130 results about "Surgical wound" patented technology

The invention relates to the technical field of bone implants for minimally invasive surgery, and particularly discloses an implant for percutaneous minimally invasive thoracolumbar vertebral fracture, which comprises a vertebral body forming body, the vertebral body forming body comprises a vertebral body forming body head and a plurality of blade parts arranged at the rear end of the vertebral body forming body head in a surrounding manner, the vertebral body forming body head is provided with a needle guide hole penetrating along the axial direction, and the needle guide hole is communicated with the blade parts; a containing cavity is defined by the blade parts; the front end of the threaded guide rod and the head of the cone forming body are integrally formed, the needle guide hole penetrates through the threaded guide rod in the axial direction, and the rear end of the threaded guide rod extends out of the containing cavity; the pedicle screw is provided with a threaded hole penetrating in the axial direction, the threaded hole is in threaded connection with the threaded guide rod, the pedicle screw comprises a screw head and a threaded part arranged at the rear end of the screw head, and the screw head is arranged in the containing cavity and expands the blade part. According to the implant for the percutaneous minimally invasive thoracolumbar vertebral fracture, surgical wounds are reduced, the vertebral restoration effect is good, the stability of a vertebral formed body is guaranteed, and the surgical time can be saved.

The invention relates to the technical field of wound cleaning, and discloses a traditional Chinese medicine surgery wound cleaning device which comprises a butt joint conveying belt mechanism, the top of the butt joint conveying belt mechanism is fixedly provided with a fluid conversion cleaning mechanism, and the bottom of the butt joint conveying belt mechanism is movably provided with a disposable flushing suction mechanism or wiping mechanism. A limiting cleaning mechanism and a limiting evaporation mechanism are installed on the two sides of the butt joint conveying belt mechanism correspondingly. According to the wound cleaning device for the traditional Chinese medicine surgery department, through the arrangement of the butt joint conveying belt mechanism, the fluid conversion cleaning mechanism, the disposable flushing and suction mechanism, the wiping mechanism, the limiting cleaning mechanism and the limiting evaporation mechanism, the state of the disposable flushing and suction mechanism can be converted through the fluid conversion cleaning mechanism during use; therefore, foreign matters in the wound can be accurately flushed or sucked through the disposable flushing and sucking mechanism, and the cleaning effect on the foreign matters in the cut wound is improved.

The invention discloses a self-adaptive hydrogel coupling agent as well as a preparation method and application thereof, belongs to the field of medical instruments, and particularly relates to a preparation method of the self-adaptive hydrogel coupling agent. The preparation method comprises the following steps: dissolving a main monomer, a functional monomer, a molecular weight regulator and a reinforcing filler in sterilized deionized water under dark and sterile conditions, carrying out a free radical polymerization reaction under the action of a persulfate solution and tetramethylethylenediamine, and carrying out dialysis and sterilization treatment to obtain the self-adaptive hydrogel coupling agent. The self-adaptive hydrogel coupling agent prepared by the invention eliminates tissue deformation caused by probe pressurization, significantly improves the accuracy of measurement of the actual distance of a target by ultrasound in an operation, and meanwhile, the self-adaptive hydrogel coupling agent is good in biocompatibility, can be sterile, is convenient to operate, and is suitable for open or endoscopic surgical wounds.

The invention relates to the technical field of medical data processing, and discloses a hip joint bone cartilage forming operation planning method, system and equipment based on a reverse motion envelope surface and a medium, and aims to accurately identify a bone impact area through all-attitude three-dimensional collision detection and remarkably reduce missed diagnosis and excessive resection risks; the device adapts to multiple pelvis postures, and limitation of a single posture is avoided; an inverse motion enveloping strategy is adopted, so that the operation efficiency and precision are improved, and the submillimeter resolution is realized; a multi-attitude and time dimension collision detection process is simplified, a potential conflict area is quickly obtained through union set operation, and digital operation planning is greatly facilitated. In addition, a doctor can be assisted in obtaining a three-dimensional visual'to-be-cut-off area 'before an operation, and the operation time is shortened; human experience errors are reduced, and the postoperative joint motion range is improved; the hip joint protection surgery is promoted to be converted from a two-dimensional scheme to a'three-dimensional + time 'multi-dimensional refined planning, and the method has important significance in reducing surgical wounds and improving postoperative functional recovery.

The invention relates to a multifunctional endoscope capable of flexibly retracting soft tissue, which comprises an endoscope main body and a balloon assembly, the endoscope main body comprises a handle, a main body tube, a visual module and a forceps channel suite, and a forceps channel penetrating through the handle and the main body tube from the near end to the far end is formed in the forceps channel suite; the balloon assembly comprises a balloon and a catheter, the balloon is made of a transparent material, and the balloon is provided with a balloon inner cavity communicated with the catheter inner cavity; the balloon and the catheter can be inserted into and moved out of the forceps channel, and the balloon can extend out of the far end of the main body tube through the forceps channel. The multifunctional endoscope disclosed by the invention is highly integrated, can be used for visual puncture and flexible retraction of brain tissues as well as visual suction, flushing and other surgical operations after puncture, and can flexibly retract the brain tissues and realize clear visualization in the puncture stage; in the treatment stage, different surgical operations can be achieved by inserting different instruments into the forceps channel, operation is easy and convenient, surgical wounds are reduced, and the structure is simple.

The utility model relates to the technical field of medical instruments, and discloses a wound protection device for the cardiothoracic surgery department, which comprises a protection suite, a mounting insertion cylinder, a fitting pad, an abutting ring piece, a sterile cotton layer, a nursing cotton layer, a ventilation groove and a filter cotton layer. The attaching pad is attached and fixed to the skin, then the installation insertion cylinder is inserted and limited through the limiting clamping piece corresponding to the limiting groove, after the installation insertion cylinder and the protection sleeve are installed in a butt joint mode, the protection sleeve and the installation insertion cylinder can be fixed in a magnetic attraction mode through the magnetic attraction piece and the fixing magnetic ring, and after the installation insertion cylinder is inserted into the protection sleeve, the protection sleeve can be fixed through the fixing magnetic ring. The bottom of the nursing cotton layer can be attached to the wound of a patient for protection, antibacterial treatment is conducted through the disinfection cotton layer, when dressing change is conducted, the installation insertion cylinder is directly pulled out upwards, in this way, the protective sleeve and the installation insertion cylinder can be rapidly disassembled and assembled, use is convenient, redundant complex structural elements are reduced, and therefore the effects of reducing cost and improving practicability are achieved.

The invention provides a surgical electrode and a using method thereof, and relates to the technical field of medical instruments. Two electrode accommodating holes are formed in the fixed sleeve body, a telescopic electrode stem and a rotating electrode stem are respectively arranged in the two electrode accommodating holes, and a bending part is arranged at the end part of the rotating electrode stem; an electrode control circuit board is arranged in the containing cavity and electrically connected with the telescopic electrode rod and the rotary electrode rod. The surgical electrode has the beneficial effects that the telescopic assembly is arranged in the inner shell of the surgical electrode and can control the telescopic electrode rod to stretch out and draw back, so that the surgical electrode can execute single-electrode and double-electrode functions and has multiple functions, and the problem that an existing surgical electrode is single in function is solved; and in the switching process of the single-electrode working state and the double-electrode working state of the operation electrode, the tool bit does not need to be replaced. And in the dual-electrode mode, the distance between the electrodes is adjustable, so that the surgical electrode can adapt to the widths of different surgical wounds, the adaptability of the surgical electrode is improved, and the surgical effect is further improved.

The invention provides a surgical operation wound drainage and administration device which comprises a sponge imbedding sheet, a plurality of drainage tubes and administration tubes which are distributed in a pairwise staggered mode are arranged in the sheet, and a plurality of drainage holes and administration holes are formed in the peripheries of the drainage tubes and the administration tubes respectively. A main pipe strip perpendicular to the drainage pipe and the dosing pipe is arranged on one side of the sponge imbedding piece, a drainage cavity and a dosing cavity are formed in the main pipe strip, and the drainage pipe and the dosing pipe are communicated with the drainage cavity and the dosing cavity respectively. And the main pipe strip is outwards connected with a liquid outlet pipe and a liquid inlet pipe which are respectively communicated with the drainage cavity and the dosing cavity. The device further comprises a drainage bag communicated with the liquid outlet pipe and a medicine storage tank communicated with the liquid inlet pipe. A piston piece is arranged in the medicine storage tank, high-elasticity compression sponge is arranged on the side, away from the liquid inlet pipe, of the piston piece and stores medicine liquid, air inlet micropores are formed in the end, close to the high-elasticity compression sponge, of the medicine storage tank, and a hole blocking piece is detachably connected to the outer side. According to the device, all-directional and efficient drainage and continuous and uniform drug administration can be achieved, wound impregnation is effectively avoided, and the postoperative wound nursing accuracy and the treatment effect are improved.

The utility model relates to a self-inflating nasal cavity balloon stent which comprises a balloon supporting mechanism and an inflating mechanism. The balloon supporting mechanism comprises a semi-hard bottom frame, a semi-hard ventilation main supporting column, a one-way valve and an expandable pressure-resistant balloon, the semi-hard bottom frame is fixed to one end of the semi-hard ventilation main supporting column, the one-way valve is used for fixing the lateral supporting structure to the semi-hard bottom frame, and the expandable pressure-resistant balloon is fixed to the other end of the semi-hard ventilation main supporting column; the inflation mechanism comprises an inflation balloon and an inflation needle, the inflation needle is communicated with the inflation balloon, and the inflation needle can be connected with the one-way valve in an inserted mode. The self-filling nasal cavity balloon stent can quickly and effectively solve the problem of nasal obstruction of a patient, improves the breathing quality of the patient in daily life, especially during sleeping at night, further improves the physical condition of the patient, improves the body immunity, and improves the chronic rhinitis condition of the patient from the perspective of a long time; in addition, the nasal cavity expanding and filling device can also be used as an auxiliary instrument for expanding and filling surgical wounds after a nasal cavity operation.

The invention discloses an ophthalmologic operation navigation positioning method, device and equipment and a storage medium, and the method can obtain detailed information of bone tissues and soft tissues at the same time after a CT image and an MR image are fused, can carry out the precise segmentation and planning of a registered image, and provides accurate navigation and guidance for an operation. After registration, under the guidance of navigation, a doctor can more accurately position a surgical site, damage to surrounding tissues is avoided, surgical wounds are reduced, surgical risks are reduced, and surgical efficiency is improved.

The invention discloses an anesthesiology department postoperative wake-up device convenient for position adjustment, and particularly relates to the technical field of medical apparatus and instruments, the anesthesiology department postoperative wake-up device comprises a wake-up seat for anesthesiology department postoperative wake-up, a wake-up assembly and a driving assembly; the awakening seat comprises a seat body and a supporting groove used for containing the anesthetized lower limbs of a patient. A supporting groove is formed in the top face of the base. The awakening assembly is arranged on the seat body; the awakening assembly comprises a movable groove, a movable block and a stimulation block; a movable groove is formed in the seat body; a plurality of movable blocks are movably arranged in the movable groove in a linear array through a driving assembly; a plurality of stimulation blocks are uniformly and fixedly arranged on the top surface of the movable block, and the end parts of the stimulation blocks penetrate through the movable groove and extend to the outside; the bottom surfaces of the movable blocks are V-shaped surfaces, and the motion trail formed by the plurality of movable blocks is wave-shaped; the anesthetic patient awakening device is reasonable in structural design, the awakening seat is placed between the lower limbs of an anesthetic patient and the transfer bed, an operation wound of the patient can be avoided, the position adjusting effect is achieved, and the anesthetic patient can be continuously stimulated.

A shower brassiere for protecting surgical wounds and wound dressings from water while the wearer showers includes a garment body which configured to be worn around a chest of the wearer. The garment body has a generally tubular shape with a top end and a bottom end which are open to an interior space of the garment body. The garment body also comprises a water impermeable material. Drawstrings are attached to the garment body which are operable to cinch the garment body against the wearer's body to seal an interior of the garment body from the surrounding atmosphere.

The invention relates to the technical field of hemostatic materials, in particular to composite hemostatic gel as well as a preparation method and application thereof. The composite hemostatic gel is prepared from the following components in percentage by mass: 0.5 to 3 percent of carboxymethyl chitosan, 0.5 to 5 percent of trehalose, 1 to 10 percent of glycerol, 0.1 to 2 percent of carbomer, 0.1 to 2 percent of recombinant blood coagulation factor III, 0.005 to 0.05 percent of benzalkonium chloride and the balance of Tris-HCl buffer solution. Based on the synergistic effect of a natural high polymer material carboxymethyl chitosan and a bioactive component recombinant blood coagulation factor III, the gel constructs a'physical adsorption-blood coagulation activation 'dual hemostasis pathway, realizes a rapid and multi-mechanism hemostasis function, has antibacterial and repair promoting characteristics, can be widely applied to various bleeding scenes such as cutting wounds and surgical wounds, and has wide application prospects. The wound healing is effectively promoted.

1. The name of this design product: Anorectal surgery wound dressing fixation device. 2. Purpose of this design product: Used for fixing dressings for anorectal surgical wounds. 3. The key point of the design of this product lies in its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model provides a guide mechanism of an electric endoscopic cutting anastomat, which belongs to the technical field of medical instruments and comprises a guide rod, a guide rod and a guide rod, an anastomat; the electric telescopic rod is fixedly connected to one side end of the anastomat; the motor is fixedly connected to the circumferential inner wall of the electric telescopic rod; the anastomat is accurately positioned to a surgical site, and the dial gauge on the electric telescopic rod is used for providing visual length reference, so that a doctor can very accurately adjust the positions of the nail bin and the cutting blade to ensure that the nail bin and the cutting blade are accurately aligned with target tissues, personal errors are reduced through the accurate control, the success rate of surgery is improved, and after the position is confirmed to be correct, the surgical efficiency is improved. A doctor presses down the button, the motor is started, the motor drives the clamping nail base to rotate and complete the cutting action, then suturing treatment is conducted immediately, it is ensured that a surgical wound is closed rapidly, the surgical accuracy is improved, and misoperation is effectively prevented.

The utility model discloses an endoscope optical system and an endoscope, the endoscope optical system comprises a first sub-optical system and a second sub-optical system, the first sub-optical system is used for forming a first optical channel; the second sub-optical system is used for forming a second optical channel, and the second optical channel and the first optical channel are arranged side by side; and the first sub-optical system and the second sub-optical system share one steering prism. In this way, clinical requirements of surgical robots can be met, and compared with an endoscope with the outer diameter being 10 mm or above, surgical wounds are smaller, and postoperative recovery is better facilitated; the outer diameter of the lens can be increased, so that the processing difficulty of the lens is reduced, the processing precision and the yield are improved, the good optical imaging quality is ensured, and the purpose of reducing the batch cost is also achieved; and binocular combined aberration caused by processing and assembling deviations of an independent prism in a traditional scheme can be eliminated.

Disclosed herein are low density particles comprising polymerized fibrin that are micrometer or nanometer sized in diameter. The particles can further include at least one therapeutic agent. The particles may be used to treat wounds, by administration directly or systemically to the site of the wound. Exemplary wounds that may be treated with the fibrin particles include a trauma wound, a surgical wound, a burn wound, or an ulcer wound. Also disclosed herein are methods for preparing the particles using a shearing process.

The invention discloses a protection device for reducing the abdominal cavity infection rate, and relates to the technical field of medical protection instruments.The protection device for reducing the abdominal cavity infection rate comprises a protection belt, and a sealing ring gasket is installed on the surface of one end of a plurality of reset springs. Therefore, the connecting support ring pushes the sealing ring pad, the sealing ring pad is tightly attached to an outlet of the drainage tube and the outer side of a surgical wound, invasion of microorganisms such as external bacteria and viruses is prevented, the infection risk is reduced, the stability and effectiveness of a drainage system are kept, and the sealing effect is enhanced through tight attachment of the sealing ring pad. The stability of the whole drainage tube fixing device is improved, when a patient moves or moves, the sealing ring pad can effectively prevent the drainage tube from falling off or shifting due to external force, continuous and effective operation of a drainage system is guaranteed, and complications and discomfort caused by falling off or shifting of the drainage tube are reduced.

The utility model discloses a surgical dressing change wound surface simple flusher which comprises a flushing pool, a supporting frame of an L-shaped structure is arranged on one side of the top of the flushing pool, an inserting groove of a horn mouth structure is formed in the top of the supporting frame, an inverted container is arranged in the inserting groove, the bottom of the container is connected with a connecting pipe, and the bottom of the connecting pipe is connected with the flushing pool. The bottom of the connecting pipe is connected with a communicating pipe, and the bottom of the communicating pipe is connected with a liquid outlet pipe. By means of the structure, a container containing flushing fluid is inversely placed in the inserting groove, the movable plug is controlled to move so that the through groove can be located between the connecting pipe and the fluid outlet pipe, the flushing fluid in the container can be discharged through the connecting pipe, the communicating pipe and the fluid outlet pipe to conduct simple flushing work on the wound surface of a patient, and the problem that the container needs to be held by hand for flushing is solved; and in addition, the flushing pool at the bottom can be used for collecting waste liquid generated after flushing in a centralized mode, follow-up treatment work is facilitated, and the use effect is good.

The application discloses a material for preventing tissue adhesion and hemostasis and a preparation method thereof, and relates to the technical field of medical biomaterials.The carboxymethyl cellulose, chitosan and vancomycin / ceftazidime are synergistically matched, so that the three functions of hemostasis, adhesion prevention and antibiosis are integrated;meanwhile, the water absorption and gelation of the carboxymethyl cellulose and the blood coagulation activation of the chitosan can jointly strengthen the hemostasis effect; the tissue barrier function of the chitosan and the gel isolation of the carboxymethyl cellulose can jointly improve the adhesion prevention performance; the broad-spectrum antibiosis of the vancomycin and the ceftazidime can respond to the infection risk in different surgical scenes; the material preparation process is simple, the dosage form can be adjusted according to different surgical scenes, the material has good biocompatibility and can be completely degraded, the problem that the existing medical materials have single function and are difficult to meet the needs of complex surgical wounds is solved, and the material has significant clinical application value.

The present application relates to the technical field of medical apparatus and discloses a surgical wound cleaning and draining device, which comprises a moving box and a cylinder. A universal flow guide is installed on the cylinder, and a sponge part is detachably connected to the bottom of the universal flow guide and located in the cylinder. A draining cover is detachably connected to the bottom of the cylinder. The moving box is divided into a liquid supply cavity and a waste liquid cavity by a partition. A liquid supply part and a suction part are installed on the front side of the partition. The liquid supply part is in communication with the liquid supply cavity, and the suction part is in communication with the waste liquid cavity. The liquid supply part is detachably connected to the universal flow guide for delivering cleaning liquid into the universal flow guide. The present application forms a closed cleaning environment by the draining cover, changes the traditional jet flushing into uniform moistening by the sponge part, cooperates with the suction part to recycle waste liquid in time, adjusts the angle of the flow guide pipe by the universal part, realizes flexible wiping, moistening and debridement, and the sponge part can be left as a dressing for integration of cleaning and dressing, reducing the risk of wound exposure and infection.

The utility model relates to the technical field of medical instruments, and provides a double-cavity tube with a negative pressure drainage function, which comprises a catheter, a flushing tube and a drainage tube are inserted into the catheter, the end part of the catheter is provided with a flushing port communicated with the flushing tube and the drainage tube, and the drainage tube is filled with a cotton sliver and is connected with a negative pressure device. On the basis, drainage can be performed while a surgical wound is flushed, so that the surgical efficiency and effect are improved.

The present specification discloses a method, system, and apparatus for inhibiting collagen production in fibroblasts using an alternating electric field. In one aspect, the present invention can effectively regulate ECM homeostasis by inhibiting the production of type I procollagen and increasing MMP-1 expression using a low-frequency and low-intensity alternating electric field, thereby effectively regulating (inhibiting) collagen production in fibroblasts. In another aspect, it has the advantage of being applicable not only to the treatment of fibroproliferative skin diseases such as hypertrophic scars and keloids, but also to the prevention and treatment of general surgical wounds that occur after surgery.

The utility model relates to the technical field of surgical instruments, in particular to a costal cartilage cutting device which comprises a cutting part and a handheld part, the cutting part is arranged at one end of the handheld part and comprises a mounting seat and a cutting knife, the cutting knife is detachably connected to the mounting seat and comprises a U-shaped blade and a knife handle fixedly arranged at the top end of the blade, and the cutting knife is detachably connected to the mounting seat. The cutter handle is detachably connected with the mounting base, the blade comprises a cutting edge end and a cutter back end, a lifting plate is arranged on the side, close to the cutting edge end, of the mounting base, and the adjusting assembly is used for driving the lifting plate to conduct lifting adjustment. Through the arrangement of the adjusting assembly and the lifting plate, the lifting plate can be adjusted to shield and bear the cutting edge end, and the effective use thickness of the cutting edge end can be achieved, so that the blade can be conveniently adjusted to cut costal cartilages with different thicknesses, the costal cartilages can be selectively cut according to the required costal cartilages, waste caused by excessive cutting of the costal cartilages is avoided, and the costal cartilages are convenient to use. The situation that an operation wound is relatively large due to excessive cutting can be avoided, and the degree of injury to a human body is reduced.

The present invention belongs to the field of biomedical materials technology, and specifically relates to a probiotic hydrogel and its preparation method and application. The probiotic hydrogel comprises a hydrogel substrate formed by oxidized methylmalonamide hyaluronic acid; and the hydrogel substrate is cross-linked with probiotics and extracellular polysaccharides secreted by the probiotics, wherein the probiotics are Lactobacillus acidophilus. L. acidipiscis 10851 , the extracellular polysaccharide is L. acidipiscis 10851 The probiotic hydrogel of the present invention is suitable for various traumas and surgical wounds, and can stop bleeding, reduce wound infection and promote wound healing.

The utility model discloses a pediatric surgery wound protector, and relates to the technical field of wound protectors, the pediatric surgery wound protector comprises gauze, the arc surface of the gauze is uniformly connected with four filling blocks in a sliding manner, every two filling blocks form a group, one sides, far away from each other, of the filling blocks in each group are respectively connected with a protection plate in a sliding manner, and the protection plates are connected with the arc surface of the gauze in a sliding manner. Two screw rods are fixedly connected to the inner walls of the two protection plates, every two of the four screw rods form a group, the arc surfaces of the two groups of screw rods are in threaded connection with adjusting pipes, the arc surfaces of the two groups of screw rods are provided with threads in opposite directions, an iron box is fixedly connected to the inner wall of the filling block, and magnets are attracted to the inner wall of the iron box. According to the pediatric surgery wound surface protector, the effect of protecting the pediatric surgery wound surface is achieved, and the problems that after the wound surface is solely bound by a bandage, the exercise force of a child is high, the wound surface position is prone to being collided, secondary injury is caused, and the wound surface recovery efficiency is reduced are solved.

The invention discloses a surgical wound debridement and suturing protection device, relates to the technical field of surgical suturing, and solves the problems that in the prior art, a working table is fixed in a cover body, and the direction of entering the interior of the device is fixed; inconvenience is brought to some patients difficult to move and auxiliary movement of medical staff. The slidable protection table is arranged on the surface of the workbench for limiting the position of the protection cover, the protection table serves as the position where a patient is located, when the patient is moved into the protection device for wound debridement and suture, the protection table can be pulled out of the protection cover, the protection table is in the unshielded position, and the patient is not shielded when moving; and sliding of the protection table in the protection cover is achieved through rotation of a screw rod, the rotating direction of the screw rod can be changed through position changes of a driving gear on the surface of a driving rod, then the sliding direction of the protection table on the surface of the workbench can be conveniently changed, and the device is convenient to use.

The invention belongs to the technical field of medical devices, and discloses an intelligent thyroid postoperation compression hemostasis device which comprises a pressure acquisition module, a main control module, a compression module, a fixing module, a pressure adjusting module, a monitoring module, a sterilization module and a display module. By means of reasonable design and accurate pressure adjustment, the compression hemostasis device can enable small blood vessels of a surgical wound to be closed rapidly, postoperative bleeding is effectively reduced, the risk of hematoma formation is reduced, and wound healing is promoted. Due to the application of the pressure adjusting module, the medical staff can accurately control the compression pressure according to the specific condition of the patient, the adverse effect caused by too large or too small pressure is avoided, and the hemostasis effect and the safety of the patient are improved. The reliable fixing module ensures the stability of the compression hemostasis device in the moving process of the patient, the continuity of the compression hemostasis effect is ensured, and complications caused by device displacement are reduced.

The present application relates to the medical field, and is used for treating gallstones, and is a gallstone dissolving agent and a double-needle tube circulating agent gallstone dissolving device. The gallstone dissolving agent is prepared by mixing a weak organic acid and an organic solvent according to a certain concentration ratio. The double-needle tube circulating agent gallstone dissolving device is connected by a medicine bottle, a dropping funnel, a medicine delivery tube, an inner needle tube, a rubber cap, a reversing tee, an outer needle tube, and a drainage tube according to a specified position and sequence. The device has the beneficial effects that after the gallstone dissolving agent is safely dropped into the gallbladder, the gallstone is dissolved by a chemical method and is circulated and removed from the body, the gallstone is completely removed without any residual fragments, the surgical wound is not greater than 1.8 mm, the gallbladder is slightly damaged, and the body recovers quickly. The device is a new breakthrough in gallbladder-preserving and stone-removing surgery.

Methods and membranes are disclosed for healing one’s body wounds, such as surgical wounds that may result from Mohs micrographic surgery. One or more membranes comprising membrane materials may be adhered to skin proximal to the body wound. The membrane(s) may be placed such that any reinforcing fibers of the membrane material(s) are generally parallel to a longitudinal axis of the body wound. The body wound may then be closed with sutures which may burrow into and out of the membrane material(s). There may be a connector which can increase and maintain tension between the membrane materials. After a period of time, such as at least 14 days, the sutures can be removed but the membrane(s) may remain on the skin. After another period of time has passed, the body wound may heal such that only a faint scar remains.