CN2629654Y - Portable cutting tool for operation - Google Patents
Portable cutting tool for operation Download PDFInfo
- Publication number
- CN2629654Y CN2629654Y CN 03264344 CN03264344U CN2629654Y CN 2629654 Y CN2629654 Y CN 2629654Y CN 03264344 CN03264344 CN 03264344 CN 03264344 U CN03264344 U CN 03264344U CN 2629654 Y CN2629654 Y CN 2629654Y
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- CN
- China
- Prior art keywords
- depression bar
- switch
- cutting element
- housing
- hand member
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- Expired - Fee Related
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Abstract
The utility model relates to a portable surgery cutting tool, which comprises an electrical motor, a shell, a quick exchange chuck, and a cutting installment. The shell is straight tubular shape. The electrical motor is installed in straight tubular shell's left side, the shell is also provided with an electrical motor controlling device. The cutting installment is a bone saws or a bone drills. The utility model, portable surgery cutting tool, as the transverse axis of the saw and the drill superposing basically with the manpower thrust force, causes that when the tool is in work, the tool can not receive the yawing moment and generally can not occur rocking, the medical care personnel can achieve the accurate localization during the operation easily, thus the tool reduces the cutting quantity of sawing and drilling and the damage to the patient. The tool's objective is to provide a portable surgery cutting tool, which can locate sawing and drilling accurately, and is easy to be operated, reducing the damage to the patient.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of portable operation cutting element of the usefulness of performing the operation.
Background technology
The housing of existing portable operation usefulness cutting element is pistol-shaped normally, the portable operation of this structure does not overlap with the thrust point of staff with the transversal line of cutting element owing to saw, brill, make operation use cutting element when work, under the effect of unbalance loading moment, be easier to shake, medical personnel are difficult for accomplishing accurate location when operation, thereby strengthened the cutting output of saw, brill, increased damage patient.
The utility model content
The purpose of this utility model is to provide a kind of saw, bores accurate positioning, and is easy to use, can reduce the portable operation cutting element of patient trauma.
Portable operation cutting element of the present utility model comprises motor, housing, the quick change dop, topping machanism, described housing are straight tubular, described motor is installed in the intravital left end of straight cylinder outer race, also is provided with electric apparatus control apparatus in straight barrel-type casing, and described topping machanism is bone saw or bone drill.
Portable operation cutting element of the present utility model, the saw blade sawtooth top of wherein said bone saw is a circular arc, angle is 85 °-95 ° between tough limit of each sawtooth of saw blade transversal line two ends cutting outwardly and the saw blade transversal line.
Portable operation cutting element of the present utility model, the output axle head of wherein said motor is provided with the taper joint of band taper hole, the left end of taper joint adopts long awl locknut to be fixed on the right-hand member of described housing, taper joint is provided with torsion spring towards the shaft shoulder place of left end, and the outside of torsion spring is provided with the Xiao Hua locknut.
Portable operation cutting element of the present utility model, wherein said bone saw comprises eccentric shaft, the motor shaft of described motor links to each other with the right-hand member of described eccentric shaft by cross coupler, the two ends of eccentric shaft adopt bearing to be installed on the adapter sleeve of described quick change dop respectively, the right-hand member of adapter sleeve is installed in the taper hole of described taper joint, the left end of described eccentric shaft is equipped with half-cylindrical slide block, the outer surface of half-cylindrical slide block matches with the semi-cylindrical recesses on the swinging block, swinging block is installed on the swinging axle, swinging axle adopts bearing actively to be installed on the adapter sleeve of described quick change dop, and the fixing described saw blade of saw blade nut is adopted in the outer end of swinging axle.
Portable operation cutting element of the present utility model, wherein said bone drill comprises power shaft, the motor shaft of described motor links to each other with the right-hand member of described power shaft by cross coupler, the two ends of power shaft adopt bearing to be installed on the adapter sleeve of described quick change dop respectively, the right-hand member of adapter sleeve is installed in the taper hole of described taper joint, the left end of described power shaft links to each other with the input of epicyclic variable-speed gear, the outfan of epicyclic variable-speed gear is connected with output shaft, and the axle head of output shaft is equipped with drill chuck.
Portable operation cutting element of the present utility model, wherein said saw blade and described swinging axle adopt spline fitted, and angle is 90 ° between tough limit of each sawtooth of saw blade transversal line two ends cutting outwardly and the saw blade transversal line.
Portable operation cutting element of the present utility model, wherein said electric apparatus control apparatus comprises the depression bar switch that is installed in described hull outside wall middle part vertically, the depression bar switch be installed in the intravital switch of shell and match, switch is electrically connected with two electrode slices and battery lead plate respectively, the two ends, the left and right sides of switch are respectively equipped with the switch clamping plate, match hermetically with the medial wall of described housing in the lateral wall of each switch clamping plate, its mating surface is provided with sealing member, the outside that is positioned at right-hand member switch clamping plate in the housing is provided with poly-tetrafluoro washer, and the right-hand member that is positioned at poly-tetrafluoro washer in the housing is provided with chargeable Ni-MH battery.
Portable operation cutting element of the present utility model, wherein said depression bar switch comprises depression bar, the cross section of depression bar is a shape, the both sides of depression bar right-hand member are provided with a locating hole respectively coaxially, each locating hole matches with the sphere of a sphere cylindrical pins respectively, there is back-moving spring on the top between two cylindrical pins, and two cylindrical pins are installed in respectively on the depression bar support, and the depression bar support adopts screw to be installed in the middle part of described hull outside wall.
Portable operation cutting element of the present utility model, the center of upper surface, wherein said depression bar middle part is equipped with rotation axis, be positioned at installation rotation axis position left end on the depression bar and be provided with the last item via hole, on the rotation axis annular knob can be installed rotationally, the annular knob is provided with ∪ shape groove, and the position of ∪ shape groove is corresponding with described last item via hole, and described annular knob matches with the top of last item, last item passes the sidewall of described housing hermetically, matches with the button of described switch in the lower end of last item.
Compare with cutting element with the portable operation of existing pistol-shaped, portable operation of the present utility model overlaps with the thrust of staff substantially with the transversal line of cutting element owing to saw, brill, make operation use cutting element when work, can not be subjected to the effect of unbalance loading moment, generally can not shake, medical personnel are in the operation accurate location that the time is easy to do, thereby have reduced the cutting output of saw, brill, have reduced the damage to patient.
The portable operation of this utility model can just can be cheer and bright by reading the embodiment that hereinafter encyclopaedizes in conjunction with the accompanying drawings with other details of cutting element and characteristics.
Description of drawings
Fig. 1 is the main pseudosection of portable operation of the present utility model with the structural representation of cutting element;
Fig. 2 is the bone saw part top plan view of Fig. 1;
Fig. 3 looks half sectional view for the master of bone drill;
Fig. 4 is the A-A cross sectional view of Fig. 1.
The specific embodiment
The portable operation cutting element of this utility model as depicted in figs. 1 and 2, it comprises motor 1, housing 2, quick change dop 3, topping machanism, topping machanism comprise bone saw or bone drill, bone saw has saw blade 4, and bone drill has drill bit, and bone saw and bone drill can be installed in respectively on the quick change dop 3 as required.Housing 2 is straight tubular, motor 1 is installed in the left end in the straight barrel-type casing 2, the right-hand member of motor 1 is provided with electric apparatus control apparatus, and the sawtooth top of saw blade 4 is a circular arc, and angle is 90 ° between saw blade tough limit of each sawtooth cutting outwardly, 4 transversal line two ends and saw blade 4 transversal lines.Angle also can be 85 °-95 ° between saw blade tough limit of each sawtooth cutting outwardly, 4 transversal line two ends and saw blade 4 transversal lines.
Output axle head at motor 1 is provided with the taper joint 29 of being with taper hole, and the left end of taper joint 29 adopts long awl locknut 30 to be fixed on the right-hand member of housing 2, and taper joint 29 is provided with torsion spring 31 towards the shaft shoulder place of left end, and the outside of torsion spring 31 is provided with Xiao Hua locknut 32.
As depicted in figs. 1 and 2, described bone saw comprises eccentric shaft 5, the motor shaft of motor 1 links to each other with the right-hand member of eccentric shaft 5 by cross coupler 6, the two ends of eccentric shaft 5 adopt bearing to be installed on the adapter sleeve 11 of quick change dop 3 respectively, the right-hand member of adapter sleeve 11 is installed in the taper hole of taper joint 29, the left end of eccentric shaft 5 is equipped with half-cylindrical slide block 7, the outer surface of half-cylindrical slide block 7 matches with the semi-cylindrical recesses on the swinging block 8, swinging block 8 is installed on the swinging axle 9, swinging axle 9 adopts bearing 10 actively to be installed on the adapter sleeve 11 of quick change dop 3, saw blade 4 adopts spline fitted with swinging axle 9, and fixedly saw blade 4 of saw blade nut 38 is adopted in the outer end of swinging axle 9.When the motor shaft of motor 1 rotates, drive eccentric shaft 5 rotations by cross coupler 6, eccentric shaft 5 makes swinging block 8 do oscillating traverse motion by half-cylindrical slide block 7, swinging block 8 drives swinging axle 9 and does oscillating traverse motion, make the saw blade 4 that is installed on the swinging axle 9 do oscillating traverse motion, can be used for cutting bone.
Bone drill comprises power shaft 34, the motor shaft of motor 1 links to each other with the right-hand member of power shaft 34 by cross coupler 6, the two ends of power shaft 34 adopt bearing to be installed on the adapter sleeve 11 of quick change dop 3 respectively, the right-hand member of adapter sleeve 11 is installed in the taper hole of taper joint 29, the left end of power shaft 34 links to each other with the input of epicyclic variable-speed gear 35, the outfan of epicyclic variable-speed gear 35 is connected with output shaft 36, and the axle head of output shaft 36 is equipped with drill chuck 37.When the motor shaft of motor 1 rotates, drive power shaft 34 rotations by cross coupler 6, power shaft 34 makes output shaft 36 high speed rotating by epicyclic variable-speed gear 35, and the drill bit of installing on the drill chuck 37 of the axle head of output shaft 36 just can be used for having holed on bone.
As shown in Figure 1 and Figure 4; electric apparatus control apparatus comprises the depression bar switch 12 that is installed in middle part, housing 2 lateral walls vertically; depression bar switch 12 matches with switch 13 in being installed in housing 2; switch 13 is electrically connected with two electrode slices 14 and battery lead plate 15 respectively; the two ends, the left and right sides of switch 13 are respectively equipped with switch clamping plate 16, and switch clamping plate 16 are to be used for protection switch 13 can not be damaged when equipment disinfection.Match hermetically with the medial wall of housing 2 in the lateral wall of each switch clamping plate 16, its mating surface is provided with sealing member 17, the outside that is positioned at right-hand member switch clamping plate 16 in the housing 2 is provided with poly-tetrafluoro washer 18, the right-hand member that is positioned at poly-tetrafluoro washer 18 in the housing 2 is provided with chargeable Ni-MH battery 19, adopts Ni-MH battery 19 to exempt the loaded down with trivial details program that must discharge after the use.
Depression bar switch 12 comprises depression bar 20, and the cross section of depression bar 20 is
Shape, the both sides of depression bar 20 right-hand members are provided with a locating hole 21 respectively coaxially, each locating hole 21 matches with the sphere of a sphere cylindrical pins 22 respectively, there is back-moving spring 23 on the top between two cylindrical pins 22, two cylindrical pins 22 are installed in respectively on the depression bar support 24, and depression bar support 24 adopts screw to be installed in the middle part of housing 2 lateral walls.As long as 20, two cylindrical pins 22 of downward pressing lever will compression reseting spring 23, make two cylindrical pins 22 withdraw from locating hole 21, in use so depression bar 20 just can continue to move downward.
The center of upper surface, depression bar 20 middle part is equipped with rotation axis 25, be positioned at installation rotation axis 25 position left ends on the depression bar 20 and be provided with last item via hole 27, on the rotation axis 25 annular knob 26 can be installed rotationally, annular knob 26 is provided with ∪ shape groove, the position of ∪ shape groove is corresponding with last item via hole 27, annular knob 26 matches with the top of last item 28, and last item 28 passes the sidewall of housing 2 hermetically, matches with the button of switch 13 in the lower end of last item 28.When depression bar 20 moved downward, if the ∪ shape groove on the annular knob 26 faces last item via hole 27, last item 28 will pass the ∪ shape groove on last item via hole 27 and the annular knob 26.Because annular knob 26 can not be depressed last item 28, switch 13 also just can not be electrically connected with two electrode slices 14 and battery lead plate 15, thereby equipment is in a safe condition.When needs use equipment, can mention depression bar 20 earlier, make last item 28 withdraw from ∪ shape groove on last item via hole 27 and the annular knob 26, rotate annular knob 26 again, ∪ shape groove and last item via hole 27 on the annular knob 26 are staggered, and then depress depression bar 20, annular knob 26 will be depressed last item 28, switch 13 is electrically connected with two electrode slices 14 and battery lead plate 15, thereby motor 1 is rotated.
Claims (9)
1. portable operation cutting element, comprise motor (1), housing (2), quick change dop (3), topping machanism is characterized in that described housing (2) is straight tubular, and described motor (1) is installed in the left end in the straight barrel-type casing (2), also be provided with electric apparatus control apparatus in straight barrel-type casing (2), described topping machanism is bone saw or bone drill.
2. portable operation cutting element according to claim 1, the sawtooth top that it is characterized in that the saw blade (4) of described bone saw is a circular arc, and angle is 85 °-95 ° between saw blade (4) tough limit of each sawtooth of transversal line two ends cutting outwardly and saw blade (4) transversal line.
3. portable operation cutting element according to claim 2, it is characterized in that the output axle head of described motor (1) is provided with the taper joint (29) of band taper hole, the left end of taper joint (29) adopts long awl locknut (30) to be fixed on the right-hand member of described housing (2), taper joint (29) is provided with torsion spring (31) towards the shaft shoulder place of left end, and the outside of torsion spring (31) is provided with Xiao Hua locknut (32).
4. portable operation cutting element according to claim 3, it is characterized in that described bone saw comprises eccentric shaft (5), the motor shaft of described motor (1) links to each other with the right-hand member of described eccentric shaft (5) by cross coupler (6), the two ends of eccentric shaft (5) adopt bearing to be installed on the adapter sleeve (11) of described quick change dop (3) respectively, the right-hand member of adapter sleeve (11) is installed in the taper hole of described taper joint (29), the left end of described eccentric shaft (5) is equipped with half-cylindrical slide block (7), the outer surface of half-cylindrical slide block (7) matches with the semi-cylindrical recesses on the swinging block (8), swinging block (8) is installed on the swinging axle (9), swinging axle (9) adopts bearing (10) actively to be installed on the adapter sleeve (11) of described quick change dop (3), and the fixing described saw blade (4) of saw blade nut (38) is adopted in the outer end of swinging axle (9).
5. portable operation cutting element according to claim 3, it is characterized in that described bone drill comprises power shaft (34), the motor shaft of described motor (1) links to each other with the right-hand member of described power shaft (34) by cross coupler (6), the two ends of power shaft (34) adopt bearing to be installed on the adapter sleeve (11) of described quick change dop (3) respectively, the right-hand member of adapter sleeve (11) is installed in the taper hole of described taper joint (29), the left end of described power shaft (34) links to each other with the input of epicyclic variable-speed gear (35), the outfan of epicyclic variable-speed gear (35) is connected with output shaft (36), and the axle head of output shaft (36) is equipped with drill chuck (37).
6. according to any one described portable operation cutting element in the claim 1 to 5, it is characterized in that described saw blade (4) and described swinging axle (9) adopt spline fitted, angle is 90 ° between saw blade (4) tough limit of each sawtooth of transversal line two ends cutting outwardly and saw blade (4) transversal line.
7. portable operation cutting element according to claim 6, it is characterized in that described electric apparatus control apparatus comprises the depression bar switch (12) that is installed in middle part, described housing (2) lateral wall vertically, depression bar switch (12) switch (13) interior with being installed in housing (2) matches, switch (13) is electrically connected with two electrode slices (14) and battery lead plate (15) respectively, the two ends, the left and right sides of switch (13) are respectively equipped with switch clamping plate (16), match hermetically with the medial wall of described housing (2) in the lateral wall of each switch clamping plate (16), its mating surface is provided with sealing member (17), the outside that is positioned at right-hand member switch clamping plate (16) in the housing (2) is provided with poly-tetrafluoro washer (18), and the right-hand member that is positioned at poly-tetrafluoro washer (18) in the housing (2) is provided with chargeable Ni-MH battery (19).
8. portable operation cutting element according to claim 7 is characterized in that described depression bar switch (12) comprises depression bar (20), and the cross section of depression bar (20) is
Shape, the both sides of depression bar (20) right-hand member are provided with a locating hole (21) respectively coaxially, each locating hole (21) matches with the sphere of a sphere cylindrical pins (22) respectively, there is back-moving spring (23) on the top between two cylindrical pins (22), two cylindrical pins (22) are installed in respectively on the depression bar support (24), and depression bar support (24) adopts screw to be installed in the middle part of described housing (2) lateral wall.
9. portable operation cutting element according to claim 8, the center that it is characterized in that upper surface, described depression bar (20) middle part is equipped with rotation axis (25), be positioned at installation rotation axis (25) position left end on the depression bar (20) and be provided with last item via hole (27), on the rotation axis (25) annular knob (26) can be installed rotationally, annular knob (26) is provided with ∪ shape groove, the position of ∪ shape groove is corresponding with described last item via hole (27), described annular knob (26) matches with the top of last item (28), last item (28) passes the sidewall of described housing (2) hermetically, matches with the button of described switch (13) in the lower end of last item (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03264344 CN2629654Y (en) | 2003-06-19 | 2003-06-19 | Portable cutting tool for operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03264344 CN2629654Y (en) | 2003-06-19 | 2003-06-19 | Portable cutting tool for operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2629654Y true CN2629654Y (en) | 2004-08-04 |
Family
ID=34297238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03264344 Expired - Fee Related CN2629654Y (en) | 2003-06-19 | 2003-06-19 | Portable cutting tool for operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2629654Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335020A (en) * | 2010-07-15 | 2012-02-01 | 北京蒙太因医疗器械有限公司 | Medical powered fret saw |
| CN104605912A (en) * | 2015-01-09 | 2015-05-13 | 亓丕臣 | Automatic cleaning type bone saw for orthopedics department |
| CN104602621B (en) * | 2012-05-11 | 2017-12-19 | 彼得·L·博诺 | Rotational oscillation formula bone, cartilage and vertebrae plate resection tool assembly |
| US10582933B2 (en) | 2018-03-22 | 2020-03-10 | Capstone Surgical Techologies, LLC | Oscillating surgical cutting tool |
-
2003
- 2003-06-19 CN CN 03264344 patent/CN2629654Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335020A (en) * | 2010-07-15 | 2012-02-01 | 北京蒙太因医疗器械有限公司 | Medical powered fret saw |
| CN102335020B (en) * | 2010-07-15 | 2014-01-01 | 北京蒙太因医疗器械有限公司 | Medical powered fret saw |
| CN104602621B (en) * | 2012-05-11 | 2017-12-19 | 彼得·L·博诺 | Rotational oscillation formula bone, cartilage and vertebrae plate resection tool assembly |
| US10194922B2 (en) | 2012-05-11 | 2019-02-05 | Peter L. Bono | Rotary oscillating bone, cartilage, and disk removal tool assembly |
| US11389179B2 (en) | 2012-05-11 | 2022-07-19 | Globus Medical, Inc. | Rotary oscillating bone, cartilage, and disk removal tool assembly |
| CN104605912A (en) * | 2015-01-09 | 2015-05-13 | 亓丕臣 | Automatic cleaning type bone saw for orthopedics department |
| US10582933B2 (en) | 2018-03-22 | 2020-03-10 | Capstone Surgical Techologies, LLC | Oscillating surgical cutting tool |
| US11766266B2 (en) | 2018-03-22 | 2023-09-26 | Globus Medical Inc. | Oscillating surgical cutting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING YINPULAN SCIENCE & TECHNOLOGY DEVELOPMENT Free format text: FORMER OWNER: BEIJING YINPULAN ARTIFICIAL JOINTS CO., LTD. Effective date: 20040910 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040910 Address after: 102200, Beijing Changping District science and Technology Park, super Road, No. 12 Patentee after: Beijing Yinpulan Technology Development Co., Ltd. Address before: 100085, Beijing, Haidian District information on the Road 32, Zhongguancun venture building, room 1105 Patentee before: Yinpulan Joint Prosthesis Co., Ltd., Beijing |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |