CN116999122B

CN116999122B - Ultrasonic knife simply changes device and ultrasonic knife

Info

Publication number: CN116999122B
Application number: CN202210468440.4A
Authority: CN
Inventors: 胡冰
Original assignee: Shenzhen Puhui Medical Technology Co ltd
Current assignee: Shenzhen Puhui Medical Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2025-09-19
Anticipated expiration: 2042-04-29
Also published as: CN116999122A

Abstract

The present invention discloses a simple replacement device for an ultrasonic scalpel and an ultrasonic scalpel, which relate to the technical field of medical devices and solve the technical problem that existing ultrasonic scalpels cannot be replaced and reused after use. The device includes a scalpel rod and a scabbard fixedly connected to the scalpel rod, and the scalpel rod includes a scalpel rod body and a stop shaft and a first connecting hole arranged at one end of the scalpel rod body. The present invention provides a detachable structure between the ultrasonic scalpel and the handle, so that medical personnel do not need to replace the entire ultrasonic scalpel when replacing it, effectively saving resources. In addition, the replacement process is time-saving and simple to operate, which can greatly improve the user experience.

Description

Ultrasonic knife simply changes device and ultrasonic knife

Technical Field

The invention relates to the technical field of medical equipment, in particular to a simple ultrasonic knife replacing device and an ultrasonic knife.

Background

Ultrasonic blades are becoming more and more widely used in surgical procedures, and may be used in open surgery, laparoscopic or endoscopic surgery, and the like. According to the construction and working principle of the specific instrument, the ultrasonic knife can coagulate while cutting tissues, no current passes through a human body in the working process, and the eschar of the tissues is small, so that the damage to a patient is small.

In the operation process, the ultrasonic knife is used for different times and different loss degrees due to different types of diseases. The knife bar and the knife sheath of the existing ultrasonic knife are of an integrated structure, so that the whole ultrasonic knife needs to be thrown away after the operation is finished, the knife sheath cannot be reused for the disposable ultrasonic knife, and even more, if a certain part of the ultrasonic knife is broken, the whole ultrasonic knife is thrown away (the whole ultrasonic knife is thrown away once the aseptic package of the ultrasonic knife is detached). Therefore, consumable materials are wasted, and reasonable utilization and saving of resources are not facilitated.

Disclosure of Invention

The invention aims to provide a simple ultrasonic knife replacing device and an ultrasonic knife, which are used for solving the technical problems that the existing ultrasonic knife cannot be replaced and reused after being used, and consumable materials are wasted. The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present invention provides the following technical solutions:

The invention provides a simple ultrasonic knife replacing device and an ultrasonic knife, comprising a knife bar and a knife sheath fixedly connected with the knife bar; the cutter bar comprises a cutter bar body, and a stop shaft and a first connecting hole which are arranged at one end of the cutter bar body.

Preferably, the ultrasonic knife simple replacing device and the ultrasonic knife further comprise a transducer detachably connected with the knife bar, and the knife bar is arranged inside the knife sheath and fixedly connected with the knife sheath through the transducer.

Preferably, a connecting shaft is arranged at one end of the transducer, and the connecting shaft is detachably connected with the first connecting hole.

Preferably, the sheath comprises a cutter tube and a shell, and the cutter tube is movably connected with the shell.

Preferably, the cutter tube comprises a tube body, a knob assembly, a clamp mouth and a flange assembly, wherein the knob assembly and the clamp mouth are respectively arranged at two ends of the tube body, the knob assembly comprises a rotating part, a first clamping part, a second clamping part and a second connecting hole, the second connecting hole is in interference fit with the tube body, and the second clamping part is clamped with the stop shaft.

The clamp comprises a clamp body, a cutter bar, a cutter sheath and a cutter bar, wherein the clamp body is arranged in the middle of the clamp body, the clamp body is provided with a concave portion, the clamp body can elastically deform under the action of external force, the stop shaft can enter or be far away from the concave portion, the clamp body can be restored to the original state when the external force is eliminated, the stop shaft is fastened in the concave portion or separated from the concave portion, one end of the clamp body is provided with a first notch and a second notch, the clamp body is arranged at the first notch, the first notch and the second notch are used for enabling the stop shaft to enter or leave the concave portion under the action of the external force, and when the stop shaft is clamped in the concave portion, the cutter bar is fixedly connected with the cutter sheath, and when the stop shaft leaves the concave portion, the cutter bar is separated from the cutter sheath.

The shell comprises a handle and a connecting structure which are integrally formed, the connecting structure is of a cavity structure and comprises a first connecting port and a second connecting port, the first clamping part is movably connected with the first connecting port, the pipe body is fixedly connected with the flange assembly at the second notch, and the second connecting port is in clearance fit with the transducer.

Preferably, the cutter bar body is provided with a plurality of plastic parts, the plastic parts are used for reducing friction between the cutter bar body and the pipe body, and the cutter bar body can be supported in the pipe body.

Preferably, the ultrasonic knife simple replacing device and the ultrasonic knife further comprise an adapter and a torque wrench, wherein the torque wrench is detachably connected with the adapter and matched with the adapter to fasten or separate the transducer and the knife bar.

Preferably, the stop shaft is fixedly connected with the cutter bar body through an in-mold injection molding process.

By implementing one of the technical schemes, the invention has the following advantages or beneficial effects:

According to the ultrasonic knife, the detachable structure is arranged between the knife bar and the knife sheath, and meanwhile, the knife bar and the knife sheath are separable, so that medical staff does not need to discard the whole ultrasonic knife when replacing the ultrasonic knife, only need to replace the knife sheath, and the knife bar can be recycled after being cleaned, disinfected and sterilized according to requirements. Furthermore, resources are effectively saved, the time consumption of the installation process of the cutter bar and the cutter sheath is short, the operation is simple, and the user experience can be greatly improved.

Drawings

For a clearer description of the technical solutions of embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, in which:

fig. 1 is a schematic diagram of an ultrasonic blade simple replacement device and an ultrasonic blade overall structure according to an embodiment of the present invention;

Fig. 2 is a schematic diagram illustrating a simple ultrasonic blade replacing device and a structural disassembly of an ultrasonic blade according to an embodiment of the present invention;

FIG. 3 is a schematic view of a simple ultrasonic blade replacing device and a cutter bar of an ultrasonic blade according to an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of an ultrasonic blade simple replacement device and a transducer of an ultrasonic blade according to an embodiment of the present invention;

FIG. 5 is a schematic view showing the simple replacement of an ultrasonic blade and the structural disassembly of a blade tube of the ultrasonic blade according to the embodiment of the invention;

FIG. 6 is a schematic view of a simple ultrasonic blade replacement device and a knob assembly for an ultrasonic blade according to an embodiment of the present invention;

fig. 7 is a schematic diagram showing the simple replacement device for an ultrasonic blade and the structural disassembly of the housing of the ultrasonic blade according to the embodiment of the invention;

fig. 8 is a schematic diagram of an ultrasonic blade simple replacement device and an adapter of an ultrasonic blade according to an embodiment of the present invention;

fig. 9 is a schematic diagram of a simple ultrasonic blade replacing device and a torque wrench structure of an ultrasonic blade according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of an ultrasonic blade simple replacement apparatus and an ultrasonic blade assembly according to an embodiment of the present invention;

Fig. 11 is a schematic diagram of an ultrasonic blade simple replacement device and an assembled ultrasonic blade according to an embodiment of the present invention.

The tool comprises a tool bar 1, a tool bar 11, a tool bar body 12, a stop shaft 13, a first connecting hole 14, a plastic part 2, a tool sheath 21, a tool tube 211, a pipe body 2111, a first notch 2112, a second notch 212, a knob assembly 2121, a rotating part 2122, a first clamping part 2123, a second clamping part 21231, a clamp body 21232, a concave part 2124, a second connecting hole 213, a clamp mouth 214, a flange assembly 22, a shell 221, a tool handle 222, a connecting structure 2221, a first connecting port 2222, a second connecting port 2223, a conducting ring seat assembly 3, a transducer 31, a connecting shaft 4, a connecting head 41, a first through hole 42, a first gear 43, a clamping port 5, a torque wrench 51, a handle 52, a second through hole 53 and a second gear.

Detailed Description

For a better understanding of the objects, technical solutions and advantages of the present invention, reference should be made to the various exemplary embodiments described hereinafter with reference to the accompanying drawings, which form a part hereof, and in which are described various exemplary embodiments which may be employed in practicing the present invention. The same reference numbers in different drawings identify the same or similar elements unless expressly stated otherwise. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatuses, etc. that are consistent with certain aspects of the present disclosure as detailed in the appended claims, other embodiments may be utilized, or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.

In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," and the like are used in an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present invention and to simplify the description, rather than to indicate or imply that the elements referred to must have a particular orientation, be constructed and operate in a particular orientation. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "connected," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, communicatively connected, directly connected, indirectly connected via intermediaries, or may be an internal connection of two elements or an interaction relationship of two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In order to illustrate the technical solutions of the present invention, the following description is made by specific embodiments, only the portions related to the embodiments of the present invention are shown.

Examples:

As shown in fig. 1-11, an ultrasonic knife simple replacing device and an ultrasonic knife comprise a knife bar 1 and a knife sheath 2 fixedly connected with the knife bar 1, wherein the knife bar 1 comprises a knife bar body 11, a stop shaft 12 arranged at one end of the knife bar body 11 and a first connecting hole 13. It should be noted that, the conventional ultrasonic blade is an integral body which is not detachable, so that the whole ultrasonic blade can be discarded after the operation is finished (or the aseptic package is once detached), and consumables are wasted, or when the ultrasonic blade is damaged and parts are required to be repaired or replaced, the sheath cannot be detached from the cutter bar, so that the maintenance is difficult to realize. Therefore, the invention provides a device capable of simply separating and assembling the sheath from the cutter bar, thereby realizing quick and simple replacement of the sheath. In addition, the knife sheath is a disposable product, and the knife bar is a reusable product which is reused for 10 times.

The simple ultrasonic knife rod body replacing device of the embodiment further comprises a transducer 3 detachably connected with the knife rod 1, wherein the knife rod 1 is arranged inside the knife sheath 2 and is fixedly connected with the knife sheath 2 through the transducer 3. Further, a connecting shaft 31 is arranged at one end of the transducer 3, and the connecting shaft 31 is detachably connected with the first connecting hole 13 in a threaded connection mode. The stop shaft 12 is fixedly connected with the cutter bar body 11 through an in-mold injection molding process.

As a preferred embodiment, the sheath 2 comprises a cutter tube 21 and a housing 22, the cutter tube 21 being movably connected to the housing 22. Specifically, the cutter tube 21 includes a tube body 211, a knob assembly 212, and jaws 213 (the jaws are provided with tissue pads, and the wear-resistant and high-temperature-resistant characteristics of the jaws facilitate better surgical cutting), and the knob assembly 212 and the jaws are respectively disposed at two ends of the tube body 211. It should be noted that, the knob assembly 212 can rotate 360 ° to further drive the cutter tube 21 to rotate 360 ° correspondingly, so that a better surgical angle can be better selected for the ultrasonic knife. Further, the knob assembly 212 includes a rotating portion 2121, a first clamping portion 2122, a second clamping portion 2123, and a second connecting hole 2124, the second connecting hole 2124 is in interference fit with the tube 211, and the second clamping portion 2123 is clamped with the stop shaft 12. The second clamping portion 2123 is provided with a clamp body 21231, and a recess 21232 is provided in the middle of the clamp body 21231. The clamp body 21231 can elastically deform under the action of external force, the stop shaft 12 can enter or leave the concave portion 21232, and when the external force is eliminated, the clamp body 21231 can restore to the original state, and the stop shaft 12 is fastened to the concave portion 21232 or the stop shaft 12 is separated from the concave portion 21232. One end of the pipe body 211 is provided with a first notch 2111 and a second notch 2112 (the pipe body is of a two-layer structure, the first notch is an outer pipe body, and the second notch is an inner pipe body, so that the caliber of the first notch is larger than that of the second notch, and the second notch is longer than that of the first notch. In this way, the inner layer pipe body can control the closing of the clamp mouth under the action of external force), the clamp body 21231 is arranged at the first notch 2111, the first notch 2111 and the second notch 2112 are used for enabling the stop shaft 12 to enter or leave the concave portion 21232 under the action of external force, when the stop shaft 12 is clamped in the concave portion 21232, the cutter bar 1 is fixedly connected with the knife sheath 2, and when the stop shaft 12 leaves the concave portion 21232, the cutter bar 1 is separated from the knife sheath 2. Still further, the housing 22 includes a handle 221 and a connecting structure 222 that are integrally formed, and the cutter tube 21 further includes a flange assembly 214 (a spring flange and a spring for controlling the opening angle of the front end clamp of the cutter tube are provided in the flange assembly). Specifically, the connection structure 222 is a cavity structure, and includes a first connection port 2221 and a second connection port 2222. The first clamping portion 2122 is movably connected (e.g. in a clearance fit) to the first connection port 2221, the pipe body 211 is fixedly connected (e.g. welded or screwed) to the flange assembly 214 at the second notch 2112 (the flange assembly is fixed on the inner pipe, and the inner pipe moves in a linkage manner under the action of an external force to control the opening angle of the clamp mouth), and the second connection port 2222 is in clearance fit with the transducer 3. In order to better control the output energy of the ultrasonic knife, a conductive ring seat assembly 2223 is further arranged, the conductive ring seat assembly 2223 is connected with a manually controllable key, the conductive ring seat assembly 2223 is arranged between the flange assembly 214 and the second connecting port 2222, the cover is closed through the left and right knife housings, the press fit is fixed, and the conductive ring seat assembly 2223 is provided with a through hole matched with the shape of the stop shaft 12 and used for the stop shaft 12 to penetrate. It should be further noted that, the cutter bar body 11 is provided with a plurality of plastic parts 14, and the plastic parts 14 are injection molded in a disposable film for reducing friction between the cutter bar body 11 and the tube 211 and supporting the cutter bar body 11 inside the tube 211. The cutter bar has no embedded structure on the surface, has smooth surface, and can effectively clean, disinfect and sterilize, thus realizing recycling, while the cutter tube 21 has a multi-layer structure, so that the effective sterilization and disinfection are difficult to realize, and the recycling cannot be realized.

The simple ultrasonic cutter bar body replacing device of the embodiment further comprises an adapter 4 and a torque wrench 5, wherein the torque wrench 5 is detachably connected with the adapter 4, and the torque wrench 5 is matched with the adapter 4 to fasten or separate the transducer 3 from the cutter bar 1. Specifically, the adapter 4 includes a first through hole 41, first stoppers 42 (the number of stoppers is 4, and the stoppers may be symmetrically disposed) disposed in the first through hole 41, and a card interface 43, and the torque wrench 5 includes a handle 51, a second through hole 52, and a second stopper 53 (two symmetrically disposed) disposed outside the second through hole 52. The clamping interface 43 is used for being clamped with the stop shaft 12, the second baffle 53 can be abutted with the first baffle 42 in the first through hole 41, when the handle 51 is stressed, the adapter 4 can be driven to rotate to fasten or separate the transducer 3 from the cutter bar 1 through the connecting shaft 31 and the first connecting hole 13 (the ultrasonic knife is known to generate ultrasonic waves in the use process, so that the tightness of the transducer 3 and the cutter bar is important, and special devices are required to fasten the transducer 3 and the cutter bar and separate the transducer 3 and the cutter bar during replacement).

A specific installation scheme is that the cutter bar 1 and the transducer 3 are fastened for the first time through the first connecting hole 13 and the connecting shaft 31. For easy assembly and disassembly, the clockwise rotary cutter bar 1 can be assembled, the anticlockwise rotary cutter bar 1 can be disassembled, and the first through hole 41 of the adapter 4 is inserted from the other end of the stop shaft 12 of the cutter bar body 11 until the clamping interface 43 of the adapter 4 is clamped with the stop shaft 12 of the stop shaft 12. The second through hole 52 of the torque wrench 5 is inserted from the cutter bar body 11 until the second gear 53 of the torque wrench 5 enters the first through hole 41 of the adapter 4, the handle 51 of the torque wrench 5 is rotated clockwise, the transducer 3 is fastened with the cutter bar 1 for the second time, after the click sound is heard twice, the fastening is finished, the torque wrench 5 and the adapter 4 are sequentially taken out from the cutter bar body 11, the knob assembly 212 is adjusted to the identification position (a plurality of protrusions are arranged on the rotating part, one of the protrusions is selected to be provided with an identification, and the identification can be but is not limited to a color identification such as blue). At this time, the stop shaft 12 is in a vertical state, the first notch 2111, the second notch 2112 and the concave portion 21232 of the clamp body 21231 are in a consistent position with the stop shaft 12, so that the tool bar 1 can be conveniently, accurately and rapidly assembled in the sheath 2, the tool bar 221 is held by one hand, the transducer 3 is held by the other hand, the other end of the tool bar 1 connected with the transducer 3 is inserted into the sheath 2 from the second connection port 2222 of the housing 22 until the 'click' sound is heard, and the tool bar 1 is correctly inserted into the tool tube 21, so that the assembly of the tool bar 1 and the sheath 2 can be simply completed.

When the tool is disassembled, the knob assembly 212 is adjusted to the identification position, the tool handle 221 is held by one hand, the transducer 3 is held by the other hand, the tool bar 1 can be pulled out from the tool tube 21 by pulling the transducer 3, the adapter 4 and the torque wrench 5 are inserted into the tool tube 21 according to the installation steps, the handle 51 of the torque wrench 5 is rotated anticlockwise until the tool bar 1 and the transducer 3 are separated, and finally the adapter 4 and the torque wrench 5 are directly taken out from the tool bar 1, so that the disassembling work can be simply completed.

In summary, the simple detachable structure is arranged between the cutter bar and the sheath of the ultrasonic knife, and the cutter bar and the sheath are simultaneously separated, so that medical staff does not need to discard the whole ultrasonic knife when replacing the ultrasonic knife, only the sheath is needed to be replaced, and the cutter bar can be recycled after being cleaned, disinfected and sterilized according to requirements. Furthermore, resources are effectively saved, the time consumption of the installation process of the cutter bar and the cutter sheath is short, the operation is simple, and the user experience can be greatly improved.

The foregoing is only illustrative of the preferred embodiments of the application, and it will be appreciated by those skilled in the art that various changes in the features and embodiments may be made and equivalents may be substituted without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.

Claims

1. The simple ultrasonic knife replacing device is characterized by comprising a knife bar and a knife sheath fixedly connected with the knife bar;

the cutter bar comprises a cutter bar body, a stop shaft and a first connecting hole, wherein the stop shaft and the first connecting hole are arranged at one end of the cutter bar body;

The knife sheath comprises a knife tube, wherein the knife tube comprises a tube body, a knob assembly, a clamp mouth and a flange assembly, and the knob assembly and the clamp mouth are respectively arranged at two ends of the tube body;

the second clamping part is provided with a clamp body, a concave part is arranged in the middle of the clamp body, the clamp body can elastically deform under the action of external force, the stop shaft can enter or be far away from the concave part, and when the external force disappears, the clamp body can restore to the original state, and the stop shaft is fastened in the concave part or separated from the concave part.

2. The ultrasonic blade simple replacement device and ultrasonic blade of claim 1, further comprising a transducer detachably connected to the blade bar;

The cutter bar is arranged inside the sheath and is fixedly connected with the sheath through the transducer.

3. The ultrasonic blade simple replacement device and the ultrasonic blade according to claim 2, wherein a connecting shaft is arranged at one end of the transducer, and the connecting shaft is detachably connected with the first connecting hole.

4. The ultrasonic blade simple replacement device and the ultrasonic blade of claim 2, wherein the sheath further comprises a housing, and the blade tube is movably connected with the housing.

5. The ultrasonic knife simple replacing device and the ultrasonic knife according to claim 4, wherein a first notch and a second notch are formed in one end of the pipe body, the clamp body is arranged at the first notch, the first notch and the second notch are used for enabling the stopping shaft to enter or leave the concave portion under the action of external force, when the stopping shaft is clamped in the concave portion, the knife bar is fixedly connected with the knife sheath, and when the stopping shaft leaves the concave portion, the knife bar is separated from the knife sheath.

6. The ultrasonic blade simple replacement device and the ultrasonic blade according to claim 5, wherein the housing comprises a handle and a connecting structure which are integrally formed;

the connecting structure is a cavity structure and comprises a first connecting port and a second connecting port;

The first clamping part is movably connected with the first connecting port, the pipe body is fixedly connected with the flange assembly at the second notch, and the second connecting port is in clearance fit with the transducer.

7. The ultrasonic knife simple replacement device and the ultrasonic knife according to claim 1, wherein the knife bar body is provided with a plurality of plastic parts, the plastic parts are used for reducing friction between the knife bar body and the pipe body, and the knife bar body can be supported inside the pipe body.

8. The ultrasonic blade simple replacement device and the ultrasonic blade according to claim 2, further comprising an adapter and a torque wrench, wherein the torque wrench is detachably connected with the adapter, and the torque wrench is matched with the adapter to fasten or separate the transducer and the cutter bar.

9. The ultrasonic blade simple replacement device and the ultrasonic blade according to claim 1, wherein the stopper shaft is fixedly connected with the blade bar body by an in-mold injection molding process.