CN213758440U - Adjustable minimally invasive decompression guiding device for femoral head necrosis in operating room - Google Patents
Adjustable minimally invasive decompression guiding device for femoral head necrosis in operating room Download PDFInfo
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- CN213758440U CN213758440U CN202022540521.XU CN202022540521U CN213758440U CN 213758440 U CN213758440 U CN 213758440U CN 202022540521 U CN202022540521 U CN 202022540521U CN 213758440 U CN213758440 U CN 213758440U
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- 230000017074 necrotic cell death Effects 0.000 title claims abstract description 25
- 230000006837 decompression Effects 0.000 title claims abstract description 24
- 206010002091 Anaesthesia Diseases 0.000 abstract description 7
- 230000037005 anaesthesia Effects 0.000 abstract description 7
- 238000005553 drilling Methods 0.000 abstract description 6
- 238000002690 local anesthesia Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000002980 postoperative effect Effects 0.000 abstract description 3
- 206010028851 Necrosis Diseases 0.000 description 13
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000015813 Familial avascular necrosis of femoral head Diseases 0.000 description 1
- 208000007875 Femur Head Necrosis Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 206010061213 Iatrogenic injury Diseases 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000002449 bone cell Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002436 femur neck Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 230000008338 local blood flow Effects 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 230000011164 ossification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000011541 total hip replacement Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The utility model discloses an operating room femoral head necrosis wicresoft decompression guider with adjustable relates to medical instrument technical field, including support arm, director and locking structure, the one end and the operation table of support arm are connected, the other end of support arm through first universal joint with the one end of locking structure is connected, the other end of locking structure pass through the second universal joint with the director is connected, the locking structure is used for the locking first universal joint with the second universal joint, the director is used for placing ke shi needle. The utility model discloses an operating room femoral head necrosis wicresoft decompression guider with adjustable can realize that drilling location is accurate, accomplish the purpose of porous track drilling fast to shorten perspective time, operation time and anesthesia time greatly, be favorable to under the local anesthesia the development of outpatient service operation in daytime, medical expense save and the postoperative is quick recovered.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially relate to an operating room femoral head necrosis wicresoft decompression guider with adjustable.
Background
Femoral head necrosis is also called aseptic necrosis of femoral head or ischemic necrosis of femoral head, and is a pathological change of further ischemia, necrosis, fracture of trabecular bone and collapse of femoral head of bone cells caused by poor local blood circulation of femoral head due to various reasons. The femoral head necrosis has high disability rate, and artificial total hip replacement is needed in the advanced stage of the pathological change if the treatment is not performed in time. The marrow core decompression technology can effectively reduce the intramedullary pressure of the femoral head, improve local blood supply and promote osteogenesis repair, thereby cutting off and reversing early and middle femoral head necrosis, and simultaneously, the operation cost is low, the operation is simple, and the popularization and the development are easy. However, the reduced pressure needs to be accurately positioned in the necrotic area, otherwise not only the efficacy is seriously affected, but also additional injuries are caused. In addition, in most of minimally invasive fine needle multi-pore medullary core decompression operations in hospitals, doctors need to drill holes after repeatedly positioning all fine needle paths in the positive side position under the perspective of an X-ray machine, the operation has high technical requirements on the doctors, meanwhile, the operation time is greatly prolonged, especially the repeated perspective under the X-ray can cause irradiation damage to human bodies, and the health of medical staff and patients is greatly harmed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an operating room femoral head necrosis wicresoft decompression guider with adjustable to realize that drilling location is accurate, accomplish the purpose of porous track drilling fast, thereby shortened perspective time, operation time and anesthesia time greatly, be favorable to under the local anesthesia the development of outpatient service operation in daytime, saving of medical expense and the postoperative is quick recovered.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides an operating room femoral head necrosis wicresoft decompression guider with adjustable, including support arm, director and locking structure, the one end and the operation table of support arm are connected, the other end of support arm through first universal joint with the one end of locking structure is connected, the other end of locking structure pass through the second universal joint with the director is connected, the locking structure is used for the locking first universal joint with the second universal joint, the director is used for placing ke shi needle.
Preferably, the first universal joint and the second universal joint have the same structure, the first universal joint and the second universal joint both include a ball joint and a ball head, the ball head is disposed in the ball joint, the ball head of the first universal joint is fixedly connected with the end of the support arm, a first locking portion of the locking structure extends into the ball joint of the first universal joint, a second locking portion of the locking structure extends into the ball joint of the second universal joint, and the first locking portion and the second locking portion are used for locking the ball head.
Preferably, the first locking portion and the second locking portion have the same structure, and the first locking portion and the second locking portion include a movable rod and an inner ball seat portion provided at one end of the movable rod, the inner ball seat portion having a shape matching a shape of the ball head.
Preferably, the locking structure further comprises a gear rod, a driving gear penetrates through the gear rod, the driving gear is meshed with driven gears arranged on two sides of the driving gear, and each driven gear is connected with one of the movable rods.
Preferably, the locking structure further comprises a gear rod, two driving gears are arranged on the gear rod in a penetrating mode, each driving gear is meshed with one driven gear, and each driven gear is connected with one movable rod.
Preferably, the locking structure further includes a first rotating portion and a second rotating portion, the bottom of the first rotating portion and the top of the second rotating portion are provided with tooth portions engaged with each other, the ball joints of the first rotating portion and the first universal joint, and the ball joints of the second rotating portion and the second universal joint are connected by a hollow sleeve, and the first locking portion and the second locking portion penetrate through the corresponding hollow sleeve and extend into each ball joint.
Preferably, the guider is connected with the second universal joint through an extension arm, the extension arm is a telescopic rod, the telescopic rod comprises a sleeve and a sliding rod arranged in the sleeve, a locking bolt is arranged on the side wall of the sleeve and used for fixing the sleeve and the sliding rod, the sleeve is connected with the second universal joint, and the sliding rod is connected with the guider.
Preferably, the guider includes the square structure, the structural through-hole of having seted up a plurality of parallels of square, guide sleeve wears to establish in the through-hole, guide sleeve is used for placing the kirschner wire.
Preferably, the support arm passes through the edge connection of fixer and operation table, the fixer includes first fixed part and second fixed part, the support arm is worn to establish in the first fixed part and through a bolt fastening of screwing, the edge setting of operation table is in the recess of second fixed part and through another the bolt fastening of screwing.
The utility model discloses for prior art gain following technological effect:
the utility model discloses during the use, be connected support arm and operation table, after the angle of director has been adjusted through first universal joint and second universal joint, adopt the locking structure to lock first universal joint and second universal joint, put into the ke shi needle in the director, insert the ke shi needle in the femoral head. The utility model discloses a first universal joint and second universal joint realize that many planes such as flexible, adduction, abduction, the anteversion of director, head incline are directional, can make corresponding adjustment fast according to the change that patient's position probably takes place in the art, the utility model discloses greatly simplified the operation flow, and easy operation is suitable for the patient of any operation table and different sizes, and the operation can go on under the compound intravenous anesthesia of local anesthesia, easily popularization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an adjustable minimally invasive decompression guiding device for femoral head necrosis in an operating room of the present invention;
FIG. 2 is a schematic view of the internal structure of the locking structure of the present invention;
fig. 3 is a schematic view of the guider of the present invention;
wherein: 1-a support arm, 2-a guide, 3-a locking structure, 4-a first universal joint, 5-a second universal joint, 6-a ball joint, 7-a ball head, 8-a movable rod, 9-an inner ball seat part, 10-a gear rod, 11-a driving gear, 12-a driven gear, 13-a first rotating part, 14-a second rotating part, 15-a hollow sleeve, 16-a sleeve, 17-a sliding rod, 18-a locking bolt, 19-a cube structure, 20-a through hole, 21-a guide sleeve, 22-a first fixing part, 23-a second fixing part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing an operating room femoral head necrosis wicresoft decompression guider with adjustable to realize that drilling location is accurate, accomplish the purpose of porous track drilling fast, thereby shortened perspective time, operation time and anesthesia time greatly, be favorable to under the local anesthesia the development of outpatient service operation in daytime, saving of medical expense and the postoperative is quick recovered.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1-3: the embodiment provides an operating room femoral head necrosis wicresoft decompression guider with adjustable, including support arm 1, director 2 and locking structure 3, the one end and the operation table of support arm 1 are connected, the other end of support arm 1 is connected with locking structure 3's one end through first universal joint 4, locking structure 3's the other end passes through second universal joint 5 and is connected with director 2, locking structure 3 is used for locking first universal joint 4 and second universal joint 5, director 2 is used for placing ke shi needle. When this embodiment uses, be connected support arm 1 and operation table, after the angle of 2 guides is adjusted through first universal joint 4 and second universal joint 5, adopt locking structure 3 to lock first universal joint 4 and second universal joint 5, put into ke shi needle in the guides 2, insert the ke shi needle in the femoral head. This embodiment realizes through first universal joint 4 and second universal joint 5 that the director 2 is flexible, adduction, abduction, incline, many planes orientation such as head-tilt, can make corresponding adjustment fast according to the change that the patient position probably takes place in the art, and the operation flow has greatly been simplified to this embodiment, and easy operation is suitable for the patient of any operation table and different sizes, and the operation can go on under the compound vein anesthesia of local anesthesia, easily popularizes.
In this embodiment, the first universal joint 4 and the second universal joint 5 have the same structure, the first universal joint 4 and the second universal joint 5 both include a ball joint 6 and a ball head 7, the ball head 7 is disposed in the ball joint 6, the ball head 7 of the first universal joint 4 is fixedly connected with the end of the support arm 1, the first locking portion of the locking structure 3 extends into the ball joint 6 of the first universal joint 4, the second locking portion of the locking structure 3 extends into the ball joint 6 of the second universal joint 5, and the first locking portion and the second locking portion are used for locking the ball head 7.
In this embodiment, the first locking portion and the second locking portion have the same structure, the first locking portion and the second locking portion include a movable rod 8 and an inner ball seat portion 9, the inner ball seat portion 9 is disposed at one end of the movable rod 8, the shape of the inner ball seat portion 9 matches the shape of the ball head 7, the ball head 7 can be locked by the contact between the inner ball seat portion 9 and the ball head 7, the inner seat portion is separated from the ball head 7, and the first universal joint 4 and the second universal joint 5 can be angularly adjusted.
In this embodiment, the locking structure 3 further includes a gear rod 10, two driving gears 11 are disposed on the gear rod 10 in a penetrating manner, each driving gear 11 is engaged with a driven gear 12, and each driven gear 12 is connected with a movable rod 8.
In this embodiment, the locking structure 3 further includes a first rotating portion 13 and a second rotating portion 14, the bottom of the first rotating portion 13 and the top of the second rotating portion 14 are provided with teeth portions that engage with each other, the ball joints 6 of the first rotating portion 13 and the first universal joint 4, the ball joints 6 of the second rotating portion 14 and the second universal joint 5 are connected by a hollow sleeve 15, and the first locking portion and the second locking portion penetrate through the corresponding hollow sleeve 15 and extend into each ball joint 6. The gear rod 10 is inserted into a housing formed by the first rotating portion 13 and the second rotating portion 14, and is rotatably connected with the first rotating portion 13 and the second rotating portion 14, and a rotating handle is further provided at the upper end of the gear rod 10. Through rotatory rotation handle, gear pole 10 drives driving gear 11 and rotates to drive driven gear 12 and rotate, driven gear 12 drives the interior ball seat portion 9 and the realization of bulb 7 of movable rod 8 one end and separates and the locking.
In this embodiment, the guider 2 is connected with the second universal joint 5 through an extension arm, the extension arm is a telescopic rod, the telescopic rod comprises a sleeve 16 and a sliding rod 17 arranged in the sleeve 16, a locking bolt 18 is arranged on the side wall of the sleeve 16, the locking bolt 18 realizes the fixation of the sleeve 16 and the sliding rod 17, the sleeve 16 is connected with the ball head 7 of the second universal joint 5 through a support rod perpendicular to the sleeve 16, the sliding rod 17 is connected with the guider 2, and the expansion and the rotation of the sliding rod 17 can be realized by adjusting the locking bolt 18.
In this embodiment, the guider 2 comprises a cube structure 19, a plurality of parallel through holes 20 are formed in the cube structure 19, a guide sleeve 21 is arranged in the through holes 20 in a penetrating manner, and the guide sleeve 21 is used for placing the kirschner wire.
In this embodiment, the supporting arm 1 is connected to the edge of the operating table through a fixing device, the fixing device includes a first fixing portion 22 and a second fixing portion 23, the supporting arm 1 is inserted into the first fixing portion 22 and fixed by a screw bolt, and the edge of the operating table is disposed in a groove of the second fixing portion 23 and fixed by another screw bolt.
When the decompression surgery is performed by adopting the embodiment, under the auxiliary perspective of an X-ray machine, a doctor firstly locks the support arm 1 with the edge of an operating table through a fixer, primarily adjusts the distance between the square structure 19 of the guider 2 and the outer side of the near end of the thigh of a patient through the support arm 1, adjusts the rotating handle to enable the first universal joint 4 and the second universal joint 5 to freely rotate, achieves the forward bending, the backward stretching, the inward contracting, the outward expanding, the inward rotating and the outward rotating of the square structure 19 of the guider 2 through adjusting the first universal joint 4 and the second universal joint 5, adjusts the direction of the through hole 20 of the square structure 19 of the guider 2 positioned at the near end of the thigh of the patient to be proper forward bending and head tilting, aims at the head and neck of the femur at the affected side, rotates the rotating handle to enable the first rotating part 13 and the second rotating part 14 of the locking structure 3 to be meshed and fixed, and simultaneously, the inner ball seat part 9 locks the ball head 7, the locking of the first universal joint 4 and the second universal joint 5 is realized, and the fitting and the positioning of a medullary core pressure reducing pore passage in the femoral head and neck are completed by inserting a kirschner wire into the guide sleeve 21; then, a plurality of kirschner wires are drilled into a necrosis area of a target in the femoral head and neck through the guide sleeve 21 in the through hole 20, and the percutaneous multi-pore canal minimally invasive fine needle decompression operation is completed. The first universal joint 4, the second universal joint 5 and the locking structure 3 of the present embodiment can be adjusted rapidly according to the change of the body position of the patient during the operation.
By adopting the embodiment, the operation process is greatly simplified, the operation is simple, the operation is suitable for patients with any operation bed and different body types, the operation can be performed under local anesthesia compound intravenous anesthesia, and the popularization is easy; meanwhile, medical staff do not need to hold the guide device by hands in the operation process, an operation gap can be far away from the operating table and the X-ray machine, the medical staff can avoid X-ray irradiation, and therefore iatrogenic injuries of the medical staff and patients caused by the X-ray irradiation are greatly reduced. The embodiment has reasonable structure, convenient operation, flexible adjustment, accurate guiding and low requirements on operating room environment and anesthesia, and is suitable for popularization and development of the femoral head necrosis minimally invasive medullary core decompression technology.
Example two
The difference between this embodiment and the first embodiment is: the locking structure 3 further comprises a gear rod 10, a driving gear 11 is arranged on the gear rod 10 in a penetrating mode, the driving gear 11 is meshed with driven gears 12 arranged on two sides of the driving gear 11, and each driven gear 12 is connected with a movable rod 8.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides an operating room femoral head necrosis wicresoft decompression guider with adjustable which characterized in that: including support arm, director and locking structure, the one end and the operation table of support arm are connected, the other end of support arm pass through first universal joint with locking structure's one end is connected, locking structure's the other end pass through the second universal joint with the director is connected, locking structure is used for the locking first universal joint with the second universal joint, the director is used for placing ke shi needle.
2. The adjustable minimally invasive decompression guide device for femoral head necrosis in an operating room according to claim 1, wherein: the structure of the first universal joint is the same as that of the second universal joint, the first universal joint and the second universal joint respectively comprise a ball joint and a ball head, the ball head is arranged in the ball joint, the ball head of the first universal joint is fixedly connected with the end part of the supporting arm, a first locking part of the locking structure extends into the ball joint of the first universal joint, a second locking part of the locking structure extends into the ball joint of the second universal joint, and the first locking part and the second locking part are used for locking the ball head.
3. The adjustable minimally invasive decompression guide device for femoral head necrosis in an operating room according to claim 2, wherein: the first locking part and the second locking part are identical in structure and comprise a movable rod and an inner ball seat part, the inner ball seat part is arranged at one end of the movable rod, and the shape of the inner ball seat part is matched with that of the ball head.
4. The adjustable minimally invasive decompression guide device for femoral head necrosis in operating room according to claim 3, wherein: the locking structure further comprises a gear rod, driving gears penetrate through the gear rod, the driving gears are meshed with driven gears arranged on two sides of the driving gears, and each driven gear is connected with one of the movable rods.
5. The adjustable minimally invasive decompression guide device for femoral head necrosis in operating room according to claim 3, wherein: the locking structure further comprises a gear rod, two driving gears penetrate through the gear rod, each driving gear is meshed with one driven gear, and each driven gear is connected with one movable rod.
6. The adjustable minimally invasive decompression guide device for femoral head necrosis in an operating room according to claim 2, wherein: the locking structure still includes first rotating part and second rotating part, the bottom of first rotating part with the top of second rotating part all is provided with intermeshing's tooth portion, first rotating part with the first universal joint the ball joint, the second rotating part with the second universal joint the ball joint all connects through a hollow sleeve pipe, first locking part with the second locking part passes correspondingly the hollow sleeve pipe and stretches into each in the ball joint.
7. The adjustable minimally invasive decompression guide device for femoral head necrosis in an operating room according to claim 1, wherein: the guider is connected with the second universal joint through an extension arm, the extension arm is a telescopic rod, the telescopic rod comprises a sleeve and a sliding rod arranged in the sleeve, a locking bolt is arranged on the side wall of the sleeve, the locking bolt is used for fixing the sleeve with the sliding rod, the sleeve is connected with the second universal joint, and the sliding rod is connected with the guider.
8. The adjustable minimally invasive decompression guide device for femoral head necrosis in an operating room according to claim 1, wherein: the guider comprises a cube structure, a plurality of parallel through holes are formed in the cube structure, a guide sleeve penetrates through the through holes, and the guide sleeve is used for placing the Kirschner wire.
9. The adjustable minimally invasive decompression guide device for femoral head necrosis in an operating room according to claim 1, wherein: the support arm passes through the edge connection of fixer and operation table, the fixer includes first fixed part and second fixed part, the support arm is worn to establish in the first fixed part and through a bolt fastening of screwing, the edge setting of operation table is in the recess of second fixed part and through another the bolt fastening of screwing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022540521.XU CN213758440U (en) | 2020-11-06 | 2020-11-06 | Adjustable minimally invasive decompression guiding device for femoral head necrosis in operating room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022540521.XU CN213758440U (en) | 2020-11-06 | 2020-11-06 | Adjustable minimally invasive decompression guiding device for femoral head necrosis in operating room |
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| CN213758440U true CN213758440U (en) | 2021-07-23 |
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| CN202022540521.XU Active CN213758440U (en) | 2020-11-06 | 2020-11-06 | Adjustable minimally invasive decompression guiding device for femoral head necrosis in operating room |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113616458A (en) * | 2021-09-17 | 2021-11-09 | 宿迁乐创医疗器械科技有限公司 | Kirschner wire positioning guider |
| CN114176800A (en) * | 2022-01-04 | 2022-03-15 | 上海交通大学 | Femoral head core decompression operation positioner and decompression method thereof |
-
2020
- 2020-11-06 CN CN202022540521.XU patent/CN213758440U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113616458A (en) * | 2021-09-17 | 2021-11-09 | 宿迁乐创医疗器械科技有限公司 | Kirschner wire positioning guider |
| CN114176800A (en) * | 2022-01-04 | 2022-03-15 | 上海交通大学 | Femoral head core decompression operation positioner and decompression method thereof |
| CN114176800B (en) * | 2022-01-04 | 2024-01-30 | 上海交通大学 | Femoral head marrow core decompression operation positioner and decompression method thereof |
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