CN219290420U

CN219290420U - Esophagus applicator

Info

Publication number: CN219290420U
Application number: CN202320696578.XU
Authority: CN
Inventors: 张刘平
Original assignee: Suining Central Hospital
Current assignee: Suining Central Hospital
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-07-04
Anticipated expiration: 2033-04-03

Abstract

The application discloses esophagus applicator belongs to the medical instrument field, including the liquid reserve tank, liquid reserve tank top end fixed mounting has inlet pipe and protection frame, equal fixed mounting in liquid reserve tank bottom four corners has the stabilizer blade, just liquid reserve tank one side fixed mounting has the mounting box, liquid reserve tank internal rotation is installed first bracing piece and the second bracing piece that is symmetrical distribution, just first bracing piece and the equal fixed cover of second bracing piece lateral wall are equipped with crushing roller, mounting box bottom inner wall fixed mounting has gear motor, just be equipped with the interlock subassembly between gear motor and the first bracing piece, gear motor output shaft end connection has stirring subassembly. This application plays the effect of smashing large granule medicine through gear motor, interlock subassembly and crushing roller's cooperation, helps avoiding large granule medicine to block up equipment, and through the setting of stirring subassembly, can make the abundant mixing of medicine, is favorable to keeping the drug effect of medicine.

Description

Esophagus applicator

Technical Field

The present application relates to the field of medical devices, and more particularly, to an esophageal applicator.

Background

Digestive system department is a clinical tertiary discipline which takes diseases such as esophagus, stomach, small intestine, large intestine, liver, gall and pancreas as main contents. The digestive system department has various diseases, wide medical knowledge and knowledge, and complex and fine operation; the esophagus is an important component of the digestive tract, the morbidity is high, and because the esophagus is positioned in the human body, the medicine liquid is inconvenient for people suffering from digestive system diseases for a long time to take, and a medicine feeder is generally used for spraying the medicine liquid.

The patent with the application number of 202022150272.3 discloses an esophagus applicator for gastroenterology, which comprises a case, a sealing end cover, a liquid storage tank, a medicine supply assembly, a supporting bracket, a throttling assembly and a spraying assembly, wherein the liquid storage tank is arranged in the case, the medicine supply assembly is arranged in the liquid storage tank, the sealing end cover is arranged on one side of the top end surface of the case, the supporting bracket is fixedly arranged on one side of the outer wall of the case through welding, the throttling assembly is arranged on one side of the outer part of the case, and the spraying assembly is connected and arranged on one side of the throttling assembly; the connecting end cover is fixedly arranged at one end of the medicine supply assembly, and one side of the connecting end cover is connected with a throttle pipe. This application not only can improve the mixed effect of liquid medicine to can filter the large granule medicine impurity in the liquid medicine, simultaneously, the flow regulation of liquid medicine is convenient, can improve the medicine spraying effect greatly.

To foretell relevant technique, filter out in the large granule medicine impurity in with the liquid medicine through the putty filter screen, but large granule medicine piles up on putty filter screen surface, probably makes putty filter screen jam, and the follow-up spraying of equipment is inconvenient, and the medicine stagnates and is kept possible to reduce the drug effect of liquid medicine, can not reach the treatment, has reduced the practicality of equipment.

Disclosure of Invention

In order to solve the problems, the application provides an esophagus applicator, which adopts the following technical scheme:

the utility model provides an esophagus medicine applicator, includes the liquid reserve tank, liquid reserve tank top end fixed mounting has inlet pipe and protection frame, liquid reserve tank bottom four corners all fixed mounting has the stabilizer blade, just liquid reserve tank one side fixed mounting has the mounting box, liquid reserve tank internal rotation is installed and is symmetrical distribution's first bracing piece and second bracing piece, just first bracing piece and second bracing piece lateral wall all fixed cover are equipped with crushing roller, mounting box bottom inner wall fixed mounting has gear motor, just be equipped with the interlock subassembly between gear motor and the first bracing piece, gear motor output shaft end connection has stirring subassembly;

the liquid suction pump is fixedly arranged in the protection frame, one end of the liquid suction pump is fixedly provided with a liquid suction pipe, one end of the liquid suction pipe, which is far away from the liquid suction pump, penetrates through the protection frame, one end of the liquid suction pipe penetrates through the protection frame and extends into the liquid storage box, the section of the liquid suction pipe is U-shaped, the other end of the liquid suction pump is fixedly provided with a liquid outlet pipe, one end of the liquid outlet pipe, which is far away from the liquid suction pump, is provided with a liquid delivery pipe, a connecting assembly is arranged between the liquid delivery pipe and the liquid outlet pipe, one end of the liquid delivery pipe, which is far away from the liquid outlet pipe, is fixedly provided with a coating head, and a cleaning assembly is arranged in the coating head.

Through adopting above-mentioned technical scheme, when this equipment was used, the staff drops into the liquid reserve tank with the medicine through the inlet pipe, between two crushing rollers, start gear motor later, gear motor passes through first bracing piece of interlock subassembly drive and second bracing piece rotation, first bracing piece and second bracing piece drive are with group crushing roller rotation, reach the effect of smashing large granule medicine, help avoiding the subsequent equipment of messenger's of large granule medicine to stop up, the medicine after smashing drops to the liquid reserve tank bottom, rotate through gear motor drive stirring subassembly, can stir the effect of medicine, make the medicine can intensive mixing, after the medicine is mixed, the staff selects suitable transfer line to be connected with the drain pipe through coupling assembling, afterwards, in leading into the drawing liquid pipe with the medicine of completion in the liquid reserve tank through the drawing liquid pump, afterwards, the medicine passes through the drain pipe and gets into in the transfer line, the medicine is through scribbling the medicine head spraying in patient wound department, and scribble the medicine head in be equipped with clean subassembly, through clean subassembly clean the through-up the through-hole on medicine head surface of scribbling, help avoiding the through-hole to appear blocking phenomenon, the subsequent spraying of medicine of equipment of being convenient for.

Further, the drive rim plate of gear motor output shaft lateral wall is located including fixed cover to the interlock subassembly, first bracing piece and second bracing piece are close to gear motor one end and all run through the mounting box, just the fixed cover of one end that the first bracing piece runs through the mounting box is equipped with driven rim plate, the cover is equipped with driving belt between drive rim plate and the driven rim plate, first bracing piece and second bracing piece run through mounting box one end lateral wall cover respectively and are equipped with drive gear and driven gear, just drive gear and driven gear engagement.

Through adopting above-mentioned technical scheme, through gear motor drive rim plate rotation, the driven rim plate of drive rim plate through driving belt drive rotates, and driven rim plate drive first bracing piece and drive gear synchronous rotation, and drive gear drive driven gear rotates, and driven gear drive second bracing piece rotates, and first bracing piece and second bracing piece drive are with the roller rotation of smashing of group, can reach the effect of smashing large granule medicine, help avoiding equipment to appear the phenomenon of jam.

Further, two scrapers which are symmetrically distributed are fixedly arranged in the liquid storage tank, the two scrapers are positioned below the two crushing rollers, and the two scrapers are in contact with the side walls of the crushing rollers in the same group.

Through adopting above-mentioned technical scheme, two scrapers set up in crushing roller below, when crushing roller rotates, the scraper blade contacts with crushing roller lateral wall, can play the effect of clean crushing roller, and the medicament of being convenient for falls into the liquid reserve tank bottom.

Further, the stirring subassembly includes fixed mounting in the dwang of gear motor output shaft tip, the dwang is kept away from gear motor one end and is rotated and run through the liquid reserve tank, just the dwang runs through liquid reserve tank one end and liquid reserve tank and is kept away from one side inner wall rotation of mounting box and be connected, the dwang runs through the one end lateral wall fixed cover of liquid reserve tank and is equipped with two and be symmetrical distribution stirring flabellum, just dwang lateral wall fixed mounting has the multiunit to be the stirring board that annular array distributes, the stirring board is located between two stirring flabellums.

Through adopting above-mentioned technical scheme, through gear motor drive dwang rotation, dwang drive stirring flabellum and stirring board synchronous rotation can reach the effect that the stirring was mixed and is made the medicament, makes the medicament can intensive mixing, the follow-up spraying medicament of equipment of being convenient for.

Further, the connecting assembly comprises a connecting pipe fixedly arranged on the inner wall of the liquid outlet pipe, the infusion tube is sleeved on the side wall of the connecting pipe, and the side wall of the connecting pipe is fixedly sleeved with a sealing ring which is in linear distribution.

Through adopting above-mentioned technical scheme, the staff locates connecting pipe lateral wall with transfer line one end cover, can reach the effect of concatenation transfer line and drain pipe, and the connecting pipe lateral wall passes through the setting of sealing washer, has not only improved the stability of transfer line installation, and has improved the leakproofness of transfer line installation.

Further, the cleaning component comprises a mounting plate fixedly mounted on the inner wall of the infusion tube, a supporting rod is rotatably mounted on one side, away from the protective frame, of the mounting plate, the supporting rod extends into the medicine applying head, a turbine blade is fixedly sleeved on one section of side wall of the supporting rod, which is close to the mounting plate, and a plurality of groups of brush rods distributed in an annular array are fixedly mounted on the side wall of the supporting rod.

Through adopting above-mentioned technical scheme, turbine leaf rotates under the drawing and pressing of drawing liquid pump or the promotion of medicament velocity of flow, and turbine leaf drive branch and brush pole synchronous rotation can reach the effect of clean application head, helps avoiding the phenomenon that the application head appears blockking up in the use.

Further, a plug is arranged at the top end of the feeding pipe, the section of the plug is T, and the diameter of the lower section of the plug is the same as the inner diameter of the feeding pipe.

Through adopting above-mentioned technical scheme, after the medicine drops into the completion, the staff places the end cap in the inlet pipe, reaches the effect of sealed inlet pipe, helps avoiding the dust to get into in the liquid reserve tank.

In summary, the present application includes the following beneficial technical effects:

(1) In this application, gear motor passes through first bracing piece of interlock subassembly drive and the synchronous rotation of second bracing piece, makes two crushing roller relative rotation, reaches the effect of smashing large granule medicine, and through the setting of stirring subassembly, plays the effect of stirring mixed medicine, makes the medicine can be abundant mix, and the follow-up patient spraying medicament that is of the equipment of being convenient for has improved the practicality of equipment.

(2) In this application, through the setting of clean subassembly, drive turbine leaf under the promotion of atmospheric pressure and medicine and take branch and brush pole synchronous rotation, can play the effect of clean application of medicine head surface through-hole, help avoiding the application of medicine head to appear the phenomenon of jam at the application in-process, be favorable to improving the application effect of equipment.

Drawings

FIG. 1 is a schematic view of an esophageal applicator;

FIG. 2 is an enlarged view of FIG. 1A of the present application;

FIG. 3 is a cross-sectional view of the present application;

FIG. 4 is an enlarged view of B of FIG. 3 of the present application;

fig. 5 is an exploded view of the linkage assembly and stirring assembly of the present application.

The reference numerals in the figures illustrate:

1. a liquid storage tank; 2. a liquid outlet pipe; 3. a plug; 4. a feed pipe; 5. a protective frame; 6. a liquid suction pipe; 7. a mounting box; 8. an applicator head; 9. an infusion tube; 10. a connecting pipe; 11. a liquid pump; 12. a pulverizing roller; 13. a scraper; 14. stirring fan blades; 15. a rotating lever; 16. a stirring plate; 17. a drive gear; 18. a driven wheel disc; 19. a first support bar; 20. a drive belt; 21. a driving wheel disc; 22. a speed reducing motor; 23. a driven gear; 24. a second support bar; 25. a mounting plate; 26. turbine blades; 27. a support rod; 28. a brush rod.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The present application is described in further detail below in conjunction with figures 1-5.

Referring to fig. 1-5, an esophagus applicator comprises a liquid storage tank 1, a feeding pipe 4 and a protection frame 5 are fixedly installed at the top end of the liquid storage tank 1, supporting legs are fixedly installed at four corners of the bottom end of the liquid storage tank 1, an installation box 7 is fixedly installed at one side of the liquid storage tank 1, a first supporting rod 19 and a second supporting rod 24 which are symmetrically distributed are installed in the inner rotation mode, a crushing roller 12 is fixedly sleeved on the side wall of the first supporting rod 19 and the side wall of the second supporting rod 24, a speed reducing motor 22 is fixedly installed on the inner wall of the bottom end of the installation box 7, a linkage assembly is arranged between the speed reducing motor 22 and the first supporting rod 19, the linkage assembly comprises a driving wheel disc 21 fixedly sleeved on the side wall of an output shaft of the speed reducing motor 22, one end of the first supporting rod 19 and one end of the second supporting rod 24 are close to the speed reducing motor 22 and penetrate through the installation box 7, a driven wheel disc 18 is fixedly sleeved on one end of the first supporting rod 19, a transmission belt 20 is sleeved between the driving wheel disc 21 and the driven wheel disc 18, the side wall of the first supporting rod 19 and one end of the second supporting rod 24 is respectively sleeved with a driving gear 17 and a driven gear 23, the driving gear 17 and the top end of the driven gear 23 are meshed with the driving gear 4, the diameter of the driving wheel 4 is 3 ', and the diameter of a plug head end of the feeding pipe 3 is 3' is the same as the diameter of an inner plug 4 section of the feeding pipe section.

When the equipment is used, a worker inputs medicines into the liquid storage tank 1 through the feed pipe 4, the medicines fall between the two crushing rollers 12, then a gear motor 22 is started, a driving wheel disc 21 is driven to rotate through the gear motor 22, a driving wheel disc 21 drives a driven wheel disc 18 to rotate through a transmission belt 20, the driven wheel disc 18 drives a first supporting rod 19 and a driving gear 17 to synchronously rotate, the driving gear 17 drives a driven gear 23 to rotate, the driven gear 23 drives a second supporting rod 24 to rotate, the first supporting rod 19 and the second supporting rod 24 drive the same group of crushing rollers 12 to rotate, the effect of crushing large-particle medicines can be achieved, two symmetrically distributed scrapers 13 are fixedly arranged in the liquid storage tank 1 and positioned below the two crushing rollers 12, the two scrapers 13 are in contact with the side walls of the same group of crushing rollers 12, the two scrapers 13 are arranged below the crushing rollers 12, when the crushing rollers 12 rotate, the scrapers 13 are in contact with the side walls of the crushing rollers 12, the effect of cleaning the crushing rollers 12 can be achieved, and the medicines fall into the bottom of the liquid storage tank 1.

The gear motor 22 output shaft end connection has stirring subassembly, stirring subassembly includes fixed mounting in the dwang 15 of gear motor 22 output shaft end, gear motor 22 one end is kept away from to dwang 15 rotates and runs through liquid reserve tank 1, and dwang 15 runs through liquid reserve tank 1 one end and liquid reserve tank 1 and keep away from one side inner wall rotation connection of mounting box 7, dwang 15 runs through the fixed cover of one end lateral wall of liquid reserve tank 1 and is equipped with two stirring flabellum 14 that are symmetric distribution, and dwang 15 lateral wall fixed mounting has the multiunit to be the stirring board 16 that the annular array distributes, stirring board 16 is located between two stirring flabellums 14, the medicine after smashing falls to liquid reserve tank 1 bottom, drive dwang 15 through gear motor 22 rotates, dwang 15 drive stirring flabellum 14 and stirring board 16 synchronous rotation, can reach the effect that the stirring mixes manufacturing medicament, make the medicament can the intensive mixing, the follow-up spraying medicament of equipment of being convenient for.

The protection frame 5 internal fixation has the drawing liquid pump 11, drawing liquid pump 11 one end fixed mounting has drawing liquid pipe 6, and drawing liquid pipe 6 is kept away from drawing liquid pump 11 one end and runs through protection frame 5, drawing liquid pipe 6 runs through protection frame 5 one end and extends to in the liquid reserve tank 1, and drawing liquid pipe 6 cross-section is "U" shape, drawing liquid pump 11 other end fixed mounting has drain pipe 2, and drawing liquid pump 11 one end is kept away from to drain pipe 2 is equipped with transfer line 9, and be equipped with coupling assembling between transfer line 9 and the drain pipe 2, coupling assembling includes fixed mounting in the connecting pipe 10 of drain pipe 2 inner wall, transfer line 9 cover is located the connecting pipe 10 lateral wall, and the fixed cover of connecting pipe 10 lateral wall is equipped with the sealing washer that is sharp distribution, staff locates connecting pipe 10 lateral wall with transfer line 9 one end cover, can reach the effect of concatenation transfer line 9 and drain pipe 2, and the setting of connecting pipe 10 lateral wall through the sealing washer, not only improved the stability of transfer line 9 installation, and improved the leakproofness of transfer line 9 installation, afterwards, through drawing liquid pump 11 with the mixed medicament introduction into drawing liquid reserve tank 6 of 1 in the case, afterwards, get into in the transfer line 9 through drain pipe 2, pass through the drain pipe 9, pass through spraying 9, the medicine head 8 is scribbled in the patient.

The transfer line 9 keeps away from drain pipe 2 one end fixed mounting and has scribbles medicine head 8, and be equipped with clean subassembly in the medicine head 8, clean subassembly includes mounting panel 25 of fixed mounting in transfer line 9 inner wall, mounting panel 25 is kept away from protection frame 5 one side and is rotated and install branch 27, and branch 27 extends to in the medicine head 8, branch 27 is close to the fixed cover of mounting panel 25 one section lateral wall and is equipped with turbine leaf 26, and branch 27 lateral wall fixed mounting has the multiunit to be annular array brush pole 28 that distributes, when equipment spraying medicament, turbine leaf 26 is rotated under the push of the drawing pressure of drawing liquid pump 11 or medicament velocity of flow, turbine leaf 26 drive branch 27 and brush pole 28 synchronous rotation, can reach the effect of clean medicine head 8, help avoiding medicine head 8 to appear the phenomenon of jam in the use.

The implementation principle of the embodiment of the application is as follows: when the device is used, a worker inputs medicines into the liquid storage tank 1 through the feeding pipe 4, the medicines fall between the two crushing rollers 12, then the gear motor 22 is started, the gear motor 22 drives the first support rod 19 and the second support rod 24 to rotate through the linkage assembly, the first support rod 19 and the second support rod 24 drive the same group of crushing rollers 12 to rotate, the effect of crushing large-particle medicines is achieved, the subsequent blocking of the large-particle medicines is avoided, the crushed medicines fall to the bottom of the liquid storage tank 1, the stirring assembly is driven to rotate through the gear motor 22, the medicines can be stirred, the medicines can be fully mixed, after the medicine mixing is completed, the worker selects a proper infusion tube 9 to be connected with the liquid outlet tube 2 through the connecting assembly, then the mixed medicines in the liquid storage tank 1 are led into the liquid suction tube 6 through the liquid suction pump 11, then the medicines enter the infusion tube 9 through the liquid outlet tube 2, the medicines are sprayed on the wound of a patient through the medicine head 8, and the cleaning assembly is arranged in the medicine head 8, the through holes on the surface of the medicine head 8 are cleaned through the cleaning assembly, the blocking phenomenon of the through holes can be avoided, and the subsequent spraying of the medicine can be conveniently performed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An esophagus applicator, comprising a liquid storage tank (1), characterized in that: the novel grinding machine comprises a liquid storage tank (1), wherein a feeding pipe (4) and a protective frame (5) are fixedly arranged at the top end of the liquid storage tank (1), supporting legs are fixedly arranged at four corners at the bottom end of the liquid storage tank (1), an installation box (7) is fixedly arranged at one side of the liquid storage tank (1), a first supporting rod (19) and a second supporting rod (24) which are symmetrically distributed are rotatably arranged in the liquid storage tank (1), grinding rollers (12) are fixedly sleeved on the side walls of the first supporting rod (19) and the second supporting rod (24), a speed reducing motor (22) is fixedly arranged on the inner wall of the bottom end of the installation box (7), a linkage assembly is arranged between the speed reducing motor (22) and the first supporting rod (19), and a stirring assembly is connected to the end part of an output shaft of the speed reducing motor (22);

the utility model discloses a liquid pump, including protection frame (5), protection frame (5) internal fixation has drawing liquid pump (11), drawing liquid pump (11) one end fixed mounting has drawing liquid pipe (6), just drawing liquid pipe (6) keep away from drawing liquid pump (11) one end and run through protection frame (5), drawing liquid pipe (6) run through protection frame (5) one end and extend to in liquid reserve tank (1), just drawing liquid pipe (6) cross-section is "U" shape, drawing liquid pump (11) other end fixed mounting has drain pipe (2), just drawing liquid pipe (2) are kept away from drawing liquid pump (11) one end and are equipped with transfer line (9), just be equipped with coupling assembling between transfer line (9) and drain pipe (2), transfer line (9) are kept away from drain pipe (2) one end fixed mounting and are had medicine head (8), just be equipped with clean subassembly in medicine head (8).

2. An esophageal applicator as defined in claim 1, wherein: the linkage assembly comprises a driving wheel disc (21) fixedly sleeved on the side wall of an output shaft of the gear motor (22), one end of a first supporting rod (19) and one end of a second supporting rod (24) close to the gear motor (22) are penetrated through the mounting box (7), one end of the first supporting rod (19) penetrating through the mounting box (7) is fixedly sleeved with a driven wheel disc (18), a driving belt (20) is sleeved between the driving wheel disc (21) and the driven wheel disc (18), and one end side wall of the first supporting rod (19) and one end side wall of the second supporting rod (24) penetrating through the mounting box (7) are respectively sleeved with a driving gear (17) and a driven gear (23), and the driving gear (17) is meshed with the driven gear (23).

3. An esophageal applicator as defined in claim 1, wherein: two scraping plates (13) which are symmetrically distributed are fixedly arranged in the liquid storage tank (1), the two scraping plates (13) are positioned below the two crushing rollers (12), and the two scraping plates (13) are in contact with the side walls of the crushing rollers (12) in the same group.

4. An esophageal applicator as defined in claim 1, wherein: the stirring assembly comprises a rotating rod (15) fixedly mounted at the end part of an output shaft of a gear motor (22), one end of the rotating rod (15) away from the gear motor (22) rotates to penetrate through a liquid storage tank (1), the rotating rod (15) penetrates through one end of the liquid storage tank (1) and is rotationally connected with the inner wall of one side, far away from a mounting box (7), of the liquid storage tank (1), two stirring blades (14) which are symmetrically distributed are fixedly sleeved on one end side wall of the rotating rod (15) in a penetrating mode, a plurality of groups of stirring plates (16) which are distributed in an annular array are fixedly mounted on the side wall of the rotating rod (15), and the stirring plates (16) are located between the two stirring blades (14).

5. An esophageal applicator as defined in claim 1, wherein: the connecting assembly comprises a connecting pipe (10) fixedly arranged on the inner wall of the liquid outlet pipe (2), the infusion pipe (9) is sleeved on the side wall of the connecting pipe (10), and a sealing ring which is in linear distribution is fixedly sleeved on the side wall of the connecting pipe (10).

6. An esophageal applicator as defined in claim 1, wherein: the cleaning component comprises a mounting plate (25) fixedly mounted on the inner wall of the infusion tube (9), a supporting rod (27) is rotatably mounted on one side, away from the protective frame (5), of the mounting plate (25), the supporting rod (27) extends into the medicine applying head (8), a section of side wall of the supporting rod (27) close to the mounting plate (25) is fixedly sleeved with a turbine blade (26), and a plurality of groups of brush rods (28) distributed in an annular array are fixedly mounted on the side wall of the supporting rod (27).

7. An esophageal applicator as defined in claim 1, wherein: the top end of the feeding pipe (4) is provided with a plug (3), the cross section of the plug (3) is T, and the diameter of the lower section of the plug (3) is the same as the inner diameter of the feeding pipe (4).