CN109745151A - Inject the connection unit of bone filler - Google Patents
Inject the connection unit of bone filler Download PDFInfo
- Publication number
- CN109745151A CN109745151A CN201811095329.5A CN201811095329A CN109745151A CN 109745151 A CN109745151 A CN 109745151A CN 201811095329 A CN201811095329 A CN 201811095329A CN 109745151 A CN109745151 A CN 109745151A
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- Prior art keywords
- connection unit
- syringe
- injection
- unit
- connection
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 57
- 239000000945 filler Substances 0.000 title claims abstract description 52
- 238000002347 injection Methods 0.000 claims abstract description 94
- 239000007924 injection Substances 0.000 claims abstract description 94
- 239000011159 matrix material Substances 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010010214 Compression fracture Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 201000011066 hemangioma Diseases 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010255 intramuscular injection Methods 0.000 description 1
- 239000007927 intramuscular injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 210000001032 spinal nerve Anatomy 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of connection unit for injecting bone filler, for the injection port for being connected to a syringe, to connect syringe and an implanted device.Bone filler can only contact replaceable or jettisonable syringe and connection unit whereby, therefore injection aid can be reused will not influence injection effect, and can reach at lower cost, quickly that mode carries out multiple injection in art.
Description
Technical field
The present invention relates to a kind of connection units of injection, refer in particular to a kind of connection unit for injecting bone filler.
Background technique
Since the late 20th century is using the patient of bone cement treatment vertebral hemangioma pain, bone filler is for orthopaedics
The importance of the utilization for the treatment of increasingly hurriedly increases, and especially it applies to vertebrae support and centrum molding to avoid spinal nerve
The treatment method being subjected to oppression can even more replace based on traditional neural decompression operation or merge the fixed operation of traditional vertebra and solve mind
Mode through oppressing, not only the acceptance of sufferer is higher and higher, such therapeutic modality more have been widely used for various primary and
The treatment of compression fracture caused by secondary hair property osteoporosis, to enhance spinal stabilization.In addition, one caused by due to aging
As property fracture it is also applicable.
In order to which bone filler to be smoothly placed in impaired centrum, the device and related accessory, instrument of bone filler are injected
Play the part of considerable role, suitable device accessory can be improved the stability of performer's charge velocity, force degree of convenience,
The convenience of recycling, avoid material excessive and with other instruments collocation fitness, all with operation difficulty have it is close not
The relationship that can divide also influences the achievement of operation indirectly.
Syringe of the bone filler injector generally used at present based on injection needle tube.Though the syringe is being injected
It mouthful arranges in pairs or groups special injection needle, but is substantially still common vein syringe, be not directed to and implanted device, that is,
Vertebra bone nail, make collocation property design, therefore in the past performer during injection, Chang Fasheng bone filler from syringe with
Implanted device group connects the excessive problem of place.Although part performer has found that lesser syringe can be accommodated in implanted device
It is interior, and reduce the excessive problem of bone filler, but the problem of being caused using small syringe, becomes operating time extension, suffers from
The dose of radiation that person and performer add up also greatly increases.
Summary of the invention
The main object of the present invention is to provide a kind of connection unit for injecting bone filler, is connected to a syringe
Injection port, to connect syringe and an implanted device.Syringe can be made closely to tie with implanted device by this connection unit
It closes, even if the excessive problem of bone filler can also be effectively reduced in the pressure increase of joint in injection process.
In one embodiment of this invention, connection unit has a group connecting part, a matrix part and a discharging portion.Matrix part
Between group connecting part and discharging portion.Group connecting part is connected to the injection port of syringe, and matrix part is placed in implanted device, and discharges
Portion exports bone filler to implanted device.
In one embodiment of this invention, the group connecting part of connection unit has an external screw thread, to fill with an injection auxiliary
The screw-internal thread fit set.In an alternative embodiment of the invention, the group connecting part of connection unit have an at least flange, to this
The injection port of syringe engages.
Secondary objective of the invention, connection unit can be used together with unification injection aid.By connection unit
The mode removably connecting with injection aid reduces bone filler and solidifies the influence to injection, especially uses every time
Remaining bone filler solidifies the influence to injection afterwards, is also conducive to the convenience for continuing to use or repeatedly count.
Another object of the present invention, in injection process, bone filler can only contact replaceable or jettisonable injection
Device and connection unit, therefore injection aid can be reused will not influence injection effect, and can be reached with lower
Cost, quick mode carry out multiple injection in art.
In one embodiment of this invention, injection aid will exert a force by the cooperation of rotation forces unit and barrel
The rotary motion of generation is converted to the linear motion pushed to syringe, is for a kind of more stable and easily controlled force side
Formula, when especially bone filler gradually solidifies and needs larger force.
In one embodiment of this invention, when pushing syringe, spinning momentum will not be transferred to by rotation forces unit
Syringe avoids the piston unit of syringe because bearing torsion due to damage rupture, and maintains the uniformity of force.
To achieve the above object, present invention discloses a kind of injection aids of bone filler, with an injection
Device cooperation.Injection aid includes an outer tube.Wherein, outer tube includes a connection end of front end, an internal accommodating
One opening in space and rear end.Syringe is placed in accommodating space by opening.In addition, connection unit is removably connected to
End is connected, and is connected to syringe, therefore is easy to happen the connection unit of bone filler residual and solidification by replacement
Residue or solidification part are reduced for lasting use or nonexpondable influence.
In one embodiment of the invention, also discloses the injection aid and further include a barrel and a rotation forces list
Member.Barrel has an inner space.Barrel is removably connected to the rear end of outer tube.Syringe include one filling unit with
An and piston unit.Filling unit is substantially placed in accommodating space, and piston unit is substantially placed in inside before injection
Space.Rotation forces unit includes a rotation section and a pushing part, and rotation forces unit is screwed together on barrel, and pushing part is placed in
Inner space, and after piston unit, rotary motion portion can make pushing part move along a straight line in inner space.
In one embodiment of the invention, also discloses pushing part and do not rotated with rotation section when linear motion.
In one embodiment of the invention, also disclosing rotation section has an at least locating part, and pushing part has a clamping piece,
It is positioned in locating part insertion clamping piece.
In one embodiment of the invention, also disclosing barrel has a side opening, and locating part and clamping piece pass through side opening
Group connects.
In one embodiment of the invention, also disclosing rotation section has two stop rings, and pushing part has a clamping piece, blocking
Part, which is embedded, to be positioned between two stop rings.
In one embodiment of the invention, also disclose outer tube has one to extend interconnecting piece in opening side, and barrel penetrates group
It is connect together in interconnecting piece is extended with outer tube, and extending interconnecting piece, there is a groove to expose to outer tube to accommodate syringe
A part.
In one embodiment of the invention, also disclosing to extend on the inside of interconnecting piece has the spiral shell worked in coordination with the outside of barrel
Line.
In one embodiment of the invention, also disclosing outer tube has an observation opening.
In one embodiment of the invention, it is deserted for also disclosing connection unit.
In one embodiment of the invention, the one end for also disclosing connection unit connection connection end is placed in connection end
It is interior, and one end of syringe is placed in one end of connection unit.
In one embodiment of the invention, the outer wall for also disclosing connection unit has an engaging mechanism, fills with the implantation
Another engaging mechanism cooperation set.
In addition, the present invention more discloses a kind of injecting systems of bone filler, and it includes: a syringe；And one injection it is auxiliary
Help device.Injection aid includes: an outer tube, a connection end, an internal accommodating space and rear end comprising front end
An opening, the syringe by opening be placed in accommodating space；And a connection unit, removably it is connected to connecting pin
Portion, and be connected to syringe.
In one embodiment of the invention, also disclose the injection aid, further include: a barrel has inside one
Space, barrel are removably connected to the rear end of outer tube, and syringe includes a filling unit and a piston unit, filling
Unit is substantially placed in accommodating space, and the piston unit is substantially placed in inner space before injection；And one rotation
Pushing unit, it includes a rotation section and a pushing part, rotation forces unit is screwed together on barrel, and pushing part is placed in internal sky
Between, and after piston unit, rotary motion portion can make pushing part move along a straight line in inner space.
Detailed description of the invention
Fig. 1: it is the schematic diagram of the connection unit of one embodiment of the invention；
Fig. 2: it is schematic diagram of the connection unit shown in FIG. 1 in conjunction with syringe；
Fig. 3: its for connection unit shown in Fig. 2 in conjunction with syringe after, then the schematic diagram in conjunction with implanted device；
Fig. 4 A-4H: it is the external form schematic diagram of the connection unit of different embodiments of the invention；
Fig. 5: it is the side view of a preferred embodiment of the invention；
Fig. 6: it is the exploded side figure of a preferred embodiment of the invention；
Fig. 7 A and Fig. 7 B: it is the side view and drawing in side sectional elevation of the injection aid of a preferred embodiment of the invention；
Fig. 8: it is the injection aid side view of another preferred embodiment of the invention；
Fig. 9: it is the barrel side view of a preferred embodiment of the invention；
Figure 10: it is the pushing part side view of a preferred embodiment of the invention；
Figure 11 A and Figure 11 B: it is the different angle side view of the rotation section of a preferred embodiment of the invention；
Figure 12 A and 12B figure: it is the side view of the injection aid and barrel bonding state of a preferred embodiment of the invention
Figure；
Figure 13 A: it is the pushing part of a preferred embodiment of the invention and the side view of rotation section syntagmatic；
Figure 13 B: it is the pushing part of a preferred embodiment of the invention and the longitudinal section view of rotation section syntagmatic；
Figure 13 C: it is the pushing part of a preferred embodiment of the invention, the sectional elevation of rotation section and barrel syntagmatic；
Figure 14: it is the pushing part of another preferred embodiment of the invention, the sectional elevation of rotation section and barrel syntagmatic；
Figure 15 A: it is the pushing part of a preferred embodiment of the invention and the side view of barrel；
Figure 15 B: it is the pushing part of a preferred embodiment of the invention and the sectional elevation of barrel；
Figure 16 A: it is the rotation section of a preferred embodiment of the invention, the side view of pushing part and barrel syntagmatic；And
Figure 16 B: it is the rotation section of a preferred embodiment of the invention, the sectional elevation of pushing part and barrel syntagmatic.
[figure number is to as directed]
1 bone filler injection device
10 outer tubes
11 connection ends
111 internal screw threads
12 accommodating spaces
13 open rearward ends
14 engaging mechanisms
15 observation openings
20 connection units
21 group connecting parts
211 external screw threads
212 flanges
22 matrix parts
221 matrixes cut portion
22A matrix tapered portion
22B matrix our department
23 discharging portions
24 discharge pipes
30 extend interconnecting piece
40 barrels
41 interconnecting pieces
42 inner spaces
43 side openings
44 barrel screw threads
50 rotation forces units
60 pushing parts
61 clamping pieces
62 push face
70 rotation sections
71 rotation section screw threads
72 grooves
73 locating parts
74 longitudinal grooves
75 locating parts
A injection aid
J syringe
J1 injection port
J2 piston unit
P implanted device
P1 accommodating unit
P2 fixed cell
P21 window
P3 conduit
The U-shaped head of P4
Specific embodiment
In order to make structure feature of the invention and it is reached the effect of have a better understanding and awareness, spy is with preferable
Embodiment and cooperation detailed description, are described as follows:
Schema Fig. 1 to 4H figure of the present invention is please referred to, Fig. 1 is the schematic diagram of the connection unit of one embodiment of the invention, Fig. 2
For schematic diagram of the connection unit shown in FIG. 1 in conjunction with syringe, Fig. 3 be connection unit shown in Fig. 2 in conjunction with syringe after,
Schematic diagram in conjunction with implanted device again, the external form signal of 4A figure to the connection unit that 4H figure is different embodiments of the invention
Figure.In the present embodiment, connection unit 20 is the structure of small-sized and outer likeness in form tubulose.One connection unit 20 includes a group connecting part
21, a matrix part 22 and a discharging portion 23, wherein the matrix part 22 is located between the group connecting part 21 and the discharging portion 23,
And there is the matrix part 22 matrix to cut portion 221, and 22 previous section of matrix part is connect with the discharging portion 23, and tool in three
There is a discharge pipe 24 (as shown in Figure 1) of a connection.It please also refer to Fig. 2, which is located at the connection unit 20
Rear end (direction is as shown, similarly hereinafter) connects for the injection port J1 group with a syringe J.Group connecting part 21 is the side to be arranged
Formula connects with syringe J group, be connected to the discharge pipe 24 being located in group connecting part 21 with injection port J1, allows the interior filling of syringe J
Bone filler can enter connection unit 20.Matrix part 22, which substantially includes at least, a tapered matrix tapered portion 22A, such as
Shown in Fig. 1, matrix tapered portion 22A is in tapered setting from the front to the back, and matrix part 22 is i.e. with the composition of matrix tapered portion 22A at this time
It is presented；In other embodiments, which is further integrally linked with a cylinder in the rear end matrix tapered portion 22A
Matrix our department 22B of tubulose, as shown in Fig. 2, matrix part 22 is with the structure of matrix tapered portion 22A connection matrix our department 22B at this time
At being presented, but not to be limited.In other embodiments of the present invention, matrix tapered portion 22 can be similar trapezoidal shape,
Replace cone or frustroconical (or being rotary table) shape, that is, an opposite two sides is for plane.This shape
Shape can further reduce the volume of tapered portion 22, and can more cooperate the configuration of the accommodating unit P1 of implanted device P, so that even
Order member 20 is easier to connect with implanted device P group.In addition, two sides are the configurations of plane convenient for users to applying to wrench
Power (refers to following theory for separating connection unit 20 and syringe J or connection unit 20 and the outer tube of engaging tension
It is bright).
Fig. 3 of the present invention is please referred to, which is located at the front end of the connection unit 20, for tying with implanted device P
It closes.In the present embodiment, implanted device P is vertebral screw, and has an accommodating unit P1, a fixed cell P2 and the appearance
One U-shaped P4 of the rear end unit P1 is set, accommodating unit P1 to fixed cell P2 has the conduit P3 of connection.When the connection unit 20
When in conjunction with implanted device P, which can stretch to fixed cell P2 by conduit P3, with allow bone filler by
The discharging portion 23 transports to fixed cell P2, enters affected part by at least window P21 on fixed cell P2 and enters affected part, should
Window P21 system is connected to conduit P3.It is big outer that the matrix part 22 after the discharging portion 23, which has compared with the discharging portion 23,
Diameter, but this outer diameter is that specially the dimensional fits with the accommodating unit P1 of implanted device P should when the two being caused to combine again
Matrix part 22 can be placed in accommodating unit P1.In an embodiment of the present invention, the matrix part 22 (matrix tapered portion 22A)
Implanted device P can be squeezed into through tapered outer diameter in the opening of accommodating unit P1 and the joint fixed cell P2, from
And the connection of syringe J Yu implanted device P are stabilized, and effectively reduce the gap of the two joint, to avoid infusing
It bone filler excessive and its is led to the problem of during penetrating.
Specifically, which can have slightly elastic plastic material and is made, such as polyether-ether-ketone (PEEK),
And the outer diameter of the matrix part 22 (tapered portion 22A) in one end close to the group connecting part 21 is about 8 centimeters, the matrix part 22 is (tapered
Portion 22A) outer diameter in one end close to the discharging portion 23 is between about 4 centimeters.In addition, in embodiments of the present invention, group connecting part
21 or the tapered configuration of outer diameter, that is, its outer diameter is tapered from one end close to matrix part 22 to the other end such as outer
Diameter is tapered to 4 centimeters by about 4.1 centimeters.Because above-mentioned tapered configuration can cooperate the size design of implanted device P, facilitate this
Connection unit 20 is combined closely implanted device P, though especially only 0.1 centimeter tapered of group connecting part 21, facilitates deeply
It combines in the nail of implanted device P and closely, makes between syringe J, the connection unit 20 and implanted device P three
Combination it is more stable, close, it is excessive that when injection, will not lead to the problem of material.
To cooperate different syringe J and implanted device P, the connection unit 20 of the invention that can have different
Configuration design.4A figure is please referred to, this is the connection unit 20 without threaded, and the group connecting part 21 has (direction back to front
The direction of injection) tapered internal-and external diameter, to cooperate/the injection head (Nozzle) of fitting injection needle tube equally (court back to front
To the direction of injection) tapered outer diameter, keep combination between the two more stable.4B figure is please referred to, this should for vane type
Connection unit 20 has to a two sides flange 212 outstanding, (such as to scheme with the syringe J collocation with female Luer
Shown in 2), it can equally reinforce the stability and compactness combined, prevent from loosening or leak.
4C to 4E figure is please referred to, Fig. 1,4A and 4B figure are respectively corresponded, only difference is, this type is somebody's turn to do
When the accommodating unit P1 that connection unit 20 is useful in implanted device P has longer side wall.Specifically, such as it is suitble to be somebody's turn to do
Before implanted device P is pedicle screws, and the U-shaped head P4 side wall not yet fractures.Because this discharging portion 23 has enough
Length can achieve fixed cell P2.
4F to 4H figure is please referred to, Fig. 1,4A and 4B figure are respectively corresponded, only difference is, this type is somebody's turn to do
The accommodating unit P1 that connection unit 20 is useful in implanted device P has longer side wall or equipped with extension apparatus (non-schema)
When.Specifically, such as implanted device P is suitble to be minimally invasive operation on vertebra screw, side wall has compared with the U-shaped head P4 side wall
Longer length before not fractureing, or be that extension apparatus (non-schema) has been installed on side wall, cause the length of accommodating unit P1
Degree increases.Because this discharging portion 23 has longer length, can be to avoid curtailment to reach asking for fixed cell P2
Topic.
Past common injection system vein or intramuscular injection as are squeezed with pushing piston (plunger)
In bone filler injection target position (such as fracture affected part or centrum) in syringe body.However bone filler is in injection process
In can gradually solidify, lead to push that required strength is increasing, the syringe based on injection needle tube is because of big portion merely
It is divided into plastic part, it is difficult to bear biggish external force, also be unfavorable for the rate of stable force and control injection.
To improve this problem, it is to utilize the higher material of structural strength that someone, which designs bone filler injection device,
Make syringe body, or that syringe body is put into structural strength is higher and hold and be easier to force (usually to increase in a manner of caliber
Reach) sleeve, connect injection needle then at barrel forward end and implement.However, no matter above-mentioned any design all not can avoid bone
Filler directly contacts front end tube wall, i.e. syringe body or barrel forward end connect place with injection needle.It is empty because front end caliber is small
Between it is narrow, and by the reacted a period of time of the bone filler at this, so being easy to that bone filler solidification occurs at this
The case where, cause injection to meet with powerful resistance, or even occur to interrupt or stagnate.It is remaining at this even if injection can be smoothly completed
The inconvenience that bone filler will also result in subsequent cleaning and reuse, and then influence the quality and reuse ratio of operation.
Other than directly using the bone filler injecting method of syringe, also there is performer to use at present stronger using intensity
Material make syringe body, or by syringe body be put into structural strength it is higher and hold be easier to force (usually with increases manage
Diameter mode is reached) bone filler injection aid improve injection efficiency and effect, but due to existing injection auxiliary dress
Setting can not directly contact in which can avoid with bone filler, cause the part contacted with bone filler that bone filler solidification or residual occurs
It stays, leads to injection stagnation or subsequent cleaning and the inconvenience reused at this, therefore, present invention offer can be with connection
The injection aid of the novel bone filler of unit matching, with outer tube.Syringe can be placed in the appearance of outer tube
In emptying, and connection unit changeable type be connected to the connection end of outer tube, in this way, when utilizing connection list of the invention
When member and injection aid conveying bone filler, bone filler system is placed in syringe, then after the injection port for passing through syringe,
Implanted device is entered by connection unit, finally reaches affected part.Since syringe and connection unit are bone fillers in injection process
In be easy residual or solidification place, both replaceable mode can exclude known residual or solidification for continuous injection to transmission
Or the influence of multiple injection, and subsequent cleaning and again using more convenient, to promote practicability.
Component, property, a combination thereof based on above-mentioned policy, below for connection unit and injection aid of the invention
Mode and its mutual actuation relationship, are further detailed:
Please refer to schema Fig. 5 and Fig. 6 of the present invention, a preferred embodiment of connection unit and injection aid of the present invention
Side view and its exploded side figure, as shown, bone filler injection device 1 provided in this embodiment include one injection auxiliary
Device A and a connection unit 20, injection aid A include an outer tube 10, barrel 40 and rotation forces unit 50, are somebody's turn to do
Outer tube 10 includes a connection end 11 and an open rearward end 13 for front end (as shown in Fig. 6,7A).In addition, after the connection unit 20
It can have an external screw thread 211 on the outside of one group connecting part 21 at end, be one with the connection end 11 of injection aid A
Internal screw thread 111 matches (as shown in Figure 7 B), stablizes so that the two combines.Illustrate please refer to it is following illustrate injection auxiliary dress
The paragraph and Fig. 7 B set.And the periphery of the open rearward end 13 is then to be provided with an extension interconnecting piece 30；40 system of barrel penetrates
It is combined in the extension interconnecting piece 30 and is connect with the outer tube 10, which is hollow tubular structure and has an inner space
42,41 system of one interconnecting piece and the extension interconnecting piece 30 of the outer tube 10 (are such as spirally connected, are clamped to be removably connected with each other
Or socket etc.), the two sides of the barrel 40 are provided with symmetrical two side opening 43, and are arranged in the peripheral tube wall of those side openings 43
There is a barrel screw thread 44, after the barrel 40 is connect by the extension interconnecting piece 30 with the outer tube 10, then by the rotation
Pushing unit 50 is combined on the barrel 40.The rotation forces unit 50 includes a rotation section 70 and a pushing part 60, this is pushed away
Dynamic 60 system, portion is set to the inner space 42 of the barrel 40, and 70 system of rotation section is set to the outside of the barrel 40 and screws togather
In the barrel screw thread 44.
Then please refer to schema Fig. 7 A and Fig. 7 B of the present invention, be for a preferred embodiment of the invention connection unit and
The side view and drawing in side sectional elevation of injection aid, as shown, the outer tube 10 includes the connection end 11, inside middle
One accommodating space 12 (as shown in Figure 7 B) and the open rearward end 13, and there is the extension interconnecting piece 30 to be set to back segment opening 13
Periphery, by above-mentioned setting, the accommodating space 12 provided in this embodiment can place syringe J (the ginseng figure of corresponding size
2), and the position injection port J1 of syringe J can correspond to the inside for being placed in the connection end 11, and but not limited to this.It should
When connection end 11 is connect with the connection unit 20, which can be with the syringe J inside the accommodating space 12
Injection port J1 directly engage, the bone filler in syringe can directly be transferred to the connection unit 20 and be infused at this time
It penetrates.Due to the connection unit 20 be removably be connected to the connection end 11, and directly with the injection port J1 of syringe J
Connection avoids bone filler from remaining or freeze solidly on example so bone filler will not touch the inner wall of the outer tube 10 in principle
The problem of such as inner wall of the connection end 11 or the accommodating space 12.
It holds and continues above-mentioned content, in a preferred embodiment provided by the present invention, the connection end 11 and the connection list
The mode of 20 connection of member, can be to be spirally connected, being clamped or immediately close.
It is for the injection aid of another preferred embodiment of the invention further referring to schema Fig. 8 of the present invention
Side view, as shown, the present embodiment provided by the outer tube 10 can further in front end be provided with an engaging mechanism 14 and
Side is provided at least one observation opening 15.By the setting of the engaging mechanism 14, injection provided by the present embodiment can be made
Auxiliary device A further with U-shaped head P4 bone nail (a specific implementation aspect of implanted device i.e. of the invention) or its
There is the device of corresponding screw thread to be attached for he, to increase its application.In addition, the sight is arranged by the side of outer tube 10
Opening 15 is examined, the variation of volume readings on syringe can be observed by observation opening 15 during bone filler injects, with
Exact injected slurry volume in injection process is grasped, increases its order of accuarcy, improves the efficiency and success rate of operation.
Then, schema Fig. 9 of the present invention, Figure 10, Figure 11 A and Figure 11 B are please referred to, is barrel side view provided by the present invention
Figure, pushing part side view and rotation section different angle side view, as shown, the barrel 40 provided by the present embodiment can be into one
Step has following part, and the inner space 42 of the interconnecting piece 41, hollow tubular comprising front end is arranged in 40 side of barrel
Two symmetrical side openings 43 and the barrel screw thread 44 around the setting of the periphery of side opening 43.By above-mentioned design, the present embodiment
The provided barrel 40 can be connected with the extension interconnecting piece 30 and (such as be spirally connected) using the interconnecting piece 41 of front end, while hollow
The inner space 42 of tubulose can place a piston unit J2 (as shown in Figure 2) and the rotation forces unit of syringe J
50 pushing parts 60 for being included, the pushing part 60 provided by the present embodiment to the piston unit J2 of syringe J into
When row is pushed, the piston unit J2 of syringe J can be driven to carry out pusher to syringe J, the bone in syringe J is filled out
It fills object and is transferred to the connection unit 20 provided by the present embodiment via the injection port J1 of syringe J and injected, to reach
The purpose injected to bone filler.In addition, by 40 side of barrel two symmetrical side openings 43 and around side opening periphery
The barrel screw thread 44 setting, can use and accommodate a clamping piece 61 on the pushing part 60 in two symmetrical side openings 43, and
It is screwed together in the rotation section 70 on the barrel screw thread 44, makes to include the pushing part 60 and the rotation forces of the rotation section 70
Unit 50 is able to be loaded on the barrel 40.When the rotation section 70 follows the hand of spiral of the barrel screw thread 44 to be moved,
The piston unit J2 of syringe J will be squeezed with driving the pushing part 60 to move along a straight line, bone is filled out with reaching
Fill the purpose of object pusher.
It holds described in continuous upper section, the pushing part 60 provided by the present embodiment is contained in symmetrically arranged two clamping piece 61 in side
And one contacted with the piston unit J2 of syringe J pushes face 62.By above-mentioned design, this is pushed away provided by the present embodiment
Dynamic portion 60 can be fixed on the rotation section 70 by the two symmetrical side openings 43 that two clamping pieces 61 pass through 40 side of barrel, be made
The pushing part 60 is able to be moved along a straight line by the drive of the rotation section 70, in addition, the promotion face 62 can then correspond to the piston list
The configuration on first surface J2 is different and changes, while can be fully or partially contacted, and is only preferably the promotion face 62
The contact with the surface piston unit J2 needs symmetrically, such as the two is the plane being parallel to each other, and makes the pushing part 60 by this
The motoricity that rotation section 70 drives can be applied evenly on the piston unit J2 of syringe J, improve energy transmission
Efficiency and charge velocity stability.
It holds described in continuous upper section, the rotation section 70 provided by the present embodiment includes an internal rotation section screw thread 71, by
On the barrel screw thread 44 that the setting of the rotation section screw thread 71 can be such that the rotation section 70 is screwed together on the barrel 40, and it can follow
The hand of spiral of the barrel screw thread 44 is advanced and is retreated.When two clamping pieces 61 on the pushing part 60 resist the rotation section 70
Inside when, which, which follows the hand of spiral of the barrel screw thread 44 to be advanced and retreated, can drive the pushing part 60
Linear movement, squeezes the piston unit J2 of syringe J, to achieve the purpose that bone filler pusher.
In addition, the rotation section 70 further may include an external longitudinal ditch in a preferred embodiment of the invention
The end edge system connection (such as welding or other modes) of slot 74 and a groove 72 of inside, the rotation section 70 has a locating part 73.By
By the setting of the longitudinal groove 74, frictional force when user rotates the rotation section 70 can be improved, energy when reducing force disappears
Consumption, increases the degree of convenience of force.In addition, can be used to accommodate two on the pushing part 60 by the design of the internal groove 72
Clamping piece 61, thus when the rotation section 70 follow the barrel screw thread 44 direction carry out turn when, the pushing part 60 will not with
Rotation, and the clamping piece 61 of the pushing part 60 is also limited by the side opening 43 simultaneously, will so make the pushing part 60 be only with
Linear movement mode moves along a straight line with the axial displacement of the rotation section 70, drives this to push away to reach the turn of the rotation section 70
The target that dynamic portion 60 moves along a straight line.In addition, can avoid the pushing part 60 when actuation by gravity by the design of the locating part 73
And forward slip is deviate from, and the stability and accuracy for increasing bone filler injector operation are used.
It is that the injection of a preferred embodiment of the invention is auxiliary hereinafter, please referring to schema Figure 12 A and 12B figure of the present invention
The side view of device and barrel bonding state is helped, as shown, 40 front end of barrel provided by the present embodiment has the connection
Portion 41 further can removably be connect with the extension interconnecting piece 30, outer from this its object is to work as the barrel 40
When casing 10 unloads, the syringe inside the syringe J (as shown in Figure 2) and the barrel 40 inside the outer tube 10 can be carried out
The replacement of the piston unit J2 (as shown in Figure 2) of J, the design of such changeable type, for after use subsequent cleaning and
Again using more convenient, the value of the present apparatus is improved.
In addition, in a preferred embodiment of the invention, interconnecting piece 41 of the barrel 40, with the extension interconnecting piece
The detachable connection type system of 30 progress can be to be spirally connected, be clamped or be socketed.
Then, schema Figure 13 A to Figure 13 C of the present invention is please referred to, is for the promotion of an embodiment provided by the present invention
The sectional elevation of side view, longitudinal section view and the pushing part of the syntagmatic in portion and rotation section, rotation section and barrel syntagmatic,
As shown, the installing mode of rotation forces unit 50, is that locating part 73 (can be a slim annulus) is passed through and set by elder generation (1)
It is placed on barrel 40；(2) then pushing part 60 is set in barrel 40, and makes clamping piece 61 embedded at side opening 43；(3) after
Rotation section 70 is screwed together on barrel 40, due to be in rotation section 70 equipped with rotation section screw thread 71, i.e., by rotation section screw thread 71 with
44 bolt of barrel screw thread of barrel 40；(4) finally by locating part 73 and the welding of rotation section 70 to complete to install, make pushing part 60
Clamping piece 61 between locating part 73 and rotation section screw thread 71；Since the annular opening internal diameter of locating part 73 is less than clamping piece 61
The length being added with pushing part 60, therefore be able to stop by locating part 73, prevent clamping piece 61 from falling downwards, and deviate from hollow
Inner space 42 is also able to interlock clamping piece 61 by locating part 73, and enables clamping piece 61 because being limited when rotary motion portion 70
It is pushed and straight-line displacement before and after position part 73, rotation section screw thread 71.
It holds as shown, the rotation section 70 makes in another locating part 75 can further be arranged close to system at clamping piece 61
It is to form the groove 72, and 61 system of clamping piece of the pushing part 60 is located at the groove 72 between the locating part 75 and the locating part 73
(between the locating part 73 and the locating part 75), and when enabling clamping piece 61 because rotating the rotation section 70 by the locating part 73, should
It is pushed and straight-line displacement before and after locating part 75, the locating part 73, the locating part 75 make blocking respectively such as stop ring composition at this time
Part 61, which is embedded, to be positioned between two stop rings (locating part 73, the locating part 75)；Also, when the rotation section 70 is in close to clamping piece 61
When locating the not set locating part 75, which is changed
Yan Zhi, the present embodiment rotation section 70, which ties up at the neighbouring locating part 73, forms the ditch to set, interlock clamping piece 61
Slot 72 assembles the pushing part 60 to position and facilitate；In this way, when the rotation section 70 follows hand of spiral to be moved, card
Be fixed in the pushing part 60 of the groove 72 by therefore carry out with tandem it is mobile, simultaneously because 72 system of groove is around setting
It is placed in the inside of the rotation section 70, therefore when the rotation section 70 rotation, which can park always in the groove 72
In ambient without due to the rotary motion of the rotation section 70 with rotation, make it substantially straight line be kept to operate on the spiral shell
In cylinder 40, avoids applying torsion to the piston unit J2 of syringe J, piston unit J2 is caused to deform or be broken.
In addition, the pushing part 60 and 61 system of clamping piece can be in the pushing parts in a preferred embodiment of the invention
After 60 settings pass through aperture (not drawing), it is arranged to clamping piece 61 after taking a bolt (not drawing) to be inserted into the through hole.
It holds as above-mentioned, and is pushing part, the rotation of another preferred embodiment of the invention refering to schema Figure 14 of the present invention
The sectional elevation of portion and barrel syntagmatic.61 system of clamping piece can be set with the pattern of protrusion (such as Figure 13 C) or recess portion (such as Figure 14)
It is placed in the pushing part 60, when clamping piece 61 is recess portion, is the corresponding locating part 73 and is arranged, and 73 system of locating part is linked to
The rotation section 70, and the internal diameter system of locating part 73 between passing through outside the clamping piece 61, pushing part 60, i.e., the locating part 73 is embedding
Enter in the clamping piece 61 that this is in recess portion, so that the locating part 73 is connect with chimeric with clamping piece 61 group of inner end portion.In addition, clamping piece
The wide internal diameter that can be also nearly identical to the locating part 73 of 61 diameter is wide, so that the locating part 73 can almost be placed in clamping piece completely
It is connect in 61 with group.Since the locating part 73 is embedded in clamping piece 61, the locating part 73 (rotation section 70) is made to be able to limitation, positioning
The pushing part 60, but again because the internal diameter of locating part 73 is wide bigger or the micro- wide height of diameter greater than the clamping piece 61, this
Locating part 73 (is rotated) when turned with the rotation section 70, is not large enough to band with the frictional force of clamping piece 61
Dynamic clamping piece 61 rotates, thus equally can be to avoid taking the torsion of rotation on the piston unit J2 of syringe J.
Then, please refer to schema Figure 15 A and Figure 15 B of the present invention, be a preferred embodiment of the invention pushing part and
The side view and sectional elevation of barrel, as shown, the pushing part 60 provided by the present embodiment is set to the interior of the barrel 40
Portion, simultaneously, the clamping piece 61 being set on the pushing part 60 are arranged in symmetrically arranged two side opening in 40 side of barrel
43, and then fixed with the groove 72 of aforementioned 70 inside of rotation section, whereby, when the pushing part 60 is in 40 inside of barrel
When being moved along a straight line, two clamping pieces 61 also by with the space set by two side openings 43 move along a straight line, complete should
The setting that pushing part 60 and the rotation section 70 interlock.
Then, please refer to schema Figure 16 A and Figure 16 B of the present invention, for the present invention and a preferred embodiment rotation section,
The side view and sectional elevation of pushing part and barrel syntagmatic, as shown, the pushing part 60 provided by the present embodiment is set
It is placed among the inner space 42 of the barrel 40, and is pierced by symmetrically arranged two side in 40 side of barrel by clamping piece 61 and opens
Mouth 43 is fixed with the groove 72 inside the rotation section 70, simultaneously, the rotation section screw thread inside the rotation section 70
71 are screwed together on the barrel screw thread 44 of 40 periphery of barrel, and reaching is fixed thereon the rotation section 70 and can follow spiral shell
The mobile effect in line direction completes the pushing part 60 and is set to 40 inside of barrel and sets with what the rotation section 70 was interlocked
It sets.
In conclusion connection unit is connected to syringe and implanted device in the injection process of the embodiment of the present invention, make
Combination that between the two can be stable is obtained, and reduces gap, therefore bone filler will not be caused excessive pressure increase.Again
Person, in embodiments of the present invention, because connection unit and syringe are all replaceable or jettisonables, even if bone is filled
Solidification or residual occur for object, the reuse of injection aid will not be influenced, so as to reach at lower cost, quickly
Mode carries out multiple injection in art.
Above is only presently preferred embodiments of the present invention, are not used to limit the scope of implementation of the present invention, Fan Yibenfa
Equivalent changes and modifications carried out by shape described in bright scope of the claims, construction, feature and spirit, should be included in the present invention
Scope of the claims in.
Claims (11)
1. a kind of connection unit for injecting bone filler, which is characterized in that it is connected to an injection port of a syringe, it should with connection
Syringe and an implanted device.
2. connection unit as described in claim 1, which is characterized in that it has a group connecting part, a matrix part and a discharging
Portion, the matrix part are located between the group connecting part and the discharging portion, which is connected to the injection port of the syringe, the matrix
Portion is placed in the implanted device, and the discharging portion exports the bone filler to the implanted device.
3. connection unit as claimed in claim 2, which is characterized in that wherein the group connecting part has an external screw thread, to one
One screw-internal thread fit of injection aid.
4. connection unit as claimed in claim 2, which is characterized in that wherein the group connecting part have an at least flange, to
The injection port of the syringe engages.
5. connection unit as described in claim 1, which is characterized in that cooperate with an injection aid, injection auxiliary dress
It sets and includes:
One outer tube, a connection end, an internal accommodating space and an open rearward end comprising front end, the syringe is by being somebody's turn to do
Open rearward end and be placed in the accommodating space, and the connection unit is through connecting the connection end and the injection with the syringe
Mouth group connects.
6. connection unit as claimed in claim 5, which is characterized in that wherein the injection aid includes:
One barrel has an inner space, which is removably connected to the rear end of the outer tube, which includes
One filling unit and a piston unit, which is substantially placed in the accommodating space, and the piston unit is in injection
It is preceding to be substantially placed in the inner space；And
One rotation forces unit, it includes a rotation section and a pushing part, which is screwed together on the barrel, this is pushed away
Dynamic portion is placed in the inner space, and after the piston unit, rotating the rotation section can make the pushing part in the inner space
Linear motion.
7. connection unit as claimed in claim 6, which is characterized in that wherein the pushing part is when linear motion not with the rotation
Portion's rotation.
8. connection unit as claimed in claim 6, which is characterized in that wherein the rotation section has an at least locating part, this is pushed away
Dynamic portion has a clamping piece, which is embedded in the clamping piece and is positioned.
9. connection unit as claimed in claim 5, which is characterized in that wherein the connection unit removably connects the connecting pin
Portion.
10. connection unit as claimed in claim 5, which is characterized in that wherein the connection unit connects the one of the connection end
End is placed in the connection end, and the injection port of the syringe is placed in one end of the connection unit.
11. connection unit as claimed in claim 5, which is characterized in that wherein the connection end outer wall of the outer tube has
Another engaging mechanism cooperation on one engaging mechanism, with the implanted device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106137958A TWI637764B (en) | 2017-11-02 | 2017-11-02 | Injection unit for injection of bone filler |
| TW106137958 | 2017-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109745151A true CN109745151A (en) | 2019-05-14 |
Family
ID=64802783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811095329.5A Pending CN109745151A (en) | 2017-11-02 | 2018-09-19 | Inject the connection unit of bone filler |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109745151A (en) |
| TW (1) | TWI637764B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143437A (en) * | 2021-04-07 | 2021-07-23 | 苏州欣荣博尔特医疗器械有限公司 | Bone cement injection device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI812501B (en) * | 2022-10-11 | 2023-08-11 | 台灣微創醫療器材股份有限公司 | Bone filling material delivery device |
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| TWI391156B (en) * | 2010-10-20 | 2013-04-01 | Central Medical Technologies Inc | A mixed irrigation device for orthopedics |
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| CN2778212Y (en) * | 2005-04-13 | 2006-05-10 | 詹肇洋 | Bottling apparatus of bone mud |
| CN1891308A (en) * | 2005-07-01 | 2007-01-10 | 汪贤宗 | Throw-away anaesthetic safety injection work drum |
| CN102018564A (en) * | 2010-12-20 | 2011-04-20 | 常州市康辉医疗器械有限公司 | Hollow U-shaped nail device capable of being filled with bone cement |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201918265A (en) | 2019-05-16 |
| TWI637764B (en) | 2018-10-11 |
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