CN210903222U - Auxiliary device for moving and cutting transverse tibia - Google Patents
Auxiliary device for moving and cutting transverse tibia Download PDFInfo
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- CN210903222U CN210903222U CN201921534862.7U CN201921534862U CN210903222U CN 210903222 U CN210903222 U CN 210903222U CN 201921534862 U CN201921534862 U CN 201921534862U CN 210903222 U CN210903222 U CN 210903222U
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- osteotomy
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- guide plate
- guide groove
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Abstract
The utility model discloses a transverse tibia bone moving and osteotomy auxiliary device, which comprises a osteotomy guide plate, wherein four corners of the osteotomy guide plate are provided with fixing holes, the four sides of the bone cutting guide plate are provided with guide structures which penetrate through the whole bone cutting guide plate in the thickness direction, the guide structure is arranged between two adjacent fixing holes, the osteotomy guide plate is provided with the guide structure, when in osteotomy, the osteotomy tool is used for operating along the guide structure, which is convenient for medical staff to determine the osteotomy area and range according to the medullary cavity condition of a patient, so that the size and the shape of the osteotomy part in the transverse tibial bone moving technology can be accurately controlled, the osteotomy shape is determined by the guide structure, so that the osteotomy shape is regular, the osteotomy guide plate is fixed in the area to be osteotomy, the osteotomy position can be positioned, and the postoperative fracture risk caused by excessive osteotomy and irregular osteotomy shape is reduced; has simple and reasonable structure, is expected to become a general bone-moving surgical instrument, benefits patients and reduces the working strength of operators.
Description
Technical Field
The utility model belongs to the field of medical equipment, concretely relates to horizontal bone of shin bone is moved and is cut bone auxiliary device.
Background
The diabetic foot and the chronic ischemic disease of the lower limb are frequently-occurring and intractable diseases in clinic, one diabetic patient loses one leg every 30 seconds in the world, 5 percent of diabetic patients in developed countries have the foot problem, and one of six people in the diabetic patient population suffers from the diabetic foot. German literature reports that 30 ten thousand patients have foot disease due to diabetes, with 50% of them facing amputation within 4 years of diagnosis. In the uk, the small amputation rate associated with type ii diabetes increased 2-fold and the large amputation rate associated with type 2 diabetes increased 43%. In China, the prevalence rate of diabetic feet is 14% of that of diabetic patients, the diabetic foot disability rate is high, amputees needing amputation account for about 5% -10%, the diabetic foot disability rate accounts for more than 50% of that of all non-traumatic amputations, the death rate is about 10% -14% in thirty days after amputation, and the diabetic foot disability rate is extremely harmful to the patients.
The transverse tibial bone moving method can reduce amputation, is simple and convenient, is easy to operate, has small wound surface, can quickly improve the state of an illness, relieves pain, improves the quality of life, has low treatment cost and is not easy to relapse.
The method is characterized in that a certain tension is generated by applying the Illizarov biological theory- 'tension-stress law' through continuous, slow and stable stretching of biological tissues, and regeneration and active growth of tissues such as bones, blood vessels, skins and the like are stimulated, so that the method is a theoretical basis for bone movement, bone nonunion, osteomyelitis and limb correction, the bone movement osteotomy is in a central position in the whole operation procedure, the current application method is a simple three-hole guide plate, holes are punched along an osteotomy line through an electric drill, and finally, the operation is performed in a manner of cutting by using a bone knife, the procedure is complex, the operation time is prolonged, the osteotomy range is generally 10cm × cm, the circumference is about 24cm, the diameter of the electric drill is generally 0.2cm, about 100-120 holes need to be punched, the simple three-hole osteotomy guide plate needs to be moved and fixed once when each hole is punched, the direction of an operator needs to be adjusted, the shape of the osteotomy is ensured to be regular, the width is balanced, the whole bone cutting takes 30 minutes, and is the most time consuming step in the whole operation process, and the manual operation is low in efficiency, the three-hole guide plate is easy to deflect, and.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a horizontal bone of shin bone is moved and is cut bone auxiliary device to solve the horizontal bone of shin bone and move the in-process and cut bone method loaded down with trivial details, the inconvenient and irregular problem of cutting the bone.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a horizontal bone of shin bone is moved and is cut bone auxiliary device, includes cuts the bone baffle, the fixed orifices is seted up at four angles of cutting the bone baffle, four limits of cutting the bone baffle set up guide structure, guide structure runs through whole bone baffle of cutting in the thickness direction, guide structure sets up between two adjacent fixed orificess.
The guide structure is a guide groove, the guide groove comprises a transverse guide groove and a longitudinal guide groove, the transverse guide groove is formed in the width direction of the bone cutting guide plate, the longitudinal guide groove is formed in the length direction of the bone cutting guide plate, the length of the transverse guide groove is 90-100 mm, and the length of the longitudinal guide groove is 10-18 mm.
The middle part of the longitudinal guide groove is divided into two parts to form a first guide groove and a second guide groove, both ends of the first guide groove and the second guide groove are provided with fixing holes, and two parallel transverse guide grooves are arranged between the fixing holes in the middle part of the bone cutting guide plate; the distance between the two sections of transverse guide grooves in the middle of the bone cutting guide plate is 10-14 mm.
The middle area of the bone cutting guide plate surrounded by the guide groove adopts a hollow design.
The width of the guide groove is 1.5-2.5 mm.
The guide structure is a series of guide holes, and the interval of the guide holes is 1 mm.
And the guide hole is provided with a circular arc chamfer along the edge of the side to be moved.
And a kirschner wire or a screw is arranged in the fixing hole.
And processing an arc-shaped chamfer at the edge of one surface of the fixing hole, which is attached to the bone to be moved.
The edge of the osteotomy guide plate is provided with scales, and the resolution ratio of the scales is 1 mm.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the osteotomy guide plate is provided with the guide structure, and an osteotomy tool is used for operating along the guide structure during osteotomy, so that medical workers can conveniently determine an osteotomy region and range according to the medullary cavity condition of a patient, the size and the shape of an osteotomy part in a transverse tibia bone moving technology can be accurately controlled, and the osteotomy shape is determined by the guide structure, so that the osteotomy shape is regular, the osteotomy guide plate is fixed in a to-be-osteotomy region, the osteotomy position can be positioned, and the postoperative fracture risk caused by excessive osteotomy and irregular osteotomy shape is reduced; cut bone baffle's simple structure is reasonable, can cooperate current fixed apparatus and wait to cut the bone region to fix in addition in the use, realize easily, be expected to become general bone and move surgical instruments, can full play the advantage of apparatus, medical staff cuts the bone under guide structure's effect, the operation time will be shortened greatly, reduce intraoperative hemorrhage, improve operation efficiency, can also reduce the infection rate, it reduces to move in-process fracture rate, be favorable to reducing in the art, postoperative complication, make the patient gain benefit, help making the operation more standardized and standardization simultaneously, reduce art person's working strength.
Furthermore, the guide groove enables the bone cutting mode to be a swing saw, and the guide hole can realize the drilling along the guide groove by using a drill bit, so that the bone cutting is neat and rapid; the osteotomy efficiency is improved, the operation time is shortened, and the operation difficulty and risk are reduced.
Furthermore, a single bone block may cause non-healing of the bone block after the operation due to the length-width ratio of the osteotomy, or cause the strength of the tibia to be reduced, the middle part of the longitudinal guide groove is divided into two parts to form two guide grooves, fixing holes are formed at two ends of the two guide grooves, and two parallel transverse guide grooves are formed between the fixing holes in the middle part of the longitudinal guide groove, so that the guide grooves are designed into two parts with the same size, thereby realizing the osteotomy by two methods, and avoiding the problem that the length-width ratio of the osteotomy of the single bone block may cause non-healing of the bone block after the operation due to the length-width ratio of the osteotomy, or causing the strength of the tibia to be reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of an alternative embodiment of the present invention.
Fig. 3 is a schematic structural diagram of another alternative embodiment of the present invention.
In the drawing, 1-a bone cutting guide plate, 2-a fixing hole, 3-a transverse guide groove, 4-a longitudinal guide groove, 41-a first guide groove and 42-a second guide groove.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
Referring to fig. 1 and 2, the transverse tibial bone moving and osteotomy auxiliary device comprises an osteotomy guide plate 1, wherein fixing holes 2 are formed in four corners of the osteotomy guide plate, guide structures are arranged on four sides of the osteotomy guide plate 1, the guide structures penetrate through the whole osteotomy guide plate in the thickness direction, and the guide structures are arranged between two adjacent fixing holes 2.
The guide structure is a guide groove, the guide groove comprises a transverse guide groove 3 arranged in the width direction of the bone cutting guide plate and a longitudinal guide groove 4 arranged in the length direction of the bone cutting guide plate, the length of the transverse guide groove 3 is 90-100 mm, and the length of the longitudinal guide groove 4 is 10-18 mm; the middle part of the longitudinal guide groove 4 is divided into two parts to form a first guide groove 41 and a second guide groove 42, both ends of the first guide groove 41 and the second guide groove 42 are provided with fixing holes 2, and two parallel transverse guide grooves 3 are arranged between the fixing holes 2 in the middle part of the bone cutting guide plate 1; the distance between the two sections of transverse guide grooves 3 in the middle of the bone cutting guide plate 1 is 10-14 mm.
The middle area of the bone cutting guide plate surrounded by the guide groove adopts a hollow design.
The width of the guide groove is 1.5-2.5 mm.
The guide structure is a series of guide holes, the space between the guide holes is 1mm, and the guide holes are attached to edges of one surface of the bone to be moved to form arc-shaped chamfers.
A Kirschner wire or a screw is arranged in the fixing hole; the edge of the fixing hole 2, which is attached to one side of the bone to be moved, is processed into an arc-shaped chamfer.
The edge of the osteotomy guide plate 1 is provided with scales, and the resolution of the scales is 1 mm.
According to the technical scheme, as shown in fig. 1 and 2, the auxiliary device for moving and cutting the transverse bones of the tibia is provided in the embodiment, and the cutting guide plate can be applied in the operation to enable the cutting to be rapid and regular, so that the operation efficiency is improved.
As shown in figure 1, the 3D printing technology is adopted, personalized tibia data of a patient are acquired and input into a computer, a part needing osteotomy is selected, the size of an osteotomy guide plate is designed according to the size of the anterior and medial surfaces of the tibia of different patients, and the osteotomy range is generally rectangular bone blocks of about 10cm × 2 cm.
in the embodiment 1, along the length direction of the osteotomy guide plate, the middle of the longitudinal guide groove 4 is not interrupted, the osteotomy block is a single bone block, the length of the single bone block is 9-10 cm, and the size of the osteotomy with the width of 1-2 cm is adjusted according to different patients; the bone cutting guide plate 1 and a region to be cut are combined with positioning holes on the periphery and Kirschner wires with the diameter of 2.0mm to be fixed, a miniature swing saw is used for sawing bones along the guide groove or an electric drill is used for continuously drilling holes along the guide groove to cut bones to form a single bone block, the single bone block is connected with the transverse tibial bone moving fixing frame, the subsequent bone moving treatment process is continued, and the bone cutting time can be shortened to 5 minutes.
As shown in fig. 3, optionally, the area of the bone cutting guide surrounded between the longitudinal guide grooves 4 and the transverse guide grooves 3 is hollowed out.
In the embodiment 3, a plurality of osteotomy guide holes are arranged on four sides of the osteotomy guide plate, and the spacing between the guide holes is 1 mm; namely, the periphery of the osteotomy guide plate is designed into guide holes which are arranged in order, after the osteotomy guide plate 1 is fixed by combining the peripheral positioning holes and kirschner wires with the diameter of 2.0mm, electric drills are adopted to drill the areas to be osteotomy one by one from the guide holes, then osteotomes are finished by using a bone knife or a swing saw, and the osteotomy time can be shortened to 10 minutes.
Optionally, the osteotomy guide holes are holes arranged continuously, or the interval between two adjacent guide holes is 1-2 mm.
Use the utility model discloses a working process as follows:
the bone cutting guide plate is fixed with the tibia surface through the peripheral fixing holes by 2.0mm kirschner wires, the bone cutting guide plate is kept stable, a miniature swing saw or an electric drill with the diameter of 2.0mm is used for drilling and cutting bones to form a single bone block with the thickness of 100mm × 20mm or two bone blocks with the thickness of 42mm × 20mm, the bone blocks are connected with an external fixing frame for bone moving, and transverse bone moving of the tibia is carried out according to a bone moving operation flow.
Claims (10)
1. The tibia transverse bone moving and osteotomy auxiliary device is characterized by comprising an osteotomy guide plate (1), wherein fixing holes (2) are formed in four corners of the osteotomy guide plate, guide structures are arranged on four sides of the osteotomy guide plate (1), the guide structures penetrate through the whole osteotomy guide plate in the thickness direction, and the guide structures are arranged between every two adjacent fixing holes (2).
2. The tibia transverse bone moving osteotomy auxiliary device according to claim 1, wherein the guide structure is a guide groove, the guide groove comprises a transverse guide groove (3) formed in a width direction of the osteotomy guide plate and a longitudinal guide groove (4) formed in a length direction of the osteotomy guide plate, the length of the transverse guide groove (3) is 90-100 mm, and the length of the longitudinal guide groove (4) is 10-18 mm.
3. The tibia transverse bone moving osteotomy auxiliary device according to claim 2, wherein the longitudinal guide groove (4) is divided into two parts in the middle to form a first guide groove (41) and a second guide groove (42), both ends of the first guide groove (41) and the second guide groove (42) are provided with fixing holes (2), and two parallel transverse guide grooves (3) are arranged between the fixing holes (2) in the middle of the osteotomy guide plate (1); the distance between the two sections of transverse guide grooves (3) in the middle of the osteotomy guide plate (1) is 10-14 mm.
4. The tibial lateral bone removal osteotomy aid of claim 2, wherein a hollowed out design is provided in a medial region of the osteotomy guide surrounded by the guide slot.
5. The tibial lateral bone movement osteotomy aid of any one of claims 2-4, wherein the guide slot has a width of 1.5-2.5 mm.
6. The tibial lateral bone movement osteotomy aid of claim 1, wherein said guide structure is a series of guide holes, said guide holes being spaced apart by 1 mm.
7. The tibial transverse bone movement osteotomy auxiliary device of claim 6, wherein an edge of a side of said guide hole facing a bone to be moved is chamfered in a circular arc shape.
8. The tibial lateral bone movement osteotomy aid of claim 1, wherein said fixation hole is configured with a k-wire or screw.
9. The tibia transverse bone moving osteotomy auxiliary device according to claim 1, wherein an edge of a side of the fixing hole (2) which is attached to a bone to be moved is provided with a circular arc chamfer.
10. The tibial lateral bone movement osteotomy aid according to claim 1, wherein the edge of the osteotomy guide (1) is provided with a scale having a resolution of 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921534862.7U CN210903222U (en) | 2019-09-16 | 2019-09-16 | Auxiliary device for moving and cutting transverse tibia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921534862.7U CN210903222U (en) | 2019-09-16 | 2019-09-16 | Auxiliary device for moving and cutting transverse tibia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210903222U true CN210903222U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921534862.7U Expired - Fee Related CN210903222U (en) | 2019-09-16 | 2019-09-16 | Auxiliary device for moving and cutting transverse tibia |
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| CN (1) | CN210903222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113598872A (en) * | 2021-09-03 | 2021-11-05 | 苏州景昱医疗器械有限公司 | Skull slotting tool |
-
2019
- 2019-09-16 CN CN201921534862.7U patent/CN210903222U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113598872A (en) * | 2021-09-03 | 2021-11-05 | 苏州景昱医疗器械有限公司 | Skull slotting tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20210916 |