234 results about "Operative wound" patented technology

The invention relates to a medical biological dressing, particularly to a medical biological scar-inhibiting rhytidectomy dressing and a preparation method thereof. The dressing is composed of modified chitosan, silicone, glycerol, camellia oil, olive oil, almond oil, an aloe extracting solution, active growth factors, hyaluronic acid and a ginger extracting solution. With adoption of the formula, skin regeneration organs are retained and activated furthest, and a good foundation is laid for wound repair. The formula is reasonable and scientific and has the efficacies of clearing away heat and toxic materials, removing slough and promoting growth of tissue regeneration, promoting blood circulation and removing blood stasis, and relieving swelling and pain on scars, has an impressive preliminary therapeutic effect on scars of skin epidermis bruise, trauma, traumatism, burning, scald, and post-operation wound, has the advantages of high efficacy, rapid pain relieving, low possibility of infection, simple preparation method, and good convenience in usage and popularization, and is used for burning, scald, trauma, bruise, traumatism, post-operation wound hemostasis, inflammation diminishing, pain relieving, wound infection prevention, scar inhibition, skin wrinkle and crack prevention, and wrinkle inhibition.

The invention discloses an aseptic electronic applicator for wound acesodyne, which comprises a body, a circuit control panel, a keyboard circuit, an indicator light, a display screen, a positive electrode and a negative electrode. The keyboard circuit, the display screen and the circuit control panel are arranged on the body; the circuit control panel comprises a controller, a current-voltage regulator circuit and a timing circuit; the controller is respectively connected with the keyboard circuit, the display screen, the current-voltage regulator circuit, the timing circuit and the indicator light; an output end of the current-voltage regulator circuit is connected with the positive electrode and the negative electrode which are connected with an application terminal; the application terminal is quadrate self-bonding non-woven fabrics; absorbent cottons are arranged at the middle part inside the non-woven fabrics; a self-bonding isolation omentum is adhered to the absorbent cottons;aquagels are arranged on two sides of the non-woven fabrics; and the positive electrode and the negative electrode are respectively stuck to the aquagels on the two sides. The aseptic electronic applicator has a simple structure and convenient use, forms an electric field on an operative wound surface, stimulates blood circulation, accelerates the rapid healing of the wound, reduces the formationof scar tissues, and prevents intestinal adhesion.

The invention discloses an anterior spinal and cervical 3D print type artificial bone trabecula structure cervical fusion device. The device is characterized by comprising an entity support, the entity support comprises a horizontal plane entity support body (1) and an axial position entity support body (3), and a porous structure (2) is arranged in the middle of the entity support. The porous structure simulating the cancellous bone of the human body is manufactured in the 3D mode, a bone ingrowth support is provided, and the osteogenesis process is promoted; support pillars are additionally arranged on the periphery and on the sides to improve mechanical property, the elasticity modulus of the entity support is made to be close to that of a contact surface, and then shielding is avoided. Implantation of human bone is not needed, bone taking amount in surgery can be further reduced, the number of operative wounds is reduced, and surgery can be finished in a minimally invasive mode.

The invention relates to the technical field of medical appliances, in particular to a support type artificial venous blood vessel with valve for treating venous reflux diseases and venous return obstruction diseases. The artificial venous blood vessel comprises artificial valve (1) inside the artificial blood vessel, a metal support (2) attached to the outer wall of the artificial blood vessel to support the artificial blood vessel, a metal ring (3) attached to the metal support to support the valve and an artificial blood vessel (4) beyond the range of the support. The artificial venous blood vessel is produced according to the normal vessel valve structure of the human body, the vessel valve can be opened and closed freely, the supporting strength of the support is proper, and the supporting metal ring can maintain the normal state of the vessel valve. The artificial venous blood vessel has the advantages of reasonable structure, low fabrication cost and good histocompatibility, and can be used for valve repair operation for lower limb deep vein, valve repair operation for upper limb deep vein and main vein return obstruction disease of four limbs (especially occlusive diseases) After the vein of the pathologic section is resected, the support type artificial venous blood vessel with the valve is stitched on the normal vein, the operation is simple, and the operative wound is small.

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.

Provided is a manufacturing method of a liver depression type gastric ulcer disease combined animal model. A gastric ulcer model is manufactured through an acidified ethanol solution belly-pouring method on the basis of manufacturing a liver depression model in traditional Chinese medicine syndrome differentiation through P.Willner traditional chronic unpredictability stimuli according to a Chinese medicine basic theory, comparison is conducted through an established animal macroscopic physical sign collection and evaluation table, and the animal model manufactured through the method conforms to clinical human disease attributes; the important attribute, namely, the lack of pleasant sensation, of human depression can be copied to an animal through the chronic unpredictability stimuli, and ulcer symptoms are accordingly exacerbated. In addition, the manufactured animal model better embodies the ordinary state of the gastric ulcer disease progress, clinical similarity is considered during model manufacturing, mechanisms of appearance, histomorphology, relapse and union of gastric ulcer are closest to those of a human body, it is avoided that whether it is pains and sag of operative wound type modeling or after-depression sag can not be distinguished, and convenience is provided for subsequent development.

The invention relates to indigitation resetting equipment capable of treating child indigitation and avoiding operative wounds and pains, and an application method thereof. The indigitation resetting equipment comprises a normal saline bag, a catheter and an anus tube, and further comprises an operation platform, a clysis pressure adjusting device and a controller, wherein the clysis pressure adjusting device comprises a hoisting bracket, a hoisting driving mechanism and a pressure sensor; the controller is in data connection with the bracket hoisting driving mechanism and the pressure sensor; and the controller drives the hoisting driving mechanism to move so as to drive the bracket to hoist. Furthermore, the invention discloses an application method of the indigitation resetting equipment; the indigitation resetting equipment utilizes normal saline to carry out clysis, and pressure generated by a normal saline water column in the catheter is used for adjusting the relative height difference through a height adjusting device; clysis pressure with a reasonable magnitude is applied to reset indigitation, and the pressure of injecting the normal saline is adjusted through the controller at any time in a clysis process, so that the suitable and safe clysis pressure is guaranteed.

The invention relates to the field of disinfection products, and particularly discloses preparation and application of disinfection spray with 14 antimicrobial peptides Cbf-14 of amino acid. The disinfection spray which is a disinfectant comprises the antimicrobial peptides Cbf-14, polypeptide protective agents, skin moistening agents and zwitterionic surfactants. The preparation and the application have the advantages that the disinfectant is mainly in a spray dosage form and can be used for disinfection treatment on postoperative wound surfaces, nursing on operative wound, disinfection treatment on skins of traumatic wound surfaces, disinfection nursing on skins injured due to burning, scalding, scorching and bruising, disinfection treatment on operation instruments and general disinfection nursing on skins and mucosae; the disinfection spray is excellent in bactericidal activity for gram positive bacteria, gram negative bacteria and fungi, is nontoxic, is free of irritation and is a skin and mucosa disinfection product.

The invention discloses a drug-loaded hydrogel with enzyme and temperature dual responsibility and a preparation method and application of the drug-loaded hydrogel. The drug-loaded hydrogel comprises the following raw materials: 0.01-1% of a nano-crystallized drug, 0.5-25% of gelatin, 10-30% of poloxamer F127, 2-15% of poloxamer F68 and the balance of solvent. The drug-loaded hydrogel can be gathered on the periphery of a focus; and the nano-crystallized drug is gradually released hierarchically and gathered on a target site under the action of a focus characteristic molecule MMP9, plays a pharmacologic effect and can be used for treatment of diseases such as a burn, a war injury, an operative wound, a cold injury, skin-related tumors, a skin infection disease, a sexually transmitted disease, an oral disease, baldness and panneuritis epidemica, and the action time can be prolonged. The drug-loaded hydrogel is convenient to use and simple in operation, frequent dressing change is not needed and the pain of a patient is reduced.

A use of a hypertonic solution composition in manufacturing medicaments used during the perioperative period for promoting wound healing, said composition consists of 1.5%-6.9% (w/v) of one or more substances selected from sodium chloride, sodium bicarbonate, potassium chloride, magnesium sulfate, calcium chloride and calcium gluconate, 3%-18% (w/v) of one or more of the substances selected from hydroxyethyl starch, dextran, carboxymethyl starch, polyvinyl pyrrolidone and gelatin derivatives, and the remainder of conventional injection, provided that the amount of sodium chloride in the composition is not less than 1.5% (w/v), and the concentration of sodium ion is not more than the one equivalent to the concentration of sodium ion in 6.9% (w/v) sodium chloride solution. The hypertonic solution composition can be administered as transfusion before operation, during operation, after operation with the dose of 100-1500 ml/person/day, which can promoter wound healing. The hypertonic solution composition is advantageous in terms of the safety and convenience of application. Said composition can applied to various operative wounds or trauma wound (surface) as well as anastomotic stoma.

The invention discloses a medicine composition for promoting wound healing after operation and a preparation method thereof. The medicine composition is prepared from the following raw materials in parts by weight: 22-28 parts of natural indigo, 12-21 parts of radix notoginseng, 10-14 parts of Mongolian dandelion herb, 5-7 parts of Grosvenor momordica, 3-5 parts of liquorice root, 0.00005 part of recombinant human epidermal growth factor, 0.001 part of mannitol and 0.0005 part of human albumin. The medicine composition has obvious effects when being used clinically.

The invention relates to a tooth-extracting instrument, and in particular relates to a high-frequency low-amplitude vibration tooth-extracting instrument. The high-frequency low-amplitude vibration tooth-extracting instrument comprises a high-frequency low-amplitude vibration generator, a transmission rod and a tooth fixing device, wherein the output end of the high-frequency low-amplitude vibration generator is connected to one end of the transmission rod; the tooth fixing device is arranged at the other end of the transmission rod; the tooth fixing device comprises a clamping ring, a beak matched with a tooth and a knurled nut; the basal part of the beak is sleeved on the transmission rod; the clamping ring is arranged outside the beak and clamped on a clamping groove of the transmission rod; and the knurled nut is arranged inside the beak and spirally connected with the transmission rod. The invention aims to design the high-frequency low-amplitude vibration tooth-extracting instrument, which has the advantages of being controllable in acting force, adjustable, strong in operability and predictable in tooth-extracting effect. Compared with the prior art, the high-frequency low-amplitude vibration tooth-extracting instrument disclosed by the invention has the advantages of being easy to operate, convenient for teaching and small in operative wound and is capable of relieving dread feeling of dental patients and the like.

The invention discloses a combination-type intra-operative on-demand blocking branched stent-type blood vessel. The stent-type blood vessel is used in open-type operations of replacing aorta arches and branch blood vessels thereof during the aortic dissection treatment. The combination-type intra-operative on-demand blocking branched stent-type blood vessel comprises two or three stent-type blood vessel bodies from the distal end of the aorta arch to the proximal end of the aorta arch, can be suitable for individual structures of three branch blood vessels of the aorta arch of a patient, and improves the matching degrees between the stent-type blood vessel and the three branch blood vessels of the human-body aorta arch. When the stent-type blood vessel is used, dissociative brachiocephalic blood vessels can be avoided or reduced, it is unnecessary to replace the aorta arch and branch blood vessels, anastomotic stomas are reduced, and the extracorporeal circulation time and the unilateral cerebral perfusion time are shortened, so that operative manipulation difficulties and operative wounds are reduced, the operation time is shortened, postoperative complications are reduced, and the mortality rate is reduced.

The invention provides an inner fixing system for a femoral trochanter nail plate. The inner fixing system is a novel inner fixing apparatus and is formed by a femoral interlocking nail engaged with a femoral trochanter steel plate, wherein the femoral trochanter steel plate is an anatomical steel plate which meets the anatomic form of greater femoral trochanter by the crown-shaped surface and the cross section; a chute in the inner side of a pressurizing screw channel on the top end of the femoral trochanter steel plate is higher than a chute in the outer side; a closed screw of the femoral interlocking nail can be screwed to enable the femoral trochanter steel plate to be engaged with the tail of the femoral interlocking nail, and meanwhile, the femoral trochanter steel plate can be horizontally close to the femoral interlocking nail, and therefore, the femoral trochanter steel plate can be in tight contact with greater femoral trochanter. With the adoption of the system, the advantage of outstanding biomechanical stability in fixing of the femoral interlocking nail can be remained, the disadvantage that the greater femoral trochanter suffering from fracture is uneasily fixed and rebuilt can be decreased; a good internal fixing apparatus is provided for treating the fracture in the femoral trochanter area, the operative wound can be reduced, and the surgical treatment effect is improved.

The invention discloses an artificial hip joint replacing device. According to the technical scheme, an artificial hip joint prosthesis which is adjusted flexibly, and can meet movement requirements of all directions, and has high wear resistance of related contact surfaces needs to be provided, an implanting tool needs to be improved, and operative wounds need to be reduced. The artificial hip joint prosthesis comprises a femoral stem, a femoral ball head and an elastic connection part, the far end of the femoral stem can be inserted into a femoral intramedullary cavity, and the near end of the femoral stem extends upward slantly; under a natural state, the included angle between the axis of an extending end and the axis of the femoral stem is 110-140 degrees, the end of the extending end suddenly slims into a step shape, the thin segment extends upward slantly for 6-10 mm and is used for fixing the elastic connection part, and the femoral ball head is connected with the other end of the elastic connection part; a column-shaped protrusion with the length of 6-10 mm is arranged on the connection portion between the femoral ball head and the elastic connection part, and the elastic connection part is fixedly connected with the femoral ball head through the column-shaped protrusion. Therefore, random adjustment of the artificial hip joint prosthesis in each angle is achieved, in particular to the adjustments of the front rake and the collodiaphysial angle on the sagittal view and the coronal view respectively.

The invention provides alginate fiber postoperative rehabilitation underpants and a production process thereof. The production process comprises the steps of blending, weaving, dyeing, shaping and sewing. A special mixing ratio is adopted to obtained blended yarn of alginate fibers and long filament cotton yarn; after the blended yarn and chinlon-spandex core covering yarn are woven together, an underpants rough body is obtained; a 'cotton/chinlon one bath dye' one-step method is further adopted for dyeing cotton and chinlon; and thus, the dyeing time is shortened, adverse effects of high-temperature boiling dyeing are reduced, damage of the alginate fibers is avoided, and the sterilization effect of a finished product is guaranteed to the greatest extent. The postoperative rehabilitationunderpants produced through the process are proper in elasticity and good in sterilization effect; and a postoperative wound can heal conveniently.

The invention relates to a natural antibacterial medicine drawsheet for operative wounds. The natural antibacterial medicine drawsheet comprises an antibacterial layer, a waterproof layer and a medicine contacting layer. The antibacterial layer is provided with at least one natural antibacterial material. The waterproof layer is arranged on the lower surface of the drawsheet. The medicine contacting layer is arranged on the upper surface of the drawsheet. The natural antibacterial materials existing widely in the nature are low in cost, wide in selection range and good in antibacterial effect, and most importantly, have almost no toxic and side effect; the antibacterial materials are added to or integrated with the surface or the interior of a material layer in a coating, embedding or other mode, so that bacteria resistance and bacteriostasis are realized when the drawsheet is laid. The antibacterial materials without the side effects and low in cost are adopted, so that the defect that toxic and side effects of existing antibacterial products cannot be avoided is overcome to the greatest extent; the drawsheet has ultrahigh adsorption ability and is applicable to patients who have wounds caused by various reasons and need to have long-time bed rest.

The invention relates to an operative wound nursing instrument of a general surgery department, and belongs to the technical field of medical equipment. The operative wound nursing instrument of a general surgery department comprises a device support column. The instrument is characterized in that the lower side of the device support column is provided with a device support base, the lower side of the device support base is provided with supporting legs, the lower sides of the supporting legs are provided with moving pulleys, the right side of the moving pulley is provided with a brake bar, the lower side of the brake bar is provided with a brake pad, the left side of the device support column is provided with a power line output port, the left side of the power line output port is provided with a power wire, the power wire is provided with a power plug, the device support column is provided with an elevating rail, the elevating rail is provided with a device lifter, and the front side of the device lifter is provided with a control panel. The nursing instrument is simple in structure and simple in operation. The nursing instrument can help operative wounds of patients rapidly recovery, and the nursing instrument is safe and efficient, reduces pain of patients, improves rehabilitation effect, and reduces workload of medical workers.

The invention provides a transthoracic minimally invasive balloon mitral valvuloplasty catheter. The transthoracic minimally invasive balloon mitral valvuloplasty catheter comprises a balloon (2), an inner catheter (3), an outer catheter (5), a four-way seat (7), an air exhaust connection pipe (9), an inner catheter connector (10) and a sealing body, and the four-way seat (7) is provided with an air exhaust port (8), a sealing port and a filling port (12). The transthoracic minimally invasive balloon mitral valvuloplasty catheter is smaller in size, wider in adaptive surface, smaller in operative wound, and easier and more accurate to operate.

The invention discloses an anti-bacterial operation suture line and a method for preparing the same. The anti-bacterial operation suture line is mainly prepared from, by mass parts, 25-45 parts of polypropylene resin, 2-14 parts of polyglycolide, 6-20 parts of polylactide, 4-16 parts of poly glycolide-co-lactide, 8-20 parts of triclosan and 35-55 parts of double distilled water. Compared with the prior art, the anti-bacterial operation suture line has the advantages that the anti-bacterial operation suture line is good in anti-bacterial effect and can effectively prevent operative wound infection; and the tension maintenance time of the anti-bacterial operation suture line is long, and complete healing of operation wounds can be guaranteed.

The invention belongs to the technical field of medical instruments and particularly relates to an intelligent digital spinal operation device. The intelligent digital spinal operation device comprises a preoperative application system, a physical processing system and an intraoperative application system, wherein the preoperative application system comprises a spinal operation simulation system, the intraoperative application system comprises a spinal operation navigation system, a spinal operation monitoring system and a spinal operation robot system, and the spinal operation monitoring system comprises a neurophysiological monitoring system and an ultrasonic monitoring system. The intelligent digital spinal operation device has the advantages that the problems of large operative wound surfaces, proneness to causing nerve damage and slowness in body function recovery are solved; the intelligent digital spinal operation device is capable of improving operative safety and precision and safety and accuracy of orthopedic operations, saving intraoperative time, reducing operative wounds, achieving operative minimal invasiveness and precision and avoiding large radiation injuries of intraoperative image navigation to patients and operators, and is simple and convenient to operate without extensive training.

The invention belongs to the field of medical dressings, and particularly relates to a long-effective bacteriostatic gel dressing used for operative wounds and a production method thereof. The gel dressing comprises raw material components of bacterial cellulose, alginate, a phenytoin medicine, nano-silver particles, polyvinyl alcohol, hydroxypropyl cellulose, glycerin, sorbitol, deionized water and the like. By using the antibacterial active components of the phenytoin medicine, the nano-silver particles and the like in combination with the active components, for promoting wound healing, of the bacterial cellulose, the alginate and the like, the long-effective bacteriostatic gel dressing used for the operative wounds has a synergistic effect in the aspects of antisepsis, anti-inflammation, promotion of healing of the operative wounds and the like, and has the characters of being good in air permeability, high in water-retention rate, high in tenacity and the like, and through high energy ray irradiation sterilization, a gel product is clean and safe, and does not cause wound infection.