CN215821144U - Telescopic knife handle for controlling high-frequency ablation electrode - Google Patents
Telescopic knife handle for controlling high-frequency ablation electrode Download PDFInfo
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- CN215821144U CN215821144U CN202122369481.1U CN202122369481U CN215821144U CN 215821144 U CN215821144 U CN 215821144U CN 202122369481 U CN202122369481 U CN 202122369481U CN 215821144 U CN215821144 U CN 215821144U
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- rotary drum
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- slide bar
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Abstract
The utility model relates to a telescopic knife handle for controlling a high-frequency ablation electrode, which comprises a shell, a rotary drum, a sliding rod and an electrode, wherein the shell is provided with a plurality of grooves; a first through hole and a second through hole are respectively formed in two ends of the shell; the rotary drum is positioned in the shell, the rotary drum is in a cylindrical shape with one end opened, the rotary drum penetrates through the first through hole, the rotary drum is rotatably connected with the first through hole, and threads are formed in the inner side of the rotary drum; the sliding rod penetrates through the second through hole, the sliding rod is in sliding connection with the second through hole, one end of the sliding rod is located in the rotary drum, the other end of the sliding rod penetrates out of the rotary drum, the sliding rod is of a square lead screw structure, and the sliding rod is in threaded transmission with the rotary drum; one end of the slide bar, which penetrates out of the rotary drum, is fixedly connected with an electrode. When the slide bar needs to be extended, the part of the rotary drum outside the shell is rotated, the slide bar can move relatively relative to the rotary drum under the action of the threads, so that the extension of the slide bar is realized, the electrode can not rotate due to the cooperation of the second penetrating hole and the slide bar, and the slide bar slides in the extension direction, so that the slide bar is more stable.
Description
Technical Field
The utility model relates to the field of control of high-frequency ablation electrodes, in particular to a telescopic knife handle for control of high-frequency ablation electrodes.
Background
The ablation electrode utilizes the high-frequency current to generate heat effect on local biological tissues, so that the tissues or tissue components are vaporized to generate eschar or burst, and the purposes of medical operations such as blood coagulation or cutting are achieved. The ablation electrode is widely used in clinic at present, but most of the model specifications of the ablation electrode are fixed in length of a cutter head, and the phenomenon that a superficial operation and a deep operation must be completed in the same operation is often encountered during the operation, so that medical staff need to be equipped with the ablation electrodes with different fixed lengths to deal with the corresponding operations, the working strength of the medical staff is caused, and the operation time is prolonged.
The operation electrode of the existing ablation electrode can slide longitudinally and rotate per se, and the consequence is that the body tissue of a patient is injured by mistake.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a telescopic knife handle for controlling a high-frequency ablation electrode, which solves the problems that an operation electrode of the ablation electrode can longitudinally slide and rotate.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a telescopic knife handle for controlling a high-frequency ablation electrode comprises a shell, a rotary drum, a sliding rod and an electrode; a first through hole and a second through hole are formed in two ends of the shell respectively;
the rotary drum is positioned in the shell, the rotary drum is in a cylindrical shape with an opening at one end, the rotary drum penetrates through the first through hole, the rotary drum is rotatably connected with the first through hole, and threads are formed in the inner side of the rotary drum; the sliding rod penetrates through the second through hole, the sliding rod is connected with the second through hole in a sliding mode, one end of the sliding rod is located in the rotary drum, the other end of the sliding rod penetrates out of the rotary drum, the sliding rod is of a square screw rod structure, and the sliding rod and the rotary drum are in threaded transmission; and one end of the sliding rod, which penetrates out of the rotary drum, is fixedly connected with an electrode.
Further, in the casing, fixedly connected with first bearing on the plane that first hole place that passes, the inner circle of first bearing with rotary drum fixed connection, in the casing, fixedly connected with second bearing on the plane that the second hole place that passes, the inner circle of second bearing with rotary drum fixed connection.
Furthermore, one closed end of the rotary drum is fixedly connected with a power assisting head, and friction grains are arranged on the power assisting head.
Furthermore, a connecting shaft sleeve is fixedly connected to the plane where the first through hole is formed, an annular convex block is fixed in the connecting shaft sleeve, a limiting groove is formed in one end, close to the shell, of the power assisting head, and the annular convex block is located in the limiting groove.
Furthermore, a limiting block is fixedly connected to the slide rod and located between the slide rod and the rotary drum, and the limiting block is used for preventing the slide rod from sliding out of the rotary drum completely.
Further, the limiting block is located on the sliding rod and close to the position of the first through hole.
Furthermore, the slide bar is of a hollow structure and further comprises a lead, one end of the lead is connected with the electrode, and the other end of the lead penetrates through the closed end of the rotary drum and is electrically connected with power supply equipment.
The utility model has the beneficial effects that:
the rotary drum can rotate in the casing, and the one end of rotary drum passes first hole that passes, the slide bar is with rotary drum threaded connection, the slide bar adopts the square lead screw structure, the slide bar passes hole sliding connection with the second, it can not pass the hole relative rotation for the second to mean that the slide bar can not take place, when needs are elongated the slide bar, rotate the part of rotary drum outside the casing, the slide bar can take place relative movement for the rotary drum under the effect of screw thread, thereby realize the extension of slide bar, the one end fixedly connected with electrode of slide bar, thereby make can reach appointed position of electrode, because the second passes the hole and makes the electrode can not take place to rotate with the cooperation of slide bar, and adjust the screw thread transmission through the rotation of rotary drum, as long as do not touch the rotary drum, give tangential force of rotary drum, the slide bar in the extension volume ascending slip just can not take place, make the slide bar more stable.
Drawings
FIG. 1 is a schematic sectional structure view of a telescopic handle for controlling a high-frequency ablation electrode;
FIG. 2 is an enlarged view of the right side of a section rotary drum of a telescopic handle for controlling the high-frequency ablation electrode;
FIG. 3 is a schematic view of the external overall structure of a telescopic handle for controlling a high-frequency ablation electrode;
fig. 4 is a sectional view of a sliding rod of a telescopic knife handle for controlling the high-frequency ablation electrode.
Names corresponding to the marks in the figure:
1-a shell; 2-a rotating drum; 21-a first bearing; 22-a second bearing; 3-a slide bar; 31-a limiting block; 4-an electrode; 5-a booster head; 51-friction lines; 6-connecting the shaft sleeve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment of the utility model comprises the following steps:
referring to the attached drawings 1-4, the telescopic knife handle for controlling the high-frequency ablation electrode comprises a shell 1, a rotary drum 2, a sliding rod 3, an electrode 4 and a lead. The rotary drum 2 rotates in the shell 1, the rotary drum 2 is internally threaded with the slide rod 3, the slide rod 3 is controlled to extend out of the rotary drum 2 through the rotation of the rotary drum 2, the electrode 4 is fixedly connected with the right end of the slide rod 3, one end of the lead is electrically connected with the electrode 4, and the other end of the lead is electrically connected with the power supply equipment.
The first hole that passes has been seted up to the right-hand member of casing 1, and the second has been seted up at the left end of casing 1 and has passed the hole, and first passing is used for passing rotary drum 2, and the second passes the hole and is used for passing slide bar 3.
The lieing in casing 1 of rotary drum 2, rotary drum 2 is left end open-ended tube-shape, first hole that passes is worn out to the right-hand member of rotary drum 2, the first bearing 21 of left side fixedly connected with of the right-hand member face of casing 1 (that is to say, first bearing 21 is located casing 1), first bearing 21 overlaps on rotary drum 2, the outer lane of first bearing 21 and the right-hand member face fixed connection of casing 1, the inner circle of first bearing 21 and the lateral surface fixed connection of rotary drum 2, fixedly connected with second bearing 22 (that is to say, second bearing 22 is located casing 1 on the right side of the right-hand member face of casing 1, the second bearing overlaps on rotary drum 2, the right-hand member face fixed connection of the outer lane casing 1 of second bearing 22, the inner circle of second bearing 22 and the lateral surface fixed connection of rotary drum 2. By the arrangement of the first bearing 21 and the second bearing 22, the drum 2 is more stable and does not slip during rotation.
2 right-hand member fixed connection helping hand heads of rotary drum 5, helping hand head 5 has seted up the spacing groove near the position on right side, and the right side fixedly connected with connecting sleeve 6 of 1 right-hand member face of casing is fixed with annular lug in the connecting sleeve 6, and annular lug is located the spacing inslot. Because the right-hand member of rotary drum 2 bulges casing 1, in order to prevent that rotary drum 2 from taking place to damage, further increase rotary drum 2's stability through connecting sleeve 6, helping hand head 5 is equipped with friction line 51 on being close to the partial lateral surface of right-hand member, conveniently rotates rotary drum 2 in the use.
The rotary drum 2 rotates relative to the first through hole, and the inner side of the rotary drum 2 is provided with threads; the slide bar 3 passes through the second passing hole, the slide bar 3 is in sliding connection with the second passing hole, the right end of the slide bar 3 is positioned in the rotary drum 2, the left end of the slide bar 3 penetrates out of the rotary drum 2, the slide bar 3 is of a square screw structure, the second passing hole just can pass through the slide bar 3, the slide bar 3 cannot rotate in the second passing hole, and the slide bar 3 and the rotary drum 2 are in threaded transmission; the rotary drum 2 can be rotated by rotating the power assisting head 5 on the right side of the rotary drum 2, so that the sliding rod 3 can stretch in the rotary drum 2, and the electrode 4 is fixedly connected to the right end, penetrating out of the rotary drum 2, of the sliding rod 3.
A limiting block 31 is fixedly connected to the slide rod 3, the limiting block 31 is located between the slide rod 3 and the rotary drum 2, the limiting block 31 is located on the slide rod 3 and close to the right end, when the slide rod 3 is located on the leftmost side, the limiting block 31 is blocked by the left end face of the shell 1, the slide rod 3 cannot continue to move leftwards, and therefore the purpose of preventing the slide rod 3 from sliding out of the rotary drum 2 completely is achieved. Meanwhile, the situation that the part of the slide rod 3 extending out of the rotary drum 2 is too much to cause the slide rod 3 to shake is avoided.
The slide bar 3 is a hollow structure, the left end of a lead is connected with the electrode 4, the lead penetrates through the inner cavity of the slide bar 3, the inner cavity of the roller, and the right end of the roller 2 is electrically connected with a power supply device.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (7)
1. A telescopic knife handle for controlling a high-frequency ablation electrode is characterized by comprising a shell, a rotary drum, a sliding rod and an electrode;
a first through hole and a second through hole are formed in two ends of the shell respectively;
the rotary drum is positioned in the shell, the rotary drum is in a cylindrical shape with an opening at one end, the rotary drum penetrates through the first through hole, the rotary drum is rotatably connected with the first through hole, and threads are formed in the inner side of the rotary drum;
the sliding rod penetrates through the second through hole, the sliding rod is connected with the second through hole in a sliding mode, one end of the sliding rod is located in the rotary drum, the other end of the sliding rod penetrates out of the rotary drum, the sliding rod is of a square screw rod structure, and the sliding rod and the rotary drum are in threaded transmission; and one end of the sliding rod, which penetrates out of the rotary drum, is fixedly connected with an electrode.
2. The telescopic handle for the high-frequency ablation electrode manipulation according to claim 1, wherein a first bearing is fixedly connected to a plane where the first through holes are formed in the shell, an inner ring of the first bearing is fixedly connected to the rotary drum, a second bearing is fixedly connected to a plane where the second through holes are formed in the shell, and an inner ring of the second bearing is fixedly connected to the rotary drum.
3. The telescopic handle of a knife for operating a high-frequency ablation electrode according to claim 1, wherein a booster head is fixedly connected to the closed end of the rotary drum, and friction grains are arranged on the booster head.
4. The telescopic handle of a knife for operating a high-frequency ablation electrode according to claim 3, wherein a connecting shaft sleeve is fixedly connected to a plane where the first through hole is located, an annular convex block is fixed in the connecting shaft sleeve, a limiting groove is formed in one end, close to the shell, of the power assisting head, and the annular convex block is located in the limiting groove.
5. The telescopic handle of a knife for operating a high-frequency ablation electrode according to claim 1, wherein a limiting block is fixedly connected to the slide bar and positioned between the slide bar and the rotary drum, and the limiting block is used for preventing the slide bar from sliding out of the rotary drum.
6. The telescopic handle for manipulating a high-frequency ablation electrode according to claim 5, wherein the limiting block is located on the slide bar at a position close to the first through hole.
7. The telescopic handle of a knife for operating and controlling the high-frequency ablation electrode according to claim 1, wherein the sliding rod is of a hollow structure and further comprises a lead, one end of the lead is connected with the electrode, and the other end of the lead penetrates through the closed end of the rotary drum and is electrically connected with a power supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122369481.1U CN215821144U (en) | 2021-09-27 | 2021-09-27 | Telescopic knife handle for controlling high-frequency ablation electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122369481.1U CN215821144U (en) | 2021-09-27 | 2021-09-27 | Telescopic knife handle for controlling high-frequency ablation electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821144U true CN215821144U (en) | 2022-02-15 |
Family
ID=80201605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122369481.1U Active CN215821144U (en) | 2021-09-27 | 2021-09-27 | Telescopic knife handle for controlling high-frequency ablation electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821144U (en) |
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2021
- 2021-09-27 CN CN202122369481.1U patent/CN215821144U/en active Active
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