Magnetic traction tool for lesion mucous membrane resection

Abstract

The magnetic traction tool comprises an endoscope device and a traction device, the traction device is clamped at one end of the endoscope device, the traction device is composed of a rubber ring and a magnetic ring, the traction device is composed of a shell and a magnet, and the magnet is connected with the shell through an adjusting mechanism. The endoscope device is adopted for feeding the traction device, the periphery of the mucous membrane is fixed through the traction device, mucous membrane traction is conducted through the traction device on the outside, the mucous membrane on the periphery of a focus is stripped through magnetic traction, the operation convenience is effectively improved, and the problem that mucous membrane resection is inconvenient due to the narrow operation area is solved; the operation difficulty is effectively reduced, when the magnet ring is attracted through the magnet, magnetic force adjustment can be achieved through the adjusting mechanism, adjustment can be conducted according to the distance of the traction position, it is guaranteed that traction is in place so that smooth stripping of the mucous membrane can be guaranteed, magnetic traction stripping can not be limited by the traction direction, and mucous membrane resection convenience is guaranteed.

Description

Technical Field

[0001] The invention relates to a magnetic traction tool for lesion mucosa excision, belonging to the technical field of lesion mucosa excision surgery. Background Art

[0002] Focal mucosal resection is a commonly used medical method, mainly used to remove diseased mucosal tissue to achieve the purpose of treatment. Focal mucosal resection refers to the process of completely removing diseased mucosal tissue under endoscopic observation using specific surgical instruments. This surgical method is mainly suitable for mucosal lesions such as gastrointestinal polyps and early tumors. The principle is to use the magnification and lighting functions of the endoscope to accurately observe the lesion site, and then perform precise resection with surgical instruments. The main methods of focal mucosal resection include endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD).

[0003] When using ESD, after cleaning the lesion, use specific techniques to observe and clarify the edge according to the pathological type of the lesion; use electric knife to mark the range of the lesion 5 to 10 mm circumference of the edge; use normal saline, epinephrine saline or sodium hyaluronate injection to inject and observe the lifting sign; use electric knife to make circumferential incision and peel layer by layer under the mucosa to completely remove the lesion.

[0004] In the actual operation of mucosal resection of lesions, due to the small surgical area, the peeling operation is difficult after the mucosa around the lesion is incised, which is extremely challenging for the physician's operating experience. In addition, after the mucosa is incised, it is affected by the location of the lesion and it is difficult to peel it in different directions, making it difficult to remove the mucosa quickly after resection, affecting the smoothness of the operation, increasing the difficulty of the surgical operation, and easily causing damage to the mucosa in other locations due to operational difficulties. Summary of the invention

[0005] In order to solve the technical problem that mucosal excision and peeling at the lesion site is inconvenient and affects the progress of the operation, the present invention provides a magnetic traction tool for mucosal excision at the lesion site.

[0006] The present invention solves the above technical problems through the following technical solutions:

[0007] The present invention provides a magnetic traction tool for lesion mucosal resection, the magnetic traction tool for lesion mucosal resection comprising:

[0008] An endoscope device, wherein one end of the endoscope device extending into the patient's body is clamped with a traction device, wherein the traction device is composed of a rubber ring and a magnetic ring, wherein the rubber ring is connected to the magnetic ring through dental floss, and a traction mechanism is provided on the surface of the rubber ring;

[0009] The pulling device is composed of a shell and a magnet. The magnet is slidably connected to the inside of the shell, and the magnet is connected to the shell through an adjusting mechanism.

[0010] In the present technical solution, the endoscope device is composed of an endoscope tube, one end of the endoscope tube extending into the patient's body is fixedly connected to a terminal, and the surface of the terminal is respectively fixedly connected to an endoscope and a clamping mechanism.

[0011] In the technical solution, the clamping mechanism includes an extension tube and a hemostatic clamp. The extension tube is fixedly connected to the surface of the end head, and the hemostatic clamp is movably sleeved inside the extension tube.

[0012] In the technical solution, the inner diameter of the rubber band is 6.35 mm, one side of the surface of the rubber band is fixedly connected to the dental floss, and the other side of the rubber band is sleeved with a traction mechanism.

[0013] In the technical solution, the traction mechanism includes a connecting ring, the connecting ring is sleeved with the surface of the rubber ring, and the two sides of the connecting ring are fixedly connected to the clamping block and the draw hook respectively.

[0014] In the technical solution, the traction device is located inside the hemostatic clamp, and the hemostatic clamp clamps a rubber ring and a clamping block respectively.

[0015] In the technical solution, the magnet is wrapped inside the shell, the shell is made of plastic material, a plurality of ribs are fixedly connected to the inner wall of the shell, and a notch located on the surface of the rib is opened at the edge of the magnet.

[0016] In the present technical solution, the cross section of the shell is a U-shaped structure, the surface of the shell is fixedly connected to the limiting plate, and the middle part of the limiting plate is fixedly connected to the lifting ring.

[0017] In the present technical solution, the adjustment mechanism includes a stud, a knob and a sleeve, the stud is fixedly connected to the middle of the magnet, the sleeve is rotatably connected to the inside of the shell, one end of the sleeve is fixedly connected to the knob, and the other end of the sleeve is threadedly sleeved with the stud.

[0018] In the technical solution, the cross-section of the limiting plate is a U-shaped structure, a knob is provided inside the limiting plate, and the knob is fitted and connected to the surface of the shell.

[0019] On the basis of being in accordance with the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present invention.

[0020] The positive and progressive effects of the present invention are:

[0021] The magnetic traction tool for lesion mucosal resection proposed above uses an endoscopic device to insert the traction device, fixes the periphery of the mucosa through the traction device, and pulls the mucosa through the outside through a traction device, and realizes the peeling of the mucosa around the lesion through magnetic traction, which effectively improves the convenience of surgery, solves the problem of inconvenience in mucosal resection due to the narrow surgical area, effectively reduces the difficulty of surgery, and when the magnetic ring is adsorbed by a magnet, the magnetic force can be adjusted through an adjustment mechanism, which can be adjusted according to the distance of the traction position to ensure that the traction is in place to ensure the smooth peeling of the mucosa. The peeling through magnetic traction is not limited by the traction direction, which ensures the convenience of mucosal resection and improves the performance of lesion mucosal resection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the traction device of the present invention.

[0024] Figure 3 For the present invention Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0025] Figure 4 It is a three-dimensional structural schematic diagram of the endoscope device and the traction device of the present invention.

[0026] Figure 5 It is a front view structural schematic diagram of the endoscope device of the present invention.

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the traction device of the present invention.

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the pulling device of the present invention.

[0029] Figure 8 It is a schematic diagram of the internal half-section three-dimensional structure of the pulling device of the present invention.

[0030] Description of Reference Numerals

[0031] 10. Endoscope device; 11. Endoscope tube; 12. End tip; 13. Endoscope; 14. Extension tube; 15. Hemostatic clip;

[0032] 20. Traction device; 21. Rubber band; 22. Connecting ring; 23. Clamping block; 24. Retractor; 25. Dental floss; 26. Magnetic ring;

[0033] 30. Pulling device; 31. Shell; 32. Magnet; 33. Stud; 34. Rib; 35. Limiting plate; 36. Lifting ring; 37. Knob; 38. Sleeve. DETAILED DESCRIPTION

[0034] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0035] like Figure 1-8 As shown, the magnetic traction tool for lesion mucosal resection includes:

[0036] An endoscope device 10, wherein one end of the endoscope device 10 extending into the patient's body is clamped with a traction device 20, wherein the traction device 20 is composed of a rubber ring 21 and a magnetic ring 26, wherein the rubber ring 21 is connected to the magnetic ring 26 via a dental floss 25, and a traction mechanism is provided on the surface of the rubber ring 21;

[0037] The pulling device 30 is composed of a shell 31 and a magnet 32. The magnet 32 ​​is slidably connected to the inside of the shell 31, and the magnet 32 ​​is connected to the shell 31 through an adjustment mechanism.

[0038] The endoscope device 10 is composed of an endoscope tube 11, one end of which extends into the patient's body is fixedly connected to a terminal 12, and the surface of the terminal 12 is respectively fixedly connected to an endoscope 13 and a clamping mechanism; the clamping mechanism includes an extension tube 14 and a hemostatic clip 15, the extension tube 14 is fixedly connected to the surface of the terminal 12, and the hemostatic clip 15 is movably sleeved inside the extension tube 14.

[0039] In the present technical solution, after marking the location where the ESD is to be performed, the mucosa is cut around the lesion, the gastroscope is withdrawn, and the traction device 20 is sent into the gastric cavity together with the hemostatic clamp 15. After the mucosa around the lesion is cut, the traction device 20 is placed on the hemostatic clamp 15, and the hemostatic clamp 15 is contracted. When the hemostatic clamp 15 in the open state is retracted into the extension tube 14, the traction device 20 is clamped and fixed, and the endoscope tube 11 is extended into the gastric cavity to guide the traction device 20.

[0040] The inner diameter of the rubber band 21 is 6.35 mm. One side of the surface of the rubber band 21 is fixedly connected to the dental floss 25, and the other side of the rubber band 21 is sleeved with a traction mechanism; the traction mechanism includes a connecting ring 22, and the connecting ring 22 is sleeved with the surface of the rubber band 21. The two sides of the connecting ring 22 are respectively fixedly connected to the clamping block 23 and the retractor 24; the traction device 20 is located inside the hemostatic clamp 15, and the hemostatic clamp 15 clamps the rubber band 21 and the clamping block 23 respectively.

[0041] In the present technical solution, the hemostatic clamp 15 is used to clamp the rubber band 21, and the rubber band 21 is deformed so that the hemostatic clamp 15 clamps the clamping block 23 at the same time, thereby fixing the retractor 24. After the endoscopic device 10 is sent into the gastric cavity, the retractor 24 on the connecting ring 22 is fixed on the incised lesion mucosa, and the traction device 20 is used to clamp one side of the incised mucosa. At this time, the installation of the traction device 20 is completed, and then the traction device 30 is used to pull the traction device 20 through the outside of the ex vivo gastric cavity.

[0042] The magnet 32 ​​is wrapped into the interior of the shell 31, and the shell 31 is made of plastic material. A plurality of ribs 34 are fixedly connected to the inner wall of the shell 31, and a notch located on the surface of the rib 34 is opened at the edge of the magnet 32. The cross-section of the shell 31 is a U-shaped structure, and the surface of the shell 31 is fixedly connected to the limit plate 35, and the middle part of the limit plate 35 is fixedly connected to the hanging ring 36. The adjustment mechanism includes a stud 33, a knob 37 and a sleeve 38, the stud 33 is fixedly connected to the middle part of the magnet 32, the sleeve 38 is rotatably connected to the inside of the shell 31, one end of the sleeve 38 is fixedly connected to the knob 37, and the other end of the sleeve 38 is threadedly sleeved with the stud 33. The cross-section of the limit plate 35 is a U-shaped structure, and a knob 37 is provided inside the limit plate 35, and the knob 37 is fitted and connected to the surface of the shell 31.

[0043] In the present technical solution, the traction device 30 is placed on one side of the ex vivo gastric cavity so that the magnet 32 ​​corresponds to the magnetic ring 26. The magnetic force formed causes the magnetic ring 26 to move toward the position of the magnet 32. The suction force generated at this time causes the dental floss 25 to pull the traction mechanism to move, thereby realizing the stripping of the mucosa; during the stripping process, the position of the magnet 32 ​​is adjusted to generate traction forces in different directions, thereby controlling the stripping direction and realizing a dynamic traction function; before traction, the magnet 32 ​​is located inside the shell 31, and is rotated to drive the sleeve 38 to rotate synchronously. The magnet 32 ​​is limited by the ribs 34, so that when the sleeve 38 rotates on the surface of the stud 33, it drives the magnet 32 ​​to move inside the shell 31, thereby adjusting the distance between the magnet 32 ​​and the magnetic ring 26 to prevent excessive traction caused by excessive magnetic force during the initial operation. Appropriate adjustments are made according to the distance between the magnetic ring 26 and the magnet 32 ​​to ensure that the magnetic force is appropriate to achieve slow traction and ensure smooth stripping of the lesion mucosa.

[0044] The present invention is not limited to the above-mentioned embodiments. Any changes in shape or structure are within the protection scope of the present invention. The protection scope of the present invention is defined by the attached claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications are within the protection scope of the present invention.

Claims

1. A magnetic traction tool for mucosal resection of lesions, characterized in that: The magnetic traction tool for lesion mucosal resection includes: An endoscope device (10), wherein one end of the endoscope device (10) extending into the patient's body is clamped with a traction device (20), wherein the traction device (20) is composed of a rubber ring (21) and a magnetic ring (26), wherein the rubber ring (21) is connected to the magnetic ring (26) via a dental floss (25), and a traction mechanism is provided on the surface of the rubber ring (21); A pulling device (30) is composed of a shell (31) and a magnet (32). The magnet (32) is slidably connected to the inside of the shell (31), and the magnet (32) is connected to the shell (31) through an adjustment mechanism.

2. The magnetic traction tool for lesion mucosal excision according to claim 1, characterized in that: The endoscope device (10) is composed of an endoscope tube (11), one end of the endoscope tube (11) extending into the patient's body is fixedly connected to a terminal (12), and the surface of the terminal (12) is respectively fixedly connected to an endoscope (13) and a clamping mechanism.

3. The magnetic traction tool for lesion mucosal excision according to claim 2, characterized in that: The clamping mechanism comprises an extension tube (14) and a hemostatic clamp (15); the extension tube (14) is fixedly connected to the surface of the end head (12); and the hemostatic clamp (15) is movably sleeved inside the extension tube (14).

4. The magnetic traction tool for lesion mucosal resection according to claim 1, characterized in that: The inner diameter of the rubber ring (21) is 6.35 mm. One side of the surface of the rubber ring (21) is fixedly connected to the dental floss (25), and the other side of the rubber ring (21) is sleeved with a traction mechanism.

5. The magnetic traction tool for lesion mucosal excision according to claim 3, characterized in that: The traction mechanism comprises a connecting ring (22), the connecting ring (22) is sleeved with the surface of the rubber ring (21), and the two sides of the connecting ring (22) are respectively fixedly connected to the clamping block (23) and the draw hook (24).

6. The magnetic traction tool for lesion mucosal resection according to claim 1, characterized in that: The traction device (20) is located inside the hemostatic clamp (15), and the hemostatic clamp (15) respectively clamps a rubber ring (21) and a clamping block (23).

7. The magnetic traction tool for lesion mucosal excision according to claim 1, characterized in that: The magnet (32) is wrapped inside the outer shell (31), the outer shell (31) is made of plastic material, a plurality of ribs (34) are fixedly connected to the inner wall of the outer shell (31), and a notch located on the surface of the rib (34) is provided at the edge of the magnet (32).

8. The magnetic traction tool for lesion mucosal resection according to claim 7, characterized in that: The cross section of the shell (31) is a U-shaped structure; the surface of the shell (31) is fixedly connected to the limiting plate (35), and the middle of the limiting plate (35) is fixedly connected to the lifting ring (36).

9. The magnetic traction tool for lesion mucosal excision according to claim 7, characterized in that: The adjustment mechanism comprises a stud (33), a knob (37) and a sleeve (38); the stud (33) is fixedly connected to the middle of the magnet (32); the sleeve (38) is rotatably connected to the inside of the housing (31); one end of the sleeve (38) is fixedly connected to the knob (37); and the other end of the sleeve (38) is threadedly sleeved to the stud (33).

10. The magnetic traction tool for lesion mucosal excision according to claim 8, characterized in that: The cross section of the limiting plate (35) is a U-shaped structure. A knob (37) is provided inside the limiting plate (35), and the knob (37) is fitted and connected to the surface of the housing (31).

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