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30results about How to "Avoid postoperative complications" patented technology

Interverterbral fusion implement

The interverterbral fusion implement for cervical vertebra anterior operation is one hollow column with polygonal or circular cross section, holes on side wall and sharp teeth on the upper and the lower surfaces. It is made of polymer material capable of being absorbed by human body, poly(DL-lactic acid), poly(L-lactic acid), polyglycolic acid or their copolymer. It has determined early-stage locking effect, late-stage bone fusion effect, good biocompatibility and proper mechanical structure, and may be self-degraded after being fused with vertebra. It results in no rejection and may be also used in thoracic vertebra and lumbar vertebra operation.
Owner:成都迪康中科生物医学材料有限公司

Artificial aneurysm neck and production method thereof

The invention discloses an artificial aneurysm neck and a production method thereof. The artificial aneurysm neck comprises a tubular outer wall and a tubular inner passage arranged in the outer wall, the inner passage is of a hollow structure, and two ends of the inner passage are hermetically connected with the outer wall. The outer wall or / and the inner passage is composed of a tubular tectorial membrane and a metal support arranged on the surface of the tubular tectorial membrane. The artificial aneurysm neck is guided to a normal aorta at the near end of a lesion position and then released during operation, the metal support supports the tectorial membrane on the wall of a normal blood vessel, and fitting between the artificial aneurysm and the normal blood vessel is guaranteed; a tectorial membrane support is enabled to isolate aneurysm from blood flow in a blood vessel cavity, and a blood flow passage of the aorta and branched blood vessels is built; due to using of the artificial aneurysm neck, requirements on structure of the tectorial membrane support are lowered, the artificial aneurysm neck can be realized through a straight-tube tectorial membrane support, requirements on length of the aneurysm neck are low, the artificial aneurysm neck is suitable for cases with extremely short aneurysm necks, production process is simplified obviously, processing cost can be lowered, and production efficiency can be improved.
Owner:SHANGHAI MICROPORT ENDOVASCULAR MEDTECH (GRP) CO LTD

Myocardial patch with negative poisson ratio structure in conductive stability and preparation method thereof

ActiveCN111529758AAvoid problems such as changes in contraction frequencyImprove conductivityStentsWeft knittingYarnConductive coating
The invention relates to a myocardial patch with a negative poisson ratio structure in conductive stability and a preparation method thereof. The method comprises the following steps of weaving or knitting a myocardial patch base material with an inner concave polygon as a minimum structural unit, and coating the surface of the base material with a conductive coating to prepare the myocardial patch with the negative poisson ratio structure in conductive stability; or treating the yarns to prepare conductive coating yarns, and weaving or knitting the myocardial patch with the negative poisson'sratio structure, which takes the conductive coating yarns as a raw material and takes the concave polygon as the minimum structural unit, by adopting a weaving or knitting manner, so as to obtain themyocardial patch. The resistance change rate of the prepared myocardial patch is lower than 5% under 50% tensile deformation, the tensile rate of the minimum structural unit is within 50%, the fabricis of a negative poisson's ratio structure and expands in the vertical direction of a tensile load, and the fabric shows the anisotropy of the negative poisson's ratio effect and the Young modulus; and the myocardial patch is matched with normal myocardial tissue mechanical behaviors.
Owner:DONGHUA UNIV

Injectable temperature-sensitive hydrogel artificial lens material having cell membrane biomimetic property and preparation method thereof

The invention discloses an injectable temperature-sensitive hydrogel artificial lens material having a cell membrane biomimetic property and a preparation method thereof, and belongs to the field of biomedical materials. The material is prepared through free radical polymerization of polymerizable monomers and an initiator, wherein the polymerizable monomers are divided into three classes; the first class comprises N-isopropylacrylamide, vinyl pyrrolidone, 2-(Dimethylamino)ethyl methacrylate or other temperature-sensitive functional monomers; the second class comprises 2-phenoxyethyl methacrylate or 2-phenoxyethyl acrylate; the third class comprises 2-methylacryloyloxyethyl phosphorylcholine; and the initiator is azodiisobutyronitrile. The material is temperature-sensitive and has favorable water solubility and flowability at low temperature, thereby being beneficial to injection operation; the material can be gelated within the temperature range of a human body, and has favorable mechanical and optical properties; and the artificial lens has the characteristic of cell membrane biomimetic property, has favorable biocompatibility and can reduce the proliferation of human epithelial cells on the surface of the artificial lens, so that surgical incisions are effectively decreased through an injection means.
Owner:SICHUAN UNIV

Chinese medicinal composition for promoting mature of internal arteriovenous fistula and reducing complications, application and using method thereof

The invention provides a Chinese medicinal composition for promoting mature of internal arteriovenous fistula and reducing complications, an application and a using method thereof. The Chinese medicinal composition comprises a component A and a component B, wherein the component A is composed of rheum officinale, mirabilite, borneol and paris polyphylla, and the component B is composed of ligusticum wallichii, Chinese angelica, borneol and leech. The Chinese medicinal composition is prepared by adopting the following steps: baking and crushing the component A, and screening through a 100-mesh screen; gradually adding water, and stirring to obtain a paste medicament; immersing the component B with water, decocting for three times, and filtering the filtrates of three times and concentrating to obtain an ointment medicament, wherein an interval is not needed in each time of decoction. The paste medicament is applied to the hand back each time before sleep, and is washed after wakeup in the morning three days before an operation; 2ml of the ointment medicament is applied to the affected part one time a day after suture is taken out after 7-10 days of the operation; 14 days is taken as a course of treatment, and 1-2 courses are used. The Chinese medicinal composition is convenient to obtain materials and easy to manufacture, is convenient to use, economical and practical, has the advantages of low cost, no toxicity or hazard, remarkable use effect and the like, and is mainly used for a patient who is subjected to uremia arteriovenous fistula plasty. The Chinese medicinal composition avoids the adverse response caused by internal administration, and plays an active and effective effect in the process of treating chronic renal failure.
Owner:QINGDAO MUNICIPAL HOSPITAL

Traditional Chinese medicine for haemorrhoids and preparation method thereof

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to a traditional Chinese medicine for haemorrhoids and a preparation method thereof. The traditional Chinese medicine for haemorrhoids is prepared from the following medicinal raw materials in parts by weight: 24-36 parts of fortune paulownia flower, 3-9 parts of garden burnet, 8-16 parts of dicliptera chinensis, 8-16 parts of herba violae, 8-16 parts of dandelion, 8-16 parts of Chinese angelica, 3-9 parts of mirabilite, 3-9 parts of alumen, 8-16 parts of Chinese knotweed herb, 8-16 parts of sophora flower, 8-16 parts of honeysuckle, 8-16 parts of pepper, 8-16 parts of oriental wormwood and 8-16 parts of folium artemisiae argyi. The traditional Chinese medicine for haemorrhoids has the effects of clearing away heat, drying dampness, removing toxicity for detumescence, promoting blood circulation to arrest pain and cooling blood for hemostasis. Clinical test results prove that the total effective rate of the traditional Chinese medicine reaches 96.49%.
Owner:王小欧

Post operation head maxilla part elastic sleeve for maxillofacial part

The invention discloses a post operation head maxilla part elastic sleeve for a maxillofacial part. The post operation head maxilla part elastic sleeve is characterized by comprising a head cover which is made of elastic cloth, the lower end of the head cover can directly reach the neck of a human body, the part, corresponding to the face of the human body, of the front face of the head cover is provided with a front opening, the parts, corresponding to the ears of the human body, of the two sides of the head cover are provided with side openings, the parts, corresponding to the two sides of the lower mandible of the human body, of the outer side of the head cover are each connected with a pair of elastic belts, nylon hasps are arranged on the faces of the free ends of the elastic bands, and the parts, on the two sides of the side openings, of the head cover are provided with nylon hasps. Compared with the prior art, the post operation head maxilla part elastic sleeve has the advantages that post operation appropriate pressurizing binding on maxillofacial fractures and parotid glands can achieved for preventing post operation complications, meanwhile, the living quality of a patient is not influenced obviously, and the phenomena of local lymphatic return obstruction, hematoma, hydrops and even allergies, blistering and the like are avoided.
Owner:谭玉莲 +2

Internal drainage expanding device for viscoelastic tubule

The invention discloses an internal drainage expanding device fro a viscoelastic tubule. The internal drainage expanding device comprises an aqueous fluid internal drainage tube and a viscoelastic tubule expanding tube; the outer wall of the viscoelastic tubule is wrapped by a thin film layer, the section of the viscoelastic tubule is in an open circular ring shape, the thin film layer is made from biodegradable materials, the viscoelastic tubule expanding tube has tension ans can be expanded to keep the section in a C type after the thin film layer is degraded, and fluid permeation holes areformed in the tube wall of the viscoelastic tubule expanding tube; one end of the aqueous fluid internal drainage tube can be arranged in the viscoelastic tubule expanding tube. By the adoption of internal drainage, the internal drainage expanding device avoids postoperative complications, filtering bleb scarring and other problems caused by an external drainage operation; the internal drainage mode has small injury to the normal physiological structure of eyeballs, can keep stable during eyeball tension fluctuations after an operation, and reserves the maximum space for other operations for patients in the future.
Owner:陈慧慧

Cardiac hemostatic rescue device

The invention discloses a cardiac hemostatic rescue device in the field of medical instruments, comprises a liquid nitrogen device and a regulating device, a liquid nitrogen device comprise a liquid nitrogen tank, a liquid nitrogen outlet pipe is fixedly arrange on the outer wall of the liquid nitrogen tank, a switch valve is arranged on the out wall of the liquid nitrogen outlet pipe, a switch valve outer wall is rotate with a valve control rod, a cross recess is fixedly arranged on the outer wall of the valve control rod, a cross rotating lever is arranged in the cross groove, a liquid nitrogen outlet pipe wall is fixedly provide with threads, and the regulate device comprises a hemostatic gun main body, a first spring is fixedly provided on the inn wall of the hemostatic gun main body,a first shaft plate is fixedly provided on the other end of the first spring, a trigger is fixedly provided on the outer wall of the first shaft plate, a second shaft plate is rotatably connected on the rod end of the first shaft plate, and a shaft rod is provided on the outer wall of the second shaft plate. The invention has simple structure, convenient operation, exquisite and small size, convenient carrying, convenient installation and disassembly of the liquid nitrogen tank, wide practicability, reduces the working difficulty of the medical personnel, and improves the hemostatic effect.
Owner:张少君

Biological polysaccharide bleeding stopping solution and preparation method thereof

PendingCN108379649AReduce intraoperative bleedingMaintain intraoperative field of viewSurgical adhesivesPharmaceutical delivery mechanismFungicideChemistry
The invention provides a biological polysaccharide bleeding stopping solution. The biological polysaccharide bleeding stopping solution is prepared from the following components: at least one of a biological polysaccharide derivative, folium callicarpae pedunculalae polysaccharide and sodium alginate, and sodium chloride. Compared with the prior art, the biological polysaccharide bleeding stoppingsolution has the advantages that 1) a product prepared by the invention is a transparent or semi-transparent viscous solution and is conveniently sprayed to wounds or ulcers; 2) intraoperative bleeding can be effectively reduced and an intraoperative view field is kept; 3) the product has a very good stopping effect on postoperative tissue adhesion; 4) the biological polysaccharide derivative, the folium callicarpae pedunculalae polysaccharide and the sodium alginate can be combined to use and have a cooperative effect; the product is used for carrying out body surface and intraoperative bleeding and also can be used for effectively preventing bleeding of gastrointestinal tracts; 5) the product can be degraded and absorbed by organisms and has good biocompatibility, and dangerous factorsin the operation are reduced; 6) when the product contains fungicide and can be used for effectively preventing intraoperative and postoperative bacterium and virus infection. The product prepared bythe invention can be used for cleaning exudation and oozing blood, clearing the operation view field, improving the operation quality and reducing postoperative complications.
Owner:张博

Disposable monopole probe

The invention discloses a disposable monopole probe and belongs to the field of medical instruments. The disposable monopole probe comprises a handle and a probe body. A probe head of the probe body is of a circular annular shape. When the disposable monopole probe is used in cooperation with a nerve monitor in a craniocerebral operation and a spinal cord operation, the circular annular monopole probe enables a tumor to be stripped out of the basis cranii nerve, and the nerves in the different incision tissues are accurately located through continuous current stimulation. Currents are adjustable in different operation stages. Through analysis of a waveform of the currents, a surgeon can be warned of the general position of the target nerve, and the operation effect is effectively improved.
Owner:SHANDONG WEIGAO GROUP MEDICAL POLYMER

A universal heart valve interventional angioplasty system

The invention discloses a general heart valve interventional shaping system, which comprises a clip, a delivery catheter system, a deflection system, an opening and closing system, a locking system, a releasing system and a secondary clamping system. The present invention can be applied to various valvular regurgitation diseases in the heart, and has various surgical approaches, effectively solving the problem of valvular regurgitation of the heart; compared with traditional surgery, the advantages of minimally invasive surgery are obvious, no skin incision is required, and no scars are left. There is no need for cardiac arrest, extracorporeal circulation, or blood transfusion. Under the guidance of imaging equipment such as echocardiography and X-rays, valvuloplasty can be performed and its effect evaluated in a completely physiological state, which is convenient for the operator to treat reflux accurately and quickly. The valve can be treated while avoiding postoperative complications caused by traditional surgery for elderly and high-risk patients; complexity and reduce the cost of interventional devices.
Owner:SHANGHAI HANYU MEDICAL TECH CO LTD

A high-strength injectable intraocular lens material and its preparation method and application

The invention discloses a high-strength injectable intraocular lens material and a preparing method and application thereof. The problems that in the prior art, an injectable intraocular lens is poorin physical mechanical strength, and potential complications appearing after a cataract surgery cannot be avoided are solved. The high-strength injectable intraocular lens material is formed by polymerization of four monomers, and the four monomers comprise the thermosensitive functional monomer, the acrylate monomer, the prodrug monomer and a cross-linking agent. The preparing method of the high-strength injectable intraocular lens material comprises the steps that the thermosensitive functional monomer, the acrylate monomer, the prodrug monomer and the cross-linking agent are mixed with an initiator, then reacting is conducted for 0.5-24 hours at the temperature of 50-100 DEG C, products are separated to remove unreacted micromolecule monomers, and thus the high-strength injectable intraocular lens material is obtained. The high-strength injectable intraocular lens material is scientific in composition and reasonable in proportion, and all the compositions play a role jointly, so that the prepared intraocular lens material has the good mechanical strength and optical properties and can effectively reduce complications of ophthalmic surgery.
Owner:SICHUAN UNIV

Method for treating spastic cerebral palsy in bilateral extremities

InactiveCN101953697AImprove stabilityImprove independent living skillsDiagnosticsSurgeryAnterior branch of obturator nerveMedical treatment
The invention belongs to the technical field of medication, and relates to a method for treating spastic cerebral palsy in bilateral extremities. The method comprises the following steps: (1) implementing anesthesia; (2) regarding composite abnormality, selecting a skin cut with length of between 3 and 4cm of the inner thigh from the outer margin of pubic symphysis along the inner margin of pectineus, debonding adductor, and cutting anterior branch of obturator nerve, cutting the adductor longus and tendon starting point of gracilis in a 'Z' shape, determining the proportion of debonding the adductor magnus, pectineus and adductor brevis according to the hip abducence, cutting 1 to 2cm of the anterior branch of the obturator nerve; (3) regarding genuflex deformity, prolonging hamstring, prolonging semitendinosus, semimembranosus and gracilis in a 'Z' shape, and performing 'Z' shaped prolonging on biceps femoris if the genuflex deformity is serious, and determining the proportion of hamstring prolonging according to the genuflex degree; (4) regarding equinus deformity, prolonging the triceps surae muscle, and prolonging the tibialis posterior in the cut in the 'Z' shape; and (5) regarding severe oseous deformity: performing triple arthrodesis. The method can improve the walking capability of extremities, and creates the independent living skill and qualified living quality for a patient.
Owner:石家庄市第八医院

An injectable temperature-sensitive hydrogel intraocular lens material with cell membrane bionics and its preparation method

The invention discloses an injectable temperature-sensitive hydrogel artificial lens material having a cell membrane biomimetic property and a preparation method thereof, and belongs to the field of biomedical materials. The material is prepared through free radical polymerization of polymerizable monomers and an initiator, wherein the polymerizable monomers are divided into three classes; the first class comprises N-isopropylacrylamide, vinyl pyrrolidone, 2-(Dimethylamino)ethyl methacrylate or other temperature-sensitive functional monomers; the second class comprises 2-phenoxyethyl methacrylate or 2-phenoxyethyl acrylate; the third class comprises 2-methylacryloyloxyethyl phosphorylcholine; and the initiator is azodiisobutyronitrile. The material is temperature-sensitive and has favorable water solubility and flowability at low temperature, thereby being beneficial to injection operation; the material can be gelated within the temperature range of a human body, and has favorable mechanical and optical properties; and the artificial lens has the characteristic of cell membrane biomimetic property, has favorable biocompatibility and can reduce the proliferation of human epithelial cells on the surface of the artificial lens, so that surgical incisions are effectively decreased through an injection means.
Owner:SICHUAN UNIV

Tubal pregnancy diagnosis and treatment software system based on tubal pregnancy differential diagnosis equation

The invention discloses a tubal pregnancy diagnosis and treatment software system based on a tubal pregnancy differential diagnosis equation, which belongs to the technical field of tubal pregnancy diagnosis and treatment, and includes a tubal pregnancy differential diagnosis equation application software module, a tubal pregnancy condition influencing factor scoring module, and a tubal pregnancy diagnosis and treatment module; Pregnancy differential diagnosis equation application software module automatically distinguishes and diagnoses the patient's condition as early threatened abortion or early tubal pregnancy; tubal pregnancy condition impact factor scoring module is used to score according to the impact factors affecting tubal pregnancy condition; tubal pregnancy diagnosis and treatment module includes medical record view sub module, patient information adding sub-module, pregnancy discrimination sub-module, diagnosis and treatment plan sub-module and information storage sub-module, provide treatment plan for the patient's condition. The invention is convenient to use, can quickly and effectively distinguish ectopic pregnancy and provide a reasonable treatment plan, and makes the diagnosis and treatment of tubal pregnancy electronic, systematized and standardized.
Owner:邓高丕 +1

Traditional Chinese Medicine Prescription, Application and Use Method for Promoting Arteriovenous Fistula Maturity and Reducing Complications

The invention provides a Chinese medicinal composition for promoting mature of internal arteriovenous fistula and reducing complications, an application and a using method thereof. The Chinese medicinal composition comprises a component A and a component B, wherein the component A is composed of rheum officinale, mirabilite, borneol and paris polyphylla, and the component B is composed of ligusticum wallichii, Chinese angelica, borneol and leech. The Chinese medicinal composition is prepared by adopting the following steps: baking and crushing the component A, and screening through a 100-mesh screen; gradually adding water, and stirring to obtain a paste medicament; immersing the component B with water, decocting for three times, and filtering the filtrates of three times and concentrating to obtain an ointment medicament, wherein an interval is not needed in each time of decoction. The paste medicament is applied to the hand back each time before sleep, and is washed after wakeup in the morning three days before an operation; 2ml of the ointment medicament is applied to the affected part one time a day after suture is taken out after 7-10 days of the operation; 14 days is taken as a course of treatment, and 1-2 courses are used. The Chinese medicinal composition is convenient to obtain materials and easy to manufacture, is convenient to use, economical and practical, has the advantages of low cost, no toxicity or hazard, remarkable use effect and the like, and is mainly used for a patient who is subjected to uremia arteriovenous fistula plasty. The Chinese medicinal composition avoids the adverse response caused by internal administration, and plays an active and effective effect in the process of treating chronic renal failure.
Owner:QINGDAO MUNICIPAL HOSPITAL

Surgical nursing auxiliary device and using method

The invention discloses a surgical nursing auxiliary device and a using method, the surgical nursing auxiliary device comprises a base, a rack, a footstand, an inner ring, a roller, a first rod, a second rod, a cross shaft, a motor base, a motor, a first gear, a second gear, a spring, a hand wheel, a lead screw, a third gear, a fourth gear and a mandrel, the four corners of the base are each provided with a guide rod, the rear portion of the base is provided with a lead screw hole, and the four corners of the rack are each provided with a guide rod hole; and a penetrating hole is formed in the rear portion of the rack, the left side and the right side of the rack are each provided with an outer ring, four outer ring spring holes are evenly distributed in each outer ring, the outer ring spring holes are evenly distributed in the outer rings, the outer ring spring holes are distributed in the outer rings in a cross shape, four positioning columns are evenly distributed on the inner sides of the outer rings, the positioning columns are symmetrically arranged on the rack, and two stand columns are evenly distributed on the inner sides of the positioning columns. The stand columns are symmetrically arranged on the rack, one stand column hole is formed in the upper portion of each stand column, and the four guide rods are connected with the four guide rod holes in a sliding mode respectively.
Owner:JIAMUSI UNIVERSITY

Bracket for lung volume reduction

A lung volume reduction stent, belonging to the technical field of medical devices, is characterized in that it is mainly composed of a mesh skeleton (1) and a one-way valve (2), and the one-way valve (2) is a cavity at one end Trumpet-shaped cone or spherical body, the end of the mesh skeleton (1) connected to the one-way valve (2) is also trumpet-shaped, and the horn end of the one-way valve (2) is connected to the mesh skeleton ( The horn ends of 1) are connected, and a support wire (3) is provided on the inner surface of the one-way valve (2), and the support wire (3) is either tightly bonded to the outside of the one-way valve (2), or tightly Bonded on the inner side of the one-way valve (2). The invention has the characteristics of simple structure, convenient insertion, reliable fixation, convenient operation, time saving, less pain for patients, good therapeutic effect, few complications, wide application range and the like. Through minimally invasive technology, it not only achieves the effect of thoracotomy lung volume reduction surgery, but also avoids the disadvantages of thoracotomy surgery such as large trauma, difficult positioning, high requirements on lung function, many postoperative complications, and high mortality. Clinical application prospect and market prospect.
Owner:张霄鹏 +1

Torque-free bicontinuous suture method for corneal transplantation

InactiveCN107374819AOvercome randomnessBeautiful and reasonable suture layoutEye implantsEye surgeryDistortionSuture line
The invention discloses a torque-free double continuous suture method for corneal transplantation. In the torque-free double continuous suture method for corneal transplantation, an initial reference suture is established from the first step, and then each step is based on the reference suture of the previous step. The stitches are sutured regularly, and a reference is set for the next suture, which ensures that each inner suture angle and outer suture angle are 90° and 45°, which overcomes the randomness of double continuous suture in the past and makes the suture layout after surgery It is more beautiful and reasonable, reduces the twisting force of the graft and the implant bed, reduces postoperative astigmatism, is safer than the traditional method, and avoids the risk of cutting the suture during the operation, and the suture knot is buried in the junction of the graft and the implant bed. In the incision, it avoids postoperative complications caused by exposed thread knots, reduces the risk of suture breakage caused by turning sutures after surgery, and improves vision better than intermittent sutures, providing a more effective and simple method for clinical use. new method.
Owner:王旭

Gall bladder pacemaker

PendingCN110064130ATo stimulate contractionAchieving Stone TreatmentImplantable neurostimulatorsExternal electrodesPostoperative complicationCardiac pacemaker electrode
The invention discloses a gall bladder pacemaker. The pacemaker comprises an in-vivo stimulator, an in-vitro controller and a PC terminal; the PC terminal is in serial port connection with the in-vitro controller and is used for transmitting preset control command parameters to the in-vitro controller, and the in-vitro controller is in wireless communication with the in-vivo stimulator, inputs a control command for the in-vitro controller and is used for storing and displaying in-vitro detection data; the in-vitro stimulator is implanted in the body of a patient and provides certain current stimulation for the gall bladder of the patient. The provided gall bladder pacemaker conducts current stimulation on the gall bladder wall to achieve an effect of stimulating contraction so as to treatgallstones, postoperative complications brought by a gall bladder excision treatment mode are avoided, and a new method is provided for gall bladder treatment, and the gall bladder pacemaker is wide in market prospect and convenient to popularize.
Owner:上海黎欧生物科技有限公司

Selective localization micro-control technology for dorsal penile nerves

The invention discloses micro-controlled surgery for selective positioning of the dorsal nerve of the penis, comprising the following steps: after the anesthesia is effective, the patient takes a supine position, routinely disinfects the operation field with 0.5% iodophor, and spreads a sterile surgical towel; targets the sensitive nerves on the outside of the cavernous muscle A small incision of 2‑3 mm long and 0.5 mm deep was made on the skin of the genitals, and part of the dorsal nerve fibers of the penis were excised; the foreskin and subcutaneous tissue were sutured longitudinally and intermittently with 5‑0 absorbable sutures; The wound was bandaged with bacterial excipients, and the operation was over. The invention has the advantages of small operation trauma, short operation time, safety and painlessness, less bleeding, quick postoperative recovery, strong anti-infection ability and ideal therapeutic effect.
Owner:CHANGSHA NANREN HOSPITAL CO LTD
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