Debridement device for nursing
The nursing debridement device addresses the challenge of carrying soapy water by producing it on demand, enabling effective wound debridement and bandaging in diverse settings, ensuring efficient wound care.
Patent Information
- Application Number
- CN202411406761.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-01-03
AI Technical Summary
Conventional disinfectants like soapy water are difficult to carry in non-home scenarios due to the need for large quantities and are not readily available in portable forms, making wound care challenging in outdoor situations.
A nursing debridement device that can produce soapy water on demand using a washing liquid making cylinder with a friction roller system to dissolve soap in water, allowing for continuous wound rinsing and bandaging, and can be used with or without a water source.
Enables effective wound debridement and bandaging in various scenarios by producing soapy water on demand, facilitating easy transport and reuse, and allowing for disinfection with additional disinfectants post-debridement.
Smart Images

Figure CN119236219A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of medical devices, and specifically refers to a nursing debridement device. Background Art
[0002] When an accident occurs outside and causes trauma, the wound needs to be cleaned and then bandaged. Debridement generally requires the use of a large amount of soapy water to flush the wound and the skin tissue near the wound. Since the main component of the cell membrane of common bacteria is phospholipids, when soapy water comes into contact with bacteria, the components of soap will be inserted into the bacterial cell membrane, destroying the integrity of the membrane, thereby causing the bacterial cell contents to leak out, achieving a bactericidal effect. At the same time, soapy water can also effectively clean other dirt on the wound and the skin surface near it, and compared with simple disinfectants, the mechanism of soapy water is relatively mild and less irritating to the skin. It is the best initial treatment method for daily wounds. After cleaning, the wound is disinfected and bandaged with iodine tincture, saline or hydrogen peroxide solution. However, conventional disinfectants such as saline, iodine tincture or hydrogen peroxide solution are available in portable packages on the market, but soapy water is usually made temporarily because its materials are common at home, but it is usually difficult to obtain in other scenarios, and because a large amount of soapy water is required for debridement, it is not easy to carry even if it is made into bottles. Summary of the invention
[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a nursing debridement device, which can produce a large amount of soapy water in non-home use scenarios, and can bandage the wound after debridement. It is easy to carry and suitable for outdoor scenarios.
[0004] The technical solution adopted by the present invention is as follows: A nursing debridement device provided by the present invention includes a washing liquid making cylinder and a covering mechanism, the washing liquid making cylinder includes a cylinder body, a water outlet pipe is provided at the bottom of the cylinder body, the covering mechanism includes a top box, a flushing port is provided at the top of the top box, the flushing port is inserted into the inner side of the water outlet pipe, the covering mechanism is inserted into the bottom of the water outlet pipe through the flushing port, a water inlet pipe is provided on the side of the cylinder body, a water replenishment bottle is provided above the water inlet pipe, a gauze roller is provided on the top wall of the top box, gauze is wrapped around the gauze roller, and friction rollers are provided in a linear array inside the cylinder body.
[0005] Furthermore, the side wall of the cylinder is provided with an opening, and a closing plate is hingedly provided at the opening. The lotion making cylinder also includes a spring, a pressure plate, a soap block, a grid one and a grid two. The spring is arranged at the bottom of the top wall of the cylinder, the pressure plate is arranged at the bottom of the spring, and the grid two is arranged below the pressure plate. A slot one is penetrated through the side wall of the cylinder, and the grid one passes through the slot one and is arranged above the grid two, and the soap block is arranged between the grid one and the pressure plate.
[0006] Furthermore, the inner wall of the cylinder is also provided with an insertion hole and a slide groove, the slide groove is symmetrically arranged, the insertion hole is arranged on a side of the inner wall of the cylinder away from the slot one, and the insertion hole and the slide groove are not arranged on the same side wall.
[0007] Furthermore, one side wall of the grille is symmetrically provided with a sliding bar, one side wall of the grille is provided with a handle, the handle is provided on the side of the grille close to the slot one, the handle is provided on the outside of the cylinder, one side wall of the grille is provided with a buckle one, the buckle one is provided on the side of the grille away from the handle, the sliding bar is slidably carded in the sliding groove, and the buckle one is inserted into the socket.
[0008] Preferably, the bottom wall of the grille one fits the top wall of the grille two, and when the buckle one is inserted into the insertion hole, the gap of the grille one is staggered with the gap of the grille two, and the grille one and the grille two separate the cylinder one.
[0009] Furthermore, a friction roller is rotatably arranged on the inner wall of the cylinder, the friction roller is arranged below the second grid, the friction roller includes a roller body, a transmission gear and a sponge layer, the transmission gear is rotatably arranged on the inner wall of the cylinder, the roller body is arranged on the side of the transmission gear away from the side wall of the cylinder, the roller body and the transmission gear are coaxially arranged, the sponge layer is arranged on the circumferential side wall of the roller body, and the transmission gears of adjacent friction rollers are meshed with each other.
[0010] Furthermore, the bottom of the top box is open, and the covering mechanism also includes a bottom frame, which is arranged at the bottom of the top box. The top box and the bottom frame are both made of bendable soft materials. The top of the bottom frame is provided with two buckles, and the bottom wall of the top box is provided with two slots. The two buckles are inserted into the two slots. The top wall of the top box is also provided with a drain outlet, and the drain outlet is arranged on the side of the flushing outlet.
[0011] Furthermore, the water inlet pipe includes a tube body, a valve, an auxiliary port, a transmission rod and fan blades, the tube body is arranged on the side wall of the cylinder, the tube body is communicated with the cylinder, the axis of the tube body is parallel to the axis of the friction roller, the valve is arranged at the end of the water inlet pipe far from the cylinder, the auxiliary port is opened on the top wall of the tube body, the transmission rod is arranged on the inner side of the tube body, the transmission rod is connected to one of the roller bodies, the fan blades are arranged at the end of the transmission rod away from the roller body, and the end of the water inlet pipe away from the cylinder is provided with a connecting pipe, and the connecting pipe is a hose.
[0012] Furthermore, the water replenishment bottle includes a bottle body and a sealing cover, the bottle body is arranged above the tube body, the bottle body is communicated with the auxiliary port, the top of the bottle body is open, the opening at the top of the bottle body is provided with a sealing cover, and the bottle body can be squeezed.
[0013] Furthermore, the side walls of the bottom frame are symmetrically provided with binding straps, a gap is left between the bottom frame and the top box, and the binding straps are elastic.
[0014] The beneficial effects achieved by the present invention using the above structure are as follows: the present solution provides a nursing debridement device. When a patient is injured, the flushing port is aligned with the center of the wound and the covering mechanism is worn on the wound through a strap. The soft material setting of the top box and the bottom frame enables the covering mechanism to fit the injured part. Then, the water outlet pipe of the washing liquid making cylinder is inserted into the flushing port. When there is a faucet nearby, the valve is opened, the connecting pipe is connected to the water source, and the grille one is pulled outward at the same time, so that the gap between the grille one and the grille two overlaps, so that the cylinder body is located above and below the grille one and the grille two. The cylinder is connected, and then water is supplied to the cylinder through an external water source. When water flows through the tube body and passes through the fan blades, the fan blades will drive a friction roller to rotate through a transmission rod, and the friction roller driven by the transmission rod will drive other friction rollers to rotate through a transmission gear. The sponge layer of the friction roller will pass through the gap between the grid one and the grid two, rub the soap block, bring the soap into the water, dissolve the soap in the water, and make soapy water. At the same time, the adjacent friction rollers rotate in opposite directions driven by the transmission gear, which can increase the agitation of the water and accelerate the dissolution of the soap. The made soapy water is washed The wound can be rinsed continuously through the drain port and discharged through the drain port for debridement. If there is normal saline, it can be poured into the bottle after the soapy water rinse is completed, the valve can be closed and the grille can be reinserted inwards, and then the bottle can be squeezed to further rinse the wound with normal saline. If there is no water source in the usage scenario, bottled water can be poured into the water replenishment bottle, the valve can be closed, and water can be replenished into the cylinder by squeezing the bottle to replace the water source. After the debridement is completed, the washing liquid making cylinder can be removed, and then iodine tincture and other disinfectants can be used to further disinfect the wound through the rinse port, and the gauze can be used. One end is pulled out and passed through the gap between the bandage and the bottom frame so that the gauze is located under the bandage. Then, a finger is inserted under the bandage and the gauze is pressed, and the covering mechanism is rotated around the injured part so that the gauze wraps around the wound for bandaging. Then, the top box is removed to allow the wound to breathe. This method can produce a large amount of soapy water in non-home use scenarios, and can bandage the wound after debridement and disinfection, which can effectively care for the wound. At the same time, it can be applied to a variety of scenarios, is easy to carry, and can be reused after disinfection and replenishment of soap bars and gauze. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic diagram of the structure of a nursing debridement device provided by the present invention; Figure 2 A schematic diagram of a mechanism for removing a closing plate from a washing liquid making cylinder provided by the present invention; Figure 3 This is a schematic diagram of the structure of the lotion making cylinder provided by the present invention without the closing plate and the soap block; Figure 4 A schematic diagram of the structure of a grille 1 provided by the present invention; Figure 5It is a schematic structural diagram of the washing liquid making cylinder provided by the present invention without the closing plate, soap block and grid one; Figure 6 A schematic diagram of the structure of the friction roller provided by the present invention; Figure 7 A cross-sectional view of the washing liquid making cylinder provided by the present invention with the closing plate, soap block and grille removed; Figure 8 A schematic diagram of the structure of the covering mechanism provided by the present invention; Fig. 9 A schematic structural diagram of the covering mechanism provided by the present invention from another perspective.
[0016] Among them, 1. lotion making cylinder, 2. covering mechanism, 3. water inlet pipe, 4. gauze roller, 5. water replenishment bottle, 6. strap, 7. friction roller, 101. cylinder, 102. spring, 103. pressure plate, 104. soap block, 105. grille 1, 106. slot 1, 107. socket, 108. grille 2, 109. buckle 1, 110. handle, 111. slide groove, 112. slide bar, 113. outlet Water pipe, 114, closing plate, 201, top box, 202, flushing port, 203, drain port, 204, bottom frame, 205, slot two, 206, buckle two, 301, tube body, 302, valve, 303, auxiliary port, 304, transmission rod, 305, fan blade, 306, connecting pipe, 501, bottle body, 502, sealing cover, 701, transmission gear, 702, roller body, 703, sponge layer.
[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0019] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.
[0020] like Figure 1-Figure 9 As shown, the present invention provides a nursing debridement device, including a lotion making cylinder 1 and a covering mechanism 2, the lotion making cylinder 1 includes a cylinder body 101, a water outlet pipe 113 is provided at the bottom of the cylinder body 101, the covering mechanism 2 includes a top box 201, a flushing port 202 is provided at the top of the top box 201, the flushing port 202 is inserted into the inner side of the water outlet pipe 113, the covering mechanism 2 is inserted into the bottom of the water outlet pipe 113 through the flushing port 202, a water inlet pipe 3 is provided on the side of the cylinder body 101, a water replenishment bottle 5 is provided above the water inlet pipe 3, a gauze roller 4 is provided on the top wall of the top box 201, gauze is wound on the gauze roller 4, and a friction roller 7 is provided in a linear array inside the cylinder body 101.
[0021] Furthermore, an opening is provided on the side wall of the cylinder 101, and a closing plate 114 is hingedly provided at the opening. The lotion making cylinder 1 also includes a spring 102, a pressure plate 103, a soap block 104, a grille 105 and a grille 2 108. The spring 102 is arranged at the bottom of the top wall of the cylinder 101, the pressure plate 103 is arranged at the bottom of the spring 102, the grille 2 108 is arranged below the pressure plate 103, a slot 106 is penetrated through the side wall of the cylinder 101, the grille 105 passes through the slot 106 and is arranged above the grille 2 108, and the soap block 104 is arranged between the grille 105 and the pressure plate 103.
[0022] Furthermore, the inner wall of the cylinder 101 is also provided with a socket 107 and a slide groove 111, and the slide groove 111 is symmetrically arranged. The socket 107 is arranged on a side of the inner wall of the cylinder 101 away from the slot 106, and the socket 107 and the slide groove 111 are not arranged on the same side wall.
[0023] Furthermore, the side wall of the grille 105 is symmetrically provided with a sliding bar 112, the side wall of the grille 105 is provided with a handle 110, the handle 110 is arranged on the side of the grille 105 close to the slot 106, the handle 110 is arranged on the outside of the cylinder 101, the side wall of the grille 105 is provided with a buckle 109, the buckle 109 is arranged on the side of the grille 105 away from the handle 110, the sliding bar 112 is slidably carded in the sliding groove 111, and the buckle 109 is inserted in the socket 107.
[0024] Preferably, the bottom wall of grille 105 fits the top wall of grille 2 108, and when buckle 109 is inserted into plug hole 107, the gap of grille 105 and the gap of grille 2 108 are staggered, and grille 105 and grille 2 108 separate cylinder 101.
[0025] Further, the friction roller 7 is rotatably arranged on the inner wall of the cylinder 101, and the friction roller 7 is arranged below the grid 108. The friction roller 7 includes a roller body 702, a transmission gear 701 and a sponge layer 703. The transmission gear 701 is rotatably arranged on the inner wall of the cylinder 101, and the roller body 702 is arranged on the side of the transmission gear 701 away from the side wall of the cylinder 101. The roller body 702 and the transmission gear 701 are coaxially arranged, and the sponge layer 703 is arranged on the circumferential side wall of the roller body 702. The transmission gears 701 of adjacent friction rollers 7 are meshed with each other.
[0026] Furthermore, the bottom of the top box 201 is open, and the covering mechanism 2 also includes a bottom frame 204, which is arranged at the bottom of the top box 201. The top box 201 and the bottom frame 204 are both made of bendable soft materials. A second buckle 206 is provided on the top of the bottom frame 204, and a second slot 205 is provided on the bottom wall of the top box 201. The second buckle 206 is inserted into the second slot 205. The top wall of the top box 201 is also provided with a drain outlet 203, and the drain outlet 203 is arranged on the side of the flushing outlet 202.
[0027] Furthermore, the water inlet pipe 3 includes a tube body 301, a valve 302, an auxiliary port 303, a transmission rod 304 and a fan blade 305. The tube body 301 is arranged on the side wall of the cylinder 101, the tube body 301 is communicated with the cylinder 101, the axis of the tube body 301 is parallel to the axis of the friction roller 7, the valve 302 is arranged at the end of the water inlet pipe 3 far from the cylinder 101, the auxiliary port 303 is opened on the top wall of the tube body 301, the transmission rod 304 is arranged on the inner side of the tube body 301, the transmission rod 304 is connected to one of the roller bodies 702, the fan blade 305 is arranged at the end of the transmission rod 304 away from the roller body 702, and the end of the water inlet pipe 3 away from the cylinder 101 is provided with a connecting pipe 306, and the connecting pipe 306 is a hose.
[0028] Furthermore, the water replenishment bottle 5 includes a bottle body 501 and a sealing cover 502. The bottle body 501 is arranged above the tube body 301. The bottle body 501 is communicated with the auxiliary port 303. The top of the bottle body 501 is open. The sealing cover 502 is provided at the opening at the top of the bottle body 501, and the bottle body 501 can be squeezed.
[0029] Furthermore, the side walls of the bottom frame 204 are symmetrically provided with binding straps 6 , a gap is left between the bottom frame 204 and the top box 201 , and the binding straps 6 are elastic.
[0030] In specific use, after the patient is injured, the flushing port 202 is aligned with the center of the wound and the covering mechanism 2 is worn on the wound through the strap 6. The soft material setting of the top box 201 and the bottom frame 204 can make the covering mechanism 2 fit the injured part. Then, the water outlet pipe 113 of the washing liquid making cylinder 1 is inserted into the flushing port 202. When there is a water source such as a faucet nearby, the valve 302 is opened, and the connecting pipe 306 is connected to the water source. At the same time, the grille 105 is pulled outward through the handle 110, so that the gap between the grille 105 and the grille 2 108 overlaps, so that the cylinder body 101 is located above the grille 105 and the grille 2 108. The cylinder 101 is connected to the lower part, and then water is supplied to the cylinder 101 through an external water source. When water flows through the fan blades 305 in the tube body 301, the fan blades 305 will drive a friction roller 7 to rotate through the transmission rod 304. The friction roller 7 driven by the transmission rod 304 will drive other friction rollers 7 to rotate through the transmission gear 701. The sponge layer 703 of the friction roller 7 will pass through the gap between the grid 105 and the grid 2 108 to rub the soap block 104, bring the soap into the water, dissolve the soap in the water, and make soapy water. Driven by the spring 102, the pressing plate 103 continues to push the soap block 104 to the grid 110. 05 extrusion, the adjacent friction rollers 7 rotate in opposite directions under the drive of the transmission gear 701, which can increase the agitation of the water and accelerate the dissolution of the soap. The prepared soapy water continuously rinses the wound through the flushing port 202 and is discharged through the drain port 203 to clean the wound. If there is no water source in the use scenario, the sealing cover 502 can be opened, bottled water or other stored water can be poured into the water replenishing bottle 5, and then the sealing cover 502 can be closed, and then the valve 302 can be closed, and the bottle body 501 can be squeezed to replenish water into the cylinder body 101, thereby replacing the water source; after the cleansing is completed, the lotion making cylinder 1 is removed, and then the peroxide is used through the flushing port 202. The wound is further disinfected with disinfectants such as hydrogen chloride solution and iodine tincture, and then the end of the gauze is pulled out and passed through the gap between the bandage 6 and the bottom frame 204, so that the gauze is located under the bandage 6. Then, the fingers are inserted under the bandage 6 and press the gauze, and the covering mechanism 2 is pulled above the injured part and rotated around the injured limb. During the rotation, the gauze covers the wound before the bandage 6 to prevent the bandage 6 from rubbing against the wound and causing secondary damage to the wound. The gauze is wrapped around the wound and bandaged. Then, the covering mechanism 2 is re-positioned directly above the wound, and the top box 201 is removed to allow the wound to breathe.
[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0032] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.
Claims
1. A nursing debridement device, characterized in that: The invention comprises a washing liquid making cylinder (1) and a covering mechanism (2), wherein the washing liquid making cylinder (1) comprises a cylinder body (101), a water outlet pipe (113) is provided at the bottom of the cylinder body (101), the covering mechanism (2) comprises a top box (201), a flushing port (202) is provided at the top of the top box (201), the flushing port (202) is inserted into the inner side of the water outlet pipe (113), the covering mechanism (2) is inserted into the bottom of the water outlet pipe (113) through the flushing port (202), a water inlet pipe (3) is provided on the side of the cylinder body (101), a water replenishment bottle (5) is provided above the water inlet pipe (3), a gauze roller (4) is provided on the top wall of the top box (201), gauze is wound around the gauze roller (4), and a friction roller (5) is provided in a linear array inside the cylinder body (101). A wiping roller (7), wherein the side wall of the cylinder (101) is provided with an opening, and a closing plate (114) is hingedly provided at the opening. The washing liquid making cylinder (1) further comprises a spring (102), a pressing plate (103), a soap block (104), a first grille (105) and a second grille (108), wherein the spring (102) is arranged at the bottom of the top wall of the cylinder (101), the pressing plate (103) is arranged at the bottom of the spring (102), the second grille (108) is arranged below the pressing plate (103), a first slot (106) is penetrated through the side wall of the cylinder (101), the first grille (105) passes through the first slot (106) and is arranged above the second grille (108), and the soap block (104) is arranged between the first grille (105) and the pressing plate (103).
2. A nursing debridement device according to claim 1, characterized in that: The inner wall of the cylinder (101) is further provided with an insertion hole (107) and a slide groove (111), wherein the slide groove (111) is symmetrically arranged, and the insertion hole (107) is arranged on a side of the inner wall of the cylinder (101) away from the first slot (106), and the insertion hole (107) and the slide groove (111) are not arranged on the same side wall.
3. A nursing debridement device according to claim 2, characterized in that: The friction roller (7) is rotatably disposed on the inner wall of the cylinder (101), the friction roller (7) being disposed below the second grid (108), the friction roller (7) comprising a roller body (702), a transmission gear (701) and a sponge layer (703), the transmission gear (701) being rotatably disposed on the inner wall of the cylinder (101), the roller body (702) being disposed on a side of the transmission gear (701) away from the side wall of the cylinder (101), the roller body (702) being coaxially disposed with the transmission gear (701), the sponge layer (703) being disposed on the circumferential side wall of the roller body (702), and the transmission gears (701) of adjacent friction rollers (7) being meshed with each other.
4. A nursing debridement device according to claim 3, characterized in that: The top box (201) has an opening at the bottom, and the covering mechanism (2) further comprises a bottom frame (204), the bottom frame (204) being arranged at the bottom of the top box (201), a second plug buckle (206) being arranged at the top of the bottom frame (204), a second slot (205) being arranged at the bottom wall of the top box (201), the second plug buckle (206) being inserted into the second slot (205), and a drainage outlet (203) being arranged at the side of the flushing outlet (202) at the top wall of the top box (201).
5. A nursing debridement device according to claim 4, characterized in that: The side wall of the grille one (105) is symmetrically provided with a sliding bar (112), the side wall of the grille one (105) is provided with a handle (110), the handle (110) is provided on a side of the grille one (105) close to the slot one (106), the handle (110) is provided on the outside of the cylinder (101), the side wall of the grille one (105) is provided with a plug buckle one (109), the plug buckle one (109) is provided on a side of the grille one (105) away from the handle (110), the sliding bar (112) is slidably locked in the sliding groove (111), and the plug buckle one (109) is inserted in the insertion hole (107).
6. A nursing debridement device according to claim 5, characterized in that: The water inlet pipe (3) comprises a pipe body (301), a valve (302), an auxiliary port (303), a transmission rod (304) and a fan blade (305); the pipe body (301) is arranged on the side wall of the cylinder (101); the pipe body (301) is in communication with the cylinder (101); the axis of the pipe body (301) is parallel to the axis of the friction roller (7); the valve (302) is arranged at one end of the water inlet pipe (3) far from the cylinder (101); the auxiliary port (303) is opened on the top wall of the pipe body (301); the transmission rod (304) is arranged on the inner side of the pipe body (301); the transmission rod (304) is transmission-connected to one of the roller bodies (702); the fan blade (305) is arranged at one end of the transmission rod (304) far from the roller body (702); and a connecting pipe (306) is provided at one end of the water inlet pipe (3) far from the cylinder (101).
7. A nursing debridement device according to claim 6, characterized in that: The water replenishment bottle (5) comprises a bottle body (501) and a sealing cover (502); the bottle body (501) is arranged above the tube body (301); the bottle body (501) is in communication with the auxiliary port (303); the top of the bottle body (501) is open; and the sealing cover (502) is arranged at the opening at the top of the bottle body (501).
8. The nursing debridement device according to claim 7, characterized in that: The side walls of the bottom frame (204) are symmetrically provided with binding straps (6).
