CN219557525U - Guide plate for guiding intramedullary nail opening to enter nail point - Google Patents
Guide plate for guiding intramedullary nail opening to enter nail point Download PDFInfo
- Publication number
- CN219557525U CN219557525U CN202223176806.5U CN202223176806U CN219557525U CN 219557525 U CN219557525 U CN 219557525U CN 202223176806 U CN202223176806 U CN 202223176806U CN 219557525 U CN219557525 U CN 219557525U
- Authority
- CN
- China
- Prior art keywords
- nail
- guide plate
- connecting structure
- bone surface
- adjusting frame
- 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.)
- Active
Links
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 22
- 210000000689 upper leg Anatomy 0.000 claims abstract description 10
- 210000000527 greater trochanter Anatomy 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 4
- UZUFPBIDKMEQEQ-UHFFFAOYSA-N perfluorononanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F UZUFPBIDKMEQEQ-UHFFFAOYSA-N 0.000 description 3
- 206010020100 Hip fracture Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010051055 Deep vein thrombosis Diseases 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 206010047249 Venous thrombosis Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001969 hypertrophic effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001694 thigh bone Anatomy 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a guide plate for guiding an intramedullary nail opening to enter a nail point, which belongs to the technical field of medical appliances and comprises a nail placing guide part, a bone surface applying part and a guide plate fixing part, wherein the nail placing guide part comprises a translation adjusting frame and a nail placing pipeline movably arranged at the top of the translation adjusting frame; the bone surface applying part comprises a connecting structure and a main body handle, the connecting structure is arranged in a hollow mode, and the top end of the connecting structure is fixed at the bottom of the translation adjusting frame and is communicated with the nail placing pipeline; the guide plate fixing part is arranged on the side edge of the bone surface applying part, and the bottom end of the connecting structure is fixed at the greater trochanter of the femur through the guide plate fixing part; the two adjacent side edges of the translation adjusting frame are respectively provided with a one-way adjusting nut, the two one-way adjusting nuts are connected with the nail placing pipeline, the translation adjusting frame respectively adjusts the positions of the nail placing pipeline in the X-axis direction and the Y-axis direction through the two one-way adjusting nuts, and the function of accurately positioning and marking the needle inserting position of the intramedullary nail opening is realized through the two one-way adjusting nuts.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a guide plate for guiding an intramedullary nail opening to enter a nail point.
Background
The intertrochanteric fracture refers to a fracture between the greater tuberosity and the lesser tuberosity of the femur, which occurs in the elderly over 60 years old, and the patient is often relieved by complications such as pulmonary infection, bedsores, deep venous thrombosis of the lower limbs, and is called as the last fracture in life. Closed reduction of intramedullary nail internal fixation (PFNA) of the proximal femur is a common and effective method of treating intertrochanteric fractures. For intertrochanter fracture of femur, proper needle insertion point is important, and determines the position and direction of main nail and also determines the quality of reduction. Although the needle insertion point in the PFNA operation manual is positioned at the 1/3 junction (side position) of the middle and front part of the greater trochanter apex (right position), the needle insertion point is better from the inner side wall of the greater trochanter apex to about 5mm from the inner side wall of the greater trochanter apex in clinic, and the adaptability of the bone channel generated by expanding marrow and the external deflection angle of the intramedullary nail is better, so that the damage caused by the extrusion of the external side wall can be effectively avoided. Because of the fat and hypertrophic muscles of the hip, the fracture site is deep, and it is difficult to accurately position the insertion point during surgery, a tool is highly needed to accurately position the ideal open insertion point.
Disclosure of Invention
The utility model aims to solve the problems and provides a guide plate for guiding an intramedullary nail opening nail feeding point, which comprises a nail placing guide part, a bone surface applying part and a guide plate fixing part, wherein the nail placing guide part comprises a translation adjusting frame and a nail placing pipeline movably arranged at the top of the translation adjusting frame;
the bone surface applying part is arranged in a hollow way, and the top end of the bone surface applying part is fixed at the bottom of the translation adjusting frame and is communicated with the nail placing pipeline;
the guide plate fixing part is arranged on the side edge of the bone surface applying part, and the bottom end of the bone surface applying part is fixed at the greater trochanter of the femur through the guide plate fixing part;
two adjacent side edges of the translation adjusting frame are also respectively provided with a one-way adjusting nut, the two one-way adjusting nuts are connected with the nail placing pipeline, and the translation adjusting frame respectively adjusts the positions of the nail placing pipeline in the X-axis direction and the Y-axis direction through the two one-way adjusting nuts.
Further, the bone surface applying part comprises a connecting structure, the connecting structure is a hollow cylinder, the guide plate fixing part is arranged on the periphery of the connecting structure, and the bottom end surface of the connecting structure is arranged to be a matching surface which is matched with the femoral trochanter.
Further, the baffle fixed part is including deviating from each other locating two supporting seats of connection structure periphery, is equipped with a pivot in every supporting seat, and every pivot is connected with a lever, and two levers set up relatively, and two pivots all are equipped with lock nut in the side of supporting seat, and the baffle passes through two levers cooperation two lock nuts and fixes in thighbone department.
Further, the lever comprises a caliper and a caliper handle which are integrally arranged, the rotating shaft is connected to the joint of the caliper and the caliper handle, and a plurality of clamping teeth are arranged on opposite faces of the two calipers at equal intervals.
Further, the bone surface applying part further comprises a main body handle, wherein the main body handle is arranged on the periphery of the connecting structure and is positioned between the two supporting seats.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the guide plate for guiding the intramedullary nail opening to enter the nail point, the positions of the nail placing pipeline in the X-axis and Y-axis directions can be adjusted at any time through the two unidirectional adjusting nuts arranged on the two sides of the translation adjusting frame, so that the functions of accurately positioning and marking the intramedullary nail opening to enter the needle are realized.
2. The guide plate for guiding the intramedullary nail opening to the nail feeding point has the advantages of simple structure, simplicity and safety in operation and strong practicability.
Drawings
FIG. 1 is a schematic view of a guide plate for guiding an intramedullary nail opening into a nail point according to the present utility model;
FIG. 2 is a schematic diagram of a front view of a guide plate for guiding an intramedullary nail opening into a nail point according to the present utility model;
FIG. 3 is a schematic view of the locations of a guide plate for guiding the intramedullary nail opening into the nail point and the greater trochanter of the femur in accordance with the present utility model.
1, translating an adjusting frame; 2. a connection structure; 3. a mating surface; 4. a nail placing pipeline; 5. a unidirectional adjusting nut; 6. a main body handle; 7. a support base; 8. a rotating shaft; 9. a caliper handle; 10. a caliper; 11. a fastening nut; 12. and (5) clamping teeth.
Detailed Description
A guide pin spot guide for guiding an intramedullary pin opening in accordance with the present utility model will be described in more detail below in conjunction with the drawings, in which preferred embodiments of the present utility model are shown, it being understood that one skilled in the art may modify the utility model described herein while still achieving the beneficial effects of the utility model and, therefore, the following description should be construed as broadly known to those skilled in the art and not limiting the utility model.
In the description of the present utility model, it should be noted that, for the azimuth words such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.
As shown in fig. 1 and 2, a guide plate for guiding an intramedullary nail opening into a nail point includes a nail placement guide portion, a bone surface application portion, and a guide plate fixing portion. The nail placing guide part comprises a translation adjusting frame 1 and a nail placing pipeline 4, the bone surface applying part comprises a connecting structure 2 and a main body handle 6, the connecting structure 2 is fixed at the bottom of the translation adjusting frame 1, the connecting structure 2 is a cylinder, the inside is hollow, the nail placing pipeline 4 is arranged at the top of the translation adjusting frame 1, the bottom end of the nail placing pipeline extends into the inside of the translation adjusting frame 1 and is communicated with the hollow connecting structure 2, the lower end surface of the connecting structure 2 is provided with a matching surface 3 which is attached to the greater trochanter of the femur of a human, the matching surface 3 is universal, and the nail placing guide part can be suitable for most people.
In order to improve the positioning accuracy, the lateral side of the translation adjusting frame 1 is provided with two unidirectional adjusting nuts 5, the two unidirectional adjusting nuts 5 are respectively positioned on the front side surface and the right side surface of the translation adjusting frame 1 and are connected with a nail placing pipeline 4 extending into the translation adjusting frame 1 through a ball screw, and the two unidirectional adjusting nuts 5 realize the adjustment of the X-axis direction position and the Y-axis direction position of the nail placing pipeline 4 on the translation adjusting frame 1 through the ball screw, so that the accurate positioning and the accurate marking of the needle inserting position of an intramedullary nail opening are further realized.
In the operation process, the Kirschner wire is inserted from the nail placing pipeline 4, and the arrangement of the nail feeding pipeline 4 prevents the direction from being inclined when the Kirschner wire is inserted, thereby improving the operation precision.
The guide plate fixing part comprises two supporting seats 7, two rotating shafts 8 and two levers fixed on the two rotating shafts 8, wherein the two supporting seats 7 are arranged on the periphery of the connecting structure 2 in a deviating mode, the rotating shafts 8 are movably arranged inside the supporting seats 7, the periphery is connected with fastening nuts 11 for fastening the rotating shafts 8 on the supporting seats 7, the fastening nuts 11 are arranged on the side edges of the supporting seats 7, the two levers are oppositely arranged and rotate through the rotating shafts 8, and therefore the function that the guide plate fixing part fixes the guide plate at the femur is achieved.
Specifically, the lever includes calliper handle 9 and calliper 10, and pivot 8 is fixed in the junction of calliper handle 9 and calliper 10, and the opposite face of two callipers 10 all is provided with a plurality of latches 12, and the equidistant just relative setting of latches 12 of two callipers 10.
The main body handle 6 is fixed on the periphery of the connecting structure 2 and is arranged on the front side surface of the connecting structure 2 and is positioned between the two supporting seats 7.
The operation flow of the utility model is as follows:
referring to fig. 3, in the operation, the nail placing pipe 4 is first confirmed to be at the initial position, and the nail placing pipe 4 is specifically located at the scale 0 position on the X, Y shaft. The patient's gluteus medius is passively separated, and the doctor holds the main body handle 6 of the front guide plate to operate, and firstly performs rough positioning at the greater trochanter by utilizing the matching surface 3 of the bone surface application part. When the application operation is carried out, the calipers 10 on two sides slide downwards along the bone surface, so that the damage to blood vessels and nerves is avoided, the calipers handle 9 is pulled open to clamp the left and right calipers 10, the rotary fastening nuts 11 play a role of a locking device, and the rough application positioning is finished.
The position of the nail placing pipeline 4 is adjusted through unidirectional adjusting nuts 5 on two sides of the rotary translation adjusting frame 1, and accurate positioning is completed. After being adjusted to the proper position, the doctor inserts a k-wire along the nail placing pipeline 4 as the positioning of the subsequent PFNA opening position. And (3) checking the position of the Kirschner wire by utilizing perspective in operation, and taking down the guide plate after confirming no errors, so as to finish the subsequent operation of the operation. After the operation is finished, the nail placing pipeline 4 of the guide plate is returned to the original point, and can be repeatedly used after being cleaned and disinfected.
The utility model has simple structure, simple and convenient operation, safety and strong practicability.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the utility model without departing from the scope of the technical solution of the utility model, and the technical solution of the utility model is not departing from the scope of the utility model.
Claims (4)
1. The guide plate is characterized by comprising a nail placing guide part, a bone surface applying part and a guide plate fixing part, wherein the nail placing guide part comprises a translation adjusting frame and a nail placing pipeline movably arranged at the top of the translation adjusting frame;
the bone surface applying part is arranged in a hollow mode, and the top end of the bone surface applying part is fixed at the bottom of the translation adjusting frame and is communicated with the nail placing pipeline;
the guide plate fixing part is arranged on the side edge of the bone surface applying part, and the bottom end of the bone surface applying part is fixed at the greater trochanter of the femur through the guide plate fixing part;
two adjacent side edges of the translation adjusting frame are respectively provided with a one-way adjusting nut, the two one-way adjusting nuts are connected with the nail placing pipeline, and the translation adjusting frame respectively adjusts the positions of the nail placing pipeline in the X-axis direction and the Y-axis direction through the two one-way adjusting nuts;
the bone surface applying part comprises a connecting structure, the connecting structure is a hollow cylinder, the guide plate fixing part is arranged on the periphery of the connecting structure, and the bottom end face of the connecting structure is arranged to be a matching surface which is matched with the femoral trochanter.
2. The guide plate for guiding an intramedullary nail opening into a nail point according to claim 1, wherein the guide plate fixing part comprises two supporting seats which are arranged on the periphery of the connecting structure in a mutually deviating way, a rotating shaft is arranged in each supporting seat, each rotating shaft is connected with a lever, the two levers are oppositely arranged, locking nuts are arranged on the two rotating shafts on the side edges of the supporting seats, and the guide plate is fixed at a femur by matching the two levers with the two locking nuts.
3. The guide plate for guiding an opening of an intramedullary nail into a nail point according to claim 2, wherein the lever comprises a caliper and a caliper handle which are integrally arranged, the rotating shaft is connected to the joint of the caliper and the caliper handle, and a plurality of clamping teeth are arranged on opposite surfaces of two calipers at equal intervals.
4. The intramedullary nail opening entry point guide of claim 2, wherein the bone surface applicator further comprises a body handle disposed about the periphery of the connecting structure and between the two support seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223176806.5U CN219557525U (en) | 2022-11-29 | 2022-11-29 | Guide plate for guiding intramedullary nail opening to enter nail point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223176806.5U CN219557525U (en) | 2022-11-29 | 2022-11-29 | Guide plate for guiding intramedullary nail opening to enter nail point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219557525U true CN219557525U (en) | 2023-08-22 |
Family
ID=87671201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223176806.5U Active CN219557525U (en) | 2022-11-29 | 2022-11-29 | Guide plate for guiding intramedullary nail opening to enter nail point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219557525U (en) |
-
2022
- 2022-11-29 CN CN202223176806.5U patent/CN219557525U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12295634B2 (en) | Bone fixation system, assembly, implants, devices, alignment guides, and methods of use | |
| US11395691B2 (en) | Alignment guide apparatus, methods and systems | |
| US3561437A (en) | Apparatus for fixing fractures of the femur | |
| WO2016134160A1 (en) | Bone plating kit for foot and ankle applications | |
| US20220257267A1 (en) | System and technique for metatarsal realignment with reduced incision length | |
| US20090264884A1 (en) | Apparatus for External Fixation of the Pelvic Ring | |
| CN107789050B (en) | Quick positioner for femoral intramedullary nail needle insertion point | |
| AU2019341596B2 (en) | A femoral nail and instrumentation system | |
| US20140276878A1 (en) | Intramedullary nail holding device | |
| CN108261233A (en) | A kind of intertrochanter fracture of femur combined splint inner fixing device and auxiliary sight tool | |
| EP3191001B1 (en) | Modular proximal femoral osteotomy blade-plate assembly | |
| US11925364B2 (en) | Implant, alignment guides, system and methods of use | |
| CN105615979A (en) | Auxiliary device used in PFNA (proximal femoral nail anti-rotation) internal fixation surgery | |
| CN219557525U (en) | Guide plate for guiding intramedullary nail opening to enter nail point | |
| CN112603514A (en) | Plum blossom direction steel sheet for femoral neck fracture | |
| CN111728685B (en) | A proximal insertion point positioning and navigation device for femoral intramedullary nail | |
| CN209464080U (en) | A coracoclavicular ligament reconstructor | |
| CN210354870U (en) | Low-incisura locking type external tibial fixing frame | |
| CN211583460U (en) | Drill point guider for neck of femur | |
| CN114052823A (en) | Children DDH proximal femur osteotomy navigation template and use method thereof | |
| CN212631001U (en) | Puncture reduction fixation brace | |
| CN219109632U (en) | Osteotomy plate for pediatric orthopedic treatment | |
| CN220124792U (en) | X-shaped locking bone fracture plate | |
| CN113133820A (en) | Sacroiliac joint dislocation closed reduction and minimally invasive bionic internal fixation system | |
| CN219700185U (en) | Animal bone fracture plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |