CN105030295A - Bone tissue grinding tool for surgery - Google Patents
Bone tissue grinding tool for surgery Download PDFInfo
- Publication number
- CN105030295A CN105030295A CN201510370515.5A CN201510370515A CN105030295A CN 105030295 A CN105030295 A CN 105030295A CN 201510370515 A CN201510370515 A CN 201510370515A CN 105030295 A CN105030295 A CN 105030295A
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- CN
- China
- Prior art keywords
- cutter head
- bar assembly
- tool
- assembly
- tissue grinding
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- 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.)
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1622—Drill handpieces
- A61B17/1624—Drive mechanisms therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B2017/1602—Mills
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a bone tissue grinding tool for surgery, and the bone tissue grinding tool for the surgery is mainly suitable for orthopaedics surgery of human bodies. The bone tissue grinding tool disclosed by the invention comprises a tool bit transmission assembly, a tool bar assembly and an outer bar assembly, and is characterized in that the tool bit transmission assembly comprises a tool bit, a transmission part and a transmission connector; two ends of the transmission part are respectively and movably hinged with the end part of the tool bit and the end part of the transmission connector; a revolving shaft assembly is arranged; the revolving shaft assembly is movably connected with the tool bit transmission assembly and is used for driving the tool bit transmission assembly to rotate to realize the radial rotation of the tool bit; the tool bar assembly is of a bendable structure, and is in rigid connection with the outer bar assembly; the outer bar assembly is provided with a reciprocating drive sleeve matched with the tool bar assembly, and the reciprocating drive sleeve moves backwards through power to drive the tool bar assembly and drive the tool bit to move to realize the bending of the tool bit. The bone tissue grinding tool disclosed by the invention is more reasonable in structural design; the tool bit not only can rotate steadily and slight in jump but also can rotate at a high speed and is high in work efficiency; the tool is small in diameter, so that the use is convenient, the pain of a patient is little, and the comprehensive effect of the surgery is better.
Description
Technical field
The present invention relates to a kind of operation cutter, particularly osseous tissue grinding knife tool is used in a kind of operation, and it belongs to medical apparatus and instruments, is mainly applicable in the bone surgery of human body.
Background technology
In prior art, often need during bone surgery to polish to the osseous tissue of human body, or planing is hard, cartilage.Normally, what operation adopted is power grinding knife tool, sends into inside of human body by cutter, is polished or hard, cartilage of planing to osseous tissue by the high-speed rotation of power drive cutter head.
Chinese invention patent application 2014100417607 discloses concrete structure and the operation principle of one " medical grinding knife tool ", it comprises cutter pipe assembly and bistrique, described cutter pipe assembly comprise outer cutter pipe and coaxial rotation coordinate in be placed on outer cutter pipe and within bistrique transmission coordinates cutter pipe, described bistrique tail end is articulated with interior cutter pipe in the mode of circumferencial direction transmission, and described interior cutter pipe is at least positioned at its front end and is provided with for hinged with bistrique tail end and can the Flexible Transmission section of transmitting torque; During use, realized the elevating movement of bistrique by driven forward Flexible Transmission section.The object of foregoing invention patent application is exactly to carry out the elevating movement of bistrique, and utilizes Flexible Transmission to compensate due to pitching and the axis runout that causes of transmission, and bistrique is realized longitudinally and the position adjustments of circumference.But its structural design is reasonable not, owing to being provided with Flexible Transmission section, perform the operation use time, bistrique elevating movement can make Flexible Transmission section depart from power transmission shaft axle center, and when power transmission shaft rotates, the centrifugal force of Flexible Transmission section can make bistrique rock, rotating speed is higher rock more severe; Because osseous tissue polishing requires high rotating speed just effective percentage, usual rotating speed needs to reach more than 30000 revs/min, and said structure designs makes troubles to the operation of osseous tissue polishing, and brings unnecessary misery to patient.
Also have some other operation osseous tissue grinding knife tool also to apply for Chinese invention and utility model patent, but their structural design is more unreasonable, mutually can not combines and bistrique is realized longitudinally and the position adjustments of circumference.
Summary of the invention
Technical problem to be solved by this invention to overcome in prior art existing above-mentioned deficiency, and provide a kind of structural design more rationally, operation time the cutter head operation osseous tissue grinding knife tool that can not rock; The present invention also reaches the object that tool bit diameter is little, rotating speed is fast simultaneously.
The present invention's adopted technical scheme that solves the problem is: this operation osseous tissue grinding knife tool comprises cutter head transmission component, knife bar assembly and the outer bar assembly arranged successively, cutter head in cutter head transmission component is bendable structure, it is characterized in that: described cutter head transmission component comprises cutter head, the driving member and the head that is in transmission connection that distribute successively, the two ends of driving member are movably hinged with the end of cutter head and the head that is in transmission connection respectively; Arrange a rotating assembly, it is flexibly connected with described cutter head transmission component and drives cutter head transmission component to rotate, and realizes the radial rotating of cutter head; Described knife bar assembly is bendable structure and it is connected with outer bar component stiffness, outside bar assembly is arranged a reciprocal actuating sleeve matched with knife bar assembly, by power, reciprocal actuating sleeve is moved backward drive knife bar assembly and be with dynamic cutter head to move, realize the curved dynamic of cutter head.Make the present invention's cutter head when performing the operation can rotate and can curvedly move thus, but cutter head can not rock, stability of rotation, beat little, and rotating speed is fast.
One end of knife bar assembly of the present invention arranges cutter head overcoat and bracing frame that inner sleeve has the head that is in transmission connection, and the other end is fixed with joint after the driving tube matched with reciprocal actuating sleeve.Make structure of the present invention simple, cutter head is curved flexibly dynamic, accurate positioning.
Knife bar assembly of the present invention also comprises driving tube front connector, driving tube, stay pipe, outside protective pipe and positioning sleeve; cutter head overcoat and bracing frame are movably hinged; bracing frame welds with stay pipe; the forward and backward joint of driving tube welds with driving tube respectively, and stay pipe also welds with outside protective pipe and positioning sleeve respectively between driving tube and outside protective pipe.Make structure of the present invention simple, cutter head is curved flexibly dynamic, arranges outside protective pipe and keeps hinged stability and ruggedness.
The two ends of driving member of the present invention are spherical, arrange boss, and two boss differ 90 ° at axis direction by spherical center, two ends.Make structure of the present invention simple, cutter head stability of rotation.
Outer bar assembly of the present invention comprises locating ring, adapter sleeve, gland, back and forth actuating sleeve and epitheca main body, described locating ring and adapter sleeve welding, adapter sleeve and epitheca main body are fixed, gland and reciprocal actuating sleeve are fixed, after described driving tube, joint location is at gland and back and forth between actuating sleeve, realizes axial location and the driving of joint after driving tube.Make cutter head of the present invention curved dynamic easy to adjust, accurate positioning.
The head that is in transmission connection of the present invention is a symmetrical structure distributed by axis, and its one end has connector slot, and the other end has flat groove, and is provided with step.Make structure of the present invention simple, easy to connect, stability of rotation.
Cutter head overcoat of the present invention and bracing frame are hollow structure and both are movably hinged, and cutter head overcoat can rotate around rotating shaft, and in bracing frame, be provided with interior step.Make cutter head of the present invention curved flexibly dynamic, stability of rotation, accurate positioning.
Rotating assembly of the present invention is a symmetrical structure distributed by axis, and its front end is provided with flat convex.Make structure of the present invention simple, easy to connect, stability of rotation.
The present invention compared with prior art, has the following advantages and effect: structural design is more reasonable, and cutter head can stability of rotation, beats little, again can high speed rotating, and work efficiency is high; Meanwhile, tool bit diameter is little, easy to use, and patient suffering is little.In bone surgery, use more stable, reliable and safety, the resultant effect of operation is better.
Accompanying drawing explanation
Fig. 1 is the structural representation after installation of the present invention is connected with coupling.
Fig. 2 is overall structure schematic diagram of the present invention.
Fig. 3 is the structural representation enlarged drawing at A place in Fig. 2.
Fig. 4 is the structural representation enlarged drawing at B place in Fig. 2.
Fig. 5 be in Fig. 3 cutter head curved dynamic time structural representation.
Fig. 6 is the structural representation of knife bar assembly of the present invention.
Fig. 7 is the structural representation expanded view of cutter head transmission component of the present invention.
Fig. 8 is the structural representation top view of driving member in Fig. 7.
Fig. 9 is the cutter head overcoat of knife bar assembly of the present invention and the syndeton schematic diagram of bracing frame.
Figure 10 is structural representation when cutter head overcoat turns over an angle in Fig. 9.
Figure 11 is the structural representation front view of cutter head overcoat in Fig. 9.
Figure 12 is the structural representation top view of cutter head overcoat in Figure 11.
Figure 13 is the structural representation right view of cutter head overcoat in Figure 11.
Figure 14 is the structural representation axonometric chart of cutter head overcoat of the present invention.
Figure 15 is the structural representation of rotating assembly of the present invention.
Detailed description of the invention
See Fig. 1-Figure 15, the present invention forms primarily of cutter head transmission component 1, knife bar assembly 2, outer bar assembly 3 and rotating assembly 7, knife bar assembly 2 is connected with cutter head transmission component 1 and outer bar assembly 3 respectively, rotating assembly 7 matches with cutter head transmission component 1, and the cutter head 11 in cutter head transmission component 1 and knife bar assembly 2 are bendable structure.When operation uses, the present invention is connected with coupling 4 and connects cable connector.
Cutter head transmission component 1 of the present invention comprises the cutter head 11, the driving member 12 that distribute successively and is in transmission connection 13, the two ends of driving member 12 respectively with the cutter head groove 1131 of cutter head 11 and be in transmission connection 13 connector slot 131 be movably hinged, make cutter head 11 can stability of rotation, circle beat little, again can high-speed rotation.Wherein: cutter head 11 is containing ballhead 111, and stage casing 112 and back segment 113, back segment 113 has cutter head groove 1131.The two ends of driving member 12 are spherical, arrange boss 123 by spherical center, two ends, and two boss 123 differ 90 ° at axis direction; A left side spherical 121 and the right side spherical 122 can be Split type structures, also can be overall structures.Being in transmission connection 13 is one by the symmetrical structure of axis distribution, and it comprises connector slot 131, step 132 and flat groove 133, and step 132 is herein in order to step 221 in positioning supporting frame 22, and flat groove 133 is in order to coordinate rotating assembly 7.
In the present embodiment, being in transmission connection 13 is arranged on the bracing frame 22 of knife bar assembly 2 when using, and it is axially irremovable, but it can longitudinally rotate.
Knife bar assembly 2 of the present invention comprises joint 28 after cutter head overcoat 21, bracing frame 22, driving tube front connector 23, driving tube 24, stay pipe 25, outside protective pipe 26, positioning sleeve 27 and driving tube, cutter head overcoat 21 and bracing frame 22 are movably hinged, bracing frame 22 welds with stay pipe 25, after driving tube front connector 23 and driving tube, joint 28 welds with driving tube 24 respectively, forms one; Stay pipe 25 also welds with outside protective pipe 26 and positioning sleeve 27 respectively between driving tube 24 and outside protective pipe 26, and positioning sleeve 27 welds when general assembly.
In the present embodiment, after stay pipe 25 and positioning sleeve 27 weld, stay pipe 25 relies on positioning sleeve 27 stressed; After driving tube, joint 28 is positioned at gland 33 and back and forth between actuating sleeve 34, realizes axial location and the driving of joint 28 after driving tube.
In above-mentioned knife bar assembly 2, cutter head overcoat 21 and bracing frame 22 are hollow structure and both are movably hinged, and cutter head overcoat 21 can rotate around rotating shaft 211, and in bracing frame 22, be provided with interior step 221, at this, although cutter head overcoat 21 can rotate around rotating shaft 211, can not axially-movable.Wherein: cutter head overcoat 21 is a columniform body, is provided with rotating shaft 211, has pin hole 212; During use, connect cutter head overcoat 21 and bracing frame 22 by the pin in pin hole 212.
Cutter head shelves ring 5 and cutter head fixture block 6 is also provided with between cutter head transmission component 1 and knife bar assembly 2, cutter head fixture block 6 is stuck on the stage casing 112 of cutter head 11, before cutter head shelves ring 5 is located at cutter head fixture block 6, when on the bracing frame 22 that cutter head transmission component 1 is arranged on knife bar assembly 2, carry out axial location by cutter head shelves ring 5 and cutter head fixture block 6.
Outer bar assembly 3 of the present invention is symmetrically distributed on knife bar assembly 2, it comprises locating ring 31, adapter sleeve 32, gland 33, back and forth actuating sleeve 34 and epitheca main body 35, locating ring 31 and adapter sleeve 32 weld, now, when Fig. 3, Fig. 4, the centrage 300 of the centrage 110 of cutter head transmission component 1 and the centrage 200 of knife bar assembly 2 and outer bar assembly 3 on the same axis; Adapter sleeve 32 is bonding after being threaded with epitheca main body 35, and gland 33 is bonding after being threaded with reciprocal actuating sleeve 34, and reciprocal actuating sleeve 34 is threaded in epitheca main body 35.
In the present embodiment, knife bar assembly 2 and outer bar assembly 3 make to be connected more stable by positioning sleeve 27, after driving tube, joint 28 is convenient drives.
The present invention is also provided with the flat rotating assembly of convex 71 7 of a band, the centrage of this rotating assembly 7 and the centrage 300 of outer bar assembly 3 are on the same axis, on rotating assembly 7 flat convex 71 is coordinated with the flat groove 133 be in transmission connection on 13 by knife bar assembly 2, is in transmission connection 13 to drive.
During use, rotating through of cutter head 11 realizes with under type:
Because rotating assembly 7 is flexibly connected with cutter head transmission component 1, it can drive cutter head transmission component 1 to rotate, and realizes the radial rotating of cutter head 11 with this.
The curved dynamic of cutter head 11 realizes in the following manner:
Due to knife bar assembly 2 for bendable structure and itself and outer bar assembly 3 be rigidly connected, outside bar assembly 3 is provided with a reciprocal actuating sleeve 34 matched with knife bar assembly 2, by power, reciprocal actuating sleeve 34 is moved forwards or backwards drive knife bar assembly 2 and be with dynamic cutter head 11 and driving member 12 to move, realize the curved dynamic of cutter head 11 and push up straight; Wherein, by power, reciprocal actuating sleeve 34 is moved backward and drive knife bar assembly 2 and be with dynamic cutter head 11 to move, now cutter head 11 is curved dynamic; Otherwise make reciprocal actuating sleeve 34 travel forward by power and drive knife bar assembly 2 and be with dynamic cutter head 11 to move, now cutter head 11 pushes up directly.
Said in present patent application " tool bit diameter is little, and rotating speed is fast " refers to: the diameter of cutter head 11 can be less than 3.5mm; Rotating speed can reach more than 30000 revs/min.
All equivalences of doing according to structure, feature and the principle described in inventional idea of the present invention or simple change, be included in the protection domain of patent of the present invention.
Claims (8)
1. an osseous tissue grinding knife tool is used in operation, and comprise cutter head transmission component, knife bar assembly and the outer bar assembly arranged successively, the cutter head in cutter head transmission component is bendable structure, it is characterized in that:
Described cutter head transmission component comprises cutter head, the driving member and the head that is in transmission connection that distribute successively, and the two ends of driving member are movably hinged with the end of cutter head and the head that is in transmission connection respectively;
Arrange a rotating assembly, it is flexibly connected with described cutter head transmission component and drives cutter head transmission component to rotate, and realizes the radial rotating of cutter head;
Described knife bar assembly is bendable structure and it is connected with outer bar component stiffness, outside bar assembly is arranged a reciprocal actuating sleeve matched with knife bar assembly, by power, reciprocal actuating sleeve is moved backward drive knife bar assembly and be with dynamic cutter head to move, realize the curved dynamic of cutter head.
2. operation osseous tissue grinding knife tool according to claim 1, is characterized in that: one end of described knife bar assembly arranges cutter head overcoat and bracing frame that inner sleeve has the head that is in transmission connection, and the other end is fixed with joint after the driving tube matched with reciprocal actuating sleeve.
3. operation osseous tissue grinding knife tool according to claim 1 and 2; it is characterized in that: described knife bar assembly also comprises driving tube front connector, driving tube, stay pipe, outside protective pipe and positioning sleeve; cutter head overcoat and bracing frame are movably hinged; bracing frame welds with stay pipe; the forward and backward joint of driving tube welds with driving tube respectively, and stay pipe also welds with outside protective pipe and positioning sleeve respectively between driving tube and outside protective pipe.
4. operation osseous tissue grinding knife tool according to claim 1 and 2, is characterized in that: the two ends of described driving member are spherical, arrange boss, and two boss differs 90 ° at axis direction by spherical center, two ends.
5. operation osseous tissue grinding knife tool according to claim 1 and 2, it is characterized in that: described outer bar assembly comprises locating ring, adapter sleeve, gland, back and forth actuating sleeve and epitheca main body, described locating ring and adapter sleeve welding, adapter sleeve and epitheca main body are fixed, gland and reciprocal actuating sleeve are fixed, after described driving tube, joint location is at gland and back and forth between actuating sleeve, realizes axial location and the driving of joint after driving tube.
6. operation osseous tissue grinding knife tool according to claim 1 and 2, is characterized in that: the described head that is in transmission connection is a symmetrical structure distributed by axis, and its one end has connector slot, and the other end has flat groove, and is provided with step.
7. operation osseous tissue grinding knife tool according to claim 2, is characterized in that: described cutter head overcoat and bracing frame are hollow structure and both are movably hinged, and cutter head overcoat can rotate around rotating shaft, and in bracing frame, be provided with interior step.
8. operation osseous tissue grinding knife tool according to claim 1 and 2, is characterized in that: described rotating assembly is a symmetrical structure distributed by axis, and its front end is provided with flat convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370515.5A CN105030295B (en) | 2015-06-30 | 2015-06-30 | Bone tissue grinding knife tool is used in one kind operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370515.5A CN105030295B (en) | 2015-06-30 | 2015-06-30 | Bone tissue grinding knife tool is used in one kind operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105030295A true CN105030295A (en) | 2015-11-11 |
| CN105030295B CN105030295B (en) | 2018-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510370515.5A Active CN105030295B (en) | 2015-06-30 | 2015-06-30 | Bone tissue grinding knife tool is used in one kind operation |
Country Status (1)
| Country | Link |
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| CN (1) | CN105030295B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303864A (en) * | 2020-06-30 | 2021-08-27 | 重庆西山科技股份有限公司 | Elbow pipe grinding tool with angle-adjustable tool bit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5928241A (en) * | 1995-06-14 | 1999-07-27 | Sodem Diffusion S.A. | Quick connection method and device, and surgical instrument for driving interchangeable rotary tools |
| US20050159751A1 (en) * | 2004-01-13 | 2005-07-21 | Berthusen Andrew H. | Variable angle orthopaedic reamer driver |
| CN202104982U (en) * | 2011-05-10 | 2012-01-11 | 孙涛 | Orthopedics grinding drill capable of changing directions |
| CN103767759A (en) * | 2014-01-28 | 2014-05-07 | 重庆西山科技有限公司 | Medical grinding cutter |
| CN104688295A (en) * | 2015-01-14 | 2015-06-10 | 雷东 | Medical grinding power device with angle adjusting function |
-
2015
- 2015-06-30 CN CN201510370515.5A patent/CN105030295B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5928241A (en) * | 1995-06-14 | 1999-07-27 | Sodem Diffusion S.A. | Quick connection method and device, and surgical instrument for driving interchangeable rotary tools |
| US20050159751A1 (en) * | 2004-01-13 | 2005-07-21 | Berthusen Andrew H. | Variable angle orthopaedic reamer driver |
| CN202104982U (en) * | 2011-05-10 | 2012-01-11 | 孙涛 | Orthopedics grinding drill capable of changing directions |
| CN103767759A (en) * | 2014-01-28 | 2014-05-07 | 重庆西山科技有限公司 | Medical grinding cutter |
| CN104688295A (en) * | 2015-01-14 | 2015-06-10 | 雷东 | Medical grinding power device with angle adjusting function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303864A (en) * | 2020-06-30 | 2021-08-27 | 重庆西山科技股份有限公司 | Elbow pipe grinding tool with angle-adjustable tool bit |
| CN113303864B (en) * | 2020-06-30 | 2023-03-14 | 重庆西山科技股份有限公司 | Elbow pipe grinding tool with angle-adjustable tool bit |
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| Publication number | Publication date |
|---|---|
| CN105030295B (en) | 2018-02-02 |
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