Disclosure of Invention
The invention aims to provide a thyroid cyst suction device, which solves the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the thyroid cyst suction device comprises a flexible indwelling tube and a suction tube in butt joint with the flexible indwelling tube, wherein a puncture needle for puncturing the thyroid cyst is further arranged in the flexible indwelling tube, a plurality of through holes are formed in the outer surface of one end, close to a needle head of the puncture needle, of the flexible indwelling tube, and a suction mechanism is arranged at one end, far away from the flexible indwelling tube, of the suction tube; a suction unit that sucks the fluid accumulation in the thyroid cyst through the suction tube and the flexible indwelling tube, the suction unit being provided inside the suction mechanism; and the cleaning component is used for diluting and cleaning residual effusion in the thyroid cyst and is also arranged in the suction mechanism.
Preferably, the suction component comprises a suction cylinder which is located at one end of the suction pipe far away from the flexible indwelling pipe, the suction pipe is communicated with the bottom of the suction cylinder, a piston block I is slidably embedded in the suction cylinder, a piston rod I is fixedly arranged at the upper end of the piston block I, the top of the piston rod I axially slides and penetrates through the suction cylinder, a liquid discharge pipe is fixedly communicated with the bottom of the suction cylinder, a check valve II and a check valve III are fixedly arranged on the outer surfaces of the suction pipe and the liquid discharge pipe respectively, the piston rod is used for carrying the piston block I to move upwards, and liquid accumulation in the cyst is sucked out through the suction pipe and the flexible indwelling pipe.
Preferably, the cleaning component is arranged on the infusion tube at the side of the suction tube, the suction tube is flush with the upper end face of the infusion tube, a fixed sleeve block is fixedly sleeved between the suction tube and the outer surface of the infusion tube, a piston block II is slidably arranged in the infusion tube, a piston rod II is fixedly arranged at the upper end of the piston block II, the top of the piston rod II axially slides and penetrates through the infusion tube, two branch tubes are fixedly communicated with the outer surface of the suction tube, the branch tubes are arranged on one side, away from the suction tube, of the one-way valve II, the one-way valve I is fixedly arranged on the outer surface of each branch tube, an infusion tube is fixedly communicated between the bottom of the infusion tube and one of the branch tubes, and when the piston rod II pushes the piston block II to move downwards, alcohol or other disinfection liquid in the infusion tube can be input into the cyst without water.
Preferably, the second check valve is in one-way circulation from the suction pipe to the suction cylinder, the third check valve is in one-way circulation from the suction cylinder to the liquid discharge pipe, the first check valve is in one-way circulation from the branch pipe to the suction pipe, and the three check valves are designed to avoid backflow pollution of liquid in the conveying process.
Preferably, a driving part is arranged between the first piston rod and the second piston rod, the driving part comprises a gear reducer fixedly arranged in the fixed sleeve block, the input end and the output end of the gear reducer are respectively and rotatably sleeved with a first gear and a second gear, tooth grooves are formed in the outer surfaces of the first piston rod and the second piston rod, the first gear and the second gear are movably meshed with the tooth grooves, a first driving part is arranged between the first gear and the input end of the gear reducer, a second driving part is arranged between the second gear and the output end of the gear reducer, and the piston block of the second gear reducer can downwards move under the action of the first driving part, the second driving part and the gear reducer when the first piston rod is downwards pressed each time to inject disinfection liquid into the cyst so as to disinfect and clean the cyst.
Preferably, the first driving member includes a fixed ratchet fixedly sleeved on an outer surface of the input end of the gear reducer, a movable ratchet movably meshed with the fixed ratchet is fixedly mounted on an inner wall of the first gear, when the first piston rod moves upwards, the first gear cannot rotate by the movable ratchet to drive the fixed ratchet to rotate, and when the first piston rod moves downwards, the first gear can drive the fixed ratchet and the input end of the gear reducer to rotate.
Preferably, the second driving member includes a first coupler fixedly mounted on the gear second and close to an end face of the gear reducer, and the outer surface of the output end of the gear reducer is axially and slidably sleeved with a second coupler, tooth surfaces of the first coupler and the second coupler are arranged in opposite directions, a spring is fixedly arranged on an end face of the second coupler away from the gear second, the spring is in sliding fit contact with the gear reducer, a separating member is further arranged between the second coupler and the first coupler, and the output end of the gear reducer only rotates with the gear second as long as the first coupler and the second coupler are butted together.
Preferably, the separating piece comprises an extension disc fixedly sleeved on the outer surface of the binder, a cam is arranged between the extension disc and the second gear, a rotating shaft is fixedly embedded in the cam, the rotating shaft is in rotary connection with the fixed sleeve block through a support, a poking wheel is fixedly sleeved at one end of the rotating shaft extending out of the fixed sleeve block, when the cam is in a vertical state, the first binder is in butt joint with the second binder, and when the cam rotates to a horizontal state, the two binders are separated.
Preferably, the convex end of the cam is provided with a horizontal tangential part, and when the cam is in a horizontal state, the horizontal tangential part is in sliding contact with the end surface of the extension disc, so that the condition that the cam is reset in the state can be avoided.
Preferably, the inner wall of the flexible indwelling tube is far away from one end of the through hole and provided with a plurality of clamping grooves, the suction tube stretches into one end of the inner part of the flexible indwelling tube, the outer surface of one end of the suction tube is fixedly provided with a plurality of protruding rings, the protruding rings are movably embedded with the clamping grooves, and the stability and the tightness of butt joint of the flexible indwelling tube and the suction tube can be increased through the design of the clamping grooves and the protruding rings.
Compared with the prior art, the invention has the beneficial effects that:
The invention can suck out the effusion in the thyroid cyst by the action of the suction part, and when the effusion is discharged, the cleaning part can be triggered by the driving part, the sterilizing liquid which is equal to the sucked effusion is injected into the cyst, the inside of the cyst is sterilized, the repeated sterilizing treatment can be carried out on the inside of the cyst by the operation of the suction part for a plurality of times, the residual effusion in the cyst can be diluted and discharged by each sterilizing treatment, the effusion in the cyst can be cleaned after a plurality of times of treatment, and then the therapeutic liquid is injected, so that the therapeutic effect of the therapeutic liquid on the thyroid cyst is ensured.
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.
Examples
Referring to fig. 1-6, a thyroid cyst aspiration device in the drawings comprises a flexible indwelling tube 2 and an aspiration tube 1 in butt joint with the flexible indwelling tube 2, wherein a puncture needle 14 for puncturing the thyroid cyst is further arranged in the flexible indwelling tube 2, a plurality of through holes 13 are formed in the outer surface of one end, close to the needle head of the puncture needle 14, of the flexible indwelling tube 2, and an aspiration mechanism is arranged at one end, far away from the flexible indwelling tube 2, of the aspiration tube 1; a suction unit for sucking the effusion in the thyroid cyst through the suction tube 1 and the flexible indwelling tube 2, the suction unit being provided inside the suction mechanism; and the cleaning component is used for diluting and cleaning residual effusion in the thyroid cyst and is also arranged in the suction mechanism.
The suction component comprises a suction cylinder 3 positioned at one end, far away from the flexible indwelling tube 2, of the suction tube 1, the bottom of the suction cylinder 3 is communicated with the bottom of the suction tube 1, a piston block I16 is slidably embedded in the suction cylinder 3, a piston rod I17 is fixedly arranged at the upper end of the piston block I16, the top of the piston rod I17 axially slides and penetrates through the suction cylinder 3, a liquid discharge tube 9 is fixedly communicated with the bottom of the suction cylinder 3, a one-way valve II 8 and a one-way valve III 10 are fixedly arranged on the outer surfaces of the suction tube 1 and the liquid discharge tube 9 respectively, the piston block I16 is carried by the piston rod I17 to move upwards, and the accumulated liquid in the cyst is sucked out through the suction tube 1 and the flexible indwelling tube 2.
The cleaning component comprises an infusion tube 4 arranged on the side of a suction tube 3, the suction tube 3 is flush with the upper end face of the infusion tube 4, a fixed sleeve block 5 is fixedly sleeved between the outer surfaces of the suction tube 3 and the infusion tube 4, a piston block II 18 is slidably arranged in the infusion tube 4, a piston rod II 19 is fixedly arranged at the upper end of the piston block II 18, the top of the piston rod II 19 axially slides and penetrates through the infusion tube 4, two branch tubes 6 are fixedly communicated with the outer surface of the suction tube 1, the branch tubes 6 are located on one side, far away from the suction tube 3, of a one-way valve II 8, a one-way valve I7 is fixedly arranged on the outer surface of each branch tube 6, an infusion tube 15 is fixedly communicated between the bottom of the infusion tube 4 and one of the branch tubes 6, and absolute ethyl alcohol or other disinfection liquid in the infusion tube 4 can be input into a cyst when the piston rod II 19 pushes the piston block II 18 to move downwards.
The circulation direction of the second check valve 8 is that the suction pipe 1 flows unidirectionally to the suction cylinder 3, the circulation direction of the third check valve 10 is that the suction cylinder 3 flows unidirectionally to the liquid discharge pipe 9, the circulation direction of the first check valve 7 is that the branch pipe 6 flows unidirectionally to the suction pipe 1, and the three check valves are designed to avoid backflow pollution of liquid in the conveying process.
A driving part is arranged between the first piston rod 17 and the second piston rod 19, the driving part comprises a gear reducer 20 fixedly arranged in the fixed sleeve block 5, the input end and the output end of the gear reducer 20 are respectively and rotatably sleeved with a first gear 21 and a second gear 22, tooth grooves 23 are formed in the outer surfaces of the first piston rod 17 and the second piston rod 19, the first gear 21 and the second gear 22 are movably meshed with the tooth grooves 23, a first driving part is arranged between the first gear 21 and the input end of the gear reducer 20, a second driving part is arranged between the second gear 22 and the output end of the gear reducer 20, and the effect that the piston block 18 also moves downwards when the first piston rod 17 is pressed downwards each time can be realized, so that disinfection liquid is injected into the cyst to be disinfected and cleaned.
The first driving member includes a fixed ratchet 24 fixedly sleeved on the outer surface of the input end of the gear reducer 20, a movable ratchet 25 movably meshed with the fixed ratchet 24 is fixedly mounted on the inner wall of the first gear 21, when the first piston rod 17 moves upwards, the first gear 21 cannot rotate with the fixed ratchet 24 through the movable ratchet 25, and when the first piston rod 17 moves downwards, the fixed ratchet 24 and the input end of the gear reducer 20 can be driven to rotate.
The second driving part comprises a first connector 26 fixedly arranged on the second gear 22 and close to one end face of the gear reducer 20, a second connector 27 is axially sleeved on the outer surface of the output end of the gear reducer 20 in a sliding manner, tooth faces of the first connector 26 and the second connector 27 are oppositely distributed, a spring 29 is fixedly arranged on one end face, far away from the second gear 22, of the second connector 27, the spring 29 is in sliding fit contact with the gear reducer 20, a separating part is further arranged between the second connector 27 and the first connector 26, and the output end of the gear reducer 20 can rotate with the second gear 22 only when the first connector 26 and the second connector 27 are butted together.
The inner wall of the flexible indwelling tube 2 is far away from one end of the through hole 13 and is provided with a plurality of clamping grooves 11, and the outer surface of one end of the suction tube 1 extending into the flexible indwelling tube 2 is fixedly provided with a plurality of raised rings 12, the raised rings 12 are movably embedded with the clamping grooves 11, and the stability and the tightness of the butt joint of the flexible indwelling tube 2 and the suction tube 1 can be increased through the design of the clamping grooves 11 and the raised rings 12.
Can fully clear away the hydrops in the thyroid cyst, guarantee the operating principle of thyroid cyst treatment cycle:
The medical staff sleeve the flexible indwelling tube 2 outside the puncture needle 14, puncture the thyroid cyst through the puncture needle 14, remove the puncture needle 14 from the inside of the flexible indwelling tube 2, then place the suction port of the flexible indwelling tube 2 inside the thyroid cyst, then make the suction tube 1 butt joint with the tail of the flexible indwelling tube 2, at this moment, the medical staff can move the piston block I16 upwards through the piston rod I17, suck the effusion in the thyroid cyst into the inside of the suction cylinder 3, after the effusion is sucked to the inside of the suction cylinder 3, at this moment, the medical staff presses the piston block I16 downwards through the piston rod I17, and discharges the effusion in the inside of the suction cylinder 3 through the action of the liquid discharge tube 9 and the one-way valve III 10;
When the piston rod I17 moves downwards, the piston rod I17 rotates through the engagement of the tooth grooves 23 and the gear I21, so that the movable ratchet wheel 25 rotates with the fixed ratchet wheel 24 to drive the input end of the gear reducer 20 to rotate, and when the output end of the gear reducer 20 rotates, the gear II 22 can rotate through the butt joint of the connector I26 and the connector II 27, the piston rod II 19 can move downwards with the piston block II 18 through the engagement of the gear II 22 and the tooth grooves 23 on the surface of the piston rod II 19, and disinfectant in the infusion tube 4 is infused into the cyst through the infusion tube 15, the branch tube 6, the suction tube 1 and the flexible retention tube 2;
It should be noted that the tube diameter of the infusion tube 4 is larger than that of the suction tube 3, and the gear reducer 20 has the function of ensuring that the amount of the discharge of the thyroid fluid by the downward movement of the first piston block 16 is consistent with the amount of the delivery of the disinfectant by the downward movement of the second piston block 18, so that the thyroid cyst of a patient can be disinfected without causing distending pain to the patient;
After the disinfectant is injected into the thyroid cyst, the operation is repeated, the disinfectant is sucked out and discharged, and then the disinfectant is injected into the thyroid cyst cleanly, so that the residual effusion in the thyroid cyst can be diluted and discharged for a plurality of times, and the effusion in the thyroid cyst can be completely and effectively removed, so that the later treatment effect is ensured.
Examples
Referring to fig. 6, the embodiment further illustrates embodiment 1, the separating member includes an extension disc 28 fixedly sleeved on the outer surface of the second connector 27, a cam 30 is disposed between the extension disc 28 and the second gear 22, a rotating shaft 32 is fixedly embedded in the cam 30, the rotating shaft 32 is rotatably connected with the fixed sleeve block 5 through a bracket, one end of the rotating shaft 32 extending out of the fixed sleeve block 5 is fixedly sleeved with a thumb wheel 33, when the cam 30 is in a vertical state, the first connector 26 is abutted with the second connector 27, and when the cam 30 rotates to a horizontal state, the two connectors are separated.
The cam 30 has a horizontal cut surface 31 at the convex end, and when the cam 30 is in a horizontal state, the horizontal cut surface 31 is in sliding contact with the end surface of the extension plate 28, so that the cam 30 can be prevented from being reset in this state.
In this embodiment: after the inside of the thyroid cyst is disinfected for the last time, when the disinfectant is required to be directly discharged, a medical staff can rotate the cam 30 for ninety degrees through the thumb wheel 33, so that the horizontal section 31 of the cam 30 is propped against the end face of the extension disc 28, the first connector 26 and the second connector 27 can be separated, namely when the first piston rod 17 moves downwards, the second gear 22 cannot be rotated, and the disinfectant is not injected continuously;
At this time, a receiving measuring cup should be connected to the bottom of the liquid discharge tube 9, when the first piston rod 17 moves downward, the amount of liquid in the cyst can be clearly known, after the liquid in the cyst is completely discharged, the medical staff can dock with the injector through the branch tube 6 which is not connected with the liquid delivery tube 15, and the same amount of treatment solution is injected into the thyroid cyst, so that the swelling pain of the patient is not caused.
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.