An enema cleaning device for digestive system nursing

Abstract

The application discloses a kind of enema cleaning device for digestive system nursing, including base and enema hanging bag, the lower end of the base near four corners is fixedly installed with pulley.This application moves in the slot by pulling L-shaped support cooperation sliding groove and sliding block, so that T-shaped clamping block cooperation first spring on fixed piece is inserted in one of the clamping slots, the height of L-shaped support is adjusted, after pulling movable rod and inserting in arc clamping block for fixing, it is convenient to store, by hanging enema hanging bag to hook, enema anal tube on enema hanging bag is sequentially penetrated through a plurality of limiting ring settings, effectively limit enema anal tube, avoid accidental touch enema anal tube after causing harm to patient, by penetrating the rectangular through slot on limiting block and setting enema anal tube, so that enema anal tube and first arc groove and second arc groove are in contact after cooperation second spring is limited and fixed, instead of manual fixing enema anal tube, reduce labor intensity.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to an enema cleansing device for gastroenterology nursing. Background Technology

[0002] Enema cleansing involves administering a certain amount of liquid through the anus and rectum into the colon to help patients cleanse their intestines, defecate, expel gas, or deliver medication through the intestines for diagnostic and therapeutic purposes. Enemas can be divided into non-retention enemas and retention enemas. Retention enemas administer medication through the rectum to dilute and remove harmful substances in the intestines, thereby reducing poisoning. Low-temperature liquids can also be administered to cool down high-temperature environments.

[0003] Existing enema cleaning devices lack a restraining structure for the enema tube during actual use. Accidental contact with the enema tube can easily cause injury to the patient. Furthermore, the enema tube needs to be manually secured after insertion, which is labor-intensive. This paper proposes an enema cleaning device for gastroenterology nursing to solve the above problems. Summary of the Invention

[0004] This invention proposes an enema cleaning device for gastroenterology nursing, which solves the technical problems of existing enema cleaning devices in the background art, which lack an enema tube restraint structure during actual use. Accidental contact with the enema tube can easily cause harm to the patient, and the enema tube needs to be manually fixed after insertion, which is labor-intensive.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An enema cleaning device for gastroenterology nursing includes a base and an enema bag. The base has pulleys fixedly installed at its lower ends near the four corners. An enema tube is connected to the enema bag. Positioning mechanisms are provided on the right side walls of the two pulley mounting seats on the right side. A fixing post is fixedly connected to the upper end of the base at its center position. A slot is provided at the upper end of the fixing post, and an L-shaped bracket is inserted into the slot. A fixing mechanism is provided through the inner right wall of the slot. A movable rod is rotatably connected to the right side wall of the vertical section of the L-shaped bracket. Several limiting rings are fixedly connected to the annular side wall of the movable rod. A limiting mechanism is provided at the end of the movable rod away from the L-shaped bracket. The enema tube passes through the limiting rings and abuts against the limiting mechanism.

[0007] Preferably, the positioning mechanism includes positioning blocks rotatably connected to the right side walls of the two right-side pulley mounting seats, with connecting rods fixedly connected to the opposite side walls of the two positioning blocks, and first permanent magnet blocks fixedly connected to the upper ends of the two positioning blocks away from the pulleys. Two second permanent magnet blocks are fixedly connected to the lower end of the base near the right side, and the two first permanent magnet blocks are respectively matched with the two second permanent magnet blocks.

[0008] Preferably, the first permanent magnet block and the second permanent magnet block have opposite magnetic properties.

[0009] Preferably, a hook is fixedly connected to the lower end of the horizontal section of the L-shaped bracket near the front side, and the enema bag is hooked to the hook. An arc-shaped locking block is fixedly connected to the right side wall of the vertical section of the L-shaped bracket, and the movable rod is movably locked to the arc-shaped locking block. The arc-shaped locking block is located near the horizontal section of the L-shaped bracket.

[0010] Preferably, a sliding groove is provided on the left inner wall of the slot, the top surface of the sliding groove is connected to the upper end of the fixed pile, and a slider is fixedly connected to the left side wall of the vertical section of the L-shaped bracket, the slider is located near the lower end of the vertical section of the L-shaped bracket, and the slider is slidably connected to the sliding groove.

[0011] Preferably, the fixing mechanism includes a cover fixedly connected to the right side wall of the fixing pile and a plurality of slots disposed on the right side wall of the vertical section of the L-shaped bracket. The cover is disposed near the upper end of the fixing pile, and the plurality of slots are distributed at equal intervals. A T-shaped block is horizontally inserted through the inner right side wall of the cover. One end of the T-shaped block is disposed horizontally through the inner right side wall of the slot. One end of the T-shaped block is inserted into one of the slots. A fixing plate is fixedly sleeved on the end of the T-shaped block inside the cover. A first spring is fixedly connected to the side wall of the cover opposite to the fixing plate. The first spring is sleeved on the T-shaped block and abuts against the cover.

[0012] Preferably, the limiting rings are distributed at equal intervals, the limiting rings and the limiting mechanism are on the same horizontal plane, and the limiting rings are fixedly welded to the movable rod.

[0013] Preferably, a fixing block is fixedly connected to the right side wall of the vertical section of the L-shaped bracket, and several slots are located below the fixing block. The fixing block has a groove on the side wall away from the L-shaped bracket, and the movable rod is inserted into the groove. A rotating block is fixedly connected to one end of the movable rod located in the groove. A rotating shaft is horizontally rotatably connected between the inner walls of the front and rear sides of the groove and the rotating block. The lower end of the movable rod abuts against the bottom of the groove.

[0014] Preferably, the limiting mechanism includes a limiting block fixedly connected to the end of the movable rod away from the L-shaped bracket. The limiting ring and the limiting block are on the same horizontal plane. The limiting block is provided with a rectangular through groove that is connected left and right. Two limiting pieces are fixedly connected to the top surface of the rectangular through groove. The lower ends of the two limiting pieces are provided with a first arc-shaped groove. A U-shaped block is provided through the bottom of the rectangular through groove. The two limiting pieces are located inside the U-shaped block. The upper ends of the vertical sections on both sides of the U-shaped block are provided with a second arc-shaped groove. The enema tube is provided through the rectangular through groove, the first arc-shaped groove and the second arc-shaped groove. The inner walls of the first arc-shaped groove and the second arc-shaped groove are in contact with the enema tube. A second spring is fixedly connected to the upper end of the horizontal section of the U-shaped block. The upper end of the second spring is fixedly connected to the lower end of the limiting block.

[0015] Preferably, the limiting piece and the limiting block are integrally formed, and the limiting block, the limiting piece and the U-shaped block are all rubber products.

[0016] Compared with the prior art, the beneficial effects of this invention are as follows:

[0017] 1. By pulling the L-shaped bracket, the sliding groove and slider move within the slot, allowing the T-shaped block to engage with the first spring on the fixing plate and insert into one of the slots. This facilitates adjusting the height of the L-shaped bracket. After pulling the movable rod to rotate, it is inserted into the arc-shaped block for fixation, making it easy to store.

[0018] 2. By attaching the enema bag to the hook, the enema tube on the enema bag is sequentially threaded through several limiting rings, effectively limiting the enema tube and preventing accidental contact with the enema tube from causing harm to the patient.

[0019] 3. By setting a rectangular through groove on the limiting block through which the enema tube passes, the enema tube comes into contact with the first arc groove and the second arc groove, and is then fixed in place by the second spring, which replaces manual fixation of the enema tube and reduces labor intensity. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of an enema and cleansing device for gastroenterology nursing proposed in this invention;

[0021] Figure 2 This is a perspective view of an enema cleaning device for gastroenterology nursing proposed in this invention;

[0022] Figure 3 for Figure 2 A magnified view of a section at point A in the middle;

[0023] Figure 4 This is a schematic diagram of the positioning mechanism of an enema and rinsing device for gastroenterology nursing proposed in this invention;

[0024] Figure 5 for Figure 2 A magnified view of a section at point B in the middle;

[0025] Figure 6 This is a schematic diagram of the T-shaped locking block and fixing plate of an enema cleaning device for gastroenterology nursing proposed in this invention;

[0026] Figure 7 for Figure 2 A magnified view of a section at point C;

[0027] Figure 8 for Figure 1 A magnified view of a section at point D;

[0028] Figure 9 for Figure 2 A magnified view of a section at point E in the middle;

[0029] Figure 10 This is a schematic diagram showing the disassembled structure of the limiting mechanism of an enema cleaning device for gastroenterology nursing proposed in this invention.

[0030] In the diagram: 1. Base, 2. Enema bag, 3. Pulley, 4. Enema tube, 5. Fixing post, 6. Slot, 7. L-shaped bracket, 8. Movable rod, 9. Limiting ring, 10. Positioning block, 11. Connecting rod, 12. First permanent magnet, 13. Second permanent magnet, 14. Hook, 15. Arc-shaped locking block, 16. Slide groove, 17. Sliding block, 18. Cover, 19. Slot, 20. T-shaped locking block, 21. Fixing piece, 22. First spring, 23. Fixing block, 24. Groove, 25. Rotating block, 26. Rotating shaft, 27. Limiting block, 28. Rectangular through groove, 29. Limiting piece, 30. First arc-shaped groove, 31. U-shaped block, 32. Second arc-shaped groove, 33. Second spring. Detailed Implementation

[0031] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0033] Reference Figure 1-10As shown, a gastroenterology enema cleaning device includes a base 1 and an enema bag 2. The base 1 has pulleys 3 fixedly installed at its lower ends near the four corners, facilitating movement of the base 1. An enema tube 4 is connected to the enema bag 2. Positioning mechanisms are provided on the right side walls of the two right-side pulley 3 mounting bases. These mechanisms include positioning blocks 10 rotatably connected to the right side walls of the two right-side pulley 3 mounting bases. When the device needs to be moved, a first permanent magnet 12 on the positioning block 10 engages with a second permanent magnet 13 with opposite magnetic properties. When the device moves to the desired position, the connecting... The connecting rod 11 separates the first permanent magnet block 12 and the second permanent magnet block 13. After the positioning block 10 rotates, it comes into contact with the pulley 3, effectively limiting the pulley 3 and preventing displacement during enema cleaning. The connecting rod 11 is fixedly connected to the opposite side wall of the two positioning blocks 10. The first permanent magnet block 12 is fixedly connected to the upper end of the two positioning blocks 10 away from the pulley 3. The lower end of the base 1 near the right side is fixedly connected to two second permanent magnet blocks 13. The two first permanent magnet blocks 12 are matched with the two second permanent magnet blocks 13 respectively. The magnetism of the first permanent magnet block 12 and the second permanent magnet block 13 is opposite.

[0034] A fixed post 5 is fixedly connected to the upper part of the base 1 at the center position. The upper end of the fixed post 5 is provided with a slot 6, and an L-shaped bracket 7 is inserted into the slot 6. A hook 14 is fixedly connected to the lower end of the horizontal section of the L-shaped bracket 7 near the front side. The enema bag 2 is hung on the hook 14. An arc-shaped locking block 15 is fixedly connected to the right side wall of the vertical section of the L-shaped bracket 7. The movable rod 8 is movably locked into the arc-shaped locking block 15. The movable rod 8 is inserted into the arc-shaped locking block 15 for fixation. When the device is in use, the movable rod 8 is rotated. Separated from the arc-shaped locking block 15 for easy storage, the arc-shaped locking block 15 is positioned near the horizontal section of the L-shaped bracket 7. A sliding groove 16 is provided on the left inner wall of the slot 6, and the top surface of the sliding groove 16 is connected to the upper end of the fixing post 5. A slider 17 is fixedly connected to the left side wall of the vertical section of the L-shaped bracket 7, and the slider 17 is positioned near the lower end of the vertical section of the L-shaped bracket 7. The slider 17 is slidably connected to the sliding groove 16. When the slider 17 moves in the sliding groove 16, it facilitates the L-shaped bracket 7 to rise and fall within the slot 6.

[0035] A fixing mechanism is provided through the inner right side of the slot 6. The fixing mechanism includes a cover 18 fixedly connected to the right side wall of the fixing post 5 and several slots 19 set on the right side wall of the vertical section of the L-shaped bracket 7. The cover 18 is located near the upper end of the fixing post 5. The slots 19 are evenly distributed. A T-shaped block 20 is horizontally provided through the inner right side of the cover 18. One end of the T-shaped block 20 located inside the cover 18 is horizontally provided through the inner right side of the slot 6. One end of the T-shaped block 20 is inserted into one of the slots 19. When the T-shaped block 20 is inserted into the slot 19, it can limit and fix the L-shaped bracket 7 in the slot 6. The end of the T-shaped block 20 located inside the cover 18 is fixedly sleeved with a fixing piece 21. A first spring 22 is fixedly connected to the side wall of the cover 18 facing the fixing piece 21. The elasticity of the first spring 22 allows the T-shaped block 20 to be inserted into the slot 19 at the corresponding position. The first spring 22 is sleeved on the T-shaped block 20 and abuts against the cover 18.

[0036] A movable rod 8 is rotatably connected to the right side wall of the vertical section of the L-shaped bracket 7. A fixed block 23 is fixedly connected to the right side wall of the vertical section of the L-shaped bracket 7. Several slots 19 are located below the fixed block 23. A groove 24 is provided on the side wall of the fixed block 23 away from the L-shaped bracket 7. The movable rod 8 is inserted into the groove 24. A rotating block 25 is fixedly connected to one end of the movable rod 8 located in the groove 24. A rotating shaft 26 is horizontally rotatably connected between the inner walls of the front and rear sides of the groove 24 and the rotating block 25. The rotating shaft 26 is used for rotation. The rotating connection of the movable block 25 facilitates the rotation of the movable rod 8 inside the groove 24. The lower end of the movable rod 8 abuts against the bottom of the groove 24. Several limiting rings 9 are fixedly connected to the annular side wall of the movable rod 8. The limiting rings 9 are evenly distributed and are on the same horizontal plane as the limiting mechanism. The enema tube 4 passes through the limiting rings 9 and abuts against the limiting mechanism. The limiting rings 9 are used to limit the enema tube 4 and prevent accidental contact with the enema tube 4 from causing harm to the patient.

[0037] A limiting mechanism is provided at the end of the movable rod 8 away from the L-shaped bracket 7. The limiting mechanism includes a limiting block 27 fixedly connected to the end of the movable rod 8 away from the L-shaped bracket 7. The limiting ring 9 and the limiting block 27 are on the same horizontal plane. A rectangular through groove 28 with left and right connections is provided on the limiting block 27. Two limiting pieces 29 are fixedly connected to the top surface of the rectangular through groove 28. The lower end of each of the two limiting pieces 29 is provided with a first arc-shaped groove 30. A U-shaped block 31 is provided through the bottom of the rectangular through groove 28. The two limiting pieces 29 are located in the U-shaped block 31. The upper ends of the vertical sections on both sides of the U-shaped block 31 are provided with a second arc-shaped groove 32. The enema tube 4 is provided through the rectangular through groove 28, the first arc-shaped groove 30 and the second arc-shaped groove 32. The first arc-shaped groove 30 and the second arc-shaped groove 32 are provided through the rectangular through groove 28, the first arc-shaped groove 30 and the second arc-shaped groove 32. The inner walls of the groove 32 are in contact with the enema tube 4. The upper end of the horizontal section of the U-shaped block 31 is fixedly connected to the second spring 33. The elasticity of the second spring 33 allows the U-shaped block 31 and the limiting piece 29 to limit the enema tube 4. When the rubber U-shaped block 31 and the limiting piece 29 are in contact with the enema tube 4, they can limit and fix the enema tube 4, replacing manual fixation of the enema tube 4, reducing labor intensity. However, it can only limit and fix the enema tube 4 and cannot prevent the flow of liquid in the enema tube 4. The upper end of the second spring 33 is fixedly connected to the lower end of the limiting block 27. The limiting piece 29 and the limiting block 27 are integrally formed. The limiting block 27, the limiting piece 29 and the U-shaped block 31 are all rubber products.

[0038] When using this invention, instruct the patient to lie on their right side on the bed. Push the fixed post 5 and the pulley 3 on the base 1 to move to the side of the bed. Pull the connecting rod 11 to separate the first permanent magnet 12 from the second permanent magnet 13. At this time, the positioning block 10 rotatably connected to the mounting base of the two side pulleys 3 abuts against the pulleys 3, effectively limiting and fixing the pulleys 3 to prevent displacement during enema cleaning. Pull the movable rod 8 on the arc-shaped locking block 15 to make the movable rod 8 rotate in the groove 24 with the rotating block 25 and the rotating shaft 26 until the movable rod 8 abuts against the bottom of the groove 24. Pull the T-shaped locking block 20 on the cover 18 to compress the first spring 22 with the fixing plate 21, so that the T-shaped locking block 20 separates from the current slot 19. Raise the L-shaped bracket 7 to move in the slot 6 with the sliding groove 16 and the slider 17 until the movable rod 8 rises to the desired position. Release the T-shaped locking block 20 to reset the compressed first spring 22 and drive it to be inserted into the corresponding position. Within the slot 19, the L-shaped bracket 7 is fixed in place. The enema bag 2, connected to the enema tube 4, is hung on the hook 14 on the L-shaped bracket 7. The free end of the enema tube 4 is sequentially passed through several limiting rings 9 to effectively limit the enema tube 4 and prevent accidental contact that could harm the patient. The U-shaped block 31 is pressed to compress the second spring 33, allowing the enema tube 4 to be inserted into the rectangular through slot 28 and sequentially passed through the second arc-shaped groove 3 on the U-shaped block 31. 2. The first arc-shaped groove 30 on the limiting piece 29 is then inserted into the patient's rectum by holding the enema tube 4. After the enema tube 4 is properly inserted, the second spring 33 is released after the U-shaped block 31 is released, so that the first arc-shaped groove 30 and the second arc-shaped groove 32 come into contact with the enema tube 4. This allows the rubber limiting piece 29 to work with the U-shaped block 31 to clamp and limit the enema tube 4, effectively fixing the enema tube 4 and replacing manual fixation of the enema tube 4, thus reducing labor intensity.

[0039] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An enema cleaning device for digestive system nursing, comprising a base (1) and an enema hanging bag (2), pulleys (3) are fixedly installed near the lower ends of four corners of the base (1), and an enema anal canal (4) is communicatively arranged on the enema hanging bag (2), characterized in that, The right side wall of the right two pulley (3) mounting seat is provided with a positioning mechanism, the base (1) is fixedly connected with a fixed pile (5) at the upper end of the central position, the upper end of the fixed pile (5) is provided with a slot (6), the slot (6) is provided with an L-shaped support (7), a fixing mechanism is arranged in the right inner wall of the slot (6), the right side wall of the vertical section of the L-shaped support (7) is rotatably connected with a movable rod (8), a plurality of limiting rings (9) are fixedly connected to the annular side wall of the movable rod (8), the end of the movable rod (8) away from the L-shaped support (7) is provided with a limiting mechanism, the enemal tube (4) is arranged through the plurality of limiting rings (9) and is in abutting contact with the limiting mechanism. The plurality of limiting rings (9) are distributed at equal intervals, and the limiting rings (9) and the limiting mechanism are in the same horizontal plane; the limiting mechanism comprises a limiting block (27) fixedly connected to the end of the movable rod (8) away from the L-shaped support (7), the limiting rings (9) and the limiting block (27) are in the same horizontal plane, the limiting block (27) is provided with a rectangular through slot (28) arranged in communication with left and right sides, two limiting pieces (29) are fixedly connected to the top surface of the rectangular through slot (28), the lower end of each of the two limiting pieces (29) is provided with a first arc-shaped groove (30), a U-shaped block (31) is arranged in the bottom of the rectangular through slot (28), the two limiting pieces (29) are located in the U-shaped block (31), the upper end of the vertical section of each of the two sides of the U-shaped block (31) is provided with a second arc-shaped groove (32), and the enemal tube (4) is arranged through the rectangular through slot (28), the first arc-shaped groove (30) and the second arc-shaped groove (32).

2. The device for cleansing the colon for nursing in the department of gastroenterology according to claim 1, characterized in that, The positioning mechanism comprises two positioning blocks (10) rotatably connected to the right side walls of the right two pulley (3) mounting seats, respectively, the opposite side walls of the two positioning blocks (10) are fixedly connected with connecting rods (11), the upper ends of the two positioning blocks (10) away from the pulleys (3) are fixedly connected with first permanent magnet blocks (12), the lower end close to the right side of the base (1) is fixedly connected with two second permanent magnet blocks (13), and the two first permanent magnet blocks (12) are respectively matched with the two second permanent magnet blocks (13).

3. The device as claimed in claim 2, wherein The first permanent magnet blocks (12) and the second permanent magnet blocks (13) have opposite magnetic properties.

4. The device for cleansing the colon for nursing in the department of gastroenterology according to claim 1, characterized in that, The lower end of the horizontal section of the L-shaped support (7) close to the front side is fixedly connected with a hook (14), the enemal bag (2) is hung with the hook (14), the right side wall of the vertical section of the L-shaped support (7) is fixedly connected with an arc-shaped clamping block (15), the movable rod (8) is movably clamped with the arc-shaped clamping block (15), and the arc-shaped clamping block (15) is arranged close to the horizontal section of the L-shaped support (7).

5. The device for cleansing the colon for nursing in the department of gastroenterology according to claim 1, characterized in that, The left inner wall of the slot (6) is provided with a sliding groove (16), the top surface of the sliding groove (16) is in communication with the upper end of the fixed pile (5), the left side wall of the vertical section of the L-shaped support (7) is fixedly connected with a sliding block (17), the sliding block (17) is arranged close to the lower end of the vertical section of the L-shaped support (7), and the sliding block (17) is slidably connected with the sliding groove (16).

6. The device as claimed in claim 1, wherein The fixing mechanism comprises a cover body (18) fixedly connected to the right end side wall of the fixing pile (5) and a plurality of clamping grooves (19) arranged on the right side wall of the vertical section of the L-shaped support (7), the cover body (18) is arranged close to the upper end of the fixing pile (5), the plurality of clamping grooves (19) are distributed at equal intervals, a T-shaped clamping block (20) is horizontally arranged through the right side inner wall of the cover body (18), one end of the T-shaped clamping block (20) located in the cover body (18) is arranged through the right side inner wall of the insertion groove (6), one end of the T-shaped clamping block (20) located in the insertion groove (6) is inserted into one of the clamping grooves (19), one end of the T-shaped clamping block (20) located in the cover body (18) is fixedly sleeved with a fixing sheet (21), the fixing sheet (21) is fixedly connected with a first spring (22) opposite to the side wall of the cover body (18), the first spring (22) is sleeved with the T-shaped clamping block (20) and is in abutting contact with the cover body (18).

7. The device as claimed in claim 6, wherein The right side wall of the vertical section of the L-shaped support (7) is fixedly connected with a fixing block (23), the plurality of clamping grooves (19) are all located below the fixing block (23), the side wall away from the L-shaped support (7) of the fixing block (23) is provided with a recess (24), the movable rod (8) is inserted into the recess (24), one end of the movable rod (8) located in the recess (24) is fixedly connected with a rotating block (25), the front and rear inner walls of the recess (24) are horizontally and rotatably provided with a rotating shaft (26) between the rotating block (25), and the lower end of the movable rod (8) is in abutting contact with the bottom of the recess (24).

8. The device as claimed in claim 1, wherein, The inner walls of the first arc-shaped groove (30) and the second arc-shaped groove (32) are in abutting contact with the enemata rectal tube (4), the horizontal section of the U-shaped block (31) is fixedly connected with a second spring (33), and the upper end of the second spring (33) is fixedly connected with the lower end of the limiting block (27).

9. The device according to claim 8, wherein The limiting piece (29) and the limiting block (27) are integrally formed, and the limiting block (27), the limiting piece (29) and the U-shaped block (31) are all rubber products.

Images