CN218105990U - Simple ultrasonic knife replacing device - Google Patents

Abstract

The utility model discloses a simple and easy device of changing of supersound sword relates to medical instrument technical field, has solved current supersound sword and can not change after the use and reuse's technical problem. The device comprises a cutter bar and a sheath fixedly connected with the cutter bar, wherein 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 sheath comprises a knife tube and a shell, the knife tube is movably connected with the shell, and the knife tube is provided with a clamping part used for being clamped or separated with the stop shaft. The utility model discloses a set up a detachable structure between supersound sword and handle are connected for medical staff need not change whole supersound sword when changing, has effectively practiced thrift the resource, and the change process weak point consuming time moreover, and easy operation can promote user experience greatly.

Description

Simple ultrasonic knife replacing device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a device is simply changed to supersound sword.

Background

Ultrasonic knives are used more and more widely in surgical procedures, and may be used in open surgical procedures, laparoscopic or endoscopic surgical procedures, and the like. According to the structure and the working principle of a specific instrument, the ultrasonic knife can coagulate blood while cutting tissues, no current passes through a human body in the working process, tissue eschar is small, and further, the injury to a patient is small.

In the operation process, the use times and the loss degree of the ultrasonic scalpel are different due to different types of diseases. The cutter bar and the sheath of the existing ultrasonic knife are of an integrated structure, so that the whole ultrasonic knife needs to be thrown up after the operation is finished, and the sheath cannot be reused for the disposable ultrasonic knife; furthermore, if a portion of the blade is damaged, the entire blade must be discarded (once the blade is unpacked for sterility, the entire blade must be discarded). Thus wasting consumables and being not beneficial to the reasonable utilization and the saving and the use of resources.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is simply changed to supersound sword to solve current supersound sword and can not change after the use and reuse, have the technical problem of extravagant consumptive material. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a simple ultrasonic knife replacing device, which comprises 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 and a shell, and the knife tube is movably connected with the shell; the knife tube is provided with a clamping part used for being clamped or separated with the stop shaft.

Preferably, the ultrasonic scalpel simple replacing device further comprises an energy converter detachably connected with the scalpel rod; the cutter bar is arranged in the knife sheath and is fixedly connected with the knife sheath through the energy converter.

Preferably, one end of the energy converter is provided with a connecting shaft, and the connecting shaft is detachably connected with the first connecting hole.

Preferably, the knife tube comprises a tube body, a knob assembly, a clamp nozzle and a flange assembly, wherein the knob assembly and the clamp nozzle 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 pipe body, and the second clamping part is clamped with the stop shaft.

Preferably, the second clamping portion is provided with a clamp body, and a concave portion is arranged in the middle of the clamp body; the clamp body can elastically deform under the action of external force, and the stop shaft can enter or leave the concave part; when the external force disappears, the clamp body can restore to the original state, and the stop shaft is fastened to the concave part or separated from the concave part; 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, and the first notch and the second notch are used for enabling the stop shaft to enter or leave the concave part under the action of external force; when the stop shaft is clamped in the concave part, the cutter bar is fixedly connected with the knife sheath, and when the stop shaft leaves the concave part, the cutter bar is separated from the knife sheath.

Preferably, the housing comprises a tool 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 portion is movably connected with the first connecting port, the pipe body is arranged on the second notch and fixedly connected with the flange component, and the second connecting port is in clearance fit with the transducer.

Preferably, the cutter arbor body is provided with a plurality of plastic parts, the plastic part is used for reducing the cutter arbor body with the friction between the body, can also with the cutter arbor body supports inside the body.

Preferably, the simple ultrasonic knife replacing device further comprises an adapter and a torque wrench; the torque wrench is detachably connected with the adapter, and the torque wrench is matched with the adapter to fasten or separate the energy converter and the cutter bar.

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

Implement the utility model discloses a technical scheme among the above-mentioned technical scheme has following advantage or beneficial effect:

the utility model discloses a set up a detachable structure between the cutter arbor of supersound sword and sheath, simultaneously, carry out the cutter arbor separable with the sheath for medical staff need not abandon whole supersound sword when changing, only need change the sheath can, the cutter arbor can realize recycling after clean, disinfection, the sterilization as required. Furthermore, resources are effectively saved, the time consumption of the installation process of the cutter bar and the sheath is short, the operation is simple, and the user experience can be greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, and in the drawings:

fig. 1 is a schematic view of an overall structure of an ultrasonic scalpel easy-replacing device according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a structure of the ultrasonic scalpel simple replacing device according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a tool bar of the ultrasonic knife easy replacing device according to the embodiment of the present invention;

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

fig. 5 is a schematic view of the ultrasonic knife simple replacing device according to the embodiment of the present invention;

fig. 6 is a schematic view of a knob assembly of an ultrasonic blade easy replacement device according to an embodiment of the present invention;

fig. 7 is a schematic view of the ultrasonic blade simple replacing device according to the embodiment of the present invention, which is disassembled from the housing;

fig. 8 is a schematic structural view of an adapter of the simple ultrasonic knife replacing device according to the embodiment of the present invention;

fig. 9 is a schematic structural view of a torque wrench of an ultrasonic blade easy replacement device according to an embodiment of the present invention;

fig. 10 is an assembly view of an ultrasonic blade changer according to an embodiment of the present invention;

fig. 11 is an assembled schematic view of an ultrasonic blade simple replacing device according to an embodiment of the present invention.

In the figure: 1. a cutter bar; 11. a cutter bar body; 12. a stop shaft; 13. a first connection hole; 14. a plastic part; 2. a sheath; 21. a knife pipe; 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 recessed portion; 2124. a second connection hole; 213. a clamp mouth; 214. a flange assembly; 22. a housing; 221. a knife handle; 222. a connecting structure; 2221. a first connection port; 2222. A second connection port; 2223. a conducting ring seat assembly; 3. a transducer; 31. a connecting shaft; 4. an adapter; 41. a first through hole; 42. a first block body; 43. a card interface; 5. a torque wrench; 51. a handle; 52. a second through hole; 53. a second block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, various exemplary embodiments to be described below will refer to the accompanying drawings, which form a part hereof, and in which are described various exemplary embodiments that may be employed to implement the present invention. The same numbers in different drawings identify the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatus, etc., consistent with certain aspects of the present disclosure as detailed in the appended claims, and that other embodiments may be used, or structural and functional modifications may be made to the described embodiments without departing from the scope and spirit of the present disclosure.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," and the like are used in the orientations and positional relationships illustrated in the accompanying drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the elements so referred to must have a particular orientation, be constructed and operated 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 to implicitly indicate the number of technical features indicated. The term "plurality" means two or more. The terms "coupled" and "connected" are to be construed broadly and may include, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, communicatively connected, directly connected, indirectly connected through intermediate media, and may include two elements being in communication or being in an interactive relationship with each other. 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 according to specific situations by those skilled in the art.

In order to explain the technical solution of the present invention, the following description is made by way of specific embodiments, and only the portions related to the embodiments of the present invention are shown.

The embodiment is as follows:

as shown in fig. 1-11, a simple ultrasonic scalpel replacing device includes a scalpel bar 1 and a sheath 2 fixedly connected to the scalpel bar 1, wherein the scalpel bar 1 includes a scalpel bar body 11, and a stop shaft 12 and a first connecting hole 13 disposed at one end of the scalpel bar body 11. It should be noted that the traditional ultrasonic scalpel is an undetachable whole, so that after the operation is finished (or once the sterile package is unpacked), the whole ultrasonic scalpel is discarded, and consumables are wasted; or when the ultrasonic knife is partially damaged and needs to be maintained or replaced, the knife sheath and the knife bar cannot be detached, so that the maintenance is difficult to realize. Therefore, the utility model discloses set up can be with the device of simple and easy separation and equipment between sheath and the cutter arbor to this realizes changing the sheath fast, portably. Additionally, the utility model provides a sheath is disposable product, and the cutter arbor is repeatedly usable product, and used repeatedly number of times is 10.

The simple and easy device of changing of the supersound blade body of this embodiment still includes the transducer 3 of being connected with cutter arbor 1 can dismantle, and cutter arbor 1 sets up inside sheath 2 to through transducer 3 and sheath 2 fixed connection. Further, one end of the transducer 3 is provided with a connecting shaft 31, and the connecting shaft 31 is detachably connected with the first connecting hole 13 in a threaded manner. The stop shaft 12 is fixedly connected with the cutter bar body 11 through an in-mold injection molding process.

In a preferred embodiment, the sheath 2 includes a knife tube 21 and a housing 22, and the knife tube 21 is movably connected to the housing 22. Specifically, the knife tube 21 includes a tube body 211, a knob assembly 212, and a forceps tip 213 (the forceps tip is provided with a tissue pad, and the wear-resistant and high-temperature-resistant characteristics of the tissue pad facilitate better surgical cutting), and the knob assembly 212 and the forceps tip are respectively disposed at two ends of the tube body 211. It should be noted that the knob assembly 212 can rotate 360 degrees to drive the knife tube 21 to rotate 360 degrees correspondingly, so as to better select a better surgical angle 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 body 211, and the second clamping portion 2123 is clamped to the stopper shaft 12. The second clip portion 2123 is provided with a clip body 21231, and a concave portion 21232 is provided in the middle of the clip body 21231. The clamp body 21231 can be elastically deformed under the action of external force, and the stop shaft 12 can enter or leave the concave part 21232; when the external force disappears, the caliper body 21231 can return to its original shape, and the stopper shaft 12 is fastened to the recess 21232 or the stopper shaft 12 is separated from the recess 21232. One end of the tube 211 is provided with a first notch 2111 and a second notch 2112 (the tube has a two-layer structure, the first notch is an outer-layer tube, and the second notch is an inner-layer tube, so 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, so that the inner-layer tube can control the closing of the forceps mouth under the action of external force), the forceps body 21231 is arranged at the first notch 2111, and the first notch 2111 and the second notch 2112 are used for stopping the shaft 12 from entering or leaving the recessed portion 21232 under the action of external force; when the stopper shaft 12 is engaged with the recess 21232, the holder 1 is fixedly connected to the sheath 2, and when the stopper shaft 12 is separated from the recess 21232, the holder 1 is separated from the sheath 2. Further, the housing 22 includes a handle 221 and a connecting structure 222 which are integrally formed, and the tool tube 21 further includes a flange assembly 214 (a spring flange and a spring for controlling the opening angle of the front end clamp mouth of the tool 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) with the first connection port 2221, the tube 211 is fixedly connected, e.g., welded or screwed, to the flange assembly 214 at the second notch 2112 (the flange assembly is fixed to the inner tube, and moves in a linkage manner under the action of an external force to control the opening angle of the forceps mouth), and the second connection port 2222 is in a clearance fit with the transducer 3. In order to better control the output energy of the ultrasonic knife, a conducting ring seat assembly 2223 is further provided, the conducting ring seat assembly 2223 is connected with a manually-controllable key, the conducting ring seat assembly 2223 is arranged between the flange assembly 214 and the second connection port 2222, and is covered and pressed and fixed through the left and right knife shells, and the conducting ring seat assembly 2223 is provided with a through hole matched with the stop shaft 12 in shape and allowing the stop shaft 12 to penetrate through. It should be further described that the cutter bar body 11 is provided with a plurality of plastic parts 14, and the plastic parts 14 are formed by one-time in-mold injection molding, and are used for reducing friction between the cutter bar body 11 and the tube body 211 and supporting the cutter bar body 11 inside the tube body 211. The surface of the cutter bar is not provided with an embedded structure, the surface is smooth, and the cleaning, disinfection and sterilization can be effectively carried out, so that the repeated utilization can be realized; the knife tube 21 has a multi-layer structure, so that effective sterilization and disinfection are difficult to realize, and recycling cannot be realized.

The simple and easy device of changing of the supersound cutter arbor body of this embodiment still includes adapter 4 and torque wrench 5, and torque wrench 5 can dismantle with adapter 4 and be connected, and torque wrench 5 is used for fastening transducer 3 and cutter arbor 1 or separation with the cooperation of adapter 4. Specifically, the adapter 4 includes a first through hole 41, first blocking bodies 42 (the number of the blocking bodies is 4, and the blocking bodies can be symmetrically arranged) disposed in the first through hole 41, and a clamping interface 43; the torque wrench 5 includes a handle 51, a second through hole 52, and a second stopper 53 (two symmetrical arrangements) disposed outside the second through hole 52. The joint interface 43 is used for being in joint with the stop shaft 12, the second gear 53 can be abutted against the first gear 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 and the cutter bar 1 through the connecting shaft 31 and the first connecting hole 13 (the ultrasonic knife can generate ultrasonic waves in the using process, so that the fastening performance of the transducer 3 and the cutter bar is very important, a special device needs to be arranged to fasten the transducer 3 and the cutter bar, and the separation is carried out during replacement).

One specific installation scheme is as follows: the knife bar 1 and the transducer 3 are fastened for the first time through the first connection hole 13, the connection shaft 31. In order to facilitate the assembly and disassembly, the clockwise rotating cutter bar 1 can be arranged for assembly, and the anticlockwise rotating cutter bar 1 can be arranged for disassembly; the first through hole 41 of the adapter 4 is inserted from the other end of the stopper shaft 12 of the tool bar body 11 until the snap interface 43 of the adapter 4 is snapped to the stopper shaft 12 of the stopper shaft 12. The insertion mode that the adapter 4 is installed in the second through hole 52 of the torque wrench 5 is inserted from the tool bar body 11 until the second stopper 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 and the tool bar 1 are fastened for the second time, after the 'click' sound is heard for two times, the fastening is finished, and the torque wrench 5 and the adapter 4 are sequentially taken out from the tool bar body 11; the knob assembly 212 is adjusted to the position of the logo (a plurality of protrusions are provided on the rotating portion, and a logo is provided by selecting one of the protrusions, which may be, but is not limited to, a color logo, such as blue). At this time, the stopping shaft 12 is in a vertical state, and the first notch 2111, the second notch 2112 and the recessed portion 21232 of the forceps body 21231 are all in a consistent position state with the stopping shaft 12, so that the cutter bar 1 can be conveniently, accurately and quickly assembled in the sheath 2; the handle 221 is held by one hand, the transducer 3 is held by the other hand, the other end of the knife 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 sound of 'click' is heard, the knife bar 1 is correctly inserted into the knife tube 21, and the assembly of the knife bar 1 and the sheath 2 can be simply completed.

When the cutter bar 1 is detached, the knob assembly 212 is adjusted to the mark position, one hand holds the cutter handle 221, the other hand holds the transducer 3, and the cutter bar 1 can be pulled out of the cutter tube 21 by pulling the transducer 3; inserting the adapter 4 and the torque wrench 5 into the knife tube 21 according to the installation steps, and rotating the handle 51 of the torque wrench 5 counterclockwise until the knife bar 1 is separated from the transducer 3; finally, the adapter 4 and the torque wrench 5 are directly taken out of the tool bar 1, and the disassembly work can be simply completed.

To sum up, the utility model discloses a set up a simple and easy detachable structure between the cutter arbor of supersound sword and sheath, simultaneously, carry out the cutter arbor and sheath separable for medical staff need not abandon whole supersound sword when changing, only need change the sheath can, the cutter arbor can realize recycling after clean, the disinfection of requirement, the sterilization. Furthermore, resources are effectively saved, the time consumption of the installation process of the cutter bar and the sheath is short, the operation is simple, and the user experience can be greatly improved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims (9)

1. A 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 and a shell, and the knife tube is movably connected with the shell; the knife pipe is provided with a clamping part used for being clamped or separated with the stop shaft.

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

the cutter bar is arranged in the knife sheath and is fixedly connected with the knife sheath through the energy converter.

3. The ultrasonic blade easy-replacing device 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 scalpel simple replacing device as claimed in claim 2, wherein the scalpel tube comprises a tube body, a knob assembly, a forceps nozzle and a flange assembly, and the knob assembly and the forceps nozzle are respectively arranged at two ends of the tube body;

the knob assembly comprises a rotating part, a first clamping portion, a second clamping portion and a second connecting hole, the second connecting hole is in interference fit with the pipe body, and the second clamping portion is connected with the stop shaft in a clamped mode.

5. The simple ultrasonic knife replacing device according to claim 4, wherein the second clamping portion is provided with a clamp body, and a concave portion is arranged in the middle of the clamp body;

the clamp body can elastically deform under the action of external force, and the stop shaft can enter or leave the concave part; when the external force disappears, the clamp body can restore to the original state, and the stop shaft is fastened to the concave part or separated from the concave part;

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, and the first notch and the second notch are used for enabling the stop shaft to enter or leave the concave part under the action of external force; when the stop shaft is clamped in the concave part, the cutter bar is fixedly connected with the knife sheath, and when the stop shaft leaves the concave part, the cutter bar is separated from the knife sheath.

6. The ultrasonic blade easy replacement device 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 portion is movably connected with the first connecting port, the pipe body is arranged on the second notch and fixedly connected with the flange assembly, and the second connecting port is in clearance fit with the transducer.

7. The device for easily replacing an ultrasonic blade of claim 4, wherein the blade body is provided with a plurality of plastic members, the plastic members are used for reducing friction between the blade body and the tube body and supporting the blade body inside the tube body.

8. The ultrasonic blade easy-changing device as claimed in claim 2, further comprising an adapter and a torque wrench; the torque wrench with the adapter can be dismantled and be connected, the torque wrench with the adapter cooperation is used for with the transducer with the cutter arbor fastening or separation.

9. The ultrasonic scalpel simple replacing device as claimed in claim 1, wherein the stopper shaft is fixedly connected with the scalpel bar body through an in-mold injection molding process.

Images