Intraperitoneal tissue containment pouch

Abstract

The utility model discloses an intra-abdominal tissue storage bag belongs to the field of medical devices, and it comprises: the bag body has the bag mouth, and the outer wall sleeve of bag body is provided with a plurality of support rings, and adjacent support rings can move within a working stroke, and when adjacent support rings move to the minimum spacing, each support ring is in the same plane and does not contact each other, when adjacent support rings move to the maximum spacing, the bag body is in the unfolded state, the collection coil is partially arranged in the bag mouth, and when the part of collection coil in the bag mouth moves to the outside of bag mouth, the bag mouth is collected. Through the above setting, the utility model can be changed into the flat state under the elastic action of support ring after entering the abdominal cavity of patient and further change into the unfolded state under the action of gravity, and the plurality of support rings can maintain the form of storage cavity, reduce the difficulty of tumor tissue alignment and entering the bag mouth.

Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, specifically relating to an intra-abdominal tissue storage bag. Background Technology

[0002] In minimally invasive abdominal tumor surgery, tumor storage bags are crucial instruments used to encapsulate resected tissue and prevent cell spread. Current techniques often employ flexible silicone or polyurethane materials to create foldable storage bags, which are inserted into the body through the laparoscopic cannula. Traditional methods primarily utilize fully flexible bags without support structures, relying on instruments for unfolding.

[0003] Flexible storage bags are prone to asymmetrical deformation when passing through narrow passages, causing the bag opening to deviate in direction. Clinical data shows that when existing storage bags are inserted through a cannula, the bag opening repositioning error reaches 8-15mm due to intra-abdominal pressure differences and interference from surrounding tissues, forcing the surgeon to make 3-5 additional adjustments to the bag's position and extending the operation time by 12-18 minutes.

[0004] Therefore, a storage bag was designed that can be repositioned and unfolded after deforming and entering the patient's abdominal cavity. Specifically, this storage bag is an intra-abdominal tissue storage bag. Utility Model Content

[0005] To overcome the problem that existing storage bags deform after entering the abdominal cavity and hinder the connection between the bag opening and tumor tissue, this utility model adopts the following technical solution: The bag body has an opening. Multiple support rings are fitted onto the outer wall of the bag body. Adjacent support rings can move within a working stroke. When adjacent support rings reach their minimum distance, they are on the same plane and do not contact each other; when adjacent support rings reach their maximum distance, the bag body is in an unfolded state. A coil is inserted into the opening. When the portion of the coil inside the opening moves outward, the opening closes. To close the bag opening, the user uses one hand to position and hold the device, and the other hand to pull the coil outward, thus completing the closure of the bag opening.

[0006] Furthermore, the inner ring of the bag opening is provided with a threading cavity, and the outer wall of the bag opening is provided with a thread-passing hole, which communicates with the threading cavity.

[0007] Furthermore, the outer wall of the bag is provided with a clamping part.

[0008] Furthermore, when each of the support rings moves to the same plane, the bag body is in a flattened state. At this time, the portion of the bag body between adjacent support rings is folded and compressed, and the centers of the adjacent support rings coincide. Support rings of different diameters can prevent them from stacking when the bag body is in a flattened state, thereby helping to reduce the thickness of the bag body in the flattened state.

[0009] Furthermore, when the bag body changes from a flattened state to an unfolded state, the bag body has a storage cavity with a gradually increasing volume.

[0010] Furthermore, when the bag is in a flattened state and the bottom of the bag is facing the ground, the bottom of the bag moves away from the bag opening under the action of gravity, and the bag changes from a flattened state to an unfolded state.

[0011] Furthermore, when the two sides of the flattened bag are rotated and folded towards the same side of the bag, the bag is in a folded state; when the bag is in a folded state and the bottom of the bag is facing the ground, it can maintain the folded state.

[0012] Furthermore, the inner wall of the receiving cavity is flexible, and the support ring is elastic and maintains the contour shape of the receiving cavity when the bag does not contain tumor tissue.

[0013] Furthermore, the length of the bag opening when the bag body is in the unfolded state is greater than the length of any support ring. The length of the bag opening when it is closed is less than the length of any support ring.

[0014] Furthermore, the support ring with the longest surrounding length contacts the outer edge of the bag opening, ensuring that the bag opening remains open when not subjected to external force.

[0015] The beneficial effects of this utility model are: 1. This utility model features multiple elastic support rings surrounding the outer wall of a flexible bag. These rings allow the bag to fold and pass through the wound into the abdominal cavity, restoring its original shape. The folded state of the bag prevents it from unfolding during entry, allowing it to unfold only after entering the body. The support rings, returning to a circular shape, support the bag and its connection points, causing the bag to unfold under gravity. This creates a receiving cavity within the patient's abdominal cavity, facilitating the convenient placement of the tumor tissue to be removed into the receiving bag.

[0016] 2. This utility model also includes a threading cavity and a take-up coil. Users can control the opening and closing of the bag opening by changing the length of the take-up coil inside the threading cavity. The clamping part helps users control the movement position of the bag opening inside the patient's body and also helps control the relative movement between the bag opening and the take-up coil when closing the bag opening. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is a schematic diagram of the overall structure of the present invention when the bag is in a flattened state. Figure 2 for Figure 1 A schematic diagram of a cross-sectional structure; Figure 3 for Figure 2 A partial structural diagram at point A in the middle; Figure 4 This is a schematic diagram of the overall structure of the present invention when the bag is in a folded state. Figure 5 This is a schematic diagram of the overall structure of the present invention when the bag is in the unfolded state. Figure 6 for Figure 5 A schematic diagram of a cross-sectional structure; In the diagram, 1 is the bag body; 11 is the bag opening; 12 is the support ring; 13 is the threading cavity; 14 is the threading hole; 15 is the clamping part; 16 is the storage cavity; and 2 is the coil. Detailed Implementation

[0018] The technical solutions of this utility model are clearly and completely described below through specific embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] An intra-abdominal tissue storage bag, such as Figure 1-6 As shown, the device includes: a bag body 1 with a bag opening 11; multiple support rings 12 are sleeved on the outer wall of the bag body 1; adjacent support rings 12 can move within a working stroke; when adjacent support rings 12 move to their minimum distance, each support ring 12 is on the same plane and does not contact each other; when adjacent support rings 12 move to their maximum distance, the bag body 1 is in an unfolded state; and a tightening coil 2, part of which is inserted inside the bag opening 11; when the portion of the tightening coil 2 inside the bag opening 11 moves outward from the bag opening 11, the bag opening 11 tightens. When the user tightens the bag opening 11, one hand uses the positioning clamp 15 of the device, and the other hand uses the device to pull the tightening coil 2 outward, thereby completing the tightening and closing of the bag opening 11.

[0020] In some embodiments of this application, such as Figure 1-6As shown, the inner ring of the bag opening 11 is provided with a threading cavity 13, and the outer wall of the bag opening 11 is provided with a thread-passing hole 14, which communicates with the threading cavity 13. The take-up coil 2 enters or exits the threading cavity 13 through the thread-passing hole 14. When the take-up coil 2 moves outward from the thread-passing hole 14 under the action of external force, the axial length of the threading cavity 13 is shortened accordingly, so as to reduce the circumferential length of the bag opening 11, thereby realizing the take-up of the bag opening 11; the number of thread-passing holes 14 is at least one.

[0021] In some embodiments of this application, such as Figure 1-6 As shown, a clamping part 15 is provided on the outer wall of the bag body 1. The clamping part 15 is located on the side of the bag body 1 with the thread hole 14. When the user grasps the clamping part 15, he pulls the coil 2 outward from the thread hole 14 so that the bag opening 11 is closed.

[0022] In some embodiments of this application, such as Figure 1-6 As shown, when each support ring 12 moves to the same plane, the bag body 1 is in a flattened state. At this time, the part of the bag body 1 between adjacent support rings 12 is folded and compressed, and the centers of adjacent support rings 12 coincide. Support rings 12 with different diameters can prevent them from stacking when the bag body 1 is in a flattened state, which helps to reduce the thickness of the bag body 1 in the flattened state.

[0023] In some embodiments of this application, such as Figure 1-6 As shown, when the bag 1 changes from a flattened state to an unfolded state, the bag 1 has a gradually increasing volume storage cavity 16. The storage cavity 16 is connected to the bag opening 11. When the storage bag enters the abdominal cavity, the sheet-like storage bag is aligned with the tumor tissue to be stored. When the storage bag unfolds, the tumor tissue can directly enter the storage cavity 16, and the compression of the tumor tissue on the inner wall of the bag 1 helps to accelerate the unfolding process of the bag 1.

[0024] In some embodiments of this application, such as Figure 1-6 As shown, when bag 1 is in a flattened state and its bottom end faces the ground, the bottom end of bag 1 moves away from the bag opening 11 under the influence of gravity, causing bag 1 to change from a flattened state to an unfolded state. This facilitates the rapid unfolding of the storage bag after it enters the patient's abdomen through the wound, eliminating the need for the user to use more instruments to enter the wound and manually control the unfolding of bag 1, thereby reducing the difficulty and duration of the surgery.

[0025] In some embodiments of this application, such as Figure 1-6As shown, when the two sides of the flattened bag 1 are rotated and folded towards the same side, the bag 1 is in a folded state; when the bag 1 is in a folded state and the bottom end of the bag 1 faces the ground, it can maintain the folded state. At the same time, the width of the bag 1 in the folded state is smaller, which makes it easier to carry the entire bag through the wound into the patient's abdominal cavity, and at the same time can prevent it from accidentally unfolding during the process of entering the patient's abdominal cavity.

[0026] In some embodiments of this application, such as Figure 1-6 As shown, the inner wall of the receiving cavity 16 is flexible, and the support ring 12 is elastic and maintains the contour shape of the receiving cavity 16 when the bag body 1 does not contain tumor tissue. The flexible receiving cavity 16 can better fit the tumor tissue and prevent damage to the tumor tissue during sampling.

[0027] In some embodiments of this application, such as Figure 1-6 As shown, the wrapping length of the bag opening 11 when the bag body 1 is in the unfolded state is greater than the wrapping length of any support ring 12. The wrapping length of the bag opening 11 after it is closed is less than the wrapping length of any support ring 12.

[0028] In some embodiments of this application, such as Figure 1-6 As shown, the support ring 12 with the longest surrounding length contacts the outer edge of the bag opening 11. This support ring 12 ensures that the bag opening 11 remains open when not subjected to external force. When the coil 2 and the bag body 1 are not subjected to external force, each support ring 12 connecting to the outer wall of the bag body 1 maintains the shape of the storage cavity 16. When the coil 2 is pulled out of the threading cavity 13, the volume of the storage cavity 16 decreases and some of the support rings 12 undergo elastic deformation.

Claims

1. An intraperitoneal tissue storage bag, characterized in that, include, The bag body has an opening, and the outer wall of the bag body is fitted with multiple support rings. Adjacent support rings can move within a working stroke. When the adjacent support rings move to the minimum distance, all support rings are on the same plane; when the adjacent support rings move to the maximum distance, the bag body is in an unfolded state. A coil is inserted into the bag opening. When the portion of the coil inside the bag opening moves outward, the bag opening is tightened.

2. The intraperitoneal tissue storage bag according to claim 1, characterized in that, The inner ring of the bag opening is provided with a threading cavity, and the outer wall of the bag opening is provided with a thread-passing hole, which communicates with the threading cavity.

3. The intraperitoneal tissue storage bag according to claim 2, characterized in that, The outer wall of the bag is provided with a clamping part.

4. The intraperitoneal tissue storage bag according to claim 1, characterized in that, When each of the support rings moves to the same plane, the bag body is in a flattened state. At this time, the part of the bag body between the adjacent support rings is folded and squeezed, and the centers of the adjacent support rings coincide.

5. The intraperitoneal tissue storage bag according to claim 4, characterized in that, When the bag body changes from a flattened state to an unfolded state, the bag body has a storage cavity with a gradually increasing volume.

6. The intraperitoneal tissue storage bag according to claim 4, characterized in that, When the bag is in a flattened state and the bottom of the bag is facing the ground, the bottom of the bag moves away from the bag opening under the action of gravity, and the bag changes from a flattened state to an unfolded state.

7. The intraperitoneal tissue storage bag according to claim 6, characterized in that, When the two sides of the bag body in the flat state are rotated and folded towards the same side of the bag body, the bag body is in the folded state; When the bag is in a folded state and the bottom of the bag is facing the ground, it can maintain the folded state.

8. The intraperitoneal tissue storage bag according to claim 5, characterized in that, The inner wall of the receiving cavity is flexible, and the support ring is elastic and maintains the contour shape of the receiving cavity when the bag does not contain tumor tissue.

9. The intraperitoneal tissue storage bag according to claim 1, characterized in that, The length of the bag opening when the bag body is in the unfolded state is greater than the length of any support ring.

10. The intraperitoneal tissue storage bag according to claim 1, characterized in that, The length of the bag opening after it is gathered is less than the length of any support ring.

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