CN111991057A

CN111991057A - Cutter bar structure of ultrasonic knife and ultrasonic knife

Info

Publication number: CN111991057A
Application number: CN202010762206.3A
Authority: CN
Inventors: 卢瑾
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-11-27

Abstract

The invention discloses a cutter bar structure of an ultrasonic knife and the ultrasonic knife in the technical field of medical instruments, and the ultrasonic knife comprises an operating handle, wherein the bottom of a suction cavity is provided with an exhaust hole, an exhaust fan is fixedly arranged in the suction cavity, a reversing dial wheel is rotationally connected in a mounting groove, the front end of the operating handle is fixedly connected with a mounting sleeve, the outer wall of the mounting sleeve is rotationally connected with a threaded ring, the outer wall of the mounting sleeve is slidably connected with a positioning ring, the front end of the mounting sleeve is connected with an exhaust pipe, and the side wall of; the cutting knife is free of damage to the knife, convenient to control, capable of reversing cutting and convenient to operate, and can clear the sight of the operation part in time and facilitate observation and operation of a doctor.

Description

Cutter bar structure of ultrasonic knife and ultrasonic knife

Technical Field

The invention relates to the technical field of medical instruments, in particular to a cutter bar structure of an ultrasonic cutter and the ultrasonic cutter.

Background

The ultrasonic scalpel adopts ultrasonic energy to treat soft tissue, completes cutting and blood coagulation simultaneously, and can ensure minimum lateral thermal injury of the tissue. Is suitable for cutting soft tissues needing bleeding control and minimal thermal injury. An ultrasonic scalpel is a necessary surgical instrument in various minimally invasive surgical operations. The ultrasonic knife mainly comprises a main machine, a driving handle, a connecting wire, a knife head, a foot switch and the like; the working principle is that the pedal or handheld cutter head is used for activation, at the moment, the host outputs electric energy under the resonance frequency of the vibration system to the driving handle, the driving handle converts the electric energy into mechanical energy and outputs the mechanical energy to the cutter head, and the cutter head further amplifies the vibration to carry out mechanical vibration, so that water in tissue cells is vaporized, protein hydrogen bonds are broken, the cells are disintegrated, the tissues are cut or coagulated, and the purposes of cutting the tissues and stopping bleeding are achieved.

When the present ultrasonic knife head is used for clamping tissues, the shearing head at the front end of the knife bar component is tightly closed and clamped with the ultrasonic action rod, the clamping force generated by the shearing head and the ultrasonic action rod is difficult to control, the shearing head can damage the ultrasonic action rod when the clamping force is too large, the ultrasonic knife utilizes heat energy to cut off the tissues, smoke can be generated, the visual field is easily influenced, the dissection position in the deep and small space is more obvious, the operation of an operator is easily influenced, and the operation time is prolonged.

Based on the above, the invention designs a cutter bar structure of an ultrasonic cutter and the ultrasonic cutter, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a cutter bar structure of an ultrasonic knife and the ultrasonic knife, and aims to solve the problems that when a shearing head at the front end of a cutter bar assembly and an ultrasonic action rod are closed and clamped, clamping force generated by the shearing head and the ultrasonic action rod is difficult to control, the shearing head can damage the ultrasonic action rod when the clamping force is too large, smoke can be generated when the ultrasonic knife cuts and breaks off tissues by utilizing heat energy, the visual field is easily influenced, the operation of a surgeon is easily influenced at a deep anatomical position with small space, and the operation time is increased.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a cutter arbor structure of supersound sword, includes the handle, the suction chamber has been seted up in the middle of the handle, the exhaust hole has been seted up to suction chamber bottom, suction intracavity fixed mounting has the air discharge fan, the mounting groove has been seted up at the handle top, the mounting groove internal rotation is connected with the switching-over thumb wheel, handle front end fixedly connected with installation sleeve, installation sleeve outer wall rotates and is connected with the screw ring, installation sleeve outer wall sliding connection has the position circle, installation sleeve front end is connected with the blast pipe, the handle lateral wall is connected with presses the clamp plate.

Preferably, a partition plate is fixedly connected in the suction cavity, and an exhaust fan is fixedly mounted on the side wall of the partition plate.

Preferably, the side wall of the partition plate is fixedly connected with a filter element, and the filter element is positioned above the exhaust fan.

Preferably, the pressing plate is a hollow plate, the pressing plate is rotatably connected to the inner wall of the operating handle, and the top of the installation cavity of the side wall of the operating handle is fixedly connected with a sealing gasket matched with the pressing plate.

Preferably, the operating handle is internally and fixedly connected with a linkage rod, and the end part of the linkage rod is rotatably connected with a matching rod.

Preferably, the installation sleeve lateral wall fixedly connected with positioning spring, positioning spring top fixedly connected with position circle, position circle lateral wall fixedly connected with picture peg, the slot has been seted up to the screw ring lateral wall, picture peg and slot cooperation.

The utility model provides an ultrasonic scalpel, includes inner tube and outer tube, the inner tube is located the outer tube and sliding fit, outer tube outer wall fixedly connected with connection pad, connection pad lateral wall fixedly connected with stop collar, outer tube tip fixedly connected with cooperation dish, the cooperation dish is located the stop collar and sliding fit with it, cooperation dish lateral wall fixedly connected with switching post, stop collar tip fixedly connected with retainer plate, the connection pad is located the retainer plate and with it normal running fit, inner tube front end threaded connection has the cutting knife.

Preferably, the front end of the inner tube is rotatably connected with a clamping pliers, the clamping pliers are arranged above the cutting knife, a communicating groove is formed in the side wall of the limiting sleeve, and the switching column corresponds to the position of the communicating groove.

Preferably, the retainer plate is eccentric circle, and the lateral wall has seted up the arc and has led to the groove, the connection pad is located the arc and leads to inslot and with it normal running fit.

Preferably, the inner wall of the limiting sleeve is fixedly connected with a straight plate, the side wall of the matching disc is provided with a limiting strip frame, and the straight plate is located in the limiting strip frame and is in sliding fit with the limiting strip frame.

Compared with the prior art, the invention has the beneficial effects that:

1. when the outer tube cutting device is used, the outer tube is driven to move forwards by pressing the pressing plate downwards, so that the clamping pincers can further move forwards in the outer tube to realize folding and fold, the cutting part is clamped and cut, the outer tube cannot move conveniently when moving forwards for a certain distance, and the limiting position is not closed, so that the knife cannot be damaged, and the control is convenient; the reversing thumb wheel is pulled to drive the connecting disc meshed with the lower part of the reversing thumb wheel to rotate, so that the inner tube fixedly connected with the reversing thumb wheel, the cutting knife and the clamping pincers are driven to rotate, cutting and reversing are achieved, and the operation is convenient.

2. When the multifunctional suction device is used, the internal exhaust fan is switched on, smoke, water vapor and the like caused by front end cutting are sucked through the exhaust pipe, enter the suction cavity through a gap between the limiting sleeve and the limiting sleeve, and are exhausted through the exhaust hole after certain water vapor and smoke are adsorbed by the filter element, so that the sight of the operation part is timely cleaned, the operation observation and operation of a doctor are facilitated, and the operation is fast and smooth.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic rear view structural view of the present invention;

FIG. 2 is a schematic side view of the flat cross-sectional configuration of the present invention;

FIG. 3 is a schematic side view of a partial half-section configuration of the present invention;

fig. 4 is a front view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-an operating handle, 2-a suction cavity, 3-an exhaust hole, 4-an exhaust fan, 5-a mounting groove, 6-a reversing thumb wheel, 7-a mounting sleeve, 8-a threaded ring, 9-a positioning ring, 10-an exhaust pipe, 11-a pressing plate, 12-a separation plate, 13-a filter core, 14-a linkage rod, 15-a matching rod, 16-a positioning spring, 17-an inner pipe, 18-an outer pipe, 19-a connecting disc, 20-a limiting sleeve, 21-a matching disc, 22-an adapter column, 23-a fixing ring, 24-a cutting knife, 25-a clamping pliers and 26-a communicating groove.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a cutter arbor structure of supersound sword, including the action handle 1, suction chamber 2 has been seted up in the middle of the action handle 1, exhaust hole 3 has been seted up to suction chamber 2 bottom, fixed mounting has air discharge fan 4 in the suction chamber 2, mounting groove 5 has been seted up at 1 top of action handle, 5 internal rotations in mounting groove are connected with switching-over

thumb wheel

6, 1 front end fixedly connected with installation sleeve 7 of action handle, 7 outer wall rotations of installation sleeve are connected with threaded

ring

8, 7 outer wall sliding connection of installation sleeve have a

position circle

9, 7 front ends of installation sleeve are connected with

blast pipe

10, 1 lateral wall of action handle is connected with pressing plate.

Wherein, a partition plate 12 is fixedly connected in the suction cavity 2, and an exhaust fan 4 is fixedly arranged on the side wall of the partition plate 12. The side wall of the partition plate 12 is fixedly connected with a filter core 13, and the filter core 13 is positioned above the exhaust fan 4. The pressing plate 11 is a hollow plate, the pressing plate 11 is rotatably connected to the inner wall of the operating handle 1, and the top of the installation cavity of the side wall of the operating handle 1 is fixedly connected with a sealing gasket matched with the pressing plate 11. A linkage rod 14 is fixedly connected in the operating handle 1, and the end part of the linkage rod 14 is rotatably connected with a matching rod 15.

The side wall of the mounting sleeve 7 is fixedly connected with a positioning spring 16, the top of the positioning spring 16 is fixedly connected with a positioning ring 9, and the side wall of the positioning ring 9 is fixedly connected with an inserting plate. The side wall of the threaded ring 8 is provided with a slot, and the inserting plate is matched with the slot.

The utility model provides an ultrasonic scalpel, including inner tube 17 and outer tube 18, inner tube 17 is located outer tube 18 and sliding fit, 18 outer wall fixedly connected with connection pad 19 of outer tube, 19 lateral wall fixedly connected with stop collar 20 of connection pad, 18 tip fixedly connected with cooperation dish 21 of outer tube, cooperation dish 21 is located stop collar 20 and sliding fit with it, 21 lateral wall fixedly connected with switching post 22 of cooperation dish, 20 tip fixedly connected with retainer plates 23 of stop collar, connection pad 19 is located retainer plates 23 and with it normal running fit, 17 front end threaded connection of inner tube has cutting knife 24.

Wherein, the front end of the inner tube 17 is rotatably connected with a clamping pliers 25, and the clamping pliers 25 is positioned above the cutting knife 24. The lateral wall of the stop collar 20 is provided with a communicating groove 26, and the switching column 22 corresponds to the position of the communicating groove. The fixed ring 23 is an eccentric ring, an arc-shaped through groove is formed in the side wall of the fixed ring, and the connecting disc 19 is located in the arc-shaped through groove and is in running fit with the arc-shaped through groove. The inner wall of the limiting sleeve 20 is fixedly connected with a straight plate, the side wall of the matching disc 21 is provided with a limiting strip frame, and the straight plate is located in the limiting strip frame and is in sliding fit with the limiting strip frame.

One specific application of this embodiment is:

as shown in figures 1, 3 and 4, the ultrasonic scalpel formed by combining the limiting sleeve 20, the fixing ring 23 and the like is arranged in the mounting sleeve 7 at the front end of the operating handle 1, so that the connecting disc 19 is meshed with the reversing thumb wheel 6, the matching rod 15 penetrates through the communicating groove 26 and is clamped on the connecting column 22, the assembly of the ultrasonic scalpel is completed, and the detachable ultrasonic scalpel is convenient to clean and replace.

As shown in figures 1, 2 and 4, according to the exhaust pipe installation structure, the exhaust pipe 10 is sleeved on the outer pipe 18 and then sleeved in the installation sleeve 7, the positioning ring 9 is pulled back, the exhaust pipe 10 is installed and fixed on the installation sleeve 7 by rotating the threaded ring 8, after the installation is completed, the positioning ring 9 is loosened, the positioning ring 9 is popped forward under the action of the positioning spring 16, so that an inserting plate at the front end of the positioning ring enters a slot at the rear end of the threaded ring 8, the threaded ring 8 cannot be fixed to rotate, looseness is avoided, and connection is stable.

As shown in fig. 1-4, when the present invention is used, the energy transducer and the ultrasonic generator are switched on, and the ultra-high frequency vibration is transmitted to the cutting knife 24 of the inner tube 17, so as to cut; the pressing plate 11 is pressed downwards to drive the linkage rod 14 inside the pressing plate to move backwards, the matching rod 15 drives the connecting column 22 to move forwards to drive the outer tube 18 to move forwards, so that the clamping pincers 25 and the inner portion of the outer tube 18 are folded, the cutting part is clamped and cut, when the outer tube 18 moves forwards for a certain distance, the outer tube cannot move conveniently, and the limiting position is not closed, so that the knife cannot be damaged, and the control is convenient; the reversing thumb wheel 6 is pulled to drive the connecting disc 19 which is meshed with the reversing thumb wheel to rotate, so that the inner tube 17 fixedly connected with the reversing thumb wheel, the cutting knife 24 and the clamping pincers 25 are driven to rotate, cutting and reversing are realized, and the operation is convenient.

As shown in figures 1-4, when the invention is used, the internal exhaust fan 4 is connected, smoke, water vapor and the like caused by front end cutting are sucked in through the exhaust pipe 10, enter the suction cavity 2 through the gap between the limiting sleeve 20 and the limiting sleeve, and are exhausted through the exhaust hole 3 after certain water vapor and smoke are adsorbed by the filter element 13, so that the sight of the operation part is cleared in time, the operation observation and operation of a doctor are convenient, and the operation is fast and smoothly carried out.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a cutter arbor structure of supersound sword, includes action bars (1), its characterized in that: the utility model discloses a pneumatic vacuum pump, including operation handle (1), exhaust hole (3), suction chamber (2), mounting groove (5), installation groove (5) internal rotation are connected with switching-over thumb wheel (6), operation handle (1) front end fixedly connected with installation sleeve (7), installation sleeve (7) outer wall rotates and is connected with threaded ring (8), installation sleeve (7) outer wall sliding connection has position circle (9), installation sleeve (7) front end is connected with blast pipe (10), operation handle (1) lateral wall is connected with and presses platen (11).

2. The blade bar structure of an ultrasonic blade according to claim 1, wherein: fixedly connected with division board (12) in suction chamber (2), division board (12) lateral wall fixed mounting has air discharge fan (4).

3. The blade bar structure of an ultrasonic blade according to claim 2, wherein: the side wall of the partition plate (12) is fixedly connected with a filter element (13), and the filter element (13) is positioned above the exhaust fan (4).

4. The blade bar structure of an ultrasonic blade according to claim 1, wherein: the pressing plate (11) is a hollow plate, the pressing plate (11) is rotatably connected to the inner wall of the operating handle (1), and a sealing gasket matched with the pressing plate (11) is fixedly connected to the top of the mounting cavity of the side wall of the operating handle (1).

5. The blade bar structure of an ultrasonic blade according to claim 1, wherein: the linkage rod (14) is fixedly connected in the operating handle (1), and the end part of the linkage rod (14) is rotatably connected with a matching rod (15).

6. The blade bar structure of an ultrasonic blade according to claim 1, wherein: installing sleeve (7) lateral wall fixedly connected with positioning spring (16), positioning spring (16) top fixedly connected with position circle (9), position circle (9) lateral wall fixedly connected with picture peg, the slot has been seted up to screw ring (8) lateral wall, picture peg and slot cooperation.

7. An ultrasonic blade comprising an inner tube (17) and an outer tube (18), characterized in that: inner tube (17) are located outer tube (18) and sliding fit, outer tube (18) outer wall fixedly connected with connection pad (19), connection pad (19) lateral wall fixedly connected with stop collar (20), outer tube (18) tip fixedly connected with cooperation dish (21), cooperation dish (21) are located stop collar (20) and sliding fit with it, cooperation dish (21) lateral wall fixedly connected with switching post (22), stop collar (20) tip fixedly connected with retainer plate (23), connection pad (19) are located retainer plate (23) with it normal running fit, inner tube (17) front end threaded connection has cutting knife (24).

8. The ultrasonic blade of claim 7, wherein: the inner tube (17) front end rotates and is connected with centre gripping pincers (25), centre gripping pincers (25) are located cutting knife (24) top, intercommunication groove (26) have been seted up to stop collar (20) lateral wall, switching post (22) correspond with the spread groove position.

9. The ultrasonic blade of claim 7, wherein: the retainer plate (23) is an eccentric ring, an arc-shaped through groove is formed in the side wall of the retainer plate, and the connecting disc (19) is located in the arc-shaped through groove and is in running fit with the arc-shaped through groove.

10. The ultrasonic blade of claim 7, wherein: the inner wall of the limiting sleeve (20) is fixedly connected with a straight plate, the side wall of the matching disc (21) is provided with a limiting strip frame, and the straight plate is located in the limiting strip frame and is in sliding fit with the limiting strip frame.