CN213552267U - Guider for embedding femoral neck fracture guide pin - Google Patents
Guider for embedding femoral neck fracture guide pin Download PDFInfo
- Publication number
- CN213552267U CN213552267U CN202022132220.3U CN202022132220U CN213552267U CN 213552267 U CN213552267 U CN 213552267U CN 202022132220 U CN202022132220 U CN 202022132220U CN 213552267 U CN213552267 U CN 213552267U
- Authority
- CN
- China
- Prior art keywords
- guide pin
- guide
- sleeve
- fixed plate
- positioning
- 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.)
- Expired - Fee Related
Links
- 208000020089 femoral neck fracture Diseases 0.000 title claims abstract description 18
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 18
- 210000004872 soft tissue Anatomy 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 210000001694 thigh bone Anatomy 0.000 abstract description 2
- 210000002436 femur neck Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model belongs to the technical field of medical instrument, concretely relates to a director that is used for femoral neck fracture guide pin to put into, the director that the use was put into to the guide pin when the purpose was solved current femoral neck fracture treatment need many times to lead, the guide pin is put into unparallel, the unable regulation of neck shaft angle and the internal diameter is improper and change the technical problem of director many times, and technical scheme is: including handheld rotating device, fixed position device and guide pin gatherer, be equipped with the pivot on the handheld rotating device, fixed position device includes the fixed plate, three guide cylinder, positioning sleeve and location guide pin dress are in the middle of the fixed plate, and the guide cylinder dress is on three angles of fixed plate, and guide pin gatherer includes three guide pin sleeve, three occupy-place guide pin and three occupy-place guide pin cap, and guide pin sleeve upper end is equipped with bone face fixed tooth, and the lower extreme is conical soft tissue separation end, the utility model is suitable for a patient of different bone volumes, different thighbone neck dry angles makes things convenient for the guide pin parallel arrangement, and the operation is stable.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to a director that is used for femoral neck fracture guide pin to put into.
Background
Femoral neck fractures are common fractures of lower limbs, and with the aging of the population being increased in recent years, the incidence rate tends to increase year by year. Because conservative treatment has more complications in bed and high femoral head necrosis rate, surgical treatment is adopted at present, and the prognosis of a patient can be obviously improved.
Patients with femoral neck fracture less than 65 years old usually adopt three cannulated screws for internal fixation, and the cannulated screws are usually implanted in parallel, and the implantation point is in an inverted triangle shape. The specific operation mode is that after the femoral neck fracture of a patient is reduced, three parallel guide pins arranged in an inverted triangle shape are sequentially placed under perspective, and then the hollow screw is sleeved outside the guide pins to be guided and placed. The insertion position and insertion angle of the lead is critical to the successful insertion of the cannulated screw. At present, the guide device is clinically used for guiding the insertion of the guide pin, the commonly used guide device only has a sleeve with a fixed inner diameter, and the angle of the neck trunk is fixed. The angle of the femoral neck trunk angle is gradually reduced from the infant to the adult with the age of the normal person, and the angle of the guide hole of the guider is fixed and cannot be adjusted according to the anatomical characteristics of patients at different ages, so that the hollow screw cannot be placed in a more accurate position. Meanwhile, due to different bone masses at different ages, the diameters of the guide needles to be placed are different, and the situation that the guide needle is replaced due to improper inner diameter of the guider is frequent in the operation, so that the complexity of the operation is increased.
Need the art person to put into three pieces of guide pins respectively by virtue of clinical experience when present director uses, and the actual conditions is, often can not once only put into preset position with the guide pin, need repeatedly extract, put into, just can obtain the suitable guide pin in three pieces of positions, and at this in-process, need use the art repeatedly in the X line machine carry out the perspective, has increased the radiation that patient and medical staff received, has endangered patient and medical staff's health, and has increased operation time and amount of bleeding.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the guider used by the guide pin is put into when the existing femoral neck fracture is treated, the guide pin needs to be guided for many times, the guide pin is put into unparallel, the neck angle can not be adjusted and the internal diameter is improper, and the guider can be changed for many times, and the guider for the femoral neck fracture guide pin is put into can be positioned fast, can be put into three guide pins, angle-adjustable and avoid frequent change in single parallel is provided.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a guider for inserting a guide pin for femoral neck fracture comprises a handheld rotating device, a fixed positioning device and a guide pin guiding device;
the handheld rotating device comprises a handle, a first connecting rod, a rotating shaft and a second connecting rod, wherein the upper end of the handle is connected with the lower end of the first connecting rod, the upper end of the first connecting rod is rotatably connected with the rotating shaft, the axial directions of the first connecting rod and the rotating shaft are mutually vertical, and the rotating shaft is rotatably connected with the lower end of the second connecting rod;
the fixed positioning device comprises a fixed plate, three guide cylinders, a positioning sleeve and a positioning guide pin, the fixed plate is of an inverted triangular plate-shaped structure, the three guide cylinders are perpendicular to the fixed plate and are arranged at three vertex positions, the positioning sleeve is arranged in the middle of the fixed plate, the upper end surfaces of the guide cylinders and the positioning sleeve and the top surface of the fixed plate are positioned on the same plane, the positioning guide pin is arranged in the positioning sleeve, the fixed plate is fixedly connected with the upper end of the second connecting rod through the guide cylinders at the vertex positions, and the fixed plate is parallel to the axial direction of the rotating shaft;
the leading-in device of guide pin includes that three guide pin sleeve, three occupy-place guide pin and three occupy-place lead the needle cap, occupy-place lead the needle cap and be cylindric structure, its lower terminal surface is the even sawtooth shape of circumference, occupy-place lead the needle cap the lower extreme middle be equipped with the bell mouth.
Furthermore, the guide pin sleeve is of a cylindrical structure, bone face fixing teeth are arranged at the upper end of the guide pin sleeve, the bone face fixing teeth are of a toothed structure uniformly arranged on the circumference, the lower end of the guide pin sleeve is a conical soft tissue separation end, and a guide pin channel penetrating through the guide pin sleeve is arranged in the middle of the guide pin sleeve.
Furthermore, the sawtooth shape at the lower end of the occupying guide needle cap is matched with the bone surface fixing teeth at the upper end of the guide needle sleeve, and the soft tissue separating end at the lower end of the guide needle sleeve is the same as the taper of the conical hole at the lower end of the occupying guide needle cap.
Further, the inner diameter of the guide cylinder is the same as the outer diameter of the guide pin sleeve, the inner diameter of the guide pin sleeve is the same as the diameter of the space-occupying guide pin, and the inner diameter of the positioning sleeve is the same as the diameter of the positioning guide pin.
Furthermore, the lower end face of the positioning sleeve is in a sawtooth shape with uniform circumference, and the length of the positioning sleeve is greater than that of the guide cylinder and smaller than that of the guide pin sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can ensure the inverted triangle arrangement and the parallelism of the inserted guide pins through the three parallel sleeves arranged in the inverted triangle;
2. the utility model can conveniently adjust the angle between the fixed plate and the handle by using the rotating shaft to adapt to patients with different cervical shaft angles, so that the guide pin can be more accurately placed;
3. the utility model is convenient to replace guide pin sleeves with various inner diameters, so that the utility model is suitable for patients with different bone mass;
4. the conical soft tissue separating end is arranged on the guide pin sleeve of the utility model, so that the guide pin sleeve can be more conveniently placed;
5. the utility model discloses a be equipped with dentate structure's bone face fixed tooth on the guide pin sleeve, make the guide pin sleeve can firmly inlay in thighbone outside cortex surface, improved the stability of operation director in the operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a schematic view of the fixing plate shown in FIG. 1;
FIG. 4 is a schematic structural view of the space occupying guide needle cap engaged with the bone surface fixation teeth of the guide needle sleeve;
FIG. 5 is a schematic view of the configuration of the placeholder guide needle cap in engagement with the soft tissue separation end of the guide needle sleeve;
FIG. 6 is a schematic diagram of a needle guide sleeve structure shown in FIG. 1;
FIG. 7 is a schematic view of the placeholder needle cap structure of FIG. 1;
FIG. 8 is a schematic bottom view of the needle guide cap of FIG. 1;
in the figure: 1-handle, 2-first connecting rod, 3-rotating shaft, 4-second connecting rod and 5-fixing plate; 6-guide cylinder, 7-positioning sleeve, 8-guide pin sleeve, 9-occupying guide pin, 10-positioning guide pin and 11-occupying guide pin cap;
wherein: 8.1-bone surface fixing teeth, 8.2-soft tissue separation ends, 8.3-guide needle channels and 11.1-tapered holes.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1-8, a guide for inserting a guide pin for femoral neck fracture comprises a handheld rotating device, a fixed positioning device and a guide pin guiding device;
the handheld rotating device comprises a handle 1, a first connecting rod 2, a rotating shaft 3 and a second connecting rod 4, wherein the upper end of the handle 1 is connected with the lower end of the first connecting rod 2, the upper end of the first connecting rod 2 is rotatably connected with the rotating shaft 3, the axial directions of the first connecting rod 2 and the rotating shaft 3 are mutually vertical, and the rotating shaft 3 is rotatably connected with the lower end of the second connecting rod 4;
the fixed positioning device comprises a fixed plate 5, three guide cylinders 6, a positioning sleeve 7 and a positioning guide pin 10, the fixed plate 5 is of an inverted triangular plate-shaped structure, the three guide cylinders 6 are all perpendicular to the fixed plate 5 and are arranged at three vertex points, the positioning sleeve 7 is arranged in the middle of the fixed plate 5, the upper end surfaces of the guide cylinders 6 and the positioning sleeve 7 are all located on the same plane with the top surface of the fixed plate 5, the positioning guide pin 10 is arranged in the positioning sleeve 7, the fixed plate 5 is fixedly connected with the upper end of the second connecting rod 4 through the guide cylinders 6 at the vertex points, and the fixed plate 5 is parallel to the axial direction of the rotating shaft 3;
guide pin leading-in device includes three guide pin sleeve 8, three occupy-place guide pin 9 and three occupy-place guide needle cap 11, occupy-place guide needle cap 11 is cylindric structure, and its lower terminal surface is the even sawtooth shape of circumference, occupy-place guide needle cap 11's lower extreme centre is equipped with bell mouth 11.1.
Three guide pin sleeve 8 is adorned respectively in three guide cylinder 6, three occupy-place guide pin 9 is adorned respectively in three guide pin sleeve 8, three occupy-place guide needle cap 11 is adorned respectively at the top of three occupy-place guide pin 9.
The guide pin sleeve 8 is of a cylindrical structure, bone face fixing teeth 8.1 are arranged at the upper end of the guide pin sleeve, the bone face fixing teeth 8.1 are of a toothed structure uniformly arranged on the circumference, the lower end of the guide pin sleeve is a conical soft tissue separation end 8.2, and a guide pin channel 8.3 penetrating through the guide pin sleeve 8 is arranged in the middle of the guide pin sleeve 8.
The sawtooth shape of the lower end of the occupying guide needle cap 11 is matched with the bone surface fixing teeth 8.1 at the upper end of the guide needle sleeve 8, and the taper of the soft tissue separating end 8.2 at the lower end of the guide needle sleeve 8 is the same as that of the conical hole 11.1 at the lower end of the occupying guide needle cap 11.
The internal diameter of guide cylinder 6 is the same with the external diameter of guide pin sleeve 8, the internal diameter of guide pin sleeve 8 is the same with the diameter of occupation guide pin 9, the internal diameter of location sleeve 7 is the same with the diameter of location guide pin 10.
The lower end face of the positioning sleeve 7 is in a sawtooth shape with uniform circumference, and the length of the positioning sleeve 7 is greater than that of the guide cylinder 6 and smaller than that of the guide pin sleeve 8.
The utility model discloses the working process is as follows:
1. after the femoral neck fracture is reset, the sheet is disinfected and paved;
2. according to the clinical experience of an operator, a positioning guide pin 10 is arranged in the positioning sleeve 7, whether the position is proper or not is observed in a perspective mode, and the general position of the fixing plate 5 is determined;
3. the handle 1 is held by hand, the first connecting rod 2 is rotated to rotate around the rotating shaft 3, the angle between the first connecting rod 2 and the second connecting rod 4 as well as the fixed plate 5 is adjusted, the fixed plate 5 is adjusted to the angle suitable for the femoral neck angle, meanwhile, the fixed plate 5 is rotated by taking the positioning guide pin 10 as a central shaft, and the guide cylinder 6 is adjusted to the suitable position;
4. firstly, a guide pin sleeve 8 is arranged in three guide cylinders 6 by taking a soft tissue separation end 8.2 as the front end, the skin at the corresponding position is cut, an occupying guide pin 9 is inserted into the guide pin sleeve 8 from a bone surface fixing tooth 8.1 end, an occupying guide pin cap 11 is propped against by a hand, the soft tissue separation end 8.2 is used for separating the soft tissue, the soft tissue separation end 8.2 reaches the bone surface, then the guide pin sleeve 8 is taken out, the occupying guide pin 9 and the occupying guide pin cap 11 (which are integrated) are taken out, the occupying guide pin 9 is arranged in the guide pin sleeve 8 from the soft tissue separation end 8.2 side, then the guide pin sleeve 8 is arranged in the guide cylinders 6 by taking the bone surface fixing tooth 8.1 as the front end, the occupying guide pin cap 11 is propped against, the bone surface fixing tooth 8.1 is tightly fixed on the outer side wall of the proximal end of the femur, and the guide pin 9 and the occupying guide pin cap;
5. the intraoperative guide pins are sequentially arranged in the three guide cylinders 6, the three guide pins are taken out after the hollow screw is observed in a perspective way and the depth is proper, the device is taken down, and the incision of the operation is sutured.
Claims (5)
1. A guider for inserting a femoral neck fracture guide pin is characterized in that: comprises a handheld rotating device, a fixed positioning device and a guide pin leading-in device;
the handheld rotating device comprises a handle (1), a first connecting rod (2), a rotating shaft (3) and a second connecting rod (4), wherein the upper end of the handle (1) is connected with the lower end of the first connecting rod (2), the upper end of the first connecting rod (2) is rotatably connected with the rotating shaft (3), the axial directions of the first connecting rod (2) and the rotating shaft (3) are mutually vertical, and the rotating shaft (3) is rotatably connected with the lower end of the second connecting rod (4);
the fixed positioning device comprises a fixed plate (5), three guide cylinders (6), a positioning sleeve (7) and a positioning guide pin (10), the fixed plate (5) is of an inverted triangular plate-shaped structure, the three guide cylinders (6) are perpendicular to the fixed plate (5) and are arranged at three vertex points, the positioning sleeve (7) is arranged in the middle of the fixed plate (5), the upper end surfaces of the guide cylinders (6) and the positioning sleeve (7) are located on the same plane with the top surface of the fixed plate (5), the positioning guide pin (10) is arranged in the positioning sleeve (7), the fixed plate (5) is fixedly connected with the upper end of the second connecting rod (4) through the guide cylinders (6) at the vertex points, and the fixed plate (5) is parallel to the axial direction of the rotating shaft (3);
the guide pin guiding device comprises three guide pin sleeves (8), three space occupying guide pins (9) and three space occupying guide pin caps (11), the space occupying guide pin caps (11) are of cylindrical structures, the lower end faces of the space occupying guide pin caps are in sawtooth shapes with uniform circumferences, and the middle of the lower ends of the space occupying guide pin caps (11) is provided with a conical hole (11.1);
three guide pin sleeve (8) are adorned respectively in three guide cylinder (6), three occupy-place guide pin (9) are adorned respectively in three guide pin sleeve (8), three occupy-place guide needle cap (11) are adorned respectively at the top of three occupy-place guide pin (9).
2. A guide for insertion of a femoral neck fracture guide pin according to claim 1, wherein: the bone-surface-fixing type bone-surface-conduction bone conduction device is characterized in that the guide pin sleeve (8) is of a cylindrical structure, bone-surface-fixing teeth (8.1) are arranged at the upper end of the guide pin sleeve, the bone-surface-fixing teeth (8.1) are of a toothed structure uniformly arranged on the circumference, the lower end of the guide pin sleeve is a conical soft tissue separation end (8.2), and a guide pin channel (8.3) penetrates through the middle of the guide pin sleeve (8).
3. A guide for insertion of a femoral neck fracture guide pin according to claim 1, wherein: the zigzag shape of the lower end of the occupying guide needle cap (11) is matched with bone surface fixing teeth (8.1) at the upper end of a guide needle sleeve (8), and the taper of a soft tissue separating end (8.2) at the lower end of the guide needle sleeve (8) is the same as that of a conical hole (11.1) at the lower end of the occupying guide needle cap (11).
4. A guide for insertion of a femoral neck fracture guide pin according to claim 1, wherein: the internal diameter of guide cylinder (6) is the same with the external diameter of guide pin sleeve (8), the internal diameter of guide pin sleeve (8) is the same with the diameter of occupy-place guide pin (9), the internal diameter of location sleeve (7) is the same with the diameter of location guide pin (10).
5. A guide for insertion of a guide pin for femoral neck fracture according to any one of claims 1 to 4, wherein: the lower end face of the positioning sleeve (7) is in a sawtooth shape with uniform circumference, and the length of the positioning sleeve (7) is greater than that of the guide cylinder (6) and less than that of the guide pin sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022132220.3U CN213552267U (en) | 2020-09-25 | 2020-09-25 | Guider for embedding femoral neck fracture guide pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022132220.3U CN213552267U (en) | 2020-09-25 | 2020-09-25 | Guider for embedding femoral neck fracture guide pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213552267U true CN213552267U (en) | 2021-06-29 |
Family
ID=76578094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022132220.3U Expired - Fee Related CN213552267U (en) | 2020-09-25 | 2020-09-25 | Guider for embedding femoral neck fracture guide pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213552267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113995493A (en) * | 2021-10-09 | 2022-02-01 | 上海市第六人民医院 | Femoral neck fracture bone grafting assembly and bone grafting method |
-
2020
- 2020-09-25 CN CN202022132220.3U patent/CN213552267U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113995493A (en) * | 2021-10-09 | 2022-02-01 | 上海市第六人民医院 | Femoral neck fracture bone grafting assembly and bone grafting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207785319U (en) | A kind of mandible reconstruction guiding device and mandible reconstruction system | |
| CN109480955B (en) | Operation guide plate in coracoclavicular ligament reconstruction and preparation method thereof | |
| CN213552267U (en) | Guider for embedding femoral neck fracture guide pin | |
| CN212650903U (en) | Kirschner wire positioning instrument for closed reduction of pelvic fracture | |
| CN105726108A (en) | Bone holder for minimally invasive orthopedic surgery | |
| CN102038547B (en) | Appliance for being implanted into sternoclavicular hook bone plate | |
| CN207384308U (en) | For the puncture cannula device of spinal vertebral operation | |
| CN215079358U (en) | Universal lock target adjusting combination device for spinal endoscope | |
| CN211583460U (en) | Drill point guider for neck of femur | |
| CN210170156U (en) | Auxiliary guide device for placing hollow screw in anterior cervical path for dentate process fracture | |
| CN111772729A (en) | Minimally invasive percutaneous pedicle drilling and pressing bone grafting device | |
| CN209770526U (en) | Adjustable pedicle of vertebral arch of taking protection device awl of opening a way | |
| CN207012235U (en) | A kind of pedicle of vertebral arch fixed system installation tool | |
| CN108056806B (en) | Centrum steel plate | |
| CN215839421U (en) | Orthopedics intramedullary nail operation biplane positioning and guiding device | |
| CN208130045U (en) | Fracture compression locating device | |
| CN213249631U (en) | Sacroiliac screw percutaneous implantation guiding device | |
| CN206239497U (en) | Neck of femur guide pin guider | |
| CN212650879U (en) | Minimally invasive percutaneous pedicle drilling and pressing bone grafting device | |
| CN106137372B (en) | Neck of femur guide pin guider | |
| CN218419995U (en) | Combined body surface positioning device | |
| CN220404103U (en) | Gram-type needle implantation guider for treating coronary fracture | |
| CN216933426U (en) | Bone grafting set device for minimally invasive spine surgery | |
| CN219374889U (en) | Cervical vertebra nail-placing guide plate | |
| CN217611493U (en) | Just abnormal planting anchorage nail baffle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |