CN204698643U - Medical operation high-speed grinding power handle - Google Patents
Medical operation high-speed grinding power handle Download PDFInfo
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- CN204698643U CN204698643U CN201520189515.0U CN201520189515U CN204698643U CN 204698643 U CN204698643 U CN 204698643U CN 201520189515 U CN201520189515 U CN 201520189515U CN 204698643 U CN204698643 U CN 204698643U
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Abstract
Medical operation high-speed grinding power handle disclosed in this utility model, comprise handle casing, motor in handle casing and for being connected to transmission connection piece between motor and scalpel assembly by driven type, described motor front is provided with adjustable sealing mechanism, by carrying out encapsulation process to the motor be built in power handle, power handle is facilitated to clean, sterilization treatment, avoid motor corrosion and damage and to cutter head pollute while, the conversion of sealing and non-tight state is realized by adjustable sealing mechanism, ensure that power handle is in high-revolving situation, sealing ring can not wear and tear with corresponding rotating shaft, ensure the sealing effectiveness of sealing ring, improve service life, guarantee operation process is clean, efficiently, adjustable sealing mechanism realizes seal failure and static seal by assigning and extract scalpel assembly, structure is simple, easy to operate, transmission efficiency is high, be particularly suitable for the operation of joint surgery osseous tissue or soft tissue excision.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is particularly a kind ofly applicable to medical grinding in spinal surgery, orthopaedics and neurosurgery or planing power handle.
Background technology
In spinal surgery, orthopaedics and neurosurgery, need to carry out mill by the planing of rotation, the osseous tissue etc. of mode to pathological changes of grinding and cut operation and open internal channel; Owing to needing to drive cutter head rotate and have certain operability, thus need to be furnished with main control system and by power transmission to the handle of cutter head, main control system is driven cutter head by the motor being located at power handle in control and realizes controlling, to complete operation process smoothly.In prior art, in order to ensure cleaning inside and outside power handle, operation tool is avoided to cause infection to patient, need to carry out cleaned at regular intervals maintenance and sterilization treatment to power handle and detachable cutter head, in processing procedure, need to carry out encapsulation process to motor, power handle tail end is connected with main control system by arranging sealing cable, the front end of motor is by arranging sealing member to motor forward end seal, but when power handle rotating speed is too high, sealing ring and corresponding rotating shaft can occur to wear and tear thus seal failure.
Therefore, need to improve existing operation power handle, the static seal effect of motor in power handle can be ensured, when ensureing that power handle is in high speed rotating, sealing ring can not wear and tear with corresponding rotating shaft, ensure the sealing effectiveness of sealing ring, improve service life, ensure that operation process is clean, efficient.
Utility model content
A kind of medical operation high-speed grinding power handle that this utility model provides, the static seal effect of motor in power handle can be ensured, when ensureing that power handle is in high speed rotating, sealing ring can not wear and tear with corresponding rotating shaft, ensure the sealing effectiveness of sealing ring, improve service life, ensure that operation process is clean, efficient.
Medical operation high-speed grinding power handle of the present utility model, comprise handle casing, motor in handle casing and for being connected to transmission connection piece between motor and scalpel assembly by driven type, described motor front is provided with adjustable sealing mechanism.
Further, drive transmission connection piece slide axially and fixedly make adjustable sealing mechanism seal failure during described scalpel modular connector, when scalpel assembly takes out, transmission connection piece axially resets and slides and fixedly make adjustable sealing mechanism realize static seal.
Further, described adjustable sealing mechanism comprises the back-up block being arranged at and forming sealing between motor and transmission connection piece, described transmission connection piece back-end sealing can be connected by driven type with motor through the back-up block being provided with sealing ring, and transmission connection piece is can mode to arrange and surface is provided with annular groove or bulge loop for making to be formed between transmission connection piece and the sealing ring of back-up block annular gap in axial sliding.
Further, described transmission connection piece is connected with electric-motor drive by a clutch, can close by driving clutch, form annular gap when clutch closes between described transmission connection piece and the sealing ring of back-up block when described transmission connection piece slides backward.
Further, described clutch comprises the clutch driving link and clutch driven member that are in transmission connection with motor and transmission connection piece respectively, and described clutch driven member front and back end is respectively arranged with clutch shaft bearing and the second bearing.
Further, the inner ring of described clutch shaft bearing is connected in the mode of axial restraint with clutch driven member, and outer ring and described handle casing inwall are can mode be connected in axial sliding.
Further, described clutch shaft bearing is along its axial pretightning force be provided with forward.
Further, described clutch driving link is provided with bar shaped pin hole and by the power output shaft of a spacer pin and motor with axially slidably and the fixing mode of circumference is connected, and described clutch driving link is provided with an axial pretightning force forward.
Further, the scalpel identification elements for identifying scalpel assembly is also comprised.
Further, described handle housing is provided with the button for controlling described power handle duty.
The beneficial effects of the utility model: the medical operation high-speed grinding power handle that this utility model provides, by carrying out encapsulation process to the motor be built in power handle, power handle is facilitated to clean, sterilization treatment, avoid motor corrosion and damage and to cutter head pollute while, the conversion of sealing and non-tight state is realized by adjustable sealing mechanism, ensure that power handle is in high-revolving situation, sealing ring can not wear and tear with corresponding rotating shaft, ensure the sealing effectiveness of sealing ring, improve service life, guarantee operation process is clean, efficiently, adjustable sealing mechanism realizes seal failure and static seal by assigning and extract scalpel assembly, structure is simple, easy to operate, transmission efficiency is high, be particularly suitable for the operation of joint surgery osseous tissue or soft tissue excision.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
The structural representation that Fig. 1 provides for this utility model;
The part-structure schematic diagram that Fig. 2 provides for this utility model;
The structural representation of the transmission connection piece that Fig. 3 provides for this utility model.
Detailed description of the invention
The structural representation that Fig. 1 provides for this utility model, the part-structure schematic diagram that Fig. 2 provides for utility model, the structural representation of the transmission connection piece that Fig. 3 provides for this utility model, as shown in the figure, medical operation high-speed grinding power handle in the present embodiment, comprise handle casing 1, motor 2 in handle casing 1 and for transmission connection piece 3 between motor 2 and scalpel assembly can be connected to by driven type, described motor 2 front end is provided with adjustable sealing mechanism, adjustable expression sealing mechanism can carry out the conversion that seals between non-tight herein, when adjustable sealing mechanism is in non-tight state, power handle high speed rotating, sealing ring in adjustable sealing mechanism does not wear and tear with corresponding rotating shaft, ensure the sealing of sealing ring, when cleaning power handle, when maintenance or sterilizing, sealing state is converted to by adjustable sealing mechanism, power handle built-in motor is made to be in static seal state, realize good sterilization effect, reach the object that protection motor 2 is not corroded, and can connect and represent that transmission connection piece can be used as transmission with to combine with scalpel respectively and the Power output of motor is taken out and is in transmission connection by driven type, also can be separated with the power output shaft of scalpel assembly or motor, as in the present embodiment, preferably when adjustable sealing mechanism is in sealing state, transmission connection piece is separated with the power output shaft of motor, under ensureing static seal state, the sealing ring 41 of back-up block 4 is not worn.
In the present embodiment, drive transmission connection piece slide axially and fixedly make adjustable sealing mechanism seal failure during described scalpel modular connector, when scalpel assembly takes out, transmission connection piece axially resets and slides and fixedly make adjustable sealing mechanism realize static seal; By scalpel assembly, keying conversion being carried out to adjustable sealing mechanism, without the need to separately establishing the driving device of adjustable sealing mechanism, making compact conformation, easy to operate.
In the present embodiment, described adjustable sealing mechanism comprises the back-up block 4 being arranged at and forming sealing between motor 2 and transmission connection piece 3, described transmission connection piece 3 back-end sealing can be connected by driven type with motor 2 through the back-up block 4 being provided with sealing ring 41, and transmission connection piece 3 is can mode to arrange and surface is provided with annular groove 31 or bulge loop for making to be formed between the sealing ring 41 of transmission connection piece 3 and back-up block 4 annular gap 42 in axial sliding, annular groove 31 is formed radially annular gap 42 with sealing ring 41, or the axis of bulge loop and sealing ring 41 forms annular gap, be preferably transmission connection piece 3 and annular groove 41 groove is set, sealed by prior art between described back-up block 4 and handle casing 1 inner circle, transmission connection piece 3 is sealed by O type circle with back-up block 4, insertion power handle during installation and removal by surgical knife tool component and extract power handle and realize driving the axial reciprocating of transmission connection piece 3, and then form annular gap 42 between transmission connection piece 3 and the sealing ring 41 of back-up block 4 when ensureing that power handle works, transmission connection piece 3 is avoided to rub with the inner seal ring 41 of back-up block 4, ensure that transmission connection piece 3 can high speed rotating.
In the present embodiment, described transmission connection piece 3 is in transmission connection by a clutch and motor 2, when described transmission connection piece 3 slides backward and can close by driving clutch, when clutch closes, between described transmission connection piece 3 and the sealing ring of back-up block 4, form annular gap 42; When annular groove 31 and sealing ring 41 axile displacement supported, clutch separation, avoid power handle when static seal because transmission connection piece 3 rotates to cause and wear and tear to the sealing ring 41 of back-up block 4, ensure the sealing of sealing ring 41 and improve the service life of sealing ring 41.
In this enforcement, described clutch comprises the clutch driving link 51 and clutch driven member 52 that are in transmission connection with motor 2 and transmission connection piece 3 respectively, the power output shaft of described clutch driving link, clutch driven member, transmission connection piece and motor is all coaxially arranged, described clutch driven member 52 front and back end is respectively arranged with clutch shaft bearing 61 and the second bearing 62, clutch shaft bearing 61 and the second bearing 62 coaxially arrange better with the alignment of the power output shaft ensureing transmission connection piece and motor, ensure the stability that transmission connection piece 3 rotates, improve transmission efficiency.
In the present embodiment, the inner ring of described clutch shaft bearing 61 is connected in the mode of axial restraint with clutch driven member 52, and outer ring and described handle casing 1 inwall are can mode be connected in axial sliding; The both sides that described clutch driven member 52 front end is positioned at clutch shaft bearing 61 arrange limiting stand 521 and jump ring 522 respectively, when ensureing that clutch driven member 52 slides axially, second bearing 62 of the clutch shaft bearing 61 be synchronized with the movement and axial restraint coordinates the alignment ensureing clutch driven member 52 and clutch driving link 51, guarantee stable transmission, avoid other moments of torsion to disturb.
In the present embodiment, described clutch shaft bearing 61 is axially provided with pretightning force forward along it, axially all represent the axis of power handle, arranging scalpel assembly end is front end, the column spring that one is coated at clutch driven member 52 is provided with between described clutch shaft bearing 61 and the second bearing 62, described column spring axially provides thrust forward to clutch shaft bearing 61 along it, when after dismounting scalpel assembly, under the promotion of column spring, clutch driven member 52 and transmission connection piece 3 travel forward, automatically static seal and clutch separation is realized, structure is simple, easy for installation, simplify the operation course.
In the present embodiment, described clutch driving link 51 is provided with bar shaped pin hole 511 and by the power output shaft of a spacer pin 512 and motor 2 with axially slidably and the fixing mode of circumference is connected, described clutch driving link 51 is provided with an axial pretightning force forward, described pretightning force is provided by a column spring, pass through said structure, clutch driving link 51 is axially slidably arranged can be eliminated clutch driven member 52 and the axial rigging error of clutch driving link 51 and cause transmission failure, ensures effective engagement of clutch.
In the present embodiment, also comprise the scalpel identification elements 7 for identifying scalpel assembly; This scalpel identification elements 7 can adopt the identification equipment of prior art, such as infrared sensor, digital coding or electromagnetism identification etc., and the present embodiment adopts solenoid to identify, structure is simple, and use cost is low; Certainly, identify that the data information transfer of scalpel is to main frame, is undertaken judging and reporting to the police by main frame.
In the present embodiment, described handle housing is provided with the button 8 for controlling described power handle duty; In described button the present embodiment, button 8 is three altogether, and three buttons control to open and close motor, the rotating forward of adjustment motor and the reversion of adjustment motor respectively, manually control, there is feature that is direct and strong operability, need to select different rotating manner according to operation, such that operation is smooth and easy to be carried out efficiently.
In the present embodiment, described handle casing 1 front end is fixedly installed the outer cutter pipe for installing scalpel assembly and makes the scalpel clip assembly 9 that in scalpel assembly, cutter pipe tail end can be in transmission connection with described transmission connection piece 3; The inner teeth groove 91 that be provided with open front corresponding to the outer cutter pipe of scalpel assembly of described scalpel clip assembly 9; Described teeth groove 91 is along the circumferential direction set up in parallel for multiple and extended to form forward by handle casing 1 front end; Scalpel clip assembly 9 can adopt the clamping mechanism of existing spring interface arrangment or convex falcon and groove, be prior art, do not repeat them here, and the outer cutter pipe afterbody of scalpel assembly is provided with and embeds corresponding fixed lobe with teeth groove 91, multiple teeth groove 91 is beneficial to and improves scalpel assembly installation rate, avoid aiming at single teeth groove 91, increase work efficiency.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail this utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. a medical operation high-speed grinding power handle, comprise handle casing, motor in handle casing and for transmission connection piece between motor and scalpel assembly can be connected to by driven type, it is characterized in that: described motor front is provided with adjustable sealing mechanism; Described adjustable sealing mechanism comprises the back-up block with sealing ring be arranged at for the formation of sealing between motor and transmission connection piece, described transmission connection piece is connected with electric-motor drive by a clutch, can close by driving clutch when described transmission connection piece slides backward, when clutch closes, between described transmission connection piece and the sealing ring of back-up block, form annular gap.
2. medical operation high-speed grinding power handle according to claim 1, it is characterized in that: drive transmission connection piece slide axially and fixedly make adjustable sealing mechanism seal failure during described scalpel modular connector, when scalpel assembly takes out, transmission connection piece axially resets and slides and fixedly make adjustable sealing mechanism realize static seal.
3. medical operation high-speed grinding power handle according to claim 1 and 2, it is characterized in that: described transmission connection piece back-end sealing can be connected by driven type with motor through the back-up block being provided with sealing ring, transmission connection piece is can mode to arrange and surface is provided with annular groove or bulge loop for making to be formed between transmission connection piece and the sealing ring of back-up block annular gap in axial sliding.
4. medical operation high-speed grinding power handle according to claim 3, it is characterized in that: described clutch comprises the clutch driving link and clutch driven member that are in transmission connection with motor and transmission connection piece respectively, described clutch driven member front and back end is respectively arranged with clutch shaft bearing and the second bearing.
5. medical operation high-speed grinding power handle according to claim 4, is characterized in that: the inner ring of described clutch shaft bearing is connected in the mode of axial restraint with clutch driven member, and outer ring and described handle casing inwall are can mode be connected in axial sliding.
6. medical operation high-speed grinding power handle according to claim 5, is characterized in that: described clutch shaft bearing is axially provided with pretightning force forward along it.
7. medical operation high-speed grinding power handle according to claim 4, it is characterized in that: described clutch driving link is provided with bar shaped pin hole and by the power output shaft of a spacer pin and motor with axially slidably and the fixing mode of circumference is connected, described clutch driving link is provided with an axial pretightning force forward.
8. medical operation high-speed grinding power handle according to claim 1, is characterized in that: also comprise the scalpel identification elements for identifying scalpel assembly.
9. medical operation high-speed grinding power handle according to claim 1, is characterized in that: described handle housing is provided with the button for controlling described power handle duty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189515.0U CN204698643U (en) | 2015-03-31 | 2015-03-31 | Medical operation high-speed grinding power handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189515.0U CN204698643U (en) | 2015-03-31 | 2015-03-31 | Medical operation high-speed grinding power handle |
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| Publication Number | Publication Date |
|---|---|
| CN204698643U true CN204698643U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520189515.0U Active CN204698643U (en) | 2015-03-31 | 2015-03-31 | Medical operation high-speed grinding power handle |
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| CN (1) | CN204698643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496498A (en) * | 2015-12-14 | 2016-04-20 | 黄少安 | Medical planing device |
| CN115068050A (en) * | 2022-07-29 | 2022-09-20 | 重庆西山科技股份有限公司 | Medical grinding cutter and dynamic sealing structure thereof |
-
2015
- 2015-03-31 CN CN201520189515.0U patent/CN204698643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496498A (en) * | 2015-12-14 | 2016-04-20 | 黄少安 | Medical planing device |
| CN115068050A (en) * | 2022-07-29 | 2022-09-20 | 重庆西山科技股份有限公司 | Medical grinding cutter and dynamic sealing structure thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The 401121 northern New District of Chongqing Municipality Jupiter Technology Development Center (Mount Huangshan Middle Road No. 9) Patentee after: CHONGQING XISHAN SCIENCE & TECHNOLOGY CO., LTD. Address before: The 401121 northern New District of Chongqing Municipality Jupiter Technology Development Center (Mount Huangshan Middle Road No. 9) Patentee before: Chongqing Xishan Technology Co., Ltd. |