Novel uterine manipulator and use method

Abstract

The novel uterine manipulator comprises a control handle, a hollow rod, a connecting rod, a cervical clamp and a uterine manipulator cup, a tightening device is arranged in the uterine manipulator cup and comprises an elastic lantern ring, the elastic lantern ring is arranged in the center of the uterine manipulator cup, the elastic lantern ring is provided with an opening, and the opening is communicated with the hollow rod. The device is used for tightening an outlet of a cervical canal, and is matched with the arrangement that a cervical clamp can contract or extend out of the cervical cup, firstly, the cervical clamp extends out of the cervical cup to clamp the cervix uteri, then the cervix uteri clamped by the cervical clamp is pulled down into the uterine lifting cup, and meanwhile, an opening of the cervical canal is tightened through an elastic lantern ring so as to prevent tissues in a uterine cavity from being damaged. In particular, the cancerous tissue flows out of the cervical canal, resulting in further spread of cancer cells.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a novel uterine manipulator and a method for using the same. Background Art

[0002] The uterine manipulator is mainly used to effectively support, lift and fix the uterus during gynecological surgery, especially endometrial cancer surgery, to fully expose the surgical field of view, facilitate surgical operations, and at the same time avoid further spread of endometrial cancer lesions, thereby improving the accuracy and safety of the surgery.

[0003] In the prior art, the uterine manipulator uses a solid structure and is provided with a uterine lifting rod, which is inserted into the uterus to swing the uterus and lift the uterus to the best position for surgery. However, the solid structure is heavy on the one hand, and on the other hand, when the uterine lifting rod is inserted into the uterus, it is easy to cause the exfoliation of the endometrial cancer lesion, and when the uterine lifting rod is improperly operated, it is easy to cause uterine perforation, thereby increasing the risk of tumor metastasis and spread. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a new uterine manipulator and a method of using the same, and the specific technical solution is as follows.

[0005] A novel uterine lifting device comprises a control handle, a hollow rod, a connecting rod, a cervical clamp, and a uterine lifting cup, wherein the top of the hollow rod is connected to the bottom of the uterine lifting cup; a through hole is provided at the bottom center of the uterine lifting cup, one end of the connecting rod passes through the interior of the hollow rod and the through hole of the uterine lifting cup and is connected to the cervical clamp, and the other end of the connecting rod is connected to the control handle; the uterine lifting cup comprises a tightening device inside, the tightening device comprises an elastic ring, the elastic ring is arranged in the center of the uterine lifting cup, the elastic ring has an opening for tightening the outlet of the cervical canal, and the connecting rod passes through the opening of the elastic ring.

[0006] Preferably, the elastic ring is located 2-3 cm below the plane of the cup mouth of the uterine cup.

[0007] Preferably, the tightening device further comprises a pulling device, the upper edge of which is fixed to the inner wall periphery of the uterine lifting cup, and the lower edge of which is connected to the elastic ring.

[0008] Preferably, the diameter of the pulling device gradually decreases from top to bottom.

[0009] Preferably, the opening diameter of the elastic ring is 2-4 cm.

[0010] Preferably, the cervical clamp can be retracted inside the uterine lifting cup, or extended outside the cup mouth of the uterine lifting cup.

[0011] Preferably, the control handle can control the connecting rod to move upward or downward so as to extend the cervical clamp out of the cup mouth of the uterine lifting cup, or to retract the cervical clamp inside the uterine lifting cup; the hollow rod includes a first bolt, which is used to lock the position of the connecting rod.

[0012] Preferably, the cervical forceps comprises at least two clamps, and the clamps have a serrated anti-slip structure.

[0013] Preferably, the control handle comprises a second bolt for fixing the two clamps of the cervical clamp.

[0014] A method for using a novel uterine manipulator comprises the following steps:

[0015] Step S1, inserting the novel uterine manipulator into the vagina through the vagina, adjusting the position of the novel uterine manipulator, operating the control handle to move upward, and extending the cervical clamp from the cup mouth of the uterine manipulator cup;

[0016] Step S2, after the cervical clamp is extended to reach the cervical position, the control handle is operated again to gradually close the two clamps of the cervical clamp to clamp the cervix, and the two clamps are fixed by the second bolt.

[0017] Step S3, operate the control handle to move downward to pull the cervix downward into the cervical lifting cup through the cervical clamp, and at the same time, the cervical lifting cup moves upward toward the vaginal vault until the cup mouth is close to the vaginal vault. During the upward movement of the cervical lifting cup, the cervical lifting cup drives the elastic ring to move upward along the cervical clamp and the cervical canal through the traction device until the elastic ring passes through the top of the cervical clamp and is sleeved on the outer surface of the cervical canal to tighten the opening of the cervical canal, and the position of the connecting rod is fixed by the first bolt.

[0018] Beneficial Effects

[0019] The present invention provides a novel uterine lifting rod, which has the following beneficial effects compared with the prior art:

[0020] (1) The novel uterine manipulator of the present invention has a hollow rod and places the connecting rod inside the hollow rod. On the one hand, the overall weight of the uterine manipulator is reduced. On the other hand, the uterine manipulator that enters the uterine cavity is eliminated and a cervical clamp is used to clamp the cervix. This can effectively prevent the uterine manipulator from entering the uterine cavity and causing the exfoliation of endometrial cancer lesions. At the same time, it can avoid uterine perforation caused by improper operation when placing the uterine manipulator, thereby increasing the risk of tumor metastasis and spread.

[0021] (2) The cervical clamp provided at the front end of the connecting rod of the present invention can be extended from the uterine lifting cup to effectively clamp the cervix, thereby avoiding cutting of the vaginal wall tissue during surgery and preventing the uterus from falling into the uterine cavity during hysterectomy, thereby preventing the endometrial tissue from flowing out and causing further diffusion.

[0022] (3) The present invention also provides an elastic tightening device in the uterine lifting cup. The tightening device includes an elastic ring that can tie up the cervical canal to prevent the intrauterine tissue, especially cancerous tissue, from flowing out of the cervical canal, thereby causing further spread of cancer cells.

[0023] (4) The present invention has a cervical clamp that can be extended and stored in the cervical cup, and an elastic ring is connected to the inside of the cervical lifting cup through a pulling device. After the cervical clamp is extended to clamp the cervix with the cervical lifting cup, the control handle is operated to pull the cervix downward into the cervical lifting cup through the cervical clamp, and at the same time, the cervical lifting cup moves upward toward the vaginal vault until the cup mouth is closely attached to the vaginal vault. On the one hand, it is helpful to identify the vaginal vault during surgery and to facilitate the severance of the vagina at the vaginal vault; on the other hand, during the upward movement of the cervical lifting cup, the cervical lifting cup drives the elastic ring to move upward along the cervical clamp and the cervical canal through the pulling device until the elastic ring passes above the cervical clamp, thereby cleverly putting the elastic ring on the outer surface of the cervical canal to tighten the opening of the cervical canal. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Attached Figure 1 This is a structural diagram of a new uterine manipulator according to an embodiment of the present invention.

[0025] In the figure, 1. cervical lifting cup, 2. elastic ring, 3. pulling device, 4. central control rod, 51, 52. connecting rod, 6. first bolt, 7. second bolt, 81, 82. control handle, 91, 92. cervical clamp. DETAILED DESCRIPTION

[0026] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0027] This embodiment discloses a new type of uterine lifting device, including control handles 81, 82, a hollow rod 4, a pair of connecting rods 51, 52 (not shown in the figure), cervical clamps 91, 92 and a uterine lifting cup 1. The top of the hollow rod 4 is connected to the bottom of the uterine lifting cup 1. A through hole is provided at the bottom center of the uterine lifting cup 1. One end of the connecting rods 51, 52 passes through the interior of the hollow rod 4 and the through hole of the uterine lifting cup 1 and is connected to the cervical clamps 91, 92 respectively, and the other end is connected to the control handles 81, 82 respectively. The uterine lifting cup 1 includes a tightening device inside, and the tightening device includes an elastic collar 2. The elastic collar 2 is arranged in the center of the uterine lifting cup 1 and is located 2-3 cm below the cup mouth plane of the uterine lifting cup 1. The elastic collar 2 has an opening for tightening the outlet of the cervical canal, and the connecting rods 51, 52 pass through the opening of the elastic collar 2.

[0028] Furthermore, the tightening device may also include a pulling device 3, the upper edge of the pulling device 3 is fixed to the inner wall periphery of the uterine cup, and the lower edge is connected to the elastic ring 2.

[0029] Furthermore, the connecting rods 51 and 52 can be controlled to move upward or downward by controlling the handles 81 and 82, so as to retract the cervical clamps 91 and 92 into the interior of the cervical lifting cup 1, or extend them out of the cup mouth of the cervical lifting cup 1; a fixing bolt 6 is provided on the hollow rod 4 to lock the position of the connecting rods 51 and 52.

[0030] The method for using the new uterine manipulator provided in this embodiment includes the following steps.

[0031] Step S1, insert the new uterine manipulator into the vagina through the vagina, adjust the position of the new uterine manipulator, operate the control handles 81, 82 to move the connecting rods 51, 52 upward, and extend the cervical clamps 91, 92 from the cup mouth of the uterine manipulator cup 1;

[0032] Step S2, after the cervical clamps 91, 92 reach the cervix, the control handles 81, 82 are operated again to gradually close the jaws of the cervical clamps 91, 92 to clamp the cervix;

[0033] Step S3, operate the control handles 81, 82 to move downward, so as to pull the cervix downward to the inside of the cervical lifting cup 1 through the cervical clamps 91, 92, and at the same time, the cervical lifting cup 1 moves upward toward the vaginal vault until the cup mouth is close to the vaginal vault. During the upward movement of the cervical lifting cup 1, the cervical lifting cup 1 drives the elastic ring 2 to move upward along the cervical clamps 91, 92 and the cervical canal through the traction device 3 until the elastic ring 2 passes through the top of the cervical clamps 91, 92, and is sleeved on the outer surface of the cervical canal to tighten the opening of the cervical canal, and the position of the connecting rod is fixed by the second bolt 7.

[0034] Preferably, the opening diameter of the elastic ring 2 is 2 cm-4 cm, so as to ensure that the cervical clamps 91, 92 and the cervical canal can pass through the opening in step S3, and the elastic ring 2 can finally be placed on the cervical canal at a position with a larger diameter upward.

[0035] Preferably, the clamps of the cervical forceps 91, 92 have a serrated anti-slip structure.

[0036] The uterine manipulator provided in this embodiment has the following advantages:

[0037] (1) The cervical clamp can be extended and stored in the cervical cup, and the elastic ring is connected to the inside of the cervical lifting cup through a pulling device. After the cervical clamp is extended to clamp the cervix, the control handle is operated to clamp the cervix downward into the cervical lifting cup through the cervical clamp, and the cervical lifting cup is moved upward toward the vaginal vault until the cup mouth is close to the vaginal vault. On the one hand, it is helpful to identify the vaginal vault during surgery and to cut off the vagina at the vaginal vault; on the other hand, during the upward movement of the cervical lifting cup, the cervical lifting cup drives the elastic ring to move upward along the cervical clamp and the cervical canal through the pulling device until the elastic ring passes above the cervical clamp, thereby cleverly putting the elastic ring on the outer surface of the cervical canal to tighten the opening of the cervical canal. Therefore, it can prevent the intrauterine tissue, especially cancerous tissue, from flowing out of the cervical canal, leading to further spread of cancer cells.

[0038] (2) By providing a hollow rod and placing the connecting rod inside the hollow rod, on the one hand, the overall weight of the uterine manipulator is reduced. On the other hand, the uterine manipulator that enters the uterine cavity is eliminated, and a cervical clamp is used to clamp the cervix instead. This can effectively prevent the uterine manipulator from entering the uterine cavity and causing the exfoliation of endometrial cancer lesions. At the same time, it can avoid uterine perforation caused by improper operation when placing the uterine manipulator, thereby increasing the risk of tumor metastasis and spread.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel uterine manipulator, characterized in that: It includes a control handle, a hollow rod, a connecting rod, a cervical clamp, and a uterine lifting cup, wherein the top of the hollow rod is connected to the bottom of the uterine lifting cup; a through hole is provided at the bottom center of the uterine lifting cup, one end of the connecting rod passes through the interior of the hollow rod and the through hole of the uterine lifting cup and is connected to the cervical clamp, and the other end of the connecting rod is connected to the control handle; the uterine lifting cup includes a tightening device inside, the tightening device includes an elastic ring, the elastic ring is arranged in the center of the uterine lifting cup, the elastic ring has an opening for tightening the outlet of the cervical canal, and the connecting rod passes through the opening of the elastic ring.

2. A novel uterine manipulator according to claim 1, characterized in that: The elastic sleeve ring is located 2-3 cm below the cup opening plane of the uterine cup.

3. A novel uterine manipulator according to claim 2, characterized in that: The tightening device also includes a pulling device, the upper edge of which is fixed to the inner wall periphery of the uterine lifting cup, and the lower edge of which is connected to the elastic ring.

4. A novel uterine manipulator according to claim 3, characterized in that: The diameter of the pulling device gradually decreases from top to bottom.

5. A novel uterine manipulator according to claim 1, characterized in that: The opening diameter of the elastic collar is 2-4 cm.

6. A novel uterine manipulator according to claim 1, characterized in that: The cervical clamp can be retracted inside the uterine lifting cup, or extended out of the cup mouth of the uterine lifting cup.

7. A novel uterine manipulator according to claim 6, characterized in that: The control handle can control the connecting rod to move upward or downward to extend the cervical clamp out of the cup mouth of the uterine lifting cup, or to retract the cervical clamp inside the uterine lifting cup; the hollow rod includes a first bolt, which is used to lock the position of the connecting rod.

8. A novel uterine manipulator according to claim 1, characterized in that: The cervical forceps comprises at least two clamps, and the clamps have a serrated anti-slip structure.

9. A novel uterine manipulator according to claim 8, characterized in that: The control handle comprises a second bolt for fixing the two jaws of the cervical clamp.

10. A method for using a novel uterine manipulator according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step S1, inserting the novel uterine manipulator into the vagina through the vagina, adjusting the position of the novel uterine manipulator, operating the control handle to move upward, and extending the cervical clamp from the cup mouth of the uterine manipulator cup; Step S2, after the cervical clamp extends out of the cervical lifting cup and reaches the cervical position, the control handle is operated again to gradually close the two clamps of the cervical clamp to clamp the cervix, and the two clamps are fixed by the second bolt; Step S3, operate the control handle to move downward to pull the cervix downward into the cervical lifting cup through the cervical clamp, and at the same time, the cervical lifting cup moves upward toward the vaginal vault until the cup mouth is close to the vaginal vault. During the upward movement of the cervical lifting cup, the cervical lifting cup drives the elastic ring to move upward along the cervical clamp and the cervical canal through the traction device until the elastic ring passes through the top of the cervical clamp and is sleeved on the outer surface of the cervical canal to tighten the opening of the cervical canal, and the position of the connecting rod is fixed by the first bolt.

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