CN205286447U - Orthopedics goose saw piece - Google Patents
Orthopedics goose saw piece Download PDFInfo
- Publication number
- CN205286447U CN205286447U CN201521118068.6U CN201521118068U CN205286447U CN 205286447 U CN205286447 U CN 205286447U CN 201521118068 U CN201521118068 U CN 201521118068U CN 205286447 U CN205286447 U CN 205286447U
- Authority
- CN
- China
- Prior art keywords
- blade body
- sheath
- drive
- orthopaedics
- goose saw
- 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.)
- Withdrawn - After Issue
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- Surgical Instruments (AREA)
Abstract
The utility model discloses an orthopedics goose saw piece is connected with aircraft nose drive, and orthopedics goose saw piece includes the saw bit body, the saw bit body is equipped with outward and protects the sheath, and the front end integrated into one piece of saw bit body is provided with the sawtooth of wearing out to protect the sheath, and the tail end integrated into one piece of saw bit body is provided with the drive division, thereby the drive division is used for being connected and driving the swing of saw bit body with the aircraft nose drive driving sawtooth swing formation sawing, through aircraft nose direct drive integrated into one piece in the drive division of saw bit body tail end, avoid utilizing the transfer line drive, shortened the driving chain, simple structure, spare part is few, the equipment of being convenient for to guarantee that the swing of drive saw bit body has higher transmission efficiency, grinding bone tissue efficiency is higher when guaranteeing the operation, and sawtooth and drive division integrated into one piece in saw bit body makes structural strength high, has longer life.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is specifically related to a kind of orthopaedics goose saw sheet.
Background technology
In orthopaedic surgical procedure, goose saw device is the common tool of saw bone, device drives saw blade is driven to swing by orthopaedics saw, and in prior art, it is generally without protecting sheath bone saw sheet, when cutting bone tissue, cause the shortcoming that vibration is big, noise is big and operability is poor, and easily rub with mould bases so that saw blade heating and generation abrasive dust, affect operation process and post-surgical trauma; In order to overcome disadvantages mentioned above, occur in that band protects the goose saw of sheath, saw blade is arranged at the front end protecting sheath, and two reciprocating drive rods that can longitudinally interlock are set in sheath protecting, the front end of drive rod drives with the rear end of saw blade and is connected, the rear end of drive rod and head are in transmission connection, drive rod is driven longitudinally to move back and forth by head, drive rod drives and is arranged at the saw blade swing realization cutting protecting in sheath, making transmission efficiency relatively low owing to being driven by drive rod, and mounting structure is complicated, parts are more, safety is poor, the less stable of goose saw.
Utility model content
In view of this, the purpose of this utility model is to overcome defect of the prior art, and this utility model provides a kind of orthopaedics goose saw sheet; Can simplifying the structure of goose saw, parts are less, easy to assembly, and transmission efficiency is high, and the stability that saw blade swings is high, long service life.
This utility model provides a kind of orthopaedics goose saw sheet, drive with head and be connected, including blade body, described blade body is externally provided with protects sheath, one-body molded being provided with in the front end of blade body passes the sawtooth protecting sheath, the one-body molded drive division that is provided with of the tail end of blade body, described drive division is connected and drives blade body to swing thus driving saw-tooth wobble to form sawing for driving with head.
Further, described blade body centre longitudinally is provided with thinning section, and described thinning section makes the interior thickness of blade body less than two-end thickness.
Further, the longitudinally disposed multiple via holes of described blade body.
Further, described in protect sheath inwall and be longitudinally fixedly installed multiple support rim, what described via hole included passing for support rim and dodging support rim multiple first dodges hole.
Further, described drive division is provided with and is connected and drive hole for driving blade body to swing for driving with the actuator of head, described in protect sheath tail end and be provided with the actuator for head and pass and dodge the second of actuator and dodge hole.
Further, described drive division is circular rotatable portion, and described drive hole is multiple and rotation circular arc direction along circular rotatable portion is arranged.
Further, the tail end protecting sheath and circular drives portion described in is all provided through the guiding pressing groove for coordinating with the locking member on head; Described guiding pressing groove is all longitudinally disposed.
Further, described in protect inside sheath tail end longitudinally central axis and be symmetrically arranged with two support frames, two support frame opposite sides are provided with the arcuate groove for coordinating with circular rotatable portion; The described sheath tail end that protects is provided with spacing hole, and described support frame is provided with the via for coordinating with described spacing hole.
Further, described blade body width from back to front is gradually reduced, and the front end both lateral sides of blade body is provided with lug, described in protect the both lateral sides of sheath and offer and be available for the chip removal mouth that lug laterally passes.
Further, the both lateral sides protecting top and bottom, sheath front end described in is provided with the multiple chip-removal holes longitudinally arranged.
The beneficial effects of the utility model are: the disclosed a kind of orthopaedics goose saw sheet of this utility model, the drive division being shaped in blade body tail end is directly driven by head, avoid utilizing drive link to drive, shorten driving-chain, simple in construction, parts are few, it is easy to assemble, and ensure that driving blade body to swing has higher transmission efficiency, ensure that during operation, grinding osseous tissue is in hgher efficiency, and sawtooth and drive division are shaped in blade body so that structural strength is high, has longer service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that in this utility model, saw blade is installed on the structural representation after head;
Fig. 3 is the structural representation after this utility model Zhong Hu sheath partly cut-away.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, Fig. 2 is that in this utility model, saw blade is installed on the structural representation after head, Fig. 3 is the structural representation after this utility model Zhong Hu sheath partly cut-away, as shown in the figure, this utility model provides a kind of orthopaedics goose saw sheet, drive with head 1 and be connected, orthopaedics goose saw sheet includes blade body 2, described blade body 2 is externally provided with protects sheath 3, one-body molded being provided with in the front end of blade body 2 passes the sawtooth 24 protecting sheath 3, the tail end of blade body 2 is one-body molded is provided with drive division 26, described drive division 26 is connected for driving with head 1, under the driving of head 1 and drive blade body 2 to swing thus drive sawtooth 24 swing formed sawing, the described sheath 3 that protects for housing and is coated at blade body 2, blade body 2 under the driving of drive division 26 can protect in sheath 3 swing, the drive division 26 being shaped in blade body 2 tail end is directly driven by head 1, avoid utilizing drive link to drive, shorten driving-chain, simple in construction, parts are few, it is easy to assemble, and ensure that driving blade body 2 to swing has higher transmission efficiency, it is ensured that during operation, grinding osseous tissue is in hgher efficiency, and sawtooth 24 and drive division 26 are shaped in blade body 2, make structural strength high, there is longer service life.
In the present embodiment, described blade body 2 centre longitudinally is provided with thinning section 21, and described thinning section 21 makes the interior thickness of blade body 2 less than two-end thickness, thinning section 21 is upper by blade body 2 longitudinally middle part, the lower surface thickness direction of blade body 2 (above-below direction be) through-thickness indent is formed, make the interior thickness of blade body 2 less than two-end thickness, and the setting of thinning section 21 has no effect on the shaking moment during teeter of blade body 2, thinning section 21 is beneficial to reduction blade body 2 and protects generation friction area between sheath 3, greatly reduce the caloric value of blade body 2, simultaneously, when blade body with protect sheath there is slight curves simultaneously time, owing to the setting of thinning section 21 makes blade body 2 pars intermedia rigidity low, effectively reduce the normal pressure to contact surface recovering deformation due to blade body 2 and produce, can effectively relatively less friction, reduce caloric value further.
In the present embodiment, the longitudinally disposed multiple via holes of described blade body 2; As shown in the figure, described via hole can include being that matrix distribution is in multiple small sircle hole 2c of the blade body 2 and rectangular opening 2a being arranged at blade body 2 front end, certainly, the shape of via hole can be other shapes, and the distribution of via hole can according to the conformal adjustment of the size of blade body 2; The weight of blade body 2 can be reduced by the setting of via hole, ensure that head 1 drives blade body 2 in hgher efficiency, simultaneously via hole can reduce blade body 2 and with the contact surface protecting sheath 3, reduce blade body 2 and the caloric value protected when sheath 3 rubs further, the via hole being positioned at thinning section 21 is beneficial to the rigidity reducing blade body 2 further, ensure blade body 2 and to protect the normal pressure protecting sheath 3 inwall when sheath 3 bends less, reduce frictional heating.
In the present embodiment, described in protect sheath 3 inwall and be longitudinally fixedly installed multiple support rim 31, described via hole also includes passing and dodge multiple the first of support rim 31 for support rim 31 and dodges hole 22; As it can be seen, described first to dodge hole 22 can be the bar hole that transversely arranges; Support rim 31 is arranged at and protects in the middle of sheath 3 transverse direction, ensure that blade body 2 oscillating stroke is maximum, by support rim 31, also ensure that the spatial altitude protecting sheath 3 middle accommodation chamber will not be less, when protecting sheath 3 when stress bending or external force extruding, support rim 31 plays and supports the effect protecting sheath 3 upper-lower casing, is avoided that protecting sheath 3 extrudes the blade body 2 of inside, ensure that blade body 2 is not locked, it is ensured that operation is smoothed out.
In the present embodiment, described drive division 26 is provided with and is connected and drive hole 26a for driving blade body 2 to swing for driving with the actuator 27a of head 1, described in protect sheath 3 tail end and be provided with the actuator 27a for head 1 and pass and dodge the second of actuator 27a and dodge hole 27; Described actuator 27a drives post, post is driven to dodge hole 27 and drive hole 26a through second and coordinate with drive hole 26a driving, described driving post can be one or more, certainly, when being one when driving post, need to ensureing to drive post and drive hole 26a not to relatively rotate, be arranged to ellipse or rectangle etc. as by by the section driving post, drive hole 26a conforms to and drives the section configuration of post to be set to elliptical aperture or rectangle etc.; By the arcuate directions reciprocally swinging driving post to swing along blade body 2, drive drive hole 26a reciprocating rotation, and then make sawtooth 24 reciprocally swinging, drive structure by hole shape, it is ensured that blade body 2 is easy for installation, drive stable.
In the present embodiment, described drive division 26 is circular rotatable portion, and described drive hole 26a is multiple, and arranges along the rotation circular arc direction in circular rotatable portion; Drive division 26 is beneficial to compact conformation when drive division 26 rotates for circular configuration, and the drive hole 26a of arc shooting is beneficial to arcuate rotation portion uniform force, it is ensured that driving force when blade body 2 swings is stable.
In the present embodiment, described in protect the tail end in sheath 3 and circular drives portion 26 and be all provided through the guiding pressing groove (include being arranged at the guiding pressing groove 26b in circular drives portion and be arranged at the guiding pressing groove 3b protecting sheath tail end) for coordinating with the locking member on head 1; Described guiding pressing groove is all longitudinally disposed; Guiding pressing groove the installation conveniently protecting sheath 3 with blade body 2 is set, improve installation effectiveness during operation, shorten operating time.
In the present embodiment, the described longitudinally central axis that protects inside sheath 3 tail end is symmetrically arranged with two support frames (including support frame 29a and support frame 29b), and two support frame opposite sides are provided with the arcuate groove (arcuate groove includes being arranged at the arcuate groove 28a of support frame 29a and is arranged at the arcuate groove 28b of support bone frame 29b) for coordinating with circular rotatable portion; Support frame ensures that protecting sheath 3 tail end will not deform when the locking member that is subject on head 1 compresses, it is to avoid after protecting the deformation of sheath 3 tail end, extruding drive division 26 affects blade body 2 and swings; Described sheath 3 tail end that protects is provided with spacing hole 29, and described support frame is provided with the via 29c for coordinating with described spacing hole 29; Spacing hole 29 can be two, and lateral symmetry setting along the longitudinal centerline, and spacing hole 29 can effectively prevent from protecting sheath 3 concomitant rotation when driving blade body 2 to swing, it is ensured that protects the stability of sheath 3 during operation. In addition, support frame also can extend to protect sheath 3 front end along protecting sheath 3 longitudinal direction, jointly plays supporting the effect protecting sheath 3 upper-lower casing with support rim 31, avoids protecting sheath 3 further and extrudes the blade body 2 of inside, ensure that blade body 2 is not locked, it is ensured that operation is smoothed out.
In the present embodiment, described blade body 2 width from back to front is gradually reduced, ensure protecting the timing of sheath 3 width one, blade body 2 front end has the bigger amplitude of oscillation, the front end both lateral sides of blade body 2 is provided with lug (including lug 35a and lug 35b), described in protect the both lateral sides of sheath 3 and offer and be available for the chip removal mouth 32 that lug laterally passes, described lug can effectively hinder the bone protected in sheath 3 front end bits entrance to protect sheath 3 rear end, blade body 2 is avoided to engage, can be set to the front bulkhead of described lug be easy to drive bone to consider the streamlined discharged from chip removal mouth 32 to be worth doing simultaneously, can also pass through to arrange two transversely symmetrical lugs, and dodging hole and be arranged between two journal stirrups for dodging the first of support rim 31 in blade body 2 front end, can overcome makes be positioned at front end first to dodge the problem that hole transversely width is too small after reducing due to blade body 2 nose width, the structural strength being simultaneously effectively ensured blade body 2 front end is bigger.
In the present embodiment, described in protect the both lateral sides of top and bottom, sheath 3 front end and be provided with the multiple chip-removal holes 33 longitudinally arranged; Described chip-removal hole 33 longitudinally may be disposed at same position with chip removal mouth 32, is cooperated by chip-removal hole 33 and chip removal mouth 32, is effectively improved the efficiency protecting sheath 3 front end internal chip evacuation.
What finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent replacement, without deviating from objective and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. an orthopaedics goose saw sheet, drive with head and be connected, it is characterized in that: include blade body, described blade body is externally provided with protects sheath, one-body molded being provided with in the front end of blade body passes the sawtooth protecting sheath, the one-body molded drive division that is provided with of the tail end of blade body, described drive division is connected and drives blade body to swing thus driving saw-tooth wobble to form sawing for driving with head.
2. orthopaedics goose saw sheet according to claim 1, it is characterised in that: described blade body centre longitudinally is provided with thinning section, and described thinning section makes the interior thickness of blade body less than two-end thickness.
3. orthopaedics goose saw sheet according to claim 2, it is characterised in that: the longitudinally disposed multiple via holes of described blade body.
4. orthopaedics goose saw sheet according to claim 3, it is characterised in that: described in protect sheath inwall and be longitudinally fixedly installed multiple support rim, what described via hole included passing for support rim and dodging support rim multiple first dodges hole.
5. orthopaedics goose saw sheet according to claim 1, it is characterized in that: described drive division is provided with and is connected and drive hole for driving blade body to swing for driving with the actuator of head, described in protect sheath tail end and be provided with the actuator for head and pass and dodge the second of actuator and dodge hole.
6. orthopaedics goose saw sheet according to claim 5, it is characterised in that: described drive division is circular rotatable portion, and described drive hole is multiple and rotation circular arc direction along circular rotatable portion is arranged.
7. orthopaedics goose saw sheet according to claim 6, it is characterised in that: described in protect the tail end in sheath and circular drives portion and be all provided through the guiding pressing groove for coordinating with the locking member on head; Described guiding pressing groove is all longitudinally disposed.
8. orthopaedics goose saw sheet according to claim 6, it is characterised in that: described in protect inside sheath tail end longitudinally central axis and be symmetrically arranged with two support frames, two support frame opposite sides are provided with the arcuate groove for coordinating with circular rotatable portion; The described sheath tail end that protects is provided with spacing hole, and described support frame is provided with the via for coordinating with described spacing hole.
9. orthopaedics goose saw sheet according to claim 1, it is characterized in that: described blade body width from back to front is gradually reduced, the front end both lateral sides of blade body is provided with lug, described in protect the both lateral sides of sheath and offer and be available for the chip removal mouth that lug laterally passes.
10. orthopaedics goose saw sheet according to claim 1, it is characterised in that: described in protect the both lateral sides of top and bottom, sheath front end and be provided with the multiple chip-removal holes longitudinally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521118068.6U CN205286447U (en) | 2015-12-29 | 2015-12-29 | Orthopedics goose saw piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521118068.6U CN205286447U (en) | 2015-12-29 | 2015-12-29 | Orthopedics goose saw piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205286447U true CN205286447U (en) | 2016-06-08 |
Family
ID=56474494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521118068.6U Withdrawn - After Issue CN205286447U (en) | 2015-12-29 | 2015-12-29 | Orthopedics goose saw piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205286447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105559848A (en) * | 2015-12-29 | 2016-05-11 | 重庆西山科技股份有限公司 | Protecting sheath swinging saw blade |
| CN107693087A (en) * | 2017-11-07 | 2018-02-16 | 北京蒙太因医疗器械有限公司 | Goose saw for osteotomy |
-
2015
- 2015-12-29 CN CN201521118068.6U patent/CN205286447U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105559848A (en) * | 2015-12-29 | 2016-05-11 | 重庆西山科技股份有限公司 | Protecting sheath swinging saw blade |
| WO2017114059A1 (en) * | 2015-12-29 | 2017-07-06 | 重庆西山科技股份有限公司 | Swinging saw blade with protective sheath |
| CN105559848B (en) * | 2015-12-29 | 2019-11-12 | 重庆西山科技股份有限公司 | Protect sheath goose saw piece |
| CN107693087A (en) * | 2017-11-07 | 2018-02-16 | 北京蒙太因医疗器械有限公司 | Goose saw for osteotomy |
| CN107693087B (en) * | 2017-11-07 | 2023-11-03 | 北京蒙太因医疗器械有限公司 | Pendulum saw for osteotomy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20191112 |