CN111195389A - A medicine feeding device for otology - Google Patents

Abstract

The invention belongs to the technical field of medical care facilities, and particularly discloses a medicine feeding device for otology, which comprises a bracket, wherein the upper end of the bracket is hinged with a shell with an inner cavity, a first channel communicated with the inner cavity penetrates through the shell, a liquid guide pipe is inserted into the first channel, the front end of the liquid guide pipe is connected with a spray head, the rear end of the liquid guide pipe is provided with a sleeve opening connected with a medical injector, and a camera and a luminous body for providing a light source are fixed on the spray head; and the controller is connected with the control panel, the controller is electrically connected with the camera and the luminous body, a display is arranged on the control panel, and a driving part for driving the liquid guide pipe to slide along the first channel is arranged in the shell. The invention greatly facilitates the diagnosis of otology diseases by doctors, improves the quality and speed, also facilitates the subsequent nursing staff to quickly and accurately apply the medicine, ensures the medicine applying quality and improves the treatment effect.

Description

A medicine feeding device for otology

Technical Field

The invention relates to the technical field of medical care facilities, in particular to a medicine feeding device for otology.

Background

In the otology department of a hospital, common otology diseases include ear trauma, otitis externa, otitis media, hydrops in middle ear, and generally, doctors use otoscopes to detect ears of patients, but most of the existing otology examination devices are handheld or head-mounted, and the patients are examined by handheld or head-mounted inspectors, and the patients are not comfortable and have hands and heads due to excessively long examination time, so that the labor capacity of the doctors is increased, and the positions of the patients need to be frequently adjusted in the examination process, so that the examination is inconvenient, the requirements on experience and observation examples of the doctors are high in the examination process, and misdiagnosis is easily caused if a correct angle cannot be found, and certain limitations are realized.

And, after the diagnosis, current medical personnel all send the liquid medicine to otology patient's duct (or earhole) with medical cotton swab in, thereby to the focus in the otology patient's duct treatment of adding medicine to, but this kind of mode is difficult to paint the liquid medicine on the focus in the otology patient's duct accurately, treatment is poor, be unfavorable for otology patient's treatment and recovery, and, it needs to control the liquid medicine volume of dipping in to scribble the medicine through medical cotton swab, too much will drip in the duct, cause duct pollution or secondary damage, if too little, will cause the dose not enough to lead to treatment poor in disease portion, in the course of the work, it is very inconvenient, it is very high to medical personnel's experience requirement.

Based on this, how to conveniently diagnose otological diseases and improve the medicine application quality and efficiency is a technical problem which needs to be solved by the technicians in the field at present.

Disclosure of Invention

In view of the problems in the prior art, it is an object of the present invention to provide a drug delivery device for otology.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a medicine feeding device for otology comprises a bracket, wherein the upper end of the bracket is hinged with a shell with an inner cavity, a first channel communicated with the inner cavity penetrates through the shell, a catheter is inserted into the first channel, the front end of the catheter is connected with a nozzle, the rear end of the catheter is provided with a sleeve opening connected with a medical injector, and a camera and a luminous body for providing a light source are fixed on the nozzle;

the controller is connected with the control panel, the controller is electrically connected with the camera and the luminous body, and a display is arranged on the control panel;

the shell is internally provided with a driving part which is used for driving the liquid guide pipe to slide in the first channel so as to control the spray head to enter and exit the auditory meatus of the patient;

the driving part comprises a screw rod, a sliding rod and a motor, the screw rod is hinged in the cavity, the motor drives the screw rod to rotate, a nut seat is sleeved on the screw rod, a through hole is formed in the lower end of the nut seat, the sliding rod penetrates into the through hole and is in sliding fit with the through hole, the motor is connected with the screw rod through a speed reducer, and a clamping mechanism used for connecting a liquid guide pipe is arranged on the nut seat;

the pair of travel switches are arranged at two ends of the screw rod or the slide rod, the travel switches are arranged on the side wall of the inner cavity, ejector rods matched with the travel switches are respectively arranged at two sides of the movement direction of the nut seat, and the travel switches are electrically connected with the motor through the controller.

Furthermore, a clamping groove is formed in the side wall of the outer side of the liquid guide pipe, and extends along the length direction of the liquid guide pipe to accommodate wires between the camera and the controller, and the light-emitting body.

Further, clamping mechanism includes expanding spring, activity clamp splice and fixes the fixed clamp splice on the nut seat, the one end of fixed clamp splice is provided with the guide bar, just the activity clamp splice is provided with the guiding hole, the one end of guide bar is passed the guiding hole and this end is provided with the external screw thread and is closed soon there is the nut, expanding spring suit is on the guide bar and is located between nut and the activity clamp splice, just all be provided with on the relative face of activity clamp splice and fixed clamp splice with the recess of catheter laminating.

Further, the nozzles of the spray head are arranged on the side face of the spray head, and are uniformly distributed on the periphery of the spray head, and the side face of the spray head is in the shape of an arc protruding outwards.

Furthermore, a cavity communicated with the liquid guide pipe is arranged in the spray head, a spiral blade is arranged at one end of the cavity, which is opposite to the liquid guide pipe, and a plurality of guide channels used for communicating the cavity and the spray nozzle are arranged in the spray head, so that the liquid medicine flowing into the cavity through the liquid guide pipe drives the spiral blade to rotate so as to break up the liquid medicine to realize atomization, and the liquid medicine is discharged along the guide channels.

Furthermore, the guide channel is obliquely arranged, the guide channel is communicated with one end, connected with the helical blade, in the inner cavity, and the nozzle is arranged on the side surface of the front end of the spray head.

Further, the luminous body is the diode, just the shower nozzle is the PVC material, the diode is inlayed in the shower nozzle.

Further, the support includes base and the vertical lifter of setting on the base, the lower extreme of base is provided with a plurality of universal wheels, just be provided with on the base for providing the battery of electric power, control panel passes through coupling mechanism and is connected with the lifter, coupling mechanism is including partly embracing clamp and bracing piece, the upper end of bracing piece with control panel fixed connection, the lower extreme is through partly embracing clamp and lifter chucking.

Further, the casing is including the main part and the upper cover that the chamber was held in the area, the upper cover lid closes the upper end of main part and realizes the opening of sealed main part upper end in order to form with holding the chamber cooperation the inner chamber, one side of upper cover with the main part is articulated, and the opposite side is provided with the locking mechanical system with main part swing joint, locking mechanical system is the hasp.

Further, still include the earplug with duct profile looks adaptation, the centre of earplug is provided with the mounting hole, just the catheter alternates in the mounting hole to realize supporting the catheter when the catheter passes in and out the duct, just set up a plurality of bleeder vents on the earplug for with inside and external intercommunication of duct, with the atmospheric pressure in the reduction duct.

Compared with the prior art, the medicine applying device for the otology department provided by the invention has the advantages that the structure is distinctive, the operation is convenient, the support is adjusted to the proper height, the spray head is ensured to be aligned with the auditory canal, the screw rod is driven to rotate through the motor so as to drive the nut seat to move along the length direction of the screw rod, the clamping mechanism moves synchronously with the nut seat, namely, the liquid guide pipe fixed on the clamping mechanism is driven to slide in the first channel, namely, the spray head is driven to enter and exit the auditory canal through the liquid guide pipe, preferably, the liquid guide pipe is a flexible pipe and has elasticity, the liquid guide pipe can deform and bend to change the direction when encountering the inner wall of the auditory canal, the pain or damage caused by hard conflict with the inner wall of the auditory canal is avoided, and after the spray head is driven to enter the auditory canal. The camera can clearly acquire images in the auditory canal and transmit the images to the display of the control panel for a doctor to observe and diagnose, and the doctor can control the spray head to move forward or backward by operating the control panel so as to comprehensively and finely inspect the auditory canal, so that misdiagnosis is effectively avoided, the doctor can diagnose conveniently, and the diagnosis efficiency and accuracy are improved;

in addition, after the diagnosis is confirmed, the spray head is controlled to enter the auditory canal, the patient part is accurately found by using the camera, the spray head is driven to reach the patient part by controlling the motor, then the head of the medical injector with the extracted liquid medicine is connected with the sleeve opening of the catheter, the medical injector is pushed to drive the liquid medicine to enter the catheter, the liquid medicine enters the spray head along the catheter and is sprayed to the patient part of the auditory canal from the spray head, the medicine applying condition of the patient part is observed by the camera, the too much or too little medicine is avoided, and after the medicine applying is finished, the motor is controlled to pull out the spray head;

the image information of the affected part in the auditory canal can be acquired and stored, so that comparison can be carried out in the subsequent treatment process, and the treatment condition can be accurately grasped;

the device greatly facilitates the diagnosis of the otology diseases by doctors, improves the quality and speed, also facilitates the quick and accurate medicine feeding of subsequent nursing personnel, ensures the medicine feeding quality and improves the treatment effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a top view of a drug delivery device for use in otology.

Fig. 2 is a sectional view B-B of the administration device for otology shown in fig. 1.

FIG. 3 is an enlarged view of a portion of the applicator device shown in FIG. 2 for ear application.

Fig. 4 is a schematic view showing an assembly structure of a clamping mechanism and a nut holder in a medicine feeding device for otology.

In the figure: 1. the liquid guide tube comprises a liquid guide tube, 2. a luminous body, 3. an earplug, 4. a first channel, 5. a shell, 501. a main body, 502. an upper cover, 503. an inner cavity, 6. a control panel, 7. a motor, 8. a screw rod, 9. a sliding rod, 10. a nut seat, 11. a supporting rod, 12. a half-holding hoop, 13. a lifting rod, 14. a battery, 15. a base, 16. a universal wheel, 17. a connecting lug, 18. a mandril, 19. a travel switch, 20. a camera, 21. the luminous body, 22. a nozzle, 23. a guide channel, 24. a nozzle, 25. a helical blade, 26. a bulge, 27. a locking mechanism, 28. a sleeve opening, 29. a clamping mechanism, 291. a fixed clamping block, 292. a movable clamping block, 293. a guide rod, 294. a nut, 295. a telescopic spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a medicine applying device for otology department as a preferred embodiment of the present invention includes a support, a housing 5 with an inner cavity 503 is hinged to the upper end of the support, both the lower end of the housing 5 and the upper end of the support are provided with connecting lugs 17, and both the connecting lugs 17 are provided with matching hinge holes, the hinge holes are used for inserting bolts and tightening nuts 294 to realize hinge, the angle can be adjusted by loosening the nuts 294, the support and the housing 5 are provided with a first channel 4 communicated with the inner cavity 503, the first channel 4 is inserted with a catheter 1, the cross-sectional dimension of the first channel 4 is larger than the diameter of the catheter 1 to facilitate the catheter 1 to slide in the first channel 4, the front end of the catheter 1 is connected with a spray head 24, specifically, the connecting end of the spray head 24 is in interference fit with the catheter 1, namely, the catheter 1 is sleeved on the connecting end, the connecting end of the spray head 24 is provided with an annular bulge 26, namely, the clamping of the catheter 1 is realized, the spray head 24 is prevented from being separated from the catheter 1 during the injection process, through the movable connection, the catheter 1 can be replaced by separating the spray head 24 from the catheter 1 after the catheter 1 is used, the sanitation of medical instruments is ensured, the pollution is avoided, the catheter 1 can be disposable, and the rear end is provided with a sleeve opening 28 connected with a medical injector, when the medicine is applied, the medicine liquid is only required to be drawn into the medical injector, the head of the medical injector is connected with the sleeve opening 28, the camera 20 and the luminous body 22 for providing the light source are fixed on the spray head 24, the camera 20 is illuminated by the illuminator 22 to facilitate clear images of the camera 20 entering the ear canal;

the controller is connected with the control panel 6, preferably, the controller is integrated with the control panel 6, the controller is electrically connected with the camera 20 and the luminous body 22, a display is arranged on the control panel 6, namely, the medical operation control panel 6 sends an instruction to the controller to control the camera 20 and the luminous body 21 to work, and an image acquired by the camera 20 is transmitted to the controller and is displayed on a display screen of the control panel 6 after being processed by the controller, so that a doctor can directly observe the image to facilitate diagnosis, the requirement on the vision of the doctor is met, and the labor amount in the diagnosis process of the doctor is reduced;

a driving part for driving the catheter 1 to slide along the first channel 4 is arranged in the shell 5, and a driving part is arranged in the shell 5 and used for driving the catheter 1 to slide in the first channel 4 so as to control the spray head 24 to enter and exit the auditory meatus of the patient, namely, the driving part is used for automatically controlling the catheter 1 to slide in the first channel 4;

the drive division is including articulating lead screw 8, slide bar 9 in the cavity and driving lead screw 8 pivoted motor 7, the cover is equipped with nut 294 seat 10 on the lead screw 8, just the lower extreme of nut 294 seat 10 is provided with the through-hole, slide bar 9 alternates in the through-hole and with through-hole sliding fit, spacing through lead screw 8 and slide bar 9, in order to realize nut 294 seat 10 can not swing at the in-process of following the motion of lead screw 8, specifically, lead screw 8 and slide bar 9 can horizontal direction parallel arrangement, also can vertical direction parallel arrangement, motor 7 passes through the speed reducer and is connected with lead screw 8, reduces the speed of the removal of nut 294 seat 10 through the speed reducer to convenient control also avoids the speed to cross and impairs the duct, just be provided with the clamping mechanism 29 who is used for connecting catheter 1 on nut 294 seat 10, motor 7 is connected with the controller electricity, in order to realize through control panel 6 control motor 7 rotate in order to drive catheter 1 slides in first passageway 4 (ii) a

Still include a pair of setting and be located the travel switch 19 at lead screw 8 or slide bar 9 both ends, travel switch 19 sets up on the lateral wall of inner chamber 503, and with travel switch 19 complex ejector pin 18 respectively in the both sides of nut 294 seat 10 direction of motion, travel switch 19 all is connected with motor 7 electricity through the controller, when nut 294 seat 10 moves the both ends of lead screw 8, ejector pin 18 pushes up and touches travel switch 19 to realize motor 7 stall, reach spacing effect, avoid nut 294 seat 10 striking casing 5, cause the damage, and it is above-mentioned travel switch 19 and ejector pin 18 and be prior art to describe, and concrete principle and installation are no longer repeated in detail.

By applying the medicine applying device for otology provided by the invention, the bracket is adjusted to a proper height to ensure that the spray head 24 is aligned with the auditory canal, the screw rod 8 is driven by the motor 7 to rotate so as to drive the nut 294 seat 10 to move along the length direction of the screw rod 8, the clamping mechanism 29 synchronously moves along with the nut 294 seat 10, namely, the catheter 1 fixed on the clamping mechanism 29 is driven to slide in the first channel 4, namely, the spray head 24 is driven to enter and exit the auditory canal by the catheter 1, preferably, the catheter 1 is a flexible tube and has elasticity, can deform and bend to change the direction when meeting the inner wall of the auditory canal, avoids hard collision with the inner wall of the auditory canal to cause pain or damage, and after the spray head 24 is driven to enter the auditory canal, the luminous body 21 on the spray head 24 is controlled by controlling the panel to perform illumination work, so as to. The camera 20 can clearly acquire images in the auditory canal and transmit the images to the display of the control panel 6 for a doctor to observe and diagnose, and the doctor can control the spray head 24 to move forward or backward to comprehensively and finely inspect the auditory canal by operating the control panel 6, so that misdiagnosis is effectively avoided, diagnosis of the doctor is greatly facilitated, and diagnosis efficiency and accuracy are improved;

in addition, after the diagnosis is confirmed, the spray head 24 is controlled to enter the auditory canal, the patient part is accurately found by using the camera 20, the spray head 24 is driven to reach the patient part by the control motor 7, then the head of the medical injector with the extracted liquid medicine is connected with the sleeve opening 28 of the catheter 1, the medical injector is pushed to drive the liquid medicine to enter the catheter 1, the liquid medicine enters the spray head 24 along the catheter 1 and is sprayed to the patient part of the auditory canal from the spray head 24, the medicine applying condition of the affected part is observed by the camera 20, the excessive or insufficient medicine applying is avoided, and after the medicine applying is completed, the motor 7 is controlled to pull out the spray head 24;

and can also obtain the image information of the affected part in the auditory canal and store the image information so as to compare the image information in the subsequent treatment process and accurately grasp the treatment condition.

For better technological effect, be provided with the draw-in groove on the lateral wall in catheter 1 outside, the draw-in groove extends in order to realize holding the electric wire between camera 20 and luminous body 22 and the controller along catheter 1's length direction, realizes promptly hiding the electric wire avoids the electric wire to cause the interference to 24 business turn over auricles of shower nozzle, and avoids electric wire and auricle contact, bruise auricle, in the use, only need with the electric wire from the upper end opening of draw-in groove put into can.

Specifically, as shown in fig. 4, the clamping mechanism 29 includes a telescopic spring 295, a movable clamp block 292, and a fixed clamp block 291 fixed on a nut 294 base 10, the movable clamp block 292 and the fixed clamp block 291 are horizontally arranged in parallel, a guide rod 293 is arranged at a lower end of the fixed clamp block 291, the guide rod 293 is horizontally arranged, the movable clamp block 292 is provided with a guide hole, one end of the guide rod 293 passes through the guide hole and is provided with an external thread at the end, and is screwed with a nut 294, the telescopic spring 295 is sleeved on the guide rod 293 and is located between the nut 294 and the movable clamp block 292, that is, by pulling the movable clamp block 292, a gap between the two clamp blocks is increased, so as to place the catheter 1, and when the movable clamp block 292 is pulled, the telescopic spring 295 is compressed, after the catheter 1 is placed between the two clamp blocks, the movable clamp block 292 is released, the movable clamping block 292 can clamp the liquid guide tube 1 under the pushing of the recovery deformation of the telescopic spring 295, the liquid guide tube is convenient and quick, preferably, grooves attached to the liquid guide tube 1 are formed in the surfaces, opposite to the movable clamping block 292 and the fixed clamping block 291, of the movable clamping block 292, so that when the liquid guide tube is clamped, the liquid guide tube 1 is located in the grooves, the contact area is increased, the clamping is more stable, and the liquid guide tube 1 is prevented from being clamped flatly through the grooves to influence the subsequent liquid medicine injection.

Preferably, spout 22 of shower nozzle 24 sets up in the side of self, and the equipartition all around, guarantees to cover comprehensively promptly, and when realizing the injection liquid medicine, the liquid medicine sprays to around simultaneously, shower nozzle 24 side sets up to outside protruding 26 arc, sets up to arc in order to avoid through the profile with shower nozzle 24 there is acute angle scratch duct in shower nozzle 24, and plays the effect of direction, conveniently passes in and out the duct.

In the above embodiment, be provided with the cavity with catheter 1 intercommunication in the shower nozzle 24, just the cavity is provided with helical blade 25 with the one end that catheter 1 faces, helical blade 25 articulates through the axis of rotation in the cavity, realizes promptly that the liquid medicine that flows out from catheter 1 directly strikes helical blade 25, just set up a plurality ofly in the shower nozzle 24 and be used for the intercommunication cavity and spout 22's guide channel 23 realizes flowing into through catheter 1 the liquid medicine drive of cavity helical blade 25 rotates in order to break up the liquid medicine and realize atomizing, avoids the disease portion in the large granule liquid medicine impact duct to cause pain or injury through atomizing the liquid medicine, also avoids large granule liquid medicine to gather at the duct bottom under the action of gravity when also avoiding injecting simultaneously, is unfavorable for the treatment to be in the sick portion on the duct lateral wall, also causes the duct pollution, and follows guide channel 23 discharges, i.e. the atomized liquid medicine is discharged from the spout 22 along the guide channel 23 directly to act on the inner wall of the ear canal.

For better technological effect, guide channel 23 sets up for the slope to avoid blockking the flow of atomizing liquid medicine, more specifically, guide channel 23 and inner chamber 503 in-connection helical blade 25's one end intercommunication, just spout 22 sets up the side at shower nozzle 24 front end, guarantees the smooth and easy that the liquid medicine flows, and can implement through camera 20 and observe the circumstances of adding medicine, realize accurate control and add medicine volume, avoid the liquid medicine extravagant promptly, also avoid the medicine volume too little to lead to putting the material effect poor.

In this embodiment, luminous body 22 is the diode, just shower nozzle 24 is the PVC material, the diode is inlayed in shower nozzle 24, when putting through diode circuit through controller control promptly, the diode is luminous, and because shower nozzle 24 is the PVC material, it has high light transmissivity to need to explain that the PVC material has, and the light that also the diode sent can see through shower nozzle 24 and disperse, the whole duct of illumination makes things convenient for camera 20 to shoot.

The support comprises a base 15 and a lifting rod 13 vertically arranged on the base 15, namely the height of the shell 5 is adjusted through the lifting rod 13, the spray head 24 is aligned to the auditory canal at a proper position, subsequent entering is facilitated, and comfort of a patient is guaranteed, a plurality of universal wheels 16 are arranged at the lower end of the base 15, the universal wheels 16 have a self-locking function, the universal wheels 16 are convenient to carry and use at different positions, a storage battery 14 for providing power is arranged on the base 15, the situation that the wires are pulled out randomly in the using process is avoided through the storage battery 14, the situation that the wires are touched by mistake is avoided, the using scene of the device is greatly expanded, whether a socket exists or not is not firstly determined, the control panel 6 is connected with the lifting rod 13 through a connecting mechanism, and the connecting mechanism comprises a half-clasping hoop 12 and a supporting rod 11, the upper end of bracing piece 11 with control panel 6 fixed connection, the lower extreme is through half hoop 12 and lifter 13 chucking of embracing, half hoop 12 is current standard spare part, no longer gives unnecessary detail again.

Specifically, the housing 5 includes a main body 501 with a containing cavity and an upper cover 502, the upper cover 502 is covered on the upper end of the main body 501 to seal the opening on the upper end of the main body 501 to form the inner cavity 503 in cooperation with the containing cavity, one side of the upper cover 502 is hinged to the main body 501, the other side of the upper cover 502 is provided with a locking mechanism 27 and is movably connected with the main body 501 through the locking mechanism 27, so as to facilitate replacement of the catheter 1, only when the catheter 1 is replaced, the locking mechanism 27 is opened, the upper cover 502 is rotated to place the catheter 1 into the containing cavity, the two ends are respectively inserted into the first channel 4, the middle part is fixed on the clamping mechanism 29, preferably, the first channel 4 is arranged on the main body 501, the upper end is provided with an opening, so as to greatly facilitate installation of the catheter 1, only the upper cover 502 is opened to straighten the catheter 1 and then place the catheter 1 into the first channel 4, the trouble of adopting the interlude is avoided, efficiency is improved, locking mechanism 27 is the hasp, the hasp is the standard product, and specific principle and installation are no longer detailed.

In one of them embodiment, still include the earplug 3 with duct profile looks adaptation, earplug 3 is flexible material, the centre of earplug 3 is provided with the mounting hole, just catheter 1 alternates in the mounting hole to the realization supports catheter 1 when catheter 1 business turn over duct, just set up a plurality of bleeder vents on earplug 3 for with inside and external intercommunication of duct, guarantee the circulation of gas and external air in the duct, with the atmospheric pressure in the reduction duct.

The device greatly facilitates the diagnosis of the otology diseases by doctors, improves the quality and speed, also facilitates the quick and accurate medicine feeding of subsequent nursing personnel, ensures the medicine feeding quality and improves the treatment effect.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A medicine feeding device for otology comprises a bracket and is characterized in that the upper end of the bracket is hinged with a shell (5) with an inner cavity (503), a first channel (4) communicated with the inner cavity (503) penetrates through the shell (5), a catheter (1) is inserted into the first channel (4), the front end of the catheter (1) is connected with a spray head (24), the rear end of the catheter is provided with a sleeve opening (28) connected with a medical injector, and a camera (20) and a luminous body (21) providing a light source are fixed on the spray head (24);

the controller is connected with the control panel (6), the controller is electrically connected with the camera (20) and the luminous body (21), and a display (601) is arranged on the control panel (6);

a driving part is arranged in the shell (5) and is used for driving the liquid guide pipe to slide in the first channel (4) so as to control the spray head (24) to enter and exit the auditory canal of the patient;

the driving part comprises a screw rod (8), a sliding rod (9) and a motor (7) which drives the screw rod (8) to rotate, the screw rod (8) is hinged in a cavity (503), a nut seat (10) is sleeved on the screw rod (8), a through hole is formed in the lower end of the nut seat (10), the sliding rod (9) penetrates through the through hole and is in sliding fit with the through hole, the motor (7) is connected with the screw rod (8) through a speed reducer, and a clamping mechanism used for connecting a liquid guide pipe (1) is arranged on the nut seat (10);

the nut seat is characterized by further comprising a pair of travel switches (19) arranged at two ends of the screw rod (8) or the slide rod (9), the travel switches (19) are arranged on the side wall of the inner cavity (503), ejector rods (18) matched with the travel switches (19) are respectively arranged on two sides of the nut seat (10) in the moving direction, and the travel switches (19) are electrically connected with the motor (7) through a controller.

2. The otological drug delivery device according to claim 1, wherein a slot (2) is provided on the lateral wall outside the catheter (1), the slot (2) extending along the length direction of the catheter (1) to accommodate the electrical wires between the camera (20) and the light (21) and the controller.

3. The medicine feeding device for the otology department as claimed in claim 1, wherein the clamping mechanism comprises a telescopic spring (295), a movable clamping block (292) and a fixed clamping block (291) fixed on a nut seat (10), one end of the fixed clamping block (291) is provided with a guide rod (293), the movable clamping block (292) is provided with a guide hole, one end of the guide rod (293) penetrates through the guide hole, the end is provided with an external thread and is screwed with a nut (294), the telescopic spring (295) is sleeved on the guide rod (293) and is positioned between the nut (294) and the movable clamping block (292), and the opposite surfaces of the movable clamping block (292) and the fixed clamping block (291) are provided with grooves attached to the liquid guide pipe (1).

4. The otological application device as recited in claim 1, wherein the spray nozzles (22) of the spray head (24) are arranged on a side surface thereof and are circumferentially and uniformly distributed, and the side surface of the spray head (24) is formed in an arc shape that protrudes outward.

5. The otological medicine feeding device according to claim 4, wherein a cavity communicated with the liquid guide tube (1) is arranged in the spray head (24), a spiral blade (25) is arranged at one end of the cavity opposite to the liquid guide tube (1), and a plurality of guide channels (23) communicated with the cavity and the spray nozzle (22) are arranged in the spray head (24), so that the liquid medicine flowing into the cavity through the liquid guide tube (1) drives the spiral blade (25) to rotate to break up the liquid medicine for atomization, and the liquid medicine is discharged along the guide channels (23).

6. The otological application device as recited in claim 5, wherein the guide passage (23) is formed to be inclined, the guide passage (23) communicates with an end of the inner chamber to which the spiral blade (25) is connected, and the nozzle (22) is provided at a side of a front end of the nozzle head (24).

7. The dispensing device for otology according to claim 1, characterized in that said light (21) is a diode and said nozzle (24) is of PVC, said diode being embedded in said nozzle (24).

8. The medicine feeding device for the otology department as claimed in claim 1, wherein the support comprises a base (15) and a lifting rod (13) vertically arranged on the base (15), the lower end of the base (15) is provided with a plurality of universal wheels (16), a storage battery (14) for providing power is arranged on the base (15), the control panel (6) is connected with the lifting rod (13) through a connecting mechanism, the connecting mechanism comprises a half-holding clamp (12) and a support rod (11), the upper end of the support rod (11) is fixedly connected with the control panel (6), and the lower end of the support rod is clamped with the lifting rod (13) through the half-holding clamp (12).

9. The otology medicine feeding device as recited in claim 8, wherein the housing (5) comprises a main body (501) with a containing cavity and an upper cover (502), the upper cover (502) covers the upper end of the main body (501) to seal the opening at the upper end of the main body (501) to form the inner cavity (503) in cooperation with the containing cavity, one side of the upper cover (502) is hinged with the main body (501), the other side is provided with a locking mechanism (27) movably connected with the main body (501), and the locking mechanism (27) is a buckle.

10. The medicine feeding device for the otology department as claimed in claim 1, further comprising an earplug (3) matched with the outline of the ear canal, wherein a mounting hole is formed in the middle of the earplug (3), the liquid guide tube (1) is inserted into the mounting hole so as to support the liquid guide tube (1) when the liquid guide tube (1) enters and exits the ear canal, and a plurality of air holes are formed in the earplug (3) so as to communicate the inside of the ear canal with the outside so as to reduce the air pressure in the ear canal.

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