Built-in fetching bag type tumor-free uterine manipulator

Abstract

The invention discloses an embedded fetching bag type tumor-free uterine manipulator, and relates to the field of gynecological minimally invasive surgical instruments, the embedded fetching bag type tumor-free uterine manipulator comprises a uterine manipulator cup, an operating rod, a guide rod and a fetching bag, the uterine manipulator cup comprises a uterine manipulator cup body, a hollow connecting rod and a handle, and the non-working side of the uterine manipulator cup body is connected with the handle into a whole through the hollow connecting rod; the hollow connecting rod and the uterus lifting cup body are coaxially arranged, and a through center hole is formed in the uterus lifting cup in the axis direction; the operating rod is embedded into the center hole, the guide rod is connected into an inner hole of the operating rod in a penetrating mode, and the fetching bag is hung on the edge of the uterus lifting cup body. The surgical instrument is ingenious in design and higher in safety, an isolation effect is achieved in operation through introduction of the fetching bag, so that the operation is completely tumor-free, and damage to vaginal wall or abdominal wall tissue due to misoperation is avoided; during operation, the function of dragging the grippers is achieved, and the problem that the operation difficulty is increased due to the fact that the uterus body is spherical or the cervix uteri is crisp and has no instrument acting points is solved.

Description

Technical Field

[0001] The present invention relates to the field of gynecological minimally invasive surgical instruments, and in particular to a tumor-free uterine manipulator with an embedded retrieval bag and an operating method thereof. Background Art

[0002] A uterine manipulator is a gynecological surgical instrument used to fix and lift the uterus during a total hysterectomy, making it easier for the doctor to operate. Depending on the design, uterine manipulators are divided into three main types: multi-head uterine manipulators, plug-type uterine manipulators, and cup-type uterine manipulators. Currently, commonly used uterine manipulators lack a retrieval bag, which can lead to the following problems during use:

[0003] 1) During surgery, especially for endometrial cancer, the guide rod often causes endometrial bleeding, and cancer cells spread to the vaginal wall with the blood.

[0004] 2) After hysterectomy, when the uterus is removed through the vagina or abdominal wall, the existing removal bag and removal method will cause the uterus to separate from the uterine manipulator, leading to the re-implantation of tumor cells.

[0005] 3) First, an overly large uterus often causes vaginal laceration during vaginal removal, and the laceration site and vaginal stump increase the risk of tumor cell implantation; second, an overly large uterus or a uterus with fragile cervical tissue often has no instrument fulcrum, increasing the difficulty of the operation.

[0006] 4) During the operation, when a novice surgeon removes an oversized uterus through the vagina without a retrieval bag, the operating space is limited, or the assistant cannot use the vaginal retractor correctly, resulting in insufficient exposure of the visual field, which may lead to the vaginal wall being mistaken for part of the uterus and cut, or the scalpel may cut the vaginal wall due to the limited operating space.

[0007] Therefore, how to develop a tumor-free uterine manipulator with an embedded retrieval bag to facilitate surgical operations, which, when used in laparoscopic uterine surgery, can make the surgery tumor-free, prevent the spread of tumors (uterine fibroids and malignant tumors), and improve safety. Summary of the Invention

[0008] The purpose of the present invention is to provide a tumor-free uterine manipulator with an embedded retrieval bag, which is used for laparoscopic uterine surgery, so that the surgery can be tumor-free to prevent tumor spread, while avoiding damage to the vaginal wall or abdominal wall tissue, and at the same time playing a gripping traction role, avoiding the problem of increased surgical difficulty caused by the spherical shape of the uterus or the brittle cervix with no instrument fulcrum.

[0009] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0010] The present invention provides a tumor-free uterine lifting device with an embedded retrieval bag, comprising a uterine lifting cup, a joystick, a guide rod and a retrieval bag. The uterine lifting cup comprises a uterine lifting cup body, a hollow connecting rod and a handle. The non-working side of the uterine lifting cup body is connected to the handle as a whole through the hollow connecting rod. The hollow connecting rod and the uterine lifting cup body are coaxially arranged, and the uterine lifting cup is provided with a penetrating center hole along the axial direction; the joystick is embedded in the center hole, the guide rod is connected through the inner hole of the joystick, and the retrieval bag is hung on the edge of the uterine lifting cup body.

[0011] Preferably, the uterine lifting cup body and the hollow connecting rod are both configured as a sleeve structure, with a hollow receiving groove formed between the inner ring and the outer ring. The retrieval bag is embedded in the receiving groove and connected to the outer ring edge of the uterine lifting cup body through a cat earring hook.

[0012] Preferably, a connecting hole column is provided on one side of the handle, and the second screw passes through the connecting hole column to fasten the joystick in the center hole.

[0013] Preferably, a positioning hole is provided at the bottom of the joystick, and a first screw is provided in the positioning hole, and the first screw positions the guide rod in the inner hole of the joystick.

[0014] Preferably, the working end of the joystick is configured as a screw head.

[0015] Preferably, a plurality of side pockets are provided inside the retrieval bag.

[0016] Preferably, one end of the cat earring hook is embedded in the retrieval bag, and the other end is hung on the top of the palace cup body. The shape of the cat earring hook is set to be an oval ring and is smooth without sharp corners, and the bending angle is set to 90°-110°.

[0017] Preferably, the material of the uterine lifting cup is medical plastic, the material of the retrieval bag is transparent medical plastic, and the material of the guide rod and the joystick is medical plastic or stainless steel.

[0018] Preferably, the connection between the uterine lifting cup body and the hollow connecting rod is set to a chamfer or a right angle, and an assembly process hole is provided on the hollow connecting rod. The assembly process hole is located on the side away from the uterine lifting cup body and is connected to the accommodating groove.

[0019] Preferably, a side-opening process opening is provided on the outer ring of the uterine lifting cup body and the hollow connecting rod, and the side-opening process opening extends from the opening end of the uterine lifting cup body to the bottom of the accommodating groove, and the accommodating groove is connected to the outside through the side-opening process opening.

[0020] Compared with the prior art, the present invention has the following beneficial technical effects:

[0021] The present invention provides a tumor-free uterine manipulator with an embedded retrieval bag, comprising a uterine lifting cup, a joystick, a guide rod and a retrieval bag. The uterine lifting cup comprises a uterine lifting cup body, a hollow connecting rod and a handle. To facilitate the installation of the retrieval bag, an assembly process hole is provided on the hollow connecting rod in a fully enclosed structure, or a semi-enclosed structure with a side-opening process port is adopted.

[0022] 1) The design of the embedded retrieval bag ensures that the cervix is ​​always inside the retrieval bag and the vaginal wall is always outside the retrieval bag. During the operation, even if the cervical cup is separated from the cervix, the contents of the uterine cavity that flow out are isolated in the retrieval bag, truly achieving tumor-free operation.

[0023] 2) The process of removing the uterus through the vagina or abdomen is always carried out in the extraction bag to avoid tumor dissemination caused by cutting the uterine cavity or the tumor during removal due to the large uterus; at the same time, it effectively prevents the vaginal wall or abdominal wall from being cut due to the limited operating space.

[0024] 3) It acts as a gripper when removing an overly large uterus or a uterine body with a fragile cervix.

[0025] In general, the present invention is cleverly designed and safer. Through the introduction of the retrieval bag, it plays an isolation role during the operation, avoiding the spread of objects such as tumor cells, so that the operation can be completely tumor-free, and avoiding damage to the vaginal wall or abdominal wall tissue due to incorrect operation; during the operation, it plays the role of a traction gripper, avoiding the problem of increased surgical difficulty caused by the spherical uterine body or the brittle cervix with no instrument fulcrum. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described below with reference to the accompanying drawings.

[0027] Figure 1 This is an exploded view of the tumor-free uterine manipulator with an embedded retrieval bag according to the present invention;

[0028] Figure 2 This is an assembly diagram of the tumor-free uterine manipulator with an embedded retrieval bag according to the present invention;

[0029] Figure 3 This is a side view of the tumor-free uterine manipulator with an embedded retrieval bag according to the present invention;

[0030] Figure 4 This is the AA cross-section of the present invention's palace cup Figure 1 ;

[0031] Figure 5 This is a cross-sectional view of another embodiment of the palace cup of the present invention;

[0032] Figure 6 This is a front view of the third embodiment of the palace cup of the present invention;

[0033] Figure 7This is a top view of the third embodiment of the palace cup of the present invention;

[0034] Figure 8 This is a schematic diagram of the relationship between the cat ear hanging ring and the palace cup of the present invention;

[0035] Figure 9 Schematic diagram of the vagina measuring device of the present invention.

[0036] Explanation of Reference Numerals: 1. uterine cup body; 2. hollow connecting rod; 3. handle; 4. connecting hole column; 5. cat earring hook; 6. first screw; 7. second screw; 8. operating lever; 9. guide rod; 10. positioning hole; 11. taking bag; 12. receiving slot; 13. side pocket; 14. vaginal measuring device; 15. traction rope;

[0037] 201. Assembly process hole; 202. Chamfer; 203. Side opening process port. DETAILED DESCRIPTION

[0038] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0039] like Figure 1-9 As shown, a tumor-free uterine lifting device with an embedded retrieval bag includes a uterine lifting cup, an operating rod 8, a guide rod 9 and a retrieval bag 11. The uterine lifting cup includes a uterine lifting cup body 1, a hollow connecting rod 2 and a handle 3. The non-working side of the uterine lifting cup body 1 is connected to the handle 3 as a whole through the hollow connecting rod 2. The hollow connecting rod 2 and the uterine lifting cup body 1 are coaxially arranged, and the uterine lifting cup is provided with a penetrating center hole along the axial direction; the operating rod 8 is embedded in the center hole, the guide rod 9 is connected to the inner hole of the operating rod 8, and the retrieval bag 11 is hung on the edge of the uterine lifting cup body 1.

[0040] Specifically, the overall design is compact, easy to use and safe. The embedded retrieval bag design can ensure that the cervix is ​​always in the retrieval bag and the vaginal wall is always outside the retrieval bag. During the surgical operation, even if the cervical cup is separated from the cervix, the contents of the uterine cavity that flow out are isolated in the retrieval bag, truly achieving tumor-free surgery.

[0041] Specifically, such as Figure 3-5 As shown, the uterine lifting cup body 1 and the hollow connecting rod 2 are both configured as a sleeve structure, and a hollow receiving groove 12 is formed between the inner ring and the outer ring. The taking bag 11 is embedded in the receiving groove 12 and is connected to the outer ring edge of the uterine lifting cup body 1 through a cat earring hook 5. When used, the taking bag 11 is long enough to ensure that it remains outside the body.

[0042] Specifically, a connecting hole column 4 is provided on one side of the handle 3, and the second screw 7 passes through the connecting hole column 4 to fasten the joystick 8 in the center hole. The working end of the second screw 7 is screwed into the threaded hole on the connecting hole column 4 and abuts against the outer wall of the joystick 8; a positioning hole 10 is provided at the bottom of the joystick 8, and the positioning hole 10 is provided with a first screw 6, and the first screw 6 positions the guide rod 9 in the inner hole of the joystick 8.

[0043] Specifically, the working end of the operating rod 8 is configured as a screw head to facilitate screwing into the cervix, thereby making the cervix and the operating rod more tightly coupled. The guide rod 9 is preferably a straight rod, but a combination of a curved head and a straight tail can also be used. During use, the guide rod 9 is used to adjust the position of the uterus and simultaneously guide and position the operating rod 8.

[0044] Specifically, such as Figure 8 As shown, the interior of the retrieval bag 11 is provided with a plurality of side pockets, and a specific embodiment includes three side pockets, which can be marked as A, B, and C respectively. When the uterus is removed, the remaining pathological tissues can be numbered and placed together and then taken out together, thereby reducing the number of times the instrument is put in and out, and further reducing the probability of infection.

[0045] like Figure 5 As shown, one end of the cat-ear hook 5 is embedded in the retrieval bag 11, and the other end is suspended from the top of the uterine lifting cup body 1. The cat-ear hook 5 is designed to be an oval ring with smooth, no sharp corners, and a bending angle of 90°-110°, improving safety and reducing the risk of scratches. It also forms a 20° angle with the uterine lifting cup body, facilitating instrument grasping. Specifically, the retrieval bag is open at both ends and can be tied or ligated. The vaginal end of the retrieval bag needs to extend outside the body to provide a safe isolation function and prevent tumor cells from implanting in the vaginal wall.

[0046] Specifically, the uterine lifting cup is made of medical plastic, and the retrieval bag 11 is made of transparent medical plastic, which facilitates observation of the specimen placement. The guide rod 9 and the joystick 8 are made of medical plastic or stainless steel. Medical plastic is an insulating material that prevents the effects of surgical electrocuting and improves safety.

[0047] When using, such as Figure 9 As shown, it needs to cooperate with the vaginal measuring device 14 and the laparoscopic instrument forceps. Specifically, the size of the vaginal measuring device 14 is consistent with the specifications of the uterine lifting cup, and is used to expand and measure the vagina to determine the size of the uterine lifting cup and reduce vaginal lacerations.

[0048] like Figure 3-5As shown, in one embodiment, the palace lifting cup adopts a fully enclosed structure with an open top, and the connection between the palace lifting cup body 1 and the hollow connecting rod 2 is set to a chamfer 202 or a right angle, and an assembly process hole 201 is provided on the hollow connecting rod 2, and the assembly process hole 201 is located on the side away from the palace lifting cup body 1 and is connected to the receiving groove 12; during assembly, first connect the traction rope 15 to one end of the picking bag 11, and the traction rope 15 passes through the receiving groove 12 from the open end and then passes out from the assembly process hole 201. Specifically, 2 to 3 traction ropes 15 are used. After passing through, all the traction ropes 15 are pulled at the same time to embed the picking bag 11 into the receiving groove 12.

[0049] like Figure 6-7 As shown, in another embodiment, a side-opening process opening 203 is provided on the outer ring of the uterine lifting cup body 1 and the hollow connecting rod 2. The side-opening process opening 203 extends from one open end of the uterine lifting cup body 1 to the bottom of the receiving groove 12. The receiving groove 12 is connected to the outside through the side-opening process opening 203. During assembly, one end of the retrieval bag 11 is first inserted into the open end of the receiving groove 12, and then the edge of one side of the inserted end is partially pulled out from the side-opening process opening 203 of the outer ring. The exposed edge is pulled to put the retrieval bag 11 on the inner ring from top to bottom. During this operation, a pull line can also be bonded to the edge of the retrieval bag, and the pull line position is aligned with the side-opening process opening 203 when the bag is first inserted. Specifically, the width of the side-opening process opening 203 is set to 1mm to 3mm, which is convenient for pulling the edge and has no effect on the operation.

[0050] A tumor-free operation method is performed using the above-mentioned tumor-free uterine manipulator with an embedded retrieval bag, comprising the following steps:

[0051] Step 1: Preparation: Use the vaginal measuring device 14 to measure and dilate the vagina, and determine the size of the uterine cup based on the measurement results. Specifically, the opening diameter of the vaginal measuring device 14 is set to three specifications: 3cm, 3.5cm, and 4.5cm, to suit different patients.

[0052] Step 2: Insert the uterine cup into the vagina and cover the cervix. First, place the guide rod 9 into the uterine cavity, then rotate the spiral head of the operating rod 8 into the cervix. Then, insert the uterine cup into the vagina so that the inner wall of the uterine cup body 1 covers the cervix and the outer wall supports the vaginal vault.

[0053] Then screw the second screw 7 into the threaded hole in the connecting hole column 4, with the working end abutting against the side wall of the operating rod 8 to fix the operating rod 8; screw the first screw 6 into the positioning hole 10 to fix the guide rod 9;

[0054] Step 3: Laparoscopically incise the vaginal wall to expose the upper edge of the uterine cup and the cat earring hook 5;

[0055] Step 4: Using laparoscopic forceps to assist, clamp the cat earring hook 5 to separate it from the uterine lifting cup body 1, and continue to pull it toward the patient's head until the retrieval bag 11 completely wraps the uterus and its bilateral appendages, then ligate and seal the retrieval bag 11 to complete the locking operation; note that during the ligation operation, the cat earring hook 5 should be completely inserted into the interior of the retrieval bag;

[0056] Step 5: Remove all instruments, first remove the uterine cup, then remove the joystick 8, and finally remove the guide rod 9;

[0057] Step 6: After all the instruments are withdrawn, the specimen is taken out by pulling the sealed bag 11 through the vagina or umbilicus.

[0058] Through the above operations, the hysterectomy is successfully and safely completed using the tumor-free uterine manipulator with an embedded retrieval bag of the present invention.

[0059] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0060] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by persons skilled in the art should fall within the scope of protection defined by the claims of the present invention.

Claims

1. A tumor-free uterine manipulator with an embedded retrieval bag, characterized by: The invention comprises a lifting cup, an operating rod (8), a guide rod (9) and a taking bag (11), wherein the lifting cup comprises a lifting cup body (1), a hollow connecting rod (2) and a handle (3), wherein the non-working side of the lifting cup body (1) is connected to the handle (3) as a whole through the hollow connecting rod (2), the hollow connecting rod (2) and the lifting cup body (1) are coaxially arranged, and the lifting cup is provided with a penetrating center hole along the axial direction; the operating rod (8) is embedded in the center hole, the guide rod (9) is connected to the inner hole of the operating rod (8), and the taking bag (11) is hung on the edge of the lifting cup body (1).

2. The tumor-free uterine manipulator with an embedded retrieval bag according to claim 1, characterized in that: The uterine lifting cup body (1) and the hollow connecting rod (2) are both configured as a sleeve structure, with a hollow receiving groove (12) formed between the inner ring and the outer ring. The taking bag (11) is embedded in the receiving groove (12) and connected to the outer ring edge of the uterine lifting cup body (1) via a cat earring hook (5).

3. The tumor-free uterine manipulator with an embedded retrieval bag according to claim 2, characterized in that: A connecting hole column (4) is provided on one side of the handle (3), and a second screw (7) passes through the connecting hole column (4) to fasten the operating rod (8) in the center hole; a positioning hole (10) is provided at the bottom of the operating rod (8), and a first screw (6) is provided in the positioning hole (10), and the first screw (6) positions the guide rod (9) in the inner hole of the operating rod (8).

4. The tumor-free uterine manipulator with an embedded retrieval bag according to claim 3, characterized in that: The working end of the operating rod (8) is configured as a screw head.

5. The tumor-free uterine manipulator with an embedded retrieval bag according to claim 2, characterized in that: A plurality of side pockets are provided inside the taking bag (11).

6. The tumor-free uterine manipulator with an embedded retrieval bag according to claim 2, characterized in that: One end of the cat earring hook (5) is embedded in the taking bag (11), and the other end is hung on the top of the palace cup body (1); the shape of the cat earring hook (5) is set to be an oval ring and is smooth without sharp corners, and the bending angle is set to 90°-110°.

7. The tumor-free uterine manipulator with an embedded retrieval bag according to claim 1, characterized in that: The material of the uterine lifting cup is medical plastic, the material of the retrieval bag (11) is transparent medical plastic, and the material of the guide rod (9) and the operating rod (8) is medical plastic or stainless steel.

8. The tumor-free uterine manipulator with an embedded retrieval bag according to claim 2, characterized in that: The connection between the uterine lifting cup body (1) and the hollow connecting rod (2) is set to a chamfer (202) or a right angle, and the hollow connecting rod (2) is provided with an assembly process hole (201), and the assembly process hole (201) is located on a side away from the uterine lifting cup body (1) and is connected to the accommodating groove (12).

9. The tumor-free uterine manipulator with an embedded retrieval bag according to claim 2, characterized in that: A side-opening process opening (203) is provided on the outer ring of the uterine lifting cup body (1) and the hollow connecting rod (2), and the side-opening process opening (203) extends from one open end of the uterine lifting cup body (1) to the bottom of the accommodating groove (12), and the accommodating groove (12) is connected to the outside through the side-opening process opening (203).

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