CN216365251U - Electric knife capable of preventing secondary damage - Google Patents
Electric knife capable of preventing secondary damage Download PDFInfo
- Publication number
- CN216365251U CN216365251U CN202122647612.8U CN202122647612U CN216365251U CN 216365251 U CN216365251 U CN 216365251U CN 202122647612 U CN202122647612 U CN 202122647612U CN 216365251 U CN216365251 U CN 216365251U
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- Prior art keywords
- knife
- button
- electric
- protective sheath
- head
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- Expired - Fee Related
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- 230000006378 damage Effects 0.000 title claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 49
- 238000009297 electrocoagulation Methods 0.000 claims description 15
- 238000005345 coagulation Methods 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of high-frequency electric knives, and particularly relates to an electric knife capable of preventing secondary damage, which comprises a built-in electric knife and a protective sheath, wherein the built-in electric knife is arranged in the protective sheath, the built-in electric knife comprises a knife body, the front end of the knife body is provided with a knife head, the knife body is provided with a push button and a positioning button, the protective sheath is provided with a positioning groove, the push button is pushed forwards during operation, the positioning button is clamped in the positioning groove, so that the knife head extends out of a small section from the front end of the protective sheath, the rest parts of the knife head are hidden in the protective sheath, and the protective sheath plays a role in isolating and protecting the knife head and cut tissues at the moment, and prevents the knife head from being exposed too much to cause secondary damage to human tissues; the front end of the front conical head of the protective sheath is provided with a hollow sleeve part which can support the cutter head, so that the stability of the cutter head in operation is good; the electric knife for preventing the auxiliary injury is convenient to control and is suitable for precise operation in the operation.
Description
Technical Field
The utility model belongs to the technical field of high-frequency electrotomes, and particularly relates to an electrotome capable of preventing secondary damage.
Background
The high-frequency electric scalpel for operation is a high-frequency operation device, and can be generally used in the field of surgery, and can be used for replacing mechanical operation knife to cut tissue, and can be used for heating tissue when the high-frequency (usually 200 kHz-3 MHz) high-voltage current is produced by the tip of an electrode and is contacted with the body, so that the separation and solidification of the body tissue are realized, and the purposes of cutting and hemostasis are achieved. For example, in the prior art, chinese patent publication No. CN213406255U describes a split-type high-frequency medical knife, which includes a high-frequency transmitter, and the high-frequency transmitter provides high-frequency pulse current to the connected knife, so that the knife can be used in surgery as a knife.
The existing electric knife has the defects that when the operation electric knife is placed in an operation area to cut or coagulate tissues, other tissues and organs are easily damaged by the knife head, and in severe cases, complications can be caused, and even the lives of patients are threatened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electric knife capable of preventing secondary damage, and solves the technical problem that in the use process of the electric knife for operation in the prior art, the risk of secondary damage to other tissues beside an incision is caused.
In order to solve the technical problems, the utility model adopts the following technical scheme:
provided is an electric knife for preventing secondary damage, comprising:
the electric knife comprises a knife body, a knife head is arranged at the front end of the knife body, an electric coagulation circuit and an electric cutting circuit which are electrically connected to the knife head are arranged in the knife body, and an electric coagulation button for controlling the on-off of the electric coagulation circuit and an electric cutting button for controlling the on-off of the electric cutting circuit are arranged on the knife body;
the built-in electric knife is arranged in the protective sheath, and a spring is arranged between the knife body and the protective sheath; the cutter body is provided with a push button, the protective sheath is provided with a button groove, and the electrocoagulation button, the electrotomy button and the push button are arranged in the button groove;
the cutter body is also provided with a positioning button, the protective sheath is correspondingly provided with a positioning groove, when the pushing button is pushed forwards, the positioning button is clamped in the positioning groove, and the cutter head extends out of the front end of the protective sheath; when the positioning button is pressed, the positioning button is separated from the positioning groove under the action of the spring, the built-in electrotome moves backwards, and the cutter head retracts into the protective sheath.
Preferably, the spring is arranged at the front end inside the protective sheath and sleeved on the cutter head, and the rear end of the spring abuts against the front end of the cutter body.
Preferably, the protective sheath comprises a middle cylinder, a front conical head and a rear cover, and the front conical head and the rear cover are respectively screwed at the front end and the rear end of the middle cylinder;
the front end of the front conical head is provided with a tool bit telescopic hole, and the rear end of the rear cover is provided with an electric wire through hole.
Preferably, the front end of the front conical head is provided with an elongated hollow sleeve part.
Preferably, the electrocoagulation button, the electrotomy button and the pushing button are all positioned on the upper side of the middle part of the cutter body, and the positioning button is positioned on the lower side of the front part of the cutter body.
Compared with the prior art, the utility model has the beneficial effects that: the electric knife capable of preventing the auxiliary damage comprises a built-in electric knife and a protective sheath, wherein the built-in electric knife is arranged in the protective sheath, the built-in electric knife comprises a knife body, a knife head is arranged at the front end of the knife body, a pushing button and a positioning button are arranged on the knife body, a positioning groove is formed in the protective sheath, the pushing button is pushed forwards during the operation, the positioning button is clamped in the positioning groove, the knife head stretches out of a small section from the front end of the protective sheath, the rest parts of the knife head are hidden in the protective sheath, and the protective sheath plays a role in isolating and protecting the knife head and the cut tissue and prevents the knife head from being exposed too much to cause the auxiliary damage to the human tissue; the front end of the front conical head of the protective sheath is provided with a hollow sleeve part which can support the cutter head, so that the stability of the cutter head in operation is good; the electric knife for preventing the auxiliary injury is convenient to control and is suitable for precise operation in the operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1- (A) is a schematic structural view of a protective sheath in an embodiment of an electric knife for preventing collateral damage according to the present invention; FIG. 1- (B) is a schematic structural view of a built-in electrotome according to an embodiment of the present invention; fig. 1- (C) is a schematic view illustrating an assembly of a built-in electric knife and a protective sheath in an embodiment of the electric knife for preventing secondary damage according to the present invention.
FIG. 2- (D) is a schematic perspective view of an embodiment of an electrotome for preventing collateral damage according to the present invention; fig. 2- (E) is a schematic structural view of an embodiment of an electric knife for preventing secondary damage according to the present invention when the knife head is extended.
In the drawings, each reference numeral means: the electric coagulation electric cutter comprises a cutter body 1, a cutter head 11, an electric wire 12, an electrocoagulation button 13, an electrotomy button 14, a push button 15, a positioning button 16, a middle cylinder 2, a front conical head 21, a hollow sleeve part 211, a rear cover 22, a spring 23, an electric wire protective sleeve 24, a button groove 25 and a positioning groove 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An electric knife for preventing secondary injury, please refer to fig. 1 and fig. 2.
The electric knife capable of preventing the auxiliary damage comprises a built-in electric knife as shown in figure 1- (B), the built-in electric knife comprises a knife body 1, the front end of the knife body 1 is provided with a knife head 11, the knife body 1 can be made of insulating plastics, the knife head 11 is a slender electric conductor, an electrocoagulation circuit and an electrotomy circuit which are electrically connected to the knife head 11 are arranged in the knife body 1, electric wires 12 of the two circuits are connected out from the rear end of the knife body 1, the knife body 1 is provided with an electrocoagulation button 13 for controlling the on-off of the electrocoagulation circuit, and an electrotomy button 14 for controlling the on-off of the electrotomy circuit, wherein the electrocoagulation circuit and the electrotomy circuit belong to two different circuit controls, the current waveforms of the two circuits are different, wherein the electrocoagulation circuit is high-frequency current which is input at intervals, the electrotomy circuit is high-frequency current which is input continuously, thus, when the electrocoagulation circuit is switched on, the cutter head 11 can coagulate the tissue, and when the electrotomy circuit is switched on, the cutter head 11 can cut the tissue.
The electric knife capable of preventing the auxiliary damage further comprises a protective sheath shown in figure 1- (A), wherein the protective sheath comprises a middle cylinder 2, a front conical head 21 and a rear cover 22, and the front conical head 21 and the rear cover 22 are respectively screwed at the front end and the rear end of the middle cylinder 2; referring to fig. 1- (C), the built-in electric knife is disposed in the protective sheath, the front conical head 21 and the rear cover 22 of the protective sheath are unscrewed from the middle cylinder 2, the built-in electric knife can be disposed in the protective sheath, the spring 23 is disposed between the knife body 1 and the protective sheath, the spring 23 is disposed at the front end inside the protective sheath and is sleeved on the knife head 11, and the rear end of the spring 23 abuts against the front end of the knife body 1.
The front end of the front conical head 21 is provided with a slender hollow sleeve part 211, the front end of the hollow sleeve part 211 is a tool bit telescopic hole, so that the tool bit 11 can go in and out, the rear end of the rear cover 22 is provided with an electric wire perforation, the rear end of the rear cover 22 is provided with an electric wire protective sleeve 24, and the electric wire 12 is arranged in the electric wire protective sleeve 24 in a penetrating way.
As shown in fig. 1- (B), a push button 15 is provided on the cutter body 1, a button groove 25 is provided on the middle cylinder 2 of the protective sheath, and the electrocoagulation button 13, the electric cutting button 14 and the push button 15 are provided in the button groove 25, so that the electrocoagulation button 13, the electric cutting button 14 and the push button 15 are exposed outside the protective sheath, and the electrocoagulation button 13, the electric cutting button 14 and the push button 15 can be pushed.
As shown in fig. 1- (B), a positioning button 16 is further provided on the knife body 1, and a positioning groove 26 is correspondingly provided on the middle cylinder 2 of the protective sheath, as shown in fig. 2- (D), when the electric knife for preventing secondary damage is not in use, the knife head 11 retracts into the protective sheath, as shown in fig. 2- (E), when the push button 15 is pushed forward by a certain distance, the positioning button 16 is clamped in the positioning groove 26, and the knife head 11 extends out from the hollow sleeve portion 211 at the front end of the protective sheath, at this time, the spring 23 is compressed. Due to the hollow sleeve part 211, the cutter head 11 can be supported, so that the stability of the cutter head 11 is good.
The electrocoagulation button 13, the electrotomy button 14 and the propulsion button 15 are all positioned at the upper side of the middle part of the cutter body 1, and the positioning button 16 is positioned at the lower side of the front part of the cutter body 1, so that the buttons are convenient to operate and control.
When the positioning button 16 is clamped in the positioning groove 26, when the positioning button 16 is pressed, the cutter body 1 is pushed backwards under the action of the spring 23, so that the positioning button 16 is separated from the positioning groove 26, the whole built-in electrotome moves backwards, and the cutter head 11 retracts into the protective sheath. The part of the electric wire 12 in the protective sheath is in a spring-like telescopic state, so that the electric wire 12 does not interfere with the forward and backward movement of the built-in electric knife.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An electric knife for preventing collateral damage, comprising:
the electric knife comprises a knife body, a knife head is arranged at the front end of the knife body, an electric coagulation circuit and an electric cutting circuit which are electrically connected to the knife head are arranged in the knife body, and an electric coagulation button for controlling the on-off of the electric coagulation circuit and an electric cutting button for controlling the on-off of the electric cutting circuit are arranged on the knife body;
the built-in electric knife is arranged in the protective sheath, and a spring is arranged between the knife body and the protective sheath; the cutter body is provided with a push button, the protective sheath is provided with a button groove, and the electrocoagulation button, the electrotomy button and the push button are arranged in the button groove;
the cutter body is also provided with a positioning button, the protective sheath is correspondingly provided with a positioning groove, when the pushing button is pushed forwards, the positioning button is clamped in the positioning groove, and the cutter head extends out of the front end of the protective sheath; when the positioning button is pressed, the positioning button is separated from the positioning groove under the action of the spring, the built-in electrotome moves backwards, and the cutter head retracts into the protective sheath.
2. The electric knife for preventing collateral damage of claim 1, wherein: the spring is arranged at the front end inside the protective sheath and sleeved on the cutter head, and the rear end of the spring abuts against the front end of the cutter body.
3. The electric knife for preventing collateral damage of claim 1, wherein: the protective sheath comprises a middle cylinder, a front conical head and a rear cover, and the front conical head and the rear cover are respectively screwed at the front end and the rear end of the middle cylinder;
the front end of the front conical head is provided with a tool bit telescopic hole, and the rear end of the rear cover is provided with an electric wire through hole.
4. The electric knife of claim 3 for preventing collateral damage, wherein: the front end of the front conical head is provided with a slender hollow sleeve part.
5. The electric knife of claim 3 for preventing collateral damage, wherein: the electrocoagulation button, the electrotomy button and the pushing button are all positioned on the upper side of the middle part of the cutter body, and the positioning button is positioned on the lower side of the front part of the cutter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122647612.8U CN216365251U (en) | 2021-11-01 | 2021-11-01 | Electric knife capable of preventing secondary damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122647612.8U CN216365251U (en) | 2021-11-01 | 2021-11-01 | Electric knife capable of preventing secondary damage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216365251U true CN216365251U (en) | 2022-04-26 |
Family
ID=81249089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122647612.8U Expired - Fee Related CN216365251U (en) | 2021-11-01 | 2021-11-01 | Electric knife capable of preventing secondary damage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216365251U (en) |
-
2021
- 2021-11-01 CN CN202122647612.8U patent/CN216365251U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220426 |