CN106175994A - A kind of fixative bringing device of implant - Google Patents
A kind of fixative bringing device of implant Download PDFInfo
- Publication number
- CN106175994A CN106175994A CN201510212280.7A CN201510212280A CN106175994A CN 106175994 A CN106175994 A CN 106175994A CN 201510212280 A CN201510212280 A CN 201510212280A CN 106175994 A CN106175994 A CN 106175994A
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- China
- Prior art keywords
- implant
- fixative
- injecting cavity
- bringing device
- valve rod
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Abstract
A kind of fixative bringing device of implant, including: an injecting cavity, the most inwardly arrange from the outer rim of this implant；Most extrusion cavities, wear towards this injecting cavity direction from the outer rim of this implant respectively, and connect with this injecting cavity；And an introduction valve, run through containing a valve rod and have an injection canal, make this valve rod slide in consistent manner be placed in this injecting cavity, after making fixative can flow into, along this injection canal, the injection space constituted between this injection canal end outlet and this injecting cavity, outwards extrude along respectively this extrusion cavities being exposed to this injection space.
Description
Technical field
Present invention is directed to the fixative bringing device of a kind of implant, espespecially one is placed in people by sliding
Introduction valve in work implant, controls fixative and applies the device of position.
Background technology
Due to skeleton, such as hipbone joint, probably due to congenital hipbone arthrodyasplasia, degeneration,
Many reasons such as pathological changes or external force cause the situations such as femoral head deformation, Acetabular Wear, make the leg of patient have acid
Bitterly, bad in the puzzlement of row.Current settling mode great majority are to bestow artificial osteoarthrosis replacement, make
Patient is without bearing because of uncomfortable produced by hipbone arthropathy.Above-mentioned artificial osteoarthrosis replacement be in
The pulp cavity of the femur of patient is implanted into the implant of a lengthwise, such as: femoral stem, then at this implant
Top be connected a femoral head between acetabular bone, complete this replacement operation.
Current is one-body molded with metal material at the implant medically applied, in downward tapering shape,
In order to implant in the pulp cavity of patient femur, in order to make implanted implant can be fastened on the pulp cavity of patient
In, it will usually first after fixative is inserted in patient's pulp cavity porch, it is inserted into implant, when inserting people
During work implant, the surrounding of implant will carry fixative secretly and enter in patient's pulp cavity, treats that it hardens,
To reach fixing purpose.
But above-mentioned fixative applying method, clinically, fixative also cannot be uniformly adhered to artificial
Around bone grafting, thus the space that can be filled between implant and patient's pulp cavity cannot be guaranteed, cause and
Affect the bond strength between this artificial bone grafting and patient's pulp cavity.
It addition, above-mentioned method, during implant inserts patient's pulp cavity, whole implant will be made
Body attachment fixative, but it is not intended to fixative at some specific Therapeutic Method and is stained with whole implant
Body, but wish the existence without fixative of the part section, the most just can by patient bone tissue again
Hypertrophy is combined into one with the implant implanted；Or the implant bone structure in multi-form, such as
Linking has the implant of a joint elastomer, for guaranteeing the flexibility function of this joint elastomer, it is necessary to get rid of
Fixative is covered in the outer rim of this joint elastomer, and the method for aforementioned known applying fixative is just unable to reach above-mentioned
Demand.
It addition, be typically to present sticky paste in order to fixative (such as bone cement) then, lack flowing
Property, and firm time is extremely short, is therefore difficult to arrive at and is positioned at long-range slit everywhere, is easily formed the most true
Real situation, and its shortcoming aobvious.
In view of this inventor, is to add to give research and innovation, discloses tool implant shown in the present invention
Fixative bringing device.
Summary of the invention
The purpose of the present invention aims to provide the fixative bringing device of a kind of implant, including: an injecting cavity,
The most inwardly arrange from the outer rim of this implant；Most extrusion cavities, respectively from the outer rim of this implant
Wear towards this injecting cavity direction and connect with this injecting cavity；And an introduction valve, run through containing a valve rod and have one
Injection canal, makes this valve rod sliding being placed in this injecting cavity in consistent manner make fixative inject this note along this injection channel
After penetrating the injection space constituted between channel end outlet and this injecting cavity, follow and be exposed to each of this injection space
This extrusion cavities is outwards extruded.
The fixative bringing device of disclosed implant, wherein this implant refers to artificial femur
Handle or other is in order to implant the implant in people's medullary cavity.
The fixative bringing device of disclosed implant, wherein in the entrance interlocking one of this injecting cavity
Pedestal, and this pedestal axially runs through an axis hole, with the valve rod of this introduction valve of sliding sleeve in consistent manner in interior, and in
It is provided with seal ring between this valve rod and this pedestal；The valve rod making this introduction valve in this way can guide according to the axis hole of this pedestal
Ground axial slip.The outer rim of this valve rod above-mentioned, ring set leakage washer still all right, this leakage washer of mat and this injection
The cave wall in chamber is closely sealed, and to avoid injected fixative, scurry out in the gap followed between this valve rod and injecting cavity.
The fixative bringing device of disclosed implant, wherein makes this pedestal axially pivot joint one tune
A whole set of cylinder, this adjustment sleeve axially wears a screw, and makes the valve rod system of this introduction valve form a screw rod,
To be screwed together in consistent manner in the screw of this adjustment sleeve, just can be linked this when rotating this adjustment sleeve in this way
Valve rod is upper and lower displacement in this injecting cavity.
The fixative bringing device of disclosed implant, can be by fixative by the note of this implant
Penetrate chamber lowermost end to start to inject, make fixative from far near, gradually fill with between implant and patient's pulp cavity,
Fixative is made can positively to riddle between implant and patient's pulp cavity.
The fixative bringing device of disclosed implant, owing to being in patient in implantable artificial implant
Pulp cavity after be inserted into the position of this injecting cavity again by the valve rod of this introduction valve, define what this fixative applied
Original position is it can thus be ensured that do not pollute the elastomer that implant is connected, normal to safeguard this elastomer
Function.
The fixative bringing device of disclosed implant, can be by the following description and accompanying drawings
Formula, and it is able to distinct.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of the invention；
Fig. 2 is the operation chart the most upwards applying fixative from Fig. 1；
Fig. 3 is the structural representation that the present invention contains an obstruction；
Fig. 4 is the cross-sectional view of second embodiment of the invention；
Fig. 5 is the application state figure of display embodiment illustrated in fig. 4；
Fig. 6 is the structural representation of third embodiment of the invention.
In figure:
10-implant 10a-elastomer 11-injecting cavity
110-injection space 111-cave wall 12-extrusion cavities
12 ' extrusion cavities 13-block 14-pedestal
141-axis hole 142-seal ring 15-adjusts sleeve
151-screw 20-introduction valve 21-valve rod
22-leakage washer 23-injection canal 23a-end outlet
24-push rod 30-pulp cavity 40-fixative
Detailed description of the invention
Refer to shown in Fig. 1, present invention is directed to the fixative bringing device of a kind of implant, by one
It is provided with after the implant 10 of injecting cavity 11 and most extrusion cavities 12 is placed in patient's pulp cavity 30, with an introduction valve
In 20 injecting cavities 11 slipping into this implant 10, and fixative 40 is followed the injection canal 23 of this introduction valve 20
Flow into the note constituted between the injecting cavity 11 of this implant 10 and the end outlet 23a of this injection canal 23
Penetrate in space 110, by gradually retiring this introduction valve 20, as in figure 2 it is shown, make fixative 40 along gradually exposing
It is exposed to this injection space 110 and runs through the extrusion cavities 12 of this implant 10 and scurry out, being filled in implant
Device between 10 and patient's pulp cavity 30.
As shown in Figure 1, 2, the fixative bringing device of disclosed implant, including: an injection
Chamber 11, is lengthways set to the concave by the outer rim of implant 10；Most extrusion cavities 12, from this implant 10
Outer rim wear towards this injecting cavity 11 direction, and connect with this injecting cavity 11；And an introduction valve 20, contain
One valve rod 21, and axially run through and have an injection canal 23, and this valve rod 21 is sliding in consistent manner is placed in this injecting cavity
In 11 and fixative 40 can be made can to flow into it along this injection canal 23 along this injecting cavity 11 axially sliding
After the injection space 110 constituted between end outlet 23a and this injecting cavity 11, along being exposed to this injection space
Respectively this extrusion cavities 12 of 110 is outwards scurried out.
As it is shown on figure 3, the fixative bringing device of disclosed implant, comprise a resistance further
Plug 13 is placed in the injecting cavity 11 of this implant 10, makes this obstruction 13 closely sealed with the surrounding of this injecting cavity 11,
To close the part extrusion cavities 12 in this injection space 110, to stop that the fixative 40 injected penetrates this resistance
Plug 13 is scurried out towards the extrusion cavities 12 ' being closed.By the setting of this obstruction 13, can set to be injected and fix
Agent 40 flows into the position of patient's pulp cavity 30 from this implant 10；The most in figure 3, one can applied
An obstruction 13 is inserted, in order to stop the extrusion cavities 12 of part, when the most again applying fixative after section fixative 40
When 40, the fixative 40 applied just cannot outwards be altered via blocked 13 respectively these extrusion cavities 12 closed again
Go out, be only capable of outwards scurrying out in this implant 10 and patient's pulp cavity 30 from other extrusion 12 being not closed out
Between, make this implant 10 in range selector fix with patient's pulp cavity 30.
As shown in Figure 4,5, the fixative bringing device of disclosed implant, wherein in this injection
Entrance interlocking one pedestal 14 in chamber 11, this pedestal 14 axially runs through an axis hole 141, should with sliding sleeve in consistent manner
The valve rod 21 of introduction valve 20 is in interior, and can be provided with seal ring 142 between this valve rod 21 and this pedestal 14；In this way
The valve rod 21 of this introduction valve 20 just can follow the axis hole 141 of this pedestal 14 to guide ground axial slip.The present invention in
The outer rim of this valve rod 21, is the cave that with ring set leakage washer 22, can make this leakage washer 22 and this injecting cavity 11
Wall 111 periphery is closely sealed.
As shown in Figure 6, the fixative bringing device of disclosed implant, wherein in this pedestal 14
Axially pivot joint one adjusts sleeve 15, makes this adjustment sleeve 15 axially wear a screw 151, and makes this note
The valve rod 21 penetrating valve 20 is to form a screw rod, to be screwed together in consistent manner in the screw 151 of this adjustment sleeve 15,
Just can link the valve rod 21 of this introduction valve 20 in this way when rotating this adjustment sleeve 15, in this injecting cavity 11
In axially status move.
As it is shown in figure 1, the fixative bringing device of disclosed implant, wherein this introduction valve 20
Comprise in the injection canal 23 that a push rod 24 sleeves in this valve rod 21 further, so that this note will be filled in advance
Penetrate the fixative 40 in passage 23 extrapolated；Or, in valve rod 21 top of this introduction valve 20, it is connected one
Body is not shown, enters in this injection canal 23 in order to guide fixative 40, and makes introduced fixative
40 are scurried out by the end outlet 23a of this valve rod 21.
The fixative bringing device of disclosed implant, in use, can be by this introduction valve 20
Valve rod 21 push the lowermost end of injecting cavity 11 of implant 10, now, as it is shown in figure 1, push away with P direction
Enter this push rod 24, the fixative 40 filled in advance in this injection canal 23 is followed the end of this note incidence channel 23
Bringing out a mouthful 23a persistently to scurry out, operator regards operating conditions, as in figure 2 it is shown, gradually retire this valve towards U direction
Bar 21, make fixative 40 can by remote and closely through being gradually exposed to this injection canal 23 end outlet 23a and this note
Penetrate respectively this extrusion cavities 12 between chamber 11 outwards to scurry out and be filled between implant 10 and patient's pulp cavity 30；Edge this,
The present invention can make applied fixative 40 far to reach to be positioned at institute's structure between implant 10 and patient's pulp cavity 30
The slit become everywhere, and can positively be filled in the slit between this implant 10 and patient's pulp cavity 30, solves
Known cannot arrive at long-range slit because of fixative 40, and cause cannot between part implant and patient's pulp cavity
Obtain good fixing problem.
The fixative bringing device of disclosed implant, owing to being to insert trouble at this implant 10
After in person's pulp cavity 30, then carry out applying fixative 40, therefore during inserting this implant 10, suffer from
It is there is no fixative 40 in person's pulp cavity 30, therefore the elastomer 10a that implant 10 is connected, not
The pollution of fixative 40 can be suffered, it can be ensured that implant 10 dynamic completely, for example, it is possible to really
The elastomer 10a that guarantor's implant 10 is connected still can keep the function that can be elastically compressed, buffer external force complete
Whole, and the novelty of the aobvious present invention and progressive.
Disclosed structure, shape, can be modified under the spirit and scope not disobeying the present invention should
With, the present invention the most certainly limit.
Claims (8)
1. the fixative bringing device of an implant, it is characterised in that including: an injecting cavity, by people
The outer rim of work implant lengthways sets to the concave；Multiple extrusion cavities, from the outer rim of this implant towards this injecting cavity
Direction wears and connects with this injecting cavity；And an introduction valve, containing a valve rod and axially run through and have a note
Penetrate passage, and this valve rod is slided in consistent manner and is placed in this injecting cavity and can make solid along the axially sliding of this injecting cavity
Determine agent to follow this injection canal and flow into and constituted between the end outlet of this injection canal and this injecting cavity
After injection space, outwards extrude along respectively this extrusion cavities being exposed to this injection space.
2. the fixative bringing device of implant as claimed in claim 1, it is characterised in that wrap further
Block in the injecting cavity being placed in this implant containing one, make this obstruction closely sealed with the surrounding of this injecting cavity, with envelope
Close the part extrusion cavities in this injection space.
3. the fixative bringing device of implant as claimed in claim 1, it is characterised in that this injecting cavity
Entrance interlocking one pedestal, this pedestal axially runs through an axis hole, with the valve rod of this introduction valve of sliding sleeve in consistent manner
In interior.
4. the fixative bringing device of as claimed in claim 3 implant, it is characterised in that this valve rod with
It is provided with seal ring between this pedestal.
5. the fixative bringing device of implant as described in claim 1 or 3, it is characterised in that this valve rod
Outer rim ring set leakage washer, make this leakage washer closely sealed with the cave wall periphery of this injecting cavity.
6. the fixative bringing device of implant as claimed in claim 3, it is characterised in that this pedestal axle
Adjust sleeve to ground pivot joint one, make this adjustment sleeve wear a screw, and make the valve rod of this introduction valve form one
Screw rod, to be screwed together in consistent manner in the screw of this adjustment sleeve.
7. the fixative bringing device of implant as claimed in claim 1, it is characterised in that this introduction valve
Comprise a pusher slide further together in the injection canal in this valve rod, so that this injection canal will be filled in advance
Interior fixative is extrapolated.
8. the fixative bringing device of implant as claimed in claim 1, it is characterised in that this introduction valve
The linking of injection canal top inlet have a body, enter in this injection canal guiding fixative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212280.7A CN106175994B (en) | 2015-04-29 | 2015-04-29 | A kind of fixative bringing device of implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212280.7A CN106175994B (en) | 2015-04-29 | 2015-04-29 | A kind of fixative bringing device of implant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106175994A true CN106175994A (en) | 2016-12-07 |
| CN106175994B CN106175994B (en) | 2019-08-13 |
Family
ID=57457454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510212280.7A Expired - Fee Related CN106175994B (en) | 2015-04-29 | 2015-04-29 | A kind of fixative bringing device of implant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106175994B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107811730A (en) * | 2017-11-02 | 2018-03-20 | 哈尔滨医科大学 | Femoral hip prosthesis prosthese |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2710257A1 (en) * | 1993-09-24 | 1995-03-31 | Hardy Jean Marie | Femoral shaft for a hip prosthesis |
| CN1120926A (en) * | 1994-07-14 | 1996-04-24 | 默克专利股份有限公司 | Artificial femur |
| US5741265A (en) * | 1996-02-21 | 1998-04-21 | Chan; Kwan-Ho | Bone canal pressurizer |
| US20030097184A1 (en) * | 2001-11-21 | 2003-05-22 | Naoto Mitsugi | Stem of artificial hip joint |
| US20030181986A1 (en) * | 2000-07-29 | 2003-09-25 | Jurgen Buchholz | Surgical element |
| CN203436430U (en) * | 2013-09-05 | 2014-02-19 | 武汉德骼拜尔外科植入物有限公司 | Femoral stem facilitating bone cement injecting |
-
2015
- 2015-04-29 CN CN201510212280.7A patent/CN106175994B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2710257A1 (en) * | 1993-09-24 | 1995-03-31 | Hardy Jean Marie | Femoral shaft for a hip prosthesis |
| CN1120926A (en) * | 1994-07-14 | 1996-04-24 | 默克专利股份有限公司 | Artificial femur |
| US5741265A (en) * | 1996-02-21 | 1998-04-21 | Chan; Kwan-Ho | Bone canal pressurizer |
| US20030181986A1 (en) * | 2000-07-29 | 2003-09-25 | Jurgen Buchholz | Surgical element |
| US20030097184A1 (en) * | 2001-11-21 | 2003-05-22 | Naoto Mitsugi | Stem of artificial hip joint |
| CN203436430U (en) * | 2013-09-05 | 2014-02-19 | 武汉德骼拜尔外科植入物有限公司 | Femoral stem facilitating bone cement injecting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107811730A (en) * | 2017-11-02 | 2018-03-20 | 哈尔滨医科大学 | Femoral hip prosthesis prosthese |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106175994B (en) | 2019-08-13 |
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Granted publication date: 20190813 Termination date: 20210429 |