Intestinal malabsorber implantation device

Abstract

The application discloses an intestinal anti-absorber placing device and belongs to the technical field of medical devices. The device mainly comprises an inner tube, an outer tube sleeved outside the inner tube, a middle tube interposed between the inner tube and the outer tube and connected with the inner tube, and a stopper. A guide head is arranged outside the outer tube on the inner tube. The stopper is connected to one end of the middle tube close to the guide head. A containing cavity is arranged between the stopper and the guide head in the inner cavity of the outer tube. The outer tube and the inner tube can slide relative to each other along the axial direction. The outer tube can be moved relative to the inner tube to open or close the containing cavity. The intestinal anti-absorber placing device further comprises a clamping piece arranged at one end of the stopper close to the containing cavity. The intestinal anti-absorber can be clamped between the outer wall of the clamping piece and the inner wall of the outer tube. The intestinal anti-absorber placing device can adjust the position of the intestinal anti-absorber during the placing process, thereby improving the success rate of surgery.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to an intestinal anti-absorption device. Background Technology

[0002] Intestinal anti-absorption devices can be used clinically to help control metabolic diseases such as obesity, diabetes, and non-alcoholic fatty liver disease, and have promising application prospects.

[0003] See Figure 1 As shown, the working principle of the intestinal anti-absorption device 100 is as follows: The intestinal anti-absorption device 100 includes a support body 110 and a membrane tube 120 connected to one end of the support body 110. The intestinal anti-absorption device 100 is inserted into the human body through an insertion device, allowing the membrane tube 120 to be inserted into the duodenum to isolate chyme. Food from the stomach passes through the lumen of the membrane tube 120 after insertion, while bile and pancreatic juice are isolated outside the membrane tube 120, causing bile and pancreatic juice to "divide" with food, blocking the digestion and absorption of food in the intestine, and regulating the secretion of digestive enzymes, thereby regulating blood sugar and blood lipids and controlling weight. However, existing intestinal anti-absorption device insertion devices do not facilitate secondary adjustment of the position of the intestinal anti-absorption device during the release process.

[0004] Therefore, it is necessary to provide a new intestinal anti-absorption device. Summary of the Invention

[0005] In view of the above-mentioned problems in the prior art, the purpose of this invention is to provide an intestinal anti-absorption device that can make secondary adjustments to the position of the intestinal anti-absorption device during the insertion process, thereby improving the success rate of the surgery.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: an intestinal anti-absorption device, comprising an inner tube, an outer tube sleeved outside the inner tube, a middle tube between the inner tube and the outer tube and connected to the inner tube, and a stop block. A guide head is provided on the inner tube outside the outer tube. The stop block is connected to the end of the middle tube near the guide head, so that a receiving cavity is provided in the inner cavity of the outer tube and between the stop block and the guide head. The outer tube and the inner tube can slide relative to each other axially. The movement of the outer tube relative to the inner tube can open or close the receiving cavity. The intestinal anti-absorption device also includes a clamping member located at the end of the stop block near the receiving cavity. The intestinal anti-absorption device can be clamped between the outer wall of the clamping member and the inner wall of the outer tube.

[0007] Furthermore, the stop includes a protrusion connected to the middle tube for blocking the corresponding end of the intestinal anti-absorption device, and a plug disposed at the end of the protrusion away from the retaining member. The plug is inserted into and fixed in the middle tube, and the end of the protrusion exposed outside the middle tube is provided with a retaining end face.

[0008] Furthermore, the retaining member is integrally connected to the boss in the stop block.

[0009] Furthermore, the stop block is provided with a groove on the outer wall of the retaining member.

[0010] Furthermore, the retaining member and the boss in the stop block are separate structures, with the retaining member sleeved on the inner tube.

[0011] Furthermore, the outer side wall of the retaining member is provided with several protrusions.

[0012] Furthermore, the intestinal anti-absorption device also includes a first handle fixedly connected to the inner tube and the middle tube, and a second handle fixedly connected to the outer tube.

[0013] Furthermore, the ends of the middle tube and the inner tube furthest from the guide head are both fixedly engaged with the first handle. The second handle has a cylindrical structure and is sleeved on the outside of the middle tube. The corresponding end of the outer tube is inserted into and fixed to the second handle.

[0014] Furthermore, the guide head has a conical structure.

[0015] Furthermore, the elastic intestinal anti-absorption device can be compressed and released when it is freed from its restraints.

[0016] The beneficial effects of the present invention are as follows: The intestinal anti-absorption device provided by the present invention further includes a retaining member located at one end of the stop block near the receiving cavity. The intestinal anti-absorption device can be clamped between the outer wall of the retaining member and the inner wall of the outer tube until the outer tube moves to expose the retaining member. At this time, the intestinal anti-absorption device is completely released. Thus, the intestinal anti-absorption device provided by the embodiment of the present invention can close or open the receiving cavity by moving the outer tube relative to the inner tube, so that the intestinal anti-absorption device placed in the receiving cavity automatically unfolds and completes release when the receiving cavity is opened. Compared with the prior art, before the retaining member on the stop block is exposed outside the outer tube, the intestinal anti-absorption device is always clamped between the outer wall of the retaining member and the inner wall of the outer tube. It can be forced to re-enter the receiving cavity by moving the outer tube relative to the inner tube to close it again, so as to make secondary adjustments to the position of the intestinal anti-absorption device, which helps to improve the success rate of the operation. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] In the picture: Figure 1 This is a schematic diagram showing the location of the intestinal anti-absorption device in the human body.

[0019] Figure 2 This is a schematic diagram of the intestinal anti-absorption device provided in Embodiment 1 of the present invention.

[0020] Figure 3 This is a schematic diagram of a portion of the structure of the intestinal anti-absorption device placement device provided in Embodiment 1 of the present invention.

[0021] Figure 4 This is a schematic diagram of a portion of the structure of the intestinal anti-absorption device placement device provided in Embodiment 1 of the present invention.

[0022] Figure 5 This is a schematic diagram of the structure of the stop provided in Embodiment 1 of the present invention in the first case.

[0023] Figure 6 This is a schematic diagram of the structure of the stop provided in Embodiment 1 of the present invention in the second case.

[0024] Figure 7 This is a schematic diagram of the block provided in Embodiment 1 of the present invention in the third case.

[0025] Figure 8 This is a schematic diagram of the block provided in Embodiment 1 of the present invention in the fourth case.

[0026] Figure 9 This is a three-dimensional schematic diagram of the locking component provided in Embodiment 1 of the present invention.

[0027] Figure 10 This is a schematic diagram of a portion of the structure of the intestinal anti-absorption device placement device provided in Embodiment 2 of the present invention.

[0028] Figure 11 This is a three-dimensional schematic diagram of the card holder provided in Embodiment 2 of the present invention.

[0029] In the figure, the following labels are used: 100, intestinal anti-absorption device; 110, support body; 120, membrane tube; 200, stomach; 210, duodenum; 220, pylorus.

[0030] 1. Inner tube; 11. Guide head; 2. Outer tube; 21. Flange; 3. Middle tube; 4. Stop block; 41. Boss; 411. Supporting end face; 42. Plug; 43. Groove; 5. Receiving cavity; 6. First handle; 61. First port; 7. Second handle; 71. Fastener; 72. Second port; 73. Adjusting component; 74. Locking component; 741. Clamping block; 75. Sealing component; 8. Holding component; 81. Protrusion. Detailed Implementation

[0031] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0032] It should be noted that when a component is referred to as "connected to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0034] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "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 the present 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 the present invention.

[0035] Throughout this specification, reference to "an embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment is included in at least one embodiment of this application. Therefore, the phrases "in one embodiment," "in some embodiments," or "in some of these embodiments" appear in various places throughout the specification, and not all refer to the same embodiment. Furthermore, in one or more embodiments, a particular feature, structure, or characteristic may be combined in any suitable manner.

[0036] Example 1

[0037] Please refer to Figure 2As shown, an intestinal anti-absorption device insertion device provided by an embodiment of the present invention will now be described. The intestinal anti-absorption device insertion device provided by this embodiment of the present invention is used to release an intestinal anti-absorption device 100 into the human body. The intestinal anti-absorption device insertion device includes an inner tube 1, an outer tube 2 sleeved outside the inner tube 1, a middle tube 3 between the inner tube 1 and the outer tube 2 and connected to the inner tube 1, and a stop block 4. One end of the inner tube 1 is provided with a guide head 11 located outside the outer tube 2. The stop block 4 is connected to the end of the middle tube 3 near the guide head 11, such that the inner cavity of the outer tube 2 and between the stop block 4 and the guide head 11 are provided with a receiving cavity 5. The receiving cavity 5 is used to accommodate the intestinal anti-absorption device 100 in a folded state. The outer tube 2 and the inner tube 1 can slide relative to each other axially. When the outer tube 2 moves relative to the inner tube 1 to the guide head 11, the receiving cavity 5 is closed, allowing the intestinal anti-absorption device to be released. The intestinal anti-absorption device 100 can be confined within the receiving cavity 5 inside the outer tube 2; and when the outer tube 2 moves relative to the inner tube 1 to disengage from the guide head 1, the receiving cavity 5 opens, allowing the intestinal anti-absorption device 100 to automatically unfold through its own elastic restoring force, thus completing the release of the intestinal anti-absorption device 100. The stop block 4 is used to block the corresponding end of the intestinal anti-absorption device 100. The intestinal anti-absorption device insertion device also includes a retaining member 8 located at the end of the stop block 4 near the receiving cavity 5. The intestinal anti-absorption device 100 can be clamped between the outer wall of the retaining member 8 and the inner wall of the outer tube 2 until the outer tube 2 moves to expose the retaining member 8, at which point the intestinal anti-absorption device 100 is completely released. Therefore, the intestinal anti-absorption device provided in this embodiment of the invention can close or open the receiving cavity 5 by moving the outer tube 2 relative to the inner tube 1. When the receiving cavity 5 is opened, the intestinal anti-absorption device 100 automatically unfolds and is released. Compared with the prior art, before the retaining member 8 on the stop block 4 is exposed outside the outer tube 2, the intestinal anti-absorption device 100 is always clamped between the outer wall of the retaining member 8 and the inner wall of the outer tube 2. The outer tube 2 can move relative to the inner tube 1 to the receiving cavity 5 and close again, which can force the intestinal anti-absorption device 100 to be re-entered into the receiving cavity 5, so as to make secondary adjustments to the position of the intestinal anti-absorption device 100, which helps to improve the success rate of the operation.

[0038] In some embodiments, the elastic intestinal anti-absorption device 100 can be compressed and released and unfolded when unrestrained, such as... Figure 1 As shown, the unfolded intestinal anti-absorption device 100 has a support body 110 that is restricted at the pylorus 220. The main function of the support body 110 is to fix the position of the membrane tube 120, so that the membrane tube 120 is placed and stays in the duodenum 210.

[0039] In some embodiments, the stent 110 is a rhomboid structure woven from elastic filaments. This structure allows the stent 110 to be compressed or expanded in both the transverse and longitudinal directions, exhibiting good elastic deformation capabilities. This facilitates the compression of the stent 110 and its insertion into the receiving cavity 5 of the intestinal anti-absorption device. In some embodiments, the elastic filaments can be metal wires, polymer material filaments, or biodegradable material filaments.

[0040] like Figure 2 As shown, in some embodiments, the guide head 11 has a tapered structure, which facilitates passage through the tissue wall. Furthermore, the guide head 11 is made of a soft material, which will not damage the tissue wall.

[0041] like Figure 3 As shown, in some embodiments, the inner tube 1 is a hollow tubular structure. Thus, in use, the intestinal anti-absorption device can be guided to a designated position by inserting a guidewire through the inner tube 1. More specifically, before using the intestinal anti-absorption device, the guidewire is inserted into the human intestine through the endoscopic forceps channel, held in its original position, and the endoscope is withdrawn. Then, the intestinal anti-absorption device provided in this embodiment is guided into the duodenum through the guidewire, and subsequently, the intestinal anti-absorption device 100 is released by operating the intestinal anti-absorption device.

[0042] like Figure 5 As shown, in some embodiments, the retaining member 8 is integrally connected to the boss 41.

[0043] like Figure 5 As shown, in some embodiments, the stop 4 includes a boss 41 connected to the central tube 3 for blocking the corresponding end of the intestinal anti-absorption device 100, and a plug 42 disposed on the end of the boss 41 away from the retaining member 8, while referring to Figure 3 The plug 42 is inserted into and fixed in the middle tube 3, and the end of the protrusion 41 exposed outside the middle tube 3 has a supporting end face 411. Thus, when the outer tube 2 slides relative to the inner tube 1 to open the receiving cavity 5, the supporting end face 411 obstructs the intestinal anti-absorption device 100, making it difficult for the intestinal anti-absorption device 100 to move with the outer tube 2 and slide relative to the inner tube 1. In addition, the stop block 4 can be made of platinum, gold, tantalum, or other harmless heavy metal materials, thus also serving a imaging function to accurately display its position under X-ray, facilitating operator operation.

[0044] like Figure 6 , Figure 7 , Figure 8As shown, in some embodiments, a groove 43 is provided on the stop block 4 and on the outer wall of the retaining member 8. The groove 43 is used for the intestinal anti-absorption device 100 to be inserted into the compressed state, so as to further strengthen the clamping and fixing of the intestinal anti-absorption device 100. In addition to the clamping force between the outer wall of the retaining member 8 and the inner wall of the outer tube 2, the intestinal anti-absorption device 100 is also held by the groove 43. In some embodiments, the longitudinal section shape of the groove 43 can be straight, circular, or U-shaped.

[0045] like Figure 2 As shown, in some embodiments, the intestinal anti-absorption device also includes a first handle 6 fixedly connected to the inner tube 1 and the middle tube 3, and a second handle 7 fixedly connected to the outer tube 2, so that the operator holds the first handle 6 and the second handle 7 to control the movement of the outer tube 2 relative to the inner tube 1.

[0046] like Figure 4 As shown, in some embodiments, the ends of the middle tube 3 and the inner tube 1 furthest from the guide head 11 are both fixedly engaged with the first handle 6, thereby fixing the middle tube 3 and the inner tube 1 relative to each other. In this embodiment, the middle tube 3 is inserted into and fixed to the first handle 6, and the inner tube 1 passes through the middle tube 3 and is inserted into and fixed to the first handle 6.

[0047] like Figure 4 As shown, in some embodiments, the first handle 6 is provided with a first port 61 communicating with the inner cavity of the inner tube 1. More precisely, the first port 61 is positioned opposite to the end of the inner tube 1 so that the guide wire can smoothly pass through the first port 61 into the inner tube 1 to guide the intestinal anti-absorption device placement device.

[0048] like Figure 5 As shown, in some embodiments, the second handle 7 has a cylindrical structure and is sleeved on the outside of the middle tube 3. The outer tube 2 is inserted into and fixed to the second handle 7 at one end. Specifically, the second handle 7 has a fastener 71 at one end near the guide head 11, and the outer tube 2 has a flange 21 at one end near the second handle 7. The fastener 71 is connected to the second handle 7 and the flange 21 is clamped and fixed to the second handle 7. In this embodiment, the fastener 71 is screwed into the second handle 7, so that the fastener 71 can be detachably connected to the second handle 7, and at the same time, it is convenient to install and remove the outer tube 2 and the second handle 7.

[0049] like Figure 4As shown, in some embodiments, a second port 72 is provided on the outer side of the second handle 7. The second port 72 connects the gap between the inner cavity of the second handle 7 and the middle tube 3, as well as the gap between the outer tube 2 and the middle tube 3. The gap between the outer tube 2 and the middle tube 3 connects to the receiving cavity 5. Specifically, the stop block 4 is spaced apart from the inner wall of the outer tube 2, so that the gap between the outer tube 2 and the middle tube 3 can connect to the receiving cavity 5. With the above design, during the process of moving the outer tube 2 relative to the inner tube 1 to release the intestinal anti-absorption device 100, a certain amount of water or saline can be injected into the second port 72. The water or saline enters the receiving cavity 5 through the gap between the outer tube 2 and the middle tube 3, immersing the intestinal anti-absorption device 100 and accelerating the release of the intestinal anti-absorption device 100 in the duodenum. This is because when the intestinal anti-absorption device 100 is released, the membrane tube 120 moves from the duodenum to the jejunum along with the peristalsis of the human intestine. During this process, water or saline will flow along the gap between the outer tube 2 and the middle tube 3 to the membrane tube 120, accelerating the peristalsis of the membrane tube 120 towards the jejunum, thereby accelerating the release of the membrane tube 120 and the intestinal anti-absorption device 100.

[0050] To prevent accidental movement of the outer tube 2 relative to the inner tube 1, thus avoiding accidental release of the intestinal anti-absorption device 100, such as... Figure 4 As shown, in some embodiments, the end of the second handle 7 away from the fastener 71 is provided with an adjusting member 73. The adjusting member 73 is used to lock the middle tube 3 to the second handle 7, thereby fixing the inner tube 1 relative to the outer tube 2. Specifically, the adjusting member 73 is screwed onto the second handle 7, and a locking member 74 sleeved on the middle tube 3 is sandwiched between the second handle 7 and the adjusting member 73. (Refer to...) Figure 9 As shown, the locking member 74 is provided with several clamping blocks 741 arranged around the middle tube 3. The adjusting member 73 is screwed into the second handle 7. When the adjusting member 73 is rotated to be close to the second handle 7, the clamping blocks 741 retract and clamp onto the middle tube 3, thereby locking the middle tube 3 and the second handle 7, fixing the inner tube 1 relative to the outer tube 2. This can prevent accidental release of the intestinal anti-absorption device 100. When the adjusting member 73 is rotated to be away from the second handle 7, the clamping blocks 741 open and disengage from the middle tube 3, thereby releasing the locking relationship between the inner tube 1 and the outer tube 2.

[0051] like Figure 4 As shown, in some embodiments, a seal 75 with good elasticity and sealing performance is installed between the locking member 74 and the second handle 7. The seal 75 seals against the second handle 7 and the locking member 74 to prevent fluid injected from the second port 72 from overflowing from the end of the second handle 7 near the adjusting member 73.

[0052] In some embodiments, when the intestinal anti-absorption device 100 is released, the inner tube 1 is fixed and the outer tube 2 is moved to open the receiving cavity 5 to complete the release of the intestinal anti-absorption device 100.

[0053] The operation of the intestinal anti-absorption device provided in the embodiments of the present invention will be described below:

[0054] First, the folded intestinal anti-absorption device 100 is retracted into the receiving cavity 5. Then, guided by the guide wire, the guide head 11 of the intestinal anti-absorption device insertion device is inserted into the body. The first handle 6 is fixed in place, the adjustment member 73 is unlocked, and the second handle 7 is pulled back to be close to the first handle 6 until the intestinal anti-absorption device 100 is fully released and unfolded. When the outer tube 2 is not completely misaligned with the retaining member 8, the end of the intestinal anti-absorption device 100 near the retaining member 8 is always locked by the retaining member 8 and the outer tube 2. The receiving cavity 5 can be closed again, so that the intestinal anti-absorption device 100 is at least partially retracted into the receiving cavity 5. The position of the intestinal anti-absorption device 100 can be adjusted a second time by the intestinal anti-absorption device insertion device.

[0055] Example 2

[0056] like Figure 10 As shown, the difference between the intestinal anti-absorption device placement device provided in Embodiment 2 and the intestinal anti-absorption device placement device provided in Embodiment 1 is only that: the groove 43 on the stop block 4 is omitted, and the retaining member 8 and the boss 41 are separate structures. The retaining member 8 is sleeved on the inner tube 1, so that the intestinal anti-absorption device 100 can be clamped between the retaining member 8 and the outer tube 2. More precisely, a number of protrusions 81 are provided on the outer side wall of the retaining member 8. The protrusions 81 squeeze the intestinal anti-absorption device 100 to generate a small amount of elastic deformation, increasing the resistance between the retaining member 8 and the intestinal anti-absorption device 100, so that the intestinal anti-absorption device 100 can be more firmly locked on the intestinal anti-absorption device placement device.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An intestinal anti-absorption device, characterized in that: The device includes an inner tube, an outer tube fitted over the inner tube, a middle tube between the inner and outer tubes and connected to the inner tube, and a stop block. A guide head is located on the inner tube outside the outer tube. The stop block is connected to the end of the middle tube near the guide head, creating a receiving cavity within the outer tube's inner cavity, between the stop block and the guide head. The outer and inner tubes can slide relative to each other axially. Movement of the outer tube relative to the inner tube opens or closes the receiving cavity. The intestinal anti-absorption device also includes a clamping member located near the receiving cavity at the end of the stop block. The intestinal anti-absorption device can be clamped between the outer wall of the clamping member and the inner wall of the outer tube. The intestinal anti-absorption device also includes a second handle fixedly connected to the outer tube. The second handle has a cylindrical structure and is fitted over the outer side of the middle tube, with the corresponding end of the outer tube inserted... The second handle is fixed to the second handle. The outer side of the second handle is provided with a second port, which connects the gap between the inner cavity of the second handle and the middle tube, as well as the gap between the outer tube and the middle tube. The gap between the outer tube and the middle tube connects to the receiving cavity. An adjusting member is provided at the end of the second handle away from the fastener. The adjusting member is screwed onto the second handle. A locking member is sandwiched between the second handle and the adjusting member and is sleeved on the middle tube. The locking member is provided with several clamping blocks arranged around the middle tube. The adjusting member is screwed onto the second handle. When the adjusting member is rotated to be close to the second handle, the clamping blocks retract and clamp onto the middle tube, locking the middle tube and the second handle, thus fixing the inner tube relative to the outer tube. When the adjusting member is rotated to be away from the second handle, the clamping blocks open and disengage from the middle tube, releasing the locking relationship between the inner tube and the outer tube.

2. The intestinal anti-absorption device according to claim 1, characterized in that: The block includes a protrusion connected to the middle tube for blocking the corresponding end of the intestinal anti-absorption device, and a plug disposed at the end of the protrusion away from the retaining member. The plug is inserted into and fixed in the middle tube, and the end of the protrusion exposed outside the middle tube is provided with a retaining end face.

3. The intestinal anti-absorption device according to claim 2, characterized in that: The retaining member is integrally connected to the boss in the stop block.

4. The intestinal anti-absorption device according to claim 3, characterized in that: The stop block has a groove on its outer wall, which is located on the outer side of the retaining member.

5. The intestinal anti-absorption device according to claim 2, characterized in that: The retaining member and the boss in the stop block are separate structures, and the retaining member is sleeved on the inner tube.

6. The intestinal anti-absorption device according to claim 5, characterized in that: The outer side wall of the retaining member has several protrusions.

7. The intestinal anti-absorption device according to claim 1, characterized in that: The intestinal anti-absorption device also includes a first handle that is fixedly connected to the inner tube and the middle tube.

8. The intestinal anti-absorption device according to claim 7, characterized in that: The ends of the middle tube and inner tube furthest from the guide head are both fixedly engaged with the first handle.

9. The intestinal anti-absorption device according to claim 1, characterized in that: The guide head has a conical structure.

10. The intestinal anti-absorption device according to claim 1, characterized in that: The elastic intestinal anti-absorption device can be compressed and released when it is no longer restrained.

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