CN109363806A - A kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture - Google Patents
A kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture Download PDFInfo
- Publication number
- CN109363806A CN109363806A CN201811511301.5A CN201811511301A CN109363806A CN 109363806 A CN109363806 A CN 109363806A CN 201811511301 A CN201811511301 A CN 201811511301A CN 109363806 A CN109363806 A CN 109363806A
- Authority
- CN
- China
- Prior art keywords
- bone
- bone grafting
- tibial plateau
- compression fracture
- diameter pipe
- 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
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
Abstract
The present invention provides a kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture, including guide-localization part, for materials and parts and packing element；The guide-localization part is made of one piece by guide sleeve and locator, and described to be made of one piece for materials and parts by equal diameter pipe and aggregate container, the packing element tamps hammer by push-and-pull inner core and aggregate and is made of one piece.Novel particle bone bone grafting instrument designed by the present invention is simple in sturcture, ingenious in design, when bone grafting for tibial plateau compression fracture, precise positioning before can be realized bone grafting guarantees bone grafting safety, simplifies, efficiently, greatly shortens operating time, amount of bleeding is reduced, infection risk is reduced.
Description
Technical field
The invention belongs to Orthopedic operation assist device tool technical fields, are related to a kind of bone grafting instrument, and in particular to one kind is used for shin
The particulate cancellous bone bone grafting instrument of bone platform compression fracture.
Background technique
Bone grafting is that clinical orthopaedics doctor often uses operating technology, between filling bone defects or non-contacting independent sclerotin
Space promotes union or Bony union.Difference is acted on according to bone grafting, bulk sclerotin bone grafting can be selected, i.e., usually said
Structural bone graft.Another bone grafting mode be graininess bone grafting, be used for filling bone defects, rebuild support function, by osteoacusis,
Self-bone grafting and ostosis effect, realize union or Bony union.
Tibial plateau compression fracture is common classification of fracture, generally requires to carry out particulate cancellous bone plant in surgical procedure
Bone filling bone defects reach to collapsing the support purpose of articular surface, while playing self-bone grafting, osteoacusis, ostosis effect, promote
Union.
Graininess bone grafting is at present frequently with hand operation (tweezers clamping) or simple bone grafting device, and single bone grafting amount is small, i.e.,
Using simple bone grafting device, there is also single loading is small, need to fill repeatedly, therefore, bone grafting operating process repeats, and causes
Operating time extends, and amount of bleeding increases, and infection risk increases, and is easy to appear particulate cancellous bone and drops to around important feature, out
Now compressing, excitation, abrasion symptom, or cause the complication such as ectopic ossification.Although there are many bone grafting apparatus at present, can not expire
The safe and efficient clinical needs of foot.
Existing bone grafting means are utilized since bone grafting site location is very hidden for compression fracture on rear side of tibial plateau
Bone grafting is carried out with bone grafting equipment, is unfavorable for being positioned during bone grafting, causes bone grafting to deviate bone defect region, at this point, not only
It wastes valuable bone-grafting material and support, self-bone grafting, osteoacusis is not achieved more importantly defective region can not effectively be filled
And the effect of ostosis, to bring adverse effect during later period sclerotin healing.
Summary of the invention
It is a kind of flat for shin bone technical problem to be solved by the present invention lies in view of the above shortcomings of the prior art, providing
The particulate cancellous bone bone grafting instrument of platform compression fracture, the bone grafting instrument is simple in sturcture, ingenious in design, conducive to being positioned during bone grafting,
Can precisely for bone grafting in bone defect region, bone grafting process safety, simplification, efficiently so as to shorten operating time, reduce amount of bleeding,
Reduce infection risk.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: one kind being used for tibial plateau compression fracture
Particulate cancellous bone bone grafting instrument, which is characterized in that including guide-localization part, for materials and parts and packing element；
The guide-localization part is made of one piece by guide sleeve and locator, the tail end of the locator and guide sleeve
Outer wall connection, the top of the locator is on the axis extended line of guide sleeve；
Described to be made of one piece for materials and parts by equal diameter pipe and aggregate container, the equal diameter pipe can adaptedly be sleeved on guiding
In casing, the aggregate entrance being connected with aggregate container is offered on the side wall of the equal diameter pipe；
The packing element is by push-and-pull inner core and tamps hammer and is made of one piece, and the push-and-pull inner core can push and pull past in equal diameter pipe
Multiple, the tail end of the push-and-pull inner core is connected with hammer is tamped.
A kind of above-mentioned particulate cancellous bone bone grafting instrument for tibial plateau compression fracture, which is characterized in that the locator
60 degree ~ 90 degree of angle is kept to be welded by the thin rod that two root long degree are 5cm ~ 10cm.
A kind of above-mentioned particulate cancellous bone bone grafting instrument for tibial plateau compression fracture, which is characterized in that the equal diameter pipe
Outer diameter be 8mm ~ 10mm, wall thickness be 0.5mm ~ 1mm.
Above-mentioned a kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture, which is characterized in that the aggregate is contained
Dress device is the funnel that a section is in inverted trapezoidal.
Compared with the prior art, the present invention has the following advantages:
1, the present invention can be realized to bone grafting position precise positioning, bone grafting, avoids particulate matter and drops to around important feature,
To reduce the particulate cancellous bone compressing that occurs falling off, excitation, the risk for wearing structures surrounding.Moreover, the bone grafting instrument only needs one
Particulate cancellous bone aggregate is filled in aggregate container by secondary property, is completed aggregate using the extraction and push-in movement that push push-and-pull inner core and is filled out
Fill lumen, impaction bone grafting operation, it is time saving and energy saving, can effectively reach shorten operating time, reduce bleeding, reduce infection risk,
Reduce the purpose of medical expense.
2, existing bone grafting hand is utilized since bone grafting site location is very hidden for compression fracture on rear side of tibial plateau
Section and bone grafting equipment carry out bone grafting, are unfavorable for being positioned during bone grafting, cause bone grafting to deviate bone defect region, at this point, not
Valuable bone-grafting material is only wasted, more importantly defective region can not effectively be filled, support, self-bone grafting, bone biography is not achieved
It leads and the effect of ostosis, to bring adverse effect during later period sclerotin healing.In response to this, we are in the present invention
Guide-localization part is devised, guide-localization part is made of one piece by guide sleeve and locator, and designed by the present invention
The top of locator is just fallen on the axis extended line of guide sleeve, so that in guide sleeve after the equal diameter pipe of suit, Neng Goushi
It is now accurately oriented to and positions, to guarantee the precise positioning and bone grafting at bone defect position.
3, the present invention is used for the particulate cancellous bone bone grafting instrument of tibial plateau compression fracture, simple in sturcture, ingenious in design, can make
Bone grafting process safety, simplification, efficiently, so as to shorten operating time, reduce amount of bleeding, reduce infection risk.
Invention is further described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for the particulate cancellous bone bone grafting instrument of tibial plateau compression fracture.
Fig. 2 is the structural schematic diagram of guide-localization part of the present invention.
Fig. 3 is structural schematic diagram of the present invention for materials and parts.
Fig. 4 is the structural schematic diagram of packing element of the present invention.
Fig. 5 is use of the particulate cancellous bone bone grafting instrument of the present invention during the bone grafting of tibial plateau compression fracture operative treatment
Status diagram.
Specific embodiment
As shown in Figure 1, particulate cancellous bone bone grafting instrument of the present invention includes guide-localization part, for three components of materials and parts and packing element；
Component one, guide-localization part (as depicted in figs. 1 and 2): being made of one piece by guide sleeve 1-1 and locator 1-2, institute
The tail end for stating locator 1-2 is connect with the outer wall of guide sleeve 1-1, the axis of the top of the locator 1-2 in guide sleeve 1-1
On line extended line；
Component two, for materials and parts (as shown in figures 1 and 3): be made of one piece by equal diameter pipe 2-1 and aggregate container 2-2, it is described
Equal diameter pipe 2-1 can be adaptedly sleeved in guide sleeve 1-1, offered on the side wall of the equal diameter pipe 2-1 and contained with aggregate
The aggregate entrance that device 2-2 is connected；
Component three, packing element (as shown in Figure 1 and Figure 4): being made of one piece by push-and-pull inner core 3-1 with hammer 3-2 is tamped, described to push away
Draw inner core 3-1 that can push and pull in equal diameter pipe 2-1 back and forth, the tail end of the push-and-pull inner core 3-1 tamps hammer 3-2 with aggregate and connect.
The locator 1-2 is welded by the thin rod that two root long degree are 5cm ~ 10cm as a preferred technical solution, is welded
60 degree ~ 90 degree of angle is kept after connecing between two thin rods.Specific length and special angle can be more accurate realize it is accurate fixed
Position and guiding, for precisely bone grafting is ready in next step.The material of thin rod, can medical, indeformable hard material without particular/special requirement
Material.The thinner the diameter of thin rod the better under the premise of indeformable also without particular/special requirement, actually can using diameter 3mm ~
The thin rod of 8mm.
The outer diameter of the equal diameter pipe 2-1 is 8mm ~ 10mm as a preferred technical solution, and wall thickness is 0.5mm ~ 1mm.Equal diameter
The material of pipe 2-1, can medical, indeformable hard material without particular/special requirement.
The aggregate container 2-2 is the funnel that a section is in inverted trapezoidal as a preferred technical solution,.
In conjunction with Fig. 1 to Fig. 5, the present invention introduces application method of the invention (in shin by taking femur platform particulate cancellous bone bone grafting as an example
During the particulate cancellous bone bone grafting of bone platform compression fracture operative treatment, the positional relationship of femur 4, shin bone 5 and bone defect position 6
As shown in Figure 5): firstly, equal diameter pipe 2-1 is sleeved in guide sleeve 1-1, then bone defect is goed deep into on the top of locator 1-2
Particulate cancellous bone aggregate is filled in aggregate container 2-2, then pull pushes away backward by position 6 after perspective carries out guiding and positioning
Inner core 3-1 is drawn, makes then to utilize bone under the partial particulate bone aggregate in aggregate container 2-2 in leakage to the lumen of equal diameter pipe 2-1
Material tamps hammer 3-2 and pushes push-and-pull inner core 3-1 forward, pushes the equal intraluminal particulate cancellous bone aggregate of diameter pipe 2-1 to bone defect position 6,
Hammer 3-2 is tamped using aggregate later, by carrying out particulate cancellous bone bone of the movement for extracting and being pushed into push-and-pull inner core 3-1 out repeatedly to implantation
Material is tamped, and the implantation of first aggregate is achieved in.The implantation of more batches of aggregates is finally realized according to said method repetitive operation,
Complete bone grafting.
This bone grafting instrument in use, may be implemented to avoid particulate matter to the accurate bone grafting in bone grafting position and drop to
Around important feature, to reduce the particulate cancellous bone compressing that occurs falling off, excitation, the risk for wearing structures surrounding.Moreover, should
Bone grafting instrument only needs that disposably particulate cancellous bone aggregate is filled in aggregate container 2, utilizes the extraction and push-in for pushing push-and-pull inner core 4
Movement complete aggregate filling lumen, impaction bone grafting operation, it is time saving and energy saving, can effectively reach shorten operating time, reduce bleeding,
The purpose for reducing infection risk, reducing medical expense.
We are hidden for part bone grafting site location, such as fracture on rear side of tibial plateau, be unfavorable for during bone grafting into
Row positioning, causes bone grafting to deviate bone defect region such case, we devise guide-localization part in the present invention, make locator
The top of 1-2 is just fallen on the axis extended line of guide sleeve 1-1, after guide sleeve 1-1 is set with equal diameter pipe 2-1, Neng Goushi
Now accurately guiding and positioning, to guarantee the accurate bone grafting at bone defect position.
To sum up, particulate cancellous bone bone grafting instrument of the present invention is simple in sturcture, ingenious in design, can make bone grafting process safety, simplification, height
Effect reduces amount of bleeding so as to shorten operating time, reduces infection risk.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way.It is all according to invention skill
Art any simple modification, change and equivalence change substantially to the above embodiments, still fall within technical solution of the present invention
Protection scope in.
Claims (4)
1. a kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture, which is characterized in that including guide-localization part, feed
Part and packing element；
The guide-localization part is made of one piece by guide sleeve (1-1) and locator (1-2), the locator (1-2)
Tail end is connect with the outer wall of guide sleeve (1-1), and the top of the locator (1-2) extends in the axis of guide sleeve (1-1)
On line；
Described to be made of one piece for materials and parts by equal diameter pipe (2-1) and aggregate container (2-2), the equal diameter pipe (2-1) can
It is adaptedly sleeved in guide sleeve (1-1), is offered on the side wall of the equal diameter pipe (2-1) and aggregate container (2-2) phase
The aggregate entrance of connection；
The packing element is by push-and-pull inner core (3-1) and tamps hammer (3-2) and is made of one piece, and the push-and-pull inner core (3-1) can
Push-and-pull is reciprocal in equal diameter pipe (2-1), and the tail end of push-and-pull inner core (3-1) is connect with hammer (3-2) is tamped.
2. a kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture according to claim 1, which is characterized in that
The locator (1-2) keeps 60 degree ~ 90 degree of angle to be welded by the thin rod that two root long degree are 5cm ~ 10cm.
3. a kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture according to claim 1, which is characterized in that
The outer diameter of the equal diameter pipe (2-1) is 8mm ~ 10mm, and wall thickness is 0.5mm ~ 1mm.
4. a kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture according to claim 1, which is characterized in that
The aggregate container (2-2) is the funnel that a section is in inverted trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511301.5A CN109363806A (en) | 2018-12-11 | 2018-12-11 | A kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811511301.5A CN109363806A (en) | 2018-12-11 | 2018-12-11 | A kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109363806A true CN109363806A (en) | 2019-02-22 |
Family
ID=65373191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811511301.5A Withdrawn CN109363806A (en) | 2018-12-11 | 2018-12-11 | A kind of particulate cancellous bone bone grafting instrument for tibial plateau compression fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109363806A (en) |
-
2018
- 2018-12-11 CN CN201811511301.5A patent/CN109363806A/en not_active Withdrawn
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190222 |
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| WW01 | Invention patent application withdrawn after publication |