Disclosure of Invention
The invention aims to provide a diagnostic sampling device for clinical department of gastroenterology, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme that the clinical diagnosis sampling device for the gastroenterology comprises:
the inner pipe is provided with an outer pipe at the outer side, and an air passage through which air flows is arranged between the outer pipe and the inner pipe;
The sampling mechanism is arranged on the outer side of the outer tube, is communicated with the outer tube, and is inflated and then scraped in the esophagus so that esophageal exfoliated cells are collected;
The gas charging mechanism is arranged at the end parts of the inner tube and the outer tube and is used for flushing gas into the sampling mechanism;
The phase adjusting mechanism is arranged between the outer tube and the inner tube, and when the sampling mechanism samples, the sampling mechanism samples different positions of the esophagus respectively.
Preferably, the sampling mechanism comprises an air bag arranged on one side of the outer tube, the air bag is communicated with the inside of the air passage, a plurality of scraping rings for scraping the esophagus of a patient are arranged at the top of the air bag, sealing rings for sealing the scraping rings after scraping are arranged on one side of each scraping ring, and the sealing rings and the scraping rings are fixedly connected with the air bag.
Preferably, the stage adjustment mechanism comprises a pushing ring arranged on the outer side of the outer tube, one side of the pushing ring is located on the outer side of the air bag, a pull rope is arranged in the inner tube, one end of the pull rope is fixedly connected with the pushing ring, the pull rope penetrates through the inner tube and extends to the outer side of the inner tube, a plurality of separation plates for separating the air bag are arranged in the air bag, each separation plate is provided with a compression plate for transmitting air, the surface of the outer tube is provided with a plurality of air holes, partition plates are arranged between every two air holes of the outer tube, a communication hole is formed in the outer tube, and a sealing plate for sealing the communication hole is arranged on one side of the communication hole.
Preferably, the partition plate is connected with the pressing plate through a connecting rod, the pressing plate is tightly attached to the partition plate, and the partition plate is located on the inner wall of the inner tube.
Preferably, the inflation mechanism comprises a sleeve arranged at one end of the outer tube, an air pipe communicated with an external air pressure pump is arranged on one side of the sleeve, a connecting cylinder is arranged on one side of the sleeve, a piston is connected inside the connecting cylinder in a sliding manner, a piston rod penetrating through the connecting cylinder is arranged at the end part of the piston, and a spring is arranged between the connecting cylinder and the piston.
Preferably, a metal disc is arranged at the top of the piston rod, a metal ring is arranged at the top of the connecting cylinder, and the metal disc is electrically connected with external inflation equipment.
Preferably, the scraping ring inclines towards the hand-held end direction of the medical staff, the outer diameter of the sealing ring is smaller than the inner diameter of the scraping ring, and the cross section of the sealing ring is inclined.
Preferably, the outside of outer tube is equipped with the winding mechanism to stay cord rolling and take out sampling mechanism from the esophagus in, winding mechanism is including the frame that is used for medical personnel to hold, the inside of frame is equipped with the receipts reel, the winding reel is with the stay cord winding.
Preferably, one side of the outer tube is provided with a connecting rope, the winding drum comprises a winding part I for winding the pull rope, two sides of the winding part I are provided with winding parts II for winding the connecting rope, and the outer diameter of the winding part II is twice the outer diameter of the winding part I.
The invention has at least the following beneficial effects:
The invention can be used for sampling different positions of the esophagus by using the air bags through the stage adjusting mechanism, sampling is corresponding, compared with the prior art, the movement stroke of the net bag in the friction process of the esophagus is larger, the approximate area of the focus can only be roughly determined, repeated detection is needed to determine the specific position of the focus, the operation process is more complicated, the operation of doctors is inconvenient, the repeated friction of the esophagus of the patient can cause the damage of the mucous membrane at the position of the esophagus of the patient, and the patient is uncomfortable.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to FIGS. 1-9, the present invention provides a technical scheme of a clinical diagnostic sampling device for digestive system department, comprising:
The inner tube 1, the outside of the inner tube 1 is provided with an outer tube 2, an air passage through which air flows is arranged between the outer tube 2 and the inner tube 1, the outer tube 2 is fixedly connected with the inner tube 1, and the outer tube 2 and the inner tube 1 are inserted into the esophagus of a patient;
The sampling mechanism 3 is arranged on the outer side of the outer tube 2, the sampling mechanism 3 is communicated with the outer tube 2, and the sampling mechanism 3 is scraped in the esophagus after being inflated, so that the esophageal cast-off cells are collected, when the sampling mechanism 3 is scraped in the esophagus of a patient, the cast-off cells at different positions of the esophagus of the patient can be respectively collected and stored, the possibility of mixing the cast-off cells at different positions of the esophagus is reduced, and further, the focus position of the patient can be conveniently and accurately determined after the test, so that the subsequent treatment is convenient;
The gas charging mechanism 4 is arranged at the end parts of the inner tube 1 and the outer tube 2, the gas charging mechanism 4 charges gas into the sampling mechanism 3, the gas charging mechanism 4 charges gas into the air passage between the inner tube 1 and the outer tube 2, the gas is charged into the sampling mechanism 3, the sampling mechanism 3 is further inflated to tightly prop against the esophagus, the gas charging mechanism 4 conveniently provides relatively stable air pressure, the sampling mechanism 3 is convenient to scrape the esophagus of a patient, the inflation degree of the sampling mechanism 3 can be automatically adjusted by the gas charging mechanism 4 according to the extrusion force between the sampling mechanism 3 and the esophagus, partial gas is discharged when the esophagus is relatively narrow, and partial gas is charged when the esophagus is relatively wide;
The stage adjusting mechanism 5, stage adjusting mechanism 5 installs between outer tube 2 and inner tube 1, stage adjusting mechanism 5 is when sampling mechanism 3 samples for sampling mechanism 3 sample esophagus different positions respectively, stage adjusting mechanism 5 is when sampling mechanism 3 is inflated the back, guarantees that sampling mechanism 3 different positions sample the esophagus different positions respectively, comparatively accurate each position sample in the esophagus, and then can make things convenient for medical personnel to confirm the position of focus, in order to make things convenient for subsequent treatment.
The sampling mechanism 3 includes the gasbag 31 of installing in 2 one sides of outer tube, and the both ends of gasbag 31 all are with outer tube 2 fixed connection, gasbag 31 and the inside intercommunication of air flue, the top of gasbag 31 is equipped with a plurality of scraping rings 32 to the scraping of patient's esophagus, every scraping ring 32 one side is equipped with scraping ring 32 confined sealing ring 33 after scraping, sealing ring 33 and scraping ring 32 all with gasbag 31 fixed connection, sealing ring 33 and scraping ring 32 respectively with gasbag 31 integrated into one piece, scraping ring 32 is to the slope of medical personnel's hand-held end direction, the external diameter of sealing ring 33 is less than the internal diameter of scraping ring 32, the transversal slope of personally submitting of sealing ring 33. When the air bag 31 is flushed with air, the air bag 31 is inflated in the esophagus of a patient, when the air bag 31 is pulled to move, different scraping rings 32 scrape different positions of the esophagus, the scraped cells are collected, the scraping rings 32 are sealed after the scraping rings are turned over after the scraping rings are collected, the cell pollution of the rest positions of the esophagus to the collecting positions is reduced, the lesion positions of the esophagus can be accurately determined, and the medical staff can conveniently expand subsequent treatment.
The stage adjusting mechanism 5 comprises a push ring 51 arranged on the outer side of the outer tube 2, the push ring 51 is sleeved on the outer side of the outer tube 2, the push ring 51 is attached to the surface of the air bag 31 when moving, one side of the push ring 51 is located on the outer side of the air bag 31, a pull rope 52 is arranged in the inner tube 1, one end of the pull rope 52 is fixedly connected with the push ring 51, the pull rope 52 penetrates through the inner tube 1 to extend to the outer side of the inner tube 1, a plurality of separation plates 53 which divide the air bag 31 are arranged in the air bag 31, the separation plates 53 are fixedly connected with the air bag 31, the separation plates 53 are elastic plates, each separation plate 53 is provided with a compression plate 54 which transmits air, the compression plate 54 is an elastic plate, part of the compression plate 54 is fixed on the separation plates 53, a plurality of air holes are formed in the surface of the outer tube 2, a partition plate 55 is arranged between each air hole, the partition plate 55 and the outer tube 2 are fixedly connected with the inner wall of the outer tube 2, a communication hole is formed in the outer tube 2, one side of the communication hole is provided with a sealing plate 56 which is sealed by the communication hole, the sealing plate 56 and the sealing plate 56 is fixedly connected with the outer tube 2, the sealing plate 56 is compressed by the sealing plate 56, and the sealing plate 51 is sealed by the sealing plate 51.
The partition plate 55 is connected with the pressing plate 54 through a connecting rod 57, two ends of the connecting rod 57 are fixedly connected with the pressing plate 54 and the partition plate 55 respectively, the pressing plate 54 is tightly attached to the partition plate 53, and the partition plate 55 is located on the inner wall of the inner tube 1.
The medical staff will take the outer tube 2. After the inner tube 1 and the sampling mechanism 3 are inserted into the esophagus of a patient, firstly, the inflation mechanism 4 inflates the outer tube 2 and the airway of the inner tube 1, gas directly enters the air bag 31 on one side of the sealing plate 56 through the communication hole, at the moment, the air bag 31 is partially inflated by the gas, the outer tube 2 and the pull rope 52 are pulled, the outer tube 2 and the pull rope 52 synchronously move outwards, at the moment, the pull rope 52 pulls the push ring 51 to move on the surface of the air bag 31, after the scraping ring 32 scrapes esophageal cells, the push ring 51 pushes the sealing ring 33 to rotate, the sealing ring 33 covers the scraping ring 32 after rotating, the scraped exfoliated cells of the esophagus are sealed, after the push ring 51 moves to the sealing plate 56, the push ring 51 pushes the sealing plate 56 to rotate, the sealing plate 56 is inserted into the communication hole to seal the communication hole, the gas of the air bag 31 is extruded by the push ring 51 to enter the position of the compacting plate 54, the compacting plate 54 is opened under the action of air pressure, the hold-down plate 54 pushes the partition plate 55 to open through the connecting rod 57, the air bag 31 is communicated with the air passage again, the air charging mechanism 4 can supplement air, the scraping position of the air bag 31 is kept in an expansion state, after the push ring 51 is separated from the partition plate 53, the air bag 31 enters the next air bag cavity, the last cavity is retracted under the extrusion action of the push ring 51, the air bag 31 continuously moves along the esophagus in the continuous moving process of the push ring 51, further, a section of the esophagus is respectively collected, further, the more accurate collection of the fallen cells at each position of the esophagus is facilitated, the medical staff can conveniently determine the specific position of a focus, secondly, after the air bag 31 is inserted into the stomach, the air bag 31 is inflated through the communication hole, whether the air bag 31 is positioned at the connecting position of the esophagus and the stomach is determined, the sampling in the esophagus is facilitated, in addition, after the sampling is finished, the air bag 31 can be sheared off, the direct extraction scraping ring 32 and the cell that drops between the sealing ring 33, the operation of medical personnel is more convenient, and the cell that is located the circumferencial direction is difficult for mixing yet, not only determines the position of focus along esophagus length direction, can also determine the position of focus along the circumferencial direction, and the location is more accurate.
The inflation mechanism 4 comprises a sleeve 41 arranged at one end of the outer tube 2, the sleeve 41 is sleeved with the outer tube 2 after being connected with the outer tube 2 in a threaded mode or extruded, the inflation mechanism 4 is convenient to use repeatedly, one side of the sleeve 41 is provided with an air pipe 42 communicated with an external air pressure pump, the air pipe 42 is fixedly connected with the sleeve 41, the air pipe 42 is communicated with external inflation equipment, one side of the sleeve 41 is provided with a connecting cylinder 43, the connecting cylinder 43 is fixedly connected with the sleeve 41 and is internally communicated with the sleeve 41, a piston 44 is slidably connected inside the connecting cylinder 43, the end portion of the piston 44 is provided with a piston rod 45 penetrating through the connecting cylinder 43, the piston rod 45 is slidably connected with the connecting cylinder 43, a spring is arranged between the connecting cylinder 43 and the piston 44, and two ends of the spring are fixedly connected with the connecting cylinder 43 and the piston 44 respectively.
The top of piston rod 45 is equipped with metal dish 46, metal dish 46 and piston rod 45 fixed connection, the top of connecting cylinder 43 is equipped with metal ring 47, metal ring 47 and connecting cylinder 43 fixed connection, with outside inflation equipment electric connection between metal dish 46 and the metal ring 47.
When the inflatable device is inflated, medical staff opens external inflation equipment, the metal ring 47 is in contact with the metal disc 46, gas is flushed into the air passage, the air bag 31 is inflated, when the air pressure reaches full contact with the esophagus of a patient, at the moment, the piston 44 moves along the connecting cylinder 43, the piston 44 drives the piston rod 45 to move upwards, the piston rod 45 drives the metal disc 46 to be separated from the metal ring 47, further the inflation equipment stops inflating, when the air bag 31 is extruded by the pushing ring 51, the piston 44 is pushed upwards by higher air pressure, when the piston 44 is separated from the connecting cylinder 43, the gas is discharged out of the air passage, further damage to the esophagus of the patient when the air bag 31 is extruded is reduced, when the pushing ring 51 enters the next cavity of the air bag 31, the air pressure is insufficient, the piston 44 descends, the piston 44 drives the piston rod 45 to descend, the piston rod 45 drives the metal disc 46 to be in contact with the metal ring 47, the inflation equipment continues inflating, and further the air in the air bag 31 is guaranteed to scratch the esophagus just, the esophagus can not damage the esophagus, and the operation of the medical staff is more convenient.
According to the above embodiment, in the second embodiment, the winding mechanism 6 for winding the pull rope 52 and withdrawing the sampling mechanism 3 from the esophagus is disposed outside the outer tube 2, the winding mechanism 6 includes a frame 61 for holding a medical staff, the winding drum 62 is rotatably connected with the frame 61 through a rotating shaft, the winding drum 62 is disposed inside the frame 61, the pull rope 52 is wound by the winding drum 62, and a handle for shaking is disposed outside the rotating shaft.
One side of the outer tube 2 is provided with a connecting rope 63, the connecting rope 63 is fixedly connected with the sleeve 41, the sleeve 41 is fixedly connected with the outer tube 2, the winding drum 62 comprises a winding part I621 used for winding the pull rope 52, two sides of the winding part I621 are provided with winding parts II 622 used for winding the connecting rope 63, and the outer diameter of the winding parts II 622 is twice the outer diameter of the winding part I621.
When the air bag 31, the outer tube 2 and the inner tube 1 are pulled out, the medical staff holds the frame 61 by hand and shakes the handle, the handle drives the connecting rope 63 and the pull rope 52 to synchronously pull, the air bag 31 needs to completely collect the dropped cells during rolling, the air bag 31 needs to move twice the length of the air bag 31, and the push ring 51 only needs to move the length of the air bag 31, referring to fig. 9, the push ring 51 also needs to synchronously move with the air bag 31 while the push ring 51 moves on the air bag 31 through the cooperation pulling of the rolling part I621 and the rolling part II 622, in order to ensure that the air bag 31 completely acts on the esophagus length, the rolling length of the rolling part I621 is half of the rolling length of the connecting rope 63 of the rolling part II 622, the air bag 31 is further effectively utilized, the moving distance of the air bag 31 is 2A, and the moving distance of the push ring 51 is A, so that the relative moving distances are different.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.