CN107184244A

CN107184244A - A kind of medical hardware electric saw

Info

Publication number: CN107184244A
Application number: CN201710519662.3A
Authority: CN
Inventors: 莫廷英
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-30
Filing date: 2017-06-30
Publication date: 2017-09-22

Abstract

The invention discloses a kind of medical hardware electric saw, the main housing by diamond wire, drive device and receiving drive device is constituted, and the front portion of the housing is irdome, and rear portion is Handheld Division, the irdome is to be provided with long and narrow through hole on the cavity of a semi-circular shape, the inner arc face of the cavity；Also include diamond wire positioner, the push rod that the diamond wire positioner is inserted into the cavity including one end and the depth adjustment element for controlling push rod insertion cavity depth, push rod is flexible into radian corresponding with inside annular housing, the front end of the push rod is provided with extension spring, one end of the extension spring is deep into cavity from the through hole and is connected with push rod end, the forward end connection of the other end and diamond wire.A kind of medical hardware electric saw of the present invention, the arching trajectory movement that its interior diamond wire for being used to cut may be implemented in semi-annular chambers body, so that the security of sawing is not only increased, while may be implemented in disposable completion osteodiastasis surgical work in small space.

Description

A kind of medical hardware electric saw

Technical field

The present invention is on a kind of bone surgery instrument, more particularly to a kind of medical hardware electric saw.

Background technology

Bone saw for medical purposes is the surgical instrument commonly used in bone surgery, the shortcoming of existing bone saw for medical purposes：1. the security of saw blade Difference can not carry out disposable osteodiastasis work in the relative narrow space of surgical environments, and in order to increase operative space, it is necessary to Unnecessary cutting is carried out to the muscle of patient, while also needing to coordinate muscular retractor to draw muscle, fully exposed Saw bone work can be just smoothly completed under conditions of surgical field of view；2. existing bone saw for medical purposes function is relatively simple, during saw Easily it is dislocated, causes error, what influence was performed the operation is normally carried out.

The content of the invention

In view of this, it is an object of the invention to provide a kind of medical hardware electric saw, a kind of medical hardware electric saw Advantage is can be in surgical environments with respect to the disposable osteodiastasis work of narrow space progress, and the bone face after cutting is smooth, good Position, solving existing bone saw can not be in surgical environments with respect to narrow space progress disposable deep mask work and saw During be easily dislocated, cause error technical problem.

The present invention solves above-mentioned technical problem by following technological means：

A kind of medical hardware electric saw of the present invention, mainly by diamond wire, the reciprocating drive device of driving diamond wire, Yi Jirong Receive the housing composition of drive device, the front portion of the housing is irdome, and rear portion is Handheld Division, and the irdome is a semi-circular shape Long and narrow through hole is provided with cavity, the inner arc face of the cavity；Also include diamond wire positioner, the diamond wire positioning The push rod that device is inserted into the cavity including one end and the depth adjustment element for controlling push rod insertion cavity depth, institute State push rod to be made up of elastomeric material, push rod is flexible into radian corresponding with inside annular housing, and the front end of the push rod is set There is extension spring, one end of the extension spring is deep into cavity from the through hole to be connected with push rod end, the other end and diamond wire Forward end is connected.

Further, the drive device includes motor, the decelerator being connected with motor, the power output with decelerator Hold the bent axle of drive connection, the tail end connection of the bent axle and diamond wire.

Further, the drive device also includes being used to adjust the elastic governor motion of driving-chain, the governor motion bag Include swing arm, second back-moving spring, breast wheel and fixed pulley, one end axial restraint connection of the breast wheel and swing arm is circumferentially rotated Coordinate, the other end of swing arm is hinged on housing, and one end of the second back-moving spring is connected on housing, second back-moving spring The other end it is butted in swing arm, the diamond wire is bypassed after breast wheel and fixed pulley successively to be connected with extension spring.

Further, the depth adjustment element includes hand pressure handle and (the first back-moving spring, the hand pressure handle and push rod End is fixedly connected, and described (the first back-moving spring one end is connected with housing, and the other end is butted on hand pressure handle.

Further, the Handheld Division is provided with a regulation chamber for being available for swing arm to swing wherein, the regulation chamber with it is tight Set by irdome, the fixed pulley is arranged on the connecting place of regulation chamber and irdome.

Further, in addition to the switch for controlled motor connecting and disconnecting of the circuit, the switch is arranged on hand pressure handle.

Further, the push rod is made up of spring steel material.

Beneficial effects of the present invention：A kind of medical hardware electric saw of the present invention, it is mainly reciprocal by diamond wire, driving diamond wire The drive device of motion and the housing composition for accommodating drive device, the front portion of the housing is irdome, and rear portion is Handheld Division, The irdome is to be provided with long and narrow through hole on the cavity of a semi-circular shape, the inner arc face of the cavity；Also include diamond wire Positioner, the diamond wire positioner includes the push rod that is inserted into the cavity of one end and for controlling push rod to insert chamber The depth adjustment element of body depth, the push rod is made up of elastomeric material, and push rod is flexible into corresponding with inside annular housing Radian, the front end of the push rod is provided with extension spring, and one end of the extension spring is deep into cavity and push rod end from the through hole Portion is connected, and the forward end of the other end and diamond wire is connected.A kind of medical hardware electric saw of the present invention, is used for the gold cut in it The arching trajectory movement that firm line may be implemented in semi-annular chambers body, so that the security of sawing is not only increased, while can realize It is disposable in small space to complete osteodiastasis surgical work.

Brief description of the drawings

The invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is that push rod front end pushes to forward irdome in a kind of structural representation of medical hardware electric saw of the present invention, figure Front end；

Fig. 2 is that push rod front end is dropped back to the middle part of irdome in a kind of structural representation of medical hardware electric saw of the present invention, figure.

Embodiment

Below with reference to accompanying drawing, the present invention is described in detail：

As shown in Figure 1-2, a kind of medical hardware electric saw in the present embodiment, is mainly moved back and forth by diamond wire 1, driving diamond wire Drive device 2 and accommodate drive device housing 3 constitute, wherein the surface of the diamond wire 1 is bonded with diamond Grain；

The drive device 2 includes motor, the decelerator being connected with motor, the clutch end drive connection with decelerator Bent axle 9, the bent axle 9 is connected with the tail end of diamond wire 1；The drive device also includes being used to adjust the elastic tune of driving-chain Mechanism is saved, the governor motion includes swing arm 10, second back-moving spring 11, breast wheel 12 and fixed pulley 13, the breast wheel 12 It is connected with one end axial restraint of swing arm 10 and circumferentially rotates cooperation, the other end of swing arm 10 is hinged on housing, described second answers Position spring 11 one end be connected on housing, the other end of second back-moving spring 11 is butted in swing arm 10, the diamond wire 1 according to The secondary breast wheel 12 that bypasses after fixed pulley 13 with extension spring 6 with connecting；The front portion of the housing is irdome 7, and rear portion is Handheld Division 8, described Handheld Division is provided with a regulation chamber 16 for being available for swing arm 10 to swing wherein, and the regulation chamber 16 against irdome 7 with setting, institute State the connecting place that fixed pulley 13 is arranged on regulation chamber 16 and irdome 7；The irdome 7 is the cavity of a semi-circular shape, the cavity Inner arc face on be provided with long and narrow through hole 4；Also include diamond wire positioner, the diamond wire positioner includes one end The push rod 5 being inserted into the cavity and the depth adjustment element for controlling push rod insertion cavity depth, the depth adjustment Element includes hand pressure handle 14 and (the first back-moving spring 15, and the hand pressure handle 14 is fixedly connected with the end of push rod 5, and described first The one end of back-moving spring 15 is connected with housing 3, and the other end is butted on hand pressure handle 14；The push rod 5 is made up of spring steel material, pushes away Bar 5 is flexible into radian corresponding with inside annular housing, and the front end of the push rod 5 is provided with extension spring 6, the one of the extension spring 6 End is deep into cavity from the through hole to be connected with the end of push rod 5, and the other end is connected with the forward end of diamond wire 1.Also wrap The switch 17 for controlled motor connecting and disconnecting of the circuit is included, the switch 17 is arranged on hand pressure handle 14, the switch 17 preferably pressure Electric switch.

The application method and operation principle of a kind of medical hardware electric saw of the present invention are as follows：First, in band separation bone tissue week The muscle on side, which cuts one, can accommodate the opening of irdome entrance, then send into irdome by the opening and catch on the bone group with separation Knit, switch on power, drive diamond wire to move back and forth by switching control drive device, promoted forward by pressing hand pressure handle Bar, diamond wire is moved back and forth under the pulling of push rod while being moved to irdome front end, so as to complete in relatively narrow and small hand Art space disposably completes the cutting separating operation of targeted bony tissue.Because a kind of irdome of medical hardware electric saw of the present invention is half The cavity of annular, if keeping irdome is motionless to will be unable to disposable sawing bone tissue completely in cutting, so in order to ensure Disposable sawing bone tissue centered on bone tissue in cutting, it is necessary to swing Handheld Division.

Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this Among the right of invention.

Claims

1. a kind of medical hardware electric saw, mainly by diamond wire（1）, driving the reciprocating drive device of diamond wire（2）, Yi Jirong Receive the housing of drive device（3）Composition, it is characterised in that：The front portion of the housing is irdome（7）, rear portion is Handheld Division（8）, institute State irdome（7）For the cavity of a semi-circular shape, long and narrow through hole is provided with the inner arc face of the cavity（4）；Also include gold Firm line positioner, the diamond wire positioner includes the push rod that one end is inserted into the cavity（5）Pushed away with for control Bar inserts the depth adjustment element of cavity depth, the push rod（5）It is made up of elastomeric material, push rod（5）It is flexible into annular The corresponding radian of inside cavity, the push rod（5）Front end be provided with extension spring（6）, the extension spring（6）One end from the through hole Place is deep into cavity and push rod（5）End is connected, the other end and diamond wire（1）Forward end connection.

2. a kind of medical hardware electric saw according to claim 1, it is characterised in that：The drive device（2）Including motor, Decelerator, the bent axle with the clutch end drive connection of decelerator being connected with motor（9）, the bent axle（9）With gold Firm line（1）Tail end connection.

3. a kind of medical hardware electric saw according to claim 2, it is characterised in that：The drive device also includes being used to adjust The elastic governor motion of driving-chain is saved, the governor motion includes swing arm（10）, second back-moving spring（11）, breast wheel（12）With Fixed pulley（13）, the breast wheel（12）With swing arm（10）The connection of one end axial restraint circumferentially rotate cooperation, swing arm（10）'s The other end is hinged on housing, the second back-moving spring（11）One end be connected on housing, second back-moving spring（11）'s The other end is butted in swing arm（10）On, the diamond wire（1）Breast wheel is bypassed successively（12）With fixed pulley（13）Afterwards with extension spring（6） Even.

4. a kind of medical hardware electric saw according to claim 3, it is characterised in that：The depth adjustment element includes hand pressure Handle（14）And (the first back-moving spring（15）, the hand pressure handle（14）With push rod（5）End be fixedly connected, it is described first reset Spring（15）One end and housing（3）Connection, the other end is butted in hand pressure handle（14）On.

5. a kind of medical hardware electric saw according to claim 4, it is characterised in that：The Handheld Division is provided with one and is available for Swing arm（10）The regulation chamber swung wherein（16）, the regulation chamber（16）With against irdome（7）Set, the fixed pulley（13） It is arranged on regulation chamber（16）With irdome（7）Connecting place.

6. a kind of medical hardware electric saw according to claim 5, it is characterised in that：Also include leading to for controlled motor circuit Disconnected switch（17）, the switch（17）It is arranged on hand pressure handle（14）On.

7. a kind of medical hardware electric saw according to claim 5, it is characterised in that：The push rod（5）By spring steel material It is made.