126 results about "Thoracic cavity drainage" patented technology

The thoracocentesis tube capable of monitoring the chest pressure in real time comprises a main body assembly, and the main body assembly comprises a chest drainage tube, a medicine conveying hole, a medicine conveying tube, a three-way connector and an anti-blocking hole. The medicine conveying tube, the chest pressure detection connector, the medicine feeding connector and the like are integrated on the chest drainage tube, so that medical staff can monitor the pressure and the blood oxygen concentration in the chest in real time while conducting closed drainage treatment on the chest, medicine is directly and accurately fed into the chest through the medicine feeding connector when necessary, extra operation and equipment are not needed, and the operation is convenient. Convenience and efficiency of clinical treatment are greatly improved, pain and infection risks of patients are reduced, and rapid recovery of the patients is facilitated; the pressure change and the blood oxygen concentration change in the thoracic cavity are sensed in real time through the detection equipment, continuous and dynamic monitoring of the pressure and the blood oxygen concentration in the thoracic cavity in the whole drainage process is achieved, instant and accurate pressure data are provided for medical staff, and the medical staff can find the abnormal change of the pressure in the thoracic cavity in time.

The invention belongs to the technical field of chest drainage auxiliary equipment, and discloses a fixing device for preventing a chest drainage tube from falling off after a thoracoscope operation, the fixing device comprises a fixing seat, a winding center shaft is arranged in the fixing seat, an adhesive tape is wound outside the winding center shaft, and the free end of the adhesive tape penetrates through the fixing seat and extends to the outer side. When a user has a large amount of sweat to cause viscosity failure of the adhesive tape, the clamping assembly is unscrewed, the adhesive tape body at the front end is torn off through the separation notch, the adhesive tape body at the front end is discarded, and a new adhesive tape body continues to be pulled outwards, so that pasting treatment after quick replacement can be carried out, the whole fixing device connected to the outer side of the drainage tube does not need to be replaced, and operation is convenient. The practical switching operation of a new adhesive tape body is simple, the quick replacement treatment can be realized in the skin surface pasting and fixing period aiming at obese people easy to sweat and the condition that frequent replacement is needed, the whole fixing device does not need to be discarded, and the use effect is good.

The invention relates to the technical field of medical instruments, and discloses a cardiothoracic surgery anti-blocking nursing drainage device which comprises a thoracic closed drainage bottle body, a liquid collection cavity, a water seal cavity and a negative pressure adjusting cavity, the liquid collection cavity, the water seal cavity and the negative pressure adjusting cavity are arranged in the thoracic closed drainage bottle body, and a first communication opening is formed in the top of the interior of the liquid collection cavity. The hydrops drained from the chest is collected through the hydrops collecting cavity, when the hydrops in the hydrops collecting cavity accumulates too much hydrops, the hydrops are in contact with the water level sensor, and after the water level sensor senses that the water level of the hydrops rises, the water level sensor transmits a signal to the first electric telescopic rod, so that the output end of the first electric telescopic rod shrinks to drive the first sealing plate to move upwards; meanwhile, the sealing strip is in contact with the edge of the second communication opening, so that the sealing performance of the second communication opening is better; the situation that when a large amount of effusion is accumulated in the effusion collecting cavity and a worker does not treat the effusion in time, the effusion easily overflows into the water seal cavity through the second communication opening, and consequently the pressure in the chest is increased, and breathing is difficult is avoided.

The chest drainage device comprises a collecting container and a main machine, the collecting container comprises a drainage tube, a machine box and a connecting piece, the machine box and the connecting piece are connected, the machine box is provided with a hydrops cavity communicated with the drainage tube, and the connecting piece is provided with a pump air exhaust channel communicated with the hydrops cavity; the main machine comprises a negative pressure source and a one-way valve, the negative pressure source is communicated with the pump air suction channel through a first pipeline, the negative pressure source can suck to enable the liquid accumulation cavity to be in negative pressure, and the one-way valve is arranged on the first pipeline and used for enabling air in the first pipeline to flow to the negative pressure source in a one-way mode. When the main machine is powered off, the negative pressure source loses power, at the moment, the one-way valve enables the pump exhaust channel to be closed and not to be communicated with the outside, even if the chest drainage device forms a closed container, the chest drainage device can continue drainage in a gravity type drainage mode, and residual liquid and residual gas in the chest of a patient can still flow into the hydrops cavity through the drainage tube.

The invention discloses an intelligent chest drainage and dynamic monitoring system, which belongs to the field of surgical operations and comprises a drainage tube, a pressure monitoring module, a drainage liquid character monitoring module, a drainage quantity monitoring module, a parameter setting module, a data processing and analyzing module, a display early warning module and a remote communication module. Real-time and accurate monitoring of parameters such as pressure in the thoracic cavity, drainage amount and drainage liquid characters is achieved, postoperative bleeding, air leakage, infection and other complication risks can be found and early warned in time according to monitoring data, the structural design of the drainage tube is optimized, the flexibility and anti-blocking performance of the drainage tube are improved so that the drainage tube can adapt to different operation scenes and patient requirements, and the operation efficiency is improved. A comprehensive and scientific decision basis is provided for clinicians, so that the safety, the effectiveness and the intelligent level of chest drainage treatment are improved.

An anti-accidental-touch chest drainage tube fixing device, which effectively solves the problems of existing chest drainage tubes, including an insufficient shock absorption and buffering effect, the lack of a mechanism for isolating external drainage-tube shaking, inconvenience for patients to get out of bed due to the absence of a temporary opening-closing and sealing mechanism, an insufficient anti-accidental-pulling mechanism, inadequate buffering capacity, and the lack of a self-sealing mechanism. The technical solution provided herein is an anti-accidental-touch chest drainage tube fixing device, comprising a self-adhesive patch (1) applied to a wound, and a drainage tube (2), wherein a rectangular box (3) is provided above the self-adhesive patch (1), a winding roller (4) is provided in the rectangular box (3), the ends of the winding roller (4) are articulated to side plates of the rectangular box (3) by means of torsion springs, and a cylindrical block (5) is provided in the middle of the winding roller (4); two transmission rollers (6) are provided on the lower side of the winding roller (4); two longitudinal shafts (7) are provided in the cavity of the rectangular box (3); a double-ended lead screw (8) is provided in the cavity of the rectangular box (3), and two sliders (9) are screwed on the double-ended lead screw (8); a gear (10) is provided at the right end of the double-ended lead screw (8), a swing rod (11) is provided on the self-adhesive patch (1), and a ring gear (12) is provided at the upper end of the swing rod (11); and an arc-shaped rack (13) with a downward opening is provided on the self-adhesive patch (1), and when the swing rod (11) drives the rectangular box (3) to swing back and forth, the gear (10) can rotate under the action of the rack (13).

The invention provides a thoracic cavity leakage flow monitoring method and device, electronic equipment and a storage medium, the method is suitable for thoracic cavity drainage equipment, the thoracic cavity drainage equipment comprises a pressure sensor and a pressure negative pressure pump, the pressure negative pressure pump is connected with postoperative thoracic cavity leakage gas, and when the thoracic cavity leakage flow is monitored, the pressure sensor is connected with the pressure negative pressure pump. The method comprises the following steps: firstly, acquiring the current pressure of thoracic cavity leakage gas through a pressure sensor, acquiring the current duty ratio corresponding to the current power of a driving pressure negative pressure pump, then inquiring a leakage flow matrix according to the current pressure and the current duty ratio, judging whether any reference pressure is equal to the current pressure, and if yes, executing the next step; if yes, the current air leakage flow of the thoracic cavity is directly searched for from the matrix, and if not, the reference air leakage flow corresponding to the adjacent pressure point and the air leakage flow-pressure slope corresponding to the current duty ratio are combined to conduct complement operation to obtain the current air leakage flow of the thoracic cavity. According to the invention, the current air leakage flow of the thoracic cavity can be accurately calculated and monitored in real time.

The utility model discloses a novel transfer wheel stretcher capable of placing a chest drainage device, which comprises a wheel stretcher, and a storage device for placing the drainage device is arranged on the wheel stretcher. The storage device capable of containing the drainage device is arranged on the side edge of the wheel stretcher, so that the drainage device can be protected, the risk that the chest drainage device is impacted or damaged during transferring is reduced, the chest drainage device is protected, and the effect of further protecting a patient is achieved. By means of the device, the technical problems that in the prior art, a drainage device placing position is not arranged on a stretcher, a drainage device is prone to falling off or being damaged in the patient transferring process, and great potential safety hazards exist on a patient are solved.

The utility model discloses a detachable thoracic duct drainage tube fixing device with a colorimetric function, which comprises an elastic fixing band fixedly wound on the abdomen of a patient. Chest drainage tube fixing structures used for fixing chest drainage tubes are symmetrically arranged on the two sides of the front face of the elastic fixing band, and a colorimetric system used for monitoring the color of chest fluid flowing out of the chest of a patient in real time is arranged on each chest drainage tube fixing structure. The thoracic cavity drainage tube fixing device is reasonable in overall design, simple in structure and convenient to operate, the thoracic cavity drainage tube inserted into the thoracic cavity of a patient can be effectively fixed through effective combination of the elastic fixing band and the thoracic cavity drainage tube fixing structure, the risk that the thoracic cavity drainage tube slips out of the thoracic cavity of the patient can be effectively reduced, fixing through adhesive tape is not needed, and use is convenient. The anaphylactic reaction of the patient is avoided, the discomfort of the patient is reduced, and the working difficulty of medical staff is reduced.

The application provides a thoracic cavity data monitoring method and device, electronic equipment and a storage medium. The method sets an alternating drainage mode and a breathing mode in a thoracic cavity drainage device, and adds a breathing component. The original drainage component performs drainage in the drainage mode and suspends drainage in the breathing mode. The added breathing component performs breathing pleural pressure monitoring in the breathing mode. The application determines that the work needs to be stopped when the continuous drainage flow data, the continuous air leakage flow data and the continuous breathing pleural pressure data all meet the reference index. The determination is based on the continuous breathing pleural pressure data rather than discrete data, so that secondary drainage is not needed, that is, the application is more accurate in determining the stopping time of the thoracic cavity drainage device.

The utility model relates to the technical field of medical instruments, and provides a chest drainage tube which comprises a first drainage tube and a second drainage tube which are in butt joint, a connecting structure is arranged between the first drainage tube and the second drainage tube, and the first drainage tube and the second drainage tube are connected through the connecting structure. The first drainage pipeline comprises a closure cavity communicated with the first drainage pipeline, a ball body rotatably arranged on the closure cavity and a control rod used for controlling the ball body to rotate, the ball body is provided with a circulation channel, and the ball body is controlled by the control rod to rotate, so that the circulation channel is communicated with the first drainage pipeline, and the first drainage pipeline is communicated with the second drainage pipeline. The thoracic cavity drainage tube and the thoracic cavity closed drainage bottle are connected through the elastic limiting connector and the clamping groove, the phenomenon of slipping between the thoracic cavity drainage tube and the thoracic cavity closed drainage bottle is avoided, and the connection stability is enhanced.

The invention relates to the technical field of medical treatment, in particular to a closed thoracic drainage device. The drainage device comprises a supporting shell, a rotating outer ring hinged to the supporting shell, and a drainage liquid containing assembly arranged in the supporting shell and hinged to the rotating outer ring. The invention aims to provide a thoracic cavity closed drainage device which solves the problems that in the moving process and the using process of an existing thoracic cavity drainage device, the situation that liquid leaks easily occurs, the work of medical staff is increased, and the work safety of the medical staff is reduced.

The invention belongs to the field of medical equipment, and discloses a portable anti-backflow and anti-toppling chest drainage device which comprises a water seal bottle. The water-sealed bottle is in a hollow shell shape, a funnel is fixed at the upper end of the water-sealed bottle, the lower end of the funnel extends into the water-sealed bottle and is communicated and connected with the water-sealed bottle, and the water-sealed bottle is filled with water; a hose made of a light material is arranged in the water-sealed bottle, one end of the hose is fixedly connected with the lower end of a funnel, the funnel is communicated with the inside of the hose, and the contact part of the funnel and the hose is well sealed; the other end of the hose is connected with a buoyancy ball, the buoyancy ball is provided with a first round through hole which is vertically placed, the central axis of the first round through hole penetrates through the center of the buoyancy ball, the end, away from the funnel, of the hose is in through connection with the lower end of the first round through hole, and the buoyancy ball always floats on the water surface in the water-sealed bottle; gas and liquid in the thoracic cavity can be drained at the same time, and through the arrangement of the hose and the buoyancy ball, the problem that the liquid flows out of the air outlet part on the water-sealed bottle when the water-sealed bottle topples over can be effectively solved.

The invention relates to the technical field of medical instruments, in particular to a closed chest drainage tube which comprises a first tube and a second tube, an elastic first air bag is arranged on the outer wall of the first tube, the first air bag is communicated with a first inflation tube, an adjusting air bag is further arranged on the first tube, and the adjusting air bag is communicated with the first air bag; when the second pipeline moves in the direction away from the first pipeline, the extrusion degree of the adjusting air bag by the first pipeline and the second pipeline can be increased, and air in the adjusting air bag is transferred into the first air bag; a blocking air bag is further arranged in the first pipeline and communicates with a control piece, and the control piece is used for adjusting the gas amount in the blocking air bag. When the closed thoracic cavity drainage tube is arranged on the body of a patient and used for drainage, the first air bag extends into the thoracic cavity of the patient, and the adjusting air bag is in an underfilled state. According to the closed thoracic cavity drainage tube, the drainage smoothness of the drainage tube can be improved, and the probability of unplanned tube drawing of the drainage tube is reduced.

The invention provides a thoracic cavity pipeline fixing device which comprises two oppositely-arranged application pieces, a skin sticking layer is arranged on one side of each application piece, semicircular through holes are formed in the middles of the opposite sides of the two application pieces, and a semicircular fixing pipe is arranged at the position, corresponding to the semicircular through holes, of each application piece in the direction away from the skin sticking layer. The two semicircular fixing pipes can form a complete fixing sleeve, external threads are arranged on the outer side of the fixing sleeve, the fixing sleeve is in threaded connection with a threaded clamping sleeve, and each semicircular fixing pipe is provided with a plurality of movable grooves. An elastic threaded clamping strip in threaded connection with the threaded clamping sleeve is arranged on the side, away from the corresponding application piece, of each movable groove, and the end, facing the application piece, of each elastic threaded clamping strip inclines outwards. The drainage tube is directly clamped and fixed at a wound, loosening and pulling caused by shaking of the drainage tube are not likely to happen, and the clinical requirement for long-term, stable and safe fixing of the chest drainage catheter is met.

This invention belongs to the field of medical device technology, specifically relating to a fluid self-excited vibration anti-blockage chest drainage tube and an anti-blockage drainage method. It includes a drainage tube body made of medical flexible material; 3-5 chamfered drainage holes are evenly distributed circumferentially at the distal end of the drainage tube body, with rounded edges at the holes having a radius of 0.3-0.5 mm; a threaded connector for quick connection with an external drainage device is fixedly provided at the proximal end of the drainage tube body. The core of this invention, the turbulence section and the variable cross-section oscillation section, are independently arranged along the tube axis, completely avoiding the low vibration efficiency and easy jamming problems caused by the simultaneous placement of the vibrating component and the variable cross-section structure in the prior art. The self-excited vibration generating cavity formed relies solely on the fluid kinetic energy of the pleural effusion or gas to drive the vibration, requiring no external power, significantly reducing equipment complexity and infection risk.

The utility model relates to the technical field of chest drainage, and discloses a connecting device of a microcatheter and a drainage tube for chest drainage, which comprises the microcatheter and the drainage tube, a connecting mechanism is arranged on the surfaces of the microcatheter and the drainage tube, and a clamping mechanism is arranged on the surface of the drainage tube; the connecting mechanism comprises a sealing assembly and a connecting assembly; the sealing assembly is located between the connecting assemblies. The connecting assembly comprises a connecting plate, the top end face of the drainage tube fixedly penetrates through the bottom face of the connecting plate and extends to the position above the connecting plate, and a sliding block is arranged above the connecting plate. Through a connecting mechanism and a connecting assembly, a clamp is clamped in a clamping groove, so that a sliding block is installed in a sliding groove, connection between the drainage tube and the micro catheter is achieved, the sealing effect between a connecting plate and the micro catheter is improved through a sealing ring of a sealing assembly, and therefore the sealing performance between the micro catheter and the drainage tube is improved; liquid is prevented from leaking from the joint of the drainage tube and the micro-catheter, and the connecting effect of the micro-catheter for chest drainage and the drainage tube is improved.

The piston type device comprises an upper drainage tube connected with a patient, a lower drainage tube connected with an external drainage apparatus and a piston type device, the upper drainage tube and the lower drainage tube are respectively communicated with the piston device, and the piston device controls the circulation state between the upper drainage tube and the lower drainage tube. The piston device comprises a sleeve and a piston assembly, the piston assembly is arranged in the sleeve and moves back and forth in the sleeve to control the circulation state of the upper drainage tube and the lower drainage tube, a vent hole is formed in the front end of the sleeve, and a detachable plug used for blocking the vent hole to prevent a patient from touching the piston assembly by mistake to change the circulation state of the drainage tubes is arranged at the vent hole. The plug is fixed on the sleeve; the thoracic cavity drainage tube clamping device has the advantages that on the premise that air tightness is guaranteed, the thoracic cavity drainage tube can be clamped and closed, the drainage tube cannot be damaged under multiple times of operation, the thoracic cavity drainage tube clamping device is detachable, the whole drainage tube does not need to be replaced when part of the drainage tube is damaged, and consumption of equipment is reduced.

The invention provides a precise chest drainage bag. The precise chest drainage bag comprises a drainage connecting tube, a hard precise metering drainage box and a liquid gathering drainage bag which are communicated in sequence, the upper parts of adjacent side walls of the precise metering drainage box and the liquid gathering drainage bag are detachably fixed; a box liquid outlet is formed in the lower end of the precise metering drainage box, a bag liquid inlet is formed in the upper side of the liquid gathering drainage bag, the bag liquid inlet is lower than the outlet level of the drainage connecting pipe, and a connecting hose is arranged to communicate the box liquid outlet with the bag liquid inlet; a water seal exhaust pipe and an elastic bag for observing negative pressure change are arranged on the upper side wall of the precise metering drainage box; the thoracic cavity drainage device can observe and exhaust thoracic cavity gas during thoracic cavity drainage, observes the unobstructed condition of the drainage tube, accurately judges the instant liquid drainage speed and total drainage amount, is light in weight, facilitates early-stage out-of-bed activities, facilitates rapid rehabilitation, and is simple in structure, low in cost, convenient to use and easy to popularize.

The invention relates to the technical field of medical instruments, in particular to a chest drainage device which comprises a drainage bottle, a drainage tube and a negative pressure mechanism, one end of the drainage tube is inserted into the drainage bottle, the other end of the drainage tube is inserted into the chest of a patient, and the negative pressure mechanism is communicated with an inner cavity of the drainage bottle. The negative pressure mechanism is driven by autonomous respiration of a patient to generate negative pressure suction force on the drainage bottle. According to the scheme, the physiological activity of the human body is converted into negative pressure power through ingenious mechanical conversion, negative pressure equipment, power supply and negative pressure generation through manual pressing of special personnel are not needed, the device can be widely applied to assisting in chest drainage in special environments such as emergency rescue and disasters lacking medical resources, and medical and human resource pressure is reduced.

The invention belongs to the technical field of thoracic cavity drainage equipment, and particularly discloses a thoracic cavity drainage device for cardiac surgery, which comprises a flow dividing tee joint, a liquid dividing valve core, a water seal assembly, a drainage bottle and a power assembly, the flow dividing tee joint is provided with a cavity, and the flow dividing tee joint is provided with a liquid inlet interface, a first liquid outlet interface and a second liquid outlet interface which are respectively communicated with the cavity; the liquid inlet connector is used for being connected with a drainage tube; the liquid separation valve core is rotationally arranged in the cavity; the water seal assembly is connected with the liquid inlet connector and used for draining accumulated gas. The number of the drainage bottles is two, the two drainage bottles are connected with the first liquid outlet connector and the second liquid outlet connector in a one-to-one correspondence mode, and the drainage bottles are used for draining accumulated liquid. The power assembly is connected with the liquid distribution valve element and used for providing power for the liquid distribution valve element. The two drainage paths are established to cooperate with the two drainage bottles for drainage, the whole drainage process is not interrupted, uncomfortable symptoms of a patient caused by drainage interruption are effectively avoided, and the drainage treatment experience of the patient is effectively improved.

The multi-cavity chest drainage bottle comprises a base and a sealing pinching clamp, a plurality of rubber supporting feet are fixedly installed at the bottom of the base, supporting mechanisms are hinged to the four corners of the base, a hydrops cavity box is fixedly installed at the top of the base, a water seal cavity box is fixedly installed at the top of the base, and a water outlet is formed in the top of the water seal cavity box. One side of the top of the water seal cavity box is communicated with a connecting pipe; when disassembly and maintenance are needed, the buckles are disassembled from the outer sides of the limiting rings, the first box cover, the second box cover and the third box cover are disassembled from the outer sides of the liquid accumulation cavity box, the water seal cavity box and the pressure adjusting cavity box, the bottom structures are taken down together, and the structures are cleaned and disinfected. The cleaning device can be thoroughly cleaned, a reusable product cannot cause cross infection, and a disposable product is convenient to clean, so that a cavity is not easy to block in actual use, the safety is improved, and the use and the operation are convenient.

The utility model belongs to the technical field of medical auxiliary equipment, and particularly relates to a thoracic surgery postoperative chest drainage fixing device which comprises a shell, and the back face of the shell is connected with a surgery binding belt; the sliding grooves are formed in the side face of the shell in an annular distribution mode, clamping blocks are connected into the sliding grooves in a sliding mode, the clamping blocks are hollow, and through holes are evenly formed in the arc-shaped ends of the clamping blocks; the adjusting mechanism is arranged on the shell, and when the adjusting mechanism operates, the multiple clamping blocks are driven to be close to or away from each other; the negative pressure mechanism is connected to the clamping block; the guide rods are annularly distributed and connected to the outer surface of the shell; and the limiting mechanism is arranged at the guide rod. The drainage tube can be effectively prevented from falling off, the risk of damage to the drainage tube material is reduced, smooth discharge of gas and blood in the thoracic cavity is guaranteed, postoperative infection can be prevented, and wound healing is promoted.

The utility model innovatively provides a kind of chest drainage bottle, including chest drainage bottle, there is storage cavity and hardening cavity in chest drainage bottle, there is partition between storage cavity and hardening cavity, hardening agent is stored in hardening cavity, partition is detachably set in chest drainage bottle;Storage cavity and hardening cavity are set in chest drainage bottle, hardening agent is stored in hardening cavity, using hardening agent, the pleural effusion in storage cavity can be hardened, it is convenient to handle pleural effusion, it is convenient to realize the recovery treatment of pleural effusion;And using partition detachably set, it is convenient to realize that hardening agent is poured into storage cavity.

The utility model discloses a thoracocentesis simulation training module, which belongs to the field of thoracocentesis training modules and comprises a trunk model and an inflation valve arranged on one side of the trunk model. The trunk model comprises a teaching window formed in the left chest cavity of the trunk model, an operation area arranged on the side, away from the teaching window, of the trunk model and used for cavity puncture training, and a drainage area formed in the side face of the trunk model. The thoracocentesis pad and the thoracocentesis wound pad are arranged on the operation area and the drainage area, the air bag and the water bag are fixedly arranged in the trunk model and located in the operation area and the drainage area, and the connecting pipe is fixedly installed on the air bag and the water bag. According to the thoracocentesis simulation training module, the simulation system is arranged, puncture and drainage positions are determined through the calibration assembly and the simulation system, and the efficiency of thoracocentesis simulation training is improved.

The utility model relates to the technical field of medical instruments, in particular to a chest drainage catheter capable of being bent and shaped, which comprises a drainage catheter, a medical proof fabric is arranged on the drainage catheter, the drainage catheter is adhered and fixed on the skin on the surface of the chest wall of a patient through the medical proof fabric, and an opening is arranged between two ribs inside the chest wall of the patient. One end of the drainage catheter is inserted into the thoracic cavity through the opening. According to the thoracic cavity drainage catheter capable of being bent and shaped, the shape of the drainage catheter is kept unchanged through shaping of the shaping strips, the drainage catheter can be shaped at a proper drainage position in an operation, and the drainage catheter in the chest cannot shift along with respiratory movement of the thoracic cavity through fixing of the fixing rope and the medical proof fabric; and the drainage catheter outside the chest can also be shaped to be more attached to the chest wall, so that the compression of the drainage catheter on the insertion opening is reduced, and meanwhile, the condition of unsmooth drainage caused by folding of the drainage catheter is prevented.

The invention discloses a chest drainage tube orifice adapter. The chest drainage tube orifice adapter comprises a handheld part, a first connector is arranged at one end of the handheld part; a plurality of first cavities and a plurality of second cavities are formed in the first connector; the first cavity and the second cavity are arranged in a staggered mode in the circumferential direction. The adjacent first cavity and second cavity are communicated through a third through hole; a first through hole is formed in the inner wall of the first connector; a piston is arranged in the second cavity; one side of the piston away from the handheld part is provided with a piston rod; the outer side of the first connector is sleeved with a sleeve. One end of the piston rod away from the piston is connected to the sleeve; a second through hole communicated with the second cavity is formed in one end, far away from the handheld part, of the first connector; and a fixing mechanism for fixing the sleeve is arranged on the first connector. Through cooperation of the sleeve, the piston, the piston rod, the first cavity, the second cavity and the like, negative pressure can be formed in the second cavity, so that the drainage tube is adsorbed in the first connector, and the connection stability of the drainage tube and the adapter can be improved.

The present application belongs to the technical field of drainage device, especially to a micro negative pressure chest drainage bottle and a micro negative pressure chest drainage device, which comprises a drainage tube body, an air permeable valve and a drainage bottle body, the drainage tube body and the air permeable valve are fixedly installed on one side of the top of the drainage bottle body, a base is fixedly arranged at the bottom of the drainage bottle body, and support legs for supporting the drainage bottle body are symmetrically arranged at the bottom of the base, in the drainage device, a fixing block is arranged on the drainage bottle, and a fixing assembly cooperable with the fixing block is additionally arranged, the fixing assembly is fixed on a bed of a patient through a screwing mode of a threaded column, and then the fixing block is fixed by pushing the drainage bottle, so that the risk that the drainage bottle is knocked down artificially is avoided, and the drainage bottle can be quickly separated from the fixing after being fixed through the cooperation of the fixing pin assembly and the spring on the fixing assembly, so that the drainage device is convenient and practical to use.

The chest drainage tube comprises a drainage tube body, a fixing piece and an outer air bag, the drainage tube body is arranged in the middle of the fixing piece in a penetrating mode, a drainage tube chest end is arranged at the right end of the drainage tube body, a first drainage hole is formed in the side wall of the drainage tube chest end, and a second drainage hole is formed in the side wall of the drainage tube chest end. The outer air bag is arranged on the outer side wall of the drainage tube body and corresponds to the position between the fixing piece and the thoracic cavity end of the drainage tube, a bonding layer is arranged at the right end of the fixing piece, a first branch tube is arranged at the left end of the drainage tube, a first drainage connector is arranged at the left end of the first branch tube, a first magnetic sheet is arranged at the left end of the fixing piece, and a second magnetic sheet is arranged at the right end of the first branch tube. The first drainage connector is provided with a first iron sheet matched with the first magnetic sheet. According to the chest drainage tube not prone to slipping, the first branch tube can be attracted to the fixing piece through the action of the first iron sheet and the first magnetic sheet, the first branch tube is prevented from falling off, the stability of the chest drainage tube is improved, and the chest drainage tube is more convenient and reliable to use.

The utility model belongs to the technical field of medical instruments, and particularly relates to a chest drainage tube fixator which comprises two clamping assemblies, the two clamping assemblies can be spliced front and back to clamp and fix a drainage tube, and each clamping assembly comprises a clamping piece and a binding piece; the lower end of the clamping piece is provided with a pressing piece extending outwards, a splicing mask of the clamping piece is provided with a containing groove for containing the drainage tube, and the upper end of the clamping piece is provided with an extrusion part stretching into the containing groove to be used for extruding and fixing the drainage tube. The binding piece is of a flexible structure, one end of the binding piece is connected with the side, away from the containing groove, of the clamping piece, the other end of the binding piece is a free end, and one side face of the binding piece is a bonding face. According to the fixator, the stability and reliability of drainage tube fixing are improved, the risks of tube disengagement and displacement are reduced, the difficulty and workload of medical care are greatly reduced, the hidden danger of infection caused by inconvenient cleaning is reduced, meanwhile, the use experience of a patient is improved, and wide application and popularization in clinical practice are facilitated.