CN209499878U - A kind of negative pressure suction type bone cement device for casting - Google Patents
A kind of negative pressure suction type bone cement device for casting Download PDFInfo
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- CN209499878U CN209499878U CN201822127819.0U CN201822127819U CN209499878U CN 209499878 U CN209499878 U CN 209499878U CN 201822127819 U CN201822127819 U CN 201822127819U CN 209499878 U CN209499878 U CN 209499878U
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- 239000002639 bone cement Substances 0.000 title claims abstract description 61
- 238000005266 casting Methods 0.000 title claims abstract description 14
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 48
- 239000007924 injection Substances 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 37
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 5
- 239000008280 blood Substances 0.000 abstract description 4
- 210000004369 blood Anatomy 0.000 abstract description 4
- 229940036811 bone meal Drugs 0.000 abstract description 4
- 239000002374 bone meal Substances 0.000 abstract description 4
- 210000005036 nerve Anatomy 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract 1
- 238000006467 substitution reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000010410 reperfusion Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model discloses a kind of negative pressure suction type bone cement device for casting, include, inner cylinder, middle cylinder and outer cylinder, and inner cylinder is equipped with piston rod, and front end is equipped with inner needle tube；The side wall of middle cylinder is provided with exhaust tube connection vacuum evacuation device；Middle cylinder front end is equipped with outer needle tubing, and inner cylinder is fixed on inside middle cylinder, and inner needle tube is pierced by from outer needle tubing；Middle cylinder, which is sheathed on inside outer cylinder, forms removable frame.The utility model is by being arranged air, bone meal, watery blood and the clot that exhaust tube cooperates vacuum withdraw device to extract bone position to be repaired in middle cylinder side wall, make bone inner cavity form negative pressure to suck the bone cement in syringe, avoids pressure caused by because pushing piston rod that bone cement is made to ooze out from bone split seam due to cause the adverse consequences such as pressuring nerve.In addition also it is aided with and pulls structure and rotary drive structure to make middle cylinder that inner cylinder be driven to move backward manually, and bone cement is perfused in the motionless realization of push rod, plays supplementary function to negative pressure perfusion, can also play substitution effect not being available negative pressure method.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of bone cement device for casting and method for filling.
Background technique
When implementing bone surgery, for fixation, the interior fixation of unstable fracture etc. of joint prosthesis, it usually needs past
Bone cement is perfused in bone.Traditional bone cement syringe is all to use positive balancing gate pit bar to push bone cement to perfusion side
To movement, however, the mode of this front push piston bar will form biggish pressure, this pressure can make bone cement enter to
It is uncontrolled flowed after repairing bone inner cavity.Since general bone position to be repaired can all be made with subtle bone split in pressure
Under, bone cement is likely to ooze out along crack, so as to influence nervous system, generates serious consequence.In addition,
Position to be repaired generally first will first be opened with instrument brill when operation, can generate the substances such as bone meal, watery blood and clot, and these substances are used
General method is relatively difficult to clean out, and may flow to other positions and cause to infect.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of designs more rationally, reperfusion mode is more scientific, can prevent
Bone cement is along the crevicular exudate negative pressure suction type bone cement device for casting of bone split.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of negative pressure suction type bone cement filling
Dispensing device, it is characterised in that: include,
Inner cylinder, interior to be equipped with piston rod for storing bone cement, front end is equipped with inner needle tube, and three collectively forms bone cement
Final injection structure；
Middle cylinder, for vacuumizing to bone position to be repaired, side wall is provided with exhaust tube, is taken out by exhaust tube connection true
Empty device；Outer needle tubing is housed in the front end of middle cylinder, inner cylinder is fixed on inside middle cylinder, and inner needle tube is pierced by from outer needle tubing, inner cylinder
The gap for vacuumizing to bone position to be repaired is provided between middle cylinder and between inner needle tube and outer needle tubing；
Outer cylinder, is used to support middle cylinder, and middle cylinder, which is sheathed on inside outer cylinder, forms removable frame, outer needle tubing together with inner needle tube from
Outer cylinder front end is pierced by；
The inner cavity at bone position to be repaired is vacuumized by middle cylinder and outer needle tubing, the inner cavity is made to form negative pressure, is led to
Crossing suction function is inhaled into the bone cement inside inner cylinder in the inner cavity by inner needle tube.
Further, it is equipped with pull ring in the rear side of middle cylinder, exhaust tube is aligned with pull ring, in the posterior segment side wall of outer cylinder
It is equipped with guide groove, pull ring and exhaust tube are stretched out from guide groove, when remaining sub-fraction bone inner cavity is not perfused, Ke Yitong
Pulling pull ring is crossed, it is moved slowly backward along guide groove and injects bone cement, perfusion is sucked to negative pressure and forms supplement；Outside
The rear end lateral surface of cylinder is equipped with buckle, and fixed by snap to have a cover, the piston rod is connected and fixed with the cover, passes through cylinder
Lid makes piston rod form fixed motionless structure with the fixation of outer tube rear end.
Further, it is equipped in the inner face of cover with the hook bar hooked, card hole is equipped on the side wall of piston rod, passes through card
The hook of raker is clamped on the fixed structure that piston rod and cover are formed in card hole, and piston rod in filling process may be implemented in this way
Always motionless, bone cement will not be caused toward the pressure being pushed forward.
Further, it is equipped with rack gear and scale in the lateral surface of middle cylinder, rack gear is aligned with pull ring, and rack gear is embedded in outer cylinder side
Being formed in the guide groove of wall can slide back and forth structure；Rotation regulating mechanism is provided on outer cylinder, rotation regulating mechanism passes through outer
Snap ring on cylinder is stuck on outer tube side wall；Rotation regulating mechanism is docked with rack gear, is nibbled by control rotation regulating mechanism with rack gear
Merge cylinder in the realization of turn rotation regulating mechanism to move backwards, to complete the high-precision perfusion of decline bone cement, further
Perfusion is sucked to negative pressure and forms supplement.
Further, the rotation regulating mechanism includes circular ring cover, and circular ring cover is docked by the first half lids and the second half lids
It forms, is both equipped with button hole；In circular ring cover be equipped be in symmetrical pressing structure, include the first push button, second by
The inner surface of button part and two linkage blocks, the first push button and the second push button is equipped with the helicitic texture to match with rack gear；First
Push button and a linkage block are arranged side by side in the first half lids, and the second push button and another linkage block are arranged side by side in the second half lids
In, button in the first push button exposes from the button hole of the first half lids, and the button in the second push button is from the second half lids
Expose in button hole；The both ends of first push button and the second push button pass through screw connection respectively rotor, is equipped in the rotor
Spring, the hole that spring is each passed through linkage block both ends cover on the spring stack in the first half lids and the second half lids；First push button
Button be pressed in on its side by side linkage block, the button of the second push button be then pressed in in its own linkage block side by side；Pass through
The button for pressing two push buttons pushes the first push button and the second push button to move towards, and makes the screw thread of the two inner surface in
The rack gear engaging of cylinder, rotational circle ring cowling can push rack gear to move backwards at this time, move middle cylinder backwards with inner cylinder, thus will
In bone cement indentation bone in inner cylinder；After release button, under the elastic force effect of spring, by the first push button and the second button
Part is pushed towards the first half lids and the second half lids respectively, and drives corresponding linkage block reset.Adjusting machine is rotated by turn
The high-precision perfusion of bone cement may be implemented in structure, and the scale in cooperation on cylinder.
It further, further include having injection agitating device comprising have injection putter, piston and injection tube, in injection tube
Front end dress funnel forms the structure for injecting bone cement, and funnel is removed, and is used for toward injection tube front end insertion stirring rod formation
Stir the agitating device structure of bone cement.Stirring rod is also removed when needing bone cement injecting syringe, pushes injection putter
Bone cement can be injected in inner cylinder.
Further, one agitator arm is installed in the front end of stirring rod, agitator arm is inserted with the front end of stirring rod
Enter and forms stirring structure in injection tube；The rear end of stirring rod, which is provided with one, is convenient for finger to clasp the pulling buckle to pull stirring rod,
Pulling buckle forms cyclic structure, rotates agitator arm by pushing and pulling stirring rod, plays stirring action to the bone cement of injection tube.
Further, after stirring rod insertion injection tube, by the injection cover being arranged on stirring rod, water proof ring and waterproof ring cover
The front end for being fixed on injection tube together forms leakage-proof structure, wherein the front end of injection cover and injection tube is fixed, water proof ring will be stirred
It mixes bar and injects the gap seals between cover, water proof ring is fixed in injection cover by waterproof ring cover.
The utility model cooperates vacuum withdraw device to extract bone position to be repaired by the way that exhaust tube is arranged in middle cylinder side wall
Air, bone meal, watery blood and clot, can avoid above-mentioned substance after not only extracting and flow to other positions and cause to infect, while can also
So that position bone to be repaired inner cavity basically reaches vacuum environment, make the bone cement in syringe that can be inhaled into realization by negative pressure
Perfusion avoids pressure caused by because pushing piston rod from making bone cement after causing pressuring nerve etc. bad due to exudation in bone split seam
Fruit.In addition also it is aided with and pulls structure and rotary drive structure to make middle cylinder that inner cylinder be driven to move backward manually, and the motionless realization of push rod
Bone cement is perfused, supplementary function is played to negative pressure perfusion, can also rise and replace in the case where not being available negative pressure method perfusion certainly
Generation effect.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the utility model syringe；
Fig. 2 is the plane structure chart of the utility model syringe；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the longitudinal profile structure diagram of the utility model syringe；
Fig. 5 is the C-C cross-sectional view of Fig. 2；
Fig. 6 is the D-D cross-sectional view of Fig. 2；
Fig. 7 is the decomposition chart of the utility model syringe；
Fig. 8 is the decomposition chart of the utility model rotation regulating mechanism；
Fig. 9 is the three-dimensional structure diagram of the utility model injection device；
Figure 10 is the three-dimensional structure diagram of the utility model agitating device；
Figure 11 is the diagrammatic cross-section of the utility model agitating device；
Figure 12 is the decomposition chart that the utility model injects agitating device.
In figure, 1 is injection putter, and 2 be piston, and 3 be injection tube, and 4 be funnel, and 5 be agitator arm, and 6 be stirring rod, and 61 are
Pulling buckle, 7 be injection cover, and 8 be water proof ring, and 9 be waterproof ring cover, and 10 be cover, and 101 be hook bar, and 11 be piston rod, and 111 are
Card hole, 12 rotation regulating mechanisms, 13 be inner cylinder, and 14 be the first half lids, and 15 be linkage block, and 16 be the first push button, and 17 be spring,
18 be rotor, and 19 be screw, and 20 be the second push button, and 21 be the second half lids, and 22 be middle cylinder, and 221 be exhaust tube, and 222 be rack gear,
223 be pull ring, and 23 be outer cylinder, and 231 be guide groove, and 232 be snap ring, and 233 be buckle, and 24 be outer needle tubing, and 25 be inner needle tube, and 26 are
Button hole, 27 be spring stack.
Specific embodiment
In the present embodiment ,-Fig. 8, the negative pressure suction type bone cement device for casting include referring to Fig.1,
Inner cylinder 13, interior to be equipped with piston rod 11 for storing bone cement, front end is equipped with inner needle tube 25, and three collectively forms
The final injection structure of bone cement；
Middle cylinder 22, for vacuumizing to bone position to be repaired, side wall is provided with exhaust tube 221, passes through exhaust tube 221
It connects vacuum evacuation device (not shown)；Outer needle tubing 24 is housed in the front end of middle cylinder 22, inner cylinder 13 is fixed on middle 22 the inside of cylinder, and interior
Needle tubing 25(is longer than outer needle tubing 24) it is pierced by from outer needle tubing 24, between inner cylinder 13 and middle cylinder 22 and inner needle tube 25 and outer needle tubing 24
Between be provided with gap for vacuumizing to bone position to be repaired；
Outer cylinder 23 is used to support middle cylinder 22, and middle cylinder 22, which is sheathed on inside outer cylinder 23, forms removable frame, and outer needle tubing 24 connects
It is pierced by with inner needle tube 24 from 23 front end of outer cylinder；
The inner cavity at bone position to be repaired is vacuumized by middle cylinder 22 and outer needle tubing 24, forms the inner cavity negative
Pressure is inhaled into the bone cement of 13 the inside of inner cylinder in the inner cavity by inner needle tube 24 by suction function.
It is equipped with pull ring 223 in the rear side of middle cylinder 22, exhaust tube 221 is aligned with pull ring 223, in the posterior segment of outer cylinder 23
Side wall is equipped with guide groove 231, and pull ring 223 and exhaust tube 221 are stretched out from guide groove 231, when in remaining sub-fraction bone
When chamber is not perfused, it can be made to inject bone cement along the slow movement backward of guide groove 231, to negative by pulling pull ring 223
Pressure sucking perfusion forms supplement；It is equipped with buckle 233 in the rear end lateral surface of outer cylinder 23, a cover 10 is fixed with by buckle 233,
Piston rod 11 is connected and fixed with the cover 10, and being fixed by cover 10 with 23 rear end of outer cylinder makes piston rod 11 form the motionless of fixation
Structure.
It is equipped in the inner face of cover 10 with the hook bar 101 hooked, card hole 111 is equipped on the side wall of piston rod 11, is passed through
The hook of hook bar 101 is clamped on the fixed structure that piston rod 11 and cover 10 are formed in card hole 111, may be implemented to be perfused in this way
Piston rod 11 is motionless always in the process, will not cause to bone cement toward the pressure being pushed forward.
It is equipped with rack gear 222 and scale in the lateral surface of middle cylinder 22, rack gear 222 is aligned with pull ring 223, and rack gear 222 is embedded in
Being formed in the guide groove 231 of 23 side wall of outer cylinder can slide back and forth structure；It is provided with rotation regulating mechanism 12 on outer cylinder 23, rotates
Regulating mechanism 12 is stuck on 23 side wall of outer cylinder by the snap ring 232 on outer cylinder 23；Rotation regulating mechanism 12 is docked with rack gear 222,
It is engaged by control rotation regulating mechanism 12 with rack gear 222 and cylinder 22 moves backwards in the realization of turn rotation regulating mechanism 12, with
The high-precision perfusion for completing decline bone cement, further sucks perfusion to negative pressure and forms supplement.
The rotation regulating mechanism 12 includes circular ring cover, circular ring cover by the first half lids 14 and the second half docking of lid 21 and
At both equipped with button hole 26；Being equipped in circular ring cover is in symmetrical pressing structure, includes the first push button 16, second
The inner surface of push button 20 and two linkage blocks 15, the first push button 16 and the second push button 20, which is equipped with, to match with rack gear 222
Helicitic texture；First push button 16 and a linkage block 15 are arranged side by side in the first half lids 14, the second push button 20 with it is another
Motion block 14 is arranged side by side in the second half lids 21, and the button in the first push button 16 reveals from the button hole 26 of the first half lids 14
Out, the button in the second push button 20 exposes from the button hole 26 of the second half lids 21；First push button 16 and the second push button
20 both ends pass through screw 19 respectively and are connected with rotor 18, and spring 17 is equipped in rotor 18, and spring 17 is each passed through linkage block
The hole at 15 both ends covers on the spring stack 27 in the first half lids 14 and the second half lids 21；The button of first push button 16 is pressed in and it
Side by side in linkage block 15, the button of the second push button 20 be then pressed in in its own linkage block 15 side by side；It is pressed by pressing two
The button of button part pushes the first push button 16 and the second push button 20 to move towards, and makes the screw thread and middle cylinder 22 of the two inner surface
Rack gear 222 engage, rotational circle ring cowling can push rack gear 222 to move backwards at this time, make middle cylinder 22 with inner cylinder 13 towards moving back
It is dynamic, thus by the bone cement indentation bone in inner cylinder 13；After release button, under the elastic force effect of spring 17, first is pressed
Button part 16 and the second push button 20 are pushed towards the first half lids 14 and the second half lids 21 respectively, and drive corresponding linkage block 15
It resets.By turn rotation regulating mechanism 12, and the scale in cooperation on cylinder 22, the high-precision that bone cement may be implemented are perfused.
For example, default will inject 4ML bone cement, then pull pull ring 223 that mark line is made to reach corresponding scale, but if because dosage is smaller logical
Crossing the mode pulled, also inconvenient precise manipulation stops drag and pushes down button then when mark line reaches corresponding scale fastly, this
When entire rotation regulating mechanism 12 can contact with the rack gear on middle 22 side wall of cylinder and fix middle cylinder 22 and outer cylinder 23 and make it not
It can continue to move to.Then turn rotation regulating mechanism 12, then inner cylinder 13 can be moved back slowly, thus can accurately control perfusion
Amount.
It further include having injection agitating device referring to Fig. 9-Figure 12 comprising there are injection putter 1, piston 2 and injection tube 3,
3 front end of injection tube dress funnel 4 forms the structure for injecting bone cement, and funnel 4 is removed, toward the insertion stirring of 3 front end of injection tube
Bar 6 forms the agitating device structure for stirring bone cement.Stirring rod 6 is also removed when needing bone cement injecting syringe,
Push injection putter 1 that can inject bone cement in inner cylinder 13.
One agitator arm 5 is installed in the front end of stirring rod 6, agitator arm 5 is inserted into injection with the front end of stirring rod 6
Stirring structure is formed in cylinder 3；The rear end of stirring rod 6, which is provided with one, is convenient for finger to clasp the pulling buckle 61 to pull stirring rod, draws
Button 61 forms cyclic structure, rotates agitator arm 5 by pushing and pulling stirring rod 6, plays stirring to the bone cement in injection tube 3 and make
With.
After stirring rod 6 is inserted into injection tube 3, by the injection cover 7 being arranged on stirring rod 6, water proof ring 8 and waterproof ring cover 9 one
The front end formation leakage-proof structure for being fixed on injection tube 3 is acted, wherein injection cover 7 and the front end of injection tube 3 are fixed, water proof ring 8 will
Water proof ring 8 is fixed in injection cover 7 by the gap seals between stirring rod 6 and injection cover 7, waterproof ring cover 9.
Needle tubing for vacuumizing is outer needle tubing 24, and the needle tubing for bone cement to be perfused is inner needle tube 25, and inner needle tube 25 is small
In outer needle tubing 24, just longer than outer needle tubing 24, inner needle tube 25 is passed through from outer needle tubing 24, has airflow clearance between the two, outside
Needle tubing 24 vacuumize when, bone inner cavity formed negative pressure bone cement is sucked by inner needle tube 25.It, can also while vacuumizing
To take the air at bone position to be repaired, bone meal, watery blood and clot etc. away, prevents above-mentioned substance from flowing to other positions and cause to feel
Dye.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this
In utility model covering scope.
Claims (8)
1. a kind of negative pressure suction type bone cement device for casting, it is characterised in that: include,
Inner cylinder, interior to be equipped with piston rod for storing bone cement, front end is equipped with inner needle tube, and three collectively forms bone cement most
Whole injection structure；
Middle cylinder, for vacuumizing to bone position to be repaired, side wall is provided with exhaust tube, connects vacuum means by exhaust tube
It sets；Outer needle tubing is housed in the front end of middle cylinder, inner cylinder is fixed on inside middle cylinder, and inner needle tube is pierced by from outer needle tubing, and inner cylinder is in
The gap for vacuumizing to bone position to be repaired is provided between cylinder and between inner needle tube and outer needle tubing；
Outer cylinder, is used to support middle cylinder, and middle cylinder, which is sheathed on inside outer cylinder, forms removable frame, and outer needle tubing is together with inner needle tube from outer cylinder
Front end is pierced by.
2. negative pressure suction type bone cement device for casting according to claim 1, it is characterised in that: in the rear side of middle cylinder
Equipped with pull ring, guide groove is equipped on the posterior segment side wall of outer cylinder, pull ring and exhaust tube are stretched out from guide groove；After outer cylinder
Lateral surface is held to be equipped with buckle, fixed by snap to have a cover, the piston rod is connected and fixed with the cover, by cover and outside
Tube rear end fixation makes piston rod form fixed motionless structure.
3. negative pressure suction type bone cement device for casting according to claim 2, it is characterised in that: be equipped in the inner face of cover
With the hook bar hooked, it is equipped with card hole on the side wall of piston rod, is clamped in card hole by the hook of hook bar and forms piston rod
With the fixed structure of cover.
4. negative pressure suction type bone cement device for casting according to claim 3, it is characterised in that: set in the lateral surface of middle cylinder
There are rack gear and scale, rack gear is aligned with pull ring, and rack gear, which is embedded in be formed in the guide groove of outer tube side wall, can slide back and forth structure；?
Rotation regulating mechanism is provided on outer cylinder, rotation regulating mechanism is stuck on outer tube side wall by the snap ring on outer cylinder；Rotation is adjusted
Mechanism is docked with rack gear, is engaged with rack by control rotation regulating mechanism and cylinder court moves back in the realization of turn rotation regulating mechanism
It is dynamic.
5. negative pressure suction type bone cement device for casting according to claim 4, it is characterised in that: the rotation regulating mechanism
It include circular ring cover, circular ring cover is docked by the first half lids and the second half lids, is both equipped with button hole；It is set in circular ring cover
Have in symmetrical pressing structure, includes the first push button, the second push button and two linkage blocks, the first push button and the second button
The inner surface of part is equipped with the helicitic texture to match with rack gear；First push button and a linkage block are arranged side by side in the first half lids
In, the second push button and another linkage block are arranged side by side in the second half lids, and the button in the first push button is from the first half lids
Expose in button hole, the button in the second push button exposes from the button hole of the second half lids；First push button and the second button
The both ends of part pass through screw connection respectively rotor, is equipped with spring in the rotor, and spring is each passed through the hole set at linkage block both ends
On the spring stack in the first half lids and the second half lids；The button of first push button is pressed in on its side by side linkage block, and second presses
The button of button part be then pressed in in its own linkage block side by side；By press two push buttons button push the first push button and
Second push button moves towards, and engages the screw thread of the two inner surface with the rack gear of middle cylinder, rotational circle ring cowling can push away at this time
Carry-over bar moves backwards, moves middle cylinder backwards with inner cylinder, thus by the bone cement indentation bone in inner cylinder；Release button
Afterwards, under the elastic force effect of spring, the first push button and the second push button are pushed towards the first half lids and the second half lids respectively, and
Drive corresponding linkage block reset.
6. negative pressure suction type bone cement device for casting according to claim 5, it is characterised in that: further include thering is injection to stir
Device comprising have injection putter, piston and injection tube, dress funnel forms the knot for injecting bone cement in injection tube front end
Structure, in injection tube front end, insertion stirring rod forms the agitating device structure for stirring bone cement.
7. negative pressure suction type bone cement device for casting according to claim 6, it is characterised in that: pacify in the front end of stirring rod
Equipped with an agitator arm, agitator arm is inserted into injection tube with the front end of stirring rod and forms stirring structure；In stirring rod
Rear end is provided with one and finger is convenient for clasp the pulling buckle to pull stirring rod, and pulling buckle forms cyclic structure.
8. negative pressure suction type bone cement device for casting according to claim 4, it is characterised in that: stirring rod is inserted into injection tube
Afterwards, the front end that the injection cover, water proof ring and the waterproof ring cover that are arranged on stirring rod are fixed on injection tube together is formed into anti-drain junction
Structure, wherein the front end of injection cover and injection tube is fixed, water proof ring is by stirring rod and injects the gap seals between cover, waterproof
Water proof ring is fixed in injection cover by ring cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822127819.0U CN209499878U (en) | 2018-12-18 | 2018-12-18 | A kind of negative pressure suction type bone cement device for casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822127819.0U CN209499878U (en) | 2018-12-18 | 2018-12-18 | A kind of negative pressure suction type bone cement device for casting |
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| CN209499878U true CN209499878U (en) | 2019-10-18 |
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| CN201822127819.0U Active CN209499878U (en) | 2018-12-18 | 2018-12-18 | A kind of negative pressure suction type bone cement device for casting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363762A (en) * | 2018-12-18 | 2019-02-22 | 艾科美医疗器械（深圳）有限公司 | A kind of negative pressure suction type bone cement device for casting and method for filling |
| CN112386327A (en) * | 2020-11-13 | 2021-02-23 | 毕建平 | Fracture fixing system adopting negative pressure environment and bone cement single-hole injection and working method |
-
2018
- 2018-12-18 CN CN201822127819.0U patent/CN209499878U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363762A (en) * | 2018-12-18 | 2019-02-22 | 艾科美医疗器械（深圳）有限公司 | A kind of negative pressure suction type bone cement device for casting and method for filling |
| WO2020125605A1 (en) * | 2018-12-18 | 2020-06-25 | 艾科美医疗器械（深圳）有限公司 | Negative pressure suction-type bone cement injection device and injection method |
| CN112386327A (en) * | 2020-11-13 | 2021-02-23 | 毕建平 | Fracture fixing system adopting negative pressure environment and bone cement single-hole injection and working method |
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