CN204797941U - Medical operation guider - Google Patents
Medical operation guider Download PDFInfo
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- CN204797941U CN204797941U CN201520386160.4U CN201520386160U CN204797941U CN 204797941 U CN204797941 U CN 204797941U CN 201520386160 U CN201520386160 U CN 201520386160U CN 204797941 U CN204797941 U CN 204797941U
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- medical operation
- guide section
- diameter
- beeline channel
- guider
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Abstract
The utility model provides a medical operation guider, when needs are drilld on acetabular bone nest, insert the screw hole of acetabular bone cup false body with the tail end of guide bar in, the drill bit is drilld to the acetabular bone nest after passing the sharp passageway in the guide bar. Since the external diameter of second direction section from the one end is connected with third direction section to with the first direction section one end of being connected grow gradually, the screw hole of the laminating acetabular bone cup false body that the guide bar can be fine from this to the drill bit that the guide bar can pass sharp passageway in it makes the drill bit be in with fine support it is just right with the screw hole of acetabular bone cup false body that the position that will hole is gone up to acetabular bone nest, can make the acetabular bone hold the position in screwing hole promptly and correspond the perfect fitting with screw hole position on the acetabular bone cup false body. Therefore, medical operation guider can make things convenient for very much through using, accurate location acetabular bone nest screw hole position.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly a kind of medical operation guider.
Background technology
In the operation of Micro trauma whole coxa substitution, acetabular cup prosthesis is when implanting, and need to implant acetabular bone screw and fix acetabular cup prosthesis on acetabular fossa, this just needs, and the position of acetabular fossa upper bolt aperture is corresponding with the screw hole location on acetabular cup prosthesis to be coordinated completely.Therefore, the precision of the screw hole location obtained when acetabular fossa is holed just has become to affect the deciding factor of acetabular cup prosthesis and acetabular fossa fixing situation, and this also will directly have influence on the effect of operation simultaneously.But in the prior art, the precision of acetabular fossa upper bolt aperture position is held by the experience of operative doctor entirely, so both adds operating difficulty, also makes the precision of acetabular fossa upper bolt aperture position not high enough.
Therefore, how a kind of operation tool is provided, it can accurately locate acetabular fossa screw hole location, thus the position realizing acetabular fossa upper bolt aperture is corresponding with the screw hole location on acetabular cup prosthesis coordinates completely, the difficult problem having become those skilled in the art urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of medical operation guider, to solve in prior art, the precision of acetabular fossa upper bolt aperture position is held by the experience of operative doctor entirely, the problem that operating difficulty precision that is large and acetabular fossa upper bolt aperture position is not high enough.
For solving the problems of the technologies described above, this utility model provides a kind of medical operation guider, and described medical operation drill bushing comprises: guide post, and described guide post inside has a beeline channel; Described guide post comprises the first guide section, the second guide section and the 3rd guide section that connect successively, and wherein, the free end of described first guide section is head end, and the free end of described 3rd guide section is tail end; Outer one end be connected with described 3rd guide section without leave of described second guide section becomes large gradually to the one end be connected with described first guide section.
Optionally, in described medical operation guider, the diameter of described beeline channel diminishes to described tail end gradually from described head end.
Optionally, in described medical operation guider, described beeline channel comprises the first paragraph near described head end and the second segment near described tail end, wherein, the diameter of the optional position of described first paragraph is identical, the diameter of the optional position of described second segment is identical, and the diameter of described first paragraph is larger than the diameter of described second segment.
Optionally, in described medical operation guider, described beeline channel also comprises the 3rd section, and described first paragraph is connected by described 3rd section with described second segment, and the diameter of described 3rd section diminishes to the one end be connected with described second segment gradually from the one end be connected with described first paragraph.
Optionally, in described medical operation guider, described first paragraph is directly connected with described second segment.
Optionally, in described medical operation guider, described guide post inside has an opening, described opening is near described head end, described opening is communicated with described beeline channel, and described opening surface to open and the diameter of described opening optional position is larger than the diameter of described beeline channel optional position to described head end.
Optionally, in described medical operation guider, the surface of the described tail end of described guide post is arc surface.
Optionally, in described medical operation guider, the surface of described second guide section is arc surface.
Optionally, in described medical operation guider, the outer surface of described first guide section is provided with anti-skid structure.
Optionally, in described medical operation guider, described anti-skid structure is striated structure or network.
Optionally, in described medical operation guider, the external diameter of the optional position of described first guide section is identical; The external diameter of the optional position of described 3rd guide section is identical.
Optionally, in described medical operation guider, the length of described 3rd guide section is 0.5mm ~ 1mm.
Optionally, in described medical operation guider, the length of described second guide section is 2mm ~ 3mm.
Optionally, in described medical operation guider, the length of described guide post is 180mm ~ 200mm.
Optionally, in described medical operation guider, the external diameter of described guide post is 6mm ~ 8mm.
Optionally, in described medical operation guider, the diameter of described beeline channel is 3mm ~ 5mm.
Optionally, described medical operation guider is drill bushing.
The medical operation drill bushing provided by this utility model, when needs are holed on acetabular fossa, inserted by the tail end of guide post in the screw hole of acetabular cup prosthesis, drill bit is holed to acetabular fossa through after the beeline channel in guide post.Because outer one end be connected with the 3rd guide section without leave of the second guide section becomes large gradually to the one end be connected with the first guide section, guide post can be good at the screw hole of laminating acetabular cup prosthesis thus, thus guide post can give drill bit through beeline channel in it well to support, the position that drill bit will be holed on described acetabular fossa and the screw hole of acetabular cup prosthesis just right, namely can make that the position of acetabular fossa upper bolt aperture is corresponding with the screw hole location on acetabular cup prosthesis to be coordinated completely.As can be seen here, by using medical operation drill bushing can very convenient, accurate location acetabular fossa screw hole location, both having reduced operation (boring) difficulty, and also having made the precision of acetabular fossa upper bolt aperture position very high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the medical operation drill bushing of this utility model embodiment;
Fig. 2 is the enlarged diagram of structure A in the medical operation drill bushing shown in Fig. 1;
Fig. 3 is the enlarged diagram of structure B in the medical operation drill bushing shown in Fig. 1;
Fig. 4 is the enlarged diagram of structure C in the medical operation drill bushing shown in Fig. 1;
Fig. 5 is the use schematic diagram of the medical operation drill bushing shown in Fig. 1;
Fig. 6 is a kind of beeline channel schematic diagram of this utility model embodiment;
Fig. 7 is the another kind of beeline channel schematic diagram of this utility model embodiment;
Fig. 8 is the another kind of beeline channel schematic diagram of this utility model embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the medical operation drill bushing that the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, aid illustration this utility model embodiment lucidly.
Please refer to Fig. 1 to Fig. 4, wherein, Fig. 1 is the structural representation of the medical operation drill bushing of this utility model embodiment; Fig. 2 is the enlarged diagram of structure A in the medical operation drill bushing shown in Fig. 1; Fig. 3 is the enlarged diagram of structure B in the medical operation drill bushing shown in Fig. 1; Fig. 4 is the enlarged diagram of structure C in the medical operation drill bushing shown in Fig. 1.As shown in Figures 1 to 4, described medical operation drill bushing 1 comprises: guide post 10, and described guide post 10 inside has a beeline channel 11; The 3rd guide section 102 that described guide post 10 comprises the first guide section 100, the second guide section 101 be connected with described first guide section 100 and is connected with described second guide section 101, wherein, the free end of described first guide section 100 is head end 103, and the free end of described 3rd guide section 102 is tail end 104; Outer one end be connected with described 3rd guide section 102 without leave of described second guide section 101 becomes large gradually to the one end be connected with described first guide section 100.
Please refer to Fig. 5, it is the use schematic diagram of the medical operation drill bushing shown in Fig. 1.Composition graphs 1 to Fig. 5, when needs are holed on acetabular fossa, inserts in the screw hole 5 of acetabular cup prosthesis 4 by the tail end 104 of guide post 10, and drill bit 2 is holed to acetabular fossa through after the beeline channel 11 in guide post 10.Because outer one end be connected with the 3rd guide section 102 without leave of the second guide section 101 becomes large gradually to the one end be connected with the first guide section 100, guide post 10 can be good at the screw hole 5 of laminating acetabular cup prosthesis 4 thus, thus guide post 10 can give drill bit 2 through beeline channel in it 11 well to support, the position that drill bit 2 will be holed on described acetabular fossa and the screw hole 5 of acetabular cup prosthesis 4 just right, namely can make that the position of acetabular fossa upper bolt aperture is corresponding with screw hole 5 position on acetabular cup prosthesis 4 to be coordinated completely.Especially, by the support of guide post 10, the direction that drill bit 2 is holed is vertical with the sphere of acetabular cup prosthesis 4, thus by after screw lock, more stable between acetabular cup prosthesis 4 and acetabular fossa 5.As can be seen here, by using medical operation drill bushing 1 can very convenient, accurate location acetabular fossa screw hole location, both having reduced operation (boring) difficulty, and also having made the precision of acetabular fossa upper bolt aperture position very high.
Then, please continue to refer to Fig. 1 to Fig. 4, the present embodiment will be described further described medical operation drill bushing 1.
Shown in composition graphs 1 and Fig. 2, in the embodiment of the present application, described guide post 10 inside has an opening 12, described opening 12 is near described head end 103, described opening 12 is communicated with described beeline channel 11, and described opening 12 opens (namely the diameter of described opening 12 near one end of described head end 103 is larger than the diameter of the one end near described tail end 104) and the diameter of described opening 12 optional position is larger than the diameter of described beeline channel 11 optional position towards described head end 103.By described opening 12, drill bit can insert in described beeline channel 11 very easily, thus is convenient to hole on acetabular fossa.
Further, incorporated by reference to Fig. 1 and Fig. 3, in the embodiment of the present application, described beeline channel 11 comprises the first paragraph 110 near described head end 103 and the second segment 111 near described tail end 104, wherein, the diameter of described first paragraph 110 optional position is identical (namely described first paragraph 110 is a cylindrical channel), the diameter of described second segment 111 optional position is identical (namely described second segment 111 is similarly a cylindrical channel), the diameter of described first paragraph 110 is than the diameter large (namely the diameter of described first paragraph 110 optional position is larger than the diameter of described second segment 111 optional position) of described second segment 111.At this, described first paragraph 110 is directly connected with described second segment 111.By described beeline channel 11 is designed to two-stage structure, and it is larger than the diameter of the second segment 111 of close tail end 104 near the diameter of the first paragraph 110 of head end 103, both drill bit can have been made to pass in beeline channel 11 easily, can to be fitted drill bit and make guide post 10 give drill bit well to support by beeline channel 11 back segment (i.e. second segment 111) again, thus the screw hole that drill bit is bored on acetabular fossa is corresponding with the screw hole location on acetabular cup prosthesis coordinates completely.
In order to further illustrate the shape of described beeline channel 11 in the present embodiment, the application gives Fig. 6, and Fig. 6 only schematically illustrates the structure of medical operation drill bushing 1 cathetus passage 11 part.As shown in Figure 6, can be clearly seen that, said beeline channel 10 only comprises connected first paragraph 110 and second segment 111, and wherein the diameter of first paragraph 110 is greater than second segment 111.
In other embodiments of the application, described beeline channel 11 also can have different implementations.The application in turn gives the different structure of Fig. 7 and Fig. 8 two kinds.
Concrete, as shown in Figure 7, at this, described beeline channel 11 not only comprises the first paragraph 110 near described head end 103 and the second segment 111 near described tail end 104, wherein, the diameter of described first paragraph 110 optional position is identical, and the diameter of described second segment 111 optional position is identical, and the diameter of described first paragraph 110 is larger than the diameter of described second segment 111; Also comprise the 3rd section 112, described first paragraph 110 is connected by described 3rd section 112 with described second segment 111, and the diameter of described 3rd section 112 diminishes to the one end be connected with described second segment 111 gradually from the one end be connected with described first paragraph 110.Preferably, described first paragraph 110 (diameter) level and smooth has been transitioned into described second segment 111 (diameter) by described 3rd section 112.At this, can make to hole by described 3rd section 112 unobstructed enters second segment 111 from first paragraph 110, thus guide post 10 can either be made to give drill bit well to support, and can make again drill bit passing easily and fast in beeline channel 11.
Please refer to Fig. 8, it is the implementation of another kind of beeline channel 11.Beeline channel 11 shown in Fig. 8 and the beeline channel 11 shown in Fig. 6 and Fig. 7 exist larger different, it is not realized by the mode of multistage, beeline channel 11 shown in whole Fig. 8 can think one-part form structure, and its diameter diminishes to described tail end 104 gradually from described head end 103.Thus, the beeline channel 11 shown in Fig. 8 can either make guide post 10 give drill bit to support preferably, can make again drill bit passing easily and fast in beeline channel 11.
Foregoing merely illustrate several specific implementations of beeline channel 11, it can also adopt other implementations, such as, it still can adopt two-part structure, wherein, adopt the second segment 111 shown in Fig. 6 or Fig. 7 near one section of tail end, and adopt the 3rd shown in Fig. 7 sections 112 near a section of head end, also can extraordinary realization guide post 10 can either be made to give drill bit well to support thus, drill bit passing easily and fast in beeline channel 11 can be made again.Believe that those skilled in the art can make more kinds of distortion of beeline channel on this basis, the application does not limit this.
Then, please continue to refer to Fig. 1 and Fig. 4, by the structure for amplifying of Fig. 4, clearerly can see the shape of the 3rd guide section 102 and the second guide section 101, wherein, the external diameter of the optional position of described 3rd guide section 102 identical (namely the outer surface of described 3rd guide section 102 is cylindrical).Consider the degree of depth of the screw hole of acetabular cup prosthesis, preferably, the length of described 3rd guide section 102 is 0.5mm ~ 1mm, and the length of described second guide section 101 is 2mm ~ 3mm.Further, consider that the sidewall of the screw hole of acetabular cup prosthesis is generally arc surface, therefore, the surface of described second guide section 101 is preferably arc surface, thus better can fit with the screw hole of acetabular cup prosthesis, and then make guide post 10 can to the drill bit through beeline channel 11 in it better to support, realize that screw hole that drill bit bores on acetabular fossa is corresponding with the screw hole location on acetabular cup prosthesis to be coordinated completely.
Further, from the structure for amplifying of Fig. 4, in the embodiment of the present application, tail end 104 surface (i.e. the bottom surface of described guide post 10) of described guide post 10 is arc surface, and the tail end 104 of described guide post 10 can be avoided thus to injure acetabular cup prosthesis.
Please continue to refer to Fig. 1, in the embodiment of the present application, described guide post 10 is also provided with anti-skid structure 13, especially, described anti-skid structure 13 is positioned on the outer surface of described first guide section 100.Preferably, described anti-skid structure is striated structure or network etc., namely by annular knurl to increase frictional force, play anti-skidding effect, this application repeated no more.
Wherein, described medical operation drill bushing 1 in use, second guide section 101 and the 3rd guide section 102 all will be positioned at human body, operator realizes mainly through holding the first guide section 100 for the assurance of medical operation drill bushing 1, therefore, only anti-skid structure 13 is set on the first guide section 100.In the embodiment of the present application, the external diameter of described first guide section 100 optional position is identical (namely the shape of described first guide section 100 is cylindrical), also convenient operation person can grip guide post 10 thus.
Further, consider that described guide post 10 enters into the gripping degree of convenience of the degree of depth in human body and described guide post 10, preferably, the length of described guide post 10 is 180mm ~ 200mm.
In addition, in order to coordinate with existing bit diameter, can to fit preferably drill bit to make described guide post 10, thus give drill bit well to support, preferably, the diameter of described beeline channel 10 is 3mm ~ 5mm, and namely the diameter of described beeline channel 11 optional position is 3mm ~ 5mm.
In existing hip replacement minimally invasive surgery, in step before acetabular fossa is holed, usually a sheath (sheath 3 as shown in Figure 5) will be left in human body, when the medical operation drill bushing 1 using the application to provide, both described sheath can be taken away, also described sheath can be stayed.When being stayed by described sheath, in order to coordinate with described sheath, preferably, the external diameter of described guide post 10 is 6mm ~ 8mm, and namely the external diameter of described guide post 10 optional position is 6mm ~ 8mm.
As fully visible, the medical operation drill bushing provided by this utility model embodiment, when needs are holed on acetabular fossa, inserted by the tail end of guide post in the screw hole of acetabular cup prosthesis, drill bit is holed to acetabular fossa through after the beeline channel in guide post.Because outer one end be connected with the 3rd guide section without leave of the second guide section becomes large gradually to the one end be connected with the first guide section, guide post can be good at the screw hole of laminating acetabular cup prosthesis thus, thus guide post can give drill bit through beeline channel in it well to support, the position that drill bit will be holed on described acetabular fossa and the screw hole of acetabular cup prosthesis just right, namely can make that the position of acetabular fossa upper bolt aperture is corresponding with the screw hole location on acetabular cup prosthesis to be coordinated completely.As can be seen here, by using medical operation drill bushing can very convenient, accurate location acetabular fossa screw hole location, both having reduced operation (boring) difficulty, and also having made the precision of acetabular fossa upper bolt aperture position very high.Certainly, the drill bushing structure that the present embodiment provides, after with reference to the present embodiment, also can be applied on other guiders by those skilled in the art, and to realize the effect of location, registration, this utility model does not limit this.
Foregoing description is only the description to this utility model preferred embodiment; any restriction not to this utility model scope; any change that the those of ordinary skill in this utility model field does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (17)
1. a medical operation guider, is characterized in that, comprising: guide post, and the inside of described guide post has a beeline channel; Described guide post comprises the first guide section, the second guide section and the 3rd guide section that connect successively, and wherein, the free end of described first guide section is head end, and the free end of described 3rd guide section is tail end; Outer one end be connected with described 3rd guide section without leave of described second guide section becomes large gradually to the one end be connected with described first guide section.
2. medical operation guider as claimed in claim 1, it is characterized in that, the diameter of described beeline channel diminishes to described tail end gradually from described head end.
3. medical operation guider as claimed in claim 1, it is characterized in that, described beeline channel comprises the first paragraph near described head end and the second segment near described tail end, wherein, the diameter of the optional position of described first paragraph is identical, the diameter of the optional position of described second segment is identical, and the diameter of described first paragraph is larger than the diameter of described second segment.
4. medical operation guider as claimed in claim 3, it is characterized in that, described beeline channel also comprises the 3rd section, described first paragraph is connected by described 3rd section with described second segment, and the diameter of described 3rd section diminishes to the one end be connected with described second segment gradually from the one end be connected with described first paragraph.
5. medical operation guider as claimed in claim 3, it is characterized in that, described first paragraph is directly connected with described second segment.
6. the medical operation guider according to any one of Claims 1 to 5, it is characterized in that, described guide post inside has an opening, described opening is near described head end, described opening is communicated with described beeline channel, and described opening surface to open and the diameter of described opening optional position is larger than the diameter of described beeline channel optional position to described head end.
7. the medical operation guider according to any one of Claims 1 to 5, is characterized in that, the surface of the described tail end of described guide post is arc surface.
8. the medical operation guider according to any one of Claims 1 to 5, is characterized in that, the surface of described second guide section is arc surface.
9. the medical operation guider according to any one of Claims 1 to 5, is characterized in that, the outer surface of described first guide section is provided with anti-skid structure.
10. medical operation guider as claimed in claim 9, it is characterized in that, described anti-skid structure is striated structure or network.
11. medical operation guiders according to any one of Claims 1 to 5, it is characterized in that, the external diameter of the optional position of described first guide section is identical; The external diameter of the optional position of described 3rd guide section is identical.
12. medical operation guiders according to any one of Claims 1 to 5, it is characterized in that, the length of described 3rd guide section is 0.5mm ~ 1mm.
13. medical operation guiders according to any one of Claims 1 to 5, it is characterized in that, the length of described second guide section is 2mm ~ 3mm.
14. medical operation guiders according to any one of Claims 1 to 5, it is characterized in that, the length of described guide post is 180mm ~ 200mm.
15. medical operation guiders according to any one of Claims 1 to 5, it is characterized in that, the external diameter of described guide post is 6mm ~ 8mm.
16. medical operation guiders according to any one of Claims 1 to 5, it is characterized in that, the diameter of described beeline channel is 3mm ~ 5mm.
17. medical operation guiders according to any one of Claims 1 to 5, it is characterized in that, described medical operation guider is drill bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386160.4U CN204797941U (en) | 2015-06-05 | 2015-06-05 | Medical operation guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386160.4U CN204797941U (en) | 2015-06-05 | 2015-06-05 | Medical operation guider |
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| Publication Number | Publication Date |
|---|---|
| CN204797941U true CN204797941U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520386160.4U Active CN204797941U (en) | 2015-06-05 | 2015-06-05 | Medical operation guider |
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| CN (1) | CN204797941U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618671A (en) * | 2016-10-18 | 2017-05-10 | 北京大学第三医院 | Positioning guider for articular cartilage repair and application thereof |
| CN110537954A (en) * | 2019-08-27 | 2019-12-06 | 谢军 | Drill bit for total hip joint replacement minimally invasive surgery |
| CN111975296A (en) * | 2020-08-11 | 2020-11-24 | 杭州锐健医疗股份有限公司 | Machining method of drill guide with eccentric teeth in knee joint operation |
-
2015
- 2015-06-05 CN CN201520386160.4U patent/CN204797941U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618671A (en) * | 2016-10-18 | 2017-05-10 | 北京大学第三医院 | Positioning guider for articular cartilage repair and application thereof |
| CN106618671B (en) * | 2016-10-18 | 2024-03-29 | 北京大学第三医院 | Positioning guide for articular cartilage repair and application thereof |
| CN110537954A (en) * | 2019-08-27 | 2019-12-06 | 谢军 | Drill bit for total hip joint replacement minimally invasive surgery |
| CN111975296A (en) * | 2020-08-11 | 2020-11-24 | 杭州锐健医疗股份有限公司 | Machining method of drill guide with eccentric teeth in knee joint operation |
| CN111975296B (en) * | 2020-08-11 | 2022-03-18 | 杭州锐健医疗股份有限公司 | Machining method of drill guide with eccentric teeth in knee joint operation |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20181220 Address after: Room 316, No. 112, Fangzhong Street, Suzhou Industrial Park, Jiangsu Province Patentee after: MICROPORT SUZHOU ORTHORECON CO., LTD. Address before: 201318 twenty-third, 1-28 Lane 588, Tian Xiong Road, Zhou Pu town, Pudong New Area, Shanghai Patentee before: Shanghai MicroPort Orthopedics Co., Ltd. |