77 results about "Peritoneal drainage" patented technology

The invention relates to the technical field of peritoneal drainage, in particular to a peritoneal drainage system based on hemoglobin real-time monitoring and intelligent early warning. According to the technical scheme, the device comprises an abdominal cavity drainage tube, an optical sensing module, a microprocessor module and a wireless communication module, wherein the microprocessor module is configured to perform moving average filtering and dynamic trend modeling on hemoglobin concentration data; and triggering early warning according to a preset multi-level alarm condition. The hemoglobin concentration in the peritoneal drainage liquid is accurately monitored in real time, intelligent early warning and a personalized response mechanism are combined, the limitation of traditional manual observation is broken through, the timeliness and accuracy of bleeding risk identification are remarkably improved, the infection risk is reduced through the closed design, the medical care working process is optimized through the system integration capacity, and the medical care efficiency is improved. Data sharing and remote cooperation are achieved, intervention time windows are shortened, patient prognosis is improved, nursing resources can be released, medical quality is improved, and a comprehensive and efficient solution is provided for postoperative monitoring.

The invention discloses a screening method of a gene region set for detecting small residual focuses of ovarian cancer, the gene region set and a detection system of the gene region set, and belongs to the technical field of gene molecular diagnosis. According to the method, a preoperative blood sample, an intraoperative multipoint tumor tissue sample and postoperative daily peritoneal drainage liquid of an ovarian cancer patient on the first to sixth days are taken as detection samples, a novel ovarian cancer nuclear genome hot spot region screening method is developed, a gene region for ovarian cancer tumor DNA detection is constructed, and tumor tissue mutation information is taken as a tracing basis, so that an ovarian cancer tumor DNA detection result is obtained. The characteristics of tumor tissue specific mutation in the free DNA of the peritoneal drainage liquid are analyzed, and the purpose of detecting the free tumor DNA of the peritoneal drainage liquid is achieved. The method can be applied to the postoperative residual focus detection of the ovarian cancer patient, can sensitively and accurately evaluate the postoperative residual focus state of the patient at an early stage, and provides timely prognosis judgment basis for clinic, so as to support the adjustment of clinical decisions.

The invention relates to the technical field of medical drainage tubes, in particular to an abdominal cavity drainage device for oncology surgery, which comprises a negative pressure drainage device, a control device is arranged above the negative pressure drainage device, and a negative pressure drainage assembly is arranged at the front end of the negative pressure drainage device. The abdominal cavity drainage device has the advantages that the hard adjusting branch pipe is designed below the abdominal cavity drainage main pipe, the adjusting fixing ring and the adjusting fixing assembly are designed in a matched mode, the hard adjusting branch pipe is arranged below the abdominal cavity drainage main pipe, and the abdominal cavity drainage main pipe is connected with the negative pressure drainage assembly through the hard adjusting branch pipe. The movable adjusting tube is integrally rotated by the movable pushing gasket, and then the pushing gasket is pressed to pull the tensioning line, so that the flashboard extrudes the adjusting convex block, the hollow ball tube above the hard adjusting branch tube deviates, the hollow ball tube below the hard adjusting branch tube deflects, and the positions of the hard connecting branch tube and the abdominal cavity drainage branch tube are driven to be adjusted through downward deflection of the hard adjusting branch tube; and the drainage position is convenient to adjust.

The invention discloses a peritoneal drainage flushing device based on multi-dimensional parameter monitoring and a negative pressure regulation and control system, and belongs to the technical field of peritoneal drainage. The peritoneal drainage flushing device and negative pressure regulation and control system based on multi-dimensional parameter monitoring comprises a device support, a multi-channel rotary valve and two negative pressure pumps, a flow guide pipe and a backflow pipe are arranged between the two negative pressure pumps and the multi-channel rotary valve, and pipeline detection modules are installed on the flow guide pipe and the backflow pipe. The peritoneal drainage device solves the problems that an existing peritoneal drainage device is not ideal in treatment effect and affects the treatment effect when a drainage tube is blocked, early intervention is carried out by adjusting a negative pressure pump, a multi-channel rotary valve and a three-way electromagnetic valve, targeted treatment is automatically triggered at the early stage of complications through continuous and multi-dimensional monitoring, and the treatment effect is effectively improved. The tube blocking rate, the abdominal infection rate and the abdominal hypertension syndrome occurrence rate are remarkably reduced, the pain of a patient is relieved, the recovery time is shortened, and personalized and self-adaptive adjustment is carried out according to the physical state of the patient.

The invention discloses an abdominal cavity drainage tube fixing device, relates to the technical field of drainage tube fixing instruments, and provides the following scheme that the abdominal cavity drainage tube fixing device comprises four petal-shaped traction pieces which are arranged in an annular array mode, and a drainage wound pressure reducing piece is arranged on the outer surface of the petal-shaped traction piece on the front side; drainage tube limiting pieces are arranged on the top surfaces of the petal-shaped traction piece on the rear side and the petal-shaped traction pieces on the left side and the right side. According to the technical scheme, the four sets of petal-shaped traction pieces are attached to the periphery of the wound of the peritoneal drainage tube, the drainage wound pressure reducing part and the plastic tightening strip are matched to force the four sets of petal-shaped traction pieces to be close to the center of the wound, and the wound is prevented from being torn by pulling the skin around the wound to be close to the center; and the drainage tube limiting pieces are arranged on the four sets of petal-shaped traction pieces, so that the abdominal cavity drainage tubes with different diameters are limited, and the situation that the abdominal cavity drainage tubes are pulled to pull the wound is prevented.

The peritoneal drainage flushing tube comprises an intra-peritoneal flushing drainage section, an extension section and a connecting section which are connected in sequence, a drainage groove is formed in the peripheral face of the intra-abdominal cavity flushing drainage section, and a drainage section flushing inner cavity is formed in the intra-abdominal cavity flushing drainage section. A drainage cavity is formed in the extension section, and an extension section washing inner cavity is further formed in the extension section. The connecting section comprises an outer sleeve and a movable inner pipe; a drainage connector is installed at the end, away from the extending section, of the connecting section, and a negative pressure mechanism is connected to the drainage connector. A flushing connector is arranged at the end, extending out of the outer sleeve, of the movable inner pipe, and a flushing pipeline is connected to the flushing connector. According to the peritoneal drainage flushing tube, the drainage groove is formed in the peripheral surface of the intra-peritoneal flushing drainage section, the surface roughness of the intra-peritoneal flushing drainage section can be increased to the maximum extent through the design of the drainage groove, the tube blocking phenomenon is not prone to being caused, and compared with an existing smooth drainage round hole, the practicability is higher.

The invention discloses an anti-blocking dredging peritoneal drainage tube, which relates to the technical field of peritoneal drainage and is characterized in that a drainage outer tube is fixed and sealed at a wound through a spiral clamping part at the head end of the drainage outer tube; a sealing section and a cleaning section are arranged in an inner cavity at the tail end of the drainage outer tube, and a drainage inner tube which can be drawn along the axial direction is sleeved on the inner cavity; when the drainage inner tube is blocked, the suction end is located in the sealing section, the sealing section isolates the space between the abdominal cavity and the drainage outer tube, blockages can be removed through negative pressure suction, the suction branch holes are cleaned through cleaning tentacles of the cleaning section, and automatic dredging of the drainage inner tube is achieved. The anti-infection sleeve can move along with the drawing of the drainage inner tube to realize follow-up sealing; the drainage tube is convenient to dredge, is provided with a tight anti-infection structure, can effectively improve the safety and drainage effect of peritoneal drainage, and reduces the postoperative infection risk; the problems that an existing peritoneal drainage tube is prone to blockage, difficult to dredge and prone to liquid leakage are solved.

The utility model provides a negative pressure drainage device used for preventing peritoneal drainage liquid from exosmosis, and relates to the technical field of medical supplies, the negative pressure drainage device comprises a negative pressure container used for providing a negative pressure environment needed by drainage; one end of the drainage tube is connected with the negative pressure container, and the other end of the drainage tube is an open drainage end; the air bag is arranged around the drainage tube close to the drainage end; the air inflation assembly is used for inflating the air bag; when the inflation assembly is used for inflating the air bag, the expanded air bag can seal and fill the gap between the drainage tube and the peritoneal cavity surgical incision around the drainage tube. The device has the effect of preventing exosmosis of abdominal cavity liquid media from the surgical incision of a patient after detumescence.

The utility model belongs to the technical field of medical instruments, and discloses a peritoneal drainage tube indwelling orifice seepage collection ostomy bag which comprises a carriage bag, a negative pressure bottle is fixedly arranged on the left side of the carriage bag through a drainage tube, a round hole groove is formed in the front end of the carriage bag, and a drainage tube penetrates through the interior of the round hole groove of the carriage bag. A drainage tube tensioning positioning sleeve is connected to the outer side of the drainage tube in a sleeving mode, the drainage tube slides in an inner round hole of the drainage tube tensioning positioning sleeve, a rotating clamp is arranged on the outer side of the drainage tube tensioning positioning sleeve in a sleeving mode, handles are fixedly arranged on the outer side of the rotating clamp, a telescopic rod is rotationally arranged between the two handles, and a spring is arranged on the outer side of the telescopic rod in a sleeving mode. By means of the scheme, the problems that due to the fact that a pipe is arranged at an outlet of the carriage bag and is bound through a rubber band, seepage flows out, clothes of a patient can be wetted, the carriage bag needs to be replaced, and the economic cost is increased are solved.

The utility model discloses a peritoneal drainage liquid sample reserving assembly which comprises a connecting seat, a drainage tube and a drainage bag, and a drainage channel used for communicating the drainage tube and the drainage bag is formed in the connecting seat; the sample reserving seats are detachably mounted on the connecting seat, sample reserving channels are formed in the sample reserving seats, liquid storage bottles are detachably mounted on the sample reserving seats, the liquid storage bottles are communicated with the drainage channel through the sample reserving channels, and valves are arranged at the communication positions between the sample reserving channels and the drainage channel. According to the utility model, the stable circulation of liquid between the drainage tube and the drainage bag can be ensured, meanwhile, the sample reserving in a specific time period can be realized, the influence of the sample reserving operation on the peritoneal drainage is reduced, and the accuracy of the liquid sample reserving is ensured.

The invention provides a pancreatic fistula early warning type peritoneal drainage device and a nursing method.The device comprises a drainage body, a monitoring unit, a data processing unit and an early warning unit, the drainage body is connected between an in-vivo drainage tube and an in-vitro collection bag, and the monitoring unit is arranged in a drainage channel of the drainage body; the monitoring unit comprises a flow sensor, an amylase sensing chip and a color identification sensor; the data processing unit receives data of the monitoring unit, calculates a risk grade based on a pancreatic fistula risk grading early warning algorithm and gives an alarm through the early warning unit; the nursing method comprises the steps of preoperative evaluation, device deployment, real-time monitoring and graded intervention. The pancreatic fistula early warning system solves the problem of pancreatic fistula early warning lag, reduces nursing subjectivity, reduces manual judgment errors, improves nursing efficiency and improves patient prognosis.

The utility model discloses a chassis type drainage device for preventing peritoneal drainage tube seepage, which relates to the technical field of peritoneal drainage tubes, and comprises a seepage collecting mechanism and an peritoneal fluid collecting mechanism, the peritoneal fluid collecting mechanism is positioned on one side of the seepage collecting mechanism, and the seepage collecting mechanism comprises a bonding silica gel disc. An extending paste is fixedly installed at the top of the bonding silica gel disc, a seepage collecting transparent bag is fixedly installed on the front side of the bonding silica gel disc, a seepage inlet is formed in the circle center of the bonding silica gel disc in a penetrating mode, and the seepage inlet is communicated with an inner cavity of the seepage collecting transparent bag; a drainage tube fixing hole penetrating to the inner cavity is formed in the front side of the seepage collection transparent bag. The adhesive silica gel disc, the seepage collecting transparent bag and the drainage rubber tube are matched with one another, so that seepage of the wound surface of the abdominal cavity of a patient can be prevented from flowing out, the waterproof protection effect can be achieved, and local dryness of the wound surface of the drainage tube is effectively protected.

The invention belongs to the technical field of postoperative care, and discloses a pancreatic duodenectomy postoperation protection device which comprises a fixing mechanism, and the fixing mechanism comprises two first supporting seats, a buffer strip, a second supporting seat, a hook face hook-and-loop fastener, a suede face hook-and-loop fastener, a groove, a rear shoulder strap and a front shoulder strap; through cooperation of hook face hook-and-loop fasteners, rear shoulder straps and other structures, wearing and adjusting of the device are facilitated, two second supporting seats are fixed through bonding of the hook face hook-and-loop fasteners and suede hook-and-loop fasteners, and the two rear shoulder straps and two front shoulder straps are fixed to the shoulders of a patient in a bonding mode, so that the device is more convenient to wear and adjust. Wherein the peritoneal drainage tube connected with the wound of the patient can be limited in the groove, complex operation procedures and additional auxiliary tools are not needed, even non-professional personnel can quickly operate, and the peritoneal drainage tube can be conveniently worn by the patient in different scenes; and the magic tape is used, so that the device can be conveniently adjusted in the wearing process and after wearing.

The invention discloses an abdominal cavity drainage fixing device, and relates to the technical field of medical instruments, the abdominal cavity drainage fixing device comprises a fixing bandage, the upper side of the fixing bandage is fixedly connected with a bunching bandage, the two ends of the fixing bandage are provided with notches, the right side of the fixing bandage is provided with a hollow fixing seat, the outer side of the hollow fixing seat is provided with a filtering mechanism, and the filtering mechanism is provided with a filter. The fixing bandage is bent into a ring shape so that the two notches can be close to each other, the hollow fixing base is located on the right side of the ring-shaped fixing bandage, and the bunching bandage is located on the upper side of the ring-shaped fixing bandage and located at the end away from the hollow fixing base. According to the peritoneal drainage fixing device, drained liquid is filtered through the filter ring, and the motor is adopted to drive the flow guide plate to rotate, so that the filter ring can filter and collect filter residues at the same time, and the possibility that a tail end connector of a drainage tube or a connection position of a drainage bag is blocked is effectively reduced.

The utility model is applicable to the technical field of medical catheters, and provides an abdominal cavity drainage catheter with an air bag, which comprises a drainage catheter, a metal hose sleeved in the drainage catheter, an air bag part in sliding fit with the peripheral side surface of the drainage catheter, and a fixing part in sliding fit with one side of the air bag part on the peripheral side surface of the drainage catheter, the device solves the problems that in the using process of an existing peritoneal drainage tube, most of air bag pieces on the peritoneal drainage tube are fixedly connected and cannot be correspondingly adjusted and fixed according to the depth of peritoneal effusion of a patient, so that the peritoneal effusion leaks out of an abdominal cavity puncture opening in the later drainage process, the position of the air bag pieces cannot be adjusted, and the drainage effect is poor. The peritoneal drainage catheter solves the problems that in the prior art, due to the fact that drainage is not thorough, and the applicability is low, effusion leakage can be avoided, the position of the air bag sleeve can be adjusted, the peritoneal drainage catheter can be suitable for the drainage process of peritoneal effusion of different depths, the situation that drainage of the peritoneal effusion of a patient is not thorough is avoided, and the applicability of the peritoneal drainage catheter is improved.

The utility model provides an anti-seepage device for a basin and peritoneal drainage tube, which relates to the technical field of medical auxiliary facilities and comprises an ostomy bag, and an opening is arranged at the top of the ostomy bag close to the middle position. According to the utility model, when a pelvic drainage operation and an abdominal drainage operation are carried out on a patient, the drainage hose penetrates through the opening, penetrates out of the third through hole in the surface of the base plate and is guided into the wound of the patient for drainage, and then the ostomy bag is attached to the wound of the patient after the medical adhesive on the surface of the base plate is torn off; the position, close to the warped edge, of the ostomy bag is pulled up and then fixed to the surface of the drainage hose through the fixing binding wire, when seepage occurs in the drainage process, liquid can enter the ostomy bag through the base plate, the ostomy bag and the drainage hose are combined, the seepage state can be effectively observed, and the drainage effect is good. Pollution to the bed sheet and the hospital gown after seepage can be effectively avoided, the using effect is improved, and meanwhile the workload of nurses is reduced.

The utility model discloses a sewing-free anti-seepage peritoneal drainage tube which comprises a drainage tube body and further comprises a tube guiding mechanism, the tube guiding mechanism comprises a liquid suction tube part, a V-shaped notch, a rubber wrapping tube, a tube contracting part A, a tube contracting part B, a bent connecting tube, a hard tube, a rubber sealing plug and an air bag bag, and the tube body of the drainage tube body is provided with the tube guiding mechanism. When the drainage tube body carries the liquid suction tube part and the rubber wrapping tube to enter an abdominal cavity drainage position, the drainage tube mechanism can fully fill the rubber wrapping tube on the outer side of the drainage tube body with gas, so that the air bag wrapping position expands and protrudes to form a sphere-like air bag to form a retaining position in an abdominal wall drainage hole, and the drainage tube body can be prevented from slipping outwards; the problem of skin traction pain caused by suture fixing does not exist in the drainage tube body, the air bag bag protrusions are fully attached to tissue at the skin drainage wound, the fixing and leakage preventing effects are achieved, and the problem that the drainage tube body accidentally falls off is effectively solved.

The invention discloses an anti-hematocele drainage apparatus for the neurosurgery department, and relates to the technical field of drainage apparatuses. Comprising a drainage installation part, and a drug delivery pressure reduction part is installed on the drainage installation part and used for controlling auxiliary pressure reduction during intracranial drug delivery; a turn-over protection piece is mounted on the drainage mounting piece; the turning-over protection piece is used for preventing pressure loss; an abdominal cavity drainage piece is mounted on the administration pressure reduction piece; the peritoneal drainage piece is used for adjusting the drainage position; by adopting the peritoneal drainage piece, the drainage and drainage position can be conveniently adjusted during peritoneal drainage, local peritoneal fibrosis hyperplasia is easily caused by long-term fixed drainage, and wrapped cyst is formed to hinder cerebrospinal fluid absorption; the problems that according to an existing hematocele-preventing drainage device, the drainage position of cerebrospinal fluid in the abdominal cavity is inconvenient to control and adjust, and intracranial pressure is inconvenient to automatically control and stabilize are solved.

The utility model relates to the technical field of medical drainage tubes, in particular to an angle-adjustable peritoneal drainage tube which comprises a hose, a connector, a guide tube and a control mechanism, one end of the hose is arranged in the connector in a penetrating mode and fixedly connected with the connector, the guide tube is sequentially arranged in the hose and the connector in a penetrating mode, and the control mechanism is fixedly connected with the hose. Two mounting grooves are symmetrically formed in the guide pipe, elastic strips are arranged in the mounting grooves, the ends, away from the connector, of the elastic strips are fixedly connected with the guide pipe, and the control mechanism is arranged at the end, close to the connector, of the guide pipe and used for controlling the two elastic strips to be bent so as to control the guide pipe to be bent in the fixed direction. According to the utility model, the elastic strip can be controlled by the control mechanism to bend so as to adjust the shapes of the guide tube and the hose, so that the operation of a doctor is facilitated, and the possibility of secondary injury to a patient in the intubation process is reduced.

The utility model relates to an auxiliary observation device for an abdominal cavity drainage bag, relates to the technical field of medical equipment, and is used for solving the problem that in the prior art, the color and the amount of liquid in the drainage bag cannot be clearly and accurately checked in a dark environment, so that the disease progress and the treatment effect of a patient cannot be accurately judged. Comprising a transparent placing box, an induction lighting piece, a weighing piece and a mounting frame used for being fixedly mounted on a wall, the weighing piece is fixedly mounted on the mounting frame, and the transparent placing box is detachably hung on the weighing piece; the transparent placing box is used for placing a drainage bag, the induction lighting part used for lighting is arranged below the transparent placing box, a light beam of the induction lighting part is arranged upwards, and a limiting part used for fixing the drainage bag is arranged on the transparent placing box.

The utility model relates to the technical field of medical equipment, and discloses an abdominal cavity drainage tube connecting tube which comprises a drainage bag, the bottom of the drainage bag is fixedly connected with a first drainage tube, the outer portion of the first drainage tube is fixedly connected with a three-way cock, and the outer portion of the three-way cock is rotationally connected with an extension plate. A backflow prevention mechanism is arranged in the three-way cock, a connector is fixedly connected to the bottom of the three-way cock, a second connecting pipe is fixedly connected to the bottom of the connector, and an adjusting block is fixedly connected to the outer portion of the second connecting pipe. According to the abdominal cavity drainage device, peritoneal effusion is drained into the drainage bag, so that the effusion extrudes a baffle, the baffle extrudes a telescopic rod, then a spring can deform, drainage liquid can flow into the three-way cock through a through hole plate, when pressure is dissipated, the spring rebounds, the baffle is reset, and the drainage liquid flows into the three-way cock through the through hole plate. Drainage liquid is prevented from flowing back to the abdominal cavity.

The invention discloses an abdominal cavity drainage device for hepatobiliary and pancreatic surgery, and particularly relates to the field of abdominal cavity drainage devices. Comprising a connecting pipe; the drainage cylinder is communicated with the connecting pipe; the partition plate is arranged on the upper side in the drainage cylinder, and a through hole is formed in the partition plate; the separation pipe is arranged at the through hole in the partition plate; the impact separation mechanism is arranged in the separation pipe, and the impact separation mechanism can be used for carrying out shunting treatment on the drainage liquid flowing into the separation pipe; the collecting hopper is arranged under the separating pipe; the PTFE film bag is communicated with the collecting hopper, and the PTFE film bag is communicated with the collecting hopper; the negative pressure pump is arranged on the drainage cylinder below the partition plate, and the negative pressure pump is communicated with the area between the partition plate and the collecting hopper. By the adoption of the technical scheme, the problem that a drainage tube of an existing peritoneal drainage device is prone to being blocked is solved, and the peritoneal drainage efficiency is ensured.

The invention discloses an anti-seepage peritoneal drainage device which comprises a drainage tube, a fixator used for fixing the drainage tube and a seepage liquid collecting bag used for collecting ascites seeping from the position between the drainage tube and a wound. The fixator comprises an application layer, a connecting base, a flexible pad fixed between the connecting base and the application layer, an adapter cover connected with the connecting base and a nut connected with the adapter cover. According to the anti-seepage peritoneal drainage device, the fixator of a specific structure is organically combined with the drainage tube and the seepage liquid collecting bag, reliable fixation of the drainage tube is achieved, and the technical problem that the drainage tube is not firmly fixed and slides outwards is solved; meanwhile, the ascites leaking from the space between the drainage tube and the wound can be timely discharged into the leakage liquid collecting bag through the gaps formed in the threaded ring and the cover body, and the problem that the ascites is accumulated around the wound for a long time to damage the skin around the wound can be solved.

The utility model discloses a pressure injury prevention device for an abdominal cavity drainage tube joint, which is characterized by comprising a device main body, the device main body is rectangular cotton cloth, a sponge layer is sewn on the front side of the rectangular cotton cloth, and a magic tape hook surface is sewn on the lower side edge of the rectangular cotton cloth. Velcro rough surfaces matched with the Velcro hook surfaces are sewn on the back face of the rectangular cotton cloth. Elastic bandages are sewn at the left end and the right end of the back face of the rectangular cotton cloth, and hook faces or loop faces of hook-and-loop fasteners are sewn at the two ends of the elastic bandages respectively. The peritoneal drainage tube is simple in structure, the tube joint of the peritoneal drainage tube is well surrounded by the sponge, the pressure of the catheter connecting part and the flow limiting switch can be well relieved, and pressure damage in a short time is avoided; meanwhile, the elastic bandages and the hook-and-loop fasteners are designed at the two ends and used for fixing the two ends of the peritoneal drainage tube, the up-down movement range of the device is prevented from being too large, and the device can be suitable for peritoneal drainage tubes with different tube diameters.

The utility model discloses an intelligent quantitative drainage and tube falling early warning abdominal cavity drainage tube fixator which comprises a suction cup supporting arm fixing plate, a drainage tube connecting plate is fixedly arranged above the suction cup supporting arm fixing plate, and a suction cup supporting arm movable block is fixedly arranged on the side face of the suction cup supporting arm fixing plate. The side face of the suction cup supporting arm movable block is rotationally connected with a suction cup telescopic main supporting arm, the side face of the suction cup telescopic main supporting arm is rotationally connected with a suction cup telescopic auxiliary supporting arm, a suction cup butt-joint disc is fixedly arranged below the suction cup telescopic auxiliary supporting arm, and a silica gel suction cup is inserted below the suction cup butt-joint disc. The suction cup telescopic main support arm and the suction cup telescopic auxiliary support arm which are adjustable in angle and length are matched with the silica gel suction cup, so that flexible adjustment can be carried out according to the body type and the body position of a patient and the requirements of a drainage tube, and it is ensured that the fixator can be tightly and stably adsorbed to the abdomen of the patient; and the fixator can be kept stable under various body positions, so that the risk of falling of the drainage tube is reduced.

The utility model relates to a device for preventing hydrothorax and ascites from leaking, which effectively solves the problems that patients feel uncomfortable and the workload of medical staff is increased due to repeated seepage of puncture holes. Comprising an annular non-woven fabric, an anti-seepage ring is fixed to the inner side of the non-woven fabric, a circular water-absorbing dressing bag with a downward opening is fixed to the upper end of the anti-seepage ring, a polyester foam sleeve with a downward opening is fixed to the inner side of the water-absorbing dressing bag, the polyester foam sleeve is filled with an inverted-T-shaped cotton cushion, the large end of the cotton cushion is located in the anti-seepage ring, and the small end of the cotton cushion is located in the anti-seepage ring. A transparent shell located on the outer side of the water-absorbing dressing bag is fixed to the non-woven fabric, the upper end of the transparent shell is detachably connected with two elastic bands which are opposite left and right, and the free ends of the two elastic bands can be connected together. The drainage tube is ingenious in structure, enables the cotton pad to press the puncture hole, improves penetrating fluid absorption capacity, enables the puncture hole to be gradually shrunk or even closed, can reduce seepage of tube openings of drainage tubes of the chest cavity and the peritoneal cavity, reduces times of dressing change, and improves life quality of a patient.

The invention relates to an amylase detection method, in particular to a fluorescence detection method and application of amylase activity and a microfluidic detection device.The fluorescence detection method comprises the following steps that a to-be-detected sample is diluted through a buffer solution, the diluted sample and a reaction reagent are fully mixed for a reaction, and a reaction solution is obtained; carrying out fluorescence detection on the reacted mixed solution; calculating the amylase activity based on the measured fluorescence intensity data; the sample to be detected is a sample containing amylase; the reaction reagent comprises starch and a fluorescent probe; the fluorescence intensity data and the starch concentration are in a linear relationship. Compared with the prior art, the defect that a detection result cannot be obtained in real time in the prior art is overcome, and the scheme realizes rapid detection of the activity value of amylase in detected solutions such as blood, urine and peritoneal drainage liquid through a fluorescence detection technology.

The utility model relates to the field of medical instruments, in particular to an abdominal cavity drainage tube fixator. An abdominal cavity drainage tube fixator comprises a double-faced adhesive tape, a fixing disc, a hook-and-loop fastener, rotating discs, limiting blocks, a connecting base and the like, the hook-and-loop fastener is connected to the bottom of the fixing disc, the double-faced adhesive tape adheres to the bottom of the hook-and-loop fastener, the three rotating discs are rotatably connected to the fixing disc in the circumferential direction at equal intervals, and the connecting base is installed at the tops of the rotating discs. Two limiting blocks which can get close to each other and get away from each other are connected to the connecting base in a sliding mode through sliding grooves. The double-faced adhesive tape and the limiting blocks are additionally arranged, the hook-and-loop fastener is connected to the abdomen of a patient through the double-faced adhesive tape, then the drainage tube is manually clamped between the two limiting blocks, and after the drainage tube completely enters the position between the two limiting blocks, barbs on the limiting blocks will clamp the drainage tube, so that the drainage tube cannot be pulled; therefore, the wound of the patient is not easily pressed, the pain of the patient is avoided, and the treatment effect of peritoneal drainage is guaranteed.

The invention discloses an abdominal drainage negative pressure adsorption device with a detection function, which comprises a cross beam frame, limiting baffle plates, a clamping structure, a transverse moving structure, a bearing bracket, a drainage structure, a waste liquid collecting structure and a wear-resistant pad, and is characterized in that the limiting baffle plates are fixedly mounted in the centers of the end surfaces of the two sides of the cross beam frame through welding; a sliding groove is formed in the center of the end face of one side of the cross beam frame, a wear-resisting pad is installed on the inner wall of the sliding groove in an attached mode, and a transverse moving structure is arranged on the outer side of the sliding groove. The peritoneal drainage negative pressure adsorption device with the detection function is simple in structure and convenient to disassemble and assemble; during use, the drainage bag can be well installed and protected, fixing, dismounting, mounting and replacing are convenient, and the problem that a drainage tube falls off due to the fact that the drainage bag is collided is effectively solved; meanwhile, the drainage bag filled with waste liquid can be well protected, and the problem of waste liquid leakage caused by damage of the drainage bag is effectively avoided.