CN217828034U - Tibia II-type intramedullary nail instrument with adjustable specification - Google Patents
Tibia II-type intramedullary nail instrument with adjustable specification Download PDFInfo
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- CN217828034U CN217828034U CN202221309089.6U CN202221309089U CN217828034U CN 217828034 U CN217828034 U CN 217828034U CN 202221309089 U CN202221309089 U CN 202221309089U CN 217828034 U CN217828034 U CN 217828034U
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Abstract
The utility model relates to a shin bone II type intramedullary nail surgical instrument technical field discloses a shin bone II type intramedullary nail instrument of adjustable specification, including T type lock pin spanner pole, first spanner head and second spanner head, T type lock pin spanner pole has operation end and link, the operation end has operating handle, the link is with the detachable threaded connection of first spanner head or second spanner head, first spanner head and second spanner head all include the hexagonal spanner head, the hexagonal spanner head of first spanner head is the hexagonal spanner head of SW4.0 specification, the hexagonal spanner head of second spanner head is the hexagonal spanner head of SW4.5 specification; the utility model provides a pair of II type intramedullary nail apparatus of shin bone of adjustable specification has solved the surgical instruments of one set of intramedullary nail now and just need prepare the spanner of two kinds of differences, extravagant material, the problem of extravagant processing cost.
Description
Technical Field
The utility model relates to the technical field of tibia II-type intramedullary nail surgical instruments, in particular to a tibia II-type intramedullary nail instrument with adjustable specification.
Background
The diameter of a main nail selected by the existing tibia II-type intramedullary nail is different, the specifications of transverse locking nails selected by a distal end lock hole are different, when the diameter of the main nail is phi 8, a phi 4.0 transverse locking nail is selected, the head part of the transverse locking nail is SW4.0 hexagonal hole, when the diameter of the main nail is phi 8.5, a phi 4.5 transverse locking nail is selected, the head part of the transverse locking nail is SW4.0 hexagonal hole, when the diameter of the main nail is phi 9, a phi 5.0 transverse locking nail is selected, and the head part of the transverse locking nail is SW4.5 hexagonal hole.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shin bone II type intramedullary nail apparatus with adjustable specification, which is used for solving at least one of the problems existing in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a II type intramedullary nail apparatus of shin bone of adjustable specification, includes T type lock nail spanner pole, first spanner head and second spanner head, T type lock nail spanner pole has operation end and link, operating handle has on the operation end, the link is with the detachable threaded connection of first spanner head or second spanner head, first spanner head and second spanner head all include the hexagonal spanner head, the hexagonal spanner head of first spanner head is the hexagonal spanner head of SW4.0 specification, the hexagonal spanner head of second spanner head is the hexagonal spanner head of SW4.5 specification.
In the technical scheme, as the hexagonal wrench head of the first wrench head is the hexagonal wrench head of the SW4.0 specification, when the first wrench head is arranged at the connecting end of the T-shaped nail locking wrench rod, the first wrench head can be butted with the SW4.0 hexagonal hole of the head part of the transverse nail so as to realize the operation of the phi 4.0 transverse locking nail or the phi 4.5 transverse locking nail; because the hexagonal wrench head of the second wrench head is the hexagonal wrench head with the SW4.5 specification, when the second wrench head is arranged at the connecting end of the T-shaped nail locking wrench rod, the second wrench head can be butted with the SW4.5 hexagonal hole of the head part of the transverse nail, thereby realizing the operation of the transverse nail with phi 5.0; because T type lock pin spanner pole's link and the detachable threaded connection of first spanner head or second spanner head, conveniently realize the change to first spanner head or second spanner head, thereby so that the removable specific two kinds of not unidimensional spanner heads of a spanner pole, it is different to choose main nail diameter for use to current II type intramedullary nails of shin bone, under the different circumstances of the cross lock nail specification of distal end lockhole selection, thereby can the adaptability through changing the operation of first spanner head or second spanner head realization to current multiple cross lock nail, the design of T type lock pin spanner pole provides convenient for the operation.
To sum up, this design can realize a pole dual-purpose through the cooperation installation of the hexagonal spanner head of chooseing for use the different specifications of detachable and T type lock pin spanner pole, practices thrift processing cost.
Furthermore, in order to conveniently realize the locking of the first wrench head and the second wrench head, a hexagonal hole is formed in the hexagonal wrench head, and the first wrench head or the second wrench head can be locked and installed by operating the hexagonal hole through a wrench.
Furthermore, in order to provide a spanner of being convenient for operate with hexagonal hole matching, still include the stopper spanner, the both ends of stopper spanner are equipped with respectively with the spacing hexagonal spanner head of hexagonal hole matching. When unable bare-handed completion is installed to the locking of first spanner head and second spanner head, then spacing hexagonal spanner head on the accessible stopper spanner docks with the hexagonal hole to conveniently realize the locking operation to first spanner head or second spanner head.
Furthermore, in order to facilitate locking of the first wrench head or the second wrench head, the hexagonal hole is a hexagonal hole of the specification SW3.0, and the limiting hexagonal wrench head is a hexagonal wrench head of the specification SW 3.0.
Further, for the detachable installation of conveniently realizing first spanner head and second spanner head, be equipped with the screw hole on the link, all be equipped with on first spanner head and the second spanner head with screw hole screw-thread fit's external screw thread.
The beneficial effects of the utility model are that: in the technical scheme, as the hexagonal wrench head of the first wrench head is the hexagonal wrench head with the specification of SW4.0, when the first wrench head is arranged at the connecting end of the T-shaped locking screw wrench rod, the first wrench head can be butted with the SW4.0 hexagonal hole of the head part of the transverse locking screw, so that the operation of the phi 4.0 transverse locking screw or the phi 4.5 transverse locking screw is realized; because the hexagonal wrench head of the second wrench head is the hexagonal wrench head with the SW4.5 specification, when the second wrench head is arranged at the connecting end of the T-shaped nail locking wrench rod, the second wrench head can be butted with the SW4.5 hexagonal hole of the head part of the transverse nail, thereby realizing the operation of the transverse nail with phi 5.0; because T type lock nail spanner pole's link and the detachable threaded connection of first spanner head or second spanner head, conveniently realize the change to first spanner head or second spanner head, thereby so that the removable specific two kinds of not unidimensional spanner heads of a spanner pole, it is different to choose the main nail diameter for use to current II type intramedullary nails of shin bone, under the different circumstances of the horizontal lock nail specification of distal end lockhole selection, thereby can the adaptability through changing the operation of first spanner head or second spanner head realization to current multiple horizontal lock nail, the design of T type lock nail spanner pole provides convenient for the operation.
To sum up, this design can realize a pole dual-purpose through the cooperation installation of the hexagonal spanner head of chooseing for use the different specifications of detachable and T type lock pin spanner pole, practices thrift processing cost.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic structural view of a middle position limiter wrench according to the present invention;
fig. 4 is a schematic front view of the first wrench head of the present invention;
FIG. 5 is a schematic cross-sectional view of a first wrench head according to the present invention;
FIG. 6 is a schematic top view of the first wrench head according to the present invention;
FIG. 7 is a schematic front view of a second wrench head according to the present invention;
FIG. 8 is a schematic cross-sectional view of a second wrench head according to the present invention;
fig. 9 is a schematic top view of the second wrench head according to the present invention.
In the figure: a T-shaped lock pin wrench rod 1; a first wrench head 2; a second wrench head 3; an operating handle 4; a connecting end 5; a hexagonal wrench head 6; a hexagonal hole 7; a stopper wrench 8; a limiting hexagonal wrench head 9; a threaded hole 10; an external thread 11.
Detailed Description
Example 1:
as shown in fig. 1 to 9, the present embodiment provides a tibia ii-type intramedullary nail instrument with adjustable specifications, which includes a T-shaped nail-locking wrench rod 1, a first wrench head 2 and a second wrench head 3, wherein the T-shaped nail-locking wrench rod 1 has an operating end and a connecting end 5, the operating end has an operating handle 4, the connecting end 5 is detachably connected with the first wrench head 2 or the second wrench head 3 by a screw thread, the first wrench head 2 and the second wrench head 3 both include a hexagonal wrench head 6, the hexagonal wrench head 6 of the first wrench head 2 is a hexagonal wrench head 6 of SW4.0 specification, and the hexagonal wrench head 6 of the second wrench head 3 is a hexagonal wrench head 6 of SW4.5 specification.
In the technical scheme, as the hexagonal wrench head 6 of the first wrench head 2 is the hexagonal wrench head 6 of the SW4.0 specification, when the first wrench head 2 is arranged on the connecting end 5 of the T-shaped locking nail wrench rod 1, the hexagonal wrench head can be butted with the SW4.0 hexagonal hole 7 of the head part of the transverse locking nail, so that the operation of the transverse locking nail of phi 4.0 or phi 4.5 is realized; because the hexagonal wrench head 6 of the second wrench head 3 is the hexagonal wrench head 6 with the specification of SW4.5, when the second wrench head 3 is arranged on the connecting end 5 of the T-shaped nail locking wrench rod 1, the second wrench head can be butted with the SW4.5 hexagonal hole 7 of the head part of the transverse locking nail, thereby realizing the operation of the transverse locking nail with phi 5.0; because the link 5 of T type lock nail spanner pole 1 and the detachable threaded connection of first spanner head 2 or second spanner head 3, conveniently realize the change to first spanner head 2 or second spanner head 3, thereby so that the removable specific two kinds of not unidimensional spanner heads of a spanner pole, it is different to choose main nail diameter for use to current II type intramedullary nails of shin bone, under the different circumstances of the horizontal lock nail specification of distal end lockhole selection, thereby can the adaptability through changing first spanner head 2 or second spanner head 3 realize the operation to current multiple horizontal lock nail, T type lock nail spanner pole 1's design provides convenient for the operation.
To sum up, this design can realize a pole dual-purpose through the cooperation installation of the hexagonal spanner head 6 and the T type lock pin spanner pole 1 of selecting for use the different specifications of detachable, practices thrift the processing cost.
As shown in fig. 6, the opposite side dimension a of the hexagonal wrench head 6 of the SW4.0 specification, that is, the hexagonal wrench head 6, is 4.0mm, and as shown in fig. 9, the opposite side dimension B of the hexagonal wrench head 6 of the SW4.5 specification, that is, the hexagonal wrench head 6, is 4.5mm.
Example 2:
this embodiment is optimized based on embodiment 1 described above.
In order to conveniently lock the first wrench head 2 and the second wrench head 3, the hexagonal wrench head 6 is provided with a hexagonal hole 7, and the first wrench head 2 or the second wrench head 3 can be locked and installed by operating the hexagonal hole 7 with a wrench.
Example 3:
this example was optimized based on example 2 described above.
In order to provide a spanner convenient to operate and matched with the hexagonal hole 7, the spanner further comprises a limiter spanner 8, and two ends of the limiter spanner 8 are respectively provided with a limiting hexagonal spanner head 9 matched with the hexagonal hole 7. When unable bare-handed completion is to the locking installation of first spanner head 2 and second spanner head 3, then spacing hexagonal spanner head 9 on the accessible stopper spanner 8 docks with hexagonal hole 7 to conveniently realize the locking operation to first spanner head 2 or second spanner head 3.
Example 4:
this embodiment is optimized based on embodiment 3 described above.
In order to facilitate locking of the first wrench head 2 or the second wrench head 3, the hexagonal hole 7 is a hexagonal hole 7 with the specification of SW3.0, and the limiting hexagonal wrench head 9 is a hexagonal wrench head with the specification of SW 3.0.
As shown in fig. 6 and 9, the opposite side dimension C of the hexagonal hole 7 of the SW3.0 specification, that is, the hexagonal hole 7 is 3.0mm, and the opposite side dimension of the hexagonal wrench head of the sw3.0 specification, that is, the hexagonal wrench head is 3.0mm.
Example 5:
this embodiment is optimized based on embodiment 1 described above.
In order to conveniently realize the detachable installation of first spanner head 2 and second spanner head 3, be equipped with screw hole 10 on the link 5, all be equipped with on first spanner head 2 and the second spanner head 3 with screw hole 10 screw-thread fit's external screw thread 11.
Finally, it should be noted that: the above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A tibia II-type intramedullary nail instrument with adjustable specification is characterized in that: including T type lock nail spanner pole, first spanner head and second spanner head, T type lock nail spanner pole has operation end and link, operating handle has on the operation end, the detachable threaded connection of link and first spanner head or second spanner head, first spanner head and second spanner head all include the hexagonal spanner head, the hexagonal spanner head of first spanner head is the hexagonal spanner head of SW4.0 specification, the hexagonal spanner head of second spanner head is the hexagonal spanner head of SW4.5 specification.
2. The tibial type ii intramedullary nail device of claim 1, wherein said adjustable gauge comprises: and a hexagonal hole is formed in the hexagonal wrench head.
3. The adjustable-gauge tibial type ii intramedullary nail instrument of claim 2, wherein: the limiting device is characterized by further comprising a limiter wrench, wherein limiting hexagonal wrench heads matched with the hexagonal holes are arranged at two ends of the limiter wrench respectively.
4. The adjustable-gauge tibial II intramedullary nail device of claim 3, wherein: the hexagonal hole is a hexagonal hole of SW3.0 specification, and the limiting hexagonal wrench head is a hexagonal wrench head of SW3.0 specification.
5. The tibial type ii intramedullary nail device of claim 1, wherein said adjustable gauge comprises: the connecting end is provided with a threaded hole, and the first wrench head and the second wrench head are both provided with external threads matched with the threaded hole in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221309089.6U CN217828034U (en) | 2022-05-26 | 2022-05-26 | Tibia II-type intramedullary nail instrument with adjustable specification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221309089.6U CN217828034U (en) | 2022-05-26 | 2022-05-26 | Tibia II-type intramedullary nail instrument with adjustable specification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217828034U true CN217828034U (en) | 2022-11-18 |
Family
ID=84022704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221309089.6U Active CN217828034U (en) | 2022-05-26 | 2022-05-26 | Tibia II-type intramedullary nail instrument with adjustable specification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217828034U (en) |
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2022
- 2022-05-26 CN CN202221309089.6U patent/CN217828034U/en active Active
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