CN105232111A - Medical electric saw - Google Patents
Medical electric saw Download PDFInfo
- Publication number
- CN105232111A CN105232111A CN201510719326.4A CN201510719326A CN105232111A CN 105232111 A CN105232111 A CN 105232111A CN 201510719326 A CN201510719326 A CN 201510719326A CN 105232111 A CN105232111 A CN 105232111A
- Authority
- CN
- China
- Prior art keywords
- saw blade
- push rod
- driving
- cavity
- medical electric
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a medical electric saw mainly comprising a round saw blade, a drive unit driving the saw blade to rotate, and a housing containing the saw blade and the drive unit; the front portion of the housing is a saw blade cover, and a rear portion is a handle portion; the saw blade cover is a semicircle cavity, and an inner arc surface of the cavity is provided with a narrow and long through hole; the electric saw also comprises a saw blade positioning device; the saw blade positioning device comprises a push rod with one end inserting into the cavity and a depth adjusting element used for controlling the insertion depth of the push rod into the annular cavity; the push rod is made of elastic material, and can bend to an radian level matched with the inner side of the cavity; the center of the saw blade is coaxially fixed with a drive shaft; the drive shaft is rotatably and axially fixed on the end of the push rod; certain part of the saw blade extends outside the through hole. The medical electric saw can improve safety of the saw blade, and can complete osteodiastasis operation works in a narrow space in one time.
Description
Technical field
The present invention, about a kind of bone surgery instrument, particularly relates to a kind of medical electric saw.
Background technology
Bone saw for medical purposes is surgical instrument conventional in bone surgery, the shortcoming of existing bone saw for medical purposes: 1) poor stability of saw blade can not carry out disposable osteodiastasis work at surgical environments relative to narrow space, and in order to increase operative space, with regard to needing, unnecessary cutting is carried out to the muscle of patient, also need to coordinate muscular retractor to draw muscle simultaneously, the work of saw bone could be completed smoothly under the condition fully exposing surgical field of view; 2) existing bone saw for medical purposes function is comparatively simple, is easily dislocated, causes error in the process of saw, normally carrying out of impact operation.
Summary of the invention
In view of this, the object of this invention is to provide a kind of medical electric saw, the advantage of this medical electric saw can carry out disposable osteodiastasis work at surgical environments relative to narrow space, and the surface of bone after cutting smoothly, not misplaces, solve existing bone saw to carry out relative to narrow space being easily dislocated in the process of disposable deep mask work and saw at surgical environments, cause the technical problem of error.
The present invention is solved the problems of the technologies described above by following technological means:
Medical electric saw of the present invention, primarily of the saw blade of circle, the driving device of driving saw blade rotation and the housing composition holding saw blade and driving device, the front portion of described housing is saw blade cover, rear portion is Handheld Division, described saw blade cover is a semiorbicular cavity, and the inner arc face of described cavity has long and narrow through hole; Also comprise saw blade positioning device, described saw blade positioning device comprises the depth adjustment element that one end is inserted into the push rod in described cavity and inserts the annular housing degree of depth for controlling push rod, described push rod is made up of elastomeric material, the radian that the flexible one-tenth of push rod is corresponding to inside cavity, the middle part of described saw blade is coaxially fixedly installed a driving shaft, described driving shaft is axially fixed in the end of push rod rotationally, and a part for described saw blade is stretched out from described through hole.
Further, described driving device comprises the driving-chain of motor, the decelerator be connected with motor-driven, the drivewheel be in transmission connection with the clutch end of decelerator, the driven pulley being coaxially fixedly installed on saw blade side and be in transmission connection drivewheel and driven pulley.The object of decelerator is set, is the torsion increasing saw blade driving shaft, certainly when saw blade size is less, also can saves decelerator, make the clutch end of motor directly and driven pulley be in transmission connection.
Further, described driving device also comprises the governor motion for regulating driving-chain degree of tightness, described governor motion comprises swing arm, the second back-moving spring and breast wheel, described breast wheel is connected circumference with one end axial restraint of swing arm and is rotatably assorted, the other end of swing arm is hinged on housing, one end of described second back-moving spring is connected on housing, and the other end of the second back-moving spring is butted in swing arm, and described driving-chain is around on drivewheel, breast wheel and driven pulley.
Certain about replacing, driving snake also can be adopted to come clutch end and the driving shaft of connection reducer, concrete scheme is as follows: described driving device comprises the driving snake that is in transmission connection of clutch end of motor, the decelerator be connected with motor-driven, one end and decelerator, driving shaft in the middle part of the other end of described driving snake and saw blade is in transmission connection, and the end face of described cavity has along the bearing of trend of cavity the flexible axle slided a described driving snake end of confession wherein and moves through hole.
Further, described depth adjustment element comprises hand pressure handle and the first back-moving spring, and described hand pressure handle is connected with the end winding support of push rod, and described first back-moving spring one end is connected with housing, and the other end is butted on hand pressure handle.
Further, described Handheld Division is provided with a chain that can swing for swing arm wherein and regulates chamber, and described chain regulates intracavity side to be provided with fixed pulley, and described fixed pulley is for adjusting the trend of driving-chain.
Further, also comprise the switch for controlling motor circuit break-make, described switch-linear hybrid is on hand pressure handle.
Further, described push rod is made up of spring steel material.
Beneficial effect of the present invention: medical electric saw of the present invention, primarily of the saw blade of circle, the driving device of driving saw blade rotation and the housing composition holding saw blade and driving device, the front portion of described housing is saw blade cover, rear portion is Handheld Division, described saw blade cover is a semiorbicular cavity, and the inner arc face of described cavity has long and narrow through hole; Also comprise saw blade positioning device, described saw blade positioning device comprises the depth adjustment element that one end is inserted into the push rod in described cavity and inserts the annular housing degree of depth for controlling push rod, described push rod is made up of elastomeric material, the radian that the flexible one-tenth of push rod is corresponding to inside cavity, the middle part of described saw blade is coaxially fixedly installed a driving shaft, described driving shaft is axially fixed in the end of push rod rotationally, and a part for described saw blade is stretched out from described through hole.Medical electric saw of the present invention, the arching trajectory that in it, saw blade can realize in semi-circular cavity moves, thus not only increases the safety of saw blade, can realize disposablely in small space completing osteodiastasis surgical work simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the surface structure schematic diagram of the medical electric saw of the present invention;
Fig. 2 is the internal structure schematic diagram of the medical electric saw of the present invention, and in figure, saw blade pushed forward is to the middle part of annular housing;
Fig. 3 is the internal structure schematic diagram of the medical electric saw of the present invention, and in figure, saw blade pushed forward is to the end of annular housing.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in detail:
As Figure 1-3, medical electric saw in the present embodiment, the driving-chain 8 of the decelerator 5 form primarily of the saw blade 1 of circle, the driving device driving saw blade to rotate and the housing 2 that holds saw blade 1 and driving device, described driving device comprises motor 4, being in transmission connection with motor 4, the drivewheel 6 be in transmission connection with the clutch end of decelerator 5, the driven pulley 7 being coaxially fixedly installed on saw blade side and be in transmission connection drivewheel 6 and driven pulley 7, described driving device also comprises the governor motion for regulating driving-chain degree of tightness, described governor motion comprises swing arm 13, second back-moving spring 14 and breast wheel 15, described breast wheel 15 is connected circumference with one end axial restraint of swing arm 13 and is rotatably assorted, the other end of swing arm 13 is hinged on housing, one end of described second back-moving spring 14 is connected on housing, the other end of the second back-moving spring 14 is butted in swing arm 13, and described driving-chain 8 is around on drivewheel 6, breast wheel 15 and driven pulley 7, the front portion of described housing is saw blade cover 2a, rear portion is Handheld Division 2b, and described Handheld Division 2b can be made into handle shape, can have and allow to point the through hole stretched in the middle of handle, described saw blade cover 2a is the cavity of a semi-circular shape, and the inner arc face of described cavity has long and narrow through hole 3, also comprise saw blade positioning device, described saw blade positioning device comprises the depth adjustment element that one end is inserted into the push rod 9 in described annular housing and inserts cavity depth for controlling push rod, described depth adjustment element comprises hand pressure handle 11 and the first back-moving spring 12, described hand pressure handle 11 is connected with the end winding support of push rod 9, described first back-moving spring 12 one end is connected with housing 2, the other end is butted on hand pressure handle 11, described Handheld Division 2b is between hand pressure handle 11 and saw blade cover 2a, the distance of Handheld Division 2b between hand pressure handle 11 keeps can holding on the other hand, be connected by rigidity body of rod 11a between hand pressure handle 11 with push rod 9, described push rod 9 is made up of spring steel material, the radian that the flexible one-tenth of push rod 9 is corresponding to semi-circular inside cavity, the middle part of described saw blade 1 is coaxially fixedly installed a driving shaft 10, described driving shaft 10 is axially fixed in the end of push rod 9 rotationally, and a part for described saw blade 1 is stretched out from described through hole 3, also comprise the switch 17 for controlling motor circuit break-make, described switch 17 is arranged on hand pressure handle 11, and described switch 17 can preferred Piezoelectric switches.
Using method and the operation principle of the medical electric saw of the present invention are as follows: first, the muscle being separated osseous tissue periphery at band cuts an opening that can hold semi-circular shape cavity and enter, then by this opening semi-circular shape cavity sent into and catch on the osseous tissue that band is separated, switch on power, saw blade is driven to rotate by on-off control driving device, by pressing hand pressure handle driven forward push rod, saw blade 1 rotates while move to front arc under the propelling movement of push rod, thus complete at relatively narrow and small operative space, the disposable cutting and separating operation completing targeted bony tissue.Saw blade cover due to the medical electric saw of the present invention is the cavity of semi-circular shape, if keeping when cutting that saw blade cover is motionless cannot disposable complete sawing osseous tissue, so in order to ensure disposable sawing osseous tissue, need centered by osseous tissue, to swing Handheld Division when saw blade cuts.
As the further improvement of technique scheme, described Handheld Division is provided with a chain that can swing for swing arm 13 wherein and regulates chamber 2c, and described chain regulates intracavity side to be provided with fixed pulley 16, and described fixed pulley 16 is for adjusting the trend of driving-chain 8.The pretightning force that chain regulates chamber 2c that driving-chain can be made to remain certain is set, and then guarantees the problem that there will not be chain releasing in transmission process.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. a medical electric saw, primarily of the saw blade (1) of circle, the driving device of driving saw blade rotation and housing (2) composition holding saw blade (1) and driving device, it is characterized in that: the front portion of described housing is saw blade cover (2a), rear portion is Handheld Division (2b), described saw blade cover (2a) is the cavity of a semi-circular shape, the inner arc face of described cavity has long and narrow through hole (3); Also comprise saw blade positioning device, described saw blade positioning device comprises the depth adjustment element that one end is inserted into the push rod (9) in described annular housing and inserts cavity depth for controlling push rod, described push rod (9) is made up of elastomeric material, the radian that push rod (9) flexible one-tenth is inner corresponding to annular housing, the middle part of described saw blade (1) is coaxially fixedly installed a driving shaft (10), described driving shaft (10) is axially fixed in 17 ends of push rod (9) rotationally, and a part for described saw blade (1) is stretched out from described through hole (3).
2. medical electric saw according to claim 1, is characterized in that: described driving device comprises motor (4), the decelerator (5) that is in transmission connection with motor (4), the drivewheel (6), the driven pulley (7) being coaxially fixedly installed on saw blade side and the drivewheel that is in transmission connection (6) that are in transmission connection with the clutch end of decelerator (5) and driven pulley (7) driving-chain (8).
3. medical electric saw according to claim 2, it is characterized in that: described driving device also comprises the governor motion for regulating driving-chain degree of tightness, described governor motion comprises swing arm (13), second back-moving spring (14) and breast wheel (15), described breast wheel (15) is connected circumference with one end axial restraint of swing arm (13) and is rotatably assorted, the other end of swing arm (13) is hinged on housing, one end of described second back-moving spring (14) is connected on housing, the other end of the second back-moving spring (14) is butted in swing arm (13), described driving-chain (8) is around drivewheel (6), on breast wheel (15) and driven pulley (7).
4. medical electric saw according to claim 3, it is characterized in that: described depth adjustment element comprises hand pressure handle (11) and the first back-moving spring (12), described hand pressure handle (11) is connected with the end winding support of push rod (9), described first back-moving spring (12) one end is connected with housing (2), and the other end is butted on hand pressure handle (11).
5. medical electric saw according to claim 4, it is characterized in that: described Handheld Division is provided with a chain that swing arm (13) can be supplied to swing wherein and regulates chamber (2c), described chain regulates intracavity side to be provided with fixed pulley (16), and described fixed pulley (16) is for adjusting the trend of driving-chain (8).
6. medical electric saw according to claim 5, is characterized in that: also comprise the switch (17) for controlling motor circuit break-make, described switch (17) is arranged on hand pressure handle (11).
7. medical electric saw according to claim 5, is characterized in that: described push rod (9) is made up of spring steel material.
8. medical electric saw according to claim 1, it is characterized in that: described driving device comprises motor (4), the decelerator (5) that is in transmission connection with motor (4), one end and decelerator the driving snake that is in transmission connection of clutch end, driving shaft in the middle part of the other end of described driving snake and saw blade is in transmission connection, and the end face of described cavity has along the bearing of trend of cavity the flexible axle slided a described driving snake end of confession wherein and moves through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719326.4A CN105232111B (en) | 2015-10-30 | 2015-10-30 | Medical electric saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719326.4A CN105232111B (en) | 2015-10-30 | 2015-10-30 | Medical electric saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105232111A true CN105232111A (en) | 2016-01-13 |
| CN105232111B CN105232111B (en) | 2017-11-14 |
Family
ID=55030135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510719326.4A Expired - Fee Related CN105232111B (en) | 2015-10-30 | 2015-10-30 | Medical electric saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105232111B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171895A (en) * | 2018-09-04 | 2019-01-11 | 蒙炳杰 | A kind of cutter for surgical operation tool |
| CN109730742A (en) * | 2019-03-07 | 2019-05-10 | 陈健 | A kind of dedicated orthopaedics saw of bone surgery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040138668A1 (en) * | 2003-01-14 | 2004-07-15 | Fisher Michael G. | Saw blade having a prearranged hub section |
| WO2013016472A1 (en) * | 2011-07-27 | 2013-01-31 | Stryker Ireland Limited | Surgical sagittal saw and blade cartridge, the blade cartridge having reinforcing ribs integral with the blade bar |
| CN204147084U (en) * | 2014-09-29 | 2015-02-11 | 完颜红心 | The simple and easy sternotome saw device of a kind of department of cardiac surgery |
| CN204147085U (en) * | 2014-10-17 | 2015-02-11 | 邹孝军 | Positional dissection bone saw |
-
2015
- 2015-10-30 CN CN201510719326.4A patent/CN105232111B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040138668A1 (en) * | 2003-01-14 | 2004-07-15 | Fisher Michael G. | Saw blade having a prearranged hub section |
| WO2013016472A1 (en) * | 2011-07-27 | 2013-01-31 | Stryker Ireland Limited | Surgical sagittal saw and blade cartridge, the blade cartridge having reinforcing ribs integral with the blade bar |
| CN204147084U (en) * | 2014-09-29 | 2015-02-11 | 完颜红心 | The simple and easy sternotome saw device of a kind of department of cardiac surgery |
| CN204147085U (en) * | 2014-10-17 | 2015-02-11 | 邹孝军 | Positional dissection bone saw |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171895A (en) * | 2018-09-04 | 2019-01-11 | 蒙炳杰 | A kind of cutter for surgical operation tool |
| CN109730742A (en) * | 2019-03-07 | 2019-05-10 | 陈健 | A kind of dedicated orthopaedics saw of bone surgery |
| CN109730742B (en) * | 2019-03-07 | 2023-11-14 | 陈健 | Special orthopedics saw of orthopedics operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105232111B (en) | 2017-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1743593B1 (en) | Arrangement for transmitting vibrations to an endodontic activator | |
| EP2227201B1 (en) | Apparatus for forming incisions in ocular tissue and methods of use | |
| US8403916B2 (en) | Surgical instrument having a magnetically driven detachable tool assembly | |
| EP4241724A2 (en) | Electric reciprocation generator provided with a reamer | |
| JP2012518463A5 (en) | ||
| WO2008080148A3 (en) | Disposable vitrectomy handpiece | |
| CN204318840U (en) | A kind of bone-cutting device of department of otorhinolaryngology | |
| CN105232111A (en) | Medical electric saw | |
| US10117660B2 (en) | Impact drill lithotripter | |
| US20110295292A1 (en) | Vibration dampening ophthalmic pneumatic surgical instrument | |
| CN107184244A (en) | A kind of medical hardware electric saw | |
| JP5422044B2 (en) | Medical handpiece | |
| CN105395229A (en) | End executor, nail box assembly thereof and surgical operating instrument | |
| EP2938452B1 (en) | Reciprocating tool with internal guiding bushing and method of operating such a tool | |
| CN207253354U (en) | Medical electric saw | |
| CN107693087B (en) | Pendulum saw for osteotomy | |
| CA2421268A1 (en) | Ophthalmic surgical system and method | |
| CN117813036A (en) | Soft endoscope system, soft endoscope auxiliary device and operation method | |
| JP4125993B2 (en) | Air-driven dental handpiece and power adjustment adapter | |
| CN207561955U (en) | Cutter | |
| CN107928744A (en) | A kind of metal electric saw convenient for collecting | |
| CN107953365B (en) | A kind of nursing section preserved skin care device | |
| CN108030530A (en) | Medical trepan | |
| CN211325951U (en) | Traction device | |
| WO2009118741A2 (en) | Dental elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |