CN208725820U - A kind of soft brill for pedicle of vertebral arch - Google Patents
A kind of soft brill for pedicle of vertebral arch Download PDFInfo
- Publication number
- CN208725820U CN208725820U CN201820354279.7U CN201820354279U CN208725820U CN 208725820 U CN208725820 U CN 208725820U CN 201820354279 U CN201820354279 U CN 201820354279U CN 208725820 U CN208725820 U CN 208725820U
- Authority
- CN
- China
- Prior art keywords
- pedicle
- flexible axle
- vertebral arch
- guide pipe
- cutting head
- 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.)
- Active
Links
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of soft brills for pedicle of vertebral arch comprising drill body and guide pipe；The drill body head and the tail are disposed with drillstock, guide rod, flexible axle and cutting head；The guide pipe is removably socketed the drill body, and one end of the guide pipe corresponds to the guide rod, and the other end of the guide pipe corresponds to the cutting head, and one end of the correspondence cutting head of the guide pipe is provided with sawtooth；Be it is a kind of can be matched with electric drill, boring direction can be precisely controlled, pierce the high soft brill for pedicle of vertebral arch of stability.
Description
Technical field
The utility model relates to the technical fields of Medical bit, and in particular to a kind of soft brill for pedicle of vertebral arch.
Background technique
Currently, the tool conventionally used for pedicle of vertebral arch prebored hole is triangular pyramid in the operative process of pedicle of vertebral arch implantation.
The boring direction of triangular pyramid lean on completely patient estimate determine, if the axis direction of boring direction and pedicle of vertebral arch have significantly it is poor
Not, triangular pyramid will wear out pedicle of vertebral arch cortex, and prebored hole is caused to fail, and influence the safety and precise implantation of pedicle nail.Therefore, such as
What guarantees that the accuracy of screw conduits open circuit is to guarantee that spinal operation is successfully crucial.
Notification number is that the Chinese utility model patent of CN201120428071.3 discloses a kind of hand-operated pediculus arcus vertebrae opening drill,
It includes that bit head, brill line portion, rod body part and handle portion, the bit head are connect with the brill line portion；The rod body part is bullet
Property material be made, one end is connect with the brill line portion, and the other end is connect with the handle portion, the bit head be circle obtuse circle
Taper.The utility model is designed reasonably, structure is simple, utilizes smooth passivity bit head and the elasticity with appropriately curved performance
Rod body part, when bit head encounters hard cortex bone, rod body part utilizes the appropriately curved performance of its elastic material, is bit head
Guide function is provided, bit head is made to turn to cancellous bone along the elasticity of rod body part, thus can be in relatively narrow pedicle of vertebral arch
Quickly, screw of establishing accurately, safe enters channel.Drill bit by circle obtuse and the body of rod using resilient material are matched
Close the drilling realized to pedicle of vertebral arch；In contrast, requirement of the above-mentioned hand-operated pediculus arcus vertebrae opening drill to operating technology is high, needs artificial hand
What dynamic control open circuit was bored pierces, while the stability shortcoming pierced when using of performing the operation.
Utility model content
In order to overcome the above technical defects, the utility model provide it is a kind of can be matched with electric drill, and be precisely controlled brill
Hole direction pierces the high soft brill for pedicle of vertebral arch of stability.
To solve the above-mentioned problems, the utility model is achieved by following technical scheme:
A kind of soft brill for pedicle of vertebral arch described in the utility model comprising drill body and guide pipe；The drill body head and the tail
It is disposed with drillstock, guide rod, flexible axle and cutting head；The guide pipe is removably socketed the drill body, the guide pipe
One end correspond to the guide rod, the other end of the guide pipe corresponds to the cutting head, the correspondence cutting head of the guide pipe
One end be provided with sawtooth.
Further, one end of the connection flexible axle of the guide rod is provided with spiral helicine chip space；It is set by this
Meter, the cooperation with the partial threads of drill bit, bone bits, which are cut, to leave with a camber line to central part later, broken when cutting
Bits leave, and can accelerate penetration rate, reduce operating time；The design simultaneously can prevent drill bit and cutting clast friction, extend and bore
The service life of tool.
Further, the flexible axle is the transmission shaft for having both transmitting torque and bending property.
Further, the flexible axle is elastic metallic bar.
Further, the flexible axle is the flexible axle for being built-in with the metal central spindle of transmitting torque.
Further, the flexible axle is formed by connecting by multiple rigid rotating sections with transmitting torque.
Further, the drill body is provided with multiple connectors；The connector is connected the flexible axle and the guide pipe,
Another connector is connected the flexible axle and the cutting head；Connector increases for being connected flexible axle and guide rod, flexible axle and cutting head
Switching performance between them by force.
Further, the soft brill is equipped with dismountable manual handle, and the manual handle is connect with the drillstock；It is logical
This design is crossed, switching manually or automatically can be carried out as needed；More meet the demand of actual operation.
Compared with prior art, the utility model has the beneficial effects that
1, the setting of guide pipe, is oriented to drill body and is limited, and drill body can be accurately positioned and pierce direction and limit it partially
To position range；Meanwhile the soft brill can be matched with electrical equipment.
2, when cutting head encounters hard cortex bone, it is the guide function that cutting head provides by flexible axle, makes bit head
Cancellous bone is turned under the guiding of flexible axle, so that in relatively narrow pedicle of vertebral arch quick, accurate, safety spiral shell can be established
Nail enters channel, avoids generating bias when drilling, reduces and bores the probability that broken pedicle of vertebral arch causes nerve, injury of blood vessel, for merging
There is the complicated operation of pedicle of vertebral arch deformity, boring direction can be precisely controlled, hence it is evident that improves surgical quality.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the soft brill composition figure of the embodiments of the present invention 1；
Fig. 2 is the soft brill composition figure of the embodiments of the present invention 2；
Fig. 3 is the soft brill composition figure of the embodiments of the present invention 2；
In figure: 1- drill body, 11- drillstock, 12- guide rod, 13- flexible axle, 14- cutting head, 15- connector, 2- guide pipe, 3-
Manual handle.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, a kind of soft brill for pedicle of vertebral arch of the present embodiment 1 comprising drill body 1 and guide pipe 2, it is described to lead
It is removably socketed the drill body 1 to pipe 2, the drill body 1, which is confessed one's crime, is divided into four sections to tail, is drillstock 11 respectively, guide rod 12, soft
Axis 13 and cutting head 14.
Wherein, the flexible axle 13 is the metallic rod with certain elasticity and bending property, can be while transmitting torque, can
The guiding role in certain steering range is provided for cutting head 14；One end of the connection flexible axle 13 of the guide rod 12 opens up
There is spiral helicine chip space, which is provided with integrated connector 15 in the end of the chip space, which is connected institute
State guide rod 12 and the flexible axle 13；14 one of cutting head is provided with another connector 15, which is connected institute
State cutting head 14 and the flexible axle 13.
Preferably, the cutting head 14, flexible axle 13, guide rod 12 are identical with the diameter of connector 15 for the present embodiment.
The drillstock 11 be rule regular polygon column, be placed in the head end of drill body 1, for connect electric drill drill chuck or
Connect the manual handle 3.
Specifically, the guide pipe 2 is the straight round tube cooperated with the drill body 1, described in one end of the guide pipe 2 is corresponding
Guide rod 12, the other end of the guide pipe 2 correspond to the cutting head 14, one end of the correspondence cutting head 14 of the guide pipe 2
It is provided with sawtooth；；What the tube wall of the guide pipe 2 coated the cutting head 14, the flexible axle 13 and the guide rod 12 includes
The part body of rod of chip space.
Embodiment 2
As shown in Fig. 2, a kind of soft brill for pedicle of vertebral arch of the present embodiment 2 comprising drill body 1 and guide pipe 2, it is described to lead
It is removably socketed the drill body 1 to pipe 2, the drill body 1, which is confessed one's crime, is divided into four sections to tail, is drillstock 11 respectively, guide rod 12, soft
Axis 13 and cutting head 14.
The flexible axle 13 is sequentially connected end to end by multiple rigid rotating sections for transmitting torque, and the flexible axle 13 is in axis
Do not have extensibility on line direction, turn to cutting head 14 can in a certain range；The connection of the guide rod 12 flexible axle 13
One end offer spiral helicine chip space, which is provided with integrated connector 15, the connection in the end of the chip space
First 15 are connected the guide rod 12 and the flexible axle 13；14 one of cutting head is provided with another connector 15, the connection
First 15 are connected the cutting head 14 and the flexible axle 13.
Preferably, the diameter of the flexible axle 13 is less than the guide rod 12 and the cutting head 14 to the present embodiment.
Wherein, the drillstock 11 is the regular polygon column of rule, the head end of drill body 1 is placed in, for connecting the brill of electric drill
Collet or the connection manual handle 3.
Specifically, the guide pipe 2 is the straight round tube cooperated with the drill body 1, described in one end of the guide pipe 2 is corresponding
Guide rod 12, the other end of the guide pipe 2 correspond to the cutting head 14, one end of the correspondence cutting head 14 of the guide pipe 2
It is provided with sawtooth；That the tube wall of the guide pipe 2 coats the cutting head 14, the flexible axle 13 and the guide rod 12 includes row
Consider the part body of rod of slot to be worth doing.
Embodiment 3
As shown in figure 3, a kind of soft brill for pedicle of vertebral arch of the present embodiment 3 comprising drill body 1 and guide pipe 2, it is described to lead
It is removably socketed the drill body 1 to pipe 2, the drill body 1, which is confessed one's crime, is divided into four sections to tail, is drillstock 11 respectively, guide rod 12, soft
Axis 13 and cutting head 14.
The flexible axle 13 is the flexible axle 13 of built-in central spindle comprising made of being woven as elastic wire have resilient sleeve and
Central spindle made of stainless steel cable, the resilient sleeve are built-in with multiple bearings with central spindle cooperation, and the both ends of the central spindle are run through
The resilient sleeve simultaneously extends the transmission connection of outer and connector 15.The central spindle has certain bending property, passes through bearing
Socket realize torque transmitting.
One end of the connection flexible axle 13 of the guide rod 12 offers spiral helicine chip space, and the end is in the chip removal
The end of slot is provided with integrated connector 15, which is connected the guide rod 12 and the flexible axle 13；The cutting
First 14 one is provided with another connector 15, which is connected the cutting head 14 and the flexible axle 13.The drillstock
11 be regular regular polygon column, the head end of drill body 1 is placed in, for connecting the drill chuck of electric drill.
Specifically, the guide pipe 2 is the straight round tube cooperated with the drill body 1, described in one end of the guide pipe 2 is corresponding
Guide rod 12, the other end of the guide pipe 2 correspond to the cutting head 14, one end of the correspondence cutting head 14 of the guide pipe 2
It is provided with sawtooth；；What the tube wall of the guide pipe 2 coated the cutting head 14, the flexible axle 13 and the guide rod 12 includes
The part body of rod of chip space.
A kind of soft brill working principle for pedicle of vertebral arch described in the utility model is: in use, by drilling rod and power source
It is connected and fixed, the cutting head of drill body is put into guide pipe from the adenticulate one end of guide pipe, one end by guide pipe with sawtooth
And cutting head is directed at entry point, under the transmission work of power source, when cutting head enters in sclerotin with part flexible-shaft drill, due to bone
There are obvious difference of hardness between cortex and cancellous bone, under the elastic guide of flexible axle；Cutting head can be along the lesser vertebral arch of hardness
The sliding of root direction, also can artificially control drill bit direction, enter drill bit in centrum along pedicle of vertebral arch, and be unlikely to bore brokenly pedicle of vertebral arch
Wall reduces the probability for causing nerve, injury of blood vessel.
A kind of other structures of the soft brill for pedicle of vertebral arch described in the present embodiment are referring to the prior art.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, therefore it is all without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to above
Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.
Claims (8)
1. a kind of soft brill for pedicle of vertebral arch, which is characterized in that it includes drill body (1) and guide pipe (2)；The drill body (1) is first
Tail is disposed with drillstock (11), guide rod (12), flexible axle (13) and cutting head (14)；The guide pipe (2) removably covers
It connects the drill body (1), one end of the guide pipe (2) corresponds to the guide rod (12), and the other end of the guide pipe (2) is corresponding
One end of the cutting head (14), the correspondence cutting head (14) of the guide pipe (2) is provided with sawtooth.
2. the soft brill according to claim 1 for pedicle of vertebral arch, which is characterized in that described in the connection of the guide rod (12)
One end of flexible axle (13) is provided with spiral helicine chip space.
3. the soft brill according to claim 1 for pedicle of vertebral arch, which is characterized in that the flexible axle (13) is to have both transmitting to turn round
The transmission shaft of square and bending property.
4. the soft brill according to claim 3 for pedicle of vertebral arch, which is characterized in that the flexible axle (13) is elastic metallic
Bar.
5. the soft brill according to claim 3 for pedicle of vertebral arch, which is characterized in that the flexible axle (13) is to be built-in with transmitting
The flexible axle of the metal central spindle of torque.
6. the soft brill according to claim 3 for pedicle of vertebral arch, which is characterized in that the flexible axle (13) is that had by multiple
The rigid rotating section of transmitting torque is formed by connecting.
7. according to the described in any item soft brills for pedicle of vertebral arch of claim 4 to 6, which is characterized in that drill body (1) setting
There are multiple connectors (15)；The connector (15) is connected the flexible axle (13) and the guide pipe (2), another connector (15)
It is connected the flexible axle (13) and the cutting head (14).
8. the soft brill according to claim 7 for pedicle of vertebral arch, which is characterized in that the soft brill is removably equipped with hand
Turn connect (3), the manual handle (3) with the drillstock (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354279.7U CN208725820U (en) | 2018-03-15 | 2018-03-15 | A kind of soft brill for pedicle of vertebral arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354279.7U CN208725820U (en) | 2018-03-15 | 2018-03-15 | A kind of soft brill for pedicle of vertebral arch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208725820U true CN208725820U (en) | 2019-04-12 |
Family
ID=66021422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820354279.7U Active CN208725820U (en) | 2018-03-15 | 2018-03-15 | A kind of soft brill for pedicle of vertebral arch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208725820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110338880A (en) * | 2019-07-18 | 2019-10-18 | 中国人民解放军东部战区总医院 | Reparation tooling for articular cartilage damage |
-
2018
- 2018-03-15 CN CN201820354279.7U patent/CN208725820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110338880A (en) * | 2019-07-18 | 2019-10-18 | 中国人民解放军东部战区总医院 | Reparation tooling for articular cartilage damage |
| CN110338880B (en) * | 2019-07-18 | 2020-06-12 | 中国人民解放军东部战区总医院 | A restore frock for articular cartilage damage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101885506B1 (en) | Bone screw assembly and instruments for implantation of the same | |
| US5645547A (en) | Revisable interference screw | |
| US4781181A (en) | Boring sensor for intramedullary nail and corresponding intramedullary nail | |
| EP2943141B1 (en) | Dental drill bit and surgical template | |
| US5735867A (en) | Working cannula for arthroscopy | |
| US20090326545A1 (en) | Systems and methods for inserting a bone anchor without a pilot hole | |
| US20090149890A1 (en) | Flexible bone screw | |
| CN101237829B (en) | Bone suture device | |
| US20190298392A1 (en) | Systems and methods for pedicle screw implantation using flexible drill bit | |
| CN108272500A (en) | Self-retaining head of screw | |
| CN208725820U (en) | A kind of soft brill for pedicle of vertebral arch | |
| CA2418941A1 (en) | Device for the introduction of medical items | |
| CN101352368B (en) | Medical self-drilling self-tapping fixed bone spicule | |
| US20150141998A1 (en) | System and method for forming a curved tunnel in bone | |
| CN111329572B (en) | Pedicle screw screwing wrench | |
| CN109998633B (en) | Femoral head necrosis marrow core pressure reducing device | |
| CN208404807U (en) | A kind of novel metal nail for collum femoris,hip | |
| CN206473391U (en) | Fixed guider in a kind of phalangeal fracture Kirschner wire | |
| CN220988890U (en) | Little rotor fixing tool | |
| CN208942242U (en) | Ligament fixing screws the reconstruction tool | |
| CN216495494U (en) | Medullary cavity enlarging drill | |
| CN220404097U (en) | Assembly for internal fixation of pedicle screw | |
| CN116370019A (en) | Reaming device for implanting low-notch femoral neck fracture internal fixation sliding sleeve | |
| CN210931752U (en) | Pedicle of vertebral arch minimal access surgery apparatus | |
| CN209996420U (en) | lengthening skull drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |