CN206979539U

CN206979539U - For ultrasonic surgical systems ultrasonic handpiece and there are its ultrasonic surgical systems

Info

Publication number: CN206979539U
Application number: CN201621035600.2U
Authority: CN
Inventors: 张毓笠; 周兆英; 罗晓宁
Original assignee: BEIJING SONICMED TECHNOLOGY Co Ltd
Current assignee: BEIJING SONICMED TECHNOLOGY Co Ltd
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2018-02-09
Anticipated expiration: 2026-08-31

Abstract

The utility model discloses a kind of ultrasonic handpiece for ultrasonic surgical systems and there are its ultrasonic surgical systems.The ultrasonic handpiece includes：Housing；Transducer, the transducer are arranged in the housing；Ultrasonic transformer, the ultrasonic transformer are arranged in the housing；Cutter, the ultrasonic transformer are connected between the cutter and the transducer；Oscillatory gearing mechanism, the oscillatory gearing mechanism include swing mechanism and motor, and the motor is arranged to drive the cutter to be swung around the central axis of the cutter by the swing mechanism, and hunting frequency is 1Hz 35Hz.According to the ultrasonic handpiece for ultrasonic surgical systems of the utility model embodiment, cutter can be made to produce the compound motion of extensional vibration and circuit oscillation, thus surgical procedure is greatly facilitated, improve cutting efficiency simultaneously, reduce the frictional force between cutter and wound face, so as to reduce the cutting temperature of wound face, and cutter can be avoided to be broken due to stress concentration.

Description

For ultrasonic surgical systems ultrasonic handpiece and there are its ultrasonic surgical systems

Technical field

Medical instruments field is the utility model is related to, in particular to a kind of ultrasonic hand for ultrasonic surgical systems Handle and there are its ultrasonic surgical systems.

Background technology

With the fast development of modern medicine, ultra-sonic surgical aspirator has been increasingly being applied to clinical surgery operation treatment In, ultrasonic energy is applied to surgical operation by it, has the characteristics that fine cutting, safety, tissue selectivity and low temperature hemostasis, pole The earth enriches the means of surgical operation, improves the quality of surgical operation, alleviates the slight illness of patient to a certain extent.But Traditional ultrasonic cutter can only front and rear vibration in the vertical, it is low to cut the efficiency of bone, and surgical knife tool and wound surface Frictional force it is larger, easily cause the rise of cutting wound surface temperature, or even nerve and the blood vessel near wound can be caused Fire damage.In a kind of improvement ultrasonic handpiece known for inventor, swung, can effectively improved by increasing motor-driven knife Cutting efficiency, but cutting, mill bone effect difference be present or be not easy to be grasped due to vibrating big in this ultrasonic handpiece with motor The shortcomings that author grips.

Utility model content

The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.Therefore, A purpose of the present utility model is to propose a kind of ultrasonic handpiece for ultrasonic surgical systems, and the ultrasonic handpiece can be one Determine to improve cutting efficiency in degree, while improve the vibration of handle.

Another purpose of the present utility model is to propose a kind of ultrasonic surgical systems with above-mentioned ultrasonic handpiece.

According to the ultrasonic handpiece for ultrasonic surgical systems of the utility model embodiment, including：Housing；Transducer, institute Transducer is stated to be arranged in the housing；Ultrasonic transformer, the ultrasonic transformer are arranged in the housing；Cutter, the ultrasonic transformer connect It is connected between the cutter and the transducer；Oscillatory gearing mechanism, the oscillatory gearing mechanism include swing mechanism and driving Motor, the motor are arranged to drive cutter, ultrasonic transformer and the transducer around the cutter by the swing mechanism Central axis swung, and hunting frequency is 1Hz-35Hz.

According to the ultrasonic handpiece for ultrasonic surgical systems of the utility model embodiment, cutter can be made to produce longitudinal direction and shaken Dynamic and circuit oscillation compound motion, thus greatly facilitates operative process, while improves cutting efficiency, reduces knife Have wound face between frictional force, so as to reduce the cutting temperature of wound face, and cutter can be avoided due to stress concentration and It is broken.

In addition, can also be had such as according to the ultrasonic handpiece for ultrasonic surgical systems of the utility model above-described embodiment Additional technical characteristic down：

According to some embodiments of the utility model, the hunting frequency is 1Hz-25Hz.

According to some embodiments of the utility model, the hunting frequency is 1Hz-15Hz.

According to some embodiments of the utility model, the transducer is coaxially connected with the ultrasonic transformer, the ultrasonic transformer Supported by luffing rod bearing, the transducer is supported by transducer bearing.

According to some embodiments of the utility model, the housing includes：Enclosure body, sleeve and tail-hood, the sleeve It is partially projecting into the enclosure body and is fixed with the enclosure body, the tail-hood closes the remote of the enclosure body One end of the sleeve.

The ultrasonic handpiece for ultrasonic surgical systems of the utility model above-described embodiment can also include：Flexible connection Pipe, the inner of the flexible steel in flat section tubing is connected with the transducer, and the outer end of the flexible steel in flat section tubing is connected with the tail-hood.

According to some embodiments of the utility model, one end of the remote tail-hood of the sleeve is close by flexible gasket Envelope.

According to some embodiments of the utility model, the motor is located at the lower section of the transducer.

According to some embodiments of the utility model, the motor shaft of the motor is supported by motor axle bearing.

According to the ultrasonic surgical systems of the utility model another aspect embodiment, including above-described embodiment is used for ultrasonic hand The ultrasonic handpiece of art system.

Brief description of the drawings

Fig. 1 is the schematic diagram according to the ultrasonic handpiece for ultrasonic surgical systems of the utility model embodiment.

Reference：

Ultrasonic handpiece 100, transducer 1, ultrasonic transformer 2, oscillatory gearing mechanism 3, swing mechanism 31, motor 32, luffing Rod bearing 4, transducer bearing 5, enclosure body 6, sleeve 7, tail-hood 8, flexible steel in flat section tubing 9, flexible gasket 10, motor axle bearing 11。

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect or can communicate with one another；Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be two element internals connection or two elements interaction relationship.For one of ordinary skill in the art For, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

The ultrasonic handpiece for ultrasonic surgical systems according to the utility model embodiment is described in detail below in conjunction with the accompanying drawings 100。

Shown in reference picture 1, it can be wrapped according to the ultrasonic handpiece 100 for ultrasonic surgical systems of the utility model embodiment Include housing, transducer 1, ultrasonic transformer 2, cutter (be assemblied in the front end of ultrasonic transformer 2, figure not shown in) and oscillatory gearing mechanism 3.

Transducer 1 is arranged in housing, and transducer 1 is used to ultrasonic signal being converted into mechanical wave.

Ultrasonic transformer 2 is arranged in housing.Specifically, ultrasonic transformer 2 is connected between cutter and transducer 1.Ultrasonic transformer 2 will change Cutter can be delivered to again after the mechanical wave progress Amplitude amplification of device 1, so that longitudinal direction (schematically illustrate) ultrasonic vibration occurs for cutter.

Oscillatory gearing mechanism 3 includes swing mechanism 31 and motor 32, and motor 32 is arranged to pass through swing mechanism 31 driving cutters, ultrasonic transformer 2 and transducer 1 are swung around the central axis of cutter, and hunting frequency is 1Hz-35Hz.Having In body embodiment, swing mechanism 31 can be crank-rocker mechanism, but not limited to this.Specifically, motor 32 produces rotation Motion, driving swing mechanism 31 move.Rotary motion is changed into swinging by swing mechanism 31, and drives transducer 1 to swing together, pendulum Dynamic motion passes to cutter through ultrasonic transformer 2 again, is achieved in the circuit oscillation of cutter.

According to the ultrasonic handpiece 100 for ultrasonic surgical systems of the utility model embodiment, because there is provided driving electricity Machine 32, and the motor 32 drives transducer 1 to swing by swing mechanism 31, thus makes to be arranged on ultrasonic handpiece 100 The cutter of front end can also carry out circuit oscillation while extensional vibration, so that cutter produces extensional vibration and put with circumferential Dynamic compound motion, then coordinate special ultrasonic cutter, it can be cut with the bone to operative site, drill, be ground Operation, enormously simplify surgical procedure, while improve cutting efficiency, reduce the frictional force between cutter and wound face, from And the cutting temperature of wound face is reduced, and cutter can be avoided to be broken due to stress concentration.Meanwhile by by cutter Hunting frequency is controlled in 1Hz-35Hz so that the vibration of ultrasonic handpiece 100 is moderate, and operator can easily grip, and above-mentioned Frequency also make it that the cutting of cutter, mill bone efficiency are excellent.

In a further embodiment, the hunting frequency of cutter can be 1Hz-25Hz.So, cut, mill bone effect enters one Step lifting, while vibrate further reduction.Further, the hunting frequency of cutter can be 1Hz-15Hz, thus cut, grind bone Effect is more preferable, while vibration is smaller, more easy to grip.

In addition, the swing angle of cutter is also directly connected to vibration and cutting, the mill bone effect of ultrasonic handpiece 100. In some embodiments, by the way that the swing angle of cutter is controlled at 1 ° -40 ° so that the vibration of ultrasonic handpiece 100 is moderate, operation Person can easily grip, and above-mentioned angle also make it that the cutting of cutter, mill bone efficiency are excellent.In a further embodiment, knife The swing angle of tool can be 1 ° -30 °.So, cutting, mill bone effect are further lifted, while vibrate further reduction.Enter again One step, the swing angle of cutter can be 1 ° -20 °, and thus cutting, mill bone effect are more preferable, while vibration is smaller, more easy to grip.

In addition, as most preferred embodiment, the swing angle of cutter is 1 ° -20 ° and hunting frequency is 1Hz-15Hz.

Transducer 1 is coaxially connected with ultrasonic transformer 2, and ultrasonic transformer 2 is supported by luffing rod bearing 4, and transducer 1 is by transducer Bearing 5 is supported.Under the driving of swing mechanism 31, transducer 1 can be swung with ultrasonic transformer 2 in circumferencial direction.

Housing can include enclosure body 6, sleeve 7 and tail-hood 8.In certain embodiments, enclosure body 6 is used for fixed change Can device 1, swing mechanism 31 and motor 32.Sleeve 7 is partially projecting into enclosure body 6 and fixed with enclosure body 6, and And sleeve 7 is used to fix ultrasonic transformer 2.Tail-hood 8 is used for the one end for closing the remote sleeve 7 of enclosure body 6, thus can prevent ash Dirt, debris etc. enter inside ultrasonic handpiece 100.

The ultrasonic handpiece 100 for ultrasonic surgical systems of the utility model above-described embodiment can also include flexible connection Pipe 9, the inner of flexible steel in flat section tubing 9 are connected with transducer 1, and the outer end of flexible steel in flat section tubing 9 is connected with tail-hood 8.Preferably, it is flexible to connect Adapter 9 is hollow structure, and inside has complete fluid path, and in surgical procedure, physiological saline and so on liquid can be from the outside through The hollow pipeline of flexible steel in flat section tubing 9 enters operative site, meets operation demand.

One end (one end for installing cutter) of the remote tail-hood 8 of sleeve 7 is sealed by flexible gasket 10.Specifically, it is soft Property sealing gasket 10 be used to ultrasonic handpiece 100 carrying out sealing protection, as shown in figure 1, the inner ring of flexible gasket 10 is fixed on change On width bar 2, its outer ring is fixed on sleeve 7, and when ultrasonic transformer 2 is swung, flexible gasket 10 can realize sealing function, so as to Prevent liquid, tissue residue etc. from entering the inside of ultrasonic handpiece 100 and damaging parts.

In the specific embodiment shown in Fig. 1, motor 32 is located at the lower section of transducer 1.Further, motor 32 motor shaft is supported by motor axle bearing 11.

According to the ultrasonic surgical systems of the utility model another aspect embodiment, including above-described embodiment is used for ultrasonic hand The ultrasonic handpiece 100 of art system.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the feature for combining the embodiment or example description It is contained at least one embodiment or example of the present utility model.In this manual, to the schematic representation of above-mentioned term Necessarily it is directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.In addition, those skilled in the art can be by this Different embodiments or example described in specification are engaged and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims

A kind of 1. ultrasonic handpiece for ultrasonic surgical systems, it is characterised in that including：

Housing；

Transducer, the transducer are arranged in the housing；

Ultrasonic transformer, the ultrasonic transformer are arranged in the housing；

Cutter, the ultrasonic transformer are connected between the cutter and the transducer；

Oscillatory gearing mechanism, the oscillatory gearing mechanism include swing mechanism and motor, and the motor is arranged to lead to Crossing the swing mechanism drives cutter, ultrasonic transformer and the transducer to be swung around the central axis of the cutter, and swings Frequency is 1Hz-35Hz, and the transducer is coaxially connected with the ultrasonic transformer, and the ultrasonic transformer is supported by luffing rod bearing, The transducer is supported by transducer bearing.
2. the ultrasonic handpiece according to claim 1 for ultrasonic surgical systems, it is characterised in that the hunting frequency is 1Hz-25Hz。
3. the ultrasonic handpiece according to claim 2 for ultrasonic surgical systems, it is characterised in that the hunting frequency is 1Hz-15Hz。
4. the ultrasonic handpiece according to claim 1 for ultrasonic surgical systems, it is characterised in that the housing includes：

Enclosure body, sleeve and tail-hood, the sleeve part it extend into the enclosure body and consolidates with the enclosure body Fixed, the tail-hood closes one end of the remote sleeve of the enclosure body.
5. the ultrasonic handpiece according to claim 4 for ultrasonic surgical systems, it is characterised in that also include：Flexibility is even Adapter, the inner of the flexible steel in flat section tubing is connected with the transducer, and the outer end of the flexible steel in flat section tubing and the tail-hood phase Even.
6. the ultrasonic handpiece according to claim 4 for ultrasonic surgical systems, it is characterised in that the sleeve it is remote One end of the tail-hood is sealed by flexible gasket.
7. the ultrasonic handpiece according to claim 1 for ultrasonic surgical systems, it is characterised in that the motor position In the lower section of the transducer.
8. the ultrasonic handpiece according to claim 7 for ultrasonic surgical systems, it is characterised in that the motor Motor shaft is supported by motor axle bearing.
9. a kind of ultrasonic surgical systems, it is characterised in that including being used for ultrasonic hand according to any one of claim 1-8 The ultrasonic handpiece of art system.