CN2103993U - Cutting unit for orthopaedics operation - Google Patents
Cutting unit for orthopaedics operation Download PDFInfo
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- CN2103993U CN2103993U CN 91219719 CN91219719U CN2103993U CN 2103993 U CN2103993 U CN 2103993U CN 91219719 CN91219719 CN 91219719 CN 91219719 U CN91219719 U CN 91219719U CN 2103993 U CN2103993 U CN 2103993U
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- cutter
- pendulum
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Abstract
The utility model relates to a surgical operating instrument, particularly a cutting instrument for orthopaedic operations, which mainly solves the problems that the function is single and the size is big existing in the prior art, such as an oscillating saw, a reciprocating saw, etc. The utility model has the advantages of small size, and portability, integrating oscillation and reciprocation. The utility model comprises a handle, a cover body, an electric motor appliance, a gear part, and a working part, wherein, an oscillating saw, which is driven by the same motor and the gear shaft, and a reciprocating saw are arranged in the cover body; the head of the cover body is provided with an adapter sleeve which meets the changes of various orthopaedic cutting tools. The oscillating saw comprises an oscillating knife blade, an oscillating shaft, an oscillating knife bar, an oscillating knife case, and an oscillating knife star wheels; the reciprocating saw comprises a gliding knife blade, a gliding knife bar, a connecting shaft, a connecting bar, a gliding knife case, and a gliding knife star wheel. The utility model has the advantages of flexible and quick operation, reliving the injury and the pain of patients.
Description
The design relates to surgical operating instrument, particularly a kind of cutter for orthopaedics surgery tool.
Existing bone surgery set, as swing saw, reciprocating sow etc., function singleness, big, the heaviness, dumb of volume can not satisfy the bone surgery instructions for use.
The design's purpose is that a kind of body of design is little light, integrates swing, multifunctional orthopaedics surgical cut device back and forth.
The design's purpose is achieved in that cutter for orthopaedics surgery, by handle, lid, micro machine, low-voltage electrical part, machine driving in addition part and workpiece form, it is characterized in that handle inside is provided with micro machine and high, normal, basic three speed switch, forward and reverse permutator, AC-DC conversion switch and protection patch device; Be provided with the swing saw of making traverse motion that drives with same micro machine in the lid and make vertical reciprocating reciprocating sow; The swing saw of forming by pendulum blade, balance staff, pendulum knife bar, pendulum cutter shell and pendulum cutter star-wheel and by along blade, along knife bar, connecting axle, connecting rod, the reciprocating sow formed along the cutter shell and along the cutter star-wheel with same gear shaft transmission: the pendulum blade passes through to put knife bar, balance staff, through pendulum cutter shell, by the pendulum cutter star-wheel transmission that is installed in the gear shaft bottom; By suitable knife bar, connecting axle, fast extension bar, warp is along the cutter shell, by the suitable cutter star-wheel transmission that is installed in gear shaft top along blade; Then be provided with the adapter sleeve and the trip bolt that can satisfy various orthopaedics cutter changings at the lid head.
The design is a documents with the Chinese patent notification number GG87211413 of Hospital No.88, PLA's " full angle swing type electric bone saw " utility model application file.
With drawings and Examples the design is elaborated below:
Fig. 1 looks the sectional structure sketch map for the cutter for orthopaedics surgery master.
Fig. 2 partly cuts open structural representation for Fig. 1 overlooks.
Labelling among the figure: 1. micro machine, 2. bearing, 3. gear shaft, 4. bearing, 5. pendulum cutter shell is 6. put knife bar, 7. balance staff, 8. trip bolt, 9. pendulum blade, 10. along blade, 11. adapter sleeves, 12. connecting rod, 13. connecting axles, 14. upper cover body, 15. along knife bar, 16. bearings, 17. along the cutter shell, 18. along the cutter star-wheel, 19. bearings, 20. roll bodies, 21. pendulum cutter star-wheel, 22. lower covers, 23. handles, 24. gear, 25. bearings, 26. bearings, 27. roll body, 28. space discs, 29. back-up rings, 30. transmission bracket, 31. copper sheathings, 32. supports of bearing.
As shown in Figure 1 and Figure 2: upper cover body 14 is provided with the assembling screw and is connected lower cover 22 lower end attaching handles 23 with bolting with lower cover 22; The swing saw of forming by pendulum blade 9, balance staff 7, pendulum knife bar 6, pendulum cutter shell 5 and pendulum cutter star-wheel 21 and by along blade 10, the reciprocating sow formed along knife bar 15, connecting axle 13, connecting rod 12, along cutter shell 17 and suitable cutter star-wheel 18 with same gear shaft 3 transmissions; Pendulum blade 9 is by pendulum knife bar 6, balance staff 7, through pendulum cutter shell 5, by pendulum cutter star-wheel 21 transmissions that are installed in gear shaft 3 bottoms; By suitable knife bar 15, connecting axle 13, connecting rod 12 are through suitable cutter shell, by suitable cutter star-wheel 18 transmissions that are installed in gear shaft 3 tops along blade 10; Pendulum blade 9 is installed at the lid head on pendulum knife bar 6 with trip bolt 8 lockings; Install along blade 10 in connecting on dried 12 with adapter sleeve 11 lockings; Lower cover 22 is provided with the bearing 2 of mounting teeth wheel shaft 3 as seen from Figure 1, Figure 2; The motor shaft outer end that is located at the micro machine 1 of handle 23 inside be provided with gear shaft 3 on the gear 24 that is meshed of gear 35; Bearing 4 is installed on the off-centre 44 of putting cutter shell 5 and connects pendulum knife bar 6; Be provided with bearing 25 between pendulum cutter shell 5 and the transmission bracket 30, be installed between the pendulum cutter star-wheel 21 of gear shaft 3 bottoms and the pendulum cutter shell 5 with key and be provided with roll body 20, then be provided with roll body 27 along cutter shell 17 with being installed in key between the suitable cutter star-wheel 18 on gear shaft 3 tops, bearing 19 is installed between suitable cutter shell 17 and the transmission bracket 30; Be provided with space disc 28 at pendulum cutter shell 5 and along between the cutter shell 17, be provided with bearing 26 between transmission bracket 30 and the space disc 28, between along cutter shell 17 and transmission bracket 30, also be provided with back-up ring 29; 16 on bearing is installed in along also connecting on the off-centre 48 of cutter shell 17 along knife bar 15; Connecting rod 12 is located in the copper sheathing 31 and by connecting axle 13 and is connected with suitable knife bar 15.
Fig. 3 looks the sectional structure sketch map for the lower cover master.
Fig. 4 is the lower cover schematic top plan view.
Fig. 5 partly cuts open structural representation for the lower cover side-looking.
Labelling among the figure: 101. balance staff holes, 102. gear axis holes, 103. dead eyes, 104. motor axis holes, 105. motors are installed screw, 106. back-up ring installation sites.
Fig. 6 looks the sectional structure sketch map for the upper cover body master.
Fig. 7 is the upper cover body schematic top plan view.
Fig. 8 is a upper cover body side-looking sectional structure sketch map.
Fig. 9 is the A-A cutaway view of Fig. 6.
Labelling among the figure: 31. copper sheathings, 202. screws, 203. inner chambers, 204. screws, 205. installing holes.
From above lower cover and upper cover body accompanying drawing as can be known: be provided with in the lower cover 22 to the transmission bracket 30 that drive mechanism is used is installed, he is one of key position of the design; Upper cover body 14 heads are installed promising arrangement along the required copper sheathing 31 of knife bar 15; Lower cover 22 and upper cover body 14 constitute enough inner chambers, and its binding site allows swing, reciprocal two kinds of movement space action; Lid is made for aluminum alloy materials entirely, and body is little, and is light, but enough intensity is arranged.
Figure 10 is pendulum cutter star-wheel master TV structure sketch map.
Figure 11 is pendulum cutter star-wheel side-looking sectional structure sketch map.
Labelling among the figure: 38. shoulders, 39. disks, 40. sour jujube platforms, 41. keyways, 42. buried via holes.
Pendulum cutter star-wheel 21 is as Figure 10, shown in Figure 11, its shape facility is the disk 39 of two ends band shoulder 38, on disk 39, be provided with the sour jujube platform 40 of 3 places, and be provided with buried via hole 42, be packed in gear shaft 3 bottoms by keyway 41 and the keyway 36 that is located on the gear shaft 3 by the circumference five equilibrium; Along cutter star-wheel 18, its shape facility and pendulum cutter star-wheel 21 are identical, be packed in gear shaft 3 tops by the keyway 37 that is located on the gear shaft 3, different is opposite with the installation direction of putting cutter star-wheel 21, this has just guaranteed swing saw or reciprocating sow when gear shaft 3 rotations, can only transmission both one of.
Figure 12 looks the sectional structure sketch map for pendulum cutter shell master.
Figure 13 is pendulum cutter shell side TV structure sketch map.
Figure 14 is the support of bearing 32 sketch maps.
Labelling among the figure: 43. circular hole caves, the 44. flat hearts.
As shown in the figure: pendulum cutter shell 5 is that an end is provided with the flat heart 44, and end is provided with the cylinder in circular hole cave 43 in addition.The support of bearing 32 is supports that bearing 19, bearing 25 and bearing 26 are installed.Circular hole cave 43 dresses are put star-wheel 21, and the flat heart 44 is by bearing 4 dress pendulum knife bars 6.
Figure 15 looks the sectional structure sketch map for pendulum knife bar master.
Figure 16 is pendulum knife bar plan structure sketch map.
Labelling among the figure: 45. elliptical apertures, 46. circular holes, 47. cutterheads, 601. apertures, 602. screws.
As shown in the figure: the shape and structure of pendulum knife bar 6 is that an end is provided with cutterhead 47, and end is provided with elliptical aperture 45 in addition, and middle is the zigzag plates that have the disk of circular hole 46.Cutterhead 47 is provided with in order to 8 apertures 601 of the five equilibrium of the setting angle of adjusting pendulum blade 9 and screw 602.Elliptical aperture 45 is installed the flat heart 44 of pendulum cutter shell 5.Because pendulum cutter star-wheel 21 is installed in the pendulum cutter shell 5, rotate so can drive pendulum cutter shell 5, because elliptical aperture 45 is sleeved on the flat heart 44, make horizontal reciprocally swinging like this so when pendulum cutter shell 5 rotates, drive pendulum knife bar 6; And,, cause pendulum knife bar 6 to do the swing of certain angle again because the off-centre of the flat heart 44 is definite values because circular hole 46 is sleeved on spacing on the balance staff 7.
Figure 17 is for looking the sectional structure sketch map along cutter shell master.
Figure 18 is along cutter shell schematic side view.
Labelling among the figure: the 48. flat hearts, 49. circular hole caves, 701. half slots, 702. shoulders.
As shown in the figure: along cutter shell 17 is that an end is provided with the flat heart 48, and end is provided with the cylinder in circular hole cave 49 in addition, and at the last half slot 701 that has, shoulder 702.The flat heart 48 is by bearing 16 suits and connect suitable knife bar 15; Install along cutter star-wheel 18 in circular hole cave 49; Half slot 701 is installed back-up ring 29; Shoulder 702 is installed bearing 19.
Figure 19 looks the sectional structure sketch map for the adapter sleeve master.
Figure 20 partly cuts open structural representation for the adapter sleeve side-looking.
Figure 21 is the adapter sleeve schematic top plan view.
Labelling among the figure: 801. grooves, 802. holes, 803. taper holes, 804. internal thread holes.
Figure 22 is a connecting rod master TV structure sketch map.
Figure 23 is the C-C cross-sectional schematic of Figure 22.
Figure 24 is the connecting rod schematic side view.
Labelling among the figure: 901. holes, 902. grooves, 903. shoulders, 904. external screw threads, 905. grooves.
As shown in the figure: connecting rod 12 is an end band shoulder 903, hole 901, hold fluting 902 in addition and be with external screw thread 904 and conical head, connecting axle 13 is installed in hole 901, groove 902 is installed along blade 10, external screw thread 904 is installed adapter sleeve 11 by internal thread hole 804, will be securely fixed in the head of connecting rod 12 along blade 10.
Figure 25 looks portion's TV structure sketch map for the space disc master.
Labelling among the figure: 1001. shoulders, 1002. holes.
Its function is respectively 1001 in order to rigid bearing 26,1002 mounting teeth wheel shafts 3, it is that cutter shell 5 and suitable cutter shell 17 are put in the interval, is again to put cutter star-wheel 21 and suitable cutter star-wheel 18 at interval, and define the position of bearing 26, guaranteed the gearing of gear shaft 3.
Figure 26 is for looking the sectional structure sketch map along the knife bar master.
Figure 28 is the D-D sectional schematic diagram.
Figure 29 is the E-E sectional schematic diagram.
Labelling among the figure: 52. circular holes, 53. circular holes.
As shown in the figure: along the shape and structure of knife bar 15 is that an end has step and is provided with the circular hole 52 that connects usefulness, and end is for having the disk of circular hole 53 in addition, is one zigzag and the plates of two place's difformity sections are arranged.Its function is with circular hole 52 connecting axle 13 to be installed to be connected with connecting rod 12; Circular hole 53 is installed bearing 16 and is installed in along on the flat heart 48 of cutter shell 17 by bearing 16.
Figure 30 is the gear shaft structure sketch map.
Figure 31 is a gear shaft keyway place section configuration sketch map.
As shown in the figure: gear shaft 3 one ends are provided with the gear 35 that is meshed with gear 24, and end is respectively equipped with the keyway of installing along cutter star-wheel 18 37 and the keyway 36 that pendulum cutter star-wheel 21 is installed in addition.
Figure 32 is the spring sketch map.It is installed in pendulum cutter star-wheel 21 and along in three buried via holes 42 of cutter star-wheel 18, its effect is that roll body is worked along a direction, and other direction is inoperative, idle running.
Figure 33 is the shape and structure sketch map of trip bolt 8.
As shown in the figure: the one end is provided with external screw thread 54, and end is provided with indentation 55 in addition.
Figure 34 looks the sectional structure sketch map for the cover plate master.
As shown in the figure: it is shaped as the disk that is provided with circular hole 56 in the middle of, and it is installed in the end of pendulum cutter star-wheel 21 and suitable cutter star-wheel 18, works to stop roll body 20 and roll body 27.
Figure 35 is a balance staff shape sketch map.
Figure 36 is a connecting axle shape sketch map.
The design is with the pendulum cutter star-wheel of installing on same micro machine 1 gear shaft 3 21 or along cutter star-wheel 18, the eccentric pendulum cutter of driving-belt shell 5 or suitable cutter shell 17 drive pendulum knife bar 6 respectively and along knife bar 15, realize the action of swing saw and reciprocating sow with it more respectively, part is simplified in addition, compact conformation; When carrying out the difference operation, change cutter and only need unscrew trip bolt 8 or adapter sleeve 11, screw again behind the dress cutter, do not need other instrument, save time, avoid losing accessory; Micro machine 1 is installed in the handle 23 together with its electrical part, lays down just to carry out disinfection easily to parts; Lid is aluminum together with handle and closes and make up and down, and is aesthetic in appearance, easy for installation, uses lightly, and operation flexibly and fast can be patient and reduces damage and painful.
Claims (10)
1, cutter for orthopaedics surgery by handle, lid, micro machine, low-voltage electrical part, machine driving in addition part and workpiece form, it is characterized in that:
(1) handle 23 inside are provided with micro machine 1 and high, normal, basic three speed switch, forward and reverse permutator, AC-DC conversion switch and protection patch device;
(2) be provided with in the lid with same micro machine 1 and drive, with the swing saw of making traverse motion of same gear shaft 3 transmissions with make vertical reciprocating reciprocating sow;
(3) the lid head is provided with the adapter sleeve 11 and the trip bolt 8 that can satisfy various orthopaedics cutter changings;
(4) swing saw passes through pendulum knife bar 6, balance staff 7 by pendulum blade 9, through putting cutter shell 5 by pendulum cutter star-wheel 21 transmissions that are installed in gear shaft 3 bottoms; Reciprocating sow is by passing through suitable knife bar 15, connecting axle 13, connecting rod 12 along blade 10, and the suitable cutter shell 17 of warp is by suitable cutter star-wheel 18 transmissions that are installed in gear shaft 3 tops.
2, sickle as claimed in claim 1 is characterized in that upper cover body 14 and lower cover 22 are provided with the tired hole of assembling and are connected lower cover 22 lower end attaching handles 23 with bolting; Lower cover is provided with the bearing 2 of mounting teeth wheel shaft 3; The motor shaft outer end of micro machine 1 is provided with and gear shaft 3 35 gears that are meshed 24 that cog; Bearing 4 is installed on the off-centre 44 of putting cutter shell 5 and connects pendulum knife bar 6; Bearing 25 is located between pendulum cutter shell 5 and the transmission bracket 30; 19 on bearing is installed in along between cutter shell 17 and the transmission bracket; Be provided with roll body 27 between pendulum cutter shell 5 and the pendulum cutter star-wheel 21; Be provided with space disc 28 at pendulum cutter shell and along between the cutter shell 17, be provided with bearing 26 between transmission bracket 30 and the space disc 28, between along cutter shell 17 and transmission bracket 30, also be provided with back-up ring 29,16 on bearing is installed in along also connecting on the off-centre 48 of upper casing 17 outside the cutter along knife bar 15, and connecting rod 12 is located in the copper sheathing 31 and by connecting axle 13 and is connected with suitable knife bar 15.
3, sickle as claimed in claim 1 or 2 is characterized in that being provided with in the lower cover 22 for the transmission bracket 30 that drive mechanism is used is installed; Upper cover body 14 heads are installed promising arrangement along the required copper sheathing 31 of knife bar 15; Lower cover 22 and upper cover body 14 constitute enough inner chambers.
4, sickle as claimed in claim 3, it is characterized in that putting cutter star-wheel 21 and be the disk 39 of two ends band shoulder 38, on disk 39, be provided with 3 places by the sour jujube platform 40 of circumference five equilibrium and be provided with buried via hole 42, be packed in gear shaft 3 bottoms by keyway 41 and the keyway 36 that is located on the gear shaft 3, the spring of buffering and gearing has been equipped with in buried via hole 42 inboards; Along cutter star-wheel 18, its shape facility and pendulum cutter star-wheel 21 are identical, are packed in the top of gear shaft 3 by being located at keyway 37 on the gear shaft 3, but installation direction is just with to put cutter star-wheel 21 directions opposite.
5, sickle as claimed in claim 4, it is characterized in that putting cutter shell 5 is that an end is provided with off-centre 44, end is provided with the cylinder in circular hole cave 43 in addition, circular hole cave 43 dress pendulum cutter star-wheels 21, the flat heart 44 passes through bearing 4 dress pendulum knife bars 6.
6, sickle as claimed in claim 5, it is characterized in that putting knife bar 6 is that an end is provided with cutterhead 47, in addition end is provided with elliptical aperture 45, the middle zigzag plates that are for the disk that has circular hole 46; Cutterhead 47 is provided with in order to 8 apertures 601 of the five equilibrium of the setting angle of adjusting pendulum blade 9 and screw 602.
7, sickle as claimed in claim 4 is characterized in that along cutter shell 17 be that an end is provided with the flat heart 48, and end is provided with the cylinder in circular hole cave 49 in addition; Have half slot 701, shoulder 702 on it.
8, sickle as claimed in claim 7 is characterized in that along knife bar 15 being that an end has shoulder and is provided with the circular hole 52 that connects usefulness, and end is for having the disk of circular hole 53 in addition, is one zigzag and the plates of the different shape section in two places are arranged; Circular hole 52 is installed connecting axle 13 and is connected with connecting rod 12; Connecting rod 12 is an end band shoulder 903, hole 901, holds fluting 902 in addition and is with external screw thread 904 and conical head; Connecting axle 13 is installed in hole 901, and groove 902 is installed along blade 10, and external screw thread 904 is installed adapter sleeve 11 and will be securely fixed in the head of connecting rod 12 along blade 10 by the internal thread hole on the adapter sleeve 11 804.
9, sickle as claimed in claim 1 is characterized in that adapter sleeve 11 is provided with groove 801, hole 802, taper hole 803 and internal thread hole 804.
10, sickle as claimed in claim 1 is characterized in that trip bolt 8 one ends are provided with external screw thread 54, and end is provided with indentation 55 in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91219719 CN2103993U (en) | 1991-08-10 | 1991-08-10 | Cutting unit for orthopaedics operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91219719 CN2103993U (en) | 1991-08-10 | 1991-08-10 | Cutting unit for orthopaedics operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2103993U true CN2103993U (en) | 1992-05-13 |
Family
ID=4926939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91219719 Granted CN2103993U (en) | 1991-08-10 | 1991-08-10 | Cutting unit for orthopaedics operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2103993U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301087C (en) * | 2002-03-22 | 2007-02-21 | 盖拉斯耳鼻喉科有限公司 | Powered surgical apparatus, method of manufacturing powered surgical apparatus, and method of using powered surgical apparatus |
| CN101433468B (en) * | 2008-12-16 | 2010-07-21 | 张纯朴 | Device for cutting bone inside femoral head |
| CN102940516A (en) * | 2012-11-28 | 2013-02-27 | 重庆西山科技有限公司 | Orthopedic drilling and sawing power mobile phone |
| CN110919106A (en) * | 2020-02-12 | 2020-03-27 | 北京罗森博特科技有限公司 | Cutting device for tail end of manipulator and manipulator |
-
1991
- 1991-08-10 CN CN 91219719 patent/CN2103993U/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301087C (en) * | 2002-03-22 | 2007-02-21 | 盖拉斯耳鼻喉科有限公司 | Powered surgical apparatus, method of manufacturing powered surgical apparatus, and method of using powered surgical apparatus |
| CN101433468B (en) * | 2008-12-16 | 2010-07-21 | 张纯朴 | Device for cutting bone inside femoral head |
| CN102940516A (en) * | 2012-11-28 | 2013-02-27 | 重庆西山科技有限公司 | Orthopedic drilling and sawing power mobile phone |
| CN102940516B (en) * | 2012-11-28 | 2014-10-22 | 重庆西山科技有限公司 | Orthopedic drilling and sawing power mobile phone |
| US9924954B2 (en) | 2012-11-28 | 2018-03-27 | Chongqing Xishan Science & Technology Co., Ltd. | Handheld power machine for orthopaedic drill and saw and orthopaedic drill and saw power system with same |
| CN110919106A (en) * | 2020-02-12 | 2020-03-27 | 北京罗森博特科技有限公司 | Cutting device for tail end of manipulator and manipulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |