41 results about "Sinus tracts" patented technology

The invention relates to a biological activity mineral substance material and application of biological activity mineral substance material to soft tissue anabrosis and long-time erosion wound cell regeneration and melanoma restraining. The application is mainly achieved by wrapping biological activity mineral substance material powder with the particle size smaller than 10 micrometers by medical glycerinum into gel and coating the surfaces of wounds with the gel. The biological activity mineral substance material is prepared from, by mass, 36% of SiO2, 5% of Na2O, 20% of CaO, 15% of P2O5, 5% of medical carboxymehyl chitosan, 5% of medical sodium hyaluronate, 10% of PEG, 2% of allantoin and 2% of tocopheryl acetate. The biological activity mineral substance material is particularly suitable for treating soft tissue anabrosis such as diabetic ulcer, dental ulcer, cervical erosion, fat liquefaction wounds, bedsores, sinus tracts, venereal disease ulcer, hemorrhoids and wounds.

The invention discloses a lipid cochleate carrier based on aluminum ions. ACO is mainly used as a vaccine carrier and has the strong adjuvant function, so that a vaccine adjuvant/transfer system is formed, and immunity induction potency is improved. Being used as the vaccine carrier, the lipid cochleate carrier has the obvious advantages, the ACO carrier is wide in application range, applicable to carrying different vaccines such as subunit vaccine antigen, inactivated/attenuated vaccines and DNA vaccines, ACO stability is high, meanwhile, vaccine interior and exterior stability can be improved by packaging the vaccine, safety is high, materials adopted for ACO have good biocompatibility, dosage amount is large, multiple dosage ways are provided, dosage can be achieved through sinus tract mucosa comprising oral administration and inoculation and can also be achieved through subcutaneous, intracutaneous and muscle injection, immune induction validity is strong, and ACO has the adjuvant function, and can increase cell uptake and improve immune induction validity when carrying vaccines.

The sinus tract medicine changing device comprises a medicine feeding pipe, an expander and a medicine applying assembly, the medicine feeding pipe is installed in the expander, and the medicine applying assembly is installed at the tail of the medicine feeding pipe; the invention belongs to the technical field of medical instruments, and aims to solve the problem that sinus tract dressing changeis difficult in the prior art. The invention has the beneficial effects that through the arrangement of the medicine feeding pipe and the expander, deep sinus tract medicine feeding of the medicine changing device is achieved, the achieved effect is that powder medicine and paste medicine can be evenly smeared on the deep portion of the sinus tract, the medicine is more uniform, and medicine changing for a patient in the deep portion of the sinus tract is achieved.

The invention relates to a holmium laser electric excision system for precisely treating sinus tract. The holmium laser electric excision system comprises a dilator, a micro intracavitary endoscope, a metal guide wire, a holmium laser device, an electric excision device, and a hydraulic pressure flushing system. The dilator comprises a handle, a connecting rod, and a dilation head. The micro intracavitary endoscope comprises an endoscopic sheath, a hydraulic pressure flushing system, and an endoscopic sheath seat. An instrument passage, a water inlet passage, a water outlet passage and a cold light source passage are arranged inside the endoscopic sheath. The hydraulic pressure flushing system comprises a connecting sleeve, a water inlet pipe, and a water outlet pipe. The holmium laser electric excision system for precisely treating sinus tract has the advantages that unhealthy scar tissues on the wall of the sinus tract can be precisely cut under direct vision, and the healthy tissues surrounding the sinus tract are protected to an utmost extent while precise treatment is carried out to the sinus tract, and precise, minimally invasive treatment on the sinus tract is truly achieved; and the holmium laser electric excision system is simple to operate and easy to learn, and is advantageous for wide clinical promotion by performing a magnified visible operation by means of the endoscope, thereby benefiting the masses.

The invention discloses portable sinus tract sterilizing soft capsules. The portable sinus tract sterilizing soft capsules comprise sealed shells and sterilizing solutions arranged in the sealed shells, wherein the sealed shells can dissolve when being in contact with body fluid in the sinus tract of a human body; or the sealed shells are pressed to rupture in the sinus tract of the human body; orthe sealed shells can be started outside the sinus tract of the human body, and the sterilizing solutions can be injected into the sinus tract of the human body. The portable sinus tract sterilizingsoft capsules disclosed by the invention can wrap the sterilizing solutions into the sealed shells, soft capsules are formed, and the sealed shells are prepared from materials which can dissolve in body fluid under the body temperature of the human body; when being used, the soft capsules are placed in the sinus tract (oral cavity, nasal cavity, auditory canal, vagina or anus and the like) of thehuman body, can dissolve to rupture when being in contact with the body fluid or are subjected to outside force; or the soft capsules are started outside the sinus tract of the human body, and then the sterilizing solutions in the soft capsules are injected into the sinus tract of the human body. The sterilizing solutions exert sterilizing effects in sinus tract environment, are prepared into softcapsule granules, and are convenient to carry and use.

The invention discloses a portable sinus tract deep-cavity wound adjustable negative pressure suction apparatus, which comprises a drainage tube and a drainage suction tube, wherein a plurality of switch regulating clamps are arranged on the drainage suction tube; an exhaust port is formed in the top of the drainage bottle and a drainage port is arranged at the bottom of the drainage bottle; an LED diode cold-light lamp, a control switch and a battery are arranged on the lower surface of the drainage bottle; the LED diode cold-light lamp is connected to the battery by virtue of the control switch; a connecting strap is fixedly arranged at the top of the drainage bottle and a connecting strap is fixedly arranged at the bottom of the drainage bottle; a plug which is matched with the exhaust port and a plug which is matched with the drainage port are arranged at the tail ends of the connecting straps; and an annular fixing strap is additionally arranged on the upper end face of the drainage bottle. The negative pressure suction apparatus disclosed by the invention is good in regulating property and not easy in falloff, and the plug of the exhaust port is not easy to remove, so as to effectively avoid the leakage of drainage liquid; meanwhile, the drainage liquid is convenient to be poured, and the drainage bottle is convenient to be hung; and the suction apparatus can reduce medical material consumption, guarantee a normal operation even in the case of power failure, diminish the occupied area of an operating table and reduce an infection source.

The invention relates to the technical field of medical instruments, in particular to a percutaneous transhepatic sinus calculus removing device based on hepatobiliary surgery and a using method thereof. The percutaneous transhepatic sinus calculus removing device comprises a handle, a flushing and sucking device, a storage device and a seepage adsorption device. The flushing and sucking device isarranged on the inner side of the handle, and a sleeve is fixedly connected to the top of the right end of the handle; an inner pipe is slidably connected to the inner side of the sleeve, a push rodis slidably connected to the left end of the outer side of the inner pipe, the push rod is slidably connected with the sleeve, a storage device is arranged at the right end of the sleeve, a seepage adsorption device is arranged on the outer side of the sleeve, a shielding cover is hinged to the left side of the top end of the sleeve, and a net basket is fixedly connected to the right end of the inner pipe. In the invention, through the arrangement of the silica gel sleeve and the auxiliary sleeve, the arrangement is matched with the fixed connection of the silica gel sleeve and the auxiliary sleeve, the trumpet-shaped arrangement of the auxiliary sleeve and the spiral connection of the connecting sleeve and the threaded sleeve, when the device is used, a plurality of stones can be taken out at a time, so that the stone removal efficiency is guaranteed and the stone removal difficulty is reduced. In addition, the device can effectively adsorb flushing water leaking through the sinus tract in the calculus removing operation process, so that pollution to an operation area is reduced. Moreover, the main components in the device can be detached, cleaned and disinfected, and can be repeatedly used, so that the cost is reduced, and the economic burden of a patient is reduced.

The invention discloses an artificial sinus tract duct for a laparoscopic choledochoscope, and belongs to the technical field of medical equipment. The artificial sinus tract duct comprises a sleeve body, wherein the tail of the sleeve body is provided with a U-shaped cylinder fixing device in a magnified shape; the front end of the sleeve body is connected with a duct head, the duct head comprises a connecting part and a movable part, the connecting part is connected with the sleeve body, and the movable part is composed of multiple arc-shaped petals; in an installation state, the sleeve bodyis inserted into the biliary tract, and the U-shaped cylinder fixing device is fixed to the abdominal wall; when the choledochoscope stretches into the biliary tract from the artificial sinus tract duct for the laparoscopic choledochoscope, the arc-shaped petals expand around to be attached on the biliary tract wall. The artificial sinus tract duct for the laparoscopic choledochoscope is used inthe laparoscopic choledochoscope exploratory surgery, a channel is built between a puncture hole and a bile duct incision, so that the choledochoscope can go into the bile duct and out of the bile duct rapidly, thereby reducing the intraoperative operation time.

The invention provides a negative pressure device for washing a root canal and a sinus tract, and belongs to the technical field of oral treatment. The negative pressure device for washing the root canal and the sinus tract comprises a collecting cup, the top of the collecting cup is fixedly connected with a cup cover, the top of one side of the outer wall of the collecting cup is provided with a first connecting joint, and the end, away from the collecting cup, of the first connecting joint is fixedly connected with a first flow guide pipe; a liquid extraction mechanism is fixedly connected to the end, away from the collecting cup, of the first flow guide pipe, an air extraction connecting mechanism is fixedly connected to one side of the top of the cup cover, and a liquid drainage mechanism is fixedly connected to the bottom of the side, away from the first flow guide pipe, of the outer wall of the collecting cup; and the center of the top of the cup cover is fixedly connected with an air inflow mechanism. With disposable medical materials and simple structural design structures adopted, the device not only is simple in structure and convenient to operate, but also greatly reduces the probability of cross infection caused by incomplete disinfection, so that the overall working efficiency is greatly improved.

The invention discloses a drainage tube replacing method aiming at the failure of a conventional method. According to the drainage tube replacing method, a guide wire is introduced to a sinus tract formed by a gap between a drainage tube and the skin, and then the drainage tube is cut off and directly pulled out. With the drainage tube replacing method, the exposure time of X rays is shortened byone time or more, so that the ray injuries caused to a patient and an operator are reduced, and further, the patient and the operator are benefited. For the drainage tube replacing method, while the exposure time of X rays is reduced, no differences exist between the method provided by the invention and the existing conventional method in the aspects of the technical success rate and the complications.

The invention discloses a wound surface or sinus tract gel dressing injection device, and particularly relates to the technical field of medical instruments. The wound surface or sinus tract gel dressing injection device comprises a push plate and a push handle connected with the push plate, the push handle is connected with a hollow sleeve in a sliding manner; an air outlet hole is formed in oneside of the sleeve, the push handle is further detachably connected with a first injector and a second injector which are both located under the push plate, the volume of the first injector is ten times that of the second injector, and the mastoid of the first injector and the mastoid of the second injector are jointly connected with a Y-shaped connecting pipe. By applying the technical scheme, the problem of high consumable cost in the chronic refractory wound surface treatment process is solved, and the device can be used for treating the wound surface of a patient.

The invention discloses a postoperative anastomotic fistula drainage device and a negative pressure drainage device, and relates to the technical field of medical instruments. The postoperative anastomotic fistula drainage device comprises a dressing, a cavity drainage tube and a radiography drainage tube, the dressing is used for filling an incision of a patient, the dressing can absorb body fluid of a patient, the cavity drainage tube penetrates through the dressing in the thickness direction of the dressing, the cavity drainage tube points to an anastomotic sinus tract, the radiography drainage tube penetrates through the cavity drainage tube in the length direction of the cavity drainage tube, and the ends, extending out of the body of the patient, of the radiography drainage tube andthe cavity drainage tube can be communicated with a negative pressure device. In the present invention, the cavity drainage tube can guide the radiography drainage tube, the radiography drainage tubecan extend into the outer opening of an anastomotic sinus tract, the structure of the sinus tract can be conveniently confirmed by radiography of the anastomotic stoma sinus tract, and when the radiography drainage tube stretches into the inner opening of the anastomotic stoma sinus tract, a contrast medium is pushed again and radiography is carried out to confirm whether the radiography drainagetube stretches into the proper position or not, so that accurate drainage can be carried out on anastomotic fistula, and anastomotic fistula is quickly cured.

When the peripheral tissue of the inner opening of the sinus tract forms fibrosis, the effect of negative pressure is greatly reduced when the existing treatment device is combined with a gastrointestinal endoscopy, in order to solve the technical problems existing in the prior art, the invention provides a cannula used for closing the inner opening of the sinus tract and a treatment device used for closing the inner opening of the sinus tract, which can bring the inner opening of the sinus tract and part of the tissue around the inner opening of the sinus tract into the end opening of the tail end of the cannula when the peripheral tissue of the inner opening of the sinus tract forms fibrosis.

The invention discloses a visible sinus tract wound probing device which comprises a probing handle, a sinus tract wound probing mechanism and a sterilization and disinfection mechanism, a controller is arranged in the probing handle, the sinus tract wound probing mechanism is arranged on one side of the probing handle and comprises a probing connecting rod, the probing connecting rod is fixedly connected with the probing handle, and the sterilization and disinfection mechanism is arranged on the probing handle. A detachable probing piece is arranged on the side, away from the probing handle, of the probing connecting rod, the detachable probing piece is in threaded connection with the probing connecting rod, a concave probing end is fixedly connected to the end, away from the probing connecting rod, of the detachable probing piece, and a visual probe is arranged in the concave probing end. By arranging the corresponding sinus tract wound surface exploration mechanism, the sinus tract wound surface can be rapidly explored, the convenience of exploration of the sinus tract wound surface is remarkably improved, the exploration process of the sinus tract wound surface is greatly simplified, and the treatment period of the sinus tract wound surface is shortened.

The invention discloses a device for stuffing a human body tissue sinus tract with platelet-enriched plasma. The device comprises a plasma syringe (1), a thrombin syringe (2) and an air syringe (3), wherein the plasma syringe (1), the thrombin syringe (2) and the air syringe (3) are integrally connected and fixed through a fixing device; the fixing device comprises a first positioning piece (4) and a second positioning piece (5) parallel to the first positioning piece (4); guiding shaft rods (30) are perpendicularly fixed to two ends of the first positioning piece (4); and the ends of the guiding shaft rods (30) penetrate through the second positioning piece (5) which is in gap sliding cooperation with the guiding shaft rods (30). The device disclosed by the invention is simple in structure and convenient to use; before solidification, each corner in a lacuna can be stuffed; and after mixing is completed for about 3-5min, gel is formed, so that the lacuna in the sinus tract is stuffedto the maximum degree.