CN201230901Y - Sleeve link structure and module - Google Patents
Sleeve link structure and module Download PDFInfo
- Publication number
- CN201230901Y CN201230901Y CNU2008201088429U CN200820108842U CN201230901Y CN 201230901 Y CN201230901 Y CN 201230901Y CN U2008201088429 U CNU2008201088429 U CN U2008201088429U CN 200820108842 U CN200820108842 U CN 200820108842U CN 201230901 Y CN201230901 Y CN 201230901Y
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- China
- Prior art keywords
- sleeve
- sleeve part
- lining ring
- jackscrew
- elasticity lining
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Abstract
The utility model provides a sleeve connection structure and a sleeve connection component, wherein the sleeve connection structure is provided with a connection component with at least one sleeve part which is provided with a pushing wire pushing along the radial direction of the sleeve part to the inner part of the sleeve part, and the pushing wire is in threaded connection with the sleeve part. A ball-shaped concave part is arranged in the sleeve, an elastic lining ring is inlaid in the ball-shaped concave part, the elastic lining ring is provided with an opening part and is in a round shape or a C shape, the outer side surface of the elastic lining ring forms a ball-shaped convex part matched with the ball-shaped concave part, the inner side surface of the elastic lining ring forms an inner column surface matched with a rod-shaped component, and the end part of the pushing wire pushes and presses the outer side surface of the elastic lining ring. Based on the structure of the elastic lining ring, the connection component with the rod-shaped connection end can be adjusted and tightened corresponding to bone nails on three dimensions, namely three freedom degrees.
Description
Technical field
This utility model relates to a kind of orthopedic medical device, particularly a kind of medical apparatus and instruments that is used for spinal fixation, and specifically, this utility model relates to the sleeve syndeton that has the sleeve part and the sleeve coupling assembling of the medical apparatus and instruments that is used for spinal fixation.
Background technology
In orthopedic instrument, in the apparatus especially for spinal fixation, adopt the connector (for example nail or universal lateral mass) that has the sleeve part usually as for example carrying out fixed means on the vertebra at skeleton.With the nail as the apparatus that is used for spinal fixation is example, and described nail has the implantation portion that is used for the implant into body skeleton of the leading portion that is arranged on nail and is arranged on the sleeve part of the rear of nail.Implantation portion by nail is implanted to nail on the vertebra, and the sleeve part with nail is connected with miscellaneous part (being called link) then, with treatments such as fixing, reset, be orthopedic.The shaft-like link of link is inserted from the sleeve part, the jackscrew that utilization is threaded on the sleeve radially holds out against shaft-like link in the sleeve part along telescopic, thereby the link that will have shaft-like link is connected with the nail that has the sleeve part.Have on the link of shaft-like link and also can be provided with other links or workpiece.Because the shaft-like link of link axially can be adjusted along the sleeve part of nail, and the shaft-like link of described link can also carry out adjustment in rotational direction in the sleeve part, therefore, this connected mode can be in the annexation of adjusting on the two dimension between nail and the link.But based on above-mentioned syndeton, the shaft-like link of link can only be along axially the fixing of the sleeve part of nail, and the axial direction of sleeve part of the relative nail of shaft-like link of link is fixed in the mode that forms angle.
Though said structure can be in the annexation between two-dimentional adjusted nail and the link, in actual operation, the adjusting that need carry out is very complicated, need be in the annexation between three-dimensional adjusted nail and the link.
The utility model content
The purpose of this utility model is to provide a kind of sleeve syndeton, this sleeve syndeton can make the sleeve part on the connector be connected with the shaft-like link of relative link, can be in the annexation between three-dimensional adjusted connector and the relative link.
This utility model provides a kind of sleeve syndeton, this sleeve syndeton has the connector that has a sleeve part at least, on described sleeve part, be provided with along the radial direction of sleeve part jackscrew to the inside of sleeve part pushing tow, wherein this jackscrew is threaded on the sleeve part, it is characterized in that, be provided with spherical recess in telescopic inside, in spherical recess, be embedded with the elasticity lining ring, described elasticity lining ring is arranged to have the circle or the C shape of peristome, the lateral surface of described elasticity lining ring forms the spherical protuberance that matches with described spherical recess, the medial surface of described elasticity lining ring forms the inner cylinder face that can cooperate with a rod-like members, and the end roof pressure of described jackscrew is on the lateral surface of elasticity lining ring.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, the spherical recess of described sleeve part is provided with guiding groove, is provided with the directing pin that is engaged in the described guiding groove on the lateral surface of elasticity lining ring.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, described guiding groove is along the axial direction setting of sleeve part.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, described guiding groove is along intersecting the direction setting of a predetermined angular with the axial direction of sleeve part.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, described guiding groove is arranged on the position relative with jackscrew on the spherical recess of sleeve part.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, the peristome of described elasticity lining ring be arranged on stagger with the end of jackscrew or with the position of the axis misalignment of jackscrew on.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, on the line at the peristome setting of described elasticity lining ring and the line quadrature between jackscrew and the guiding groove and the center by the elasticity lining ring.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, the spherical recess of described sleeve part extends to two axial side ends of sleeve part.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, form the hole enlargement part respectively between two axial side ends of the spherical recess of described sleeve part and sleeve part, the content of this hole enlargement part enlarges gradually along the direction from spherical recess to described axial side end.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, described connector is a nail, described nail has the nail main body, leading portion in described nail main body is provided with the implantation portion that is used for the implant into body skeleton, is provided with described sleeve part at the rear of described nail main body.
According to an embodiment of the present utility model, in sleeve syndeton described in the utility model, described connector is universal lateral mass, and an end of described universal lateral mass has and is used for the microscler adjustment hole that is connected with nail, and the other end of described universal lateral mass has described sleeve part.In an example, the axial direction of the described microscler adjustment hole of described universal lateral mass and the axial direction of described sleeve part form an angle.
This utility model also provides a kind of sleeve coupling assembling, this sleeve coupling assembling has first connector that has a sleeve part at least and second connector that has shaft-like coupling part at least, on described sleeve part, be provided with along the radial direction of sleeve part jackscrew to the inside of sleeve part pushing tow, wherein this jackscrew is threaded on the sleeve part, it is characterized in that, be provided with spherical recess in telescopic inside, in spherical recess, be embedded with the elasticity lining ring, described elasticity lining ring is arranged to have the circle or the C shape of peristome, the lateral surface of described elasticity lining ring forms the spherical protuberance that matches with described spherical recess, the medial surface of described elasticity lining ring forms the inner cylinder face that can cooperate with a rod-like members, and the end roof pressure of described jackscrew is on the lateral surface of elasticity lining ring.
Pass through said structure, when the shaft-like link of link extend in the sleeve part, the outer peripheral face of shaft-like link cooperates with the inner cylinder face of elasticity lining ring, therefore, when shaft-like link was rotated with respect to the sleeve part, shaft-like link drove the elasticity lining ring and rotates, because the lateral surface of elasticity lining ring forms the spherical protuberance that matches with described spherical recess, by the cooperation of sphere recess and sphere protuberance, can allow the angle adjustment of shaft-like link with respect to the sleeve part.After adjusting angle,, make jackscrew inwardly push the elasticity lining ring by inside screw-in jackscrew.Strain takes place in the back that is squeezed in the elasticity lining ring, peristome reduces, the inner cylinder face of elasticity lining ring is fitted snugly on the outer peripheral face of shaft-like link, make shaft-like link fix with respect to the elasticity lining ring, and make the elasticity lining ring be fixed by jackscrew, thereby make link be connected fixing with respect to the nail that has the sleeve part with shaft-like link with respect to the sleeve part.
Based on the structure of elasticity lining ring, the link with shaft-like link can be regulated with fastening (being on the three degree of freedom) on the three-dimensional with respect to connector.
Description of drawings
Accompanying drawing described here only is used for task of explanation, and does not represent the intention that limits scope disclosed by the invention by any way.In addition, the shape of each parts among the figure and proportional sizes etc. only are schematically, are used to help the understanding of the present invention, are not shape and the proportional sizes that specifically limits each parts of the present invention.Those skilled in the art can select various possible shapes and proportional sizes to implement the present invention under instruction of the present invention as the case may be.
Fig. 1 is as the structural representation of the nail that has the sleeve part of first embodiment of sleeve syndeton of the present utility model, wherein for the sake of clarity, jackscrew and elasticity lining ring is not set in the described sleeve part.
Fig. 2 is the side-looking partial sectional view of Fig. 1.
Fig. 3 cuts open the cutaway view of getting for the B-B line in Fig. 1.
Fig. 4 is the structural representation of the jackscrew in the nail that has the sleeve part of first embodiment of the present utility model.
Fig. 5 is the top structure sketch map of jackscrew.
Fig. 6 is the structural representation of the elasticity lining ring in the nail that has the sleeve part of first embodiment of the present utility model.
Fig. 7 is the vertical view of the elasticity lining ring in the nail that has the sleeve part of first embodiment of the present utility model.
Fig. 8 is as the structural representation (side view) of the universal lateral mass that has the sleeve part of second embodiment of sleeve syndeton of the present utility model, wherein for the sake of clarity, jackscrew and elasticity lining ring is not set in the described sleeve part.
Fig. 9 cuts open the cutaway view of getting for the A-A line in Fig. 8.
Figure 10 is provided with jackscrew and elasticity lining ring for the structural representation (cutaway view) of the universal lateral mass that has the sleeve part of second embodiment of sleeve syndeton of the present utility model in the wherein said sleeve part.
The specific embodiment
With the description of the specific embodiment of the invention, can be well understood to details of the present invention more in conjunction with the accompanying drawings.But the specific embodiment of the present invention described here only is used to explain purpose of the present invention, is limitation of the present invention and can not be understood as by any way.Under instruction of the present invention, the technical staff can conceive based on possible distortion arbitrarily of the present invention, and these all should be regarded as belonging to scope of the present invention.
This utility model provides a kind of sleeve syndeton, and this sleeve syndeton has the connector that has a sleeve part at least.This connector can be any parts that have a sleeve part at least.For example, as first embodiment, this connector can be nail, and this nail has the nail main body, is provided with the implantation portion that is used for the implant into body skeleton at the leading portion of described nail main body, is provided with described sleeve part at the rear of described nail main body; As first embodiment, this connector also can be universal lateral mass, and an end of described universal lateral mass has and is used for the microscler adjustment hole that is connected with nail, and the other end of described universal lateral mass has described sleeve part.
First embodiment
Referring to Fig. 1-shown in Figure 7, show the sleeve syndeton of first embodiment of the present utility model.
First embodiment of the present utility model provides the sleeve syndeton with the nail 1 that has the sleeve part.Described nail 1 has nail main body 10.Leading portion in described nail main body 10 is provided with the implantation portion 11 that is used for the implant into body skeleton, is provided with sleeve part 12 at the rear of described nail main body 10.Described sleeve part 12 and described implantation portion 11 are integrally formed, thereby constitute described nail main body 10.Described sleeve part 12 has from an end face and extends through the through hole 120 of other end and around the sidewall 121 of this through hole 120, wherein the axis of this through hole 120 defines the axial direction of this sleeve part 12, is defined as the radial direction of sleeve part 12 with the vertical direction of this axial direction.On sidewall 121, be provided with the screwed hole 122 that runs through sidewall 121, this screwed hole 122 is 12 radial direction along the sleeve part, this screwed hole 122 is used for being spirally connected with a jackscrew 2, promptly be provided with along the sleeve part 12 the radial direction jackscrew 2 to the inside of sleeve part pushing tow on described sleeve part 12, wherein this jackscrew 2 is threaded on the sleeve part 12.
12 the inside in the sleeve part promptly in the through hole 120 of sleeve part 12, is provided with spherical recess 123, and this spherical recess 123 has the spherical face of indent, and preferably, this spherical recess 123 is designed to have the indent spherical face of annulus.In spherical recess 123, be embedded with elasticity lining ring 3, described elasticity lining ring 3 is arranged to have the circle or the C shape of peristome 31, the lateral surface of described elasticity lining ring 3 forms the spherical protuberance that matches with described spherical recess, preferably, forms the evagination spherical face of annulus.The medial surface of described elasticity lining ring 3 forms the inner cylinder face that can cooperate with rod-like members, and the end roof pressure of described jackscrew 2 is on the lateral surface of elasticity lining ring 3.
Pass through said structure, when the shaft-like link (not shown) of link extend in the sleeve part 12, the outer peripheral face of shaft-like link cooperates with the inner cylinder face of elasticity lining ring 3, therefore, when shaft-like link is rotated with respect to sleeve part 12, shaft-like link drives elasticity lining ring 3 and rotates, because the lateral surface of elasticity lining ring 3 forms the spherical protuberance that matches with the spherical recess of described sleeve part 12, by the cooperation of sphere recess and sphere protuberance, can allow shaft-like link to carry out angle adjustment at any angle with respect to sleeve part 12.After adjusting angle,, make inwardly extruding elasticity lining ring 3 of jackscrew 2 by inside screw-in jackscrew 2.Strain takes place in the back that is squeezed in elasticity lining ring 3, peristome 31 reduces, the inner cylinder face of elasticity lining ring 3 is fitted snugly on the outer peripheral face of shaft-like link, make shaft-like link fixing with respect to elasticity lining ring 3, and make elasticity lining ring 3 be fixed by jackscrew 2, thereby make link be connected fixing with respect to nail 1 with shaft-like link with respect to sleeve part 12.
According to said structure, structural design based on elasticity lining ring 3, link with shaft-like link can be regulated with fastening (being on the three degree of freedom) on the three-dimensional with respect to nail 1, and promptly link can be with respect to the sleeve part 12 of nail 1 along the above-below direction swing, along the left and right directions swing and along the fore-and-aft direction translation.
Referring to Fig. 4, for the ease of operation rotation jackscrew 2, be provided with operating portion 22 at the end of jackscrew, this operating portion 22 is designed to corresponding with the shape of the operating side of an operation tool, thereby can be connected with operation tool form fit ground.For example, this operating portion 22 can be designed to operate recess, hexagonal shape concave shape as shown in Figure 4 or other shapes.Certainly, also this operating portion can be designed to operate protuberance.
According to an embodiment of the present utility model, in nail described in the utility model, the spherical recess of described sleeve part 12 is provided with guiding groove 124, is provided with the directing pin 32 that is engaged in the described guiding groove 124 on the lateral surface of elasticity lining ring 3.Further, according to an embodiment of the present utility model, 12 the axial direction setting of described guiding groove 124 along the sleeve part.Fit structure according to this guiding groove 124 and directing pin 32, elasticity lining ring 3 is positioned with respect to the spherical recess of sleeve part 12 in a circumferential direction, thereby elasticity lining ring 3 can be installed when mounted in the mode that peristome 31 is positioned at constant bearing, simultaneously, the structure of this guiding groove 124 and directing pin 32 can not hinder the motion that be used for normal adjustment of elasticity lining ring 3 in sleeve part 12.
According to an embodiment of the present utility model, in nail 1 described in the utility model, this guiding groove 124 is arranged to, make described guiding groove 124 along intersecting the direction setting of a predetermined angular with the axial direction of sleeve part 12.
According to an embodiment of the present utility model, in nail 1 described in the utility model, described guiding groove 124 is being arranged on the spherical recess of sleeve part 12 on the position relative with jackscrew 2.
According to an embodiment of the present utility model, in nail 1 described in the utility model, the peristome 31 of described elasticity lining ring 3 be arranged on stagger with the end of jackscrew 2 or with the position of the axis misalignment of jackscrew on, interfere thereby avoid when screwing jackscrew 2 elasticity lining ring 3 is compressed the aperture efficiency 31 of jackscrew 2 and elasticity lining ring 3 to produce.
According to an embodiment of the present utility model, in nail 1 described in the utility model, the peristome of described elasticity lining ring 3 31 be provided with jackscrew 2 and guiding groove 124 between the line quadrature and pass through on the line in the center of circle of elasticity lining ring 3.Promptly according to Fig. 1, Fig. 6 and content shown in Figure 7, jackscrew 3 is positioned at the top of sleeve part 12, and guiding groove 124 is positioned at the bottom of the spherical recess of sleeve part 12, thereby jackscrew 2 is relative with guiding groove 124.The peristome 31 of elasticity lining ring 3 is positioned at sidepiece, promptly spend on the position of angles of circumference with jackscrew 2 and guiding groove 124 intervals 90, thereby jackscrew 2 makes peristome 31 easy deformation when elasticity lining ring 3 application of forces.
In addition, by further analysis, as long as the peristome 31 of elasticity lining ring 3 is positioned at jackscrew 2 intervals 90 and spends on the position of angles of circumference, at jackscrew 2 during to elasticity lining ring 3 application of forces, just can make peristome 31 easy deformation, and directing pin 124 can be arranged on the position relative with jackscrew 2, also can be arranged on other positions.
According to an embodiment of the present utility model, in nail 1 described in the utility model, the spherical recess of described sleeve part 12 extends to two axial side ends 125,126 of sleeve part 12.
According to an embodiment of the present utility model, in nail 1 described in the utility model, form hole enlargement part 127,128 respectively between two axial side ends 125,126 of the spherical recess of described sleeve part 12 and sleeve part 12, the internal diameter of this hole enlargement part 127,128 enlarges gradually along the direction from spherical recess to described axial side end 125,126.The structure of described hole enlargement part 127,128 can increase the rotation range of accommodation of the shaft-like link of the link that is connected with sleeve part 12.
Second embodiment
Referring to Fig. 8-shown in Figure 10, show the sleeve syndeton of second embodiment of the present utility model.
The structure of second embodiment and first embodiment are similar, and difference is that in the first embodiment, described connector is the nail that has the sleeve part, and in second embodiment, described connector is the universal side plate that has the sleeve part.In Fig. 8-Figure 10 of expression second embodiment, identical with first embodiment or similar structure and parts adopt identical or similar label, no longer describe in detail.
Second embodiment of the present utility model provides the sleeve syndeton of the universal lateral mass 4 that has the sleeve part.One end of described universal lateral mass 4 has and is used for the hole 41 (for example, microscler adjustment hole) that is connected with nail, and the other end of described universal lateral mass has described sleeve part 42.
Described universal lateral mass 4 has universal lateral mass main body 40.Can further be provided for connecting the lining ring 5 of nail in the described hole 41.The part with sleeve part 42 of described universal lateral mass 4 can be integrally formed with the part with described hole 41, thereby constitute described universal lateral mass main body 40.Described sleeve part 42 has from an end face and extends through the through hole 420 of other end and around the sidewall 421 of this through hole 420, wherein the axis of this through hole 420 defines the axial direction of this sleeve part 42, is defined as the radial direction of sleeve part 42 with the vertical direction of this axial direction.On sidewall 421, be provided with the screwed hole 422 that runs through sidewall 421, this screwed hole 422 is 42 radial direction along the sleeve part, this screwed hole 422 is used for being spirally connected with a jackscrew 2, promptly be provided with along the sleeve part 42 the radial direction jackscrew 2 to the inside of sleeve part pushing tow on described sleeve part 42, wherein this jackscrew 2 is threaded on the sleeve part 42.
42 the inside in the sleeve part promptly in the through hole 420 of sleeve part 42, is provided with spherical recess 423, and this spherical recess 423 has the spherical face of indent, and preferably, this spherical recess 423 is designed to have the indent spherical face of annulus.In spherical recess 423, be embedded with elasticity lining ring 3, described elasticity lining ring 3 is arranged to have the circle or the C shape of peristome 31, the lateral surface of described elasticity lining ring 3 forms the spherical protuberance that matches with described spherical recess, preferably, forms the evagination spherical face of annulus.The medial surface of described elasticity lining ring 3 forms the inner cylinder face that can cooperate with rod-like members, and the end roof pressure of described jackscrew 2 is on the lateral surface of elasticity lining ring 3.
Pass through said structure, when the shaft-like link (not shown) of link extend in the sleeve part 42, the outer peripheral face of shaft-like link cooperates with the inner cylinder face of elasticity lining ring 3, therefore, when shaft-like link is rotated with respect to sleeve part 42, shaft-like link drives elasticity lining ring 3 and rotates, because the lateral surface of elasticity lining ring 3 forms the spherical protuberance that matches with the spherical recess of described sleeve part 42, by the cooperation of sphere recess and sphere protuberance, can allow shaft-like link to carry out angle adjustment at any angle with respect to sleeve part 42.After adjusting angle,, make inwardly extruding elasticity lining ring 3 of jackscrew 2 by inside screw-in jackscrew 2.Strain takes place in the back that is squeezed in elasticity lining ring 3, peristome 31 reduces, the inner cylinder face of elasticity lining ring 3 is fitted snugly on the outer peripheral face of shaft-like link, make shaft-like link fixing with respect to elasticity lining ring 3, and make elasticity lining ring 3 be fixed by jackscrew 2, thereby make link be connected fixing with respect to universal lateral mass 4 with shaft-like link with respect to sleeve part 42.
According to said structure, structural design based on elasticity lining ring 3, link with shaft-like link can be regulated with fastening (being on the three degree of freedom) on the three-dimensional with respect to universal lateral mass 4, and promptly link can be with respect to the sleeve part 42 of universal lateral mass 4 along the above-below direction swing, along the left and right directions swing and along the fore-and-aft direction translation.
According to an embodiment of the present utility model, in universal lateral mass 4 described in the utility model, the spherical recess of described sleeve part 42 is provided with guiding groove 424, is provided with the directing pin 32 that is engaged in the described guiding groove 424 on the lateral surface of elasticity lining ring 3.Further, according to an embodiment of the present utility model, 42 the axial direction setting of described guiding groove 424 along the sleeve part.Fit structure according to this guiding groove 424 and directing pin 32, elasticity lining ring 3 is positioned with respect to the spherical recess of sleeve part 42 in a circumferential direction, thereby elasticity lining ring 3 can be installed when mounted in the mode that peristome 31 is positioned at constant bearing, simultaneously, the structure of this guiding groove 424 and directing pin 32 can not hinder the motion that be used for normal adjustment of elasticity lining ring 3 in sleeve part 42.
Wherein, the jackscrew 2 in the present embodiment and the structure of elasticity lining ring 3 are identical with structure in first embodiment, no longer are repeated in this description at this.
According to an embodiment of the present utility model, in universal lateral mass 4 described in the utility model, the spherical recess of described sleeve part 42 extends to two axial side ends 425,426 of sleeve part 42.
According to an embodiment of the present utility model, in universal lateral mass 4 described in the utility model, form hole enlargement part 427,428 respectively between two axial side ends 425,426 of the spherical recess of described sleeve part 42 and sleeve part 42, the internal diameter of this hole enlargement part 427,428 enlarges gradually along the direction from spherical recess to described axial side end 425,426.The structure of described hole enlargement part 427,428 can increase the rotation range of accommodation of the shaft-like link of the link that is connected with sleeve part 42.
Claims (14)
1, a kind of sleeve syndeton, this sleeve syndeton has the connector that has a sleeve part at least, on described sleeve part, be provided with along the radial direction of sleeve part jackscrew to the inside of sleeve part pushing tow, wherein this jackscrew is threaded on the sleeve part, it is characterized in that, be provided with spherical recess in telescopic inside, in spherical recess, be embedded with the elasticity lining ring, described elasticity lining ring is arranged to have the circle or the C shape of peristome, the lateral surface of described elasticity lining ring forms the spherical protuberance that matches with described spherical recess, the medial surface of described elasticity lining ring forms the inner cylinder face that can cooperate with a rod-like members, and the end roof pressure of described jackscrew is on the lateral surface of elasticity lining ring.
2, sleeve syndeton according to claim 1 is characterized in that, the spherical recess of described sleeve part is provided with guiding groove, is provided with the directing pin that is engaged in the described guiding groove on the lateral surface of elasticity lining ring.
3, sleeve syndeton according to claim 2 is characterized in that, described guiding groove is along the axial direction setting of sleeve part.
4, sleeve syndeton according to claim 2 is characterized in that, described guiding groove is along intersecting the direction setting of a predetermined angular with the axial direction of sleeve part.
5, sleeve syndeton according to claim 2 is characterized in that, described guiding groove is arranged on the position relative with jackscrew on the spherical recess of sleeve part.
6, sleeve syndeton according to claim 1 and 2 is characterized in that, the peristome of described elasticity lining ring be arranged on stagger with the end of jackscrew or with the position of the axis misalignment of jackscrew on.
7, sleeve syndeton according to claim 5 is characterized in that, on the line at the peristome setting of described elasticity lining ring and the line quadrature between jackscrew and the guiding groove and the center by the elasticity lining ring.
8, sleeve syndeton according to claim 2 is characterized in that, the peristome setting of described elasticity lining ring and jackscrew compartment are on the position of 90 degree angles of circumference.
9, sleeve syndeton according to claim 1 is characterized in that, the spherical recess of described sleeve part extends to two axial side ends of sleeve part.
10, sleeve syndeton according to claim 1, it is characterized in that, form the hole enlargement part respectively between two axial side ends of the spherical recess of described sleeve part and sleeve part, the internal diameter of this hole enlargement part enlarges gradually along the direction from spherical recess to described axial side end.
11, sleeve syndeton according to claim 1, it is characterized in that described connector is a nail, described nail has the nail main body, leading portion in described nail main body is provided with the implantation portion that is used for the implant into body skeleton, is provided with described sleeve part at the rear of described nail main body.
12, sleeve syndeton according to claim 1 is characterized in that, described connector is universal lateral mass, and an end of described universal lateral mass has and is used for the microscler adjustment hole that is connected with nail, and the other end of described universal lateral mass has described sleeve part.
13, sleeve syndeton according to claim 12 is characterized in that, the axial direction of the described microscler adjustment hole of described universal lateral mass and the axial direction of described sleeve part form an angle.
14, a kind of sleeve coupling assembling, this sleeve coupling assembling has first connector that has a sleeve part at least and second connector that has shaft-like coupling part at least, on described sleeve part, be provided with along the radial direction of sleeve part jackscrew to the inside of sleeve part pushing tow, wherein this jackscrew is threaded on the sleeve part, it is characterized in that, be provided with spherical recess in telescopic inside, in spherical recess, be embedded with the elasticity lining ring, described elasticity lining ring is arranged to have the circle or the C shape of peristome, the lateral surface of described elasticity lining ring forms the spherical protuberance that matches with described spherical recess, the medial surface of described elasticity lining ring forms the inner cylinder face that can cooperate with a rod-like members, and the end roof pressure of described jackscrew is on the lateral surface of elasticity lining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201088429U CN201230901Y (en) | 2008-06-26 | 2008-06-26 | Sleeve link structure and module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201088429U CN201230901Y (en) | 2008-06-26 | 2008-06-26 | Sleeve link structure and module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201230901Y true CN201230901Y (en) | 2009-05-06 |
Family
ID=40617275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201088429U Expired - Lifetime CN201230901Y (en) | 2008-06-26 | 2008-06-26 | Sleeve link structure and module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201230901Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349030A (en) * | 2016-05-09 | 2017-11-17 | 重庆润泽医药有限公司 | Porous metals rod |
-
2008
- 2008-06-26 CN CNU2008201088429U patent/CN201230901Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107349030A (en) * | 2016-05-09 | 2017-11-17 | 重庆润泽医药有限公司 | Porous metals rod |
| CN107349030B (en) * | 2016-05-09 | 2020-11-20 | 重庆润泽医药有限公司 | Porous metal rod |
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