Rotary cutting and uterus lifting integrated device
By designing a rotary cutting and uterine lifting device, using a micro motor to drive a rotary knife seat to perform rotary cutting on the uterus, the problem of too long uterine removal time is solved, and the surgical efficiency is improved and the surgical process is simplified.
Patent Information
- Application Number
- CN202510210315.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-04-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In gynecological laparoscopic surgery, when the uterus is large, the uterus will be removed for too long after the uterus is removed, which seriously affects the efficiency of the surgery.
A rotary cutting and uterine lifting device is designed, including a guide rod, handle tube, uterine lifting cup, guide head and rotary knife holder. The rotary knife holder is driven to rotate at high speed through a micro motor, which drives the cutting knife to rotate the uterus for easy removal.
This device not only can quickly lift the uterus, but also can automatically perform rotational cutting of the uterus, significantly saving surgical time, reducing the number of devices required during the operation, and providing inflation and lighting functions to improve the efficiency and safety of the operation.
Smart Images

Figure CN119791803A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of medical devices, and in particular relates to an integrated rotary uterine excision and lifting device. Background Art
[0002] During gynecological laparoscopic surgery, after the uterus is removed, the removed uterus needs to be taken out from the vagina. At present, if the uterus is large, it takes a long time to remove the removed uterus, usually tens of minutes. In some surgeries, the time for removing the uterus alone is longer than the time for the entire hysterectomy, which seriously affects the efficiency of the operation. Summary of the invention
[0003] In order to solve the above technical problems, the technical solution adopted by the present invention is: an integrated rotary cutting and uterine lifting device, including a guide rod, a handle tube, a uterine lifting cup, and a guide head. One end of the handle tube is connected to the uterine lifting cup, the guide rod is sleeved in the handle tube, and the handle tube is connected to the handle, one end of the guide rod extends out of the handle tube and is connected to the guide head, and the other end of the guide rod is provided with an air pipe joint and a cable joint after extending out of the handle tube, an air supply pipe connected to the air pipe joint and a power supply cable connected to the cable joint are provided inside the guide rod, one end of the guide head close to the guide rod is set as a connecting part, and the other end is set as a guiding part, the guiding part is provided with an air outlet, a plurality of lamp beads are installed around the air outlet, a swivel cavity and an installation cavity are provided inside the connecting part, a micro motor is installed in the installation cavity, and the swivel A rotating shaft is provided in the cavity, and the micro motor drives the rotating shaft to rotate around the central axis of the guide rod. First magnets are respectively installed on both sides of the rotating shaft, and a rotating knife seat is rotatably installed on the connecting part. The rotating knife seat is coaxially arranged with the guide rod. A plurality of second magnets are installed around the rotating knife seat, and the second magnets and the first magnets generate magnetic attraction. A plurality of tool mounting grooves are provided on the rotating knife seat, and the tool mounting grooves are respectively vertically pointed to the central axis of the rotating knife seat. A tension spring and a cutting knife are installed inside the tool mounting groove, one end of the tension spring is fixedly connected to the rotating knife seat, and the other end is fixedly connected to the cutting knife. Protective plates are respectively provided on both sides of the rotating knife seat, and the protective plates are fixedly connected to the connecting part. The air outlet is connected to the air supply pipe, and the lamp beads and the micro motor are respectively connected to the power supply cable and powered by the power supply cable.
[0004] As a preferred embodiment of the above technical solution, the connecting part is provided with a plug tube for inserting the guide rod, and an air circuit and an electric circuit are provided in the guide head. The air circuit is connected to the air supply pipe inside the guide rod through an air pipe plug joint, and the electric circuit is connected to the power supply cable inside the guide rod through an electric plug.
[0005] As a preferred embodiment of the above technical solution, a plurality of positioning grooves are provided on the inner wall of the plug-in tube, and a plurality of positioning blocks are provided on the guide rod located inside the plug-in tube, the positioning blocks correspond to the positioning grooves one by one, and the positioning blocks are located in the corresponding positioning grooves.
[0006] As a preferred embodiment of the above technical solution, the uterine lifting cup is connected to the handle tube via a locking nut.
[0007] As a preferred embodiment of the above technical solution, the guide head is provided with a spiral portion, the spiral portion is located between the connecting portion and the guide portion, a spiral manipulating head is provided on the spiral portion, and the outer diameter of the manipulating head gradually increases.
[0008] As a preferred embodiment of the above technical solution, smooth strips are respectively provided on both sides of the cutting knife, and smooth grooves for the smooth strips to extend into are respectively provided on both sides of the tool mounting groove.
[0009] As a preferred embodiment of the above technical solution, a limiting portion is provided at one end of the flow groove close to the notch of the tool mounting groove, and a limiting block is provided at one end of the flow strip close to the tension spring.
[0010] The beneficial effects of the present invention are as follows: the integrated rotary cutting and uterine lifting device of the present invention can be used to lift the uterus to facilitate surgical operations, and can also be used to rotary cut the cut uterus and then remove it from the vagina, greatly saving the overall surgical time. During the operation, the air outlet can be used for inflation, and the light source can be used for internal lighting, which facilitates the rapid and smooth operation of the procedure. The cutting mechanism of the rotary cutting uterus automatically extends out for cutting when started, and can be automatically retracted when not started, ensuring that the cervix is not damaged during the lifting of the uterus. Compared with traditional uterine lifting devices, the integrated rotary cutting and uterine lifting device of the present invention has more functions and reduces the number of instruments that need to be operated during the operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the present invention;
[0012] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;
[0013] Figure 3 It is a structural schematic diagram of a rotary tool holder. DETAILED DESCRIPTION
[0014] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0015] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0017] like Figure 1-3As shown, the integrated rotary cutting and uterine lifting device includes a guide rod 1, a handle tube 2, a uterine lifting cup 3, and a guide head. One end of the handle tube 2 is connected to the uterine lifting cup 3, the guide rod 1 is sleeved in the handle tube 2, and the handle tube 2 is connected to a handle. One end of the guide rod 1 extends out of the handle tube 2 and is connected to the guide head. The other end of the guide rod 1 is provided with an air pipe joint 4 and a cable joint 5 after extending out of the handle tube 2. An air supply pipe 6 connected to the air pipe joint 4 and a power supply cable 7 connected to the cable joint 5 are provided inside the guide rod 1. One end of the guide head close to the guide rod 1 is set as a connecting part 8, and the other end is set as a guiding part 9. The guiding part 9 is provided with an air outlet 10, and a plurality of lamp beads 11 are installed around the air outlet 10. A rotating cavity 12 and an installation cavity 13 are provided inside the connecting part 8. A micro motor 14 is installed in the installation cavity 13, and a rotating shaft 15 is provided in the rotating cavity 12. The micro motor 14 drives the rotating shaft 1 5 rotates around the central axis of the guide rod 1, first magnets 16 are respectively installed on both sides of the rotating shaft 15, a rotating knife seat 17 is rotatably installed on the connecting portion 8, the rotating knife seat 17 is coaxially arranged with the guide rod 1, a plurality of second magnets 18 are installed around the rotating knife seat 17, the second magnets 18 and the first magnets 16 generate magnetic attraction, a plurality of tool installation grooves 19 are provided on the rotating knife seat 17, the tool installation grooves 19 are respectively vertically pointed to the central axis of the rotating knife seat 17, a tension spring 20 and a cutting knife 21 are installed inside the tool installation groove 19, one end of the tension spring 20 is fixedly connected to the rotating knife seat 17, and the other end is fixedly connected to the cutting knife 21, a protective plate 22 is respectively provided on both sides of the rotating knife seat 17, and the protective plate 22 is fixedly connected to the connecting portion 8, the air outlet 10 is connected to the air supply pipe 6, the lamp bead 11 and the micro motor 14 are respectively connected to the power supply cable 7 and powered by the power supply cable 7. The micro motor 14 is started, and the magnetic attraction between the second magnet 18 and the first magnet 16 is used to drive the rotating knife seat 17 to rotate. The rotating knife seat 17 rotates at high speed, driving the cutting knife 21 to rotate. Under the action of centrifugal force, the cutting knife 21 overcomes the tension of the tension spring 20 and extends out of the protective groove formed between the two protective plates 22 to cut the removed uterus, making it convenient to remove the cut uterus. Gas is connected through the tracheal connector 4, and the gas is ejected from the gas outlet 10 to achieve inflation at the surgical site, facilitating surgical operations. The lamp bead 11 is lit by a switch, and the light emitted by the lamp bead 11 is used to illuminate the surgical site. The guide rod 1 can be used to guide the instrument to the surgical site, and the uterus lifting cup 3 can be used to lift the uterus.
[0018] Furthermore, the connecting portion 8 is provided with a plug tube 23 for inserting the guide rod 1, and an air circuit 24 and an electric circuit 25 are provided in the guide head. The air circuit 24 is connected to the air supply pipe 6 inside the guide rod 1 through an air pipe plug connector 26, and the electric circuit 25 is connected to the power supply cable 7 inside the guide rod 1 through an electric plug 27. In this way, the guide head can be disassembled for maintenance.
[0019] Furthermore, a plurality of positioning grooves 28 are provided on the inner wall of the plug tube 23, and a plurality of positioning blocks 29 are provided on the guide rod 1 located inside the plug tube 23, and the positioning blocks 29 correspond to the positioning grooves 28 one by one, and the positioning blocks 29 are located in the corresponding positioning grooves 28. The cooperation between the positioning blocks 29 and the positioning grooves 28 can not only prevent the guide rod 1 and the guide head from being separated, but also position the guide head, so that when the guide rod 1 is plugged into the plug tube 23, the air path 24 can be accurately connected to the air supply pipe 6 inside the guide rod 1 through the air pipe plug connector 26, and the circuit 25 can be accurately connected to the power supply cable 7 inside the guide rod 1 through the electric plug 27.
[0020] Furthermore, the uterine cup 3 is connected to the handle tube 2 via a locking nut 30. The uterine cup 3 can be disassembled and replaced. A threaded portion that matches the locking nut 30 is provided on the uterine cup 3. The threaded portion is composed of a plurality of spring pieces that are spaced apart from each other and arranged in a circular pattern in sequence. By rotating the locking nut 30, the threaded portion contracts and presses the handle tube 2, thereby being fixed on the handle tube 2.
[0021] Furthermore, the guide head is provided with a spiral portion 31, the spiral portion 31 is located between the connecting portion 8 and the guide portion 9, and a spiral manipulating head 32 is provided on the spiral portion 31, and the outer diameter of the manipulating head 32 gradually increases. The spiral manipulating head 32 facilitates guiding the entire instrument.
[0022] Furthermore, the two sides of the cutting blade 21 are respectively provided with smooth strips 33, and the two sides of the tool installation groove 19 are respectively provided with smooth grooves 34 for the smooth strips 33 to extend into. The cooperation of the smooth strips 33 and the smooth grooves 34 makes the operation of the cutting blade 21 stable.
[0023] Furthermore, a limiting portion 35 is provided at one end of the smooth groove 34 near the notch of the tool installation groove 19, and a limiting block 36 is provided at one end of the smooth strip 33 near the tension spring 20. The cooperation between the limiting block 36 and the limiting portion 35 prevents the cutting knife 21 from being separated from the tool installation groove 19, so that the rotation diameter formed by the cutting knife 21 extending out of the tool installation groove 19 due to the centrifugal force is stable, which is convenient for the operator to operate the cutting knife 21 for precise cutting.
[0024] It is worth mentioning that the technical features such as micro motors and lamp beads involved in the patent application of this invention should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected according to the conventional methods in the field, and should not be regarded as the inventive point of this patent. This patent will not be further elaborated.
[0025] The preferred specific embodiments of the present invention are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. A rotary cutting and uterine lifting device, comprising a guide rod, a handle tube, a uterine lifting cup, and a guide head, one end of the handle tube is connected to the uterine lifting cup, the guide rod is sleeved in the handle tube, and the handle tube is connected to a handle, characterized in that: One end of the guide rod extends out of the handle tube and is connected to the guide head, and the other end of the guide rod is provided with an air pipe joint and a cable joint after extending out of the handle tube. An air supply pipe connected to the air pipe joint and a power supply cable connected to the cable joint are provided inside the guide rod. One end of the guide head close to the guide rod is provided as a connecting part, and the other end is provided as a guiding part. The guiding part is provided with an air outlet, and a plurality of lamp beads are installed around the air outlet. A rotating cavity and an installing cavity are provided inside the connecting part, and a micro motor is installed in the installing cavity. A rotating shaft is provided in the rotating cavity. The micro motor drives the rotating shaft to rotate around the central axis of the guide rod. First magnets are respectively installed on both sides of the rotating shaft. A rotating knife seat is rotatably installed on the connecting part. The rotating knife seat is coaxially arranged with the guide rod. A plurality of second magnets are installed around the rotating knife seat. The second magnets generate magnetic attraction with the first magnets. The tool holder is provided with a plurality of tool mounting grooves, which point vertically to the central axis of the rotating tool holder respectively. A tension spring and a cutting knife are installed inside the tool mounting groove. One end of the tension spring is fixedly connected to the rotating tool holder, and the other end is fixedly connected to the cutting knife. Protective plates are respectively provided on both sides of the rotating tool holder, and the protective plates are fixedly connected to the connecting part. The air outlet is connected to the air supply pipe, and the lamp beads and the micro motor are respectively connected to the power supply cable and powered by the power supply cable. The connecting part is provided with a plug tube for the guide rod to be inserted, and an air path and an electric circuit are provided in the guide head. The air path is connected to the air supply pipe inside the guide rod through an air pipe plug joint, and the electric circuit is connected to the power supply cable inside the guide rod through an electric plug. The guide head is provided with a spiral part, and the spiral part is located between the connecting part and the guide part. A spiral operating head is provided on the spiral part, and the outer diameter of the operating head gradually increases.
2. The integrated rotary cutting and uterine lifting device according to claim 1, characterized in that: The inner wall of the plug tube is provided with a plurality of positioning grooves, and the guide rod is provided with a plurality of positioning blocks located inside the plug tube. The positioning blocks correspond to the positioning grooves one by one, and the positioning blocks are located in the corresponding positioning grooves.
3. The integrated rotary cutting and uterine lifting device according to claim 1, characterized in that: The uterine lifting cup is connected to the handle tube via a locking nut.
4. The integrated rotary cutting and uterine lifting device according to claim 1, characterized in that: Fluid strips are respectively arranged on both sides of the cutting knife, and fluid grooves for the fluid strips to extend into are respectively arranged on both sides of the tool installation groove.
5. The integrated rotary cutting and uterine lifting device according to claim 4, characterized in that: A limiting portion is provided at one end of the smooth groove close to the notch of the tool installation groove, and a limiting block is provided at one end of the smooth strip close to the tension spring.