76 results about "Thoracic cavity drainage" patented technology

An apparatus for the introduction of a drainage tube into a patient's chest cavity, comprising a housing having a distal end, a proximal end, and a longitudinal axis; a scalpel operable in a protruding position between a closed position in which the cutting portions are adjacent one another and adapted to make an incision in the dermis of the patient, and an open position in which the cutting portions are spaced from one another forming a scalpel passage along the longitudinal axis between the cutting portions. The apparatus further comprising a trocar comprising first and second trocar portions, each extending along the length of the trocar; the trocar being operable between an closed position wherein the first and second trocar portions are substantially adjacent one another, and a closed position in which the first and second trocar portions are spaced from one another and adapted for the introduction of the drainage tube therethrough.

A chest drainage system includes a collection device and a fluid pathway configured to extend from the collection device to a patient. A pressure source is configured to selectively provide sub-atmospheric pressure to the fluid pathway. The system is configured to introduce sub-atmospheric pressure from the pressure source at a substantially constant target pressure and at a dynamic pressure that varies from the target pressure. A method is also disclosed for draining a pleural cavity of a patient. The method involves applying dynamic pressure to the pleural cavity of a patient by changing sub-atmospheric pressure applied to the patient such that the patient's pleura moves without any or limited patient activity, thus facilitating removal of loculated fluid from the pleural cavity. The method may involve the use of the chest drain system.

An air leak detection device is applied to a thoracic cavity drainage system which, by using negative pressure generated by a vacuum source, aspirates gas in the thoracic cavity of a patient via a water seal chamber in which liquid is received. The pressure between the vacuum source and the water seal chamber is measured by a pressure sensor, and the occurrence of air bubbles created in the water seal chamber is detected on the basis of fluctuations of this pressure.

A valve for use in a chest drainage device is disclosed, the chest drainage device is adapted to receive liquid and air from a patient's chest cavity via an inlet and to permit air to escape through an outlet for air to leave the chest drain, the inlet and outlet define a flow path and the valve is disposed along the flow path. The valve has a valve element that separates an upstream chamber from a downstream chamber and has a first and second sealing surface that are opposed so that when the first and second sealing surfaces are in contact, air pressure below a predetermined value will be prevented from moving from the downstream location to the upstream location. The valve element allows air to move from the upstream chamber to the downstream chamber at a low pressure differential. A pressure relief actuating element is disposed in the valve and located adjacent the valve element such that when the predetermined sub-atmospheric pressure limit between the upstream side and the downstream side is reached or exceeded, the valve element deforms and contacts the pressure relief actuating element such that the post causes the first and second sealing surfaces to partially separate and reduce the pressure differential.

A thorax drainage device for aspirating fluids from a pleural cavity of a patient using underpressure has a fluid collection container for collecting the aspirated fluids and a drainage tube for connecting the fluid collection container to the pleural cavity of the patient. The fluid collection container is connectable to a vacuum source, in order to generate an underpressure in the fluid collection container. The thorax drainage device has an adjustable mechanism for attenuating pressure differences during the respiration of the patient, this mechanism being adjustable independently of a suction capacity of the vacuum source. This device permits a gradual expansion of the lung without risk of injury and thus prepares the lung for the completion of the drainage.

A single use pleural drainage set for medical use, which allows drainage by all physicians of air (pneumothorax), blood (hemothorax) and all other liquids (hydrothorax) accumulated abnormally in the thoracic cavity (pleural space (I)).

The invention discloses a digital thoracic cavity drainage device. The digital thoracic cavity drainage device comprises a main machine, a drainage bottle and a drainage tube, detection openings are formed in one side of the drainage tube and one side, fixedly communicating with the main machine, of the drainage tube, the two sets of detection openings fixedly communicate, drainage openings are formed in one side of the drainage tube and one side of the drainage bottle, and the two sets of drainage openings fixedly communicate. A liquid level detection module is arranged in the main machine, a bacteria filter is arranged in an extraction opening in one side of the drainage bottle, and the main machine comprises a controller, a display screen, keys, a power source, an air pump, a first pressure sensor, a second pressure sensor, an electromagnetic valve, an SD card, a storage chip and a buzzer. The first pressure sensor and the second pressure sensor are both arranged in the main machine, so that interface connection of the device is convenient for quick disassembly, pleural effusion is drained to the drainage bottle through the drainage openings, pleural air pressure is guided to the main machine through the detection openings for monitoring, and effusion backflow is avoided.

The invention discloses a medical cardiothoracic surgery nursing thorax pipeline fixing support, relates to the field of medical instruments and aims to solve the problem of secondary injury caused bypain aggravation of a patient due to the fact that existing thorax drainage pipelines are prone to tearing a wound of the patient because of reasons like gravity. The support comprises a base, a vertical supporting pipe is fixedly mounted on the base and connected with a supporting screw through an internal thread, a through hole is formed in the upper portion of the supporting screw, the top endof the supporting screw is rotatably connected with a guide rod, a C-shaped adjusting rod is fixedly mounted on the lower side wall of the left end of the guide rod, a connection passage is arrangedon the undersurface of the through hole, a connection rod is slidably connected in the connection passage, a supporting block is mounted at the upper end of the connection rod, and a ratchet stoppingdevice is mounted on the upper surface of the supporting block. When the support is in use, height and angle of the guide rod can be adjusted according to actual using needs; the support is convenientand quick in operation and safe to use, and discomfort of the patient is relieved.

The invention relates to a thoracic closed drainage three-way connecting tube, which comprises a three-way tube and a screw-in one-way tube, wherein the three-way tube comprises a drainage tube and a valve tube which are perpendicular to each other; two ends of the drainage tube are respectively connected with a thoracic cavity and a chest bottle; the screw-in one-way tube is in threaded connection in the valve tube; one end of the screw-in one-way tube extending out of the valve tube is provided with a positive pressure injection cap; and a medicine guide tube is arranged in the screw-in one-way tube and is communicated with a medicine injection port of the positive pressure injection cap and a medicine outlet on the side wall of the bottom of the screw-in one-way tube. The thoracic closed drainage three-way connecting tube is simple in structure, can conveniently and quickly control the drainage of a thoracic cavity drainage tube and thoracic infusion treatment, eliminates potential safety hazards to the patient and avoids unnecessary injury.

A valve for use in a chest drainage device is disclosed, the chest drainage device is adapted to receive liquid and air from a patient's chest cavity via an inlet and to permit air to escape through an outlet for air to leave the chest drain, the inlet and outlet define a flow path and the valve is disposed along the flow path. The valve has a valve element that separates an upstream chamber from a downstream chamber and has a first and second sealing surface that are opposed so that when the first and second sealing surfaces are in contact, air pressure below a predetermined value will be prevented from moving from the downstream location to the upstream location. The valve element allows air to move from the upstream chamber to the downstream chamber at a low pressure differential. A pressure relief actuating element is disposed in the valve and located adjacent the valve element such that when the predetermined sub-atmospheric pressure limit between the upstream side and the downstream side is reached or exceeded, the valve element deforms and contacts the pressure relief actuating element such that the post causes the first and second sealing surfaces to partially separate and reduce the pressure differential.

The invention discloses an easily extruded and washable multifunctional thoracic cavity drainage tube, which comprises a main drainage tube (1) and an auxiliary drainage tube (2), and is characterized in that the middle lower part of the main drainage tube (1) of the easily extruded and washable multifunctional thoracic cavity drainage tube is provided with the auxiliary drainage tube (2), and the tail end of the main drainage tube (1) is provided with an extruding saccule (6); and the middle of the auxiliary drainage tube (2) is provided with an on / off switch (3), and the tail end of the auxiliary drainage tube (2) is provided with a syringe connector (4) and a sealed plunger (5). The easily extruded and washable multifunctional thoracic cavity drainage tube has the advantages that the extruding saccule of the main drainage tube increases the extruding volume and improves the extruding efficiency; the auxiliary drainage tube can be freely opened, is convenient to operate and can be used for washing sterilization, obstruent removal and sampling test; and the easily extruded and washable multifunctional thoracic cavity drainage tube has a simple structure, is convenient to operate, is safe and reliable, and reduces the labor amount of medical staff when simultaneously relieving pain of patients.

The invention discloses a disposable thoracic drainage tube fixing device. The shape of the fixing device is similar to a trumpet, and the fixing device comprises a patch (1) at the bottom and a fixing tube (2) located at the center of the patch; one side of the patch and the fixing tube is provided with a gap (3) penetrating through the patch and the fixing tube; the bottom face of the patch and the inner hole face of the fixing tube are each provided with an adhesive (4), and the surface of each adhesive is provided with a protecting film (5). According to the disposable thoracic drainage tube fixing device, a traditional fixing mode achieved through adhesive tape and gauze is changed, and the bad consequences that due to the fact that a thoracic drainage tube is folded in the turning and moving process of a patient or in the nursing turning process or a v-shaped skin hillock is formed due to pulling on the drainage tube, the drainage tube exits from the thoracic cavity to be located under the skin and even partially or completely falls off can be avoided; the patient who has no operation condition and needs to carry the closed thoracic drainage tube for a long term is more comfortable. The disposable thoracic drainage tube fixing device is simple in structure, convenient to install, capable of greatly improving the working efficiency of workers and decreasing the dressing change frequency, low in cost and capable of relieving the economical burden of the patient.

The invention discloses a flow-controllable thoracic drainage tube which comprises a control tube. The left end of the control tube is communicated with an outlet tube, and the right end of the control tube is communicated with an inlet tube. A box is fixedly connected to the top of the control tube, the top of the box is penetratingly provided with a bearing, a threaded rod is penetratingly arranged in the bearing, and a transverse rod is fixedly connected to the top of the threaded rod. By joint use of the bearing, the threaded rod, the transverse rod, a threaded sleeve, a connecting rod, amoving rod, a movable plate and a moving plate, the problem of lack of a flow control function of an existing thoracic drainage tube is solved, the flow-controllable thoracic drainage tube has the advantage of flow controllability, liquid outflow volume can be controlled in use of the flow-controllable thoracic drainage tube, and accordingly difficulty in use is lowered for medical workers, workload of the medical workers is relieved, convenience in use is provided for the medical workers, and the flow-controllable thoracic drainage tube is worthy of popularization.

The invention provides negative pressure suction equipment. The negative pressure suction equipment comprises a collection container, a drainage catheter, a negative pressure source, a negative pressure suction pipeline, a pressure detection pipeline and a control unit; wherein one end of the negative pressure suction pipeline is communicated with the liquid collecting cavity of the collecting container, the other end of the negative pressure suction pipeline is communicated with the negative pressure source, so that when the negative pressure suction equipment is powered up, the negative pressure source provides negative pressure so that liquid and / or gas in the chest of the human body can be drained into the liquid collecting cavity through the drainage catheter, and the air in the liquid collecting cavity is pumped to the outside through the negative pressure pipeline to realize the pumping and drainage operation of the pleural effusion of the human body. Besides, a pressure detection unit is arranged in the pressure detection pipeline and used for detecting the gas pressure in the collection container, and the control unit receives a detection result fed back by the pressure detection unit, compares the detection result with preset information and adjusts a negative pressure value output by the negative pressure source according to a comparison result, so that the gas pressure in the liquid collection cavity is kept stable; therefore, stable negative pressure is ensured in the chest drainage process of a patient, and the drainage effect is better.

The invention relates to the technical field of transfer beds, in particular to an operation patient transfer bed, which comprises a bed body and protective plates arranged at two sides of the bed body, wherein moving rails are respectively arranged at two sides of the bed body; a bed head crank used for adjusting the angle of a bed head is arranged at one end of the bed body; and a bed height crank used for adjusting the height of the bed body is arranged at the other end of the bed body. Through the sliding of a moving cylinder on the moving rails, the distance between the two protective plates is convenient to adjust; meanwhile, through the rotation of the moving cylinder on the moving rails, the placing angle of the protective plates is convenient to adjust, and the practicability is strong; meanwhile, under the condition that a patient is ensured to be safe in the transferring process, a proper distance is reserved between the two protective plates; and the hollow section can be used for suspending a lifting hook of a thoracic cavity drainage tube, so that a pipeline such as a thoracic cavity drainage tube, a catheter and the like can be conveniently suspended, the transferring bed can more reasonably place tubes such as the thoracic cavity drainage tube, a catheter and the like, folding of the tubes is avoided, traction of the tubes is reduced, and the effective drainageis ensured.

The invention discloses an easily extruded anticlogging thoracic cavity drainage tube, which comprises a thoracic cavity drainage tube (1), and is characterized in that the tail end of the thoracic cavity drainage tube (1) is provided with a swelled extruding saccule (2). The easily extruded anticlogging thoracic cavity drainage tube has the advantages that the extruding saccule of the drainage tube increases the extruding volume and improves the extruding efficiency, so that obstruent in the drainage tube is easy to remove; and the easily extruded anticlogging thoracic cavity drainage tube has a simple structure, is convenient to operate, is safe and reliable, and reduces the labor amount of medical staff when simultaneously relieving pain of patients.

Devices, computer readable programs and methods for determining a patient parameter, including volume and / or flow rate of a fluid draining through a drain tube from a chest cavity of a patient, by using at least one pressure value at an end of the drain tube associated with a fluid collection canister and at least one pressure value within the drain tube at a location distant from the collection canister. The pressure values are processed with a non-linear solver to determine the patient parameter.

The invention provides a safe and effective anti-blocking and anti-injury thoracic cavity drainage tube, comprising a tube body, a tube head and a tube tail; a movable collar is arranged at the pipe body, the outer periphery of the movable collar is provided with a fixing sticker, one side of the fixing sticker is coated with medical glue, and one side of the fixing sticker coated with medical glue is provided with release paper. The thoracic drainage tube provided by the invention is effective in relieving pain; by installing a movable collar at the tube body of the drainage tube which can protect the surgical incision, the friction of the drainage tube to the surgical incision during insertion and withdrawal is prevented, thereby greatly reducing the pain of the patient, and the drainagetube has the advantages of preventing blockage and injury, and has important practical application value.

The invention provides a thoracic cavity drainage device. The thoracic cavity drainage device comprises a supporting frame; a drainage cavity arranged in the supporting frame in a supporting mode, wherein the drainage cavity comprises a first cavity, a second cavity and a third cavity which are isolated from one another, and deionized water is arranged in the second cavity and the third cavity; awater tank fixedly arranged on the top surface of the support frame and respectively communicated with the first liquid inlet pipe and the second liquid inlet pipe through regulating valves, and usedfor supplementing liquid to the second cavity and the third cavity; a negative pressure pipe, wherein one end of the negative pressure pipe is arranged in the third cavity and located above the liquidlevel, and the other end of the negative pressure pipe is communicated with the pressure attaching device; and a flow velocity adjusting device fixedly arranged on the top surface of the support frame and used for allowing the drainage tube to pass through and adjusting the flow velocity of the drainage tube. The invention further provides a control method of the thoracic cavity drainage device,vital signs of a patient can be collected, drainage parameters are determined based on the BP neural network, and thoracic cavity drainage safety is improved.

The invention relates to the field of medical instruments, in particular to a chest drainage device. The chest drainage device comprises a negative pressure machine, a drainage tube, a waste liquid collecting cylinder and a speed regulating device, the negative pressure machine is started to form negative pressure in the waste liquid collecting barrel, effusion in the thoracic cavity of a patient is extracted, the negative pressure degree in the waste liquid collecting barrel is increased when the negative pressure machine is influenced by external current and voltage, the speed adjusting device starts to work, and when the negative pressure in the waste liquid collecting barrel is slowly increased, water flow in a detection cavity of the speed adjusting device is slowly increased, so that the effusion in the thoracic cavity of the patient is extracted. The water flow pushes the detection plate to move leftwards, the first spoiler and the second spoiler of the adjusting mechanism which is in transmission connection with the transmission device rotate, the flowing direction of the water is changed, the water flow speed is reduced, and then the constant extraction speed of pleural effusion of a patient is maintained.

The invention relates to the technical field of medical apparatus and instruments, and discloses a movable thoracic cavity drainage device for oncology surgery, which comprises two support frames, the opposite sides of the two support frames are rotatably connected with connecting rods through hinges, and the tops of the two connecting rods are fixedly provided with two first rotating blocks; the multiple first rotating blocks are rotationally connected through a first round rod, the outer side of the first round rod is sleeved with a first torsion spring, the two ends of the first torsion spring abut against the tops of the two connecting rods correspondingly, and a round hole is formed in a rear vertical rod of the supporting frame; a sliding plate, a fixing cylinder, a rotating cylinder, a second rotating rod, a second round block, a third storage hole, a fourth spring, a second clamping block, a fifth pull rope and a rope loop are arranged, so that a drainage bottle is placed in a containing barrel, more and more hydrops exist in the chest, the drainage bottle presses the sliding plate downwards, the sliding plate pulls the second rotating rod to rotate through the fifth pull rope, and the second rotating rod drives the second round block to rotate.

The invention relates to a thoracic closed-type drainage bag, in particular to a thoracic closed-type drainage bendable fixing tube. After an thoracic operation is carried out on a patient, drainage tubes on the thoracic drainage bag are required to have certain hardness to guarantee that the drainage tubes are not deformed and blocked when thoracic drainage is carried out, the thoracic drainage tubes are hard, after parts, located outside the body, of the thoracic drainage tubes are stressed by external force, the thoracic drainage tubes are dragged and driven, dragging occurs all the time, and therefore the body tissues at the suture position of the patient feel painful. After the thoracic drainage tubes are improved, the hardness of the thoracic drainage tubes can meet the clinic requirement, moderate bending is carried out on the position where bending is required, the number of the thoracic drainage tubes is two, hardness transmission can be reduced, a drainage tube fixing sleeve is additionally arranged between the two thoracic drainage tubes capable of reducing the hardness transmission, the thoracic drainage tubes and the drainage tube fixing sleeve can be fixed through a fixing belt, dragging and pulling, caused by displacement of the thoracic drainage tubes, on the suture position can be reduced, and pains of the patient can be accordingly relieved or avoided.

The invention discloses a chest drainage catheter fixing mechanism, and relates to the technical field of medical surgical instruments. The chest drainage catheter fixing mechanism comprises a fixing plate and a positioning block, a mounting ring and a puncture hole are arranged on the front end face of the fixing plate, a sticker is further arranged on the front end face of the fixing plate, the position of the sticker is matched with that of the puncture hole, the positioning block is mounted on the front end face of the fixing plate and located below the puncture hole, a connecting groove penetrates through the upper surface of the positioning block, a pipe groove penetrates through one surface of the positioning block, and the connecting groove is connected with the pipe groove. By arranging a rubber ring, a first elastic rope, a second elastic rope, an inserting block, a fixing piece, a clamping block and a clamping groove, the problems that an existing chest drainage tube fixing method is troublesome, and a drainage tube is difficult to operate and prone to falling off are solved, and the drainage tube is more convenient to wear, stable in supporting and not prone to falling off.

Devices, computer readable programs and methods determine a patient parameter, including volume and / or flow rate of a fluid draining through a drain tube from a chest cavity of a patient, by using at least one pressure value at an end of the drain tube associated with a fluid collection canister and at least one pressure value within the drain tube at a location distant from the collection canister. The pressure values are processed with a non-linear solver to determine the patient parameter.

The invention relates to a drainage tube, in particular to a dual-purpose three-cavity drainage tube for washing the abdominal cavity and the chest cavity. The drainage tube mainly used for washing the abdominal cavity and the chest cavity and draining liquid in the abdominal cavity and the chest cavity is provided and comprises an integrated double-cavity main tube 1, a large tube connector 2 with a plug, a small tube connector 3 with a plug, a one-way pressure reducing valve 4 and an internal inserting tube 5 which are integrated, wherein the one-way pressure reducing valve 4 is connected to the front end of the double-cavity main tube 1; a plurality of side holes are formed in the rear end of the integrated double-cavity main tube 1; the large tube connector 2 with the plug is communicated with a large tube in the double-cavity main tube 1; the small tube connector 3 with the plug is communicated with a small tube in the double-cavity main tube 1; the internal inserting tube 5 is inserted into the large tube of the double-cavity main tube 1 through the large tube connector 2 with the plug, thereby forming a three-cavity structure.

The invention discloses a thoracic cavity drainage device for a thoracic surgery department. The device comprises a bottom plate, an auxiliary drainage barrel, a disc, a rotating shaft and a main drainage barrel, wherein an air pump and a supporting plate are fixedly connected to the bottom plate; a connecting plate is connected to the supporting plate in a sliding mode; an air bag is arranged inthe main drainage barrel; and the air bag is connected with the air pump. The device has the beneficial effects that the structure is novel, and the function is practical; and when thoracic surgery drainage is carried out, a liquid inlet pipe communicates with a drainage pipe for drainage, the rotating shaft is rotated to enable rotating blades and an opening to be staggered, drainage liquid enters the main drainage barrel, when the drainage liquid in the main drainage barrel is about to overflow, the rotating shaft is rotated to enable the rotating blades to seal the opening, at the moment, the continuously drained drainage liquid enters the auxiliary drainage barrel, the main drainage barrel can be taken away, and another main drainage barrel is placed on the bottom plate again for drainage.

The invention relates to the technical field of medical instruments, and discloses a thoracic surgery chest drainage nursing device which comprises a base, a supporting rod is fixedly connected to the middle of the outer surface of the upper end of the base, an inserting groove is formed in the outer surface of the front end of the supporting rod, and a support is slidably connected to the position, close to the upper portion, of the outer surface of the supporting rod; a drainage box is slidably connected to the lower portion of the support and the outer surface of the supporting rod, a fixing bolt is rotatably connected to the middle of the outer surface of the front end of the support, a fixing block is fixedly connected to the position, close to the left side, of the outer surface of the upper end of the support, and a first hydraulic press is fixedly connected to the position, close to the right side, of the outer surface of the upper end of the support. The thoracic cavity drainage nursing device for the thoracic surgery department has the advantages that the height of the nursing device can be adjusted, the drainage tube can be automatically squeezed, the squeezing stability is guaranteed, and the working efficiency is improved, and the problems that the application range of the nursing device is small, and manual squeezing of the drainage tube is unstable are solved.

The invention discloses an integrated thoracic cavity drainage tube fixing device, which comprises a fixing plate and a fixing mechanism installed on the fixing plate. The fixing mechanism is used formounting the fixing device of a thoracic cavity drainage tube on the skin surface of a patient; a mounting mechanism is arranged on the fixing mechanism; two buffer mechanisms used for buffering thedrainage tube are oppositely mounted at the top of the mounting mechanism; and fastening mechanisms used for fixing the drainage tube are mounted at the tops of the two buffer mechanisms. The device is fixed on the skin, close to the thoracic cavity, of a patient through a bonding plate; meanwhile, the device is fixed on the skin in a suture manner. The drainage tube is fixed between two fixing pieces with an arc-shaped structure, the two fixing pieces are oppositely extruded, a fixing belt is arranged in fastening grooves in the outer side walls of the two fixing pieces, one end of the fixingbelt is connected with a locking mechanism, and the other end of the fixing belt is inserted into the locking mechanism to be fixed. Therefore, the drainage tube is fixed through the two fixing pieces.

The invention relates to the technical field of medical instruments, and discloses a clinical intelligent thoracic cavity drainage device. A drainage bottle is provided with a negative pressure apparatus, a liquid inlet end, a liquid level sensor used for sensing the amount of hydrops in the drainage bottle, a camera used for shooting the internal state of the drainage bottle, a controller and a storage battery, and the liquid inlet end is provided with a flow speed control mechanism; the controller can calculate the hydrops increment in the drainage bottle according to signals fed back by theliquid level sensor and can regulate and control the working states of the negative pressure apparatus and the flow speed control mechanism on the basis of the hydrops increment and preset drainage amount and drainage time, and timed drainage and quantitative drainage are achieved. The clinical intelligent thoracic cavity drainage device adopts an intelligent design, can automatically control thedrainage state, can realize timed and quantitative drainage, reduces manual operation links, can avoid adverse effects caused by improper manual operation, avoids the defect of hydrops overflow in the drainage bottle, and is particularly suitable for clinical drainage of a large amount of hydrops in the thoracic cavity.