CN214318085U

CN214318085U - Tibia osteotomy plate positioner and tibia osteotomy device

Info

Publication number: CN214318085U
Application number: CN202022647150.5U
Authority: CN
Inventors: 普有登; 孙启增; 蓝天
Original assignee: Kunming No1 People's Hospital
Current assignee: Kunming No1 People's Hospital
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-10-01
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to the technical field of medical equipment, and a shin bone cuts lamella locator and shin bone cuts bone device is disclosed, which comprises a fixed base, the top fixedly connected with adjustment mechanism of fixing base, adjustment mechanism's top is rotated and is connected with the stay tube, it has the action bars rather than sliding connection some to alternate on the stay tube, the left end fixedly connected with locating piece of action bars, the left top integrated into one piece of fixing base has two inserted blocks, two the inserted block, two all cup jointed the thread bush on the inserted block. The utility model discloses a, utilize adjustment mechanism can change the perpendicular distance to cutting bone plate sword groove in locating piece bottom, measure the osteotomy degree of depth, accomplish the back in the location simultaneously, utilize first nail or drill bit to fix the cutting bone plate, utilize rotatory thread bush alright will cut bone plate and fixing base and locator and separate, make things convenient for the follow-up sword groove through cutting on the bone plate of doctor to cut the bone to the shin bone, form new tibial plateau, facilitate the use, easy operation, the structure is reliable.

Description

Tibia osteotomy plate positioner and tibia osteotomy device

Technical Field

The utility model relates to the technical field of medical appliances, specifically be shin bone plate locator and shin bone device of cutting.

Background

The proximal osteotomy of the knee joint is the most important step in knee replacement, and the whole knee tibial processing is based on the osteotomy plane processed by the step. The instrument for finishing the proximal osteotomy of the knee joint is a proximal osteotomy positioner, and the instrument is divided into two types of intramedullary positioning and extramedullary positioning, and mainly used for finishing the alignment of a knee joint tibia force line and the setting of a posterior inclination angle. The intramedullary positioning is completed by inserting the force line rod into the medullary cavity of the tibia, and has the advantages of accurate positioning and damage to the medullary cavity of the tibia.

The traditional extramedullary positioning is completed through an external support, but the external support and a positioning device are required to be detached after the positioning of the osteotomy plate is completed so as to perform osteotomy through a cutter groove on the osteotomy plate.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a shin bone plate locator and shin bone device of cutting possesses convenient dismouting, and advantages such as convenient operation have solved the dismouting inconvenience between the extramedullary locate mode two, influence the problem of its result of use.

(II) technical scheme

In order to realize the above-mentioned dismouting of making things convenient for, convenient operation's purpose, the utility model provides a following technical scheme: the utility model provides a shin bone cuts bone plate locator, includes the fixing base, the top fixedly connected with adjustment mechanism of fixing base, adjustment mechanism's top is rotated and is connected with the stay tube, the alternate action bars rather than sliding connection have on the stay tube, the left end fixedly connected with locating piece of action bars, the left top integrated into one piece of fixing base has two inserted blocks, two the inserted block, two all cup jointed the thread bush on the inserted block, the left top of fixing base is provided with cuts bone plate, two the inserted block all pegs graft with cutting bone plate, two the thread bush all with cut bone plate threaded connection.

Preferably, adjustment mechanism includes two connecting rods, the bottom and the fixing base fixed connection of connecting rod, the top fixedly connected with carousel of connecting rod, two threaded connection has the control tube between the connecting rod, the top fixed mounting of fixing base has limiting mechanism, limiting mechanism is located adjustment mechanism's left side, limiting mechanism's top and carousel fixed connection.

Preferably, the limiting mechanism includes spacing post, the bottom and the fixing base fixed connection of spacing post, sliding connection has the telescopic link on the spacing post, the top of telescopic link extend to the top of spacing post and with carousel fixed connection.

Preferably, the cross-sectional shapes of the supporting tube and the operating rod are both square, the top of the supporting tube is in threaded connection with a fixing screw, and the bottom end of the fixing screw penetrates through the supporting tube and is in contact with the operating rod.

Preferably, the bottom between the connecting rod and the limiting column at the bottom is fixedly connected with a sliding block, the sliding block is connected with the fixing seat in a sliding mode, a bolt is inserted into the sliding block in a penetrating mode, and the sliding block is fixedly connected with the fixing seat through the bolt.

Preferably, the tibial osteotomy device comprises an osteotomy plate and a tibial osteotomy plate positioner.

Preferably, a cannula is integrally formed on the right side of the osteotomy plate, and an external thread is arranged on the cannula and matched with an internal thread of the thread sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides a shin bone cuts bone plate locator and shin bone cuts bone device possesses following beneficial effect:

1. this shin bone osteotomy plate locator and shin bone osteotomy device, carry out position location to the osteotomy plate through measuring step that can be normal, and utilize adjustment mechanism can change the perpendicular distance to osteotomy plate sword groove of locating piece bottom, measure the osteotomy degree of depth, after the location is accomplished simultaneously, utilize first nail or drill bit will cut the bone plate and fix, utilize rotatory thread bush alright will cut the bone plate and separate fixing base and locator, make things convenient for the follow-up sword groove on the osteotomy plate of doctor to cut the bone to the shin bone, form new shin bone platform, convenient to use, the operation is simple, the structure is reliable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the connection structure between the fixing base and the bone plate according to the present invention.

In the figure: 1. a fixed seat; 2. an adjustment mechanism; 201. a connecting rod; 202. a turntable; 203. an adjusting tube; 3. supporting a tube; 4. an operating lever; 5. positioning blocks; 6. inserting a block; 7. a threaded sleeve; 8. a osteotomy plate; 9. a limiting mechanism; 901. a limiting column; 902. a telescopic rod; 10. fixing the screw rod; 11. a slider; 12. and (4) inserting a tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a tibia osteotomy plate positioner comprises a fixed base 1, an adjusting mechanism 2 fixedly connected to the top of the fixed base 1, a supporting tube 3 rotatably connected to the top of the adjusting mechanism 2, an operating rod 4 slidably connected to the supporting tube 3, a positioning block 5 fixedly connected to the left end of the operating rod 4, two insert blocks 6 integrally formed on the top of the left side of the fixed base 1, two insert blocks 6, threaded sleeves 7 respectively sleeved on the two insert blocks 6, an osteotomy plate 8 arranged on the top of the left side of the fixed base 1, the two insert blocks 6 both inserted into the osteotomy plate 8, the two threaded sleeves 7 both threadedly connected to the osteotomy plate 8, the osteotomy plate 8 can be positioned normally by a measuring step, and the adjusting mechanism 2 can be used to change the distance from the bottom of the positioning block 5 to the knife slot of the osteotomy plate 8 to measure the osteotomy depth, and after the positioning is completed, utilize first nail or drill bit to cut hone lamella 8 and fix, utilize rotatory thread bush 7 alright will cut hone lamella 8 and fixing base 1 and locator and separate, make things convenient for the follow-up sword groove through cutting on the hone lamella 8 of doctor to cut the bone to the shin bone, form new tibial plateau, facilitate the use, easy operation, the structure is reliable.

Further, adjustment mechanism 2 includes two connecting rods 201, the bottom of the connecting rod 201 of bottom and 1 fixed connection of fixing base, the top fixedly connected with carousel 202 of the connecting rod 201 at top, threaded connection has the control tube 203 between two connecting rods 201, the top fixed mounting of fixing base 1 has limiting mechanism 9, limiting mechanism 9 is located adjustment mechanism 2's left side, limiting mechanism 9's top and carousel 202 fixed connection, rotation regulation tube 203, through two and its threaded connection's connecting rod 201, and through the rotation of limiting mechanism 9 restriction carousel 202, adjust the interval between two connecting rods 201, and then control carousel 202's height, the person of facilitating the use operates the use.

Further, limiting mechanism 9 includes spacing post 901, the bottom and the fixing base 1 fixed connection of spacing post 901, sliding connection has telescopic link 902 on the spacing post 901, the top of telescopic link 902 extend to the top of spacing post 901 and with carousel 202 fixed connection, through the cooperation of spacing post 901 and telescopic link 902, do not hinder carousel 202 to go up and down the condition under, avoid taking place relative rotation between carousel 202 and the fixing base 1, thereby ensure adjustment mechanism 2's normal use and operation.

Further, stay tube 3 is square with the cross sectional shape of action bars 4, the top threaded connection of stay tube 3 has set screw 10, set screw 10's bottom run through stay tube 3 and contact with action bars 4, because stay tube 3 is square with action bars 4, and then can avoid between stay tube 3 and action bars 4 when using action bars 4 rotate the measuring head that leads to 5 bottoms of locating piece in the inboard of stay tube 3 and take place the skew, the stability when having improved the device and using, guarantee to measure the precision.

Further, bottom fixedly connected with slider 11 between the connecting rod 201 of bottom and the spacing post 901, slider 11 and 1 sliding connection of fixing base, the bolt has been alternate on slider 11, slider 11 passes through bolt and 1 fixed connection of fixing base, because slider 11 passes through the bolt fastening on fixing base 1, can demolish the locator part from fixing base 1 in the dismouting bolt, easy dismounting satisfies user's user demand.

A tibia osteotomy device comprises an osteotomy plate 8 and a tibia osteotomy plate positioner.

Further, the right side integrated into one piece of osteotomy plate 8 has intubate 12, is provided with the external screw thread on intubate 12, and the screw thread matches with the internal thread of thread bush 7, and the convenient installation to osteotomy plate 8 and fixing base 1 is dismantled, raises the efficiency, and easy operation is in order to reduce the error of operation in-process, improves the success rate of performing the operation.

The working principle is as follows: by being able to properly position the osteotomy plate 8 through the measurement procedure, rotating the adjustment tube 203, through the two connecting rods 201 which are in threaded connection with the connecting rods, and through the matching of the limiting columns 901 and the telescopic rods 902, under the condition of not hindering the lifting of the turntable 202, the relative rotation between the turntable 202 and the fixed seat 1 is avoided, the distance between the two connecting rods 201 is adjusted, further controlling the height of the turntable 202, changing the distance from the bottom of the positioning block 5 to the knife groove of the osteotomy plate 8, measuring the osteotomy depth, simultaneously after the location is accomplished, utilize first nail or drill bit to cut hone lamella 8 and fix, utilize rotatory thread bush 7 alright will cut hone lamella 8 and fixing base 1 and locator and separate, make things convenient for the follow-up sword groove through cutting on the hone lamella 8 of doctor to cut the shin bone, form new tibial plateau, facilitate the use, easy operation, the structure is reliable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shin bone osteotomy plate locator, includes fixing base (1), its characterized in that: the utility model discloses a bone plate cutting machine, including fixing base (1), top fixedly connected with adjustment mechanism (2), the top of adjustment mechanism (2) is rotated and is connected with stay tube (3), alternate in stay tube (3) have rather than sliding connection's action bars (4), the left end fixedly connected with locating piece (5) of action bars (4), the left top integrated into one piece of fixing base (1) has two inserted blocks (6), two all cup jointed thread bush (7) on inserted block (6), the left top of fixing base (1) is provided with cuts hone lamella (8), two inserted block (6) all with cut hone lamella (8) and peg graft, two thread bush (7) all with cut hone lamella (8) threaded connection.

2. The tibial resection plate locator of claim 1, wherein: adjustment mechanism (2) include two connecting rods (201), the bottom and fixing base (1) fixed connection of connecting rod (201), the top fixedly connected with carousel (202), two of connecting rod (201) threaded connection has control tube (203) between connecting rod (201), the top fixed mounting of fixing base (1) has limiting mechanism (9), limiting mechanism (9) are located the left side of adjustment mechanism (2), the top and carousel (202) fixed connection of limiting mechanism (9).

3. The tibial resection plate locator of claim 2 wherein: the limiting mechanism (9) comprises a limiting column (901), the bottom end of the limiting column (901) is fixedly connected with the fixing seat (1), a telescopic rod (902) is connected onto the limiting column (901) in a sliding mode, and the top end of the telescopic rod (902) extends to the top of the limiting column (901) and is fixedly connected with the turntable (202).

4. The tibial resection plate locator of claim 1, wherein: the cross-sectional shapes of the supporting tube (3) and the operating rod (4) are both square, the top of the supporting tube (3) is in threaded connection with a fixing screw rod (10), and the bottom end of the fixing screw rod (10) penetrates through the supporting tube (3) and is in contact with the operating rod (4).

5. The tibial resection plate locator of claim 3 wherein: the bottom fixedly connected with slider (11) between connecting rod (201) and spacing post (901) of bottom, slider (11) and fixing base (1) sliding connection, the bolt has been alternate on slider (11), slider (11) pass through bolt and fixing base (1) fixed connection.

6. A tibial osteotomy device, comprising: a tibial osteotomy plate positioner and an osteotomy plate (8) according to any one of claims 1 to 5.

7. The tibial osteotomy device of claim 6, wherein: an insertion pipe (12) is integrally formed on the right side of the osteotomy plate (8), an external thread is arranged on the insertion pipe (12), and the thread is matched with the internal thread of the thread sleeve (7).