Uterine Lifting Device

Abstract

The present invention discloses a uterine lifting device, comprising: a uterine lifting rod, a balloon disposed at the proximal and distal ends of the uterine lifting rod, and an operating handle disposed at the proximal end of the uterine lifting rod; and a uterine lifting cup and a cutting assembly are disposed on the uterine lifting rod and between the balloon and the operating handle; wherein the cutting assembly is connected to the operating handle so that the operating handle can stimulate the cutting assembly; and the uterine lifting cup is located on a side of the cutting assembly away from the operating handle. The uterine lifting device of the present invention can improve its stability in use.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a uterine lifting device. Background Art

[0002] The uterine manipulator is an instrument used for total or subtotal hysterectomy. It consists of a central guide rod, a cervical fixator, a vault cup, etc. The uterine manipulator is used for laparoscopically assisted vaginal hysterectomy and laparoscopic total hysterectomy, laparoscopic fallopian tube dyeing and fluid perfusion examination, and various laparoscopic surgeries to help locate the uterus. The cup-type uterine manipulator is a type of uterine manipulator, but the existing cup-type uterine manipulator has poor stability, which makes it very cumbersome for doctors to use and wastes a lot of time, thereby reducing the practicality of the cup-type uterine manipulator. In addition, for the tissue cutting step during the use of the uterine manipulator, the speed and efficiency of the cutting operation also directly affects the efficiency of the overall operation. Summary of the invention

[0003] The purpose of the present invention is to provide a uterine lifting device to solve the technical problem of improving the stability of the uterine lifting device during use.

[0004] The uterine lifting device of the present invention is achieved in this way:

[0005] A uterine lifting device comprises: a uterine lifting rod, a balloon arranged at the proximal and distal ends of the uterine lifting rod, and an operating handle arranged at the proximal end of the uterine lifting rod; and

[0006] A uterine lifting cup and a cutting assembly are also provided on the uterine lifting rod and between the balloon and the operating handle; wherein

[0007] The cutting assembly is connected to the operating handle so that the operating handle can activate the cutting assembly;

[0008] The uterine lifting cup is located on a side of the cutting assembly away from the operating handle.

[0009] In a preferred embodiment of the present invention, the operating handle includes a fixed handle sleeved on the uterine lifting rod, and a movable handle rotatably connected to the fixed handle through a rotating pin; wherein

[0010] The fixing handle has a hollow accommodating cavity; and

[0011] The uterine lifting rod passes through the accommodating cavity.

[0012] In a preferred embodiment of the present invention, a pair of concave grooves are provided on the outer side wall of the portion of the uterine lifting rod embedded in the accommodating cavity; and

[0013] A lug suitable for being embedded in the concave groove is provided on the inner cavity wall of the accommodating cavity.

[0014] In a preferred embodiment of the present invention, the cutting assembly includes a sleeve sleeved on the uterine lifting rod and inserted into the accommodating cavity, a connecting tube sleeved on the uterine lifting rod and matched with the sleeve, and an annular cutting knife matched with one end of the sleeve away from the connecting tube; wherein

[0015] The connecting tube is also built into the accommodating cavity; the sleeve and the connecting tube can be synchronously moved on the uterine lifting rod along the axial direction of the uterine lifting rod; and

[0016] A thrust portion is also integrally provided at the end outside the connecting tube and away from the sleeve; the thrust portion is suitable for abutting against the portion of the movable handle inserted into the accommodating cavity.

[0017] In a preferred embodiment of the present invention, a spring body is sleeved outside the connecting tube;

[0018] One end of the spring body abuts against an end of the thrust portion away from the movable handle; and

[0019] An annular stop ring is also provided on the cavity wall of the accommodating cavity, which is suitable for abutting against the other end of the spring body.

[0020] In a preferred embodiment of the present invention, the annular cutting knife comprises a bowl-shaped receiving body, and an annular knife body provided on the edge of the port of the bowl-shaped receiving body facing the uterine cup; wherein

[0021] The bowl-shaped receiving body has a receiving groove which is concave relative to the annular cutter head.

[0022] In a preferred embodiment of the present invention, the uterine lifting cup includes a cup body with a cup mouth facing away from the annular cutting knife, and a knife washer ring arranged at the end of the cup body facing the annular cutting knife and suitable for abutting against the annular knife body.

[0023] In a preferred embodiment of the present invention, the uterine lifting rod adopts a hollow rod structure;

[0024] A through tube which is axially hollow and has openings at both ends is also passed through the uterine lifting rod; and

[0025] The distal end of the uterine erection rod is designed to be in an open shape.

[0026] In a preferred embodiment of the present invention, a flushing pipe penetrating the through-tube is embedded in the through-tube;

[0027] The water outlet of the flushing pipe is embedded in the through pipe, so that the water flushed out of the flushing pipe can be discharged from the open end of the through pipe; and

[0028] A water inlet pipe is also connected to one end of the water inlet of the flushing pipe, and a water inlet valve is arranged on the water inlet pipe.

[0029] In a preferred embodiment of the present invention, an inflation tube suitable for inflating the balloon also runs through the through tube;

[0030] The air outlet of the inflation tube passes through the side wall of the through tube and the side wall of the uterine lifting rod and is connected to the balloon; and

[0031] An air inlet pipe is connected to the air inlet of the inflation pipe, and an air injection valve is also arranged on the air inlet pipe.

[0032] By adopting the above technical scheme, the present invention has the following beneficial effects: in the uterine lifting device of the present invention, the uterine lifting cup is fixed on the uterine lifting rod, and the uterine lifting rod is fixedly connected to the fixed handle, so that when medical staff operate the uterine lifting device, they can stably operate the uterine lifting rod by holding the fixed handle, thereby maintaining the stability of the uterine lifting cup during use.

[0033] In addition, the uterine lifting device of the present invention realizes the cutting of tissues by moving the cutting knife assembly along the axial direction of the uterine lifting rod. During the cutting process, the annular knife body cooperates with the knife pad ring, so that the knife pad ring plays the role of an anvil in the tissue cutting process, making the tissue cutting more thorough and improving the cutting efficiency. Compared with the circumferential cutting, this axial cutting mode causes less damage to the tissue and can make the cutting marks smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of the uterine lifting device of the present invention;

[0035] Figure 2 It is a schematic structural diagram of the operating handle of the uterine lifting device of the present invention;

[0036] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part B;

[0037] Figure 4 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0038] Figure 5 It is a schematic diagram of the partial structure of the uterine lifting device of the present invention.

[0039] In the figure: a uterine lifting rod 1, a balloon 2, a fixed handle 3, a movable handle 5, a rotating pin 6, a containing cavity 7, a recessed groove 8, a lug 9, a sleeve 11, a connecting tube 12, a spring body 13, a thrust portion 14, a stop ring 15, a bowl-shaped receiving body 16, an annular knife body 17, a cup body 18, a knife washer 19, a through pipe 20, a flushing pipe 21, an inflation pipe 22, a water inlet pipe 23, a water inlet valve 25, an air inlet pipe 27, an air injection valve 28, and a separator 29. DETAILED DESCRIPTION

[0040] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0041] See also Figures 1 to 5 As shown, this embodiment provides a uterine lifting device, including: a uterine lifting rod 1, a balloon 2 arranged at the proximal and distal ends of the uterine lifting rod 1, and an operating handle arranged at the proximal end of the uterine lifting rod 1; and a uterine lifting cup and a cutting assembly are also provided on the uterine lifting rod 1 and between the balloon 2 and the operating handle; wherein the cutting assembly is connected to the operating handle so that the operating handle can stimulate the cutting assembly; and the uterine lifting cup is located on the side of the cutting assembly away from the operating handle.

[0042] The operating handle includes a fixed handle 3 sleeved on the uterine erection rod 1, and a movable handle 5 rotatably connected to the fixed handle 3 through a rotating pin 6; wherein the fixed handle 3 has a hollow accommodating cavity 7; and the uterine erection rod 1 passes through the accommodating cavity 7. It should be noted that, considering the convenience of assembly, the fixed handle 3 of this embodiment includes two half structures suitable for assembly to form the fixed handle 3 together.

[0043] A pair of concave grooves 8 are provided on the outer wall of the part of the uterine erection rod 1 embedded in the accommodating cavity 7, and lugs 9 suitable for being embedded in the concave grooves 8 are provided on the inner wall of the accommodating cavity 7. That is to say, the matching and fixing between the fixed handle and the uterine erection rod 1 are realized by the cooperation between the concave grooves 8 and the lugs 9.

[0044] The cutting assembly includes a sleeve 11 which is sleeved on the uterine lifting rod 1 and inserted into the accommodating cavity 7, a connecting tube 12 which is sleeved on the uterine lifting rod 1 and matched with the sleeve 11, and an annular cutting knife which is matched with one end of the sleeve 11 away from the connecting tube 12; wherein the connecting tube 12 is also built into the accommodating cavity 7; the sleeve 11 and the connecting tube 12 can be synchronously moved on the uterine lifting rod 1 along the axial direction of the uterine lifting rod 1; and a thrust portion 14 is also integrally provided on the end of the connecting tube 12 away from the sleeve 11; the thrust portion 14 is suitable for abutting against the part of the movable handle 5 inserted into the accommodating cavity 7.

[0045] A spring body 13 is sleeved outside the connecting tube 12; one end of the spring body 13 abuts against the end of the stopper 14 away from the movable handle 5; and a ring-shaped stopper ring 15 suitable for abutting against the other end of the spring body 13 is also provided on the wall of the accommodating cavity 7. That is, the spring body 13 is limited between the stopper ring 15 and the stopper 14. When the movable handle is pinched by hand, the movable handle rotates around the rotating pin 6, so that the part of the movable handle abutting against the stopper 14 can generate a thrust for the stopper 14, so that the stopper 14 can move along the uterine lifting rod 1 under the action of the thrust. Since the stopper 14 is fixedly connected to the connecting tube 12, that is, when the stopper 14 is pushed by the movable handle, the connecting tube 12 can be driven to move synchronously on the uterine lifting rod 1, so that when the connecting tube 12 drives the sleeve 11 to move synchronously, the annular cutting knife arranged at one end of the sleeve 11 can move toward the side of the uterine lifting cup to cut the tissue.

[0046] The annular cutting knife comprises a bowl-shaped receiving body 16 and an annular knife body 17 provided at the edge of the end of the bowl-shaped receiving body 16 facing the uterine cup; wherein the bowl-shaped receiving body 16 has a receiving groove 24 which is concave relative to the annular knife head.

[0047] The uterine lifting cup includes a cup body 18 with the cup mouth facing away from the annular cutting knife, and a knife pad 19 provided at the end of the cup body 18 facing the annular cutting knife and suitable for abutting against the annular cutting knife body 17. The knife pad 19 here is suitable for the annular cutting knife body 17 to be inserted therein. Specifically, the annular cutting knife body 17 is inserted into the knife pad 19 after cutting the tissue. In an optional implementation, the knife pad 19 is provided with an annular knife groove suitable for the annular cutting knife to be inserted therein. That is, the knife pad 19 here acts as a cutting board, so that the tissue cutting is more thorough and the cutting efficiency can be improved at the same time. For the uterine lifting cup of this embodiment, it is fixed on the uterine lifting rod 1, and the uterine lifting rod 1 is fixedly connected with the fixed handle, so that the medical staff can stably operate the uterine lifting rod 1 by holding the fixed handle during the operation of the uterine lifting device, thereby maintaining the stability of the uterine lifting cup during use.

[0048] It should be noted that the uterine erection rod 1 adopts a hollow rod structure; a through pipe 20 which is axially hollow and open at both ends is also passed through the uterine erection rod 1; and the distal end of the uterine erection rod 1 is set to be open. A flushing pipe 21 is embedded in the through pipe 20 and passes through the through pipe 20; the water outlet of the flushing pipe 21 is embedded in the through pipe 20 so that the water flushed out of the flushing pipe 21 can be discharged from the open end of the through pipe 20; and a water inlet pipe 23 is also connected to one end of the water inlet of the flushing pipe 21, and a water inlet valve 25 is arranged on the water inlet pipe 23.

[0049] The through tube 20 also has an air-filling tube 22 for inflating the balloon 2; the air outlet of the air-filling tube 22 passes through the side wall of the through tube 20 and the side wall of the uterine-lifting rod 1 and is connected to the balloon 2; and the air inlet of the air-filling tube 22 is connected with an air inlet tube 27, and the air inlet tube 27 is also provided with an air injection valve 2828. It should be noted that in order to avoid air leakage at the joints between the air outlet of the air-filling tube 22 and the side walls of the through tube 20 and the side walls of the uterine-lifting rod 1, the joints between the air-filling tube 22 and the side walls of the through tube 20 and the side walls of the uterine-lifting rod 1 need to be sealed.

[0050] Further considering the stability of the air-filling tube 22 and the flushing tube 21 in the through-tube 20 during use, since the air-filling tube 22 and the flushing tube 21 are both built into the through-tube 20, in an optional implementation case, the sum of the outer diameter of the flushing tube 21 and the outer diameter of the air-filling tube 22 is equal to the inner diameter of the through-tube 20, so that the problem of the flushing tube 21 and the air-filling tube 22 shaking in the through-tube 20 can be avoided from the perspective of the inner diameter of the through-tube 20. Based on this structure, a separator 29 for separating and fixing the air-filling tube 22 and the flushing tube 21 can also be provided at the inlet of the through-tube 20, and two jacks suitable for inserting the air-filling tube 22 and the flushing tube 21 are provided on the separation tank. In this way, the flushing tube 21 and the air-filling tube 22 are independent of each other during use and will not affect each other.

[0051] That is to say, the cooperation between the through tube 20 and the uterine lifting rod 1 realizes the effect of water flushing and air injection to expand the balloon 2 of the uterine lifting device of this embodiment. Compared with the uterine lifting device generally used in the prior art, the uterine lifting device of this embodiment integrates the functions of flushing and gas injection, so that during the operation, there is no need to repeatedly switch multiple surgical instruments to achieve the surgical purposes of flushing, gas injection and cutting. Only a single uterine lifting device of this embodiment is needed to complete the above three surgical operation processes. The overall process greatly improves the convenience and efficiency of use by medical staff, and also improves the overall surgical efficiency.

[0052] The specific implementation principle of the uterine lifting device of this embodiment is as follows:

[0053] First, insert the uterine lifting rod 1 at the front end of the uterine lifting device into the uterus, then inject water into the water injection valve at the rear end to flush the uterus through the flushing tube 21, and after flushing, inject air through the air injection valve 2828 to expand the front end balloon 2 and support the uterus. Then insert the uterine lifting cup at the rear end into the vagina, so that the uterine lifting cup reaches the vaginal vault and separates the uterus from the vagina.

[0054] After completing the above steps, through laparoscope, tie the vagina below the vaginal vault to the uterine lifting cup with a cable tie, and then tie the part to be cut in the bowl-shaped receiving body 16 of the annular cutting knife with sutures. Squeeze the movable handle to move the cutting assembly along the axial direction of the uterine lifting rod 1, so that the annular blade body 17 of the annular cutting knife can cut the tissue, and insert the knife pad ring 19 after the annular blade body 17 cuts the tissue. The knife pad ring 19 here acts as a cutting board, making the tissue cutting more thorough and improving the cutting efficiency.

[0055] Then, the air in the balloon 2 is released through the air injection valve 2828, and the uterine manipulator and the cut tissue are pulled out of the vagina. Finally, the vagina is blocked and the incision at the end of the vagina is sutured to complete the operation.

[0056] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0057] In the description of the present invention, it is necessary to understand that the terms indicating 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 a limitation on the present invention.

[0058] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0059] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0060] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0061] In the present invention, unless otherwise clearly specified and limited, a first feature being above or below a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, a first feature being above, above, and above a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being below, below, and below a second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

Claims

1. A uterine lifting device, characterized in that: include: A uterine lifting rod, a balloon disposed at the distal end of the uterine lifting rod, and an operating handle disposed at the proximal end of the uterine lifting rod; as well as A uterine lifting cup and a cutting assembly are also provided on the uterine lifting rod and between the balloon and the operating handle; wherein the cutting assembly is connected to the operating handle so that the operating handle can stimulate the cutting assembly; The uterine lifting cup is located on a side of the cutting assembly away from the operating handle; The operating handle comprises a fixed handle sleeved on the uterine lifting rod, and a movable handle rotatably connected to the fixed handle through a rotating pin; wherein the fixed handle has a hollow accommodating cavity; and the uterine lifting rod passes through the accommodating cavity; The outer side wall of the part of the uterine lifting rod embedded in the accommodating cavity is provided with a pair of concave grooves; as well as A lug suitable for being embedded in the concave groove is provided on the inner wall of the accommodating cavity; The cutting assembly includes a sleeve that is sleeved on the uterine lifting rod and inserted into the accommodating cavity, a connecting tube that is sleeved on the uterine lifting rod and matched with the sleeve, and an annular cutting knife that is matched with one end of the sleeve away from the connecting tube; wherein the connecting tube is also built into the accommodating cavity; the sleeve and the connecting tube can be synchronously moved on the uterine lifting rod along the axial direction of the uterine lifting rod; and a thrust portion is also integrally provided on the end of the connecting tube that is outside the connecting tube and away from the sleeve; the thrust portion is suitable for abutting against the part of the movable handle inserted into the accommodating cavity.

2. The uterine lifting device according to claim 1, characterized in that: A spring body is also sleeved outside the connecting tube; One end of the spring body abuts against an end of the thrust portion away from the movable handle; and An annular stop ring is also provided on the cavity wall of the accommodating cavity, which is suitable for abutting against the other end of the spring body.

3. The uterine lifting device according to claim 1, characterized in that: The annular cutting knife comprises a bowl-shaped receiving body and an annular knife body provided at the edge of the end of the bowl-shaped receiving body facing the uterine cup; The bowl-shaped receiving body has a receiving groove which is concave relative to the annular cutter head.

4. The uterine lifting device according to claim 3, characterized in that: The palace-lifting cup comprises a cup body with a cup opening facing away from the annular cutting knife, and a knife washer ring arranged at the end of the cup body facing the annular cutting knife and suitable for abutting against the annular cutting knife body.

5. The uterine lifting device according to claim 1, characterized in that: The uterine lifting rod adopts a hollow rod structure; A through tube which is axially hollow and has openings at both ends is also passed through the uterine lifting rod; and The distal end of the uterine erection rod is designed to be in an open shape.

6. The uterine lifting device according to claim 5, characterized in that: The through pipe is embedded with a flushing pipe that passes through the through pipe; The water outlet of the flushing pipe is embedded in the through pipe, so that the water flushed out of the flushing pipe can be discharged from the open end of the through pipe; and A water inlet pipe is also connected to one end of the water inlet of the flushing pipe, and a water inlet valve is arranged on the water inlet pipe.

7. The uterine lifting device according to any one of claims 5 or 6, characterized in that: The through tube is also provided with an inflation tube suitable for inflating the balloon; The air outlet of the inflation tube passes through the side wall of the through tube and the side wall of the uterine lifting rod and is connected to the balloon; and An air inlet pipe is connected to the air inlet of the inflation pipe, and an air injection valve is also arranged on the air inlet pipe.

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