KR200494083Y1 - ultrasonic scalpel - Google Patents

Abstract

An ultrasonic scalpel bit comprising a bit tip (1), a bit bar (2) and a bit body (3) is disclosed, wherein the bit tip (1) is located at one end of the bit bar (2), and the bit tip (1) comprises: A multi-bend bit having a wedge or flat sheet shape gradually connected from a cylindrical bit bar (2), forming a multi-bend bit having an extension bent in the longitudinal direction of the bit bar (2), wherein the bent extension is a cut end (11) ends in The ultrasonic scalpel has a simple structure, easy machining, convenient use, high safety, and can perform surgical operations in various special surgical positions.

Description

ultrasonic scalpel

The present disclosure belongs to the technical field of medical devices, and specifically relates to an ultrasound scalpel.

With the development of medical technology in modern society, orthopedic surgery shows a tendency to diversify. Therefore, when performing surgery, different types of scalpel bits must be used for different orthopedic conditions to perform cutting, grinding, scraping, clamping and other operations on the affected area. In surgery, an ultrasonic scalpel is commonly used to cut and shape tissues such as soft tissue, hard tissue, and human tissue.

The cutting bit of the conventional ultrasonic scalpel is a bit having a substantially sheet shape as shown in FIG. 1 . Also, currently, most of these sheet-shaped bits have straight bars, and these straight-bar sheet-shaped bits can only complete operations performed in a visible position, but cannot complete surgical operations such as side scraping. does not exist.

In order to solve the above-mentioned existing technical problems, one implementation of the present disclosure devised an ultrasonic scalpel bit capable of performing surgical operations in various special surgical positions.

In order to solve the above-mentioned conventional technical problem, the ultrasonic scalpel bit of one implementation of the present disclosure includes a bit tip, a bit bar and a bit body, the bit tip is located at one end of the bit bar, and the bit tip is the bit bar It has a progressively connecting wedge or flat sheet shape from a circumferential shape, with an extension bent in the longitudinal direction of the bit bar to form a multi-bend bit, the bent extension terminating at the cut end.

In the ultrasonic scalpel bit of the present disclosure, preferably, the front section and the left and right sides of the cut end are cut faces.

In the ultrasonic scalpel bit of the present disclosure, preferably, a cutting blade is further provided in the longitudinal direction on the lower surface of the bit tip, and the frontmost and lowermost ends of the cutting blade are cutting surfaces.

In the ultrasonic scalpel bit of the present disclosure, preferably, the cross section of the cutting blade is a rectangular or inverted triangle or trapezoidal shape in which the upper base is larger than the lower base, and the leading end of the cutting blade is tapered.

In the ultrasonic scalpel bit of the present disclosure, preferably, the cut surface is machined into a straight plane or arc-shaped surface or a wedge-shaped bit blade-shaped structure or a serrated structure.

In the ultrasonic scalpel bit of the present disclosure, preferably, the upper and lower surfaces of the cut end are circular or oval or rectangular or trapezoidal.

In the ultrasonic scalpel bit of the present disclosure, preferably, the bit bar has a hollow structure, and the bit inlet is provided on the bit tip to be connected to the side of the bit bar, and the irrigation liquid is directly injected into the bit tip.

In the ultrasonic scalpel bit of the present disclosure, preferably, a longitudinal through-groove or semi-through-groove is formed in the upper surface and/or lower surface of the cut end.

In the ultrasonic scalpel bit of the present disclosure, preferably, the other end of the bit bar is connected to the bit body, the bit bar is connected to the bit body through a bevel or arc-shaped surface in a smooth connection, and the other end of the bit body is It is connected to a specific ultrasound host via an ultrasound transducer.

In the ultrasonic scalpel bit of the present disclosure, preferably, the other end of the bit body has a connection thread that is an internal connection thread or an external connection thread; The bit body is additionally provided with a clamping surface.

1. The present disclosure has a simple structure and easy machining.

2. The ultrasonic scalpel bit of the present disclosure can focus all the energy generated by the ultrasonic transducer on the bit tip (the most effective working part), so that the tip of the tool bit has the highest energy output to achieve the strongest working effect do.

3. In the ultrasonic scalpel bit of the present disclosure, the curved design of the bit tip can cut various parts that are difficult for the surgeon to access, thereby shortening the operation time, reducing the operation intensity of the surgeon, and improving the safety of the operation.

4. In the ultrasonic scalpel bit of the present disclosure, a protruding cutting blade is provided on the lower surface of the bit tip in the longitudinal direction, so that the cutting end of the ultrasonic scalpel bit is T-shaped, and the ultrasonic scalpel bit has a T-shaped bent tip shape . The T-shaped curved scalpel bit can be applied in special cases and can cut the cut bone cement so that it can be easily removed, thereby reducing the surgeon's surgical operation intensity and improving the safety of the operation.

5. The cutting surface of the present disclosure can be machined into a straight flat or arc-shaped surface or a wedge-shaped bit blade-type or serrated cutting surface, which can be applied to more cases and facilitates its use.

6. The ultrasonic scalpel bit of the present disclosure has a hollow structure, and the bit tip is provided with a water inlet to ensure that the perfusate flows out from the back side of the bit tip. A longitudinal through-groove or semi-through-groove is formed in the upper and/or lower surface of the cut end of the bit tip, so that sufficient water can be injected. During surgery, the tissue in full contact with the bit head is fully exposed to the washing and cooling of the perfusate in real time, so that the resected tissue can be drained immediately, the view of the incision site is clear and clear, and the rest of the tissue can be protected from damage. there is. In this way, the risk of surgery is further reduced, and the safety and success rate of the surgery are further improved.

1 is a schematic configuration diagram of a conventional ultrasonic scalpel bit.
2 is a schematic perspective view of an ultrasonic scalpel bit of a first embodiment of the present disclosure;
3 is a front view of the ultrasonic scalpel bit of the first embodiment of the present disclosure;
4 is a plan view of an ultrasonic scalpel bit according to a first embodiment of the present disclosure;
5 is a plan view of an ultrasonic scalpel bit according to a second embodiment of the present disclosure;
6 is a schematic perspective view of an ultrasonic scalpel bit according to a third embodiment of the present disclosure;
7 is a front view of an ultrasonic scalpel bit according to a third embodiment of the present disclosure;
8 is a right side view of an ultrasonic scalpel bit according to a third embodiment of the present disclosure;
9 is a bottom view of an ultrasonic scalpel bit according to a third embodiment of the present disclosure;
10 is a schematic perspective view of an ultrasonic scalpel bit according to a fourth embodiment of the present disclosure;
11 is a front view of an ultrasonic scalpel bit according to a fourth embodiment of the present disclosure;
12 is a plan view of an ultrasonic scalpel bit according to a fourth embodiment of the present disclosure;

The technical solution of the present disclosure is clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are some but not all of the embodiments of the present disclosure. All other embodiments obtained by those skilled in the art based on the embodiments of the present disclosure without any creative effort shall fall within the protection scope of the present disclosure.

In the description of the present disclosure, attention should be paid to the orientation or positional relationship indicated by the terms “center”, “top”, “bottom”, “left”, “right”, “vertical”, “horizontal”. “Inside”, “outside”, etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are intended to facilitate description of the present disclosure and merely simplify the description, rather than indicating or implying an apparatus or component. No device or component mentioned herein should have a particular orientation, be constructed and operated in a particular orientation, or be construed as limiting the present disclosure. Also, the terms “first,” “second,” and “third” are for descriptive purposes only and should not be construed as indicating or implying a relative importance.

In the description of the present disclosure, the terms "installed", "connecting" and "connection" are to be understood in a broad sense, unless explicitly specified or defined, for example, a fixed connection, a detachable connection or may be an integrated connection; It may be a mechanical connection or an electrical connection; It may be a direct connection or an indirect connection through an intermediate medium, or it may be a communication between the interiors of the two elements. For those skilled in the art, specific meanings of the above-mentioned terms in the present disclosure should be interpreted according to specific circumstances.

The present disclosure is described in more detail below with reference to specific embodiments and the accompanying drawings.

2 to 4 show the ultrasonic scalpel bit of the first embodiment of the present disclosure. Fig. 2 is a schematic perspective view of the ultrasonic scalpel bit of the first embodiment, Fig. 3 is a front view of the ultrasonic scalpel bit of the first embodiment, and Fig. 4 is a plan view of the ultrasonic scalpel bit of the first embodiment.

2 to 4 , according to the first embodiment of the present disclosure, the ultrasonic scalpel bit includes a bit tip 1 , a bit bar 2 and a bit body 3 . One end of the bit tip 1 is connected to one end of the bit bar 2 having a cylindrical shape, and the other end of the bit tip 1 has a wedge-shaped or flat sheet shape gradually passing from the circumferential shape, and the bit bar 2 ) with longitudinally curved extensions. 2 to 3 , the ultrasonic scalpel bit of this embodiment is bent twice to form two bent portions 13 . The curved extension terminates at a cut end 11 , which is used to cut and remove tissue. In the ultrasonic scalpel bit of this embodiment, the upper and lower surfaces of the cut end 11 have a rectangular shape. The front and left and right sides of the cut end 11 are cut surfaces 12 . 2-4, the cut surface 12 may also be machined into a straight plane substantially perpendicular to the upper and lower surfaces, as shown by the cut surfaces on the left and right sides in Figures 2-4. 2-4, the cut surface 12 can also be machined into a wedge-shaped bit blade shape to increase the cutting speed. Also, the cut surface 12 may be serrated to make the cut easier and prevent slipping. In addition, the cut surface 12 may be machined into an arc-shaped surface, which further facilitates the circumferential cutting operation in the circular hole-shaped wound. The other end of the bit bar 2 is connected to the bit body 3 , and the bit body 3 is connected to a specific ultrasonic host through an ultrasonic transducer.

In the ultrasonic scalpel of the first embodiment of the present disclosure, all the energy generated by the ultrasonic transducer at the bit tip (the most effective working part) can be focused, so that the front end of the scalpel has the highest energy output and is the most effective achieve surgical effect; In addition, the curved design of the bit tip cuts various parts that are difficult for the surgeon to access, thereby shortening the operation time, reducing the surgeon's surgical intensity and improving the safety of the operation.

In the ultrasonic scalpel bit of the first embodiment of the present disclosure, the bit bar 2 is of a hollow structure, and the water inlet 14 is provided in the bit tip 1 to be connected to the side to the bit bar 2, and the irrigation liquid Inject directly into the bit tip (1). In order to be able to inject sufficient water, the cut end 11 may be provided with a through-groove or semi-through-groove in the longitudinal direction. One end of the bit bar 2 is connected to the bit tip 1 , and the other end of the bit bar 2 is connected to the bit body 3 . The bit bar 2 is connected to the bit body 3 via a bevel or arc-shaped face in a smooth transition. A connection thread 31 is provided at the other end of the bit body 3 . The connecting thread 31 may be internal or external. In this embodiment, external connection threads are used. During operation, the connecting thread 31 of the tail part of the bit body 3 is connected to a specific ultrasonic transducer and tightened using a corresponding wrench, which is connected to a specific ultrasonic host, so that the ultrasonic scalpel bit is ready for operation. is completed As mentioned, the ultrasonic scalpel bit has a hollow structure, and the bit tip is provided with a water inlet, so that the perfusate can flow out from the back side of the bit tip; A longitudinal through-groove or semi-through-groove is formed on the upper and lower surfaces of the cut end, so that sufficient water can be injected; During surgery, the entire bit head and contacted tissue are fully exposed to the washing and cooling of the perfusate in real time, so that the resected tissue can be drained immediately. The field of view at the incision site is clear and clear, and it can protect the rest of the tissue from being damaged. In this way, the risk of surgery is further reduced, and the safety and success rate of the surgery are improved.

5 is a plan view of an ultrasonic scalpel bit according to a second embodiment of the present disclosure; The ultrasonic scalpel bit of this embodiment is substantially the same as the ultrasonic scalpel bit of the first embodiment of the present disclosure, except that the upper and lower surfaces of the cutting end 11 of the bit tip 1 are oval and cut. The cut surface 12 is a circular arc-shaped surface, which further facilitates circumferential cutting operations in wounds in the shape of a circular hole. Of course, the upper and lower surfaces of the cut end 11 may also be circular, trapezoidal or the like. Similarly, in the ultrasonic scalpel bit of this embodiment, the bit bar 2 may have a hollow structure, and the water inlet 14 is a bit connected to the bit bar 2 for directly injecting the irrigation liquid into the bit tip 1 . A tip (1) is provided. In order to inject sufficient water, the cut end 11 may be provided with longitudinal grooves or semi-through grooves in the longitudinal direction. One end of the bit bar 2 is connected to the bit tip 1 , and the other end of the bit bar 2 is connected to the bit body 3 . The bit bar 2 is connected to the bit body 3 via a bevel or arc-shaped face in a smooth transition. A connection thread 31 is provided at the other end of the bit body 3 . The connecting thread 31 may be an internal or external thread. Similarly, the hollow structure of the ultrasonic scalpel bit can prevent the perfusion liquid from flowing out from the back side of the bit tip. A longitudinal through-groove or semi-through-groove may be formed in the upper and lower surfaces of the cut end of the bit tip to ensure sufficient water injection. Thus, during surgery, the entire bit head and contacted tissue are immediately washed and cooled by the irrigation liquid, allowing the ablated tissue to be drained immediately. At the time of incision, the field of view is clear and clear, so that the rest of the tissue can be protected from damage. In this way, the risk of surgery is further reduced and the success rate of the surgery is increased.

6 to 9 show an ultrasonic scalpel bit of a third embodiment of the present disclosure. Fig. 6 is a schematic perspective view of the ultrasonic scalpel bit of the third embodiment, Fig. 7 is a front view of the ultrasonic scalpel bit of the third embodiment, and Fig. 8 is a right side view of the third ultrasonic scalpel bit. Fig. 9 is a bottom view of the ultrasonic scalpel bit of the third embodiment.

The ultrasonic scalpel bit of the third embodiment of the present disclosure is substantially the same as the first embodiment except that the bending direction of the bit tip 1 of the first embodiment is opposite to the bending direction of the bit tip 1 . In this embodiment, the protruding cutting blade 15 is provided in the longitudinal direction on the lower surface of the bit tip 1, so the cutting end of the third embodiment has a T-shaped cross section, and the ultrasonic scalpel bit is a T-shaped bent bit am. The cross-section of the cutting blade 15 is a trapezoidal shape in which the upper base is larger than the lower base, and the frontmost and lowermost ends of the cutting blade 15 are the cutting surfaces 12 . The front end of the cutting blade 15 is tapered in the shape of a wedge-shaped blade, as shown in FIGS. 8 and 9 . The cut surface 12 of the lowermost end of the cutting blade 15 may be processed into a straight flat surface or an arc-shaped surface or a wedge-shaped bit blade structure. In this embodiment, the bit body 3 is additionally provided with a clamping surface 32 . In the ultrasonic scalpel bit of the third embodiment of the present disclosure, a protruding cutting blade is provided on the lower surface of the bit tip in the longitudinal direction, the cutting end of the ultrasonic scalpel bit is T-shaped, and the ultrasonic scalpel bit can be applied in special cases It becomes a T-bent bit, which cuts the cut bone cement and allows it to be cut out easily. Accordingly, the surgical operation intensity of the surgeon is reduced and the safety of the operation is improved.

Further, in the ultrasonic scalpel bit of the third embodiment of the present disclosure, the bit bar 2 may have a hollow structure, and a water inlet for directly injecting the irrigation liquid into the bit tip 1 on the side connected to the bit bar is provided. In order to inject sufficient water, a longitudinal groove or semi-through groove is formed in the cut end 11 to ensure sufficient water injection. Thus, during surgery, the entire bit head and contacted tissue are immediately washed and cooled by the irrigation liquid, allowing the ablated tissue to be drained immediately. At the time of incision, the field of view is clear and clear, so that the rest of the tissue can be protected from damage. In this way, the risk of surgery is further reduced.

10 to 12 show an ultrasonic scalpel bit according to a fourth embodiment of the present disclosure. 10 is a schematic perspective view of the ultrasonic scalpel bit of the fourth embodiment, FIG. 11 is a front view of the ultrasonic scalpel bit of the fourth embodiment, and FIG. 12 is a plan view of the ultrasonic scalpel bit of the fourth embodiment of the present disclosure. The ultrasonic scalpel bit of the fourth embodiment of the present disclosure is substantially similar to the first embodiment, but the cut surfaces 12 on the left and right sides of the cut end 11 are machined into a sawtooth structure, and the bit body 3 has a clamping surface. (32) is further provided. According to the ultrasonic scalpel bit of the fourth embodiment of the present disclosure, since the cutting surfaces on the left and right sides of the cutting end are machined into a sawtooth structure, the toothed tip portion of the toothed structure of the cutting end 11 of the bit tip (the most effective working part) All the energy generated by the ultrasonic transducer can be focused on the scalpel, and the front end of this scalpel has the highest energy output and achieves the most effective surgical effect.

In summary, the curved design of the bit tip in the present disclosure can shorten the operation time by cutting various parts that are difficult for the operator to access, reduce the surgeon's surgical operation intensity, and improve the safety of the operation. In the present disclosure, a protruding cutting blade is provided vertically on the lower surface of the bit tip, so that the cutting end of the ultrasonic scalpel has a T-shaped structure, and the ultrasonic scalpel has a T-shaped bent bit. The T-shaped bent structure can be applied in special cases, and can cut out the perfect round bone cement, thus reducing the surgeon's surgical operation intensity and improving the safety of the operation. In addition, the cut surface of the present disclosure can be machined into each straight flat or circular arc-shaped surface or wedge-shaped bit blade-shaped or serrated structure, which can be applied in more cases to facilitate use.

The above-described various embodiments are used only as examples, rather than limiting the technical solutions of the present disclosure. Although the present disclosure has been described in detail with reference to the above various embodiments, those skilled in the art can further modify the technical solutions specified in the various embodiments, or some or all of the technical features therein can be substituted equally. there is; Even if such modifications or substitutions are made, it should be understood that the essence of the corresponding technical solutions does not depart from the scope of the technical solutions of various embodiments of the present disclosure.

1: Bit tip 11: Cut end
12: cut surface 13: bent part
14: water inlet 15: cutting blade
2: Beat bar
3: Beat body
31: connecting screw 32: clamping face

Claims (10)

An ultrasonic scalpel bit comprising a bit tip, a bit bar and a bit body
The bit tip is located at one end of the bit bar, and the bit tip has a wedge or flat sheet shape gradually connected from the bit bar of the circumferential shape,
forming a multi-bend bit having a longitudinally bent extension of the bit bar, the bent extension terminating at a cut end, a front section and left and right sides of the cut end are cut faces, and the lower surface of the bit tip has A cutting blade is additionally provided in the longitudinal direction, and the front end and the lowest end of the cutting blade are the cutting surfaces of the ultrasonic scalpel.
delete delete The method of claim 1,
The cross section of the cutting blade is a rectangular or inverted triangular or trapezoidal shape in which the upper base is larger than the lower base, and the front end of the cutting blade is a tapered ultrasonic scalpel.
5. The method of claim 1 or 4,
The cut surface is a straight plane or arc-shaped surface or a wedge-shaped bit blade structure or an ultrasonic scalpel processed with a sawtooth structure.
5. The method of claim 1 or 4,
The upper and lower surfaces of the cut end are circular or oval or rectangular or trapezoidal shape ultrasonic scalpel.
5. The method of claim 1 or 4,
The bit bar has a hollow structure, and a water inlet is provided on a side of the bit tip connected to the bit bar, and an ultrasonic scalpel bit for directly injecting irrigation liquid into the bit tip.
8. The method of claim 7,
An ultrasonic scalpel bit in which a longitudinal through-groove or semi-through-groove is formed in at least one of the upper surface and the lower surface of the cut end.
5. The method of claim 1 or 4,
The other end of the bit bar is connected to the bit body, the bit bar is connected to the bit body through a bevel or arc-shaped surface through a smooth connection, and the other end of the bit body is connected to a specific ultrasonic host through an ultrasonic transducer. Connected to the ultrasonic scalpel bit.
10. The method of claim 9,
The other end of the bit body is provided with a connection thread that is an internal connection thread or an external connection thread, and the bit body is an ultrasonic scalpel bit in which a clamping surface is additionally provided.

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