CN114886550B - Gun type electric knife with on-off sliding contact ring structure - Google Patents
Gun type electric knife with on-off sliding contact ring structure Download PDFInfo
- Publication number
- CN114886550B CN114886550B CN202210399491.6A CN202210399491A CN114886550B CN 114886550 B CN114886550 B CN 114886550B CN 202210399491 A CN202210399491 A CN 202210399491A CN 114886550 B CN114886550 B CN 114886550B
- Authority
- CN
- China
- Prior art keywords
- assembly
- inner sleeve
- sliding contact
- jaw
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1412—Blade
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a gun type electrotome with a switchable sliding contact ring structure, which comprises a handle, a sleeve pipe assembly, a jaw assembly and a control wrench, wherein the sleeve pipe assembly limits a longitudinal axis and comprises an inner sleeve pipe and an outer sleeve pipe, and the sleeve pipe assembly and the jaw assembly synchronously rotate; the inner sleeve is at least provided with a sliding contact assembly in a penetrating way, the sliding contact assembly comprises a movable electric connector fixedly arranged on the inner sleeve and a fixed electric connector fixedly arranged on the inner wall of the handle, the movable electric connector is electrically connected with the jaw assembly, and the fixed electric connector is connected with electricity through a power line; the movable electrical connector is selectively electrically connected to or disconnected from the fixed electrical connector by following the inner sleeve in a synchronized movement while the wrench is controlled to drive the inner sleeve to move along the longitudinal axis, and the jaw assembly is rotatable about the longitudinal axis when the movable electrical connector is disconnected from the fixed electrical connector. The present invention provides a wiping assembly to allow smooth continuous 360 rotation of the jaw assembly.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to a gun type electrotome with a structure capable of making and breaking a sliding contact ring.
Background
High frequency electrosurgical instruments are medical instruments that seal tissue by electrical energy, and typically include a distally mounted end effector configured for bipolar or monopolar operation. During bipolar operation, current is passed through the tissue through the active and return electrodes of the end effector. During monopolar operation, current is passed through the tissue by the active electrode of the end effector and a return electrode separately disposed on the patient's body. The heat generated by the current flowing through the tissue may form a hemostatic seal within and/or between the tissues, and thus may be particularly useful for sealing blood vessels.
The end effector of the gun-style high frequency electrotome may also include a cutting member movable relative to the tissue and an electrode to seal the tissue. Gun-type high-frequency electric knives are generally operated by a sleeve assembly connecting an operating handle and an end effector, and a closing mechanism for opening and closing the end effector.
In the operation using the gun-type high-frequency electric knife, a doctor needs to frequently rotate the sleeve component, adjust the position of the end effector and clamp tissues at a proper angle for operation. In current structure, the thimble assembly communicates the power through the fixed electric connector that sets up usually, and this makes the thimble assembly can only realize 360 rotations through positive and negative commentaries on classics at most, and this makes the operator need constantly rotate the debugging repeatedly for the operation is very inconvenient, and can increase the risk of makeing mistakes. In addition, the sleeve assembly needs to be in contact with the electric connector for keeping electrification, so that when the sleeve assembly rotates, large friction resistance can be generated between the sleeve assembly and the electric connector, the rotation is not smooth, more abrasion can be generated, and the long-term use is not facilitated.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a gun type electrotome with a structure capable of making and breaking a sliding contact ring.
The purpose of the invention is realized by the following technical scheme:
a gun-style electrotome having an on-off sliding ring configuration comprising a handle, a sleeve assembly, a jaw assembly, a control wrench, the sleeve assembly defining a longitudinal axis comprising an inner sleeve and an outer sleeve, the sleeve assembly and the jaw assembly rotating in synchronism; the inner sleeve is at least provided with a sliding contact assembly in a penetrating mode, the sliding contact assembly comprises a movable electric connector fixedly arranged on the inner sleeve and a fixed electric connector fixedly arranged on the inner wall of the handle, an elastic piece is arranged in the sliding contact assembly, the movable electric connector and the fixed electric connector are in elastic contact, the jaw assembly comprises a first jaw piece and a second jaw piece which are hinged with each other, the first jaw piece is arranged at the front end of the inner sleeve, the second jaw piece is arranged at the front end of the outer sleeve, the first jaw piece and the second jaw piece are both electrically connected with the movable electric connector, and the fixed electric connector is connected with electricity through a power line; the control wrench drives the inner sleeve to move along the longitudinal axis, the movable electric connector is selectively electrically connected with or disconnected from the fixed electric connector by synchronously moving along the inner sleeve, and the jaw assembly can rotate around the longitudinal axis when the movable electric connector and the fixed electric connector are disconnected.
Preferably, wear to be equipped with two on the interior sleeve pipe the sliding contact subassembly is close to the sliding contact subassembly that interior sleeve pipe front end set up is first sliding contact subassembly, is located the sliding contact subassembly of interior sleeve pipe tail end is the second sliding contact subassembly, first jaw spare and second jaw spare respectively with a removal electric connector electric connection.
Preferably, the elastic part is a group of elastic tentacles, each elastic tentacle extends obliquely along the longitudinal axis to form an opening which contracts inwards, and the mobile electric connecting part is embedded in the opening through moving and is electrically connected with the elastic tentacles.
Preferably, the elastic tentacle has a guide portion extending outward such that the opening is formed in a trumpet shape.
Preferably, the elastic element is a spring, the moving electrical connector is elastically connected to the inner sleeve through the spring, and the spring drives the moving electrical connector to be electrically connected with the fixed electrical connector.
Preferably, the front end of the handle is provided with a knob, and the knob is fixedly connected with the outer sleeve to drive the outer sleeve to rotate.
Preferably, the inner sleeve is provided with a sliding block, a return spring is arranged between the sliding block and the second sliding contact assembly, and the sliding block is connected with the control wrench through a connecting rod, so that the control wrench controls the inner sleeve to move along the longitudinal axis.
Preferably, a buckle is arranged in the holding portion of the handle, a clamping portion is arranged on the inner side wall of the control wrench, and the control wrench enables the clamping portion to be clamped with the buckle or separated from the buckle through relative movement of the holding portion.
Preferably, the inner sleeve is further internally provided with a cutter bar, the cutter bar is connected with a control button through a cutter bar connecting piece, and the control button controls the cutter bar to move along the longitudinal axis so as to stretch relative to the jaw assembly.
The invention has the following beneficial effects:
1. the sliding contact assembly is arranged to enable the jaw assembly to be electrically contacted with the fixed electric connecting piece to achieve electrification through movement of the movable electric connecting piece, when the movable electric connecting piece is not contacted with the fixed electric connecting piece, the jaw assembly can rotate continuously or positively and negatively around the longitudinal axis for 360 degrees without being blocked, unnecessary abrasion is reduced, the friction resistance of the inner sleeve is reduced, the smoothness of rotation of the sleeve assembly is ensured, the operation hand feeling is optimized, the operation convenience is improved, the continuous rotation operation of an operator is facilitated, and the error risk is reduced;
2. the movable electric connector moves synchronously along with the inner sleeve, so that the opening and closing of the jaw assembly and the on-off of the sliding contact assembly are kept synchronous, the jaw assembly can be effectively controlled to be electrified after being clamped, and the jaw assembly is timely powered off after being opened, so that the mistaken contact is prevented, and the operation safety is improved;
3. remove electric connector and carry out elastic contact through elastic component and fixed electric connector, make it can all keep the electric contact in a section distance to remove between electric connector and the fixed electric connector, and need not to keep the contact state of close laminating constantly, the medical personnel's of being more convenient for long-time continuous operation like this, and difficult handheld fatigue further guarantees the security and the convenience of operation, improves the fault-tolerance of circular telegram of sliding contact subassembly improves life.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1: a cross-sectional view of a first embodiment of the invention;
FIG. 2: an enlarged view of portion a in fig. 1;
FIG. 3: a cross-sectional view of the first embodiment of the invention;
FIG. 4: a cross-sectional view of a second embodiment of the invention;
FIG. 5 is a schematic view of: an enlarged view of portion B in fig. 4;
FIG. 6: a cross-sectional view of a second embodiment of the invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art in light of these embodiments are intended to be within the scope of the present invention.
In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.
As shown in fig. 1 to 6, the present invention discloses a gun type electric knife with an on-off sliding contact ring structure, comprising a handle 1, a sleeve assembly, a jaw assembly and a control wrench 2, wherein the sleeve assembly defines a longitudinal axis and comprises an inner sleeve 4 and an outer sleeve 5, and the sleeve assembly and the jaw assembly rotate synchronously; the inner sleeve 4 is at least provided with a sliding contact assembly in a penetrating way, the sliding contact assembly comprises a movable electric connector 8 fixedly arranged on the inner sleeve 4 and a fixed electric connector 9 fixedly arranged on the inner wall of the handle 1, the movable electric connector 8 is electrically connected with the jaw assembly, and the fixed electric connector 9 is connected with electricity through a power line 3; while the control wrench 2 drives the inner sleeve 4 to move along the longitudinal axis, the moving electrical connector 8 is selectively electrically connected or disconnected from the fixed electrical connector 9 by following the inner sleeve 4 to move synchronously, and the jaw assembly is rotatable about the longitudinal axis when the moving electrical connector 8 and the fixed electrical connector 9 are disconnected from each other.
The sliding contact assembly is arranged to enable the jaw assembly to be electrically contacted with the fixed electric connector 9 through the movement of the movable electric connector 8 to realize electrification, when the movable electric connector 8 is not contacted with the fixed electric connector 9, the jaw assembly can rotate around the longitudinal axis for 360 degrees without being blocked, unnecessary abrasion is reduced, the friction resistance of the inner sleeve 4 is reduced, the smoothness of rotation of the sleeve assembly is ensured, the operation hand feeling is optimized, the operation convenience is improved, the continuous rotation operation of an operator is facilitated, and the error risk is reduced.
Further, as shown in fig. 1 or 4, in an initial state, the jaw assembly is opened, and the movable electrical connector 8 and the fixed electrical connector 9 are not in contact with each other and are powered; as shown in fig. 3 or 6, the jaw assembly is closed and the electrical contact between the mobile electrical connector 8 and the fixed electrical connector 9 is energized. From fig. 1 to fig. 3 or fig. 4 to fig. 6, the movable electric connector 8 switches by following the synchronous movement of the inner sleeve 4, so that the opening and closing of the jaw assembly and the on-off of the sliding contact assembly are kept synchronous, the jaw assembly can be effectively controlled to be powered on after being clamped, and the jaw assembly is powered off in time after being opened, so that the mistaken contact is prevented, and the operation safety is improved.
The jaw assembly in the scheme comprises a first jaw piece 6 and a second jaw piece 7 which are hinged, wherein the first jaw piece 6 is arranged at the front end of the inner sleeve 4, and the second jaw piece 7 is arranged at the front end of the outer sleeve 5. The tail end of the first jaw piece 6 is provided with a waist-shaped hole, the front end of the inner sleeve 4 is connected with the first jaw piece 6 through a shaft pin which is arranged in the waist-shaped hole in a sliding mode, so that when the inner sleeve 4 moves backwards, the first jaw piece 6 approaches the second jaw piece 7 until the first jaw piece and the second jaw piece are attached to each other, and the jaw assembly is closed; when the inner sleeve 4 moves forward, the first jaw piece 6 moves away from the second jaw piece 7, and the jaw assembly is opened.
In the invention, only one sliding contact assembly can be arranged to realize the electrification of the jaw assembly, namely, the first jaw piece 6 and the second jaw piece 7 of the jaw assembly are electrically connected to the movable electric connector 8, and the fixed electric connector 9 is communicated with a power supply through the power line 3.
Further, in the illustrated embodiment, two sliding contact assemblies penetrate through the inner sleeve 4 to achieve the energization of the jaw assembly, specifically, two sliding contact assemblies penetrate through the inner sleeve 4, the sliding contact assembly arranged near the front end of the inner sleeve 4 is a first sliding contact assembly, the sliding contact assembly arranged at the tail end of the inner sleeve 4 is a second sliding contact assembly, the first jaw 6 and the second jaw 7 are respectively electrically connected with a movable electrical connector 8, and the two fixed electrical connectors 9 are respectively electrically connected with the power line 3. This makes it possible to further distinguish between the connection of the positive and negative electrodes and to distinguish between the energization of the first jaw 6 and the second jaw 7. Both approaches are possible embodiments.
As shown in fig. 1 or 4, an elastic element is provided inside the trolley assembly, so as to allow elastic contact between the mobile electrical connector 8 and the fixed electrical connector 9. Elastic contact makes can all keep electrical contact in a section distance between removal electric connector 8 and the fixed electric connector 9, and need not to keep the contact state of close laminating constantly, the medical personnel's of being more convenient for long-time continuous operation like this, and difficult handheld fatigue, the security and the convenience of further guaranteeing the operation improve the fault-tolerance of the circular telegram of sliding contact subassembly improves life.
There are many possible embodiments of the resilient member, two of which are shown in fig. 1-6.
As shown in fig. 1-3, a first embodiment of the spring. In the first embodiment, the elastic element is a set of elastic tentacles 10, each elastic tentacle 10 extends obliquely along the longitudinal axis to form an inwardly contracted opening, and the mobile electric connector 8 is movably embedded in the opening and electrically connected with the elastic tentacles 10. The inward contraction structure of the elastic tentacle 10 enables the elastic tentacle 10 to always have inward contraction elasticity, so that after the mobile electric connector 8 is inserted into the elastic piece, the elastic tentacle 10 can always keep contact with the mobile electric connector 8 within the length range of the elastic tentacle, elastic contact is achieved, and the power-on of the sliding contact assembly is guaranteed.
In order to facilitate a quick and smooth insertion of the mobile electrical connector 8 inside the elastic element, the elastic tentacle 10 has a guide 1001 extending outwards, so that the opening is flared. In the illustrated embodiment, the elastic tentacles 10 are distributed circularly on the fixed electrical connector 9, and in other possible embodiments, the elastic tentacles 10 may also be distributed on the mobile electrical connector 8.
The outer contours of the moving electrical connector 8 and the fixed electrical connector 9 are preferably circular, and in other possible embodiments, the outer contours of the moving electrical connector 8 and the fixed electrical connector 9 may be other possible shapes, which are not limited herein.
As shown in fig. 4-6, a second embodiment of the resilient member. In the second embodiment, the elastic member is a spring 11, and the spring 11 is sleeved on the inner sleeve 4. The moving electrical connector 8 is elastically connected to the inner sleeve 4 by the spring 11, and the spring 11 drives the moving electrical connector 8 to be electrically connected with the fixed electrical connector 9. The spring 11 contracts along with the backward movement of the inner sleeve 4, and the elastic force of the contraction enables the movable electric connector 8 to be always abutted with the fixed electric connector 9, so that the elastic connection is realized, and the electrification of the sliding-out assembly is ensured.
As shown in fig. 1, 3, 4 and 6, a knob 12 is disposed at a front end of the handle 1, and the knob 12 is fixedly connected to the outer sleeve 5 to drive the outer sleeve 5 to rotate. The knob 12 can drive the outer sleeve 5 to rotate synchronously, so that the second jaw 7 rotates synchronously, and simultaneously the first jaw 6 rotates synchronously with the second jaw 7, thereby realizing 360-degree rotation of the whole jaw assembly.
Further, a sliding block 13 is arranged on the inner sleeve 4, a return spring 14 is arranged between the sliding block 13 and a sliding contact component positioned at the tail end of the inner sleeve 4, and the sliding block 13 is connected with the control wrench 2 through a connecting rod 15, so that the control wrench 2 controls the inner sleeve 4 to move along the longitudinal axis. The slider 13 is slidably connected to the inner sleeve 4 to ensure the rotation of the inner sleeve 4. The return spring 14 is used for driving the slide block 13 to return. This is the existing structure, and is not the key point of this scheme, and will not be described here in detail.
Be provided with buckle 16 in the portion 101 of gripping of handle 1, be provided with joint portion 201 on the inside wall of control spanner 2, control spanner 2 is through relative portion 101 of gripping removes makes joint portion 201 with buckle 16 looks joint or phase separation. This arrangement allows the control wrench 2 to maintain its position relative to the gripping portion 101 without being held at all times, avoiding excessive hand strain. In other possible embodiments, the clamping portion 201 may also be disposed in the holding portion 101, and the buckle 16 may also be disposed on the control wrench 2. The connection between the control wrench 2 and the holding portion 101 is not exclusive, and the illustrated embodiment is only one possible way, and is not limited. In the illustrated embodiment, the buckle 16 is a rotating rod with a convex portion, the rotating rod is pivotally connected to the inner wall of the hand 1, and elastic forces are symmetrically arranged on both sides of the rotating rod, and the elastic forces may be formed by a spring or other structures with elastic force, so as to return the rotating rod after rotating. The clamping portion 201 is provided with a Z-shaped sliding groove to match with the rotating rod, so that the rotating rod can be clamped with or separated from the sliding groove through rotation.
A cutter bar (not shown in the figure) is further arranged in the inner sleeve 4, the cutter bar is connected with a control button 17 through a cutter bar connecting piece, and the control button 17 controls the cutter bar to move along the longitudinal axis. The cutter bar connecting piece is composed of a cutter feeding buckle 18 and a connecting rod 19, and the cutter feeding buckle 18 is arranged on the inner sleeve 4 and is in sliding connection with the inner sleeve 4. The connecting rod 19 connects the feed latch 18 and the control button 17. This is the existing structure and will not be described herein. The control button 17 can also be connected to the knife bar in other possible ways.
The control wrench 2 is located inside the handle 1 and is provided with a connecting block 202, a convex block 203 is arranged on the connecting block 202, a concave part matched with the convex block 203 is arranged on the end part of the control button 17 or the connecting rod 19 to be clamped with the convex part 203, so that when the control wrench 2 does not retreat, the control button 17 cannot retreat to ensure that the cutter bar cannot extend out to ensure the use safety under the opening state of the jaw assembly. This is the existing structure, and is not the key point of this scheme, and will not be described here in detail.
In addition, the control wrench 2 is a closed ring structure in the illustrated embodiment, and in other possible embodiments, the control wrench 2 may also be a U-shaped open structure or other suitable structures, which are not described herein again.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. Gun type electric knife with an on-off sliding contact ring structure, comprising a handle (1), a sleeve assembly, a jaw assembly and a control wrench (2), wherein the sleeve assembly defines a longitudinal axis and comprises an inner sleeve (4) and an outer sleeve (5), and the sleeve assembly and the jaw assembly rotate synchronously; the method is characterized in that: the inner sleeve (4) is at least provided with a sliding contact assembly in a penetrating mode, the sliding contact assembly comprises a movable electric connecting piece (8) fixedly arranged on the inner sleeve (4) and a fixed electric connecting piece (9) fixedly arranged on the inner wall of the handle (1), an elastic piece is arranged in the sliding contact assembly, the movable electric connecting piece (8) and the fixed electric connecting piece (9) are in elastic contact, the jaw assembly comprises a first jaw piece (6) and a second jaw piece (7) which are hinged to each other, the first jaw piece (6) is arranged at the front end of the inner sleeve (4), the second jaw piece (7) is arranged at the front end of the outer sleeve (5), the first jaw piece (6) and the second jaw piece (7) are both electrically connected with the movable electric connecting piece (8), and the fixed electric connecting piece (9) is connected with electricity through a power line (3); the control wrench (2) drives the inner sleeve (4) to move along the longitudinal axis, the moving electrical connector (8) selectively electrically connects or disconnects with the fixed electrical connector (9) by following the synchronous movement of the inner sleeve (4), and the jaw assembly is rotatable about the longitudinal axis when the moving electrical connector (8) and the fixed electrical connector (9) are disconnected.
2. The electric gun knife with an on-off wiping ring structure as set forth in claim 1, wherein: the inner sleeve (4) is provided with two sliding contact assemblies in a penetrating mode, the sliding contact assembly close to the front end of the inner sleeve (4) is a first sliding contact assembly, the sliding contact assembly at the tail end of the inner sleeve (4) is a second sliding contact assembly, and the first jaw piece (6) and the second jaw piece (7) are respectively electrically connected with a movable electric connector (8).
3. The electric gun knife with an on-off wiping ring structure as set forth in claim 1, wherein: the elastic part is a group of elastic tentacles (10), and every elastic tentacles (10) extend along the longitudinal axis slope and form the opening of inside shrink, mobile electric connector (8) through removing the inlay locate in the opening and with elastic tentacles (10) electric connection.
4. The electric gun knife with an on-off wiping ring structure of claim 3, wherein: the elastic tentacle (10) has a guide portion (1001) extending outward so that the opening is formed in a horn shape.
5. The electric gun knife with an on-off wiping ring structure as set forth in claim 1, wherein: the elastic piece is a spring (11), the movable electric connecting piece (8) is elastically connected to the inner sleeve (4) through the spring (11), and the spring (11) drives the movable electric connecting piece (8) to be electrically connected with the fixed electric connecting piece (9).
6. The electric gun knife with an on-off wiping ring structure as set forth in claim 1, wherein: the front end of the handle (1) is provided with a knob (12), and the knob (12) is fixedly connected with the outer sleeve (5) to drive the outer sleeve (5) to rotate.
7. The electric gun knife with an on-off wiping ring structure of claim 2, wherein: the inner sleeve (4) is provided with a sliding block (13), a return spring (14) is arranged between the sliding block (13) and the second sliding contact component, and the sliding block (13) is connected with the control wrench (2) through a connecting rod (15) so that the control wrench (2) controls the inner sleeve (4) to move along the longitudinal axis.
8. The electric gun-type knife with an on-off sliding contact ring structure as claimed in claim 1, wherein: be provided with buckle (16) in the portion of gripping (101) of handle (1), be provided with joint portion (201) on the inside wall of control spanner (2), control spanner (2) are through relative portion of gripping (101) remove make joint portion (201) with buckle (16) looks joint or phase separation.
9. The electric gun knife with an on-off wiping ring structure as set forth in claim 1, wherein: still be provided with the cutter arbor in interior sleeve pipe (4), the cutter arbor passes through the cutter arbor connecting piece and is connected with control button (17), control button (17) control the cutter arbor moves in order to relative the subassembly of keeping silent stretches out and draws back along longitudinal axis.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210399491.6A CN114886550B (en) | 2022-04-15 | 2022-04-15 | Gun type electric knife with on-off sliding contact ring structure |
| PCT/CN2022/124263 WO2023197540A1 (en) | 2022-04-15 | 2022-10-10 | Gun-type electrotome with switchable sliding contact ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210399491.6A CN114886550B (en) | 2022-04-15 | 2022-04-15 | Gun type electric knife with on-off sliding contact ring structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114886550A CN114886550A (en) | 2022-08-12 |
| CN114886550B true CN114886550B (en) | 2023-03-21 |
Family
ID=82717092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210399491.6A Active CN114886550B (en) | 2022-04-15 | 2022-04-15 | Gun type electric knife with on-off sliding contact ring structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114886550B (en) |
| WO (1) | WO2023197540A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114886550B (en) * | 2022-04-15 | 2023-03-21 | 以诺康医疗科技（苏州）有限公司 | Gun type electric knife with on-off sliding contact ring structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215273262U (en) * | 2021-02-24 | 2021-12-24 | 河南埃丽坤斯医疗科技有限公司 | Laparoscopic cuttable and bendable bipolar coagulation forceps |
| CN113907849A (en) * | 2021-11-11 | 2022-01-11 | 以诺康医疗科技（苏州）有限公司 | Cannula assembly and ultrasonic blade |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030229344A1 (en) * | 2002-01-22 | 2003-12-11 | Dycus Sean T. | Vessel sealer and divider and method of manufacturing same |
| US8475455B2 (en) * | 2002-10-29 | 2013-07-02 | Medtronic Advanced Energy Llc | Fluid-assisted electrosurgical scissors and methods |
| US7150749B2 (en) * | 2003-06-13 | 2006-12-19 | Sherwood Services Ag | Vessel sealer and divider having elongated knife stroke and safety cutting mechanism |
| US7628791B2 (en) * | 2005-08-19 | 2009-12-08 | Covidien Ag | Single action tissue sealer |
| US9326788B2 (en) * | 2012-06-29 | 2016-05-03 | Ethicon Endo-Surgery, Llc | Lockout mechanism for use with robotic electrosurgical device |
| US9814517B2 (en) * | 2014-11-17 | 2017-11-14 | Covidien Lp | Deployment mechanisms for multi-function surgical instruments |
| WO2016169039A1 (en) * | 2015-04-24 | 2016-10-27 | Covidien Lp | Disposable connector for use with reusable vessel sealing divider device |
| CN107280735B (en) * | 2017-07-21 | 2020-08-04 | 上海逸思医疗科技有限公司 | Repeatedly-usable ultrasonic surgical instrument |
| CN111759453A (en) * | 2019-04-01 | 2020-10-13 | 广州迪克医疗器械有限公司 | A power source and tissue ablation, cutting and fusion system for tissue ablation, cutting and fusion system |
| CN110559073B (en) * | 2019-08-13 | 2020-07-31 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A surgical electric knife with switchable double cutter heads |
| CN211674525U (en) * | 2019-12-20 | 2020-10-16 | 上海诺英医疗器械有限公司 | Bipolar coagulation forceps capable of interchanging cutting |
| CN212755869U (en) * | 2020-03-09 | 2021-03-23 | 吴志明 | Novel area is washed and is attracted and electricity congeals chamber mirror separating forceps of hemostasis function |
| CN114617631A (en) * | 2022-01-24 | 2022-06-14 | 以诺康医疗科技（苏州）有限公司 | Safety high-frequency electric knife surgical instrument |
| CN217447986U (en) * | 2022-01-24 | 2022-09-20 | 以诺康医疗科技（苏州）有限公司 | Safety high-frequency electric knife surgical instrument |
| CN114886550B (en) * | 2022-04-15 | 2023-03-21 | 以诺康医疗科技（苏州）有限公司 | Gun type electric knife with on-off sliding contact ring structure |
-
2022
- 2022-04-15 CN CN202210399491.6A patent/CN114886550B/en active Active
- 2022-10-10 WO PCT/CN2022/124263 patent/WO2023197540A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215273262U (en) * | 2021-02-24 | 2021-12-24 | 河南埃丽坤斯医疗科技有限公司 | Laparoscopic cuttable and bendable bipolar coagulation forceps |
| CN113907849A (en) * | 2021-11-11 | 2022-01-11 | 以诺康医疗科技（苏州）有限公司 | Cannula assembly and ultrasonic blade |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023197540A1 (en) | 2023-10-19 |
| CN114886550A (en) | 2022-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5800449A (en) | Knife shield for surgical instruments | |
| US9498280B2 (en) | Blade lockout mechanism for surgical forceps | |
| US10441352B2 (en) | Switch assemblies for multi-function surgical instruments and surgical instruments incorporating the same | |
| US5827279A (en) | Knife coupler mechanism for an endoscopic instrument | |
| US6682528B2 (en) | Endoscopic bipolar electrosurgical forceps | |
| EP1123058B1 (en) | Open vessel sealing forceps with stop member | |
| US6585735B1 (en) | Endoscopic bipolar electrosurgical forceps | |
| US9888958B2 (en) | Surgical forceps | |
| US6511480B1 (en) | Open vessel sealing forceps with disposable electrodes | |
| EP1216006B1 (en) | Electrosurgical coagulating and cutting instrument | |
| US20030109875A1 (en) | Open vessel sealing forceps with disposable electrodes | |
| EP2591744A1 (en) | Surgical forceps | |
| US20120046660A1 (en) | Surgical Forceps | |
| JPH1024051A (en) | Coagulation forceps with separating function | |
| US10792093B2 (en) | Switch assemblies for multi-function surgical instruments and surgical instruments incorporating the same | |
| CA2764074A1 (en) | Latch mechanism for surgical instruments | |
| CN114886550B (en) | Gun type electric knife with on-off sliding contact ring structure | |
| CN217447986U (en) | Safety high-frequency electric knife surgical instrument | |
| US11129633B2 (en) | Medical device interface | |
| US11793520B2 (en) | Trigger mechanisms for surgical instruments and surgical instruments including the same | |
| CN102697554A (en) | Multifunctional shaver for laparoscopic surgery | |
| CN221205639U (en) | High-frequency electric knife | |
| US9943358B2 (en) | Method for ferromagnetic clamping and cutting in a portable medical device | |
| JPH0984804A (en) | Coagulation forceps fitted with cutting-off function | |
| CN219021511U (en) | Gallbladder polypectomy device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |