CN106821485A - A kind of bone grafting instrument - Google Patents
A kind of bone grafting instrument Download PDFInfo
- Publication number
- CN106821485A CN106821485A CN201710205973.2A CN201710205973A CN106821485A CN 106821485 A CN106821485 A CN 106821485A CN 201710205973 A CN201710205973 A CN 201710205973A CN 106821485 A CN106821485 A CN 106821485A
- Authority
- CN
- China
- Prior art keywords
- bone grafting
- delivery pipe
- bone
- pipe
- pusher
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8816—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the conduit, e.g. tube, along which fluid flows into the body or by conduit connections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
Abstract
The invention discloses the bone grafting instrument in a kind of bone grafting operation, including delivery pipe, delivery pipe is provided with the feeding port with the inner space of delivery pipe on the periphery wall of end, and pusher is detachably provided with by a connection piece in delivery pipe.In the bone grafting instrument of offer of the invention, pusher is detachable setting with delivery pipe, and when being rinsed to bone grafting chamber, pusher is not resided in delivery pipe first, by the use of delivery pipe and feeding port as flushing utensil.When being filled to bone grafting chamber, then pusher is arranged in delivery pipe, then doses filler to the feeding port in delivery pipe, then filler is pushed into bone grafting chamber by pusher, complete the filling in bone grafting chamber.The bone grafting instrument simple structure, realizes two kinds of purposes of a utensil, makes bone grafting operation simple to operate, and then reduces the difficulty of bone grafting operation, reduces the utensil quantity used in bone grafting operation, reduces the cost of bone grafting operation.
Description
Technical field
It is particularly a kind of to need to be implanted into the orthopedic instrument used during bone grafting filler the invention belongs to medical appliance field,
Specifically related to a kind of bone grafting instrument.
Background technology
In field of orthopaedics, bone grafting operation is mainly is transplanted to patient's by by fillers such as bone tissue or biomaterials
The position of fusion is strengthened or guided to bone defects or bone, it is necessary to by bone grafting instrument bone graft in this surgical procedure
Tissue or biomaterial.
Mostly using such as Application No. " 201220176508.3 ", the applying date is bone grafting instrument of the prior art
2012.04.24, the bone grafting instrument described in patent document of the patent name for the utility model of " a kind of bone grafting instrument ", the bone grafting
Device includes the bone grafting body of hollow tubular, and piston is provided with the bone grafting instrument body, and promotion piston is provided with piston along bone grafting instrument
The piston rod of body axis direction movement, the end of bone grafting body is provided with handle.
When in use, now be positioned over ready filler in bone grafting instrument body by the bone grafting instrument of prior art, then by piston
Loaded in bone grafting instrument body, bone grafting body front end alignment is needed to carry out the bone grafting chamber of bone grafting, promote piston to move with piston rod, it is living
Be pushed into filler in bone grafting chamber by plug, completes bone grafting.
During bone grafting operation, before bone grafting is carried out to bone grafting chamber, in addition it is also necessary to which bone grafting chamber is rinsed, will remain
The bone tissue of lesion flushes out bone grafting chamber, it is ensured that neo-implanted filler will not be infected by the bone tissue of lesion.In the prior art
After being typically first rinsed to bone grafting chamber using special flushing utensil, then the bone grafting chamber is planted using above-mentioned bone grafting instrument
Bone.
So first pass through flushing utensil to be rinsed bone grafting chamber, then be replaced with bone grafting instrument and bone grafting chamber is filled,
The replacing of utensil not only makes bone grafting operation cumbersome in bone grafting operation, while also increasing the difficulty and bone grafting hand of bone grafting operation
The cost of art.
The content of the invention
Bone grafting chamber can be rinsed and bone grafting chamber can entered the present invention solves the technical problem of one kind is provided
Row filling bone grafting instrument, make bone grafting operation simple to operate, improve procedure efficiency, while can reduce bone grafting operation difficulty and
The cost of bone grafting operation.
In order to solve the above technical problems, the technical scheme that bone grafting instrument of the invention is used is：Including being filled out for conveying bone grafting
The delivery pipe of thing is filled, the delivery pipe is provided with the inner space of the delivery pipe on the periphery wall of end for dosing plant
The feeding port of bone filler, is detachably provided with pushing the pusher of the bone grafting filler by a connection piece in the delivery pipe
Structure.
It is further preferred that above-mentioned pusher includes being arranged on inside above-mentioned delivery pipe, and dress is moved with the delivery pipe
The push rod matched somebody with somebody, the front end of the push rod is fixedly installed piston, and the piston is located at above-mentioned filler in the limit point of the conveying pipe end
The rear side of mouth.
It is further preferred that above-mentioned connector includes the lever lock being slidedly assemblied on above-mentioned push rod, and the lever lock by card
Binding structure clamping is assemblied at the opening of above-mentioned conveying pipe end.
It is further preferred that the front end of above-mentioned interface arrangment including above-mentioned lever lock it is axially arranged be inserted in hole, this is inserted in hole
Coordinate with above-mentioned conveying pipe end outer peripheral face coaxial package, on the hole wall that this is inserted in hole, the front end face from the hole wall is to rear axle
There is the locking slot of L-type to being extended, the card being engaged by clamping with the locking slot of the L-type is provided with the periphery wall of the delivery pipe
Post.
It is further preferred that the front end of above-mentioned delivery pipe is provided with centered on the center of delivery pipe front end face to contract
With the block mechanism for expanding outwardly.
It is further preferred that the inner and outer tubes that above-mentioned delivery pipe is arranged by co-axial seal are constituted, the inner tube and the outer tube
Rolling assembling, above-mentioned lever lock is assemblied in the inner tube, and the block mechanism includes uniform along its circumferencial direction on the front end face of inner tube
The catch of setting is hinged, the middle part movement of the catch is hinged on the front end face of the outer tube.
It is further preferred that the inner tube is telescoping tube.
It is further preferred that above-mentioned feeding port is in up big and down small horn-like.
It is further preferred that the axis of the feeding port intersects with the axis of the delivery pipe, and by the axis of the delivery pipe
It is at an acute angle to the angle between the axis of described filler mouthful clockwise.
The beneficial effect of bone grafting instrument of the invention is：The present invention provide bone grafting instrument, the pusher of the bone grafting instrument with it is defeated
It is detachable setting to send pipe, and when being rinsed to bone grafting chamber using the bone grafting instrument, the pusher is not resided at first
In the delivery pipe, directly by the use of the feeding port in delivery pipe and delivery pipe as utensil is rinsed, delivery pipe is extend into bone grafting chamber
It is interior, the distal opening of delivery pipe is reduced or blocked, then flushing liquor is injected to feeding port, the end for then opening delivery pipe is opened
Mouthful, flushing liquor is flowed out by its distal opening along delivery pipe, complete to rinse.Bone grafting chamber is filled when using the bone grafting instrument
When, it is not necessary to delivery pipe is taken out and is changed, but directly above-mentioned pusher is arranged in the delivery pipe, letter is installed
Folk prescription just, then doses filler to the feeding port in delivery pipe, then filler is pushed into bone grafting chamber by pusher, completes
The filling in bone grafting chamber.The bone grafting instrument simple structure, when being rinsed to bone grafting chamber and filling two steps, it is not necessary to utensil
Changed, but a pusher is directly installed in the delivery pipe being rinsed to bone grafting chamber, it is possible to formed to planting
Bone cavity carries out the bone grafting utensil of bone grafting, it is achieved that bone grafting instrument of the invention can be rinsed to bone grafting chamber, again can be to planting
Bone cavity is filled, and realizes two kinds of purposes of a utensil, makes bone grafting operation simple to operate, reduces the difficulty of bone grafting operation, and
And procedure efficiency can be greatly improved.Reduce the utensil quantity used in bone grafting operation, reduce bone grafting operation into
This.
The bone grafting instrument that the present invention is provided simultaneously, when being rinsed to bone grafting chamber, the volume that can measure bone grafting chamber is big
It is small, therefore needs can be accurately held to the filler how many volume are dosed in bone grafting chamber, it is to avoid bone grafting chamber occur is not filled out
The excessive situation for causing filler to waste of full or filling.
Further, pusher includes that piston and push rod are combined, and piston and push rod are located inside delivery pipe, reduce bone grafting
Device entire outer diameter size, and the pusher simple structure, it is easy to operate.
Further, pusher is assemblied in delivery pipe using lever lock, and lever lock plays a branch to the push rod of pusher
Support and the effect being oriented to, and lever lock installs simple, quick.Pusher turns into an overall structure with delivery pipe, enters in push rod
During row pusher, it is ensured that pushrod movement is steady, will not fall off.
Further, the block mechanism being preferably provided with, when being rinsed to bone grafting chamber using the bone grafting instrument, block machine
Structure block can play a part of a support limit to the bone grafting instrument first on the inwall in bone grafting chamber, prevent bone grafting instrument from moving.
The gap between delivery pipe and the bone grafting passage for placing the delivery pipe can also be blocked simultaneously, prevent from, when being rinsed, rinsing
Liquid flows out along gap.
Further, inner tube is preferably arranged to telescoping tube, can be applied to and the bone grafting chamber of different depth is rinsed and filled out
Fill.Make the bone grafting instrument scope of application of the invention wider.
Brief description of the drawings
Fig. 1 is the front view of the embodiment of bone grafting instrument of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the embodiment of the bone grafting instrument of Fig. 1；
Fig. 3 is the block mechanism retracted mode figure in the embodiment of the bone grafting instrument of Fig. 1；
Fig. 4 is the block mechanism expansion state figure in the embodiment of the bone grafting instrument of Fig. 1；
Fig. 5 is the use state figure that is rinsed to bone grafting chamber of embodiment of the bone grafting instrument of Fig. 1；
Fig. 6 is the use state figure that is filled to bone grafting chamber of embodiment of the bone grafting instrument of Fig. 1；
Fig. 7 is the inner tube structure schematic diagram in the embodiment of the bone grafting instrument of Fig. 1.
Specific embodiment
In the description of specific embodiment of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ",
" on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the orientation of instruction such as " outward " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without
Be indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that to be limitation of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that referring to
Show or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " are defined
Deng feature can express or implicitly include one or more this feature.In the description of the invention, unless otherwise
Illustrate, the implication of " multiple " refers to two or more.The term "and/or" that this specification is used includes one or more
The arbitrary and all of combination of related Listed Items.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly.For example, it may be being fixedly connected, or being detachably connected, or it is integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and specific embodiment, the present invention will be described in more detail.
Preferred embodiment of the invention is given in accompanying drawing.But, the present invention can be realized in many different forms, not limited
In the embodiment described by this specification.On the contrary, the purpose for providing these embodiments makes to the disclosure
Understand more thorough comprehensive.
As shown in Fig. 1~Fig. 6, the embodiment of bone grafting instrument of the invention includes：Delivery pipe 1, delivery pipe 1 is near the outer of end
The feeding port 3 with the inner space of delivery pipe 1 is provided with perisporium, is detachably provided with by a connection piece 4 in delivery pipe 1
Pusher 5.
As shown in figure 5, the pusher 5 and delivery pipe 1 in bone grafting instrument embodiment of the invention are detachable settings,
When bone grafting chamber 22 on to bone 2 is rinsed, pusher 5 is not resided in delivery pipe 1, directly using delivery pipe
1 with delivery pipe 1 on feeding port 3 as rinse utensil, first delivery pipe 1 is extend into bone 2 by bone grafting passage 21, make conveying
The front opening of pipe 1 is located at the inside edge in bone grafting chamber 22, then blocks the distal opening of delivery pipe 1, then injected to feeding port 3
Flushing liquor, flushing liquor is entered into along delivery pipe 1 and is rinsed in bone grafting chamber 22, then opens the distal opening of delivery pipe 1, is made
Flushing liquor is flowed out along delivery pipe 1 by its distal opening, can repeat aforesaid operations, completes the flushing to bone grafting chamber 22.
As shown in Figure 6, it is necessary to when carrying out bone grafting filling to bone grafting chamber 22, it is not necessary to delivery pipe 1 is taken out into dismounting, is changed,
But pusher 5 is arranged in delivery pipe 1 by connector 4 directly, then to filler 23 is dosed in feeding port 3, utilize
The filler 23 that pusher 5 will be filled into delivery pipe 1 is pushed into bone grafting chamber 22, repeats above-mentioned operating process, until
Untill bone grafting chamber 22 is filled.Complete the filling to bone grafting chamber 22.
Before being filled to bone grafting chamber 22, the sky in bone grafting chamber 22 when being rinsed to bone grafting chamber 22, can be measured
Between size.Measuring method is：After phase or flushing are completed after rinsing, flushing liquor is re-injected, flushing liquor is filled up bone grafting
Chamber 22 and delivery pipe 1, measure total volume of the flushing liquor of filling, what the method measurement that can enter side measurement using marginal not was injected
The volume of flushing liquor, it would however also be possible to employ the volume of flushing liquor is released in the method measurement that flushing liquor is released after filling.Then, with measurement
Flushing liquor cumulative volume subtract delivery pipe 1 inner chamber volume as bone grafting chamber 22 volume, thus can accurately hold
Need to the filler 23 how many volume are dosed in bone grafting chamber 22, it is to avoid occur because the filler 23 to filling how many volume cannot
Accurate measurement and cause bone grafting chamber 22 not to be filled or fill excessive situation.Can cause bone grafting insufficient when unfilled, prolong
In the treatment time limit long, bone collapses equivalent risk.Can cause when filling excessive bone grafting bone cavity pressure increase, be unfavorable for filler 23 with
The combination of chamber inner bone tissues, and new bone tissue growth.Certainly the situation of the waste of filler 23 is also resulted in.
The embodiment of bone grafting instrument of the present invention, when being rinsed to bone grafting chamber and filling two steps, it is not necessary to utensil
Changed, but a pusher is directly installed in the delivery pipe being rinsed to bone grafting chamber, it is possible to formed to planting
Bone cavity carries out the bone grafting utensil of bone grafting, it is achieved that bone grafting instrument of the invention can be rinsed to bone grafting chamber, again can be to planting
Bone cavity is filled, and realizes two kinds of purposes of a utensil, it is not necessary to increase in addition in the prior art and bone grafting chamber 22 is rinsed
Flushing tackling, eliminate the time of replacing, improve the efficiency of operation.Meanwhile, reduce the device used in bone grafting operation
Tool quantity, reduces the cost of bone grafting operation.And the embodiment of bone grafting instrument of the invention, can accurately measure bone grafting chamber
22 volume, improves the precision of bone grafting.
It is further preferred that feeding port 3 is in up big and down small horn-like.The axis phase of the axis of feeding port 3 and delivery pipe 1
Hand over, and it is at an acute angle to the angle α the axis of described filler mouthful by the axis both clockwise of the delivery pipe.So setting can
The flushing liquor inserted to feeding port 3 or bone grafting filler is set easier to be moved to the front end of delivery pipe 1 along delivery pipe 1.
It is further preferred that as shown in Fig. 2 pusher 5 includes being arranged on inside delivery pipe 1, and along the axle of delivery pipe 1
The push rod 6 of line movement, the front end of push rod 6 is fixedly installed the external diameter piston 7 equal with the internal diameter of delivery pipe 1, and piston 7 is defeated
Send the limit point of the end of pipe 1 positioned at the rear side of feeding port 3, during to insert filler 23 to feeding port 3, piston 7 can be promoted
Filler 23 is moved forward along delivery pipe 1.The end of push rod 6 is fixedly installed push handle 9.Pusher 5 uses push rod 6 and piston
7 assembling structure, can be such that pusher 5 is operated in the end of delivery pipe 1, make simple to operate.
It is further preferred that connector 4 includes the lever lock 8 being slidedly assemblied on push rod 6, and lever lock 8 passes through interface arrangment
Clamping is assemblied at the opening of the end of delivery pipe 1.
It is further preferred that the front end of the interface arrangment including lever lock 8 is axially arranged to be inserted in hole 10, be inserted in hole 10 with it is defeated
Send the end outer peripheral face coaxial package of pipe 1 to coordinate, be inserted on the hole wall in hole 10 be provided with backward by the front end face of hole wall it is axially extending
L-type locking slot 11, the card column 12 being engaged by clamping with the locking slot 11 of L-type is provided with the periphery wall of delivery pipe 1.By pusher
Mechanism 5 is arranged on when in delivery pipe 1, and first piston 7 and push rod 6 are inserted into inside delivery pipe 1, then by lever lock 8 by being inserted in hole
10 are sleeved on the outer peripheral face of delivery pipe 1, during suit, make card column 12 first by the axial groove portion in the locking slot 11 of L-type
Point insertion, then rotates lever lock 8, makes in the circumferential slot part that card column 12 entered into the locking slot 11 of L-type, you can by push rod 6
Locked by the axial limiting of lever lock 8 with delivery pipe 1.The coaxial package of lever lock 8 in delivery pipe 1, in the axial pushing course of push rod 6
Play a part of support, be oriented to, make push rod 6 that accurately, stably filler 23 is pushed into bone grafting chamber 22.Lever lock 8 makes pusher
Structure 5 turns into an overall structure with delivery pipe 1, and the stable movement of pusher 5 is ensured in use, will not fall off.
As shown in Fig. 2 it is further preferred that the front end of delivery pipe 1 is provided with being with the center of the front end face of delivery pipe 1
The heart can be to contract and the block for expanding outwardly mechanism 13.By the use of delivery pipe 1 and feeding port 3 as rinsing utensil to bone grafting chamber
22 when be rinsed, due to that can there is gap between the outer peripheral face of delivery pipe 1 and the inwall of bone grafting passage 21, flushed
Cheng Zhong, flushing liquor may be flowed out by the gap, it is necessary to artificial wiping, some troubles, and bone group are caused to bone grafting operation
Knit and be also possible to be flowed at the wound of patient with flushing liquor, the recovery to patient's later stage can have a certain impact.This implementation
The block mechanism 13 of example expands outwardly when delivery pipe 1 is inserted on the inside of the edge in bone grafting chamber 22, so that the block of block mechanism 13
On the inwall in bone grafting chamber 22, block mechanism 13 can play a part of a support limit to delivery pipe 1 first, prevent delivery pipe
1 comes off along the movement of bone grafting passage 21, secondly, can also be by between delivery pipe 1 and bone grafting passage 21 when block mechanism 13 expands outwardly
Gap closure, it is therefore prevented that when being rinsed to bone grafting chamber 22, flushing liquor and bone tissue flow out along gap.
As shown in Figure 2 to 4, it is further preferred that the inner tube 14 that is arranged by co-axial seal of delivery pipe 1 and the structure of outer tube 15
Into inner tube 14 and outer tube 15 are relatively rotated, and lever lock 8 is assemblied in inner tube 14, and above-mentioned block mechanism includes the front end of inner tube 14
The catch 16 of setting is uniformly hinged on face along its circumferencial direction, the middle part movement of catch 16 is hinged on the front end face of outer tube 15.
When delivery pipe 1 is initially inserted into bone grafting passage 21, as shown in figure 3, catch 16 is in the position to contract, and catch 16 encloses
Into external diameter less than outer tube 15 external diameter, when the front port of delivery pipe 1 extend into the edge inner side in bone grafting chamber 22, rotation
Inner tube 14 expands outwardly catch 16, and block is on the inwall in bone grafting chamber 22.
As shown in fig. 7, it is further preferred that inner tube 14 be telescoping tube, the Telescopic of the telescoping tube can be by following
Structure realizes that inner tube 14 includes the first inner tube 141 and the second inner tube 142 that are coaxially arranged, the first inner tube 141 and the second inner tube
142 junction is provided with clamping structure, when needing to adjust the length of inner tube 14, only need to be by the first inner tube 141 relative second
Inner tube 142 is stretched out or is retracted, then using clamping structure by the junction clamping of the first inner tube 141 and the second inner tube 142.
Inner tube 14 with Telescopic can be filled suitable for the bone grafting chamber to different depth.Make the reality of bone grafting instrument of the invention
Apply a scope of application wider.
Above-mentioned clamping structure includes the fixed adapter sleeve 143 being set in the second inner tube 142 and is movably set in first
Movable sleeve 144 on pipe 141, is fixedly installed the elastic claw for being evenly distributed on the outer peripheral face of the first inner tube 141 on adapter sleeve 143
145, the conical cavity for accommodating elastic claw 145 is provided with movable sleeve 144, external screw thread, movable sleeve are provided with adapter sleeve 143
The internal thread coordinated with external screw thread screw thread is provided with 144 inwalls.Such as when the length to inner tube 14 is lengthened, stretching the
One inner tube 141, after determining length, movable sleeve 144 is screwed on adapter sleeve 143, and now elastic claw 145 is in movable sleeve 144
Conical cavity in the presence of gradually taper up, until being clamped on the outer peripheral face of the first inner tube 141 tightly, will the first inner tube
141 and second inner tube 142 lock.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
The equivalent structure transformation that bright specification and accompanying drawing content are made, or other related technical fields are directly or indirectly used in,
It is included within the scope of the present invention.
Claims (9)
1. a kind of bone grafting instrument, including for conveying the delivery pipe of bone grafting filler, it is characterised in that the delivery pipe is near end
Periphery wall on be provided with the feeding port for dosing the bone grafting filler with the inner space of the delivery pipe, it is described defeated
Send the pusher for being detachably provided with pushing the bone grafting filler on pipe by a connection piece.
2. bone grafting instrument according to claim 1, it is characterised in that the pusher includes being arranged in the delivery pipe
Portion and the push rod assembled with delivery pipe movement, the front end of the push rod are fixedly installed piston, and the piston is described defeated
The limit point of pipe end is sent positioned at the rear side of described filler mouthful.
3. bone grafting instrument according to claim 2, it is characterised in that the connector includes being slidedly assemblied on the push rod
Lever lock, and the lever lock by interface arrangment clamping be assemblied in it is described conveying pipe end opening at.
4. bone grafting instrument according to claim 3, it is characterised in that the interface arrangment includes the front end axial direction of the lever lock
What is set is inserted in hole, and the hole of being inserted in coordinates with the conveying pipe end outer peripheral face coaxial package, in the hole wall for being inserted in hole
On, the locking slot of L-type is provided with by the front end face of the hole wall axially rearward, it is provided with the periphery wall of the delivery pipe and institute
State the card column that the locking slot of L-type is engaged by clamping.
5. the bone grafting instrument according to Claims 1 to 4 any claim, it is characterised in that the front end of the delivery pipe sets
It is equipped with centered on the center of delivery pipe front end face to contract and the block mechanism for expanding outwardly.
6. bone grafting instrument according to claim 5, it is characterised in that inner tube that the delivery pipe is arranged by co-axial seal and outer
Pipe composition, said inner tube and the outer tube rolling assembling, the lever lock are assemblied in said inner tube, and the block mechanism includes institute
The catch for being uniformly hinged setting on the front end face of inner tube along its circumferencial direction is stated, the middle part movement of the catch is hinged on outside described
On the front end face of pipe.
7. bone grafting instrument according to claim 6, it is characterised in that said inner tube is telescoping tube.
8. bone grafting instrument according to claim 7, it is characterised in that described filler mouthful is in up big and down small horn-like.
9. bone grafting instrument according to claim 8, it is characterised in that the axis of described filler mouthful and the axis of the delivery pipe
It is intersecting and at an acute angle to the angle the axis of described filler mouthful by the axis both clockwise of the delivery pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710205973.2A CN106821485B (en) | 2017-03-31 | 2017-03-31 | Bone grafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710205973.2A CN106821485B (en) | 2017-03-31 | 2017-03-31 | Bone grafting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106821485A true CN106821485A (en) | 2017-06-13 |
| CN106821485B CN106821485B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710205973.2A Active CN106821485B (en) | 2017-03-31 | 2017-03-31 | Bone grafting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108703792A (en) * | 2018-08-01 | 2018-10-26 | 北京市春立正达医疗器械股份有限公司 | Myelocavity file |
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| CN203303128U (en) * | 2013-05-17 | 2013-11-27 | 中南大学湘雅医院 | Bone grafting instrument |
| CN103637842A (en) * | 2013-12-12 | 2014-03-19 | 宁波华科润生物科技有限公司 | Implantation system for bone implants |
| US20160302837A1 (en) * | 2013-12-12 | 2016-10-20 | Ningbo Hicren Biotechnology Co., Ltd. | Bone Filler Implanting System |
| CN106333739A (en) * | 2016-09-26 | 2017-01-18 | 中国医学科学院北京协和医院 | Orthopaedic device used for injection implanting of material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108703792A (en) * | 2018-08-01 | 2018-10-26 | 北京市春立正达医疗器械股份有限公司 | Myelocavity file |
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| CN106821485B (en) | 2023-05-26 |
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