Anus medicine applying and applying device suitable for local treatment of ulcerative colitis

Abstract

The invention discloses an anus medicine applying and applying device suitable for ulcerative colitis local treatment, and relates to the technical field of medical instruments, the anus medicine applying and applying device comprises a mechanism cylinder, a first storage cylinder and a second storage cylinder, the first storage cylinder and the second storage cylinder are detachably installed on the outer side of the mechanism cylinder and distributed front and back, and the lower side of the first storage cylinder and the lower side of the second storage cylinder are each provided with a notch; a ventilation seat and a handle are fixedly connected to the lower side of the mechanism barrel from front to back through notches, a moving mechanism is arranged on the inner side of the mechanism barrel, a fixing mechanism is arranged on the front side of the moving mechanism, a replacement part is arranged on the outer side of the fixing mechanism, and the first storage barrel and the second storage barrel do not affect movement of the replacement part. According to the anus medicine applying and applying device suitable for the local treatment of ulcerative colitis, the structural valve is expanded by pulling the pull ring, then the structural valve can be tightly attached to the inner wall of the anus after the rubber sleeve and the structural valve are inserted into the anus, the structural valve is used for applying ointment while the ointment is squeezed out, and the ointment applying effect is good. The medicine applying capability is improved.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to an anal medication application device suitable for the local treatment of ulcerative colitis. Background Technology

[0002] Ulcerative colitis is a chronic, nonspecific inflammatory bowel disease that primarily affects the colon and rectum. In the treatment of ulcerative colitis (rectal type), medication delivery devices are often used to deliver ointments, enemas, or suppositories into the patient's anus to achieve topical medication treatment.

[0003] Chinese patent document CN120242281A discloses an anal medication application device suitable for local treatment of ulcerative colitis, relating to the field of medical devices. It solves the problem of existing anal medication application devices being difficult to operate. The device includes: a device housing and an injection tube installed at the end of the device housing; a grip is provided on the outer side of the device housing; and a rubber piston is slidably installed on the inner side of the device housing. It also includes a drug delivery mechanism to improve the convenience of applying medication through the injection tube; the drug delivery mechanism is installed between the device housing and the grip. This invention, through the drug delivery mechanism, can position the thrust of the rubber piston on the outer side of the device housing, creating an L-shaped structure between the device housing and the grip, making it easier for the patient to insert the syringe into the anus with one hand. This makes it suitable for patients of various body types, solving the problem of traditional medication application devices being difficult to operate, reducing the pain of medication application for patients, and thus improving the convenience of anal medication application.

[0004] The existing technology has the following problems: Existing medication dispensing facilities often use a direct push method, resulting in the ointment accumulating in a small area of ​​the patient's rectum. This makes it difficult to apply the ointment evenly and stably over a large area. In addition, the pushed ointment is relatively concentrated, making it difficult to effectively distribute it to the rectal wall. Furthermore, contraction of the anal sphincter can carry some of the medication out of the body, resulting in waste. Summary of the Invention

[0005] The main objective of this invention is to provide an anal medication application device suitable for the local treatment of ulcerative colitis, which can effectively solve the problems of concentrated ointment, narrow application area, and easy squeezing out by the anal sphincter after anal medication application.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: An anal medication application device suitable for local treatment of ulcerative colitis includes a main body and a first and a second receiving tube, which are detachably mounted on the outside of the main body and distributed front to back. Both the first and second receiving tubes have notches on their lower sides. A vent seat and a handle are fixedly connected from front to back on the lower side of the main body through the notches. A moving mechanism is provided on the inner side of the main body, a fixing mechanism is provided on the front side of the moving mechanism, and a replacement part is provided on the outer side of the fixing mechanism. The moving mechanism is used to move the replacement part in and out of the inner side of the main body. The first and second receiving tubes do not affect the movement of the replacement part.

[0007] Preferably, the replacement part includes an installation tube and an annular plate fixedly connected to the front side of the installation tube. The outer side of the annular plate is rotatably connected to a plurality of annularly distributed hemispherical structural petals. Each of the structural petals has a plurality of evenly distributed holes for the ointment to flow out. A rubber membrane sleeve that does not block the holes is fixedly sleeved on the outer side of the structural petal. The rubber membrane sleeve forms a cavity inside the installation tube that guides the structural petal without affecting the rotation of the structural petal. The rubber sleeve is fixedly connected to the outer side of the installation tube.

[0008] Preferably, the fixing mechanism includes a central tube, a limiting plate fixedly connected to the front of the outer side of the central tube, a ring fixedly connected to the rear of the outer side of the central tube, and a movable cylinder slidably connected to the outer side of the central tube. The movable cylinder is located between the limiting plate and the ring, and the central tube and the movable cylinder cannot rotate relative to each other. Several annularly distributed support plates located outside the movable cylinder are slidably connected between the limiting plate and the ring, and can only move closer to or further away from each other. A rubber sleeve is located outside the support plates, and several annularly distributed slat tubes placed between the support plates are fixedly connected to the inner side of the rubber sleeve. A rubber insert sleeve fitted inside the mounting tube is fixedly connected to the front end of the central tube.

[0009] Preferably, the moving mechanism includes a mounting base detachably connected to the rear end of the central tube and a piston assembly rotatably connected to the inner side of the mounting base for pushing the ointment. A pneumatic sleeve is fixedly connected to the outer side of the mounting base near the front side. A push ring that is pneumatically driven to move back and forth is fixedly connected to the front side of the pneumatic sleeve. Several annularly distributed top racks are fixedly connected to the outer side of the moving cylinder in a strip groove. Several moving racks that mesh with the top racks and are sleeved in the strip groove are fixedly connected to the inner side of several support plates. A straight spring that drives the moving cylinder to move backward is fixedly connected to the rear side of the limiting plate. Several annularly distributed push rods that pass through the rear wall of the ring sleeve and contact the front side of the push ring are fixedly connected to the rear side of the moving cylinder. Several spring coils located on the outer side of the moving cylinder and distributed back and forth are sleeved through annular holes on the side of the support plate near the central tube.

[0010] Preferably, the inner side of the mechanism cylinder is fixedly connected with several annularly distributed spiral guide rails, the outer side of the mounting base is slidably connected to the inner side of the spiral guide rails via a round shaft, the rear side of the mounting base is rotatably connected with a rotating plate, the outer side of the mechanism cylinder is fixedly connected with several annularly distributed first pneumatic rods, the rear movable end of the first pneumatic rod is fixedly connected with a ring plate, the rotating plate and the ring plate are fixedly connected together by a long rod, the outer side of the pneumatic sleeve is movably sleeved with a pull sleeve, and the outer side of the pull sleeve is provided with a needle roller that contacts the spiral guide rail near the piston assembly.

[0011] Preferably, a rigid ring is fixedly connected to the rear end of the rubber sleeve, and a pull rod is fixedly connected to the middle of the rear side of each of the structural petals. A pull rope passing through the inside of the slat tube is fixedly connected to the rear end of each of the pull rods. A pull ring for driving the structural petals to separate is fixedly connected to the rear end of the pull rope and placed behind the rigid ring. A number of annularly distributed balls for engaging with the ball grooves on the outer side of the pull sleeve near the front side are fitted through a capsule-shaped hole. A number of elastically driven top blocks for limiting the separation of the balls are fixedly connected to the outer side of the pull sleeve near the front side. A disengagement groove for the top blocks to move is opened on the side of each of the spiral guides near the front side of the pull sleeve.

[0012] Preferably, the rear side of the pneumatic sleeve is pneumatically driven to move back and forth. The outer side of the mechanism cylinder is rotatably connected to two torsion spring driven winding wheels distributed on the left and right. The inner side of each of the two winding wheels is wound with a vent pipe whose movable end enters the interior of the mechanism cylinder from the rear side and is fixedly connected to the rotating plate. A flexible hose connecting the inner cavity of the vent pipe is provided between the component on the winding wheel that supports the winding wheel and the mechanism cylinder. The rear side of the mounting base and the front side of the rotating plate are each provided with two interconnected air chambers, which are respectively connected to the pneumatic components that move in two directions on the pneumatic sleeve. An air passage connecting the vent seat and the first pneumatic rod, as well as the vent seat and the flexible hose, is provided inside the bottom of the side wall of the mechanism cylinder, and an electrically controlled valve is provided to control the opening and closing of each passage.

[0013] Preferably, the piston assembly includes a piston rod fixedly connected to a circular hole in the middle of the rear wall of the mechanism cylinder, and a feed chamber and an injection chamber distributed vertically inside the piston rod, as well as a first piston block fixedly connected to the front end of the piston rod. The front ends of the feed chamber and the injection chamber are connected through a vertical hole. A through hole is provided at the bottom front side of the first piston block. A first anti-reverse valve is fixedly connected to the circular hole on the front side of the piston rod to isolate the injection chamber and the through hole. An injection tube located on the front side of the piston rod is detachably connected to the inner side of the mounting base. A second anti-reverse valve communicating with the feed chamber is fixedly connected to the outer side of the piston rod at a position between the mechanism cylinder and the ring plate. A second piston block is slidably connected to the inner side of the injection chamber. A pipe connection seat for venting air into the injection chamber is fixedly connected to the rear side of the piston rod. A hole is provided on the rear surface of the mechanism cylinder for the circular rod between the rotating plate and the ring plate to move and for the venting pipe to pass through.

[0014] Preferably, a gas heating tank is detachably installed on the lower side of the mechanism cylinder, located in front of the handle, through a notch. Several annularly distributed second pneumatic rods are fixedly connected to the outer side of the mechanism cylinder near the front. The front movable ends of the several second pneumatic rods are all fixedly connected to jet arc plates. The rear side of the second pneumatic rod is connected to the outer side of the gas heating tank through a hose. The rods on the second pneumatic rods that are connected to the jet arc plates are hollow rods. The gas ejected from the gas heating tank enters the jet arc plates through the hollow rods after driving the jet arc plates to move.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. This invention provides an anal medication application device suitable for local treatment of ulcerative colitis. Based on the cooperation of a moving mechanism, mounting base, pneumatic sleeve, push ring, pull sleeve, spiral guide rail, rotating plate, pull plate, first pneumatic rod, replacement part, mounting tube, ring plate, structural flap, rubber membrane sleeve, pull rod, pull rope, rubber sleeve, plate tube, rigid ring, and pull ring, pulling the pull ring expands the structural flap. This allows the structural flap to adhere tightly to the anal wall after insertion of the rubber sleeve and structural flap into the anus. Simultaneously, the structural flap applies the ointment while it is being squeezed out, improving medication application efficiency. The ointment is evenly distributed, preventing it from piling up and being squeezed out by the anal sphincter.

[0016] 2. This invention provides an anal medication application device suitable for local treatment of ulcerative colitis. Based on the cooperation of the mounting base, pneumatic sleeve, push ring, fixing mechanism, central tube, limiting plate, ring sleeve, support plate, moving cylinder, top rack, moving rack, spring ring, straight spring, push rod and rubber insert, mounting tube and rubber sleeve, the moving cylinder is moved by pneumatic control to realize the expansion and contraction of the support plate, thereby realizing the rapid assembly of the rubber sleeve, which facilitates the installation and disassembly of the replacement part.

[0017] 3. This invention provides an anal medication application device suitable for local treatment of ulcerative colitis. Based on the cooperation of the injection tube, piston assembly, piston rod, first piston block, second piston block, first anti-reverse valve, second anti-reverse valve, injection chamber and feeding chamber, by setting the injection chamber and feeding chamber on the piston rod, the piston rod can act as a rod to push the ointment and also as a suction tube, realizing the dual purpose of pushing ointment and enema fluid.

[0018] 4. This invention provides an anal medication application device suitable for local treatment of ulcerative colitis. Based on the cooperation of a gas heating tank, a second pneumatic rod, and a jet arc plate, and through the special design of the second pneumatic rod structure, the jet arc plate can be moved out, jetted, and stored using a single gas delivery channel. This facilitates heating of the rubber sleeve while reducing the overall space occupied. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention in its top view during storage. Figure 2 This is a three-dimensional structural diagram of the present invention when viewed from below during storage; Figure 3 This is a partial cross-sectional three-dimensional structural schematic diagram of the present invention; Figure 4 This is a partial cross-sectional three-dimensional structural diagram of the mechanism cylinder portion of the present invention; Figure 5 This is a partial cross-sectional three-dimensional structural diagram of the mounting pipe portion of the present invention; Figure 6 This is a partial cross-sectional three-dimensional structural diagram of the support plate portion of the present invention; Figure 7 This is a partial cross-sectional three-dimensional structural diagram of the fixing mechanism part of the present invention; Figure 8 This is a partial cross-sectional three-dimensional structural diagram of the mounting base portion of the present invention; Figure 9 This is a partial cross-sectional three-dimensional structural diagram of the spiral guide rail portion of the present invention; Figure 10 This is a three-dimensional structural diagram of the mechanism cylinder portion of the present invention; Figure 11 This is a partial cross-sectional three-dimensional structural diagram of the ring plate portion of the present invention; Figure 12 This is a partial cross-sectional three-dimensional structural diagram of the pull rope part of the present invention; Figure 13 For the present invention Figure 9 Enlarged structural diagram of part A; Figure 14This is a partial cross-sectional three-dimensional structural diagram of the piston assembly portion of the present invention.

[0020] In the diagram: 1. Mechanism cylinder; 2. Handle; 3. Vent seat; 4. Moving mechanism; 41. Mounting seat; 42. Pneumatic sleeve; 43. Push ring; 44. Pull sleeve; 45. Spiral guide rail; 46. Rotating plate; 47. Ring plate; 48. First pneumatic rod; 49. Piston assembly; 491. Piston rod; 492. First piston block; 493. Second piston block; 494. First anti-backflow valve; 495. Second anti-backflow valve; 496. Injection chamber; 497. Feed chamber; 410. Winding wheel; 411. Vent pipe; 412. Ball bearing; 413. Top block; 414. Disengagement groove; 5. Fixing mechanism; 51. Central tube; 52. Limiting plate; 53. Ring sleeve; 54. Support plate; 55. Moving cylinder; 56. Top rack; 57. Moving rack; 58. Spring ring; 59. Straight spring; 510. Push rod; 511. Rubber insert; 6. Replacement part; 61. Mounting tube; 62. Ring plate; 63. Structural flap; 64. Rubber diaphragm sleeve; 65. Pull rod; 66. Pull rope; 67. Rubber sleeve; 68. Slat tube; 69. Rigid ring; 610. Pull ring; 7. Gas heating tank; 8. Injection tube; 9. Second pneumatic rod; 10. Jet arc plate; 11. First storage cylinder; 12. Second storage cylinder. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0022] Example 1, as Figures 1-4 As shown, an anal medication application device suitable for local treatment of ulcerative colitis includes a mechanism cylinder 1 and two detachably mounted front-to-back receiving cylinders 11 and 12 on the outside of the mechanism cylinder 1. The first receiving cylinder 11 and the second receiving cylinder 12 are snapped onto the outside of the mechanism cylinder 1 to gather the tubing on the device, preventing tangling during storage or damage to the protruding parts of the mechanism cylinder 1 due to compression. The lower sides of both the first receiving cylinder 11 and the second receiving cylinder 12 have openings... The lower side of the mechanism cylinder 1 is fixedly connected to a vent seat 3 and a handle 2 from front to back through the notch. A control button is set on the handle 2. The vent seat 3 is used to connect an air pump. The inner side of the mechanism cylinder 1 is provided with a moving mechanism 4. The front side of the moving mechanism 4 is provided with a fixing mechanism 5. The outer side of the fixing mechanism 5 is provided with a replacement part 6. The replacement part 6 is a disposable structure and can be directly discarded and replaced after use. The moving mechanism 4 is used to drive the replacement part 6 to move in and out of the inner side of the mechanism cylinder 1. The first storage cylinder 11 and the second storage cylinder 12 do not affect the movement of the replacement part 6.

[0023] It should be noted that when using the device, the ventilation seat 3 should be connected to the air pump. This air pump is a medical air pump, which introduces clean and sterile gas to avoid contaminating the equipment. After extracting the ointment, install the replacement part 6 and insert it into the patient's anus to apply the medication.

[0024] Example 2, as Figures 5-13 As shown, the replacement part 6 includes an installation tube 61 and an annular plate 62 fixedly connected to the front side of the installation tube 61. The outer side of the annular plate 62 is rotatably connected to a number of annularly distributed structural petals 63 arranged in a hemispherical shape. The structure composed of the structural petals 63 can also be semi-ellipsoidal. The outer side of each of the structural petals 63 is provided with a number of evenly distributed holes for the ointment to flow out.

[0025] A rubber diaphragm sleeve 64 that does not block the holes is fixedly sleeved on the outside of the structural petal 63. The rubber diaphragm sleeve 64 is divided into upper and lower parts. The upper part cooperates with the structural petal 63 to form a petal-shaped structure. The lower part seals the bottom of the structural petal 63 and the ring plate 62 to form a cavity that is not externally contacted except for the holes, and the rubber diaphragm sleeve 64 forms a cavity that guides the inner cavity of the installation tube 61 to the inner side of the structural petal 63 without affecting the rotation of the structural petal 63. A rubber sleeve 67 is fixedly connected to the outside of the installation tube 61.

[0026] It should be noted that the ointment enters from the installation tube 61 into the cavity formed by the combination of the rubber diaphragm sleeve 64 and the structural flap 63, and then flows out from the hole on the structural flap 63.

[0027] Preferably, the fixing mechanism 5 includes a central tube 51, a limiting plate 52 fixedly connected to the front of the outer side of the central tube 51, a ring sleeve 53 fixedly connected to the rear of the outer side of the central tube 51, and a movable cylinder 55 slidably connected to the outer side of the central tube 51. The inner side of the central tube 51 is used to store ointment. The movable cylinder 55 is located between the limiting plate 52 and the ring sleeve 53. The central tube 51 and the movable cylinder 55 cannot rotate relative to each other. A plurality of annularly distributed support plates 54 located outside the movable cylinder 55 are slidably connected between the limiting plate 52 and the ring sleeve 53. They can only approach or move away from each other. A rubber sleeve 67 is located outside the support plate 54. The outer side of the support plate 54 has a certain roughness to increase the friction between the support plate 54 and the rubber sleeve 67 and prevent the rubber sleeve 67 from falling off the outer side of the rubber film sleeve 64.

[0028] The inner side of the rubber sleeve 67 is fixedly connected with several ring-shaped strip tubes 68 placed between the support plates 54. Due to the restriction of the support plate 54, the presence of the strip tubes 68 further prevents the rubber sleeve 67 from rotating on the outside of the support plate 54. The front end of the central tube 51 is fixedly connected with a rubber insert 511 sleeved inside the mounting tube 61. The inner side of the mounting tube 61 can be provided with an annular protrusion to further improve the fixing ability between the rubber insert 511 and the mounting tube 61.

[0029] Preferably, the moving mechanism 4 includes a mounting base 41 detachably connected to the rear end of the central tube 51 and a piston assembly 49 rotatably connected to the inner side of the mounting base 41 for pushing the ointment. The piston assembly 49 is used to push out the ointment. The detachable connection between the mounting base 41 and the central tube 51 can be a threaded connection. A pneumatic sleeve 42 is fixedly connected to the outer side of the mounting base 41 near the front side. A pneumatically driven push ring 43 is fixedly connected to the front side of the pneumatic sleeve 42 for moving back and forth. Several annularly distributed top racks 56 are fixedly connected to the outer side of the moving cylinder 55. Several moving racks 57, which mesh with the top racks 56 and are sleeved in the strip groove, are fixedly connected to the inner side of each of the support plates 54. When the moving cylinder 55 moves forward, it will drive the top racks 56 to push the moving racks 57, causing the support plates 54 to separate from each other, thereby supporting the inner side of the rubber sleeve 67, further preventing the rubber sleeve 67 from falling off the support plate 54, and facilitating the installation of the rubber sleeve 67.

[0030] A straight spring 59 is fixedly connected to the rear side of the limiting plate 52 to drive the moving cylinder 55 to move backward. When the rear side of the moving cylinder 55 is not restricted, the straight spring 59 pushes the moving cylinder 55 to reset. An annular plate can be added to the outer side of the moving cylinder 55 near the front side to provide the position for the straight spring 59 to push the moving cylinder 55. Several annularly distributed push rods 510 are fixedly connected to the rear side of the moving cylinder 55, passing through the rear wall of the ring sleeve 53 and contacting the front side of the push ring 43. The pneumatic components on the pneumatic sleeve 42 push the push ring 43 and then push the moving cylinder 55 to move backward by means of the push rods 510. Several spring rings 58 located on the outer side of the moving cylinder 55 and distributed in front and back are sleeved on the side of the support plate 54 near the central tube 51 through an annular hole. The spring rings 58 are used to drive the moving rack 57 to reset when the moving cylinder 55 is reset.

[0031] It should be noted that after the rubber sleeve 67 is fitted onto the outside of the support plate 54 and the rubber insert 511 is inserted into the inside of the installation tube 61, the pneumatic sleeve 42 pushes the push ring 43 forward, causing the moving cylinder 55 to move forward. This causes the top rack 56 to push the moving rack 57, which in turn causes the support plate 54 to support the inside of the rubber sleeve 67, completing the installation of the replacement part 6. The push ring 43 then resets, the straight spring 59 pushes the moving cylinder 55 to reset, and the spring ring 58 causes the moving racks 57 to move closer together, making it easier to remove the rubber sleeve 67 from the support plate 54 and completing the disassembly of the replacement part 6.

[0032] Preferably, a plurality of annularly distributed spiral guide rails 45 are fixedly connected to the inner side of the mechanism cylinder 1. The outer side of the mounting base 41 is slidably connected to the inner side of the spiral guide rails 45 via a round shaft. A rotating plate 46 is rotatably connected to the rear side of the mounting base 41. A plurality of annularly distributed first pneumatic rods 48 are fixedly connected to the outer side of the mechanism cylinder 1. A ring plate 47 is fixedly connected to the rear movable end of the first pneumatic rod 48. The rotating plate 46 and the ring plate 47 are fixedly connected together by a long rod. The first pneumatic rods 48 drive the ring plate 47 to move backward, thereby pulling the rotating plate 46 to move backward. A pull sleeve 44 is movably sleeved on the outer side of the pneumatic sleeve 42. The outer side of the pull sleeve 44 is provided with a needle roller that contacts the spiral guide rail 45 near the piston assembly 49. The needle roller is used to reduce the friction between the pull sleeve 44 and the spiral guide rail 45.

[0033] It should be noted that the first pneumatic rod 48 drives the rotating plate 46 to move backward, which in turn causes the rotating plate 46 to pull the mounting base 41 to move backward, thereby driving the central tube 51 and the rubber sleeve 67 to move backward. Due to the presence of the spiral guide rail 45, the rubber sleeve 67 and the central tube 51 rotate during the backward movement, while the position of the piston assembly 49 remains unchanged, causing the piston assembly 49 to push the ointment inside the central tube 51 forward and push the ointment out.

[0034] Preferably, a rigid ring 69 is fixedly connected to the rear end of the rubber sleeve 67. The rigid ring 69 is used to prevent the end of the rubber sleeve 67 from being too soft and difficult to install and remove when it is installed. A pull rod 65 is fixedly connected to the middle of the rear side of several structural petals 63. A pull rope 66 passing through the inside of the slat tube 68 is fixedly connected to the rear end of several pull rods 65. A sleeve for guiding the pull rope 66 is provided on the outside of the mounting tube 61. Pulling the pull rope 66 causes the pull rope 66 to pull the pull rod 65, thereby driving the structural petal 63 to rotate on the ring plate 62.

[0035] The rear end of the pull rope 66 is fixedly connected to a pull ring 610, which is placed behind the rigid ring 69 and is used to drive the structural petals 63 to separate. On the outer side of the pull sleeve 44, near the front, several annularly distributed balls 412 are fitted through a capsule-shaped hole to fit into the ball groove on the outer side of the pull ring 610. On the outer side of the pull sleeve 44, near the front, several elastically driven top blocks 413 are fixedly connected to restrict the separation of the balls 412. The top blocks 413 cooperate with the spiral guide rail 45 to restrict the position of the balls 412 so that they do not come out of the ball groove, thereby achieving the fixation between the pull sleeve 44 and the pull ring 610. On the side of the spiral guide rail 45 near the front of the pull sleeve 44, there are disengagement grooves 414 for the top blocks 413 to move. When the top blocks 413 slide into the disengagement groove 414, because the top blocks 413 are driven by the elastic elements, the top blocks 413 can no longer restrict the balls 412, so that the pull ring 610 and the pull sleeve 44 can separate at this position.

[0036] It should be noted that when the rubber sleeve 67 is installed in place, the ball 412 is inserted into the outer ball groove of the pull ring 610. When the mounting seat 41 moves backward, it drives the rubber sleeve 67 and the pull sleeve 44 to move backward synchronously. Then the top block 413 exits the disengagement groove 414, so that the relative position between the top blocks 413 remains unchanged, thereby causing the ball 412 to lock the pull ring 610.

[0037] Preferably, the rear side of the pneumatic sleeve 42 is pneumatically driven to move the pull sleeve 44 back and forth. The rearward movement of the pull sleeve 44 relative to the pneumatic sleeve 42 can drive the pull ring 610 to move backward, so that the pull ring 610 pulls the pull rope 66 to open the structural petal 63, thereby realizing the pneumatic opening of the structural petal 63. The outer side of the mechanism cylinder 1 is rotatably connected to two torsion spring driven winding wheels 410 distributed on the left and right.

[0038] Both winding wheels 410 have a vent pipe 411 with a movable end that enters the interior of the mechanism cylinder 1 from the rear side and is fixedly connected to the rotating plate 46. The rear side of the mechanism cylinder 1 is provided with a guide wheel for deflecting the direction of the vent pipe 411 to reduce the friction between the vent pipe 411 and the mechanism cylinder 1. When the rotating plate 46 moves backward, the end of the vent pipe 411 away from the winding wheel 410 moves backward synchronously. The winding wheel 410 is driven by the torsion spring on it to retract the vent pipe 411. A flexible hose connecting the inner cavity of the vent pipe 411 is provided between the component on the winding wheel 410 that supports the winding wheel 410 and the mechanism cylinder 1.

[0039] Two interconnected air chambers are provided on the rear side of the mounting base 41 and the front side of the rotating plate 46. The air chambers on the mounting base 41 are equipped with blades and pressure relief valves, so that the gas blown out by the vent pipe 411 can drive the mounting base 41 to rotate, avoiding the impact of the low pitch of the spiral guide rail 45 on the movement and rotation of the mounting base 41. The two pneumatic components on the pneumatic sleeve 42 are connected to each other. The bottom side wall of the mechanism cylinder 1 is provided with an air passage connecting the vent seat 3 and the first pneumatic rod 48, as well as the vent seat 3 and the hose, and an electric control valve is provided to control the opening and closing.

[0040] Example 3, as Figure 14 As shown, the piston assembly 49 includes a piston rod 491 fixedly connected in a circular hole in the middle of the rear wall of the mechanism cylinder 1, and a feed chamber 497 and an injection chamber 496 distributed vertically inside the piston rod 491, as well as a first piston block 492 fixedly connected to the front end of the piston rod 491. When injecting ointment, the first piston block 492 is movably sleeved on the inner side of the central tube 51. The front ends of the feed chamber 497 and the injection chamber 496 are connected through a vertical hole. A through hole is opened at the bottom front side of the first piston block 492. When injecting ointment, the through hole is sealed with a rubber block. When injecting enema fluid, the rubber block is removed.

[0041] A first anti-reverse valve 494 is fixedly connected to the front circular hole of the piston rod 491, isolating the injection chamber 496 and the through hole. The first anti-reverse valve 494 is used to prevent the enema fluid from flowing from front to back. An injection tube 8 located in front of the piston rod 491 is detachably connected to the inner side of the mounting base 41. The injection tube 8 is equipped with a heating resistance wire sleeve to heat the enema fluid passing through the injection tube 8, preventing the enema fluid temperature from being too low and causing stimulation to the patient. The injection tube 8 is used to replace the fixing mechanism 5. The injection tube 8 is used when injecting enema fluid, and the fixing mechanism 5 is used when injecting ointment. The installation method of the injection tube 8 is the same as that of the middle. The installation method of the heart tube 51 is the same. The outer side of the piston rod 491 is fixedly connected to the second anti-backflow valve 495, which connects to the feed chamber 497, at the position between the mechanism cylinder 1 and the ring plate 47. The second anti-backflow valve 495 prevents the enema fluid in the feed chamber 497 from flowing out from the second anti-backflow valve 495. The inner side of the injection chamber 496 is slidably connected to the second piston block 493. The rear side of the piston rod 491 is fixedly connected to a pipe connection seat for venting into the injection chamber 496. The rear surface of the mechanism cylinder 1 is provided with holes for the movement of the round rod between the rotating plate 46 and the ring plate 47 and for the passage of the venting pipe 411.

[0042] It should be noted that a pipe controlled by an air pump is connected to the rear end of the piston rod 491, so that the air pump can control the position of the second piston block 493. The second anti-backflow valve 495 is connected to the pipe through which the enema fluid is introduced. When the second piston block 493 moves backward, it cooperates with the feed chamber 497 to draw the enema fluid into the injection chamber 496. The first anti-backflow valve 494 prevents the enema fluid in front of the first anti-backflow valve 494 from flowing back. When the second piston block 493 moves forward, the enema fluid is pushed out from the front of the injection tube 8. The second anti-backflow valve 495 is used to prevent the enema fluid from flowing back.

[0043] Example 4, as Figure 4 As shown, a gas heating tank 7 is detachably installed on the lower side of the mechanism cylinder 1, located in front of the handle 2, through a notch. The lower side of the gas heating tank 7 is connected to an air pump for gas supply. A medical air pump is used to prevent dust and bacteria from entering the gas heating tank 7. The gas heating tank 7 uses a heating method similar to that of the injection tube 8, and the temperature is controlled below 37 degrees Celsius. Several second pneumatic rods 9 are fixedly connected to the outer side of the mechanism cylinder 1 near the front.

[0044] Several second pneumatic rods 9 are fixedly connected to jet arc plates 10 at their front movable ends. The jet arc plates 10 are provided with multiple nozzles for ejecting gas. The rear side of the second pneumatic rods 9 is connected to the outside of the gas heating tank 7 via a hose. The gas heating tank 7 is used to provide high-pressure gas for the operation of the second pneumatic rods 9. Since the movable rod on the second pneumatic rod 9 is a hollow rod, the second pneumatic rod 9 can be continuously ventilated. The rod on the second pneumatic rod 9 connected to the jet arc plate 10 is a hollow rod. After the gas ejected from the gas heating tank 7 drives the jet arc plate 10 to move, it enters the jet arc plate 10 through the hollow rod. The wall thickness of the hollow rod is larger than its inner diameter, so that when air is intake, the gas residue can push the jet arc plate 10 forward. When air is evacuated, the hollow rod does not affect the backward movement of the jet arc plate 10.

[0045] It should be noted that air enters from the bottom of the gas heating tank 7, and after being heated by the gas heating tank 7, it is introduced into the second pneumatic rod 9 to drive the jet arc plate 10 forward, and then sprayed out from the jet arc plate 10, so that the heated gas blows towards the rubber sleeve 67, avoiding the cold weather causing the outer temperature of the rubber sleeve 67 to be too low and affecting its use.

[0046] The working principle of this invention is as follows: First, the backward movement of the pull sleeve 44 relative to the pneumatic sleeve 42 can drive the pull ring 610 to move backward, so that the pull ring 610 pulls the pull rope 66 to open the structural flap 63. The first pneumatic rod 48 drives the rotating plate 46 to move backward, so that the rotating plate 46 pulls the mounting base 41 to move backward, which in turn drives the central tube 51 and the rubber sleeve 67 to move backward. Due to the presence of the spiral guide rail 45, the rubber sleeve 67 and the central tube 51 rotate during the backward movement, while the position of the piston assembly 49 remains unchanged. This allows the piston assembly 49 to push the ointment inside the central tube 51 forward and push the ointment out. By pulling the pull ring 610, the structural flap 63 expands, so that after the rubber sleeve 67 and the structural flap 63 are inserted into the anus, the structural flap 63 can fit tightly against the anus. The wall is used to apply the ointment while squeezing it out, improving the application ability. After the ointment is evenly applied, it is more dispersed, avoiding the problem of it being squeezed out by the anal sphincter. Next, the rubber sleeve 67 is fitted onto the outside of the support plate 54. After the rubber insert 511 is inserted into the inside of the installation tube 61, the pneumatic sleeve 42 pushes the push ring 43 forward, causing the moving cylinder 55 to move forward. This causes the top rack 56 to push the moving rack 57, so that the support plate 54 supports the inside of the rubber sleeve 67, completing the installation of the replacement part 6. The push ring 43 returns to its original position, the straight spring 59 pushes the moving cylinder 55 to its original position, and the spring ring 58 makes the moving racks 57 move closer together, making it easier to remove the rubber sleeve 67 from the support plate 54. After the replacement part 6 is disassembled, the moving cylinder 55 is moved by pneumatic control to expand and contract the support plate 54, thereby enabling the rapid assembly of the rubber sleeve 67, facilitating the installation and disassembly of the replacement part 6. Then, a pipe controlled by an air pump is connected to the rear end of the piston rod 491, allowing the air pump to control the position of the second piston block 493. The second anti-backflow valve 495 is connected to the pipe through which the enema fluid is introduced. When the second piston block 493 moves backward, it cooperates with the feeding chamber 497 to draw the enema fluid into the injection chamber 496. The first anti-backflow valve 494 prevents the enema fluid in front of the first anti-backflow valve 494 from flowing back. When the second piston block 493 moves forward, the enema fluid is pushed out from the front of the injection tube 8. The second anti-backflow valve 495 is used to prevent the enema fluid from flowing back. The piston rod 491 is equipped with an injection chamber 496 and a feeding chamber 497, so that the piston rod 491 can act as a rod to push the ointment and also as a suction tube, realizing the dual purpose of pushing ointment and enema fluid. Finally, air is introduced from the bottom of the gas heating tank 7, and after being heated by the gas heating tank 7, it is introduced into the second pneumatic rod 9 to drive the jet arc plate 10 forward, and then sprayed out from the jet arc plate 10, so that the heated gas is blown towards the rubber sleeve 67, avoiding the outer temperature of the rubber sleeve 67 being too low due to cold weather, which would affect its use. Through the special design of the structure of the second pneumatic rod 9, the removal, jetting, and storage of the jet arc plate 10 can be completed using a single gas delivery channel, which facilitates the heating of the rubber sleeve 67 while reducing the overall space occupied.

[0047] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. An anal medication application device suitable for local treatment of ulcerative colitis, comprising a mechanism cylinder (1) and a first receiving cylinder (11) and a second receiving cylinder (12) detachably mounted on the outside of the mechanism cylinder (1), the first receiving cylinder (11) and the second receiving cylinder (12) having notches on their lower sides, and a vent seat (3) and a handle (2) being fixedly connected from front to back on the lower side of the mechanism cylinder (1) through the notches, characterized in that: The inner side of the mechanism tube (1) is provided with a moving mechanism (4), the front side of the moving mechanism (4) is provided with a fixing mechanism (5), and the outer side of the fixing mechanism (5) is provided with a replacement part (6). The moving mechanism (4) is used to drive the replacement part (6) to move in and out of the inner side of the mechanism tube (1). The first storage tube (11) and the second storage tube (12) do not affect the movement of the replacement part (6).

2. The anal medication application device for local treatment of ulcerative colitis according to claim 1, characterized in that: The replacement part (6) includes an installation tube (61) and an annular plate (62) fixedly connected to the front side of the installation tube (61). The outer side of the annular plate (62) is rotatably connected to a number of annularly distributed hemispherical structural petals (63). The outer side of each of the structural petals (63) is provided with a number of evenly distributed holes for the ointment to flow out. The outer side of the structural petal (63) is fixedly fitted with a rubber membrane sleeve (64) that does not block the holes. The rubber membrane sleeve (64) forms a cavity inside the inner cavity of the installation tube (61) to guide the structural petal (63) without affecting the rotation of the structural petal (63). The outer side of the installation tube (61) is fixedly connected with a rubber sleeve (67).

3. The anal medication application device for local treatment of ulcerative colitis according to claim 2, characterized in that: The fixing mechanism (5) includes a central tube (51), a limiting plate (52) fixedly connected to the front of the outer side of the central tube (51), a ring sleeve (53) fixedly connected to the rear of the outer side of the central tube (51), and a movable cylinder (55) slidably connected to the outer side of the central tube (51). The movable cylinder (55) is located between the limiting plate (52) and the ring sleeve (53). The central tube (51) and the movable cylinder (55) cannot rotate relative to each other. A number of ring-shaped support plates (54) located outside the movable cylinder (55) are slidably connected between the limiting plate (52) and the ring sleeve (53). They can only move closer to each other and further away from each other. A rubber sleeve (67) is located outside the support plate (54). A number of ring-shaped strip tubes (68) placed between the support plates (54) are fixedly connected to the inner side of the rubber sleeve (67). A rubber insert (511) sleeved inside the mounting tube (61) is fixedly connected to the front end of the central tube (51).

4. The anal medication application device for local treatment of ulcerative colitis according to claim 3, characterized in that: The moving mechanism (4) includes a mounting base (41) detachably connected to the rear end of the central tube (51) and a piston assembly (49) rotatably connected to the inner side of the mounting base (41) for pushing the ointment. A pneumatic sleeve (42) is fixedly connected to the outer side of the mounting base (41) near the front. A pneumatically driven push ring (43) is fixedly connected to the front side of the pneumatic sleeve (42) for moving back and forth. Several annularly distributed top racks (56) are fixedly connected in the strip groove on the outer side of the moving cylinder (55). The inner sides of several support plates (54) are all fixedly connected. A movable rack (57) is fixedly connected to the top rack (56) and sleeved in the strip groove. A straight spring (59) is fixedly connected to the rear side of the limiting plate (52) to drive the movable cylinder (55) to move backward. Several push rods (510) are fixedly connected to the rear side of the movable cylinder (55) and pass through the rear wall of the ring sleeve (53) to contact the front side of the push ring (43). Several spring coils (58) located on the outer side of the movable cylinder (55) are sleeved through the opening of the ring hole on the side of the support plate (54) near the central tube (51).

5. The anal medication application device for local treatment of ulcerative colitis according to claim 4, characterized in that: The inner side of the mechanism cylinder (1) is fixedly connected with several annularly distributed spiral guide rails (45). The outer side of the mounting base (41) is slidably connected to the inner side of the spiral guide rails (45) via a round shaft. The rear side of the mounting base (41) is rotatably connected with a rotating plate (46). The outer side of the mechanism cylinder (1) is fixedly connected with several annularly distributed first pneumatic rods (48). The rear movable end of the first pneumatic rods (48) is fixedly connected with a ring plate (47). The rotating plate (46) and the ring plate (47) are fixedly connected together by a long rod. The outer side of the pneumatic sleeve (42) is movably sleeved with a pull sleeve (44). The outer side of the pull sleeve (44) is provided with a needle roller that contacts the side of the spiral guide rail (45) near the piston assembly (49).

6. The anal medication application device for local treatment of ulcerative colitis according to claim 5, characterized in that: The rubber sleeve (67) is fixedly connected to a rigid ring (69) at its rear end. A pull rod (65) is fixedly connected to the middle of the rear side of each of the structural petals (63). A pull rope (66) passing through the inside of the slat tube (68) is fixedly connected to the rear end of each of the pull rods (65). A pull ring (610) for driving the structural petals (63) to separate from each other is fixedly connected to the rear end of the pull rope (66). A number of annularly distributed balls (412) for locking into the ball grooves on the outside of the pull ring (610) are sleeved through a capsule-shaped hole on the outer side of the pull sleeve (44) near the front side. A number of top blocks (413) for limiting the separation of the balls (412) are fixedly connected to the outer side of the pull sleeve (44) near the front side. A dislocation groove (414) for the top block (413) to move is opened on the side of each of the spiral guide rails (45) near the front side of the pull sleeve (44).

7. The anal medication application device for local treatment of ulcerative colitis according to claim 5, characterized in that: The rear side of the pneumatic sleeve (42) is pneumatically driven to move the pull sleeve (44) back and forth. The outer side of the mechanism cylinder (1) is rotatably connected to two torsion spring driven winding wheels (410) distributed on the left and right. The inner side of the two winding wheels (410) is wound with a vent pipe (411) whose movable end enters the interior of the mechanism cylinder (1) from the rear side and is fixedly connected to the rotating plate (46). The component on the winding wheel (410) used to support the winding wheel (410) is provided with a hose connecting the inner cavity of the vent pipe (411) between it and the mechanism cylinder (1). The rear side of the mounting base (41) and the front side of the rotating plate (46) are each provided with two air chambers that are connected to each other, respectively connecting to the pneumatic components that move in two directions on the pneumatic sleeve (42). The bottom side wall of the mechanism cylinder (1) is provided with an air passage connecting the vent seat (3) and the first pneumatic rod (48), as well as the vent seat (3) and the hose, and an electric control valve is provided to control the opening and closing.

8. The anal medication application device for local treatment of ulcerative colitis according to claim 4, characterized in that: The piston assembly (49) includes a piston rod (491) fixedly connected to a circular hole in the middle of the rear wall of the mechanism cylinder (1), and feed chambers (497) and injection chambers (496) distributed vertically inside the piston rod (491), as well as a first piston block (492) fixedly connected to the front end of the piston rod (491). The front ends of the feed chamber (497) and the injection chamber (496) are connected through a vertical hole. A through hole is provided at the bottom front side of the first piston block (492). A first anti-reverse valve (494) is fixedly connected in the circular hole on the front side of the piston rod (491) to isolate the injection chamber (496) and the through hole. The mounting base (41) The inner side of the piston rod (491) is detachably connected to an injection tube (8) located in front of the piston rod (491). The outer side of the piston rod (491) is fixedly connected to a second anti-reverse valve (495) connecting to the feed chamber (497) at a position between the mechanism cylinder (1) and the ring plate (47). The inner side of the injection chamber (496) is slidably connected to a second piston block (493). The rear side of the piston rod (491) is fixedly connected to a pipe connection seat for venting air into the injection chamber (496). The rear surface of the mechanism cylinder (1) is provided with holes for the movement of the round rod between the rotating plate (46) and the ring plate (47) and for the passage of the vent pipe (411).

9. The anal medication application device for local treatment of ulcerative colitis according to claim 1, characterized in that: A gas heating tank (7) is detachably installed on the lower side of the mechanism cylinder (1) in front of the handle (2) through a notch. Several annularly distributed second pneumatic rods (9) are fixedly connected to the outer side of the mechanism cylinder (1) near the front. The front movable ends of several second pneumatic rods (9) are fixedly connected to jet arc plates (10). The rear side of the second pneumatic rod (9) is connected to the outer side of the gas heating tank (7) through a hose. The rod on the second pneumatic rod (9) connected to the jet arc plate (10) is a hollow rod. The gas ejected from the gas heating tank (7) enters the jet arc plate (10) through the hollow rod after driving the jet arc plate (10) to move.

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