CN210582604U

CN210582604U - Pin joint slide rail formula bone carrier

Info

Publication number: CN210582604U
Application number: CN201920598549.3U
Authority: CN
Inventors: 王朝辉; 詹晓欢; 高峻青; 何翠华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-05-22
Anticipated expiration: 2029-04-28

Abstract

The utility model relates to the technical field of bone transportation, in particular to a pin joint slide rail type bone transporter, which comprises at least two slide rails, a rotating pivot, a plurality of bone pins, a fixing component and a transporting component, wherein the fixing component and the transporting component are arranged on the slide rails; the adjacent sliding rails are pivoted through the rotating hinge; the fixing assembly is fixed on the sliding rail, the carrying assembly can slide along the sliding rail, and the spicules can be installed on the fixing assembly and the carrying assembly. The utility model discloses a thereby pin joint slide rail formula bone carrier can adjust the angle of slide rail through rotatory pivot and realize reaching the effect of two-way transport to the transport of anomalous bone section, can also adjust the angle of slide rail through rotatory pivot and come better selection to cut bone position and fixed position, fixed subassembly and transport subassembly simple structure and easily installation on the slide rail, the doctor's operation of being convenient for.

Description

Pin joint slide rail formula bone carrier

Technical Field

The utility model relates to a bone transport technical field especially relates to a pin joint slide rail formula bone carrier.

Background

The bone transportation technique is a method of cutting a bone segment at the proximal end or the distal end of a bone defect and transporting the bone segment to the bone defect by the aid of an external fixation frame. The bone regeneration device has the advantages that the growth function of the bone segments is kept, the bone segments are gradually and slowly pulled under the action of continuous tension in the bone carrying process, the regeneration potential of human tissues is continuously excited, new bones are formed between the bone segments and gaps of the osteotomy positions, and therefore the purpose of bone regeneration is achieved.

In the prior art, a bone carrying external fixing bracket for treating bone defects comprises a unilateral external fixing bracket, an annular external fixing bracket and the like. Although the single-rod external fixing bracket is simple to operate and has less spicules, the single-rod external fixing bracket has poor stability. The operation and the use of annular external fixation support are very complicated, and the part quantity of accomplishing the bone transport is many, and the installation is very loaded down with trivial details, and the doctor is mostly difficult to master, also can bring great psychological burden for patient's health.

Moreover, the single-side external fixation support and the annular external fixation support are mainly applied to linear bone transportation of large-section bone defects such as tibia, femur, humerus and the like at present, bone defects of irregular bone blocks such as ilium and the like cannot be directly treated, and a plurality of single-side external fixation supports are combined and completed, so that the operation is very complicated, the risk is high, the operation is very difficult, a large burden is brought to the body of a patient, and various complications are easily caused. Some patients do not want to spend too much medicine and choose conservative treatment, but conservative treatment is long, the effect is slow, and the free growth time of bone block is too long, and the patients need to endure long-term pain.

Disclosure of Invention

Technical problem to be solved

The utility model provides a pin joint slide rail formula bone carrier aims at solving the problem to anomalous bone section transport difficulty among the current bone carrier.

(II) technical scheme

In order to achieve the above object, the utility model discloses a pin joint slide rail formula bone carrier includes: the bone knitting machine comprises at least two sliding rails, a rotating pivot, a plurality of spicules, a fixing component and a carrying component, wherein the fixing component and the carrying component are arranged on the sliding rails; the adjacent sliding rails are pivoted through the rotating hinge; the fixing assembly is fixed on the sliding rail, the carrying assembly can slide along the sliding rail, and the spicules can be installed on the fixing assembly and the carrying assembly.

Preferably, the slide rail is provided with a groove, the adjacent grooves on the slide rail open towards the same direction, and the slide rail is provided with a graduated scale.

Preferably, the fixing component comprises a fixing block and a fixing lug arranged on the fixing block, the fixing block is fixedly connected with the fixing lug, and the fixing lug is embedded into the groove and matched with the groove.

Preferably, the fixing blocks include a first fixing block and a second fixing block; a plurality of bone needle mounting holes are formed in the joint of the first fixing block and the second fixing block, and the bone needles can be mounted in the bone needle mounting holes; the first fixing block is connected with the fixing lug.

Preferably, the fixing block further comprises a plurality of fasteners; the first fixing block and the second fixing block are respectively provided with a plurality of fastener mounting holes, the fastener mounting holes in the first fixing block correspond to the fastener mounting holes in the second fixing block in a one-to-one mode, and the first fixing block is fixed to the second fixing block through fasteners inserted into the fastener mounting holes.

Preferably, the carrying assembly comprises a carrying block and a carrying lug, the carrying block is fixedly connected with the carrying lug, the carrying lug is embedded in the groove and matched with the groove, and the carrying block can be in contact with the slide rail through the carrying lug and can slide along the slide rail.

Preferably, the carrying blocks comprise a first carrying block and a second carrying block; a plurality of bone pin mounting holes are formed in the joint of the first carrying block and the second carrying block, and the bone pins can be mounted in the bone pin mounting holes; the first carrying block is connected with the carrying lug.

Preferably, the handling block further comprises a plurality of retaining members; first transport piece with be provided with a plurality of retaining member mounting holes on the second transport piece respectively, on the first transport piece retaining member mounting hole with the second transport piece retaining member mounting hole one-to-one, first transport piece is through inserting in the retaining member mounting hole retaining member with the second transport piece is fixed.

Preferably, a plurality of pressurizing fixing holes are formed in the slide rail; the pressurizing fixing holes are symmetrically distributed based on the center line of the groove, and the pressurizing fixing holes are used for installing fixing pieces to fix the fixing lugs and the carrying lugs.

Preferably, the rotating hinge is a hollow structure.

(III) advantageous effects

The utility model has the advantages that: thereby this carrier adjusts the angle of slide rail through rotatory pivot and realizes the transport to anomalous bone section, reaches the effect of two-way transport, can also adjust the angle of slide rail through rotatory pivot and come better selection osteotomy position and fixed position, fixed subassembly and transport subassembly simple structure on the slide rail and easily installation, the doctor's operation of being convenient for can improve operation efficiency, and this carrier can also alleviate the patient because of painful health burden that produces.

Drawings

FIG. 1 is a view showing a state of the pivot slide rail type bone carrier according to the present invention;

FIG. 2 is a schematic structural view of a slide rail;

FIG. 3 is a schematic structural view of a fixing assembly;

fig. 4 is a schematic structural view of the handling assembly.

[ description of reference ]

1: a slide rail; 2: a fixing assembly; 3: a handling assembly; 4: a rotating hinge; 5: a bone needle; 6: bone needle mounting holes; 7: a groove; 8: a graduated scale; 9: a pressurized fixing hole; 10: a fixing member;

211: a fixed block; 212: fixing the bump; 213: a first fixed block; 214: a second fixed block; 215: a fastener mounting hole; 216: a fastener;

311: a carrying block; 312: carrying the bumps; 313: a first carrying block; 314: a second carrying block; 315: a locking member mounting hole; 316: and a locking member.

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 a pin joint slide rail type bone carrier, as shown in fig. 1 and fig. 2, which comprises at least two slide rails 1, a rotary hinge 4, a plurality of bone pins 5, a fixing component 2 and a carrying component 3 which are arranged on the slide rails 1; the adjacent sliding rails 1 are pivoted through rotating hinges 4, and the rotating hinges 4 are positioned between the adjacent sliding rails 1; the fixing component 2 is fixed on the sliding rail 1, the carrying component 3 can slide along the sliding rail 1, the spicule 5 can be a half-thread spicule, the end without threads of the spicule 5 can be arranged on the fixing component 2 and the carrying component 3, and the end with threads of the spicule 5 enters the bone block to be fixed with the bone block; be provided with recess 7 on the slide rail 1, recess 7 on the adjacent slide rail 1 is equipped with scale 8 towards same direction opening on the slide rail 1, and the length of scale 8 is unanimous with the length of recess 7, and transport subassembly 3 realizes progressively carrying according to the scale on the slide rail 1.

The rotating hinge 4 of the carrier is preferably hollow, so that the weight of the carrier can be reduced while the working reliability is ensured, and the burden of a patient is further reduced. In addition, three rotating hinges 4 can be arranged between the adjacent sliding rails 1, the three rotating hinges 4 are sequentially connected, one rotating hinge 4 is connected with one sliding rail 1, the other rotating hinge 4 is connected with the other adjacent sliding rail 1, the rotating range of the three rotating hinges 4 can be increased, and the rotating range of the three rotating hinges 4 after being overlapped can be 0-270 degrees. Can put into spicule 5 in rotatory pivot 4 and fix, thereby realize the transport to anomalous bone piece through rotatory pivot 4 angle of adjusting slide rail 1, finally reach the effect of two-way transport, can also adjust the angle of slide rail 1 through rotatory pivot 4 and come the better fixed position of choosing osteotomy position and fixed subassembly 2, fixed subassembly 2 and transport subassembly 3 simple structure and easily installation on the slide rail 1, the doctor's of being convenient for operation efficiency can be improved, this carrier can also alleviate the patient because of painful health burden that produces.

As shown in fig. 1 and 3, the fixing assembly 2 includes a fixing block 211 and a fixing protrusion 212 disposed on the fixing block 211, and the fixing block 211 is fixedly connected to the fixing protrusion 212, so that the number of parts to be mounted during an operation is effectively reduced, and the operation of a doctor is facilitated; the fixing projection 212 is embedded in the groove 7 and matched with the groove 7, and the most suitable fixing position is selected according to the graduated scale 8 on the sliding rail 1 through the adjustment of the rotating hinge 4, so that the operation efficiency is improved.

Further, the fixed block 211 includes a first fixed block 213 and a second fixed block 214; the joint of the first fixing block 213 and the second fixing block 214 is provided with 1-2 spicule installation holes 6, preferably 2 spicule installation holes 6, the spicules 5 can be 1-2, preferably 1 spicule 5, the spicules 5 can be installed in the spicule installation holes 6, and any one of the spicule installation holes 6 can be selected to be installed according to actual needs when the spicules 5 are installed; the first fixing block 213 is fixedly connected to the fixing protrusion 212. The fixation block 211 further includes a plurality of fasteners 216; the first fixing block 213 and the second fixing block 214 are respectively provided with a plurality of fastener mounting holes 215, the fastener mounting holes 215 on the first fixing block 213 correspond to the fastener mounting holes 215 of the second fixing block 214 one by one, the first fixing block 213 and the second fixing block 214 form a sandwich shape, the spicule 5 installed in the spicule mounting hole 6 is clamped between the first fixing block 213 and the second fixing block 214, the threaded end of the spicule 5 is inserted into a bone to be fixed with the bone, the first fixing block 213 is fixed with the second fixing block 214 through the fastener 216 inserted into the fastener mounting holes 215, so that the effect of fixing the spicule 5 is achieved, the positioning and the dismounting of the spicule 5 can be realized only by adjusting the fastener 216, and the operation of a doctor is simple and convenient.

In addition, as shown in fig. 1 and 4, the carrying assembly 3 includes a carrying block 311 and a carrying projection 312, the carrying block 311 is fixedly connected with the carrying projection 312, the number of parts mounted during the operation is reduced, thereby reducing the physical burden of the patient, the carrying projection 312 is embedded in the groove 7 and matched with the groove 7, the carrying block 311 can contact with the slide rail 1 through the carrying projection 312 and can slide along the slide rail 1, and accurate carrying can be realized according to the scale on the scale 8.

Further, the carrying block 311 includes a first carrying block 313 and a second carrying block 314; the joint of the first carrying block 313 and the second carrying block 314 is provided with 3-4 spicule mounting holes 6, preferably 4 spicule mounting holes 6, the spicules 5 can be 1-2, preferably 2 spicules 5, the spicules 5 can be mounted in the spicule mounting holes 6, and any two of the 4 spicule mounting holes 6 can be selected to be mounted according to actual requirements when the spicules 5 are mounted; the first carrying block 313 is fixedly connected with the carrying bump 312. The carrier block 311 further includes a plurality of retaining members 316; the first carrying block 313 and the second carrying block 314 are respectively provided with a plurality of locking member mounting holes 315, the locking member mounting holes 315 on the first carrying block 313 correspond to the locking member mounting holes 315 of the second carrying block 314 one by one, the first carrying block 313 and the second carrying block 314 form a sandwich shape, the spicules 5 arranged in the spicule mounting holes 6 are clamped between the first carrying block 313 and the second carrying block 314, the threaded ends of the spicules 5 are inserted into the cut bone segments to be fixed with the bone segments, the first carrying block 313 is fixed with the second carrying block 314 through the locking member 316 inserted into the locking member mounting holes 315, so that the effect of fixing the spicules 5 is achieved, the positioning and the dismounting of the spicules 5 can be realized only by adjusting the locking member 316, the irregular bone segments can be carried by the sliding of the traction carrying block 311, and the bone segments are gradually and slowly dragged according to the scales on the sliding rail 1, continuously arouses the regeneration potential of human tissues to form new bones between the bone segments and the gaps of the osteotomy, thereby achieving the aim of bone regeneration.

In addition, fig. 1 shows one preferred embodiment, and in other preferred embodiments, the relative positions of the fixing assembly 2 and the carrying assembly 3 can be determined according to the growth direction of the bone segments to be carried, so that the bone block carrying in different directions can be realized. Wherein, through the relative position of nimble fixed subassembly 2 of selecting with transport subassembly 3, can reduce the part quantity of accomplishing the bone transport effectively, alleviate patient's psychology and burden on the health.

In a preferred embodiment, as shown in fig. 2, the slide rail 1 is provided with a plurality of pressing fixing holes 9; the pressurizing fixing holes 9 are symmetrically distributed based on the center line of the groove 7, and the center line of the groove 7 can be the center line along the direction of the sliding rail 1, or the center line perpendicular to the direction of the sliding rail 1, and is preferably the center line along the direction of the sliding rail 1; the compression fixation holes 9 are used for installing the fixture 10 to fix the transportation projection 312 and the fixation projection 212, and the installation fixture 10 can effectively prevent the fixation projection 212 and the transportation projection 312 from moving, thereby improving the success rate of bone transportation.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art are intended to fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. A pivoting rail bone carrier, comprising: the bone knitting machine comprises at least two sliding rails, a rotating pivot, a plurality of spicules, a fixing component and a carrying component, wherein the fixing component and the carrying component are arranged on the sliding rails; the adjacent sliding rails are pivoted through the rotating hinge; the fixing component is fixed on the sliding rail, the carrying component can slide along the sliding rail, and the spicules can be arranged on the fixing component and the carrying component;

the fixed assembly comprises a fixed block and a fixed lug arranged on the fixed block, and the carrying assembly comprises a carrying block and a carrying lug; the sliding rail is provided with a plurality of pressurizing fixing holes, and the pressurizing fixing holes are used for installing fixing pieces to fix the fixing bumps and the carrying bumps.

2. The articulated slide rail bone carrier of claim 1, wherein: the slide rail is provided with grooves, the adjacent grooves on the slide rail are opened towards the same direction, and the slide rail is provided with a graduated scale.

3. The articulated slide rail bone carrier of claim 2, wherein: the fixed block is fixedly connected with the fixed lug, and the fixed lug is embedded into the groove and matched with the groove.

4. The articulated slide rail bone carrier of claim 3, wherein: the fixed blocks comprise a first fixed block and a second fixed block; a plurality of bone needle mounting holes are formed in the joint of the first fixing block and the second fixing block, and the bone needles can be mounted in the bone needle mounting holes; the first fixing block is connected with the fixing lug.

5. The pivoting slide bone carrier of claim 4, wherein: the fixed block also comprises a plurality of fasteners; the first fixing block and the second fixing block are respectively provided with a plurality of fastener mounting holes, the fastener mounting holes in the first fixing block correspond to the fastener mounting holes in the second fixing block in a one-to-one mode, and the first fixing block is fixed to the second fixing block through fasteners inserted into the fastener mounting holes.

6. The pivoting slide bone carrier of claim 2, wherein: the carrying block is fixedly connected with the carrying convex block, the carrying convex block is embedded into the groove and matched with the groove, and the carrying block can be in contact with the slide rail through the carrying convex block and can slide along the slide rail.

7. The articulated slide rail bone carrier of claim 6, wherein: the carrying blocks comprise a first carrying block and a second carrying block; a plurality of bone pin mounting holes are formed in the joint of the first carrying block and the second carrying block, and the bone pins can be mounted in the bone pin mounting holes; the first carrying block is connected with the carrying lug.

8. The pivoting slide bone carrier of claim 7, wherein: the carrying block further comprises a plurality of locking members; first transport piece with be provided with a plurality of retaining member mounting holes on the second transport piece respectively, on the first transport piece retaining member mounting hole with the second transport piece retaining member mounting hole one-to-one, first transport piece is through inserting in the retaining member mounting hole retaining member with the second transport piece is fixed.

9. The articulated slide rail bone carrier of claim 2, wherein: the pressurizing fixing holes are symmetrically distributed based on the center line of the groove.

10. The articulated slide rail bone carrier of any one of claims 1-9, wherein: the rotating hinge is of a hollow structure.