CN220988890U - Little rotor fixing tool - Google Patents
Little rotor fixing tool Download PDFInfo
- Publication number
- CN220988890U CN220988890U CN202322182994.0U CN202322182994U CN220988890U CN 220988890 U CN220988890 U CN 220988890U CN 202322182994 U CN202322182994 U CN 202322182994U CN 220988890 U CN220988890 U CN 220988890U
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- CN
- China
- Prior art keywords
- sleeve
- nail
- hollow screw
- handle
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000000528 lesser trochanter Anatomy 0.000 abstract description 8
- 210000000689 upper leg Anatomy 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 20
- 208000010392 Bone Fractures Diseases 0.000 description 7
- 206010017076 Fracture Diseases 0.000 description 7
- 206010052428 Wound Diseases 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model relates to a small rotor fixing tool, which is characterized in that: the novel nail guide device comprises a proximal aiming handle, an outer sleeve, a nail feeding spanner, a hollow screw and a guide needle, wherein the proximal aiming handle is provided with a sleeve channel, the outer sleeve is inserted into the sleeve channel of the proximal aiming handle, the nail feeding spanner is arranged inside the outer sleeve, the head of the nail feeding spanner is connected with the hollow screw in a matched mode, and the guide needle penetrates through the nail feeding spanner and is inserted into an inner hole of the hollow screw. The utility model can reset and fix the free lesser trochanter after fracture, has the advantages of convenient operation, accurate positioning, small wound and the like, also increases the supporting strength of the inner side wall of the femur of a patient, helps the patient recover the health faster, and reduces the probability of fracture again after operation.
Description
Technical Field
The utility model relates to a fixing tool, in particular to a lesser trochanter fixing tool capable of resetting and fixing a lesser trochanter free after fracture, and belongs to the technical field of medical appliances.
Background
At present, the fracture between the trochanters of the femur can be accompanied by the situation of displacement or free of the lesser trochanter, and the existing surgical tool is difficult to reset and fix in the absence of a matched aiming system. If the free bone pieces are to be fixed, the operation of cutting is required, which causes problems such as large wounds and increased operation time. Therefore, doctors generally do not fix the lesser trochanter under most surgical conditions, but the presence of free bone pieces greatly increases the time for the patient to recover after surgery, affects the patient's postoperative activity, and at the same time lacks inner sidewall support, increasing the probability of patient postoperative fracture again.
Disclosure of Invention
The purpose of the utility model is that: the small rotor fixing tool is convenient to operate, accurate in positioning and small in wound.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a little rotor fixing tool which innovation point lies in: the novel nail guide device comprises a proximal aiming handle, an outer sleeve, a nail feeding spanner, a hollow screw and a guide needle, wherein the proximal aiming handle is provided with a sleeve channel, the outer sleeve is inserted into the sleeve channel of the proximal aiming handle, the nail feeding spanner is arranged inside the outer sleeve, the head of the nail feeding spanner is connected with the hollow screw in a matched mode, and the guide needle penetrates through the nail feeding spanner and is inserted into an inner hole of the hollow screw.
In the above technical scheme, the proximal end aiming handle comprises an intramedullary nail aiming part and a handle part which are connected into a whole, the handle part is provided with a connector which is connected with the intramedullary nail in a positioning way, the intramedullary nail aiming part is provided with a sleeve channel, and the intramedullary nail aiming part is positioned at the sleeve channel and is provided with a left channel and a right channel with marks L and R.
In the technical scheme, the head of the nail loading wrench is provided with the hexagonal joint, the tail of the nail loading wrench is provided with the quick joint connected with the screwing instrument, and the hexagonal joint is matched with one end of the hollow screw in a positioning way.
In the technical scheme, the outer sleeve comprises a sleeve section and a handheld cap which are connected into a whole, and the handheld cap is convenient to operate, and the outer diameter of the handheld cap is larger than the aperture of the sleeve channel.
In the technical scheme, the hollow screw comprises a nut, a polish rod section and a thread section which are connected into a whole and are coaxially arranged, the nut is provided with a hexagonal counter bore matched with the head of the nail loading wrench in a positioning way, and the outer diameter of the polish rod section is smaller than the outer diameters of the nut and the thread section.
The utility model has the positive effects that: after the small rotor fixing tool is adopted, the fixing tool comprises a proximal aiming handle, an outer sleeve, an upper nail wrench, a hollow screw and a guide pin, wherein the proximal aiming handle is provided with a sleeve channel, the outer sleeve is inserted into the sleeve channel of the proximal aiming handle, the upper nail wrench is arranged in the outer sleeve, the head of the upper nail wrench is connected with the hollow screw in a matched manner, the guide pin passes through the upper nail wrench and is inserted into an inner hole of the hollow screw,
When in use, the outer sleeve is arranged in a sleeve channel of the proximal aiming handle, a guide pin sleeve with a guide pin through hole for guiding the guide pin to enter the axis is inserted into the outer sleeve in advance to provide a guide channel for the guide pin, then the guide pin sleeve is taken out, the guide pin selects an entering path for a hollow screw for fixing the small rotor, a hole is drilled in bone through a hollow drill bit to create a channel for implanting the hollow screw, the head of the upper nail wrench holds the channel for the hollow screw to enter the bone, the tail of the hollow screw props against the outer side wall of femur, the head is used for fixing free small rotor bone blocks, the free bone blocks are fixed on the bone by screwing the hollow screw, and the resetting and fixing of the small rotor are completed,
Therefore, the utility model combines the original proximal femur aiming system to reset and fix the free lesser trochanter after fracture, can be operated without cutting into large wounds, is convenient to operate, accurate to position and small in wounds, has the advantages of short operation time, quickening the recovery time of a patient after operation, does not influence the activity after operation and the like, increases the supporting strength of the inner side wall of the femur of the patient, helps the patient recover health faster, and reduces the probability of fracture again after operation.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of the utility model when the nail wrench is engaged with a cannulated screw;
Fig. 3 is a schematic perspective view of the present utility model in use.
Detailed Description
The utility model is further illustrated, but not limited, by the following examples in connection with the accompanying drawings.
As shown in fig. 1, 2 and 3, the small rotor fixing tool comprises a proximal aiming handle 1, an outer sleeve 2, an upper nail wrench 3, a hollow screw 4 and a guide pin 5, wherein the proximal aiming handle 1 is provided with a sleeve channel 10, the outer sleeve 2 is inserted into the sleeve channel 10 of the proximal aiming handle 1, the upper nail wrench 3 is arranged inside the outer sleeve 2, the head of the upper nail wrench 3 is connected with the hollow screw 4 in a matched manner, and the guide pin 5 penetrates through the upper nail wrench 3 and is inserted into an inner hole of the hollow screw 4.
As shown in fig. 1, in order to make the structure more reasonable and to facilitate the handling and use, the proximal sighting handle 1 includes an intramedullary nail sighting portion 11 and a handle portion 12 that are connected as a whole, the handle portion 12 has a connector 13 that is connected with the intramedullary nail in a positioning way, the intramedullary nail sighting portion 11 is provided with a sleeve channel 10, the intramedullary nail sighting portion 11 is located at the sleeve channel 10 and has a left and a right double channels with marks L and R, which are respectively fixed corresponding to the left affected limb and the right affected limb lesser trochanter.
As shown in fig. 2, in order to improve the operation efficiency of the surgery, the head of the nail wrench 3 is provided with a hexagonal joint 31, the tail of the nail wrench is provided with a quick joint 32 connected with the screwing instrument, and the hexagonal joint 31 is matched with one end of the hollow screw 4 in a positioning way.
As shown in fig. 1, for ease of handling and use, the outer sleeve 2 comprises an integral sleeve section 22 and a handcap 21 for ease of handling, the outer diameter of the handcap 21 being larger than the bore diameter of the sleeve passage 10, the outer sleeve 2 being inserted into the sleeve passage 10 of the proximal aiming handle 1 with the head of the sleeve section 22 against the bone surface, creating an operative channel, and protecting soft tissue.
As shown in fig. 2, in order to achieve a good reduction and fixation of the free bone pieces, the cannulated screw 4 comprises a nut 41, a polish rod section 42 and a threaded section 43 which are integrally and coaxially arranged, wherein the nut 41 is provided with a hexagonal counter bore which is matched with the head of the screw driver 1 in a positioning way, and the outer diameter of the polish rod section 42 is smaller than the outer diameters of the nut 41 and the threaded section 43. The nut 41 is located at one side of the bone, the polish rod section 42 is located in the passage of the bone, and the thread section 43 is screwed on the free bone block to fix the free bone block on the bone.
The specific operation process of the utility model is as follows:
as shown in fig. 3, the outer sleeve 2 is installed in the sleeve channel 10 of the proximal aiming handle 1, a guide pin sleeve with a guide pin through hole for guiding the guide pin to enter the axis is inserted into the outer sleeve 2 in advance to provide a guide channel for the guide pin 5, then the guide pin sleeve is taken out, the guide pin 5 selects an entry path for the hollow screw 4 for fixing the small rotor, a hole is drilled in bone by a hollow drill, a channel is created for implantation of the hollow screw 4, the hexagonal head 31 of the head of the upper nail spanner 3 is screwed into the hexagonal counter bore of the hollow screw 4, the upper nail spanner 3 is utilized to hold the exclusive channel of the hollow screw 4 into the bone 6, the nut 41 abuts against the outer side wall of femur, the polish rod section 42 is positioned in the channel of the bone, the thread section 43 is fixed on the free bone block, and the free bone block is fixed on the bone by screwing the hollow screw 4, so as to complete the resetting and fixing of the small rotor.
Therefore, the utility model combines the original proximal femur aiming system to reset and fix the free lesser trochanter after fracture, can be operated without cutting into large wounds, is convenient to operate, accurate to position and small in wounds, has the advantages of short operation time, quickening the recovery time of a patient after operation, does not influence the activity after operation and the like, increases the supporting strength of the inner side wall of the femur of the patient, helps the patient recover health faster, and reduces the probability of fracture again after operation.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. A little rotor fixing tool which is characterized in that: including proximal end aiming handle (1), outer sleeve (2), go up nail spanner (3), hollow screw (4) and guide pin (5), proximal end aiming handle (1) has sleeve passageway (10), in sleeve passageway (10) of proximal end aiming handle (1) are inserted in outer sleeve (2), go up nail spanner (3) and establish in the inside of outer sleeve (2), and go up the head and the hollow screw (4) cooperation of nail spanner (3) and be connected, guide pin (5) pass and go up nail spanner (3) and insert in the hole of hollow screw (4).
2. The small rotor securing tool as claimed in claim 1, wherein: the proximal sighting handle (1) comprises an intramedullary nail sighting portion (11) and a handle portion (12) which are connected into a whole, the handle portion (12) is provided with a connector (13) which is connected with an intramedullary nail in a locating mode, the intramedullary nail sighting portion (11) is provided with a sleeve channel (10), and the intramedullary nail sighting portion (11) is located at the sleeve channel (10) and provided with a left channel and a right channel which are marked with L and R.
3. The small rotor securing tool as claimed in claim 1, wherein: the head of the nail loading wrench (3) is provided with a hexagonal joint (31), the tail of the nail loading wrench is provided with a quick joint (32) connected with a screwing instrument, and the hexagonal joint (31) is matched with one end of the hollow screw (4) in a positioning mode.
4. The small rotor securing tool as claimed in claim 1, wherein: the outer sleeve (2) comprises a sleeve section (22) and a handheld cap (21) which are connected into a whole, wherein the outer diameter of the handheld cap (21) is larger than the aperture of the sleeve passage (10).
5. The small rotor securing tool as claimed in claim 1, wherein: the hollow screw (4) comprises a nut (41), a polish rod section (42) and a thread section (43) which are connected into a whole and are coaxially arranged, the nut (41) is provided with a hexagonal counter bore matched with the head of the nail loading wrench (3) in a positioning way, and the outer diameter of the polish rod section (42) is smaller than the outer diameters of the nut (41) and the thread section (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182994.0U CN220988890U (en) | 2023-08-14 | 2023-08-14 | Little rotor fixing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182994.0U CN220988890U (en) | 2023-08-14 | 2023-08-14 | Little rotor fixing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220988890U true CN220988890U (en) | 2024-05-24 |
Family
ID=91086393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322182994.0U Active CN220988890U (en) | 2023-08-14 | 2023-08-14 | Little rotor fixing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220988890U (en) |
-
2023
- 2023-08-14 CN CN202322182994.0U patent/CN220988890U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |