TWI571234B - Electrocautery instrument for medical treatment - Google Patents

Description

Medical electric burner

The present invention relates to an electric burner, and more particularly to a medical electric burner.

Regarding the operation with a medical electric burner, a slender surgical instrument is used to assist the applicator to perform the required action in a small space, that is, to discharge a high-frequency current at the tip of the electric burner, and then to the surgical site (such as a blood vessel). , muscles, tissues, etc.) perform electrocautery cutting, cauterization, hemostasis, peeling, clamping, or cutting.

Since the action of the electrosurgical cutting, cauterization, hemostasis, peeling, clamping, or cutting is performed, the angle of the electric burner must be rotated to accurately complete the actions required for the operation.

The exterior of the existing medical electric burner is provided with a rotating wheel for the finger to rotate, and the rotating wheel interlocks the internal electric burning rod, so that the applicator uses the finger to turn the rotating wheel, thereby adjusting the angle of the electric burning rod.

However, in the existing medical electric burner, only the rotatably connected between the rotating wheel and the body of the electric burner is used, and the force-applying person cannot know clearly when dialing the rotating wheel. How much rotation angle you have to turn on the electric rod is only judged by experience. Therefore, it is still a problem that must be overcome for the experienced apprentice. The paradox is the lack of experience.

Therefore, how to design a invention which can improve the above-mentioned defects is a major problem that the inventors of the present invention are trying to solve.

It is an object of the present invention to provide a medical electric burner which can have a frustrating positioning feel when the electric burning rod is turned, so that the applicator can clearly know the exact rotation angle of the electric burning rod.

In order to achieve the above object, the present invention provides a medical electric burner comprising: a body having a shaft joint disposed along an axial direction of the body; a control structure disposed on the body, the control structure including the shaft a telescopic member that elastically expands and contracts in a radial direction; and an electrosurgical module includes a rotating body and an electric burning rod that is inserted into the rotating body, and the rotating body has a rotatably corresponding shaft coupled to the shaft connecting portion a rotating shaft, the rotating shaft has a surrounding contact surface, wherein the surrounding contact surface is formed by a plurality of sides and has a polygonal shape, and the extending member elastically abuts against any one of the sides of the surrounding contact surface to position the electric burning rod .

The invention further provides a medical electric burner comprising: a body having a shaft joint disposed along an axial direction of the body; a control structure disposed on the body, the control structure including a radial elasticity at the shaft joint a telescopic piece; and an electric burning module comprising a rotating body and an electric burning rod inserted into the rotating body, the rotating body having a rotating shaft rotatably correspondingly coupled to the shaft connecting portion, The shaft has one a ring groove, the groove bottom of the ring groove forms a circumferential contact surface, the surrounding contact surface is formed by a plurality of sides and has a polygonal shape, and the telescopic member elastically extends into the ring groove to block the rotation shaft from coming out. The telescopic member is elastically abutted against any one of the sides of the surrounding contact surface; wherein, when the telescopic member is pulled, the telescopic member is elastically retracted to withdraw from the ring groove of the rotating shaft, In order to be able to discharge the electrocautery module.

Compared with the prior art, the present invention has the following effects: it can have a frustrating positioning feeling when the electric burning rod is turned, so that the applicator can clearly know the accurate rotation angle of the electric burning rod.

1‧‧‧ Ontology

11‧‧‧Axis joint

111‧‧‧Second perforation

2‧‧‧Control structure

21‧‧‧Flexible parts

211‧‧‧ fixed end

212‧‧‧Abutment

213‧‧‧ protruding parts

22‧‧‧ hollow tube

22a‧‧‧ cover

22b‧‧‧Cylinder

221‧‧‧ first perforation

222‧‧‧ buckle department

223‧‧‧Snap body

23‧‧‧ Pulling cap

231‧‧‧Fixed holes

24‧‧‧Flexible components

3, 3a‧‧‧Electric burning module

31‧‧‧Electric burning rod

311‧‧‧ recessed hole

32‧‧‧Swing

320‧‧‧ Combination hole

3201‧‧‧Card Department

321‧‧‧ shaft

321a, 321b‧‧‧ shaft half

3211‧‧‧ ring groove

3212‧‧‧round contact surface

3213‧‧‧Bump

322‧‧‧Carcass

1 is a perspective view of an electric burner of the present invention.

Figure 2 is a partial perspective view of a first embodiment of an electric burner of the present invention.

Figure 3 is an exploded perspective view of the first embodiment of the electric burner of the present invention.

Figure 4 is a cross-sectional view showing a first embodiment of the electric burner of the present invention.

Figure 5 is a cross-sectional view showing the electrocautery module of the first embodiment of the electric burner of the present invention.

Figure 6 is a partial exploded perspective view of the first embodiment of the electric burner according to the present invention at different viewing angles.

Figure 7 is a partial perspective view of a second embodiment of the electric burner of the present invention.

Figure 8 is a perspective exploded view of a second embodiment of the electric burner of the present invention.

Figure 9 is a cross-sectional view showing a second embodiment of the electric burner of the present invention.

Figure 10 is a cross-sectional view showing the second embodiment of the electric burner of the present invention when it is discharged from the electrocautery module.

Figure 11 is a cross-sectional view showing the second embodiment of the electric burner according to the present invention when the electric burning module is inserted.

The detailed description and technical content of the present invention are set forth below with reference to the accompanying drawings.

The invention provides a medical electric burner, as shown in FIG. 1 , comprising a body 1 , a control structure 2 and an electrocautery module 3 . The main body 1 has a shaft joint portion 11 , and the shaft joint portion 11 is disposed along the axial direction of the body 1 . The control structure 2 is radially disposed on the shaft joint portion 11 . The electric combustion module 3 is axially connected to the shaft joint portion 11 .

2, 3, 4, 5 and 6, a first embodiment of the electric burner of the present invention.

As shown in FIG. 2 and FIG. 3, the control structure 2 includes a telescopic member 21, and the telescopic member 21 is radially elastically stretchable and contractible to the shaft joint portion 11.

The electric combustion module 3 includes an electric burning rod 31 and a rotating body 32. The rotating body 32 has a rotating shaft 321 , and the rotating shaft 321 is rotatably coupled to the shaft connecting portion 11 so that the rotating body 32 can be applied accordingly. The force is turned. The electric burning rods 31 are inserted into the rotating body 32 and interlocked with each other; the rotating shaft 321 has a surrounding contact surface 3212, and the surrounding contact surface 3212 is formed by a plurality of sides and has a polygonal shape (ie, a polygonal surrounding contact surface 3212, see FIG. 2). The telescopic member 21 is elastically abutted against the surrounding contact surface 3212 via the shaft portion 11 and is elastically abutted on either side of the aforementioned sides, and the electric burning rod 31 is simultaneously coupled with the rotating shaft 321 Position it.

In this embodiment, the control structure 2 further includes a hollow cylinder 22, A pull cap 23 and an elastic member 24 are illustrated as follows.

The first end (not shown) of the hollow cylinder 22 is radially connected to the shaft joint portion 11. The second end (not labeled) of the hollow cylinder 22 opposite to the first end defines a first through hole 221, and the shaft joint portion 11 A second through hole 111 (see FIG. 6) is defined in the first end position of the hollow cylinder 22, and the extension member 21 and the elastic member 24 are disposed in the hollow cylinder 22. Preferably, the hollow cylinder 22 includes a cylinder 22b radially connected to the shaft portion 11 and a cover 22a which is sleeved outside the cylinder 22b.

Therefore, the cover body 22a is provided with a plurality of latching portions 222 and the first through holes 221; and the column body 22b is provided with a plurality of latching bodies 223 corresponding to the respective latching portions 222. Therefore, when the lid body 22a is overlaid on the outside of the column body 22b, the respective snap bodies 223 of the column body 22b are snap-fitted to the respective hooking portions 222 of the lid body 22a to be fixed to each other.

The telescopic member 21 has a fixed end 211 and an abutting end 212 opposite to the fixed end 211. The fixing end 211 of the telescopic member 21 is fixed to the pull cap 23 through the first through hole 221, and the abutting end 212 of the telescopic member 21 protrudes from the second through hole 111; the elastic member 24 elastically supports the telescopic member 21 to make the telescopic member The abutting end 212 of the 21 can elastically abut against either side of the surrounding contact surface 3212. Preferably, as shown in FIG. 3 and FIG. 4, a protruding portion 213 is further protruded between the fixing end 211 and the abutting end 212 of the telescopic member 21, and the elastic member 24 is sleeved on the telescopic member 21 to make the elastic member. 24 is elastically supported between the inner wall of the cover 22a and the projection 213.

The fastening cap 211 is fixed to the fixing hole 231 of the pull cap 23, so that the pull cap 23 and the hollow cylinder 22 are connected in series to the telescopic member 21. As for the fixing of the telescopic member 21 and the pull cap 23 For example, the following description is given, but not limited thereto: the fixing end 211 of the telescopic member 21 first passes through the fixing hole 231, and then the fixing end 211 is correspondingly positioned to the fixing hole 231 of the pull cap 23 by hot melt. Welding.

As shown in FIG. 3 and FIG. 5, in the electrothermal module 3, the rotating body 32 and the rotating shaft 321 thereof may be integrally formed (not shown), or may be a combined design as shown. The rotating body 32 and the rotating shaft 321 thereof may be combined as follows, but not limited thereto: the inner peripheral edge of the combined hole 320 of the rotating body 32 is provided with a plurality of latching portions 320, and the outer peripheral edge of the rotating shaft 321 is provided with corresponding The plurality of latching bodies 322 of the latching portion 320 are positioned such that the rotating shaft 321 is coupled to the rotating body 32.

In addition, in order to connect the electric welding 31 to the rotating shaft 321 , as shown in FIG. 3 , the rotating shaft 321 can be designed to be opposite to each other, but not limited thereto. As shown in the figure, the rotating shaft 321 includes a pair of rotating shaft halves 321a and 321b which are mutually engageable, and the electric burning rod 31 has a plurality of concave holes 311, and the rotating shaft halves 321a and 321b are provided with a plurality of convex portions corresponding to the respective concave holes 311. The post 3213 is such that the electric welding 31 is interlocked with the rotating shaft 321 after the two rotating shaft halves 321a and 321b are joined.

Thereby, as shown in FIG. 2 and FIG. 4, when the abutting end 212 of the telescopic member 21 elastically abuts against any one of the plurality of sides of the surrounding contact surface 3212, the telescopic member 21 at this time is downwardly convex. The abutting positioning state causes the rotating shaft 321 to be temporarily positioned; if the force applicator then rotates the rotating body 32 with the finger, the other sides of the surrounding contact surface 3212 of the rotating shaft 321 will be elastically abutted by the abutting end 212 in sequence. And when the abutting end 212 is elastically abutted from the side to the lower side, the force applicator feels a clear set of positioning feel, so that the applicator knows that he has turned the electric burning rod 31. The angle of rotation is convenient for the force appreciator to adjust accurately. Of course, when the urging member dials the rotating body 32, the urging sound is also simultaneously emitted by the abutting end 212 on either side of the surrounding contact surface 3212.

When the abutting end 212 elastically abuts between one side and the other side of the surrounding contact surface 3212 (not shown), the telescopic member 21 at this time is in a loosened state of retracting upward, so that the rotating shaft 321 Not positioned.

As shown in FIG. 6 , the abutting end 212 of the telescopic member 21 can be a non-circular body. For example, the cross-section of the telescopic member 21 can be a “T” shape as shown in the figure, but not limited thereto. Other shapes are available. The shape of the second through hole 111 is also a non-circular hole corresponding to the abutting end 212, so that the telescopic member 21 has a non-circular abutting end 212, and is also non-circular when interspersed. When the second perforations 111 of the shape are shaped, they can be restrained from each other and the telescopic member 21 cannot be rotated.

As shown in Fig. 7, Fig. 8, Fig. 9, Fig. 10 and Fig. 11, a second embodiment of the electric burner of the present invention is shown. The second embodiment of the present invention is substantially the same as the foregoing first embodiment. In the difference, only one ring groove 3211 is formed in the rotating shaft 321 , and the groove bottom of the ring groove 3211 is a circumferential contact surface in the polygonal shape in the foregoing first embodiment. 3212. Therefore, as shown in FIGS. 9 and 10, the abutting end 212 of the telescopic member 21 must first pass through the ring groove 3211 before being elastically abutted against the surrounding contact surface 3212.

By the design of the ring groove 3211, when the abutting end 212 of the telescopic member 21 elastically protrudes into the ring groove 3211, the rotating shaft 321 can be prevented from coming out away from the body 1 to make electricity. The burning module 3 can be detachably coupled to the shaft joint portion 11 of the body 1 without being easily detached.

As shown in FIG. 10, when the electrothermal module 3 is to be detached, the urging member can pull the cap 23 to elastically retract the telescopic member 21 and exit the ring groove 3211. Therefore, the rotating shaft 321 of the electric burning module 3 is no longer restricted by the telescopic member 21, and the electric burning module 3 can be detached away from the main body 1. At this time, if the applicator releases the pull cap 23, the elastic member 24 can be elastically stretched to push the telescopic member 21, and the abutting end 212 of the telescopic member 21 can again protrude from the second through hole 111.

As shown in FIG. 11, when another electrocautery module 3a is to be assembled, the rotation shaft 321 of the other electrocautery module 3a may be axially connected to the shaft joint portion 11 of the main body 1. As shown in the figure, when the shaft is connected, the portion of the abutting end 212 having the leading angle (not shown) is oriented away from the body 1, just corresponding to the rear end of the rotating shaft 321, so that the rear end of the rotating shaft 321 will be able to The above-mentioned guide angle pushes up the telescopic member 21 upward (see FIG. 11) until the abutting end 212 passes over the rear end of the rotating shaft 321, so that the abutting end 212 of the telescopic member 21 elastically projects into the ring groove 3211 again ( Referring to FIG. 9), the assembly and positioning of another electrocautery module 3a is completed, and the beneficial effects of replacing the electrosurgical modules 3 and 3a are achieved. In addition, since the abutting end 212 of the telescopic member 21 has a non-circular shape and cannot be rotated, the portion of the telescopic member 21 having the lead angle is not offset, thereby ensuring that the rear end of the rotating shaft 321 can be topped up. Push.

In summary, the first and second embodiments of the present invention have the following effects as compared with the prior art: they can have a frustrating positioning feel when the electric burning rod 31 is turned, so that the applicator can clearly know the electric burning rod 31 is accurate. The angle of rotation is convenient for the force applicator to perform the electric burning operation.

In addition, the second embodiment of the present invention has other functions: it can be easily replaced. Different electrocautery modules 3 (3a) are used to differently use different electrocautery modules for different patients to avoid infection.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structural changes of the present invention and the contents of the drawings are all included in the present invention. Within the scope of the rights, it is given to Chen Ming.

1‧‧‧ Ontology

11‧‧‧Axis joint

2‧‧‧Control structure

21‧‧‧Flexible parts

211‧‧‧ fixed end

212‧‧‧Abutment

22‧‧‧ hollow tube

223‧‧‧Snap body

23‧‧‧ Pulling cap

3‧‧‧Electric burning module

31‧‧‧Electric burning rod

32‧‧‧Swing

321‧‧‧ shaft

3212‧‧‧round contact surface

Claims (12)

A medical electric burner includes: a body having a shaft joint disposed along an axial direction of the body; a control structure disposed on the body, the control structure including a telescopic tube capable of elastically expanding and contracting radially in the shaft joint portion a hollow cylinder, a pull cap and an elastic member, the hollow cylinder is radially connected to the shaft joint, the first end of the hollow cylinder is opened with a first perforation, and the shaft joint is opened at the other end of the hollow cylinder The second end of the telescopic member is fixed to the pull cap through the first through hole, and the other end of the telescopic member protrudes from the second through hole, and the elastic member elastically supports the telescopic member to make the telescopic member The other end is elastically abutted against the surrounding contact surface; and an electric firing module includes a rotating body and an electric burning rod inserted into the rotating body, the rotating body having a rotatably corresponding shaft coupled to the shaft a rotating shaft of the connecting portion, the rotating shaft has a surrounding contact surface, wherein the surrounding contact surface is formed by a plurality of sides and has a polygonal shape, and the telescopic member elastically abuts against any one of the sides of the surrounding contact surface to position the electric Burning rod. The medical electric burner according to claim 1, wherein a protruding portion is protruded between the one end and the other end of the telescopic member, the elastic member is sleeved on the telescopic member, and the elastic member is elastically supported on the elastic member. An inner wall of the one end of the hollow cylinder and the protruding portion. The medical electric burner according to claim 1, wherein the pull cap and the hollow cylinder are connected in series to the telescopic member. The medical electric burner according to claim 1, wherein the pull cap has a fixing hole, and the telescopic member passes through the fixing hole, and the one end of the telescopic member is fixed to the pull cap corresponding to the fixing hole. . The medical electric burner according to claim 1, wherein the hollow cylinder comprises a cylinder connected to the shaft joint and a cover sleeve covering the cylinder, the cover body is provided with the first And a plurality of latching portions, wherein the latching body is provided with a plurality of latching bodies corresponding to the latching portions, and each of the latching bodies is fastened to each of the latching portions. The medical electric burner according to claim 1, wherein the other end of the telescopic member is a non-circular body, and the shape of the second perforation is a non-circular hole corresponding to the non-circular body, so that The non-circular body of the telescopic member is inserted into the non-circular hole and cannot be rotated. A medical electric burner includes: a body having a shaft joint disposed along an axial direction of the body; a control structure disposed on the body, the control structure including a telescopic tube capable of elastically expanding and contracting radially in the shaft joint portion a hollow tube, an elastic member and a pull cap, the hollow cylinder is radially connected to the shaft joint, the first end of the hollow cylinder is opened with a first perforation, and the shaft joint is opened at the other end of the hollow cylinder The second end of the telescopic member is fixed to the pull cap through the first through hole, and the other end of the telescopic member protrudes from the second through hole, and the elastic member elastically supports the telescopic member to make the telescopic member The other end is elastically abutted against the surrounding contact surface through the ring groove; and an electric firing module includes a rotating body and an electric burning rod inserted into the rotating body, the rotating body having a rotatable manner Corresponding to a rotating shaft of the shaft connecting portion, the rotating shaft defines a ring groove, and the groove bottom of the ring groove forms a surrounding contact surface, and the surrounding contact surface is formed by a plurality of sides and has a polygonal shape. Elastically extending into the groove of the ring to stop The rotating shaft is disengaged, and the telescopic member is elastically abutted against any one of the sides of the surrounding contact surface; wherein, when the telescopic member is pulled, the telescopic member is elastically retracted from the ring of the rotating shaft concave The slot exits to be able to disengage the electrocautery module. The medical electric burner according to claim 7, wherein a protruding portion is protruded between the one end and the other end of the telescopic member, the elastic member is sleeved on the telescopic member, and the elastic member is elastically supported on the elastic member. An inner wall of the one end of the hollow cylinder and the protruding portion. The medical electric burner according to claim 7, wherein the pull cap and the hollow cylinder are connected in series to the telescopic member. The medical electric burner according to claim 7, wherein the pull cap defines a fixing hole, the telescopic member passes through the fixing hole, and the one end of the telescopic member is fixed to the pull cap corresponding to the fixing hole. . The medical electric burner according to claim 7, wherein the hollow cylinder comprises a cylinder connected to the shaft joint and a cover body covering the cylinder body, the cover body is provided with the first body And a plurality of latching portions, wherein the latching body is provided with a plurality of latching bodies corresponding to the latching portions, and each of the latching bodies is fastened to each of the latching portions. The medical electric burner according to claim 7, wherein the other end of the telescopic member is a non-circular body, and the shape of the second perforation is a non-circular hole corresponding to the non-circular body, so that The non-circular body of the telescopic member is inserted into the non-circular hole and cannot be rotated.