CN214761319U - Tibial transverse bone moving osteotome - Google Patents
Tibial transverse bone moving osteotome Download PDFInfo
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- CN214761319U CN214761319U CN202120229616.1U CN202120229616U CN214761319U CN 214761319 U CN214761319 U CN 214761319U CN 202120229616 U CN202120229616 U CN 202120229616U CN 214761319 U CN214761319 U CN 214761319U
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Abstract
The utility model relates to an orthopedic surgical instrument, in particular to a tibia transverse bone moving osteotomy device, which comprises an osteotomy drill bit, an osteotomy positioning component and a telescopic mechanism; the bone cutting positioning assembly comprises a bone cutting guide plate and a positioning plate, wherein the bone cutting guide plate is arranged below the bone cutting positioning assembly, the positioning plate is fixedly connected above the bone cutting guide plate, and the bone cutting guide plate and the positioning plate are both rectangular and annular; a plurality of circular osteotomy positioning through holes are uniformly formed in the osteotomy guide plate, and a plurality of strip-shaped limiting through holes are formed in the positioning plate; the telescopic mechanism top offsets with the locating plate, and the telescopic mechanism below is equipped with the reference column that offsets with cutting bone positioning hole, cut bone drill bit from last down and parallel with the reference column after passing spacing through-hole, telescopic mechanism in proper order to can get into the adjacent bone positioning hole that cuts bone positioning hole of reference column place. This osteotomy device simple structure, design benefit can effectively realize the location and punch to the angle of punching all can be adjusted, avoids haring the cortex lycii, is favorable to reducing postoperative complication.
Description
Technical Field
The utility model relates to an orthopedic surgery instrument, in particular to a tibial transverse bone moving osteotome.
Background
Diabetic foot is one of the most serious complications of diabetic patients, because diabetic patients have lower limb infection, ulcer formation and/or deep tissue damage due to combined neuropathy and peripheral vascular diseases of different degrees, and one leg is cut off due to the diabetic foot every 30 seconds in the world. At present, the diabetic foot can be treated by the transverse tibial bone movement, and the treatment mechanism is that the transverse tibial bone movement enables the lower limb to quickly form a new microvascular system. In the transverse tibial bone transportation operation treatment, a 10 multiplied by 2cm rectangular osteotomy is needed to be performed on the front inner side bone surface of the upper section of the tibia, and the transverse bone transportation treatment is performed in a reciprocating manner in a certain period after the external fixing frame is installed, so that the regeneration of local micro blood vessels is promoted, and the blood transportation condition of the far end limb is improved. During the operation, when the rectangular osteotomy is performed, 2.7mm drill bits are adopted to drill holes one by one to form stamp effect, and then a bone knife is used for chiseling bone blocks to free the bone blocks. Regular rectangles are difficult to drill during manual positioning and drilling in the operation, the connecting line of the drill holes is tortuous, bone fragments are easy to break when the osteotome is chiseled, the drill holes cannot be drilled at the same angle under the manual positioning, the cortex of the opposite side bone is inevitably damaged, and fracture complications at the osteotomy part are caused when a diabetic foot patient moves after the operation.
In order to solve the problem, the utility model with application number 201921717622.0 provides a transverse tibial carrying osteotomy device, the osteotomy angle of each osteotomy edge is different, and each osteotomy hole can guide, and the operation is simpler and safer. However, the circular through hole (guide channel) of the osteotome is prone to wear during long-term use, and once one circular through hole is damaged, the whole osteotome needs to be replaced; in addition, due to the arrangement of the round through holes, the same angle of drilling is adopted on the same osteotomy edge, and the problem that the bone cortex is damaged easily in the aspect of the long osteotomy edge is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem and providing a tibial transverse bone moving osteotomy device. This osteotomy device simple structure, design benefit can effectively realize the location and punch to the angle of punching all can be adjusted, avoids haring the cortex lycii, is favorable to reducing postoperative complication.
In order to achieve the above object, the utility model adopts the following technical scheme:
the transverse tibia bone moving osteotomy device comprises an osteotomy drill, an osteotomy positioning component and a telescopic mechanism; the bone cutting positioning assembly comprises a bone cutting guide plate and a positioning plate, wherein the bone cutting guide plate is arranged below the bone cutting positioning assembly, the positioning plate is fixedly connected above the bone cutting guide plate, and the bone cutting guide plate and the positioning plate are both rectangular and annular; a plurality of circular osteotomy positioning through holes are uniformly formed in the osteotomy guide plate, and a plurality of strip-shaped limiting through holes are formed in the positioning plate; the telescopic mechanism top offsets with the locating plate, and the telescopic mechanism below is equipped with the reference column that offsets with cutting bone positioning hole, cut bone drill bit from last down and parallel with the reference column after passing spacing through-hole, telescopic mechanism in proper order to can get into the adjacent bone positioning hole that cuts bone positioning hole of reference column place.
As a preferable scheme, the bone cutting guide plate is connected with the positioning plate through at least two connecting plates.
In detail, the telescopic mechanism comprises an outer sleeve, an inner sleeve and a spring, an upper groove matched with the width of the positioning plate is arranged above the outer sleeve, a mounting groove is arranged below the outer sleeve, and an outer sleeve cavity through which the osteotomy drill bit passes is arranged on the outer sleeve between the upper groove and the mounting groove; the upper part of the inner sleeve is sleeved in the mounting groove, and the middle part of the inner sleeve is provided with an inner sleeve cavity through which the osteotomy drill bit passes; one end of the spring is fixed at the bottom of the mounting groove, and the other end of the spring is fixed at the top of the inner sleeve.
Preferably, the upper end of the positioning column is fixed at the bottom of the inner sleeve.
As a preferred scheme, the bottom of the positioning column is provided with a hemispherical bulge.
Preferably, the depth of the upper groove is greater than the thickness of the positioning plate.
As a preferred scheme, the groove bottom of the upper groove is in smooth transition connection with the groove wall, and the groove bottom of the upper groove is in smooth transition connection with the outer sleeve cavity.
Preferably, the spring of the telescopic mechanism is in a compressed state after the telescopic mechanism is installed.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses simple structure, design benefit can effectively realize the location and punch to the angle of punching all can be adjusted, avoids haring the cortex lycii, reduces postoperative complication. The osteotomy positioning component has a simple structure, adopts the unidirectional limiting through hole and the fixed osteotomy positioning through hole to finely adjust the punching angle, can effectively avoid damaging cortical bone and slow down complications; the bone cutting guide plate and the positioning plate have the limiting function, so that the bone cutting guide plate is small in damage during bone cutting operation and can be repeatedly used; the arrangement of the strip-shaped limiting through holes realizes unidirectional limiting on one hand, and the length of the strip-shaped limiting through holes is limited on the other hand, each strip-shaped limiting through hole can correspond to a plurality of continuous osteotomy positioning through holes, so that the aim of adjusting the punching angle can be fulfilled, and the strip-shaped limiting through holes can be adjusted only in a small range, thereby avoiding the problems that the holes are large in space and difficult to cut by a osteotome.
2. The utility model discloses telescopic machanism's setting can form a passageway that cuts the bone and punch between spacing through-hole and the bone cutting positioning hole to prevent to cut the bone drill bit cheap, cause to punch inaccurately, and because the setting of spacing through-hole, it is also very convenient to change the position.
3. The bone cutting guide plate is connected with the positioning plate through at least two connecting plates, the lower ends of the connecting plates are fixed on the opposite sides of the bone cutting guide plate, and the upper ends of the connecting plates are fixed on the opposite sides of the positioning plate, so that the bone cutting guide plate is in an erected state, and the connecting plates can be prevented from influencing the arrangement of the limiting through holes and the bone cutting positioning through holes; moreover, the osteotomy guide plate and the positioning plate can be arranged to be thicker, and the whole osteotomy positioning assembly mainly has the guiding function, so that the connection strength is very reliable.
4. The hole diameter of the osteotomy positioning through hole on the osteotomy guide plate of the utility model is slightly larger than the diameter of the osteotomy drill bit, so that different positions in the corresponding limiting through hole can ensure that the osteotomy drill bit can hit the tibia through the osteotomy positioning through hole; when the osteotomy guide plate is thicker, the osteotomy positioning through hole is correspondingly provided with a similar hourglass shape with a small middle and two large ends, and the length of the limiting through hole is appropriately shortened to ensure that the position of the hole is in an expected range during punching.
5. The telescopic mechanism of the utility model has simple structure, is adjustable, and has simple adjustment operation; when the positioning column moves to different osteotomy positioning through holes in the same limiting through hole, the positioning column can be moved to the next osteotomy positioning through hole only by lifting the inner sleeve pipe of the positioning column; when the limiting through hole and the osteotomy positioning through hole are required to be adjusted, the outer sleeve is pressed downwards to enable the upper groove to be separated from the corresponding positioning plate of the limiting through hole, then the outer sleeve is moved to enable the upper groove to correspond to the positioning plate at the position of the other limiting through hole, the outer sleeve is loosened, and then the osteotomy positioning through hole corresponding to the positioning column is adjusted in the same way. The use is simple and convenient, once the telescopic mechanism is damaged in the punching process, the whole telescopic mechanism can be replaced immediately, and the method is simple, quick and efficient; when the telescopic mechanism is maintained, only the damaged outer sleeve, inner sleeve or spring can be replaced correspondingly, and the maintenance cost is low.
6. The utility model discloses the reference column diameter is greater than the maximum diameter of cutting the bone locating hole, both can prevent that the reference column from getting into to cut the bone locating hole and leading to damaging the shin bone, can play the positioning action again. The bottom of the positioning column is provided with a hemispherical bulge, so that the positioning column can be prevented from separating from a tibia positioning hole when positioning and punching are carried out, and the punching deviation is caused.
7. The depth of the upper groove of the utility model is larger than the thickness of the positioning plate, which can ensure that the positioning plate can not be separated from the outer sleeve when punching, and prevent punching deviation; and, the equal smooth transition of upper groove inner edge department connects to different corresponding positions in the same spacing through-hole of adaptation avoids wearing and tearing the locating plate.
Drawings
FIG. 1 is a schematic structural view of the osteotomy positioning assembly of the present invention;
FIG. 2 is a schematic diagram of the positioning plate structure of the present invention;
FIG. 3 is a schematic view of the bone cutting guide plate of the present invention;
FIG. 4 is a schematic view of the structure of the telescopic mechanism of the present invention;
fig. 5 is a schematic sectional view of the telescopic mechanism of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-osteotomy drill bit, 2-osteotomy guide plate, 21-osteotomy positioning through hole, 3-positioning plate, 31-limiting through hole, 4-positioning column, 41-outer sleeve, 42-inner sleeve, 43-spring, 44-upper groove, 45-mounting groove, 46-outer sleeve cavity, 47-inner sleeve cavity and 5-connecting plate.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
The present embodiment aims to provide a tibial lateral bone moving osteotomy device, which comprises an osteotomy drill 1, an osteotomy positioning assembly and a telescoping mechanism. The improvement of the present embodiment only includes the following detailed description, and the related technologies such as the osteotomy bit 1 and the driving method thereof are not improved, so that the details are not repeated herein.
Specifically, referring to fig. 1 to 5, the osteotomy positioning assembly of the present embodiment includes a lower osteotomy guide 2, and a positioning plate 3 fixedly connected above the osteotomy guide, wherein the osteotomy guide and the positioning plate are both rectangular and annular; and the bone cutting guide plate 2 is connected with the positioning plate 3 through at least two connecting plates 5. The lower end of the connecting plate is fixed on the opposite bone cutting guide plate edge, while the upper end is fixed on the opposite positioning plate edge, in an erected state, so that the connecting plate can be prevented from influencing the arrangement of the through holes on the connecting plate; moreover, the osteotomy guide plate and the positioning plate can be arranged to be thicker, and the whole osteotomy positioning assembly mainly has the guiding function, so that the connection strength is very reliable.
The osteotomy guide plate 2 is uniformly provided with a plurality of circular osteotomy positioning through holes 21, and the positioning plate 3 is provided with a plurality of strip-shaped limiting through holes 31. The punching angle is finely adjusted by adopting the one-way limiting through hole and the osteotomy positioning through hole at the fixed position, so that the cortex lycii can be effectively prevented from being damaged, and complications are relieved; and its preparation consumptive material is few, and is with low costs, cuts bone baffle and locating plate and all does spacing effect, and the damage is little when cutting the bone operation, can repeat repetitious usage. The arrangement of the strip-shaped limiting through holes realizes unidirectional limiting on one hand, and the length of the strip-shaped limiting through holes is limited on the other hand, each strip-shaped limiting through hole can correspond to a plurality of continuous osteotomy positioning through holes, so that the aim of adjusting the punching angle can be fulfilled, and the strip-shaped limiting through holes can be adjusted only in a small range, thereby avoiding the problems that the holes are large in space and difficult to cut by a osteotome.
The upper portion of the telescopic mechanism is abutted to the positioning plate 3, the lower portion of the telescopic mechanism is provided with a positioning column 4 abutted to the osteotomy positioning through hole 21, and the osteotomy drill bit sequentially penetrates through the limiting through hole 31 and the telescopic mechanism from top to bottom and then is parallel to the positioning column and can enter the adjacent osteotomy positioning through hole of the osteotomy positioning through hole where the positioning column is located. This telescopic machanism's setting can form a passageway that cuts the bone and punch between spacing through-hole and the bone cutting positioning hole to prevent to cut the bone drill bit cheap, cause to punch inaccurately, and because the setting of spacing through-hole, its change position is also very convenient. The spring 43 of the telescopic mechanism is in a compressed state after the telescopic mechanism is installed, so that the telescopic mechanism is ensured not to be separated from the positioning plate and the bone cutting guide plate. The telescopic mechanism has simple structure, is adjustable and has simple adjustment operation; when the positioning column moves to different osteotomy positioning through holes in the same limiting through hole, the positioning column can be moved to the next osteotomy positioning through hole only by lifting the inner sleeve pipe of the positioning column; when the limiting through hole and the osteotomy positioning through hole are required to be adjusted, the outer sleeve is pressed downwards to enable the upper groove to be separated from the corresponding positioning plate of the limiting through hole, then the outer sleeve is moved to enable the upper groove to correspond to the positioning plate at the position of the other limiting through hole, the outer sleeve is loosened, and then the osteotomy positioning through hole corresponding to the positioning column is adjusted in the same way. The use is simple and convenient, once the telescopic mechanism is damaged in the punching process, the whole telescopic mechanism can be replaced immediately, and the method is simple, quick and efficient; when the telescopic mechanism is maintained, only the damaged outer sleeve, inner sleeve or spring can be replaced correspondingly, and the maintenance cost is low.
The hole diameter of the osteotomy positioning through hole on the osteotomy guide plate is slightly larger than the diameter of the osteotomy drill bit, so that the osteotomy drill bit can be ensured to pass through the osteotomy positioning through hole to hit the tibia at different positions in the corresponding limiting through hole; when the osteotomy guide plate is thicker, the osteotomy positioning through hole is correspondingly provided with a similar hourglass shape with a small middle and two large ends, and the length of the limiting through hole is appropriately shortened to ensure that the position of the hole is in an expected range during punching.
In detail, the telescopic mechanism comprises an outer sleeve 41, an inner sleeve 42 and a spring 43, an upper groove 44 matched with the width of the positioning plate 3 is arranged above the outer sleeve, a mounting groove 45 is arranged below the outer sleeve, and an outer sleeve cavity 46 through which the osteotomy drill bit 1 passes is arranged on the outer sleeve between the upper groove and the mounting groove; the upper part of the inner sleeve 42 is sleeved in the mounting groove 45, and the middle part of the inner sleeve is provided with an inner sleeve cavity 47 through which the osteotomy drill bit 1 passes; one end of the spring 43 is fixed at the bottom of the mounting groove 45, and the other end is fixed at the top of the inner sleeve 42.
The upper end of the positioning column 4 is fixed at the bottom of the inner sleeve 42, the diameter of the positioning column 4 is larger than the maximum diameter of the osteotomy positioning hole, so that the positioning column can be prevented from entering the osteotomy positioning hole to damage the tibia, and the positioning function can be achieved. The hemispherical protrusion is arranged at the bottom of the positioning column 4, so that the positioning column can be prevented from being separated from the tibia positioning hole when positioning and punching, and the punching deviation is caused.
Meanwhile, the depth of the upper groove 44 is greater than the thickness of the positioning plate 3, so that the positioning plate can not be separated from the outer sleeve during punching, and punching deviation is prevented; and, the equal smooth transition of upper groove 44 internal edge department connects to different corresponding position in the same spacing through-hole of adaptation avoids wearing and tearing the locating plate.
Claims (8)
1. The tibia transverse bone moving osteotome comprises an osteotomy drill bit (1) and an osteotomy positioning component, and is characterized by further comprising a telescopic mechanism; the bone cutting positioning assembly comprises a bone cutting guide plate (2) at the lower part and a positioning plate (3) fixedly connected above the bone cutting guide plate, and the bone cutting guide plate and the positioning plate are both rectangular and annular; a plurality of circular osteotomy positioning through holes (21) are uniformly formed in the osteotomy guide plate (2), and a plurality of strip-shaped limiting through holes (31) are formed in the positioning plate (3); the telescopic mechanism top offsets with locating plate (3), and telescopic mechanism below is equipped with and cuts reference column (4) that bone positioning hole (21) offset, cut bone drill bit from last down pass spacing through-hole (31), telescopic mechanism back and parallel with the reference column in proper order to can get into the reference column place and cut in bone positioning hole's the adjacent bone positioning hole that cuts.
2. The tibial lateral bone transfer osteotomy device according to claim 1, wherein said osteotomy guide (2) is connected to said positioning plate (3) by means of at least two connection plates (5).
3. The tibia lateral bone moving osteotome device according to claim 1 or 2, wherein the telescopic mechanism comprises an outer sleeve (41), an inner sleeve (42) and a spring (43), an upper groove (44) matched with the width of the positioning plate (3) is arranged above the outer sleeve, a mounting groove (45) is arranged below the outer sleeve, and an outer sleeve cavity (46) through which the osteotomy drill bit (1) passes is arranged on the outer sleeve between the upper groove and the mounting groove; the upper part of the inner sleeve (42) is sleeved in the mounting groove (45), and the middle part of the inner sleeve is provided with an inner sleeve cavity (47) through which the osteotomy drill bit (1) passes; one end of the spring (43) is fixed at the bottom of the mounting groove (45), and the other end of the spring is fixed at the top of the inner sleeve (42).
4. The tibial lateral bone transfer osteotomy device according to claim 3, characterised in that said positioning post (4) is fixed at its upper end to the bottom of said internal cannula (42).
5. The tibial lateral bone transfer osteotomy according to claim 4, characterised in that said positioning post (4) has a hemispherical projection at its bottom.
6. The tibial lateral bone migration osteotomy according to claim 4 or 5, characterised in that said upper recess (44) has a depth greater than the thickness of the positioning plate (3).
7. The tibial lateral bone migration osteotomy device of claim 6, wherein said superior groove (44) has a smooth transition connection between a groove base and a groove wall, and wherein said superior groove has a smooth transition connection between a groove base and an external housing cavity (46).
8. The tibial lateral bone migration osteotomy device of claim 7, wherein said telescoping mechanism is mounted with its spring (43) in compression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120229616.1U CN214761319U (en) | 2021-01-27 | 2021-01-27 | Tibial transverse bone moving osteotome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120229616.1U CN214761319U (en) | 2021-01-27 | 2021-01-27 | Tibial transverse bone moving osteotome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214761319U true CN214761319U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120229616.1U Active CN214761319U (en) | 2021-01-27 | 2021-01-27 | Tibial transverse bone moving osteotome |
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| Country | Link |
|---|---|
| CN (1) | CN214761319U (en) |
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2021
- 2021-01-27 CN CN202120229616.1U patent/CN214761319U/en active Active
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