A surgical instrument

Abstract

The present application relates to a kind of surgical instruments, including booster device, limiting device, control device, flush suction pipeline, first fluid passage and second fluid passage, first fluid passage and control device are connected, second fluid passage is connected with control device through booster device, the flush suction pipeline is communicated with control device, control device includes valve core, valve core controls first fluid passage or second fluid passage and flush suction pipeline is communicated or cut off, the limiting device is connected with valve core, valve core drives limiting device and switches in locking position or release position, second fluid passage and flush suction pipeline cut off, limiting device is in locking position, booster device cannot be started.The surgical instrument of the present application can control the passage control between two fluid passages and flush suction pipeline by single control valve, it is convenient to operate;At the same time, it can avoid the damage caused by the misoperation of booster device;In addition, the integration of each component is high, effectively reduces space occupation.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a surgical instrument. Background Art

[0002] Surgical instruments are indispensable tools in surgical operations. They are used for diagnosis, treatment and surgical operations, such as anastomosis devices, irrigation and suction ablation electrode devices, etc. The irrigation and suction ablation electrode device uses two pipes to flush and suction the surgical site respectively. Existing devices usually use control valves to control the two fluids separately. For example, the patent with announcement number CN221830770U discloses a portable irrigation and suction ablation electrode. The handle is respectively fixed with an irrigation regulating valve and a suction regulating valve. The irrigation regulating valve and the suction regulating valve respectively control two sections of connecting pipes, and the two sections of connecting pipes are respectively connected to the irrigation regulating valve and the suction regulating valve. However, in the above scheme, two regulating valves are required to control the two fluids respectively. The two regulating valves correspond to two buttons, and the user needs to press them separately to control them, which is less convenient to use. In addition, during the irrigation process, when the irrigation pressure needs to be increased, a booster device is required. The manual booster device provided on the instrument is easily misoperated by the user, resulting in damage to the booster device. Summary of the Invention

[0003] In order to solve the problems of the prior art, the present invention provides a surgical instrument that can easily control the on-off of two fluid channels, is easy to operate, and has a pressurizing device that is not easily damaged.

[0004] The specific technical solution is as follows: A surgical instrument includes a booster device, a limit device, a control device, a flushing and suction pipe, a first fluid channel and a second fluid channel. The first fluid channel is connected to the control device, and the second fluid channel is connected to the control device via the booster device. The flushing and suction pipe is connected to the control device. The control device includes a valve core. The valve core controls the connection or disconnection of the first fluid channel or the second fluid channel with the flushing and suction pipe. The limit device is connected to the valve core. The valve core drives the limit device to switch between a locked position and a released position. When the second fluid channel and the flushing and suction pipe are disconnected, the limit device is in a locked position and the booster device cannot be started.

[0005] In some embodiments, the control device includes a valve body, a valve core is rotatably arranged in the valve body, a first channel and a second channel are provided in the valve core, the first fluid channel, the second fluid channel and the flushing and suction pipe are respectively connected to the interface on the valve body, and the valve core rotates to switch the connection or disconnection between the first and second channels and the interface.

[0006] In some embodiments, the valve core includes a flushing gear, a suction gear and a cut-off gear. When the valve core is in the flushing gear, the second fluid channel and the flushing and suction pipeline are connected through the first channel, the first fluid channel is cut off from the flushing and suction pipeline, and the limit device is in the release position; when the valve core is in the suction gear, the first fluid channel and the flushing and suction pipeline are connected through the second channel, and the second fluid channel is cut off from the flushing and suction pipeline; when the valve core is in the cut-off gear, the first and second fluid channels are not connected to the flushing and suction pipeline, and the limit device is in the locking position.

[0007] In some embodiments, the interface of the valve body includes a first interface, a second interface and a third interface. The first and second interfaces are connected to the first and second fluid channels respectively, the third interface is connected to the flushing and suction pipe, the two ends of the first channel correspond to the first and third interfaces, and the two ends of the second channel correspond to the second and third interfaces.

[0008] In some embodiments, a first strip hole is provided at one end of the first channel, and a second strip hole is provided at one end of the second channel. The first and second strip holes are arranged in parallel and correspond to the third interface respectively.

[0009] In some embodiments, the boosting device includes a button and a boosting valve connected to the button, and the limiting device includes a limiting member and a connecting rod. The connecting rod is pivotally connected to the main body of the surgical instrument and its two ends are respectively connected to the limiting member and the valve core. The valve core drives the limiting member to insert into or out of the moving path of the button through the connecting rod.

[0010] In some embodiments, the surgical instrument includes a handle and a body, the button is arranged on the handle, the control device is located at the connection between the handle and the body, and the limiting device is arranged above the button.

[0011] In some embodiments, the valve core is connected to an operating rod, the operating rod is arranged in a notch on the surface of the main body, and the valve core is arranged in a cylindrical hole of the valve body. When the operating rod is pushed, the valve core rotates relative to the valve body.

[0012] In some embodiments, the first fluid channel and the second fluid channel enter from the bottom of the handle, the first fluid channel is a suction channel, and the second fluid channel is a flushing channel.

[0013] In some embodiments, the second fluid channel includes a first conduit and a second conduit, the first conduit enters from the bottom of the handle and is connected to the boosting device, and the second conduit is respectively connected to the boosting device and the control device.

[0014] The technical effect of the present invention is as follows: A surgical instrument of the present invention can control the channel control between two fluid channels and the flushing and suction pipes through a single control valve, which is easy to operate; at the same time, it can avoid damage caused by accidental start-up of the boosting device; in addition, the components are highly integrated, effectively reducing space occupancy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 Schematic diagram of a surgical instrument according to an embodiment of the present invention.

[0017] Figure 2 This is a diagram of the internal structure of a surgical instrument according to an embodiment of the present invention.

[0018] Figure 3 Schematic diagram of a valve core according to an embodiment of the present invention.

[0019] Figure 4 Schematic diagram of the first channel and the second channel of an embodiment of the present invention.

[0020] Figure 5 4 is a cross-sectional view of a valve core according to an embodiment of the present invention.

[0021] Figure 6 Schematic diagram of a strip-shaped hole according to an embodiment of the present invention.

[0022] Figure 7 Schematic diagram of the first channel and the second channel of an embodiment of the present invention.

[0023] Figure 8 Schematic diagram of a valve body according to an embodiment of the present invention.

[0024] Figure 9 Schematic diagram of a limiting device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0028] The following describes the specific embodiments of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0029] like Figures 1 to 9As shown, a surgical instrument according to this embodiment includes a pressurizing device 1, a limiting device 2, a control device 3, an irrigation and suction conduit 4, a first fluid channel 5, and a second fluid channel 6. The first fluid channel 5 is connected to the control device 3, and the second fluid channel 6 is connected to the control device 3 via the pressurizing device 1. The irrigation and suction conduit 4 is in communication with the control device 3, and the control device 3 controls the connection or disconnection of the first and second fluid channels with the irrigation and suction conduit 4. The irrigation and suction conduit 4 is used for irrigation or suction, and can deliver irrigation fluid to clean tissue during surgery and remove tissue fluids such as blood. The first fluid channel 5 is in communication with an external suction pump, which provides suction power; the second fluid channel 6 is in communication with an irrigation fluid supply device, which provides irrigation fluid. The control device 3 includes a valve core 31, which controls the connection or disconnection of the first fluid channel 5 or the second fluid channel 6 with the irrigation and suction conduit 4. The limiting device 2 is connected to the valve core 31, which drives the limiting device 2 to switch between a locked position and a released position. When the second fluid channel 6 is disconnected from the irrigation and suction conduit 4, the limiting device 2 is in the locked position, and the pressurizing device 1 cannot be activated. In the above technical solution, the booster device 1 is used to increase the pressure of the flushing liquid during flushing, and the pressure is manually increased by pressing a button. The booster device in the prior art can be used, and the prior application of the applicant with application number 202422642963.3 can also be used. Since the internal pressure increases after the booster device 1 is started, when the second fluid channel 6 is cut off, the pressure has no outlet, which can easily cause internal damage. By setting the limit device 2, the booster device 1 cannot be started when the second fluid channel 6 is cut off, thereby avoiding the booster device 1 from being damaged due to the accidental start-up. The limit device 2 and the control device 3 are both linked to the valve core 31, which facilitates control. The user only needs to operate the valve core 31. Through the above technical solution, the channel control between the two fluid channels and the flushing and suction pipeline can be facilitated, and at the same time, the booster device can be avoided from being damaged due to the accidental start-up. The surgical instrument of this embodiment is an flushing and suction ablation electrode device.

[0030] In this embodiment, the control device 3 includes a valve body 32, with a valve core 31 rotatably disposed within the valve body 32. A first channel 10 and a second channel 20 are disposed within the valve core 31. The first and second fluid channels 5 and 6, as well as the flushing and suction pipe 4, are respectively connected to interfaces on the valve body 32. Rotation of the valve core 31 switches the connection between the first and second channels and the interfaces. Through the above-described technical solution, rotation of the valve core 31 can adjust the connection between the first and second channels of the valve core and the different interfaces, thereby achieving connection or disconnection between the first and second fluids and the flushing and suction pipe 4. In this embodiment, the first channel 10 and the second channel 20 are arranged in parallel.

[0031] In this embodiment, the valve core 31 includes a flushing gear, a suction gear, and a cut-off gear, and the gear positions can be marked on the main body 101 of the surgical instrument. When the valve core 31 is in the flushing gear, the second fluid channel 6 and the flushing and suction pipeline 4 are connected through the first channel 10, the first fluid channel 5 is cut off from the flushing and suction pipeline 4, and the limit device 2 is in the released position; when the valve core 31 is in the suction gear, the first fluid channel 5 and the flushing and suction pipeline 4 are connected through the second channel 20, and the second fluid channel 6 is cut off from the flushing and suction pipeline 4; when the valve core 31 is in the cut-off gear, neither the first nor the second fluid channels are connected to the flushing and suction pipeline, and the limit device 2 is in the locked position. Through the above technical solution, the valve core can be switched between different gears by rotation, facilitating the control of the fluid channels.

[0032] Furthermore, the valve body 32 has interfaces including a first interface 321, a second interface 322, and a third interface 323. The first and second interfaces are connected to the first and second fluid channels, respectively, while the third interface 323 is connected to the flushing and suction pipeline 4. The first channel 10's ends correspond to the first and third interfaces, while the second channel 20's ends correspond to the second and third interfaces. Through the above technical solution, rotation of the valve core 31 drives the first and second channels to rotate, enabling them to switch between different interfaces. When the valve core is in the flushing mode, the second channel 20 connects the second interface 322 and the third interface 323, allowing flushing fluid in the second fluid channel 6 to enter the flushing and suction pipeline 4 sequentially through the second interface 322, the second channel 20, and the third interface 323. When the valve core is in the suction mode, the first channel 10 connects the first interface 321 and the third interface 323, allowing tissue fluid to pass through the flushing and suction pipeline 4, through the third interface 323, the first channel 10, and the first interface 321, and into the first fluid channel 5, thereby withdrawing the tissue fluid. Through the above technical solution, the two fluid channels and the flushing and suction pipe 4 can be conveniently connected to the valve body through the interface. Only a third interface 323 needs to be set up to connect with one flushing and suction pipe 4, so that the first and second channels can share one flushing and suction pipe 4, reducing the number of pipes, avoiding the large number of pipes causing the pipes to be squeezed and bent inside the surgical instrument, affecting the fluid flow, and at the same time, reducing the volume of the surgical instrument.

[0033] Furthermore, a first strip hole 101 is provided at one end of the first channel 10, and a second strip hole 201 is provided at one end of the second channel 20. The first and second strip holes are arranged in parallel and correspond to the third interface 323 respectively. By setting two strip holes, the hole can be elongated so that it can overlap with the third interface 323 on the rotation path, so that the two strip holes can be connected to the third interface 323 respectively, and the other end of the first and second channels is a circular hole.

[0034] In this embodiment, the booster device 1 includes a button 11 and a booster valve 12 connected to the button 11. The limiter device 2 includes a limiter 21 and a connecting rod 22. The connecting rod 22 is pivotally connected to the main body 100 of the surgical instrument and is connected to the limiter 21 and a valve core 31 at both ends. The valve core 31 drives the limiter 21 into or out of the movement path of the button 11 through the connecting rod 22. Through the above technical solution, the movement of the limiter 21 can be controlled by rotating the valve core 31. After the limiter 21 is engaged in the movement path of the button 11, when the user presses the button 11, the button 11 is stuck and cannot move. Specifically, the valve core 31 is engaged with one end of the connecting rod 22 through a mounting groove 33, and the other end of the connecting rod 22 is engaged with the limiter 21. The middle portion of the connecting rod 22 is connected to the pivot through a hole. Therefore, when the valve core 31 rotates, it drives the connecting rod 22 to rotate, so that the connecting rod 22 drives the limiter 21 to move.

[0035] In this embodiment, the surgical instrument includes a handle 200 and a body 300. The button 11 is disposed on the handle 200. When using the instrument, the user grips the handle 200, thereby conveniently controlling the button 11 with a finger such as the index finger. The control device 3 is located at the junction of the handle 200 and the body 300, making it convenient for operation with a finger such as the thumb. The limit device 2 is disposed above the button 11. Through the above-described technical solution, the limit device 2, the control device 2, and the boost device 1 can be integrated into the handle, thereby improving integration and reducing space usage.

[0036] In this embodiment, the valve core 31 is connected to the operating rod 34. The operating rod 34 is set in the groove 110 on the surface of the main body 100. The valve core 31 is set in the cylindrical hole 321 of the valve body 32. When the operating rod 34 is pushed, the valve core 31 rotates relative to the valve body 32. When the user toggles the operating rod 34, the valve core 31 can be driven to rotate relative to the valve body 32 through the operating rod 34. The gear position of the valve core 31 can be marked on the side of the groove 110 to help users identify it.

[0037] Furthermore, the first fluid channel 5 and the second fluid channel 6 enter from the bottom of the handle 200. The first fluid channel 5 is a suction channel, and the second fluid channel 6 is a flushing channel. The first and second fluid channels are flexible conduits. Entering from the bottom of the handle 200 does not affect the user's gripping operation. The two fluid channels are independent channels. The second fluid channel 6 includes a first conduit 61 and a second conduit 62. The first conduit 61 enters from the bottom of the handle and is connected to the booster device 1. The second conduit 62 is respectively connected to the booster device 1 and the control device 3. The flushing fluid is input through the first conduit 61, passes through the booster device 1, and enters the control device 3 through the second conduit 62. Therefore, the pressure in the second conduit 62 can be controlled by the booster device 1.

[0038] A surgical instrument in this embodiment can control the channel control between two fluid channels and the flushing and suction pipes through a single control valve, which is easy to operate; at the same time, it can avoid damage caused by accidental activation of the booster device; in addition, the components are highly integrated, effectively reducing space occupancy.

[0039] The surgical instrument of the present invention has been described above. However, the present invention is not limited to the specific embodiments described above, and various modifications and variations are possible without departing from the scope of the claims. The present invention includes various modifications and variations within the scope of the claims.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A surgical instrument, characterized in that: It includes a boosting device, a limiting device, a control device, a flushing and suction pipe, a first fluid channel and a second fluid channel. The first fluid channel is connected to the control device, and the second fluid channel is connected to the control device via the boosting device. The flushing and suction pipe is connected to the control device. The control device includes a valve core. The valve core controls the connection or disconnection of the first fluid channel or the second fluid channel with the flushing and suction pipe. The limiting device is connected to the valve core, and the valve core drives the limiting device to switch between a locking position and a release position. When the second fluid channel and the flushing and suction pipe are disconnected, the limiting device is in a locking position and the boosting device cannot be started.

2. The surgical instrument according to claim 1, wherein The control device includes a valve body, a valve core is rotatably arranged in the valve body, a first channel and a second channel are provided in the valve core, the first fluid channel, the second fluid channel and the flushing and suction pipe are respectively connected to the interface on the valve body, and the valve core rotates to switch the connection or disconnection between the first and second channels and the interface.

3. The surgical instrument according to claim 2, wherein: The valve core includes a flushing gear, a suction gear and a cut-off gear. When the valve core is in the flushing gear, the second fluid channel and the flushing and suction pipeline are connected through the first channel, the first fluid channel is cut off from the flushing and suction pipeline, and the limit device is in the release position; when the valve core is in the suction gear, the first fluid channel and the flushing and suction pipeline are connected through the second channel, the second fluid channel is cut off from the flushing and suction pipeline; when the valve core is in the cut-off gear, the first and second fluid channels are not connected to the flushing and suction pipeline, and the limit device is in the locking position.

4. The surgical instrument according to claim 3, wherein: The interfaces of the valve body include a first interface, a second interface and a third interface. The first and second interfaces are connected to the first and second fluid channels respectively, and the third interface is connected to the flushing and suction pipe. The two ends of the first channel correspond to the first and third interfaces, and the two ends of the second channel correspond to the second and third interfaces.

5. The surgical instrument according to claim 4, wherein: A first strip hole is provided at one end of the first channel, and a second strip hole is provided at one end of the second channel. The first and second strip holes are arranged in parallel and correspond to the third interface respectively.

6. The surgical instrument according to claim 1, wherein The boosting device includes a button and a boosting valve connected to the button. The limit device includes a limit member and a connecting rod. The connecting rod is pivotally connected to the main body of the surgical instrument and its two ends are respectively connected to the limit member and the valve core. The valve core drives the limit member to insert into or out of the moving path of the button through the connecting rod.

7. The surgical instrument according to claim 6, wherein: The surgical instrument comprises a handle and a body, a button is arranged on the handle, a control device is located at the connection between the handle and the body, and the limiting device is arranged above the button.

8. The surgical instrument according to claim 7, wherein: The valve core is connected to the operating rod. The operating rod is arranged in a notch on the surface of the main body. The valve core is arranged in a cylindrical hole of the valve body. When the operating rod is pushed, the valve core rotates relative to the valve body.

9. The surgical instrument according to claim 8, wherein The first fluid channel and the second fluid channel are entered from the bottom of the handle, the first fluid channel is a suction channel, and the second fluid channel is a flushing channel.

10. The surgical instrument according to claim 9, wherein The second fluid channel includes a first conduit and a second conduit. The first conduit enters from the bottom of the handle and is connected to the boosting device. The second conduit is respectively connected to the boosting device and the control device.

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