Gastric tube for weight loss surgery
By designing a gastric tube for weight loss surgery with adjustment devices, the problem of high mobility but difficult to control during laparoscopic gastroscopy is solved, and the flexible control and shaping of the gastric tube is achieved, improving the convenience of the surgery and the quality of life of the patient.
Patent Information
- Application Number
- CN202411931366.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-04-01
AI Technical Summary
In laparoscopic gastroscopy, the existing gastric tube is motile but not easy to control and is not easy to shape, resulting in gastric torsion, affecting the patient's prognosis and quality of life, and inconvenient operation of the surgery, increasing the difficulty of the surgery.
A gastric tube for weight loss surgery is designed, and a first adjustment device and a second adjustment device are adopted, including a bending member and a pulling assembly. The bending and path control of the gastric tube are achieved through the cooperation of these components to ensure reliable control and shaping of the gastric tube after the operation.
Through the design of this gastric tube, flexible control and shaping of the gastric tube during surgery is achieved, the risk of gastric torsion is reduced, and the convenience of the surgery and the quality of life of the patient is improved.
Smart Images

Figure CN119732708A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical devices, and in particular to a gastric tube for weight loss surgery. Background Art
[0002] Laparoscopic sleeve gastrectomy is a surgical procedure that mainly reduces the volume of the stomach. It removes the gastric fundus and greater curvature, maintains the gastrointestinal anatomical structure, and makes the residual stomach become "sleeve-shaped" or "banana-shaped". It can change the levels of some gastrointestinal hormones and improve the sugar metabolism and other metabolic indicators of obese patients. During sleeve gastrectomy, the morphology of the free stomach and the stomach before and after will change. The current gastric tube has a large range of motion, which is difficult to control and shape. After anastomosis and suturing along the gastric tube, the entire sleeve of the stomach left behind will be elongated, which can easily cause gastric torsion, affecting the patient's prognosis and quality of life, and in severe cases, it can be life-threatening. Moreover, it is inconvenient for the surgeon to operate, which increases the difficulty of the operation. Summary of the invention
[0003] To this end, the present invention provides a gastric tube for weight loss surgery to solve the above-mentioned problems in the prior art.
[0004] In order to achieve the above object, the present invention provides the following technical solutions:
[0005] According to a first aspect of the present invention, a gastric tube for weight loss surgery includes a gastric tube body, a first adjustment device, a second adjustment device, a first catheter and a second catheter; the first adjustment device includes a first bending member and a first pulling assembly, and the second adjustment device includes a second bending member and a second pulling assembly;
[0006] The first bending member and the second bending member are both installed on the inner side wall of the gastric tube body, the first end of the first pulling component passes through the first bending member and is connected to the inner side wall of the gastric tube body, and the first end of the second pulling component passes through the second bending member and is connected to the inner side wall of the gastric tube body;
[0007] The second end of the first pulling component and the second end of the second pulling component are both connected to the top end of the gastric tube body;
[0008] The first catheter is inserted into the stomach tube body and the first bending piece is sleeved on the first catheter; the second catheter is inserted into the stomach tube body and the second bending piece is sleeved on the second catheter;
[0009] The distance between the first bending piece and the top of the gastric tube body is greater than the distance between the second bending piece and the top of the gastric tube body.
[0010] Further, the first pulling assembly includes a first pulling rope and a first rotating disk, and the second pulling assembly includes a second pulling rope and a second rotating disk;
[0011] The first rotating disk and the second rotating disk are both rotatably inserted at one end of the stomach tube body, and the first rotating disk and the second rotating disk are respectively located at two opposite sides of the stomach tube body;
[0012] One end of the first pull rope is wound around one end of the first rotating disk, and the other end of the first pull rope passes through the first bending piece and is connected to the inner wall of the stomach tube body;
[0013] One end of the second pull rope is wound around one end of the second rotating disk, and the other end of the second pull rope passes through the second bending piece and is connected to the inner wall of the gastric tube body.
[0014] Furthermore, a plurality of first bending grooves are spaced apart on the first bending member, and a plurality of second bending grooves are spaced apart on the second bending member.
[0015] Furthermore, it also includes a support ring, which is installed in the stomach tube body and is located between the first bending part and the second bending part.
[0016] Furthermore, the first rotating disk includes a first rotating handle and a first connecting rotating rod, the second rotating disk includes a second rotating handle and a second connecting rotating rod, the first connecting rotating rod and the second connecting rotating rod are both rotatably inserted on the side wall of the gastric tube body, the first connecting rotating rod is connected to the first rotating handle at one end away from the gastric tube body, the second connecting rotating rod is connected to the second rotating handle at one end away from the gastric tube body, and the first connecting rotating rod and the second connecting rotating rod are arranged opposite to each other.
[0017] Furthermore, it also includes a first scale plate and a second scale plate, one side of the gastric tube body is connected to the first scale plate, and the other side of the gastric tube body is connected to the second scale plate;
[0018] One end of the first connecting rod away from the first rotating handle passes through the first scale plate and is rotatably connected to the stomach tube body; one end of the second connecting rod away from the second rotating handle passes through the second scale plate and is rotatably connected to the stomach tube body;
[0019] The first rotating handle is provided with a first scale line, and the second rotating handle is provided with a second scale line.
[0020] Furthermore, the first bending member includes a first compression spring and a first bending block, and the second bending member includes a second compression spring and a second bending block;
[0021] The first bending block and the second bending block are both installed on the inner wall of the stomach tube body;
[0022] The first compression spring is arranged in the first bending block, and the second compression spring is arranged in the second bending block;
[0023] The first bending block and the first compression spring are both sleeved on the first pulling component, the second bending block and the second compression spring are both sleeved on the second pulling component, the first bending block and the first compression spring are both sleeved on the first guide tube, and the second bending block and the second compression spring are both sleeved on the second guide tube.
[0024] Furthermore, at least one vent hole is provided on the stomach tube body.
[0025] Furthermore, it also includes an air bag, the bottom end of the gastric tube body is connected to the air bag, the air bag and the gastric tube body are interconnected, and the first catheter and the second catheter are both extended into the air bag.
[0026] Furthermore, it also includes a plastic jacket, and the outer periphery of the gastric tube body is covered with the plastic jacket.
[0027] The present invention has the following advantages: through the arrangement of the first pulling component, the second pulling component, the first bending piece and the second bending piece, when the gastric tube body needs to be bent during surgery, the first pulling component and the second pulling component cooperate to drive the gastric tube body to bend, and the arrangement of the first bending piece and the second bending piece realizes the control of the bending path of the gastric tube body; furthermore, after the gastric tube enters the stomach from the oral cavity through the esophagus, the curvature of the gastric tube in the stomach can be adjusted through the cooperation of the first pulling component and the first bending piece, and the curvature of the gastric tube at the cardia can be adjusted through the cooperation of the second pulling component and the second bending piece, and finally the gastric tube after surgery can be reliably controlled and easily shaped, thereby increasing the convenience of surgery while ensuring the patient's quality of life and thus ensuring the patient's safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0029] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0030] Figure 1 A first view of a stereoscopic image of a gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0031] Figure 2 A second view of a stereoscopic image of a gastric tube for bariatric surgery according to some embodiments of the present invention.
[0032] Figure 3 A cross-sectional view of a gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0033] Figure 4 A gastric tube for weight loss surgery provided in some embodiments of the present invention Figure 3 One of the partial enlarged images.
[0034] Figure 5 A gastric tube for weight loss surgery provided in some embodiments of the present invention Figure 3 The second partial enlarged image.
[0035] Figure 6 A stereoscopic view of a second adjustment device of a gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0036] Figure 7 A stereoscopic view of a first adjustment device of a gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0037] Figure 8 A stereoscopic view of a second bending piece of a gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0038] Fig. 9 A stereoscopic view of a first bending piece of a gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0039] Fig.10 A stereoscopic view of a first rotating disk of a gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0040] Fig.11 A stereoscopic view of a second rotating disk of a gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0041] Fig.12 A schematic diagram of the structure of a bent gastric tube for weight loss surgery provided in some embodiments of the present invention.
[0042] In the figure: 1. stomach tube body, 101. vent hole, 102. air bag, 103. first scale plate, 1031. first scale, 104. second scale plate, 1041. second scale, 105. tube mouth, 2. first adjusting device, 21. first rotating disk, 211. first rotating handle, 212. first clamping plate, 213. first connecting rotating rod, 214. first scale line, 22. first bending member, 221. first bending block, 2211. first bending groove, 222. first compression spring, 223. first connecting block, 2231 , the first rope hole, 2232, the first tube hole, 23, the first pull rope, 3, the second adjusting device, 31, the second rotating disk, 311, the second rotating handle, 312, the second clamping plate, 313, the second connecting rod, 314, the second scale line, 32, the second bending piece, 321, the second bending block, 3211, the second bending groove, 322, the second compression spring, 323, the second connecting block, 3231, the second rope hole, 3232, the second tube hole, 33, the second pull rope, 4, the second conduit, 5, the first conduit, 6, the support ring. DETAILED DESCRIPTION
[0043] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0044] like Figures 1 to 12 As shown, a gastric tube for weight loss surgery in an embodiment of the first aspect of the present invention comprises a gastric tube body 1, a first adjusting device 2, a second adjusting device 3, a first catheter 5 and a second catheter 4; the first adjusting device 2 comprises a first bending member 22 and a first pulling assembly, and the second adjusting device 3 comprises a second bending member 32 and a second pulling assembly;
[0045] The first bending member 22 and the second bending member 32 are both installed on the inner wall of the gastric tube body 1, the first end of the first pulling component passes through the first bending member 22 and is connected to the inner wall of the gastric tube body 1, and the first end of the second pulling component passes through the second bending member 32 and is connected to the inner wall of the gastric tube body 1;
[0046] The second end of the first pulling component and the second end of the second pulling component are both connected to the top of the gastric tube body 1;
[0047] The first catheter 5 is inserted on the stomach tube body 1 and the first bending member 22 is sleeved on the first catheter 5; the second catheter 4 is inserted on the stomach tube body 1 and the second bending member 32 is sleeved on the second catheter 4;
[0048] The distance between the first bending piece 22 and the top of the gastric tube body 1 is greater than the distance between the second bending piece 32 and the top of the gastric tube body 1; the first end and the second end of the first pulling component are opposite ends; the first end and the second end of the second pulling component are opposite ends.
[0049] In the above embodiment, it should be noted that the top of the gastric tube body 1 is the end portion operated by medical staff during surgery, and the bottom of the gastric tube body 1 is the end portion penetrating into the patient's stomach during surgery; a tube opening 105 is provided at the top of the gastric tube body 1.
[0050] The technical effect achieved by the above embodiment is: through the arrangement of the first pulling component, the second pulling component, the first bending piece 22 and the second bending piece 32, when the gastric tube body 1 needs to be bent during surgery, the first pulling component and the second pulling component can cooperate to drive the gastric tube body 1 to bend, and the arrangement of the first bending piece 22 and the second bending piece 32 can realize the control of the bending path of the gastric tube body 1; furthermore, after the gastric tube enters the stomach from the oral cavity through the esophagus, the curvature of the gastric tube in the stomach can be adjusted by the first pulling component and the first bending piece 22, and the curvature of the gastric tube at the cardia can be adjusted by the second pulling component and the second bending piece 32, finally achieving reliable control and easy shaping of the gastric tube after surgery, increasing the convenience of the operation while ensuring the patient's prognosis and quality of life, thereby ensuring the patient's safety.
[0051] Optional, such as Figures 1 to 12 As shown, in some embodiments, the first pulling assembly includes a first pulling rope 23 and a first rotating disk 21, and the second pulling assembly includes a second pulling rope 33 and a second rotating disk 31;
[0052] The first rotating disk 21 and the second rotating disk 31 are both rotatably inserted at one end of the stomach tube body 1, and the first rotating disk 21 and the second rotating disk 31 are respectively located at two opposite sides of the stomach tube body 1;
[0053] One end of the first pull rope 23 is wound around one end of the first rotating disk 21, and the other end of the first pull rope 23 passes through the first bending member 22 and is connected to the inner wall of the gastric tube body 1;
[0054] One end of the second pull rope 33 is wound around one end of the second rotating disk 31 , and the other end of the second pull rope 33 passes through the second bending piece 32 and is connected to the inner wall of the gastric tube body 1 .
[0055] In the above optional embodiments, it should be noted that the first pull rope 23 and the second pull rope 33 are both steel wires.
[0056] The beneficial effect of the above optional embodiment is that the convenience of adjusting the curvature of the gastric tube body 1 is increased through the coordinated arrangement of the first rotating disk 21 and the second rotating disk 31 and the first pull rope 23 and the second pull rope 33.
[0057] Optional, such as Figures 1 to 12 As shown, in some embodiments, a plurality of first bending grooves 2211 are spaced apart on the first bending member 22 , and a plurality of second bending grooves 3211 are spaced apart on the second bending member 32 .
[0058] The first bending member 22 includes a first compression spring 222 and a first bending block 221, and the second bending member 32 also includes a second compression spring 322 and a second bending block 321;
[0059] The first bending block 221 and the second bending block 321 are both installed on the inner wall of the stomach tube body 1;
[0060] The first compression spring 222 is disposed in the first bending block 221 , and the second compression spring 322 is disposed in the second bending block 321 ;
[0061] The first bending block 221 and the first compression spring 222 are both sleeved on the first pulling component, the second bending block 321 and the second compression spring 322 are both sleeved on the second pulling component, the first bending block 221 and the first compression spring 222 are both sleeved on the first conduit 5, and the second bending block 321 and the second compression spring 322 are both sleeved on the second conduit 4.
[0062] In the above optional embodiments, it should be noted that a plurality of first bending grooves 2211 are spaced apart on the first bending block 221, and a plurality of second bending grooves 3211 are spaced apart on the second bending block 321, and the cross-sectional shapes of the plurality of first bending grooves 2211 and the plurality of second bending grooves 3211 are all triangular; the distance between each adjacent two first bending grooves 2211 is different, and the distance between each adjacent two second bending grooves 3211 is different.
[0063] The first bending block 221 and the second bending block 321 are both semi-cylindrical in shape;
[0064] The first bending member 22 further includes a first connecting block 223, and the first bending block 221 is connected to the inner wall of the gastric tube body 1 through two first connecting blocks 223;
[0065] The first connecting block 223 is provided with a first rope hole 2231 and a first tube hole 2232. The first pull rope 23 passes through the first rope hole 2231 to be connected to the inner wall of the stomach tube body 1. The first conduit 5 passes through the first tube hole 2232 and extends to the lower end of the stomach tube body 1.
[0066] The second bending member 32 further includes a second connecting block 323, and the second bending block 321 is connected to the inner wall of the gastric tube body 1 through two second connecting blocks 323;
[0067] The second connecting block 323 is provided with a second rope hole 3231 and a second tube hole 3232. The second pull rope 23 passes through the second rope hole 3231 and is connected to the inner wall of the stomach tube body 1. The second conduit 5 passes through the second tube hole 3232 and extends to the lower end of the stomach tube body 1.
[0068] The gastric tube body 1, the first catheter 5 and the second catheter 4 are all flexible tubes with a certain rigidity.
[0069] The beneficial effects of the above-mentioned optional embodiments are as follows: by setting the first bending groove 2211 and the multiple second bending grooves 3211, the bending trajectory of the gastric tube body 1 is limited, and the bending of the gastric tube body 1 can be adjusted according to actual needs; thereby increasing the convenience of operating the gastric tube; by setting the first compression spring 222 and the second compression spring 322, the first compression spring 222 and the second compression spring 322 are both in a relaxed state when the gastric tube body 1 is straightened, and when the gastric tube body 1 is bent according to demand, the support of the first compression spring 222 and the second compression spring 322 protects the gastric tube body 1; when the operation is completed, the gastric tube body 1 is driven by the joint action of the first compression spring 222 and the second compression spring 322 to restore the gastric tube body 1 to a straight state, thereby facilitating the removal of the gastric tube after surgery.
[0070] Optional, such as Figures 1 to 12 As shown, in some embodiments, a support ring 6 is further included. The support ring 6 is installed in the gastric tube body 1 and the support ring 6 is located between the first bending piece 22 and the second bending piece 32.
[0071] In the above optional embodiments, it should be noted that the support ring 6 is arranged in the gastric tube body 1 by means of clamping or bonding.
[0072] The beneficial effect of the above optional embodiment is: through the setting of the support ring 6, a support point is provided between the first bending part 22 and the second bending part 32 when the gastric tube is bent, so as to ensure that the bending path of the gastric tube body 1 works in the path required by the medical staff, thereby increasing the convenience of the medical staff in performing surgical operations.
[0073] Optional, such as Figures 1 to 12As shown, in some embodiments, the first rotating disk 21 includes a first rotating handle 211 and a first connecting rotating rod 213, and the second rotating disk 31 includes a second rotating handle 311 and a second connecting rotating rod 313. The first connecting rotating rod 213 and the second connecting rotating rod 313 are both rotatably inserted on the side wall of the gastric tube body 1. The end of the first connecting rotating rod 213 facing away from the gastric tube body 1 is connected to the first rotating handle 211, and the end of the second connecting rotating rod 313 facing away from the gastric tube body 1 is connected to the second rotating handle 311. The first connecting rotating rod 213 and the second connecting rotating rod 313 are arranged relative to each other.
[0074] In the above optional embodiments, it should be noted that the first rotating disk 21 also includes a first clamping plate 212, and the end of the first connecting rod 213 away from the first rotating handle 211 is connected to two first clamping plates 212 at intervals, and the end of the first pull rope 23 away from the first bending part 22 is wrapped around the first connecting rod 213 between the two first clamping plates 212, and the second rotating disk 31 also includes a second clamping plate 312, and the end of the second connecting rod 313 away from the second rotating handle 311 is connected to two second clamping plates 312 at intervals, and the end of the second pull rope 23 away from the second bending part 22 is wrapped around the second connecting rod 313 between the two second clamping plates 312.
[0075] The beneficial effect of the above optional embodiment is that the convenience of surgical operations by medical staff is further increased by the coordinated arrangement of the first rotating disk 21 including the first rotating handle 211 and the first connecting rotating rod 213 and the second rotating disk 31 including the second rotating handle 311 and the second connecting rotating rod 313.
[0076] Optional, such as Figures 1 to 12 As shown, in some embodiments, it further includes a first scale plate 103 and a second scale plate 104, one side of the gastric tube body 1 is connected to the first scale plate 103, and the other side of the gastric tube body 1 is connected to the second scale plate 104;
[0077] One end of the first connecting rod 213 away from the first rotating handle 211 passes through the first scale plate 103 and is rotatably connected to the stomach tube body 1; one end of the second connecting rod 313 away from the second rotating handle 311 passes through the second scale plate 104 and is rotatably connected to the stomach tube body 1;
[0078] The first rotating handle 211 is provided with a first scale line 214 , and the second rotating handle 311 is provided with a second scale line 314 .
[0079] In the above optional embodiment, it should be noted that the first scale plate 103 is provided with a first scale 1031 , and the second scale plate 104 is provided with a second scale 1041 .
[0080] The beneficial effect of the above optional embodiment is: through the coordinated setting of the first scale line 214 on the first rotating handle 211, the second scale line 314 on the second rotating handle 311, the first scale 1031 on the first dial 103, and the second scale 1041 on the second dial 104, when the stomach tube enters the stomach from the oral cavity through the esophagus, the curvature of the stomach tube can be adjusted by adjusting the first rotating handle 211, and the curvature of the stomach tube in the stomach is adjusted according to the curvature of the lesser curvature of the patient's stomach, and the degree of the first scale 1031 on the first dial 103 corresponding to the first scale line 214 is adjusted. At the same time, the curvature of the stomach tube at the cardia can also be adjusted by adjusting the second rotating handle 311 to drive the degree of the second scale 1041 on the second dial 104 corresponding to the second scale line 314. Thereby, the curvature of the stomach tube in the stomach is accurately adjusted, and the curvature of the stomach tube corresponding to the lesser curvature of the stomach can be measured.
[0081] Optional, such as Figures 1 to 12 As shown, in some embodiments, at least one ventilation hole 101 is provided on the gastric tube body 1 .
[0082] The beneficial effects of the above optional embodiment are: the provision of the vent hole 101 enables the gas and gastric juice in the stomach to be discharged from the stomach, so that the gastric tissue fits better on the gastric tube, which is beneficial for cutting and anastomosis.
[0083] Optional, such as Figures 1 to 12 As shown, in some embodiments, an air bag 102 is further included, the bottom end of the gastric tube body 1 is connected to the air bag 102 , and the air bag 102 and the gastric tube body 1 are interconnected, and the first catheter 5 and the second catheter 4 are both extended into the air bag 102 .
[0084] In the above optional embodiment, it should be noted that there are two airbags 102 , the first catheter 5 extends into one of the airbags 102 , and the second catheter 4 extends into the other airbag 102 ; the two airbags 102 are spaced apart and integrally formed with the gastric tube body 1 .
[0085] The beneficial effect of the above optional embodiment is: through the provision of the airbag, the airbag 102 is inflated after the front end of the gastric tube enters the pylorus, so that the gastric tube is more firmly fixed in the stomach.
[0086] Optional, such as Figures 1 to 12 As shown, in some embodiments, a plastic jacket is also included, and the outer periphery of the gastric tube body 1 is provided with a plastic jacket.
[0087] The beneficial effect of the above optional embodiment is that the stomach wall can be protected by the provision of the plastic outer jacket, thereby preventing the stomach tube from damaging the stomach wall.
[0088] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.
[0089] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of description and are not intended to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as within the scope of implementation of the present invention without substantially changing the technical content.
Claims
1. A gastric tube for weight loss surgery, characterized in that: The invention comprises a gastric tube body (1), a first adjusting device (2), a second adjusting device (3), a first catheter (5) and a second catheter (4); the first adjusting device (2) comprises a first bending member (22) and a first pulling component, and the second adjusting device (3) comprises a second bending member (32) and a second pulling component; The first bending member (22) and the second bending member (32) are both mounted on the inner wall of the gastric tube body (1); the first end of the first pulling component passes through the first bending member (22) and is connected to the inner wall of the gastric tube body (1); the first end of the second pulling component passes through the second bending member (32) and is connected to the inner wall of the gastric tube body (1); The second end of the first pulling component and the second end of the second pulling component are both connected to the top end of the gastric tube body (1); The first catheter (5) is inserted into the stomach tube body (1) and the first bending member (22) is sleeved on the first catheter (5); the second catheter (4) is inserted into the stomach tube body (1) and the second bending member (32) is sleeved on the second catheter (4); The distance between the first bending piece (22) and the top of the gastric tube body (1) is greater than the distance between the second bending piece (32) and the top of the gastric tube body (1).
2. A gastric tube for weight loss surgery according to claim 1, characterized in that: The first pulling assembly comprises a first pulling rope (23) and a first rotating disk (21), and the second pulling assembly comprises a second pulling rope (33) and a second rotating disk (31); The first rotating disk (21) and the second rotating disk (31) are both rotatably inserted at one end of the stomach tube body (1), and the first rotating disk (21) and the second rotating disk (31) are respectively located on two opposite sides of the stomach tube body (1); One end of the first pull rope (23) is wound around one end of the first rotating disk (21), and the other end of the first pull rope (23) passes through the first bending member (22) and is connected to the inner wall of the gastric tube body (1); One end of the second pull rope (33) is wound around one end of the second rotating disk (31), and the other end of the second pull rope (33) passes through the second bending piece (32) and is connected to the inner wall of the gastric tube body (1).
3. A gastric tube for weight loss surgery according to claim 1, characterized in that: The first bending member (22) is provided with a plurality of first bending grooves (2211) at intervals, and the second bending member (32) is provided with a plurality of second bending grooves (3211) at intervals.
4. A gastric tube for weight loss surgery according to claim 1, characterized in that: It also includes a support ring (6), which is installed in the stomach tube body (1) and is located between the first bending piece (22) and the second bending piece (32).
5. A gastric tube for weight loss surgery according to claim 2, characterized in that: The first rotating disk (21) includes a first rotating handle (211) and a first connecting rotating rod (213), and the second rotating disk (31) includes a second rotating handle (311) and a second connecting rotating rod (313). The first connecting rotating rod (213) and the second connecting rotating rod (313) are both rotatably inserted on the side wall of the gastric tube body (1). The first connecting rotating rod (213) is connected to the first rotating handle (211) at one end away from the gastric tube body (1), and the second connecting rotating rod (313) is connected to the second rotating handle (311) at one end away from the gastric tube body (1). The first connecting rotating rod (213) and the second connecting rotating rod (313) are arranged opposite to each other.
6. A gastric tube for weight loss surgery according to claim 5, characterized in that: It also comprises a first scale plate (103) and a second scale plate (104), wherein one side of the gastric tube body (1) is connected to the first scale plate (103), and the other side of the gastric tube body (1) is connected to the second scale plate (104); One end of the first connecting rotating rod (213) facing away from the first rotating handle (211) passes through the first scale plate (103) and is rotatably connected to the stomach tube body (1); one end of the second connecting rotating rod (313) facing away from the second rotating handle (311) passes through the second scale plate (104) and is rotatably connected to the stomach tube body (1); The first rotating handle (211) is provided with a first scale line (214), and the second rotating handle (311) is provided with a second scale line (314).
7. A gastric tube for weight loss surgery according to claim 1, characterized in that: The first bending member (22) comprises a first compression spring (222) and a first bending block (221), and the second bending member (32) further comprises a second compression spring (322) and a second bending block (321); The first bending block (221) and the second bending block (321) are both installed on the inner wall of the stomach tube body (1); The first compression spring (222) is arranged in the first bending block (221), and the second compression spring (322) is arranged in the second bending block (321); The first bending block (221) and the first compression spring (222) are both sleeved on the first pulling component, the second bending block (321) and the second compression spring (322) are both sleeved on the second pulling component, and the first bending block (221) and the first compression spring (222) are both sleeved on the first conduit (5), and the second bending block (321) and the second compression spring (322) are both sleeved on the second conduit (4).
8. A gastric tube for weight loss surgery according to claim 1, characterized in that: The stomach tube body (1) is provided with at least one ventilation hole (101).
9. A gastric tube for weight loss surgery according to claim 1, characterized in that: It also includes an air bag (102), the bottom end of the gastric tube body (1) is connected to the air bag (102), the air bag (102) and the gastric tube body (1) are interconnected, and the first catheter (5) and the second catheter (4) extend into the air bag (102).
10. The gastric tube for weight loss surgery according to claim 1, characterized in that: It also comprises a plastic outer jacket, and the outer periphery of the gastric tube body (1) is provided with the plastic outer jacket.