CN210354872U - Arc bone carrier - Google Patents
Arc bone carrier Download PDFInfo
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- CN210354872U CN210354872U CN201920598481.9U CN201920598481U CN210354872U CN 210354872 U CN210354872 U CN 210354872U CN 201920598481 U CN201920598481 U CN 201920598481U CN 210354872 U CN210354872 U CN 210354872U
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Abstract
The utility model relates to the field of bone transportation, in particular to an arc-shaped bone transporter which comprises an arc-shaped guide rail, a plurality of bone pins, a fixed end sliding block component, a sliding end sliding block component and a traction mechanism arranged on the sliding end sliding block component, wherein the traction mechanism can drive the sliding end sliding block component to move along the arc-shaped guide rail; the fixed end sliding block assembly and the sliding end sliding block assembly are both arranged on the arc-shaped guide rail, and the fixed end sliding block assembly can move along the arc-shaped guide rail; locking mechanisms are arranged on the fixed end sliding block assembly and the sliding end sliding block assembly, and the locking mechanisms can fix the fixed end sliding block assembly and the sliding end sliding block assembly on the arc-shaped guide rail; the fixed end sliding block component is provided with a plurality of fixed end penetrating needle holes for installing spicules, and the sliding end sliding block component is provided with a plurality of sliding end penetrating needle holes for installing the spicules. Can realize the arc transport to the arc bone through above-mentioned scheme, simplify the transport treatment to the arc bone, bone transport technical application is more extensive.
Description
Technical Field
The utility model relates to a bone carrier field especially relates to an arc bone carrier.
Background
The bone transport technology is a stretch bone forming technology, namely, a bone is cut, soft tissues and blood supply tissues are reserved, two ends are fixed by a special transport device, pulling force is gradually applied to slowly draw a bone segment, tissue regeneration potential is stimulated, new bones are formed in osteotomy gaps, and the purpose of bone regeneration is achieved.
For some regular linear bone fracture and bone carrying operation, simple linear guide rail type support is generally adopted. However, when the arc-shaped bone needs to be subjected to bone carrying operation, an annular fixing support or a Taylor three-dimensional space external fixing support is required, the annular fixing support and the Taylor three-dimensional space external fixing support have many parts and are complex to install, the requirement on the use proficiency of a doctor is high, the Taylor three-dimensional space external fixing support is expensive in manufacturing cost, and the burden of a patient is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing an arc bone carrier aims at solving the current complicated problem of bone carrier structure that carries the arc bone.
(II) technical scheme
In order to solve the problems, the arc-shaped bone carrier comprises an arc-shaped guide rail, a plurality of bone pins, a fixed end sliding block component, a sliding end sliding block component and a traction mechanism arranged on the sliding end sliding block component, wherein the traction mechanism can drive the sliding end sliding block component to move along the arc-shaped guide rail; the fixed end sliding block assembly and the sliding end sliding block assembly are both arranged on an arc-shaped guide rail, and the fixed end sliding block assembly can move along the arc-shaped guide rail; locking mechanisms are arranged on the fixed end sliding block assembly and the sliding end sliding block assembly, and the locking mechanisms can fix the fixed end sliding block assembly and the sliding end sliding block assembly on the arc-shaped guide rail; the fixed end sliding block assembly is provided with a plurality of fixed end penetrating needle holes used for installing the spicules, and the sliding end sliding block assembly is provided with a plurality of sliding end penetrating needle holes used for installing the spicules.
Preferably, a rack is arranged on the outer side of the arc-shaped guide rail, and the traction mechanism comprises a gear and a rotating shaft; the gear is fixedly arranged on the rotating shaft, the gear is meshed with the rack, and the sliding end sliding block assembly can be driven to move along the arc-shaped guide rail by the rotation of the gear.
Preferably, the sliding end sliding block assembly is provided with a rotating hole, the rotating shaft can rotate in the rotating hole, the rotating shaft is provided with a limiting mechanism, and the limiting mechanism can limit the rotating shaft to move in the rotating hole along the axial direction.
Preferably, arc bone carrier includes many the arc guide rail, the relative both ends of arc guide rail are the connection terminal surface, one of them the connection terminal surface is equipped with reference column and another the connection terminal surface is provided with the locating hole, and the internal diameter equals a plurality ofly the arc guide rail can pass through the reference column with the cooperation of locating hole and connect gradually, adjacent two between the arc guide rail the side of connecting the terminal surface is equipped with coupling mechanism, coupling mechanism can adjacent two fixed connection the arc guide rail.
Preferably, the arc-shaped guide rail is provided with an arc-shaped groove, the fixed end sliding block assembly and the sliding end sliding block assembly are both provided with guide blocks matched with the arc-shaped groove, and the guide blocks can move along the arc-shaped groove.
Preferably, the sliding end slide assembly comprises a first sliding end slide, a second sliding end slide and a locking member; the sliding end sliding block assembly is provided with a pressurizing hole, the locking piece is screwed into the pressurizing hole, so that the first sliding end sliding block and the second sliding end sliding block are connected and fixed with each other, and the sliding end needle penetrating hole is formed in the connecting position of the first sliding end sliding block and the second sliding end sliding block; the first sliding end sliding block is in direct contact with the arc-shaped guide rail, and the guide block on the sliding end sliding block assembly is arranged on the first sliding end sliding block.
Preferably, the fixed end slider assembly comprises a first fixed end slider, a second fixed end slider and a fastener; the fixed end sliding block assembly is provided with a fixed hole, the fastener is screwed into the fixed hole, so that the first fixed end sliding block and the second fixed end sliding block are connected and fixed with each other, and the fixed end needle penetrating hole is formed in the joint of the first fixed end sliding block and the second fixed end sliding block; the first fixed end slider is in direct contact with the arc-shaped guide rail and the guide block on the fixed end slider assembly is arranged on the first fixed end slider.
Preferably, the locking mechanism comprises a locking sheet provided with a locking threaded hole and a bolt, and the bolt is screwed into the locking threaded hole and tightly pressed on the arc-shaped guide rail, so that the fixed end sliding block assembly and the sliding end sliding block assembly can be fixed on the arc-shaped guide rail.
Preferably, at least two fixed end slider assemblies are arranged on the arc-shaped guide rail, and the sliding end slider assemblies are positioned between two adjacent fixed end slider assemblies.
Preferably, the arc-shaped guide rail is marked with scales.
(III) advantageous effects
The utility model has the advantages that: the guide rail is set to be an arc-shaped guide rail, an arc-shaped groove is formed in the arc-shaped guide rail, and the arc-shaped groove is matched with the sliding block assembly at the sliding end; bone needles are arranged on the fixed end sliding block component and the sliding end sliding block component, and the other ends of the bone needles are connected with bones; the traction mechanism drives the sliding end sliding block component to move along the arc-shaped groove, so that the effect of arc-shaped bone moving is realized. Can realize the arc transport to the arc bone through above-mentioned scheme, simplify the transport treatment to the arc bone, bone transport technical application is more extensive. Meanwhile, the bone-moving operation is simple, and the bone-moving effect can be well achieved while the pain of a patient is relieved; after the bone-moving operation is completed, the whole bone-moving device can be disassembled, thereby being beneficial to the postoperative rehabilitation and daily activities of patients.
Drawings
FIG. 1 is a schematic view of the overall structure of the arc bone carrier of the present invention;
FIG. 2 is a schematic view of the assembly of the sliding end block assembly and traction mechanism of the present invention in an arcuate bone carrier;
FIG. 3 is a schematic structural view of a fixed end slider assembly of the arc bone carrier of the present invention;
FIG. 4 is a schematic view of the installation process of adjacent curved guide rails in the curved bone carrier of the present invention;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is an enlarged view of FIG. 4 at B;
fig. 7 is a schematic structural view of the arc-shaped bone carrier after the installation of the adjacent arc-shaped guide rails is completed.
[ description of reference ]
Wherein, 100: an arcuate bone carrier; 1: an arc-shaped guide rail; 10: connecting the end faces; 11: a rack; 12: an arc-shaped groove; 13: a positioning column; 14: positioning holes; 15: connecting the threaded hole; 2: a bone needle; 3: a fixed end slider assembly; 31: the fixed end penetrates through a pinhole; 32: a first fixed end slider; 33: a second fixed end slider; 34: a fastener; 35: a fixing hole; 4: a sliding end slider assembly; 41: the sliding end is penetrated with a pinhole; 42: rotating the hole; 43: a first sliding end slider; 44: a second sliding end slider; 45: a locking member; 46: a pressurizing hole; 5: a traction mechanism; 51: a gear; 52: a rotating shaft; 521: a limiting mechanism; 60: a guide block; 70: a locking mechanism; 701: a locking piece; 7010: locking the threaded hole; 702: a bolt; 80: a connecting mechanism; 801 connecting sheets; 8010: a through hole; 802 screws.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides an arc-shaped bone carrier 100, as shown in fig. 1, comprising an arc-shaped guide rail 1, a plurality of bone pins 2, a fixed end slider component 3, a sliding end slider component 4 and a traction mechanism 5 detachably mounted on the sliding end slider component 4, wherein the traction mechanism 5 can drive the sliding end slider component 4 to move along the arc-shaped guide rail 1; the fixed end sliding block assembly 3 and the sliding end sliding block assembly 4 are both arranged on the arc-shaped guide rail 1, and the fixed end sliding block assembly 3 can move along the arc-shaped guide rail 1; locking mechanisms 70 are arranged on the fixed end sliding block assembly 3 and the sliding end sliding block assembly 4, and the locking mechanisms 70 can fix the fixed end sliding block assembly 3 and the sliding end sliding block assembly 4 on the arc-shaped guide rail 1; the fixed end sliding block component 3 is provided with a plurality of fixed end needle penetrating holes 31 for installing the spicules 2, and the sliding end sliding block component 4 is provided with a plurality of sliding end needle penetrating holes 41 for installing the spicules 2. The traction mechanism 5 drives the sliding end sliding block component 4 to move on the arc-shaped guide rail 1 to achieve the effect of arc-shaped bone removal; the bone-moving operation is simple, and the bone-moving effect can be achieved while the pain of a patient is relieved; after the bone-moving operation is completed, the whole bone-moving device can be disassembled, thereby being beneficial to the postoperative rehabilitation and daily activities of patients.
Wherein, in a preferred embodiment, the outside of the arc-shaped guide rail 1 is provided with a rack 11 (as shown in fig. 1), and the traction mechanism 5 may comprise a gear 51 and a rotating shaft 52; the gear 51 is mounted on a rotating shaft 52 (shown in fig. 2); the connection part of the gear 51 and the rotating shaft 52 can be provided with a key slot and a corresponding key, so that the gear 51 rotates along with the rotation of the rotating shaft 52; meanwhile, the gear 51 and the rotating shaft 52 can also be made into an integral type; the gear 51 is engaged with the rack 11 to rotate the rotating shaft 52, and the gear 51 rotates along with the rotating shaft 52 and drives the sliding end slider assembly 4 to move along the arc-shaped guide rail 1 (as shown in fig. 1). Meanwhile, the traction mechanism 5 can also drive the sliding end sliding block component 4 to move along the arc-shaped guide rail through the matching of the screw rod and the nut.
As shown in fig. 2, the rotating shaft 52 is installed in the rotating hole 42 formed in the sliding end slider assembly 4, a limiting mechanism 521 is provided in the rotating shaft 52, the rotating shaft 52 can rotate in the rotating hole 42, and the limiting mechanism 521 can limit the axial movement of the rotating shaft 52 in the rotating hole 42. In a preferred embodiment, the limiting mechanism 521 may be a bearing, a bearing inner hole is installed in cooperation with the rotating shaft 52, an outer circle of the bearing is installed in cooperation with the rotating hole 42, the bearing inner hole is in interference fit with the rotating shaft 52, and the outer circle of the bearing is also in interference fit with the rotating hole 42, so that the rotating shaft 52 can easily rotate in the rotating hole 42 and the function of limiting the rotating shaft 52 to move axially in the rotating hole is realized. The bearing is widely used in practice, can be directly purchased, and reduces the cost.
In another preferred embodiment, the arc bone carrier comprises a plurality of arc guide rails 1, and both opposite ends of each arc guide rail 1 are connected with end surfaces 10, wherein one end surface 10 of each arc guide rail 1 is provided with a positioning column 13, and the other end surface 10 is provided with a positioning hole 14, and the positioning column 13 can be detachably connected with the arc guide rails 1 by threads and can also be fixedly connected with the arc guide rails 1 as a whole. In order to better position two adjacent arc-shaped guide rails 1, the positioning column 13 may be configured as a positioning pin having a certain taper, and when the positioning column 13 has a certain taper, the positioning hole 14 may also be processed into a taper hole matching with the positioning column 13 by a tapered drill. The diameter of the most inboard arc edge line of arc guide rail 1 is the internal diameter of arc guide rail, and a plurality of arc guide rails 1 that the internal diameter equals and connection terminal surface 10 is the same can connect gradually through reference column 13 and locating hole 14's cooperation (see fig. 4 and fig. 6), perhaps, guarantee that the tapering of reference column 13 and locating hole 14 is the same on adjacent arc guide rail 1, can make two arc guide rails 1 butt joint installation each other.
On the other hand, after the two adjacent arc-shaped guide rails 1 are positioned under the matching of the positioning columns 13 and the positioning holes 14, the connecting mechanism 80 is arranged on the side surface of the connecting end surface between the two adjacent arc-shaped guide rails 1, and the connecting mechanism 80 can be fixedly connected with the two adjacent arc-shaped guide rails 1. The specific way of connecting the two adjacent arc-shaped guide rails 1 by the connecting mechanism 80 is as follows: the connecting screw holes 15 are formed in the side surfaces perpendicular to the connecting end surfaces 10 of the two adjacent arc-shaped guide rails, the connecting sheet 801 in the connecting mechanism 80 is provided with the through hole 8010 at the corresponding position of the connecting screw hole 15, and the screw 802 in the connecting mechanism 80 penetrates through the through hole 8010 and is screwed into the connecting screw hole 15 formed in the side surface of the adjacent arc-shaped guide rail 1, so that the two adjacent arc-shaped guide rails 1 are fixedly installed, and the effect of fixedly installing the plurality of arc-shaped guide rails 1 can be achieved by repeating the above method (see fig. 4, fig. 6 and fig. 7). Design arc guide rail 1 for joinable formula, be favorable to accomodating of arc guide rail 1, can obtain the arc bone carrier 100 of multiple angle through connecting the arc guide rail 1 of different quantity for arc bone carrier 100's application scope is more extensive. Moreover, only one arc-shaped bone carrier 100 with the same inner diameter and the same connecting end surface 10 needs to be produced, so that different specifications can be combined, and the arc-shaped bone carrier is suitable for various bone carrying clinical operations, thereby realizing batch production, reducing the production cost and the economic burden of patients.
Further, an arc-shaped groove 12 is provided on the arc-shaped guide rail 1, and the fixed end slider assembly 3 and the sliding end slider assembly 4 are each provided with a guide block 60 that matches the arc-shaped groove 12, the guide block 60 being capable of moving along the arc-shaped groove 12 (see fig. 1 to 3). In the preferred scheme, the cross section of the arc-shaped groove 12 can be arranged to be dovetail-shaped, and the guide block 60 matched with the dovetail-shaped cross section of the arc-shaped groove 12 can only move along the arc-shaped groove 12, so that the stability of the fixed end sliding block assembly 3 and the sliding end sliding block assembly 4 in the moving process is improved, and the whole bone moving operation is more stable.
In a further preferred embodiment, referring to fig. 1 and 2, sliding end slide assembly 4 includes a first sliding end slide 43, a second sliding end slide 44, and a locking member 45; the sliding end slider assembly 4 is provided with a pressing hole 46, in a preferred embodiment, the locking member 45 may be a screw, a bolt, a rivet, or the like, the pressing hole 46 may be a through hole on the second sliding end slider 44, the pressing hole 46 is a threaded hole on the first sliding end slider 43, and the locking member 45 is screwed into the pressing hole 46, so that the first sliding end slider 43 and the second sliding end slider 44 are connected and fixed to each other. The sliding end needle-penetrating hole 41 is arranged at the joint of the first sliding end slide block 43 and the second sliding end slide block 44, and the sliding end needle-penetrating hole 41 can lock and fix the spicule 2 under the action of the locking piece 45; the first sliding end slider 43 is in direct contact with the arcuate guide track 1 and the guide block 60 on the sliding end slider assembly 4 is disposed on the first sliding end slider 43.
Further, as shown in fig. 1 and 3, the fixed end slider assembly 3 includes a first fixed end slider 32, a second fixed end slider 33, and a fastener 34; the fixed end sliding block assembly 3 is provided with a fixing hole 35, in a preferred scheme, the fastener 34 can be a screw, a bolt, a rivet or the like, the fixing hole 35 can be a through hole on the second fixed end sliding block 33, the fixing hole 35 is a threaded hole on the first fixed end sliding block 32, the fastener 34 is screwed into the fixing hole 35, so that the first fixed end sliding block 32 and the second fixed end sliding block 33 are connected and fixed with each other, the fixed end needle penetrating hole 31 is arranged at the connection position of the first fixed end sliding block 32 and the second fixed end sliding block 33, and the fixed end needle penetrating hole 31 can lock and fix the bone needle 2 under the action of the fastener 34; the first fixed end slider 32 is in direct contact with the arc-shaped guide rail 1 and the guide block 60 on the fixed end slider assembly 3 is disposed on the first fixed end slider 32.
In addition, the locking mechanism 70 includes a locking piece 701 and a bolt 702 which are provided with a locking threaded hole 7010, the bolt 702 is screwed into the locking threaded hole 7010 and is pressed on the arc-shaped guide rail 1, and the locking piece 701 and the fixed end sliding block assembly 3 and the sliding end sliding block assembly 4 can be detachably and fixedly connected as an integral body, so that the fixed end sliding block assembly 3 and the sliding end sliding block assembly 4 can be fixed on the arc-shaped guide rail 1 (see fig. 1, 4, 5 and 7).
Finally, as shown in fig. 1, at least two fixed end slider assemblies 3 are arranged on the arc-shaped guide rail 1, and the sliding end slider assembly 4 is positioned between two adjacent fixed end slider assemblies 3; the arc-shaped guide rail 1 is provided with scales which can be Degrees (DEG), and the scales can be used for measuring the bone-moving distance (see figure 1);
during the clinical operation, the number of the arc-shaped guide rails 1 to be connected in the arc-shaped bone carrier 100 is determined according to the injury condition of the patient, and the number of the fixed end slider assemblies 3 and the positions of the fixed end slider assemblies 3 on the arc-shaped guide rails 1 are determined. Below using two stiff end slider assemblies as an example (see fig. 1), spicules 2 on the two stiff end slider assemblies are fixed on the bone beside the osteotomy area, so that the whole arc-shaped bone carrier 100 is fixed in the bone moving area of the patient, a sliding end slider assembly 4 is arranged in the middle of the two stiff end slider assemblies 3, the spicules 2 on the sliding end slider assembly 4 are connected with the bone where the bone needs to be moved, and the rotating shaft 52 enables the traction mechanism 5 to drive the sliding block assembly 4 to move along the arc-shaped guide rail 1 and then move the bone. After the sliding end slide block assembly 4 is driven by the rotating shaft 52 to rotate for a certain angle, the locking mechanism 70 on the sliding end slide block assembly 4 is screwed down, so that the sliding end slide block assembly 4 is fixed on the arc-shaped guide rail 1; after a certain time, the locking mechanism 70 on the sliding end sliding block assembly 4 is unscrewed, then the rotating shaft 52 is rotated to drive the sliding end sliding block assembly 4 to move on the arc-shaped guide rail 1 for a certain angle, and then the locking mechanism 70 on the sliding end sliding block assembly 4 is screwed down, so that the sliding end sliding block assembly 4 is fixed on the arc-shaped guide rail 1; the operations are repeated until the whole bone moving process is completed.
And after the bone is moved, the fastening piece 34 and the locking piece 45 are sequentially unscrewed, so that the spicules 2 are separated from the fixed end needle penetrating hole 31 and the sliding end needle penetrating hole 41, the whole arc-shaped bone carrier 100 is taken down, and finally the spicules 2 on the body of the patient are sequentially taken out.
It should be understood that the above description of the embodiments of the present invention is only for illustrating the technical lines and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, but the present invention is not limited to the above specific embodiments. All changes and modifications that come within the scope of the claims are to be embraced within their scope.
Claims (10)
1. An arcuate bone carrier characterized by: the arc-shaped bone carrier comprises an arc-shaped guide rail, a plurality of bone pins, a fixed end sliding block assembly, a sliding end sliding block assembly and a traction mechanism arranged on the sliding end sliding block assembly, wherein the traction mechanism can drive the sliding end sliding block assembly to move along the arc-shaped guide rail; the fixed end sliding block assembly and the sliding end sliding block assembly are both arranged on an arc-shaped guide rail, and the fixed end sliding block assembly can move along the arc-shaped guide rail; locking mechanisms are arranged on the fixed end sliding block assembly and the sliding end sliding block assembly, and the locking mechanisms can fix the fixed end sliding block assembly and the sliding end sliding block assembly on the arc-shaped guide rail; the fixed end sliding block assembly is provided with a plurality of fixed end penetrating needle holes used for installing the spicules, and the sliding end sliding block assembly is provided with a plurality of sliding end penetrating needle holes used for installing the spicules.
2. The arcuate bone carrier as defined in claim 1, wherein: the outer side of the arc-shaped guide rail is provided with a rack, and the traction mechanism comprises a gear and a rotating shaft; the gear is fixedly arranged on the rotating shaft, the gear is meshed with the rack, and the sliding end sliding block assembly can be driven to move along the arc-shaped guide rail by the rotation of the gear.
3. The arcuate bone carrier as defined in claim 2, wherein: the sliding end sliding block assembly is provided with a rotating hole, the rotating shaft can rotate in the rotating hole, a limiting mechanism is arranged on the rotating shaft, and the limiting mechanism can limit the rotating shaft to move in the rotating hole along the axial direction.
4. The arcuate bone carrier as defined in any one of claims 1-3, wherein: arc bone carrier includes many the arc guide rail, the relative both ends of arc guide rail are connection terminal surface, one of them connection terminal surface is equipped with reference column and another connection terminal surface is provided with the locating hole, and the internal diameter equals a plurality of the arc guide rail can pass through the reference column with the cooperation of locating hole and connect gradually, adjacent two between the arc guide rail the side of connecting terminal surface is equipped with coupling mechanism, coupling mechanism can adjacent two by fixed connection the arc guide rail.
5. The arcuate bone carrier as defined in any one of claims 1-3, wherein: the fixed end sliding block assembly and the sliding end sliding block assembly are both provided with guide blocks matched with the arc-shaped grooves, and the guide blocks can move along the arc-shaped grooves.
6. The arcuate bone carrier as defined in claim 5, wherein: the sliding end sliding block assembly comprises a first sliding end sliding block, a second sliding end sliding block and a locking piece; the sliding end sliding block assembly is provided with a pressurizing hole, the locking piece is screwed into the pressurizing hole, so that the first sliding end sliding block and the second sliding end sliding block are connected and fixed with each other, and the sliding end needle penetrating hole is formed in the connecting position of the first sliding end sliding block and the second sliding end sliding block; the first sliding end sliding block is in direct contact with the arc-shaped guide rail, and the guide block on the sliding end sliding block assembly is arranged on the first sliding end sliding block.
7. The arcuate bone carrier as defined in claim 5, wherein: the fixed end sliding block assembly comprises a first fixed end sliding block, a second fixed end sliding block and a fastening piece; the fixed end sliding block assembly is provided with a fixed hole, the fastener is screwed into the fixed hole, so that the first fixed end sliding block and the second fixed end sliding block are connected and fixed with each other, and the fixed end needle penetrating hole is formed in the joint of the first fixed end sliding block and the second fixed end sliding block; the first fixed end slider is in direct contact with the arc-shaped guide rail and the guide block on the fixed end slider assembly is arranged on the first fixed end slider.
8. The arcuate bone carrier as defined in any one of claims 1-3, wherein: the locking mechanism comprises a locking sheet and a bolt, wherein a locking threaded hole is formed in the locking sheet, and the bolt is screwed into the locking threaded hole and tightly pressed on the arc-shaped guide rail, so that the fixed end sliding block assembly and the sliding end sliding block assembly can be fixed on the arc-shaped guide rail.
9. The arcuate bone carrier as defined in any one of claims 1-3, wherein: the arc-shaped guide rail is provided with at least two fixed end sliding block assemblies, and the sliding end sliding block assemblies are located between the two adjacent fixed end sliding block assemblies.
10. The arcuate bone carrier as defined in any one of claims 1-3, wherein: the arc-shaped guide rail is marked with scales.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598481.9U CN210354872U (en) | 2019-04-28 | 2019-04-28 | Arc bone carrier |
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| CN201920598481.9U CN210354872U (en) | 2019-04-28 | 2019-04-28 | Arc bone carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998653A (en) * | 2019-04-28 | 2019-07-12 | 佛山市中医院 | Arc bone carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998653A (en) * | 2019-04-28 | 2019-07-12 | 佛山市中医院 | Arc bone carrier |
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