-2 parts of dietary fibers, 5-15 parts of glutamine, 5-10 parts of arginine, 0.001-0.002 part of carotenoid, 0.07-0.09 part of vitamin E, 0.15-0.35 part of vitamin C, 0.002-0.004 part of zinc, 0.00003-0.00007 part of selenium and 0.2-0.5 part of carboxymethyl pachyman. The nutritious food disclosed by the invention can effectively promote wound healing of postoperative patients, reduce the peroxidation damage, enhance the human immunity and alleviate harmful or excessive inflammatory response, and an effect of promoting the postoperative recovery is further achieved. In addition, the nutritious food has the advantages of comprehensive and reasonable nutrition, safety and zero side effect.

The invention belongs to a medical instrument, in particular to a dynamic locking screw which comprises a fixation screw. The dynamic locking screw is characterized in that a thread casing is arranged outside the fixation screw, and a shaft end of the fixation screw is provided with a structure of a polish rod with an outer thread; a hollow structure with an inner thread is adopted on the inner surface of the thread casing; and the fixation screw and the thread casing are fixed together in a manner that the inner thread is connected with the outer thread to form a dynamic elastic micro motion structure in which the thread casing can move axially along the fixation screw. The invention provides motions nearly parallel to a fracture part for a patient through the dynamic structure in which the thread casing can move axially along the fixation screw, so that the dynamic locking screw has greater potentials to form an annular callus with higher mechanical strength, thereby a quicker and more stable healing process is provided and the formation of asymmetrical poroma is avoided. The dynamic locking screw has the advantages of small wound, simple operation, quick postoperative recovery and the like.

The invention discloses an inflatable brain retractor. The inflatable brain retractor comprises a retractor body, a puncture guide needle and a guide needle core, wherein flexible soft materials are adopted for the retractor body to form a hollow structure formed by combining an outer layer membrane and an inner layer membrane, an inflating valve is arranged on the retractor body, the puncture guide needle is a hollow round tube, a wire groove is formed in the circumferential tube wall of the puncture guide needle, the guide needle core is inserted from the middle of the retractor body, and the guide needle core and the retractor body are together guided into the hollow position of the puncture guide needle. Besides, the invention discloses a using method of the inflatable brain retractor. According to the inflatable brain retractor and the using method of the inflatable brain retractor, the inflatable brain retractor can reach the hematoma portion and other operational sites through a puncture operation with smallest injury to the brain tissue, and the operation procedure can be directly observed after the brain tissue is fully expanded by the retractor.

The invention discloses a minimally invasive positioning tool for a laparoscopic surgery and a protected supporting and positioning method of the tool, and relates to a minimally invasive positioning tool and a minimally invasive surgery method. A pneumoperitoneum operation mode of an existing laparoscopic surgery is very harmful to human bodies and large in wound, surgical difficulty and dangerousness are increased, other pneumoperitoneum modes are very harmful to patients and cause many complications, and standard operation is difficultly realized as an affected part of an abdominal cavity needs to be cut by the aid of experience of a doctor due to a narrow surgical field. A unilateral slide can be connected with a detachable base, a movable base is in sliding fit with the unilateral slide, a supporting component is arranged on the movable base, a buffer type guide head is arranged at one end of an intubation tube, a gas filled bag is arranged inside the intubation tube and communicated with a gas source, and a plurality of slot holes are formed in the intubation tube. The protected supporting and positioning method is characterized in that the gas source is started, gas flow with a gas pressure value P is led into the gas filled bag of the intubation tube, and the gas filled bag is filled with gas to form multi-point supporting or arc-shaped supporting. The minimally invasive positioning tool and the protected supporting and positioning method are used for the laparoscopic surgery.

The invention discloses an occluder intervention conveying device, which comprises an outer sheath, an outer sheath inner core, an inner sheath and a hemostasis valve, wherein the outer sheath comprises an outer sheath head end, an outer sheath body and a tail end opening; the outer sheath head end is provided with a side opening; an inner structure of the part over against the side opening is a turning inclined surface; the inner sheath is inserted in the outer sheath body and penetrates through the side opening to be turned; the hemostasis valve is used for being connected with the tail endopening of the outer sheath in a buckling manner; and the outer sheath inner core is used for being placed in the outer sheath body as a support when the outer sheath is punctured. According to the occluder intervention conveying device disclosed by the invention, the occluder conveying operation can be realized by ultrasonic guidance, the operation process has no radioactive wound and drug injury on staffs without radiography, the outer sheath with a turn angle leads to the inner sheath to make a turn in the heart, the punctured part does not need to be oppressed and braked to stop bleeding,the post-operative patient can walk immediately, the post-operative recovery speed is quick and the operation pathway is short; in addition, the occluding steps are simplified, the occluding time is saved, the occluding firmness and stability can be guaranteed, the radioactive radiography equipment is not needed and the medical cost is low.

The invention provides a dynamic-pressurizing-locked bone screw and a use method thereof. The dynamic-pressurizing-locked bone screw comprises a screw sleeve and a screw core, wherein the screw core comprises a top cap, an unthreaded rod and a screw head, the screw sleeve sleeves the periphery of the unthreaded rod and the periphery of the screw head, a gap exists between the screw sleeve and the unthreaded rod, and the screw sleeve is connected with the screw head. Through the dynamic-pressurizing-locked bone screw, which achieves that a fracture site moves almost parallel to the fracture site through fixing lateral cortices, the stress concentration of the root of the screw can be avoided, the screw can be prevented from rupture, and meanwhile, micro friction is provided for the broken ends of a fractured bone so as to faster promote the formation of calluses, and thus, a faster and stable healing process is provided.

The invention relates to the field of prosthesis products, in particular to an ocular prosthesis base and a preparation method thereof, and an ocular prosthesis and a preparation method thereof. Ocular prosthesis implant matching loci, rectus suture loci and a porous space structure are arranged on the ocular prosthesis base. The ocular prosthesis base is high in matching degree with a healthy eye, high in comfort level, high in safety and slight in postoperative rejection, and can achieve the effects of promoting growth of cells and tissues, diminishing inflammation and promoting postoperative recovery; magnetic matching loci of the ocular prosthesis base and an ocular prosthesis implant are convenient for wearing and positioning the ocular prosthesis implant; and meanwhile, due to movement of the ocular prosthesis base, movement of the ocular prosthesis implant can be driven, and a super-simulation effect is achieved.

The electric vascular coagulator for treatment of varicosity of lower limbs includes elastic electrically coagulating guide wire, insulating canal holding the electrically coagulating guide wire, and opened electrically coagulating clack-spring head set in the end of the guide wire and capable of extending from and withdrawing into the end of the canal axially. It has simple structure and convenient operation, and by means of electrically burning inner membrane of blood vessel, may be reached the effects of making blood vessel deform, necrose and adhere similar to excision of the blood vessel. Compared with traditional operation, the present invention has the advantages of less cut and damage, less influence on leg appearance and fast post-operation restoring.

The invention relates to a fixing device for operation on the pedicle, and particularly relates to a pedicle screw. The pedicle screw comprises a screw body and a U-shaped screw base, wherein the upper end of the screw body is connected with the U-shaped screw base; the upper 1/3-1/2 part of the screw body is an unthreaded rod; the unthreaded rod is externally provided with a porous healing layer; and the lower part of the screw body is provided with threads. The pedicle screw provided by the invention has the advantages that the pedicle screw can be easily turned into the pedicle by consuming the least time and labor, causes little shearing action and damage on the pedicle, can be merged into the bone tightly without separation, can ensure that a patient recovers rapidly after operation, has a good treatment effect and is suitable for non-merged operation on the pedicle.

The invention provides a low-residue nutritional formula product and a preparation method and application thereof. The product does not contain dietary fibers and is applicable to patients who need toget intestinal tract cleaning preparation for performing intestinal tract inspection and intestinal tract operations. The product contains protein, carbohydrates, fat, minerals and vitamins, and theprotein selects pea protein with lower anti-nutritional factors. Compared with a conventional intestinal tract cleaning mode, the intestinal tracts treated by the product provided by the invention have high cleanliness, high detection rate of adenomas and polyp of the intestinal tracts, low gas production rate, good nutrient support and high patient suitability.

The invention relates to an automatic artery-vein name identifying method which is based on conditional random fields and used for a gastric-carcinoma endoscope operation real-time navigation system.The automatic artery-vein name identifying method includes the following steps that data is collected; pre-operation abdomen enhancement-stage thin-slice CT images are collected; a three-dimensional vein model is built; dendritic structures of the perigastric arteries and veins are extracted from the three-dimensional vein model, a probabilistic graphical model is built, CRF (conditional random fields), the recursive algorithm, posteriori estimation and other algorithms are adopted, and then automatic anatomy name identifying of the three-dimensional arteries and veins is achieved. Therefore,the efficiency of navigation is improved, the directions of the blood vessels are accurately guided, the success rate of operations is increased, and the application and popularization of laparoscopicgastric-carcinoma operations are facilitated.

The invention discloses a cutter for cardiac muscles in a cardiac chamber, and belongs to the technical field of minimally invasive cardiac operation instruments. The cutter for the cardiac muscles inthe cardiac chamber comprises an outer-layer protecting sleeve and an inner-layer knife barrel, wherein a cutting window is formed in a side wall of the upper portion of the outer-layer protecting sleeve; a downward hook is arranged at the upper edge of the cutting window; an axial chute is formed in a side wall of the outer-layer protecting sleeve; the inner-layer knife barrel is mounted in theouter-layer protecting sleeve; an annular blade with an upward cutting edge is arranged at the upper end of the inner-layer knife barrel; and a hollow operation handle is arranged on a side wall of the inner-layer knife barrel and extends out from the chute. Operation can be implemented without extracorporeal circulation, the operation time is shortened remarkably, traditional median sternal incision operation wound is relieved, and complications related to extracorporeal circulation are avoided. More importantly, a cutting range and a cutting effect can be monitored and evaluated in real timein the operation under the heart beating state, the operation effect is greatly improved, complications such as perforation of a ventricular septum and insufficient cutting range are avoided, and theoperation effect of the patients is improved remarkably.

The invention discloses a rehabilitation training pedaling device. The device comprises a fixing mechanism, a pedaling moving mechanism and a resistance adjusting mechanism. The pedaling device is characterized in that the fixing mechanism comprises at least a fixing plate, the pedaling moving mechanism comprises at least a pair of pedals and connecting members which are used for connecting the pedals to make each pair of the pedals perform reverse direction linear motion in which one pedal moves upwards and another pedal moves downwards, the connecting members are used for adjusting the motion resistance of the connecting members to further adjust the connection of the resistance adjusting mechanism of the motion resistance of each pair of the pedals, the resistance adjusting mechanism comprises at least a braking sheet and a resistance controlling device, the braking sheet is in contact with the connecting members, the resistance controlling device is connected with the braking sheet, and the connecting members and the resistance controlling device are fixed on the fixing plate. By means of the pedaling device, the problem of how to reduce the influence on wounds of a patient (such as the causing of wound pain, and wound dehiscence of a postoperative patient can be caused under a severe condition) when the postoperative patient performs lower limb exercising in the prior artis solved.

The invention discloses a medical implant for improving cell osteogenesis performance and a preparation method thereof. The polished and cleaned medical metal is subjected to laser processing so as toobtain a surface structure with super-hydrophilic performance, and a statin drug coating is prepared on the super-hydrophilic surface, so that the drug loading is more uniform and sufficient. The medical implant with the drug coating has the function of enhancing the osteogenesis performance of human cells, is beneficial to rapid and tight combination with human tissues after being implanted intoa human body, is beneficial to smooth implementation of a transplantation operation, and effectively avoids secondary injury caused by transplantation failure.

The invention provides a multi-tail-end single-hole minimally invasive surgery robot. The multi-tail-end single-hole minimally invasive surgery robot mainly comprises a main mechanical arm, an auxiliary mechanical arm, a pushing rod, a locking rod, a fixing block and a fastening device. During an operation, only one wound needs to be formed, different minimally invasive surgical instruments can beconveyed to the tail end of the main mechanical arm through the pushing rod and fixed, and then installation or conversion of different instruments can be achieved. When the surgical robot is used for carrying out minimally invasive surgeries, the effects of safety, accuracy, high efficiency and the like can be achieved, and the surgical robot has the advantages of less surgical wounds, less intraoperative bleeding amount, short hospitalization time, quicker postoperative recovery and the like.