Foreign body extractor for digestive system department

Abstract

The invention relates to an extractor, in particular to a foreign matter extractor for the digestive system department. The invention aims to provide the foreign body extractor for the gastroenterology department, which can prevent foreign bodies from injuring the digestive tract. A foreign matter extractor for the digestive system department comprises a handle, a flexible shaft, a round block, clamping jaws, a first elastic piece and the like, the left end of the handle is connected with the flexible shaft, the left end of the flexible shaft is connected with the round block, the three clamping jaws used for clamping foreign matter are rotatably connected to the left side of the round block in the circumferential direction at equal intervals, and the first elastic piece is connected between the clamping jaws and the round block. An output shaft of a motor can drive a rotating block to rotate anticlockwise, clamping jaws are pulled through a pull block to be closed, and a foreign matter is clamped; a telescopic rod of an electric push rod can drive a hose to move leftwards, so that the hose wraps the foreign matter, the hose pushes a sliding block to move leftwards, and a push wheel pushes the foreign matter rightwards, so that the foreign matter is completely located in the hose; the injury of foreign matters to the digestive tract of the patient is avoided.

Description

Technical Field

[0001] This invention relates to a foreign body removal device, and more particularly to a foreign body removal device for gastroenterology. Background Technology

[0002] The Department of Gastroenterology is a department that studies and treats diseases of the digestive system and plays an important role in people's health. In daily life, people often accidentally swallow foreign objects. In order to avoid digestive tract infections, it is necessary to remove the foreign objects in time.

[0003] Patent CN111388072B discloses a foreign body forceps for gastroenterology, comprising: a receiving cavity; a movable cylinder inserted into the receiving cavity and slidably connected to the receiving cavity via a first sliding component; a clamping mechanism mounted on a mounting block that slidably engages with the inner wall of the movable cylinder via a second sliding component, for clamping foreign bodies; a driving mechanism connected to the movable cylinder and the mounting block, for driving the movable cylinder and the mounting block to move simultaneously, wherein the moving distance of the pressing block is greater than the moving distance of the movable cylinder in the same driving time; and a control device connected to the driving mechanism.

[0004] This patented technology uses a motor-driven mounting block to move, causing the grippers to close and clamp the foreign object. During the closing process, the grippers also move to the left, and the movable cylinder also moves to the left. When the foreign object is long, the grippers may not be able to completely clamp it, and the foreign object may not be able to move completely into the movable cylinder. When the movable cylinder is then removed from the patient's digestive tract, the foreign object protruding outside the movable cylinder may easily cause damage to the patient's digestive tract. Summary of the Invention

[0005] To overcome the drawback that foreign objects cannot be completely moved into the movable tube, and that foreign objects protruding outside the movable tube can easily damage the patient's digestive tract when the movable tube is removed from the patient's digestive tract, the technical problem to be solved is to provide a foreign body removal device for gastroenterology that can avoid damage to the digestive tract caused by foreign objects.

[0006] The technical implementation of the present invention is as follows: A foreign body removal device for gastroenterology includes a handle, a flexible shaft, a circular block, grippers, a first elastic element, a camera, a pulling mechanism, a wrapping mechanism, and a retracting mechanism. The left end of the handle is connected to the flexible shaft, and the left end of the flexible shaft is connected to the circular block. Three grippers for clamping foreign bodies are rotatably connected at even intervals around the left side of the circular block. The grippers and the circular block are connected to the first elastic element. The left side of the circular block is connected to the camera. The circular block is provided with a pulling mechanism for closing the grippers. The handle is provided with a wrapping mechanism for wrapping the foreign body. The grippers are provided with a retracting mechanism for pushing the foreign body.

[0007] In one embodiment, the pulling mechanism includes a motor, a rotating block, and a pulling block. The motor is connected to the middle of the left side of the circular block, and the rotating block is connected to the output shaft of the motor. Three sliding blocks for closing the grippers are evenly spaced on the outer side of the rotating block. The pulling blocks and the grippers are connected by universal joints.

[0008] In one embodiment, the wrapping mechanism includes a hose and a power assembly, with the hose for wrapping foreign objects slidably mounted on the flexible shaft and the power assembly for pushing the hose on the handle.

[0009] In one embodiment, the power assembly includes an electric actuator and a connecting block. The electric actuator is connected to the handle, and the connecting block is connected to the telescopic rod of the electric actuator. The connecting block is connected to the right end of the hose, and the connecting block slides through the handle.

[0010] In one embodiment, the retraction mechanism includes a mounting frame, a guide wheel, a sliding sleeve, a slider, a second elastic element, a pull rope, a push wheel, and a third elastic element. The grippers are connected to the mounting frame on opposite sides. The right side of each mounting frame is rotatably connected to a guide wheel. Each mounting frame has a sliding sleeve, and each sliding sleeve has a slider. A second elastic element connects the slider and the sleeve. A pull rope is connected to each sleeve, passing around the guide wheel and slidably through the left side of the mounting frame and the grippers. Each gripper has a rotatably connected push wheel for pushing foreign objects on opposite sides. The pull rope is wound around the middle of the push wheel. A third elastic element connects the push wheel and the grippers. Three grooves are evenly spaced around the circumference on the left side of the hose, and the slider is located within one of these grooves.

[0011] In one embodiment, an expansion mechanism is also included, which includes a corrugated pipe, an inflation pipe and an airbag. The corrugated pipe is connected to the left side of the connecting block, and the inflation pipe is connected to the corrugated pipe. The inflation pipe passes through the connecting block and the hose, and the airbag is connected to the left side of the hose. The airbag and the inflation pipe are connected and communicate with each other.

[0012] In one embodiment, a lubrication mechanism is also included. The lubrication mechanism includes a loading ring, a sealing plug, and a sponge ring. The loading ring is sleeved on the hose, and the sealing plug is snapped onto the loading ring. A liquid outlet hole is opened on the inner side of the loading ring, and a sponge ring is connected to the inner side of the loading ring. The inner side of the sponge ring is in contact with the outer side of the hose.

[0013] In one embodiment, the grippers also include magnets, with magnets for attracting foreign objects connected to the adjacent sides of the grippers.

[0014] The present invention has the following advantages: 1. The output shaft of the motor of the present invention can drive the rotating block to rotate counterclockwise. The pull block pulls the clamping jaws to close the jaws and clamp the foreign object. The telescopic rod of the electric push rod can drive the hose to move to the left so that the hose wraps the foreign object. The hose pushes the slider to move to the left so that the push wheel pushes the foreign object to the right, so that the foreign object is completely inside the hose, avoiding damage to the patient's digestive tract.

[0015] 2. After the flexible shaft is inserted into the patient's digestive tract, the camera can capture images of the inside of the digestive tract and display the images on a display device, making it easier for doctors to locate foreign objects.

[0016] 3. The bellows can inject air into the airbag, causing it to inflate and expand the patient's digestive tract, keeping it away from the foreign object. When the push wheel pushes the foreign object to the right, it can prevent the foreign object from damaging the patient's digestive tract.

[0017] 4. The lubricant flows through the outlet hole onto the sponge ring and penetrates into the sponge ring. The lubricant on the sponge ring flows onto the tubing. The lubricant can reduce friction, allowing the tubing to enter the patient's digestive tract more easily. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 2 This is a three-dimensional structural diagram of the flexible shaft and gripper of the present invention.

[0020] Figure 3 This is a three-dimensional structural diagram of the flexible shaft, circular block, and camera of the present invention.

[0021] Figure 4 This is a schematic diagram of the first three-dimensional structure of the pulling mechanism of the present invention.

[0022] Figure 5 This is a schematic diagram of a second three-dimensional structure of the pulling mechanism of the present invention.

[0023] Figure 6 This is a three-dimensional structural diagram of the packaging mechanism of the present invention.

[0024] Figure 7 This is a schematic diagram of the first three-dimensional structure of the indentation mechanism of the present invention.

[0025] Figure 8 This is a schematic diagram of a second three-dimensional structure of the indentation mechanism of the present invention.

[0026] Figure 9 This is a schematic diagram of the third three-dimensional structure of the indentation mechanism of the present invention.

[0027] Figure 10This is a schematic diagram of the first three-dimensional structure of the expansion mechanism of the present invention.

[0028] Figure 11 This is a schematic diagram of a second three-dimensional structure of the expansion mechanism of the present invention.

[0029] Figure 12 This is a schematic diagram of the first three-dimensional structure of the lubrication mechanism of the present invention.

[0030] Figure 13 This is a schematic diagram of a second three-dimensional structure of the lubrication mechanism of the present invention.

[0031] Figure 14 This is a three-dimensional structural diagram of the magnet of the present invention.

[0032] Component names and numbers in the diagram: 1. Handle, 2. Flexible shaft, 3. Circular block, 4. Gripper, 5. First elastic element, 51. Camera, 6. Pulling mechanism, 61. Motor, 62. Rotating block, 63. Pulling block, 7. Wrapping mechanism, 71. Hose, 72. Electric push rod, 73. Connecting block, 8. Retraction mechanism, 81. Mounting bracket, 82. Guide wheel, 83. Sliding sleeve, 84. Slider, 85. Second elastic element, 86. Pull rope, 87. Push wheel, 88. Third elastic element, 89. Slide groove, 9. Expansion mechanism, 91. Bellows, 92. Inflation tube, 93. Airbag, 10. Lubrication mechanism, 101. Loading ring, 102. Sealing plug, 103. Liquid outlet, 104. Sponge ring, 11. Magnet. Detailed Implementation

[0033] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0034] Example 1

[0035] A foreign body removal device for gastroenterology, such as Figures 1-9 As shown, it includes a handle 1, a flexible shaft 2, a circular block 3, grippers 4, a first elastic element 5, a camera 51, a pulling mechanism 6, a wrapping mechanism 7, and a retracting mechanism 8. The left end of the handle 1 is connected to the flexible shaft 2, and the left end of the flexible shaft 2 is connected to the circular block 3. Three grippers 4 are evenly spaced around the left side of the circular block 3. The grippers 4 are used to clamp foreign objects. Two first elastic elements 5, which are torsion springs, are connected between the grippers 4 and the circular block 3. The camera 51 is connected to the upper left side of the circular block 3. The circular block 3 is equipped with a pulling mechanism 6, which is used to close the grippers 4. The handle 1 is equipped with a wrapping mechanism 7, which is used to wrap foreign objects. The grippers 4 are equipped with a retracting mechanism 8, which is used to push the foreign objects to the right.

[0036] like Figure 4 and Figure 5As shown, the pulling mechanism 6 includes a motor 61, a rotating block 62, and a pulling block 63. The motor 61 is connected to the middle of the left side of the circular block 3. The rotating block 62 is connected to the output shaft of the motor 61. Three pulling blocks 63 are evenly spaced and slidably provided on the outer side of the rotating block 62. The three pulling blocks 63 are respectively connected to three grippers 4 through universal joints. The pulling blocks 63 are used to close the grippers 4.

[0037] like Figure 1 and Figure 6 As shown, the wrapping mechanism 7 includes a hose 71 and a power assembly. The hose 71 is slidably mounted on the flexible shaft 2. The hose 71 is used to wrap foreign objects. The handle 1 is equipped with a power assembly, which is used to push the hose 71.

[0038] like Figure 6 As shown, the power assembly includes an electric push rod 72 and a connecting block 73. The bottom of the handle 1 is connected to the electric push rod 72. The left end of the telescopic rod of the electric push rod 72 is connected to the connecting block 73. The connecting block 73 is connected to the right end of the hose 71. There are two guide grooves on the left side of the handle 1, and the connecting block 73 can slide left and right in the two guide grooves.

[0039] like Figure 7 , Figure 8 and Figure 9 As shown, the retraction mechanism 8 includes a mounting frame 81, a guide wheel 82, a sliding sleeve 83, a slider 84, a second elastic element 85, a pull rope 86, a push wheel 87, and a third elastic element 88. The grippers 4 are each connected to a mounting frame 81 on opposite sides. The mounting frame 81 is n-shaped. A guide wheel 82 is rotatably connected to the right side of each mounting frame 81. Each mounting frame 81 has a guide opening, and a sliding sleeve 83 is slidably installed within each guide opening. A slider 84 is slidably installed within each sliding sleeve 83. A second elastic element 85 connects the slider 84 and the sliding sleeve 83. The second elastic element 85 is located within the sliding sleeve 83 and is elastic. A pull rope 86 is connected to the right side of the spring and the sliding sleeve 83. The pull rope 86 passes around the guide wheel 82. A rectangular opening is opened on the left side of the mounting bracket 81. The pull rope 86 passes through the rectangular opening. A wire opening is opened on the gripper 4. The pull rope 86 passes through the wire opening. A push wheel 87 is rotatably connected to the side of the gripper 4 that is close to each other. The push wheel 87 is used to push the foreign object to the right. The pull rope 86 is wrapped around the middle of the push wheel 87. Two third elastic elements 88 are connected between the push wheel 87 and the gripper 4. The third elastic elements 88 are torsion springs. Three grooves 89 are evenly spaced around the circumference on the left side of the hose 71. The slider 84 is located in the groove 89.

[0040] like Figure 14 As shown, it also includes a magnet 11. Magnets 11 are connected to the sides of the grippers 4 that are close to each other. The magnets 11 are used to attract foreign objects.

[0041] Initially, the second elastic element 85 is in a compressed state. The doctor connects the camera 51 to an external display device, then holds the handle 1 and inserts the flexible shaft 2 into the patient's digestive tract. The camera 51 can capture images of the inside of the patient's digestive tract and display the captured images on the display device, making it easier for the doctor to locate foreign objects. The doctor moves the gripper 4 to the periphery of the foreign object. If the foreign object is magnetic, it can be attracted by the magnet 11, making it easier for the gripper 4 to hold the foreign object. Then, the output shaft of the motor 61 is controlled to rotate counterclockwise, driving the rotating block 62 to rotate counterclockwise. Pull block 63 pulls the gripper 4, causing it to close and clamp the foreign object. The first elastic element 5 deforms, and the second elastic element 85 is compressed, keeping the slider 84 in constant contact with the inner wall of the groove 89. Then, motor 61 is turned off, and the telescopic rod of electric push rod 72 is extended, causing connecting block 73 to move to the left. Connecting block 73 causes hose 71 to move to the left, so that hose 71 wraps around the foreign object. When slider 84 is at the right end of the groove 89, hose 71 pushes slider 84 to the left, and slider 84 causes sliding sleeve 83 to move to the left. Pulling the pull rope 86 with the sleeve 83 causes the pull rope 86 to extend from the push wheel 87, making the push wheel 87 rotate. This causes the third elastic element 88 to deform, pushing the push wheel 87 to the right and ensuring the foreign object is completely inside the flexible tube 71. Then, the doctor closes the electric push rod 72 and removes the flexible shaft 2 from the patient's digestive tract. With the foreign object completely inside the flexible tube 71, damage to the patient's digestive tract is avoided. After the flexible shaft 2 is removed, the doctor controls the output shaft of the motor 61 to rotate clockwise, causing the rotating block 62 to rotate clockwise, which in turn pushes the pull block 63. The moving gripper 4 opens under the action of the first elastic element 5, releasing the foreign object. Then, the motor 61 is turned off, and the telescopic rod of the electric push rod 72 is shortened, causing the connecting block 73 to move to the right. The connecting block 73 causes the hose 71 to move to the right. The hose 71 no longer pushes the slider 84, and the pull rope 86 is released. The push wheel 87 rotates in the opposite direction under the action of the third elastic element 88. The push wheel 87 winds up the pull rope 86, and the pull rope 86 pulls the sliding sleeve 83 and the slider 84 to move to the right. After the hose 71 moves to the right and resets, the electric push rod 72 is turned off.

[0042] Example 2

[0043] Based on Example 1, such as Figure 1 , Figure 10 and Figure 11 As shown, it also includes an expansion mechanism 9, which includes a corrugated pipe 91, an inflation pipe 92, and an airbag 93. The corrugated pipe 91 is connected to the upper left side of the connecting block 73, and the inflation pipe 92 is connected to the right end of the corrugated pipe 91. The inflation pipe 92 passes through the connecting block 73 and the hose 71. The airbag 93 is connected to the left side of the hose 71. The airbag 93 and the inflation pipe 92 are connected and communicate with each other.

[0044] After the flexible shaft 2 is inserted into the patient's digestive tract, the doctor pushes the bellows 91 to the right. The air in the bellows 91 enters the air bladder 93 through the inflation tube 92, causing the air bladder 93 to inflate and expand the patient's digestive tract, keeping it away from the foreign object. When the push wheel 87 pushes the foreign object to the right, it can prevent the foreign object from damaging the patient's digestive tract. When the foreign object is completely inside the flexible tube 71, the bellows 91 is released, the air bladder 93 contracts and returns to its original position, and the air in the air bladder 93 flows back into the bellows 91 through the inflation tube 92, causing the bellows 91 to expand and return to its original position.

[0045] like Figure 1 , Figure 12 and Figure 13 As shown, it also includes a lubrication mechanism 10, which includes a loading ring 101, a sealing plug 102, and a sponge ring 104. The loading ring 101 is fitted onto the hose 71, and the sealing plug 102 is snapped onto the top of the loading ring 101. Liquid outlet holes 103 are evenly spaced on the inner side of the loading ring 101, and the sponge ring 104 is connected to the inner side of the loading ring 101. The inner side of the sponge ring 104 is in contact with the outer side of the hose 71.

[0046] The doctor can open the sealing plug 102, pour the lubricant into the filling ring 101, and then close the sealing plug 102. The lubricant flows through the outlet hole 103 onto the sponge ring 104 and permeates into the sponge ring 104. The lubricant on the sponge ring 104 flows onto the tubing 71. Then the doctor moves the filling ring 101 to the left, causing the sponge ring 104 to move to the left, applying the lubricant to the tubing 71. The lubricant reduces friction, allowing the tubing 71 to better enter the patient's digestive tract. When the entire tubing 71 is covered with lubricant, the doctor moves the filling ring 101 to the right, returning the filling ring 101 to its original position.

[0047] It should be understood that the above description is for illustrative purposes only and is not intended to limit the invention. Those skilled in the art will understand that variations of the invention are included within the scope of the claims herein.

Claims

1. A digestive foreign body extractor comprising a handle (1) and a flexible shaft (2), the left end of the handle (1) being connected with the flexible shaft (2), characterized in that: It also includes a circular block (3), grippers (4), a first elastic element (5), a camera (51), a pulling mechanism (6), a wrapping mechanism (7), and a retraction mechanism (8). The left end of the flexible shaft (2) is connected to the circular block (3). The left side of the circular block (3) is evenly spaced around the circumference and connected to three grippers (4) for clamping foreign objects. The grippers (4) and the circular block (3) are connected to the first elastic element (5). The left side of the circular block (3) is connected to the camera (51). The circular block (3) is provided with a pulling mechanism (6) for closing the grippers (4). The handle (1) is provided with a wrapping mechanism (7) for wrapping foreign objects. The grippers (4) are provided with a retraction mechanism (8) for pushing foreign objects.

2. The gastrointestinal foreign body retriever according to claim 1, wherein: The pulling mechanism (6) includes a motor (61), a rotating block (62) and a pulling block (63). The motor (61) is connected to the middle of the left side of the circular block (3). The rotating block (62) is connected to the output shaft of the motor (61). Three sliding blocks (63) for closing the gripper (4) are evenly spaced on the outside of the rotating block (62). The pulling blocks (63) and the gripper (4) are connected by a universal joint.

3. A foreign body removal device for gastroenterology according to claim 2, characterized in that: The wrapping mechanism (7) includes a hose (71) and a power unit. The hose (71) for wrapping foreign objects is slidably provided on the flexible shaft (2), and the power unit for pushing the hose (71) is provided on the handle (1).

4. A foreign body removal device for gastroenterology according to claim 3, characterized in that: The power assembly includes an electric push rod (72) and a connecting block (73). The electric push rod (72) is connected to the handle (1). The connecting block (73) is connected to the telescopic rod of the electric push rod (72). The connecting block (73) is connected to the right end of the hose (71). The connecting block (73) slides through the handle (1).

5. A foreign body removal device for gastroenterology according to claim 4, characterized in that: The retraction mechanism (8) includes a mounting bracket (81), a guide wheel (82), a sliding sleeve (83), a slider (84), a second elastic element (85), a pull rope (86), a push wheel (87), and a third elastic element (88). The grippers (4) are each connected to a mounting bracket (81) on opposite sides. A guide wheel (82) is rotatably connected to the right side of each mounting bracket (81). A sliding sleeve (83) is slidably mounted on each mounting bracket (81). A slider (84) is slidably mounted inside each sliding sleeve (83). A second elastic element (88) connects the slider (84) and the sliding sleeve (83). 5) Each of the sliding sleeves (83) is connected to a pull rope (86). The pull rope (86) passes around the guide wheel (82). The pull rope (86) slides through the left side of the mounting bracket (81) and the gripper (4). Each side of the gripper (4) is rotatably connected to a push wheel (87) for pushing foreign objects. The pull rope (86) is wrapped around the middle of the push wheel (87). A third elastic element (88) is connected between the push wheel (87) and the gripper (4). Three grooves (89) are evenly spaced around the left side of the hose (71) in the circumferential direction. The slider (84) is located in the groove (89).

6. A foreign body removal device for gastroenterology according to claim 5, characterized in that: It also includes an expansion mechanism (9), which includes a corrugated pipe (91), an inflation pipe (92) and an airbag (93). The corrugated pipe (91) is connected to the left side of the connecting block (73), and the inflation pipe (92) is connected to the corrugated pipe (91). The inflation pipe (92) passes through the connecting block (73) and the hose (71). The airbag (93) is connected to the left side of the hose (71). The airbag (93) and the inflation pipe (92) are connected, and the airbag (93) and the inflation pipe (92) are connected.

7. A foreign body removal device for gastroenterology according to claim 6, characterized in that: It also includes a lubrication mechanism (10), which includes a loading ring (101), a sealing plug (102) and a sponge ring (104). The loading ring (101) is fitted onto the hose (71), and the sealing plug (102) is snapped onto the loading ring (101). A liquid outlet hole (103) is opened on the inner side of the loading ring (101), and the sponge ring (104) is connected to the inner side of the loading ring (101). The inner side of the sponge ring (104) is in contact with the outer side of the hose (71).

8. A foreign body removal device for gastroenterology according to claim 7, characterized in that: It also includes a magnet (11), and magnets (11) for attracting foreign objects are connected to each other on the sides of the grippers (4).

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