CN204133514U - Rib spreader - Google Patents
Rib spreader Download PDFInfo
- Publication number
- CN204133514U CN204133514U CN201420646589.8U CN201420646589U CN204133514U CN 204133514 U CN204133514 U CN 204133514U CN 201420646589 U CN201420646589 U CN 201420646589U CN 204133514 U CN204133514 U CN 204133514U
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- CN
- China
- Prior art keywords
- struts
- galianconism
- rib
- bending
- arm component
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Abstract
This utility model relates to rib spreader.Rigid staybolt open arms comprises one and fixedly struts galianconism, this fixedly struts galianconism one end and is fixedly connected on installing plate one end, fixedly strut the galianconism other end to be articulated with the first bending by pivot and to strut arm component, first bending struts arm component and fixedly struts between galianconism and relatively can bend adjustment, and the first bending struts on arm component and is provided with first rib hamulus of hamate bone; Flexible staybolt open arms comprises an activity and struts galianconism, this activity struts galianconism one end and is flexibly connected on a mounting board, activity struts galianconism and can move along installing plate under spreading mechanism effect, activity struts the galianconism other end and is articulated with the second bending by pivot and struts arm component, second bending struts arm component and struts between galianconism relatively can bend adjustment with activity, and the second bending struts on arm component and is provided with second rib hamulus of hamate bone.This utility model reasonable in design, adjustability is strong, and has elastic buffer, rib can be avoided to strut unbalance stress in process, avoid rib impaired.
Description
Technical field
This utility model relates to a kind of device for strutting rib used when thoracic surgery, and specifically a kind of rib spreader, belongs to technical field of medical instruments.
Background technology
In thoracic surgery, usually need opening between rib, with rib spreader, rib is strutted.Rib spreader public at present comprises rigid staybolt open arms, flexible staybolt open arms, installing plate and spreading mechanism, rigid staybolt open arms and flexible staybolt open arms arranged in parallel and be connected on same installing plate, rigid staybolt open arms and flexible staybolt open arms can under spreading mechanism effect in opposite directions near or oppositely away from, rigid staybolt open arms is installed first rib hamulus of hamate bone, flexible staybolt open arms is installed second rib hamulus of hamate bone.During use, first rib hamulus of hamate bone, second rib hamulus of hamate bone are hooked on respectively to be needed between two ribs strutting, when two strut arm oppositely away from time, rib is softened.But there is following shortcoming in existing rib spreader: 1, due in the process strutting rib, rigid staybolt open arms and flexible staybolt open arms are parallel all the time, but rib is not parallel to each other when strutting, be easy to like this cause rib unbalance stress, cause rib to sustain damage even to rupture, add the misery of patient.2, existing rigid staybolt open arms and flexible staybolt open arms shape are fixing (straight or have stationary curved radian), can not adjust according to the ribbed shape of different patient, there is the situation misfitted, this also can cause rib unbalance stress, causes rib to sustain damage and even ruptures.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of rib spreader is provided, its reasonable in design, adjustability is strong, and there is elastic buffer, rib can be avoided to strut unbalance stress in process, avoid occurring that rib sustains damage the situation even ruptured, operation is completed better more smoothly, is beneficial to the rehabilitation after operation in patients.
Technical scheme according to this utility model provides: rib spreader, comprise rigid staybolt open arms, flexible staybolt open arms, installing plate and spreading mechanism, rigid staybolt open arms and flexible staybolt open arms arranged in parallel and be connected on same installing plate, rigid staybolt open arms and flexible staybolt open arms can under spreading mechanism effect in opposite directions near or oppositely away from, rigid staybolt open arms is installed first rib hamulus of hamate bone, flexible staybolt open arms is installed second rib hamulus of hamate bone, it is characterized in that: described rigid staybolt open arms comprises one and fixedly struts galianconism, this fixedly struts galianconism one end and is fixedly connected on installing plate one end, fixedly strut the galianconism other end to be articulated with the first bending by pivot and to strut arm component, first bending struts arm component and fixedly struts between galianconism and relatively can bend adjustment, first bending struts on arm component and is provided with first rib hamulus of hamate bone, described flexible staybolt open arms comprises an activity and struts galianconism, this activity struts galianconism one end and is flexibly connected on a mounting board, activity struts galianconism and can move along installing plate under spreading mechanism effect, described activity struts the galianconism other end and is articulated with the second bending by pivot and struts arm component, second bending struts arm component and struts between galianconism relatively can bend adjustment with activity, and the second bending struts on arm component and is provided with second rib hamulus of hamate bone.
As further improvement of the utility model, described first bending struts arm component and the adjustable bending angle scope fixedly strutted between galianconism is ± 30 degree; Described second bending struts the adjustable bending angle scope that arm component and activity strut between galianconism and is ± 30 degree.
As further improvement of the utility model, described first bending struts arm component and comprises at least one joint and strut arm by the short of pivot pivot joint, be positioned at the short of end strut arm and fixedly strut galianconism by pivot pivot joint, adjacent short strutting between arm can bend adjustment relatively, and the first bending short strutting on arm of often joint strutted in arm component is provided with first rib hamulus of hamate bone; The structure and first that described second bending struts arm component bends that to strut arm component identical, and second bends short the strutting on arm of often joint strutted in arm component is provided with second rib hamulus of hamate bone.
As further improvement of the utility model, the described adjacent short adjustable bending angle scope strutted between arm is ± 30 degree.
As further improvement of the utility model, described first bending struts arm component, to strut arm component be all strut arm composition primarily of two joints by pivot pivot joint short in the second bending.
As further improvement of the utility model, described first rib hamulus of hamate bone comprises coupler body, flexible member and hard plate, the shank of described coupler body is fixedly connected in rigid staybolt open arms, the hook part of coupler body is provided with cavity, cavity opening part is provided with chuck, and described flexible member to be contained in cavity and to seal with hard plate, and hard plate is placed in cavity, hard plate edge coordinates with chuck locates, hard plate exterior surface rib during use; Described second rib hamulus of hamate bone is identical with first rib hamulus of hamate bone structure, and during installation, second rib hamulus of hamate bone and first rib hamulus of hamate bone are arranged symmetrically with dorsad.
As further improvement of the utility model, the outer surface of described hard plate is provided with cushion.
As further improvement of the utility model, described flexible member is mainly made up of one or more spring be evenly arranged in cavity.
As further improvement of the utility model, described installing plate is rack-plate, described spreading mechanism comprises thumb wheel and rocking bar, thumb wheel is arranged on activity and struts on galianconism, thumb wheel is provided with core wheel intermeshing with the teeth on rack-plate, and rocking bar one end is connected on thumb wheel, and rocking bar drives thumb wheel to rotate, the core wheel of thumb wheel coordinates with the teeth of installing plate, and driving activity struts galianconism and moves along the length direction of rack-plate.
compared with prior art, tool has the following advantages this utility model: this utility model reasonable in design, the shape of rigid staybolt open arms can regulate according to individual patients, and first rib hamulus of hamate bone and second rib hamulus of hamate bone all arrange flexible member, there is elastic buffer effect, rib can be avoided to strut unbalance stress in process, avoid occurring that rib sustains damage the situation even ruptured, operation is completed better more smoothly, is beneficial to the rehabilitation after operation in patients.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is that the A at pivot joint position in Fig. 1 is to structure for amplifying schematic diagram.
Fig. 3 is the decomposing schematic representation of Fig. 2.
Fig. 4 is that the B of first rib hamulus of hamate bone in Fig. 1 is to structure for amplifying schematic diagram.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure: the rib spreader in embodiment forms primarily of rigid staybolt open arms 1, flexible staybolt open arms 2, installing plate 3 and spreading mechanism, rigid staybolt open arms 1 is arranged in parallel and be connected on same installing plate 3 with flexible staybolt open arms 2, rigid staybolt open arms 1 and flexible staybolt open arms 2 can under spreading mechanism effect in opposite directions near or oppositely away from, rigid staybolt open arms 1 is installed first rib hamulus of hamate bone 4, flexible staybolt open arms 2 is installed second rib hamulus of hamate bone 5.
As shown in Fig. 1 ~ 3, in this utility model embodiment, described rigid staybolt open arms 1 mainly comprises one and fixedly struts galianconism 1a, this fixedly struts galianconism 1a one end and is fixedly connected on installing plate 3 one end, fixedly strut the galianconism 1a other end to be articulated with the first bending by pivot 6 and to strut arm component 1b, first bending struts arm component 1b and fixedly struts between galianconism 1a and relatively can bend adjustment, and adjustable bending angle scope is ± 30 degree; Described first bending struts arm component 1b and mainly consists of the short arm 7 that struts of pivot 6 pivot joint two joints, wherein a joint is short struts arm 7 and fixedly struts galianconism 1a by pivot 6 pivot joint, short the strutting between arm 7 of two joints can bend adjustment relatively, adjustable bending angle scope is ± 30 degree, and the first bending short strutting on arm 7 of often joint strutted in arm component 1b is provided with first rib hamulus of hamate bone 4.
As shown in Fig. 1 ~ 3, in this utility model embodiment, described flexible staybolt open arms 2 comprises an activity and struts galianconism 2a, and this activity struts galianconism 2a one end and is movably connected on installing plate 3, and activity struts galianconism 2a and can move along installing plate 3 under spreading mechanism effect; Described activity struts the galianconism 2a other end and is articulated with the second bending by pivot 6 and struts arm component 2b, and the second bending struts arm component 2b and struts between galianconism 2a relatively can bend adjustment with activity, and adjustable bending angle scope is ± 30 degree; The structure and first that described second bending struts arm component 2b bends that to strut arm component 1b identical, and second bends short the strutting on arm 7 of often joint strutted in arm component 2b is provided with second rib hamulus of hamate bone 5.
As Figure 1 and Figure 4, in this utility model embodiment, described first rib hamulus of hamate bone 4 forms primarily of coupler body 8, flexible member 9 and hard plate 10, the shank 8a of described coupler body 8 is fixedly connected in rigid staybolt open arms 1, and the hook part 8b of coupler body 8 is provided with cavity 8c, and cavity 8c opening part is provided with chuck 8d, described flexible member 9 is contained in cavity 8c and also seals with hard plate 10, hard plate 10 is placed in cavity 8c, and hard plate 10 edge coordinates with chuck 8d locates, hard plate 10 exterior surface rib during use; Described second rib hamulus of hamate bone 5 is identical with first rib hamulus of hamate bone 4 structure, and during installation, second rib hamulus of hamate bone 5 and first rib hamulus of hamate bone 4 are arranged symmetrically with dorsad.
As Figure 1 and Figure 4, in this utility model embodiment, for protecting patient better, described hard plate 10 outer surface preferably arranges the cushion 11 meeting medical requirement.Described flexible member 9 can adopt existing conventional products, as being made up of one or more spring be evenly arranged in cavity 8c.
Expanding structure in this utility model can adopt the conventional structure of existing rib spreader.The expanding structure that this utility model embodiment provides as shown in Figure 1, described installing plate 3 is rack-plate, described spreading mechanism comprises thumb wheel 12 and rocking bar 13, thumb wheel 12 is arranged on activity and struts on galianconism 2a, thumb wheel 12 is provided with core wheel intermeshing with the teeth on rack-plate, and rocking bar 13 one end is connected on thumb wheel 12, and rocking bar 13 drives thumb wheel 12 to rotate, the core wheel of thumb wheel 12 coordinates with the teeth of installing plate 3, and driving activity struts galianconism 2a and moves along the length direction of installing plate 3.
Claims (9)
1. rib spreader, comprise rigid staybolt open arms (1), flexible staybolt open arms (2), installing plate (3) and spreading mechanism, rigid staybolt open arms (1) and flexible staybolt open arms (2) are arranged in parallel and be connected on same installing plate (3), rigid staybolt open arms (1) and flexible staybolt open arms (2) can under spreading mechanism effect in opposite directions near or oppositely away from, rigid staybolt open arms (1) is upper installs first rib hamulus of hamate bone (4), flexible staybolt open arms (2) is upper installs second rib hamulus of hamate bone (5), it is characterized in that: described rigid staybolt open arms (1) comprises one and fixedly struts galianconism (1a), this fixedly struts galianconism (1a) one end and is fixedly connected on installing plate (3) one end, fixedly strut galianconism (1a) other end to be articulated with the first bending to strut arm component (1b) by pivot (6), first bending struts arm component (1b) and fixedly struts between galianconism (1a) and relatively can bend adjustment, first bending struts on arm component (1b) and is provided with first rib hamulus of hamate bone (4), described flexible staybolt open arms (2) comprises an activity and struts galianconism (2a), this activity struts galianconism (2a) one end and is movably connected on installing plate (3), activity struts galianconism (2a) can be mobile along installing plate (3) under spreading mechanism effect, described activity struts galianconism (2a) other end and is articulated with the second bending is strutted arm component (2b) by pivot (6), second bending struts arm component (2b) and struts between galianconism (2a) relatively can bend adjustment with activity, and the second bending struts on arm component (2b) and is provided with second rib hamulus of hamate bone (5).
2. rib spreader as claimed in claim 1, is characterized in that: described first bending struts arm component (1b) and the adjustable bending angle scope fixedly strutted between galianconism (1a) is ± 30 degree; Described second bending struts the adjustable bending angle scope that arm component (2b) and activity strut between galianconism (2a) and is ± 30 degree.
3. rib spreader as claimed in claim 1, it is characterized in that: described first bending struts arm component (1b) and comprises at least one joint and strut arm (7) by the short of pivot (6) pivot joint, be positioned at the short of end strut arm (7) and fixedly strut galianconism (1a) by pivot (6) pivot joint, adjacent short strutting between arm (7) can bend adjustment relatively, and the first bending short strutting on arm (7) of often joint strutted in arm component (1b) is provided with first rib hamulus of hamate bone (4); The structure and first that described second bending struts arm component (2b) bends that to strut arm component (1b) identical, and second bends short the strutting on arm (7) of often joint strutted in arm component (2b) is provided with second rib hamulus of hamate bone (5).
4. rib spreader as claimed in claim 3, is characterized in that: the described adjacent short adjustable bending angle scope strutted between arm (7) is ± 30 degree.
5. rib spreader as claimed in claim 3, is characterized in that: described first bending struts arm component (1b), to strut arm component (2b) be all strut arm (7) composition primarily of two joints by the short of pivot (6) pivot joint in the second bending.
6. rib spreader as claimed in claim 1, it is characterized in that: described first rib hamulus of hamate bone (4) comprises coupler body (8), flexible member (9) and hard plate (10), the shank (8a) of described coupler body (8) is fixedly connected in rigid staybolt open arms (1), the hook part (8b) of coupler body (8) is provided with cavity (8c), cavity (8c) opening part is provided with chuck (8d), described flexible member (9) is contained in cavity (8c) and also seals with hard plate (10), hard plate (10) is placed in cavity (8c), hard plate (10) edge coordinates with chuck (8d) locates, hard plate (10) exterior surface rib during use.
7. rib spreader as claimed in claim 6, is characterized in that: described hard plate (10) outer surface is provided with cushion (11).
8. rib spreader as claimed in claim 6, is characterized in that: described flexible member (9) is mainly made up of one or more spring be evenly arranged in cavity (8c).
9. rib spreader as claimed in claim 1, it is characterized in that: described installing plate (3) is rack-plate, described spreading mechanism comprises thumb wheel (12) and rocking bar (13), thumb wheel (12) activity of being arranged on struts on galianconism (2a), thumb wheel (12) is provided with core wheel intermeshing with the teeth on rack-plate, rocking bar (13) one end is connected on thumb wheel (12), rocking bar (13) drives thumb wheel (12) to rotate, the core wheel of thumb wheel (12) coordinates with the teeth of installing plate (3), and driving activity struts galianconism (2a) and moves along the length direction of rack-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646589.8U CN204133514U (en) | 2014-10-31 | 2014-10-31 | Rib spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646589.8U CN204133514U (en) | 2014-10-31 | 2014-10-31 | Rib spreader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204133514U true CN204133514U (en) | 2015-02-04 |
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ID=52410242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420646589.8U Expired - Fee Related CN204133514U (en) | 2014-10-31 | 2014-10-31 | Rib spreader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204133514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287795A (en) * | 2014-10-31 | 2015-01-21 | 纪勇 | Rib spreader |
-
2014
- 2014-10-31 CN CN201420646589.8U patent/CN204133514U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287795A (en) * | 2014-10-31 | 2015-01-21 | 纪勇 | Rib spreader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20161031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |