Instrument for measuring range and diameter of multi-dimensional gastric signet ring cell carcinoma under endoscope

Abstract

The invention discloses a multi-dimensional stomach signet ring cell carcinoma range and diameter measuring instrument under an endoscope, which is formed by sequentially connecting an operating handle part, an imbedding hose, a follow-up turning tube and a measuring probe, and is matched with an existing endoscope system channel for use. The operating handle part comprises a handle main body and an electric control micropump and can realize input and output of liquid; the imbedding hose adopts a flexible main tube body and can penetrate into an endoscope channel, and the delivery catheter is arranged in the imbedding hose; the follow-up turning tube is an easy-to-bend tube body capable of being bent in multiple directions, and the outer wall of the easy-to-bend tube body is attached to the inner wall of a channel of the turning bending part at the end part of the endoscope insertion tube in a matched manner; the measuring probe comprises an end shell and a retractable measuring sheet; the tail end of the end shell is fixedly connected with the easy-to-bend pipe body and is provided with an inner cavity; the retractable measuring sheet comprises a flexible hollow vein tube with a cavity and a flexible transparent measuring film, measuring scales are printed on the retractable measuring sheet, and the measuring sheet is folded in the inner cavity when the measuring sheet is not filled with water; when water is filled, liquid enters the venation pipe through the conveying catheter and the end shell, so that the venation pipe is unfolded and tightened for measurement operation.

Description

Technical Field

[0001] This invention relates to the field of gastric cancer examination and treatment instruments, specifically an endoscopic instrument for measuring the extent and diameter of multidimensional gastric signet ring cell carcinoma. Background Technology

[0002] Gastric cancer is one of the most common malignant tumors worldwide. Signet ring cell carcinoma of the stomach, as a special pathological type of gastric cancer, is characterized by its high invasiveness and poor prognosis. Accurate assessment of the extent and progression of the lesion is crucial for clinical treatment and prognosis. Currently, the diagnosis and assessment of gastric signet ring cell carcinoma in clinical practice mainly rely on gastroscopy. By capturing images of the lesion area through the endoscope, doctors can directly observe the morphology, color, and surface structure of the lesion and make a preliminary judgment on its coverage and severity. However, existing endoscopic assessment methods have significant limitations. Gastric endoscopic images are often affected by lens optical distortion, especially in the peripheral areas, where the image may be stretched or distorted, leading to misjudgments of the actual size and shape of the lesion. Currently, the assessment of the lesion's extent largely relies on the doctor's experience and visual estimation, lacking objective and precise measurement methods, making it difficult to accurately obtain quantitative indicators such as lesion diameter and area.

[0003] With increasingly sophisticated medical technology and stricter diagnostic and treatment standards, the aforementioned imprecise detection and assessment methods are gradually failing to meet the clinical needs for early diagnosis, staging, and monitoring of treatment efficacy in gastric cancer. Especially when developing surgical plans, targeted therapy, or immunotherapy strategies, accurate assessment of the lesion's extent and area becomes crucial. Therefore, developing a method capable of precisely measuring the extent and diameter of gastric signet ring cell carcinoma lesions endoscopically has become a critical issue urgently needing to be addressed in the current field of gastric cancer diagnosis and treatment. Summary of the Invention

[0004] The purpose of this invention is to address the problems existing in the background art by proposing an endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement device. This device can be inserted into the gastric cavity through the biopsy channel or working channel of an existing endoscopy system to perform multidimensional measurement of the range and diameter of gastric signet ring cell carcinoma, thereby achieving a more accurate assessment of the degree of lesion.

[0005] To achieve the above-mentioned objectives, the present invention adopts the following technical solution: An endoscopic multidimensional measuring instrument for the extent and diameter of gastric signet ring cell carcinoma includes, in sequence, an operating handle, an insertion tubing, a follower-type directional tube, and a measuring probe. The operating handle includes a handle body and an electrically controlled micropump disposed in the handle body. The handle body is provided with an input channel and an output channel. The input channel is connected to an inlet pipe, and an insert hose is connected to the output channel. The insertion tubing includes a flexible main body with a diameter that can be adapted to fit into the biopsy channel of an existing endoscope system. A delivery catheter is built into the main body, which is connected to the handle body and the delivery catheter is connected to the output channel. The following direction-changing tube includes a flexible tube body that can be bent in multiple directions. One end of the flexible tube body is seamlessly fixed to the main tube body, and the delivery tube passes through the flexible tube body. The design diameter of the flexible tube body is such that the outer wall of the flexible tube body is adapted to fit the inner wall of the channel at the direction-adjusting bend at the end of the existing endoscope insertion tube. The measuring probe includes an end housing and a retractable measuring piece. The tail end of the end housing is seamlessly fixed to a flexible tube, and the end housing has an inner cavity extending to the head end. The retractable measuring piece includes a hollow vascular bundle and a measuring membrane. The hollow vascular bundle is a flexible tube, and the measuring membrane is a flexible transparent film. Measurement scales are printed on the hollow vascular bundle and / or the measuring membrane. The measuring membrane is attached to the hollow vascular bundle, which has a cavity inside for filling with water. The liquid transported by the delivery conduit enters the hollow vascular bundle through the end housing. After the hollow vascular bundle is filled with water, it unfolds and tightens to form a supportive structure. The hollow vascular tube is in a retracted state when it is not filled with water and in a measuring state when it is filled with water. In the retracted state, the measuring piece can be retracted and stacked inside the inner cavity; in the measuring state, the measuring piece can be retracted and extended out of the inner cavity.

[0006] Preferably, the hollow vascular bundle includes an edge tube, an internal branch tube, and a connecting tube. The edge tube is connected to the internal branch tube, and the edge tube is circular after being filled with water and stretched. The measuring membrane is attached to the inside of the edge tube and simultaneously attached to the internal branch tube. The connecting tube passes through the inner cavity and connects the edge tube and / or the internal branch tube.

[0007] Preferably, the end housing has a piston block in the inner cavity, and a first water bladder is provided between the inner end of the piston block and the rear end of the inner cavity. The two ends of the first water bladder are respectively sealed to the inner end face of the piston block and the rear end face of the inner cavity. The rear end of the first water bladder is connected to a delivery conduit, and the connecting pipe passes through the piston block and connects to the first water bladder. After the first water bladder is filled with water and expands, it pushes the piston block outward and then pushes the retractable measuring piece out of the inner cavity. At the same time as the first water bladder is filled with water, water is also filled into the hollow vascular tube.

[0008] Preferably, the retractable measuring plate further includes a retractable base structure, which includes two elastic plates symmetrically arranged about the central plane of the inner cavity. Each elastic plate includes an integrally connected inner plate and an arc-shaped liner. The connection between the inner plate and the arc-shaped liner has a bend angle greater than 90°. The inner plate is fixedly connected to the outer end of the piston block, and the two arc-shaped liners are arranged to expand outward relative to each other. The edge tube is attached to the concave side of the two arc-shaped liners.

[0009] Preferably, the measurement scale includes radial and latitudinal scales. The radial scale includes multiple scale lines a radiating outwards from the center of the retractable measuring piece, with the scale lines a set at equal angles. The latitudinal scale includes multiple scale lines b concentrically distributed around the center of the retractable measuring piece, with the scale lines b set at equal intervals.

[0010] Preferably, the two internal branches are arranged perpendicularly to each other and pass through the center of the edge tube. The extension direction of one of the two internal branches is consistent with the central axis of the inner cavity, and the two internal branches are both provided with overlapping scale lines a.

[0011] Preferably, the end housing is further provided with a second water bladder, which is arranged around the outer periphery of the end housing and is made of a flexible material; the delivery conduit is configured as a double-lumen tube, which includes a first lumen and a second lumen, which are independently connected to the first water bladder and the second water bladder respectively; two electrically controlled micropumps are provided in the handle body, and the first lumen and the second lumen are respectively connected to the two electrically controlled micropumps; the handle body is provided with a first control button and a second control button that control the two electrically controlled micropumps respectively.

[0012] Preferably, the bendable tube body includes multiple tube sections connected in sequence, with adjacent tube sections sealed together by a flexible diaphragm. The flexible diaphragm has an annular structure, and the edge of the flexible diaphragm is connected to the edge of the tube section. The tube section connected to the measuring probe is also sealed to the end housing by the flexible diaphragm.

[0013] Preferably, the main body is provided with a fixed docking cap for aligning with the interface of the biopsy channel of an existing endoscopy system.

[0014] Compared with existing technologies, the endoscopic multidimensional gastric signet ring cell carcinoma measurement instrument using the above-mentioned technical solution has the following beneficial effects: This solution's insertion tube, follow-up directional tube, and measuring probe can utilize the existing endoscopy system's biopsy channel or working channel to enter the patient's stomach cavity through the endoscope, while simultaneously delivering a retractable measuring strip capable of directly calibrating and measuring cancerous lesions into the target area within the stomach. Because the follow-up directional tube fits snugly against the inner wall of the channel at the directional bend of the existing endoscope insertion tube, controlling the rotation of the endoscope insertion tube simultaneously controls the rotation of this measuring probe, enabling easier and more accurate attainment of the target area.

[0015] The retractable measuring film features radial and latitudinal graduations. The density of these graduations can be adjusted to meet specific accuracy requirements. The unfolded film covers the cancerous lesion, allowing observation of the lesion's edges or key points via an endoscope. Multiple coordinates are acquired and recorded using the latitude and longitude scales, quantifying the location, extent, and diameter of the gastric signet ring cell carcinoma lesion. The precisely graduated measuring film directly contacts and covers the lesion area, enabling direct physical measurement. This reading method avoids misjudgments caused by lens optical distortion and viewing angle differences, and eliminates the subjectivity and instability of reliance on subjective visual estimation by physicians.

[0016] The retractable measuring sheet in this design employs a biomimetic technique similar to the unfolding of insect wings after being filled with liquid. Using a rationally distributed hollow vascular bundle as its support structure, it can be folded and placed within the inner cavity of the measuring probe in its unfilled state, facilitating insertion into the stomach cavity through the endoscopic channel and allowing for easy control to reach the target site. During liquid filling, the hollow vascular bundle expands and tightens, providing support and allowing the measuring membrane to fully unfold for measurement. In a preferred embodiment, a piston block is located within the inner cavity. The retractable measuring sheet is fixed to the piston block via the retractable base structure, ensuring more stable fixation during insertion. When controlling the unfolding of the retractable measuring sheet, the first water sac is first inflated, then the piston block is pushed outwards, while liquid continues to be filled into the hollow vascular bundle. This simultaneous and coordinated control of the expansion and contraction of the retractable measuring sheet makes the process more efficient and avoids obstructing insertion and contraction.

[0017] The second water bladder, located on the outside of the end-end housing, can be inflated to fix the end-end housing within the channel at the end of the endoscope, which helps maintain the synchronization between the measuring probe and the endoscope insertion tube, ensuring accurate directional adjustment. The inflation of the first and second water bladders can be independently controlled via the two relatively separate lumens of the dual-lumen tube and their corresponding micro-pumps, avoiding interference between different operational steps. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument of the present invention.

[0019] Figure 2 This is a schematic diagram of the measuring probe and delivery conduit in an embodiment of the present invention.

[0020] Figure 3 This is a schematic diagram of the structure of the retractable measuring plate when it is fully unfolded in an embodiment of the present invention.

[0021] Figure 4 This is a schematic diagram of the internal structure of the end housing in an embodiment of the present invention.

[0022] Figure 5 This is a schematic diagram of the retractable measuring sheet in a stacked state in an embodiment of the present invention.

[0023] Figure 6 This is a schematic diagram of the measurement method of the retractable measuring plate in an embodiment of the present invention.

[0024] Reference numerals: 1. Operating handle; 10. Handle body; 11. First control button; 12. Second control button; 13. Inlet tube; 2. Insertion hose; 20. Main tube body; 21. Delivery tube; 211. First cavity; 212. Second cavity; 22. Fixed docking cap; 3. Follow-up reversing tube; 30. Tube section; 31. Flexible diaphragm; 4. Measuring probe; 40. End housing; 401. Inner cavity; 41. Retractable measuring plate; 410. Hollow vascular tube; 4101. Edge tube; 4102. Internal branch tube; 411. Measuring membrane; 412. Elastic sheet; 4120. Internal connecting piece; 4121. Arc-shaped liner; 413. Scale line a; 414. Scale line b; 42. Piston block; 43. First water bladder; 44. Second water bladder. Detailed Implementation

[0025] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0026] like Figures 1 to 6 The endoscopic multidimensional gastric signet ring cell carcinoma measurement instrument shown includes an operating handle 1, an insertion tubing 2, a follow-up directional tube 3, and a measuring probe 4 connected in sequence.

[0027] The operating handle 1 includes a handle body 10 and two electrically controlled micropumps disposed within the handle body 10. The handle body 10 has an input channel and an output channel, with the input channel connected to an inlet tube 13. The insertion tubing 2 includes a flexible main body 20. The main body 20 is designed to fit into the biopsy channel of an existing endoscope system. The main body 20 has a fixing cap 22 for aligning with the interface of the biopsy channel of the existing endoscope system. A delivery conduit 21 is built into the main body 20 and is connected to the handle body 10. The delivery conduit 21 is a dual-lumen tube, including a first lumen 211 and a second lumen 212. The first lumen 211 and the second lumen 212 are respectively connected to the output ends of the two electrically controlled micropumps through the output channels. The inlet tube 13 is simultaneously connected to the input ends of the two electrically controlled micropumps through the input channels. The handle body 10 is provided with a first control button 11 and a second control button 12 that control two electronically controlled micropumps respectively. Operating the first control button 11 causes the electronically controlled micropump connected to the first tube 211 to work and input the set liquid volume; operating the second control button 12 causes the electronically controlled micropump connected to the second tube 212 to work and input the set liquid volume.

[0028] The follower-type directional tube 3 includes a bendable tube body capable of multi-directional bending. The bendable tube body comprises multiple sequentially connected tube sections 30, which are sealed together by a flexible diaphragm 31. The flexible diaphragm 31 has an annular structure, and its edge connects to the edge of the tube section 30. The tail end of the bendable tube body is seamlessly fixed to the main tube body 20, and the delivery conduit 21 passes through the bendable tube body. The design diameter of the bendable tube body is such that its outer wall conforms to the inner wall of the channel at the directional bending section of the existing endoscope insertion tube. Because the bendable tube body conforms to the inner wall of the channel at the directional bending section of the existing endoscope insertion tube, controlling the direction of the endoscope insertion tube simultaneously controls the direction of the follower-type directional tube 3.

[0029] The measuring probe 4 includes an end housing 40 and a retractable measuring plate 41. The end housing 40 is designed as a cylindrical structure with a diameter smaller than that of the biopsy channel. The tube section 30 connecting the measuring probe 4 is sealed to the end housing 40 via a flexible diaphragm 31. The end housing 40 has an inner cavity 401 extending to the tip, and a piston block 42 is provided in the inner cavity 401. The piston block 42 can slide axially within the end housing 40. A first water bladder 43 is provided between the inner end of the piston block 42 and the rear end of the inner cavity 401. The two ends of the first water bladder 43 are sealed to the inner end face of the piston block 42 and the rear end face of the inner cavity 401, respectively. The rear end of the first water bladder 43 is connected to the first lumen 211 of the delivery conduit 21.

[0030] The retractable measuring plate 41 includes a hollow vascular bundle 410, a measuring membrane 411, and a retractable base structure. The hollow vascular bundle 410 is a flexible tube made of transparent material, and the measuring membrane 411 is a flexible transparent film with measuring graduations printed on it. The hollow vascular bundle 410 has an internal cavity for filling with water. The hollow vascular bundle 410 includes an edge tube 4101, an internal branch tube 4102, and a connecting tube. The edge tube 4101 is connected to the internal branch tube 4102. After being filled with water and stretched, the edge tube 4101 becomes circular. The measuring membrane 411 is attached to the inside of the edge tube 4101 and simultaneously attached to the internal branch tube 4102. The connecting tube extends into the inner cavity 401, and its inner end passes through the piston block 42 and connects to the first water bladder 43. The outer end of the connecting tube passes through the inner cavity 401 and connects to the edge tube 4101 and the internal branch tube 4102. The retractable base structure includes two elastic plates 412 symmetrically arranged about the central plane of the inner cavity 401. The elastic plates 412 are rigid metal plates with support. The elastic plates 412 include an inner connecting plate 4120 and an arc-shaped liner 4121 integrally connected. The connection between the inner connecting plate 4120 and the arc-shaped liner 4121 has a bend angle greater than 90°. The inner connecting plate 4120 is fixedly connected to the outer end of the piston block 42. The two arc-shaped liners 4121 are arranged to expand outward relative to each other. The edge tube 4101 is attached to the concave side of the two arc-shaped liners 4121.

[0031] The measuring scale includes radial and latitudinal scales. The radial scale includes multiple scale lines a413 radiating outwards from the center of the retractable measuring piece 41, with the scale lines a413 arranged at equal angles. The latitudinal scale includes multiple scale lines b414 arranged in concentric circles with the center of the retractable measuring piece 41 as the center, with the scale lines b414 arranged at equal intervals. In the hollow vascular tube 410, there are two internal branch tubes 4102 that are perpendicularly intersecting each other and simultaneously pass through the center of the edge tube 4101. The extension direction of one of the two internal branch tubes 4102 is consistent with the central axis of the inner cavity 401, and the scale lines a413 are coincidentally arranged on both of the two internal branch tubes 4102.

[0032] The liquid delivered by the first lumen 211 of the delivery conduit 21 first enters the first water bladder 43, causing the first water bladder 43 to gradually fill. The filled first water bladder 43 pushes the piston block 42 outward, and then pushes the retractable measuring piece 41 out of the inner cavity 401. At the same time as the first water bladder 43 fills, the liquid also gradually fills the hollow vascular tube 410. After the hollow vascular tube 410 is filled with water, it unfolds and tightens to form a supportive structure, causing the measuring membrane 411 to unfold and tighten. At this point, the entire retractable measuring piece 41 is fully unfolded and in a measurable state.

[0033] The end housing 40 is also provided with a second water bladder 44, which surrounds the outer periphery of the end housing 40 and is made of a flexible material. The second lumen 212 of the delivery conduit 21 is connected to the second water bladder 44. After the second water bladder 44 is filled with water, it squeezes the inner wall of the channel at the end of the endoscope insertion tube, so that the measuring probe 4 is stably fixed at the end of the endoscope insertion tube, maintaining the synchronization between the measuring probe 4 and the end of the endoscope insertion tube to ensure the accuracy of directional adjustment.

[0034] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. An endoscopic instrument for measuring the extent and diameter of gastric signet ring cell carcinoma in multiple dimensions, characterized in that: The components include, in sequence, an operating handle (1), an insertion hose (2), a follower reversing tube (3), and a measuring probe (4), wherein, The operating handle (1) includes a handle body (10) and an electrically controlled micropump disposed in the handle body (10). The handle body (10) is provided with an input channel and an output channel. The input channel is connected to an inlet pipe (13), and the insertion hose (2) is connected to the output channel. The insertion tube (2) includes a flexible main body (20), the diameter of which is designed to fit into the biopsy channel of an existing endoscope system. The main body (20) contains a delivery catheter (21), which is connected to the handle body (10) and the delivery catheter (21) is connected to the output channel. The following direction-changing tube (3) includes a bendable tube body that can be bent in multiple directions. One end of the bendable tube body is seamlessly fixed to the main tube body (20), and the delivery tube (21) passes through the bendable tube body. The design diameter of the bendable tube body is such that the outer wall of the bendable tube body is adapted to fit the inner wall of the channel at the direction-changing bend at the end of the existing endoscope insertion tube. The measuring probe (4) includes an end housing (40) and a retractable measuring piece (41). The end housing (40) is seamlessly fixed to the bendable tube body at its tail end. The end housing (40) has an inner cavity (401) extending to the head end. The retractable measuring piece (41) includes a hollow vascular tube (410) and a measuring membrane (411). The hollow vascular tube (410) is a flexible tube, and the measuring membrane (411) is a flexible transparent film. Measurement scales are printed on the hollow vascular tube (410) and / or the measuring membrane (411). The measuring membrane (411) is attached to the hollow vascular tube (410). The hollow vascular tube (410) has a cavity for filling with water. The liquid transported by the delivery conduit (21) enters the hollow vascular tube (410) through the end housing (40). After the hollow vascular tube (410) is filled with water, it unfolds and tightens to form a supportive structure. The hollow vascular tube (410) is in a retracted state and a measuring state when it is not filled with water and when it is filled with water, respectively. In the retracted state, the retractable measuring piece (41) is folded and built into the inner cavity (401); in the measuring state, the retractable measuring piece (41) is protruded from the inner cavity (401) and unfolded.

2. The endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument according to claim 1, characterized in that: The hollow vascular tube (410) includes an edge tube (4101), an internal branch tube (4102), and a connecting tube. The edge tube (4101) is connected to the internal branch tube (4102). The edge tube (4101) is circular after being filled with water and stretched. The measuring membrane (411) is attached to the inside of the edge tube (4101) and is also attached to the internal branch tube (4102). The connecting tube passes through the inner cavity (401) and connects the edge tube (4101) and / or the internal branch tube (4102).

3. The endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument according to claim 2, characterized in that: The end housing (40) has a piston block (42) in the inner cavity (401). A first water bladder (43) is provided between the inner end of the piston block (42) and the rear end of the inner cavity (401). The two ends of the first water bladder (43) are respectively sealed and connected to the inner end face of the piston block (42) and the rear end face of the inner cavity (401). The rear end of the first water bladder (43) is connected to the delivery conduit (21). The connecting pipe passes through the piston block (42) and connects to the first water bladder (43). After the first water bladder (43) is filled with water and expands, it pushes the piston block (42) outward and then pushes the retractable measuring piece (41) out of the inner cavity (401). At the same time as the first water bladder (43) is filled with water, it also fills the hollow vascular tube (410).

4. The endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument according to claim 3, characterized in that: The retractable measuring plate (41) also includes a retractable base structure, which includes two elastic plates (412) symmetrically arranged about the central plane of the inner cavity (401). The elastic plate (412) includes an integrally connected inner plate (4120) and an arc-shaped liner (4121). The connection between the inner plate (4120) and the arc-shaped liner (4121) has a bend angle greater than 90°. The inner plate (4120) is fixedly connected to the outer end of the piston block (42). The two arc-shaped liners (4121) are arranged to expand outward relative to each other. The edge tube (4101) is attached to the concave side of the two arc-shaped liners (4121).

5. The endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument according to claim 2 or 3, characterized in that: The measurement scale includes radial and latitudinal scales. The radial scale includes multiple scale lines a (413) radiating outward from the center of the retractable measuring piece (41), with the scale lines a (413) set at equal angles. The latitudinal scale includes multiple scale lines b (414) arranged in concentric circles with the center of the retractable measuring piece (41) as the center, with the scale lines b (414) set at equal intervals.

6. The endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument according to claim 5, characterized in that: The two internal branches (4102) are arranged perpendicularly to each other and pass through the center of the edge tube (4101). The extension direction of one of the two internal branches (4102) is consistent with the central axis of the inner cavity (401), and the two internal branches (4102) are both provided with the same scale line a (413).

7. The endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument according to claim 1, characterized in that: The end housing (40) is also provided with a second water bladder (44), which is arranged around the outer periphery of the end housing (40) and is made of a flexible material; the delivery conduit (21) is configured as a double-lumen tube, which includes a first lumen (211) and a second lumen (212), and the first lumen (211) and the second lumen (212) are independently connected to the first water bladder (43) and the second water bladder (44); two electrically controlled micropumps are provided in the handle body (10), and the first lumen (211) and the second lumen (212) are respectively connected to the two electrically controlled micropumps. The handle body (10) is provided with a first control button (11) and a second control button (12) that respectively control the two electrically controlled micropumps.

8. The endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument according to claim 1, characterized in that: The bendable tube body includes multiple tube sections (30) connected in sequence. Adjacent tube sections (30) are sealed and connected by a flexible diaphragm (31). The flexible diaphragm (31) has an annular structure. The edge of the flexible diaphragm (31) is connected to the edge of the tube section (30). The tube section (30) connected to the measuring probe (4) is also sealed and connected to the end housing (40) through the flexible diaphragm (31).

9. The endoscopic multidimensional gastric signet ring cell carcinoma range and diameter measurement instrument according to claim 1, characterized in that: The main body (20) is provided with a fixed docking cap (22) for docking with the interface of the biopsy channel of the existing endoscope system.

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