CN115844482A - Length-adjustable quick-change orthopedic guide - Google Patents
Length-adjustable quick-change orthopedic guide Download PDFInfo
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- CN115844482A CN115844482A CN202211626444.7A CN202211626444A CN115844482A CN 115844482 A CN115844482 A CN 115844482A CN 202211626444 A CN202211626444 A CN 202211626444A CN 115844482 A CN115844482 A CN 115844482A
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Abstract
The application relates to a length-adjustable quick-change orthopedic guider, which belongs to the technical field of medical instruments and comprises a guide cylinder, wherein a through hole for a bone drill to pass through is formed in the guide cylinder, one end of the guide cylinder is connected with a guide pipe, and a dismounting assembly for connecting the guide pipe and the guide pipe is arranged between the end part of the guide cylinder and the end part of the guide pipe; an adjusting groove is formed in the end face, far away from the guide pipe, of the guide cylinder along the length direction of the through hole, a sliding shaft is connected in the adjusting groove in a sliding mode, one end of the sliding shaft is located outside the adjusting groove, and a through hole located on the same line with the through hole is formed in the end face of the sliding shaft; and an adjusting and positioning assembly for adjusting and fixing the position of the sliding shaft is arranged on the guide cylinder. This application has the length that can adjust the director to the adaptation is bored in the bone of different length specifications, improves the suitability and reduces use cost's effect.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a length-adjustable quick-change orthopedic guide.
Background
In the field of medical instruments, orthopedic guides are instruments through which bone drills are passed for guiding purposes.
The existing orthopedic guide comprises a guide cylinder provided with a through hole, and one end of the guide cylinder is connected with a guide pipe; the bone drill penetrates from one end of the guide cylinder far away from the guide tube, then penetrates out of the guide tube and is used for drilling in an operation.
Although the existing orthopedic guide has more specifications, one guide is only suitable for being matched with one drill bit, and has single effect and higher use cost.
Disclosure of Invention
In order to adjust the length of director to the adaptation is bored in the bone of different length specifications, improves the suitability and reduces use cost, this application provides an adjustable quick change orthopedics director of length.
The application provides an adjustable quick change orthopedics director of length adopts following technical scheme:
a length-adjustable quick-change orthopedic guide comprises a guide cylinder, wherein a through hole for a bone drill to penetrate through is formed in the guide cylinder, one end of the guide cylinder is connected with a guide pipe, and a dismounting assembly for connecting the guide pipe and the guide pipe is arranged between the end part of the guide cylinder and the end part of the guide pipe; an adjusting groove is formed in the end face, far away from the guide pipe, of the guide cylinder along the length direction of the through hole, a sliding shaft is connected in the adjusting groove in a sliding mode, one end of the sliding shaft is located outside the adjusting groove, and a through hole located on the same line with the through hole is formed in the end face of the sliding shaft; and an adjusting and positioning assembly for adjusting and fixing the position of the sliding shaft is arranged on the guide cylinder.
By adopting the technical scheme, the guide pipe can be detached from the guide cylinder by the detaching assembly so as to be convenient to replace, so that the maintenance and replacement cost of the guider is reduced; the position of the sliding shaft in the adjusting groove can be adjusted by adjusting the positioning assembly to change the sum of the lengths of the through hole and the through hole, so that the length adjustment of the guider is realized, the guider is adaptive to bone drills with different length specifications, the applicability is improved, and the use cost is reduced.
Optionally, the disassembling and assembling component comprises a sleeve, a fixed spring, a fixed block and a disassembling component, the sleeve is fixedly sleeved outside the guide tube, and after the guide tube is inserted into the guide tube, the sleeve is sleeved on the end part of the guide tube; the outer circumferential surface of the guide cylinder is provided with an accommodating groove, the fixing spring is fixed in the accommodating groove, the fixing block slides at the opening of the accommodating groove and is fixed with the fixing spring, and the inner circumferential surface of the sleeve is provided with a fixing groove communicated with the accommodating groove; when the fixing spring is in a natural state, the fixing block is positioned in the accommodating groove and the fixing groove at the same time; the disassembling component is used for completely jacking the fixing block into the accommodating groove.
By adopting the technical scheme, when the guide pipe is inserted into the guide cylinder, the sleeve is sleeved at the end part of the guide cylinder, the fixing block is pressed into the accommodating groove in advance, after the sleeve is moved in place, the accommodating groove is communicated with the fixing groove, the fixing spring pushes the fixing block to be inserted into the fixing groove, the automatic fixing of the sleeve and the guide cylinder is completed, and the installation efficiency of the guide pipe is improved; after in pushing up the holding tank completely with the fixed block through the dismantlement subassembly, can pull down sleeve and stand pipe.
Optionally, the fixing block is located in the fixing groove and is arranged to incline toward one side of the sleeve insertion direction.
Through adopting above-mentioned technical scheme, in the stand pipe inserted the stand pipe, when making the sleeve cover establish the stand pipe tip, the sleeve extrudees the inclined plane of fixed block, need not to press the fixed block into the holding tank in advance, has further improved the installation effectiveness of stand pipe.
Optionally, the disassembling component comprises a disassembling column, a disassembling plate and a disassembling spring, the fixing groove is opened to the outer peripheral surface of the sleeve, one end of the disassembling column slides in the fixing groove, the disassembling plate is fixed at one end, located outside the fixing groove, of the disassembling column, and the disassembling spring is fixed between the disassembling plate and the sleeve.
Through adopting above-mentioned technical scheme, press down and dismantle the board, make the dismantlement post impress the holding tank with the fixed block in, can pull down the sleeve from the guide cylinder, improved the dismantlement efficiency of stand pipe.
Optionally, the sleeve inside wall is fixed with the locating piece not of uniform size, and the constant head tank not of uniform size is seted up to the guide cylinder terminal surface, and when the sleeve cover was established on the guide cylinder, the locating piece inserted in corresponding the constant head tank.
Through adopting above-mentioned technical scheme, the locating piece that differs in size can be more accurate for the installation that makes the stand pipe, confirms the only direction and the angle of stand pipe to can prevent when using that the stand pipe from taking place to rotate.
Optionally, the adjusting and positioning assembly comprises an adjusting nut, the adjusting nut is rotatably connected to the end face of the guide cylinder, threads matched with the adjusting nut are arranged on the outer peripheral face of the sliding shaft, a guide tangent plane parallel to the sliding direction of the sliding shaft is cut on one side of the sliding shaft, and the shape of the adjusting groove is consistent with that of the sliding shaft.
Through adopting above-mentioned technical scheme, because the setting of direction tangent plane makes the sliding shaft only can slide along self length direction in the adjustment tank, can't produce and rotate, consequently rotates adjusting nut and can make the sliding shaft carry out not equidirectional slip, has improved the regulation efficiency of director length.
Optionally, the guide section is provided with a scale bar along the length direction thereof.
Through adopting above-mentioned technical scheme, the direction tangent plane not only can make the sliding shaft unable rotate, can also judge the gliding distance of sliding shaft through the scale strip, improves the regulation precision of director length.
Optionally, the adjusting and positioning assembly further comprises a guide block, a guide groove is formed in the outer peripheral surface of the sliding shaft along the length direction of the guide block, and the guide block is fixed on the inner wall of the adjusting groove and slides in the guide groove.
Through adopting above-mentioned technical scheme, when rotating adjusting nut, the guide block can cooperate the direction tangent plane, makes the slip axle can be more stable slide, improves operating stability.
Optionally, the adjusting nut outer diameter is greater than the guide cylinder outer diameter, an installation cylinder is fixed on the outer peripheral surface of the guide cylinder, an opening of the installation cylinder is arranged towards the adjusting nut end face, a reinforcing spring is fixed in the installation cylinder, a jacking block fixed with the reinforcing spring is arranged in the installation cylinder in a sliding mode, the reinforcing spring is always in a compression state, and the jacking block is tightly propped against the adjusting nut end face.
Through adopting above-mentioned technical scheme, the director is when using, and the kicking block will adjust nut top tightly, can avoid adjusting nut to receive external frictional force as far as possible and produce unexpected rotation, has improved the safety in utilization.
Optionally, the mounting cylinder is slidably connected with an extrusion rod, a pressing plate is fixed at the outer end of the extrusion rod, and a return spring is fixed between the pressing plate and the mounting cylinder; the bottom end of the extrusion rod is obliquely arranged, one side of the ejector block facing the extrusion rod is provided with an extrusion groove, and the inner side wall of the extrusion groove is an inclined plane matched with the bottom end of the extrusion rod; when the extrusion rod is inserted into the extrusion groove, the ejector block slides towards the inside of the installation cylinder.
Through adopting above-mentioned technical scheme, press and press the bottom that the board can make the extrusion stem and extrude the extrusion inslot gradually to extrude the kicking block orientation away from adjusting nut's direction, can rotate adjusting nut after kicking block and adjusting nut separate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the guide pipe can be detached from the guide cylinder by the disassembling and assembling assembly so as to be convenient to replace, so that the maintenance and replacement cost of the guide device is reduced; the position of the sliding shaft in the adjusting groove can be adjusted by adjusting the positioning assembly so as to change the sum of the lengths of the through hole and the through hole, so that the length adjustment of the guider is realized, the guider is suitable for bone drills with different length specifications, the applicability is improved, and the use cost is reduced;
2. due to the arrangement of the guide tangent plane, the sliding shaft can only slide along the length direction of the sliding shaft in the adjusting groove and cannot rotate, so that the sliding shaft can slide in different directions by rotating the adjusting nut, and the length adjusting efficiency of the guider is improved;
3. when the guider is used, the ejector block tightly pushes the adjusting nut, the adjusting nut can be prevented from being accidentally rotated due to external friction force as much as possible, and the use safety is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a partial sectional view showing an adjustment groove;
fig. 3 is a partially enlarged view of a portion a in fig. 2;
fig. 4 is a partial sectional view showing the disassembling and assembling assembly.
In the figure, 1, a guide cylinder; 11. a through hole; 12. an adjustment groove; 13. accommodating grooves; 14. positioning a groove; 2. a guide tube; 3. a sliding shaft; 31. perforating; 32. guiding the section; 33. a scale bar; 34. a guide groove; 4. disassembling and assembling the components; 41. a sleeve; 411. fixing grooves; 412. positioning blocks; 42. fixing the spring; 43. a fixed block; 44. disassembling the assembly; 441. disassembling the column; 442. disassembling the plate; 443. disassembling the spring; 5. adjusting the positioning assembly; 51. adjusting the nut; 52. a guide block; 6. mounting the cylinder; 61. a reinforcing spring; 62. a top block; 621. extruding a groove; 63. an extrusion stem; 64. pressing the plate; 65. a return spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses adjustable quick change orthopedics director of length.
Referring to fig. 1 and fig. 2, the length-adjustable quick-change orthopedic guide comprises a guide cylinder 1, a through hole 11 for a bone drill to pass through is coaxially formed in the guide cylinder 1, one end of the guide cylinder 1 is connected with a guide pipe 2, the other end of the guide cylinder is coaxially provided with an adjusting groove 12, a sliding shaft 3 is slidably connected in the adjusting groove 12, one end of the sliding shaft 3 is located outside the adjusting groove 12, and a through hole 31 which is located on the same straight line with the through hole 11 is coaxially formed in the end surface of the sliding shaft 3; a dismounting component 4 for connecting the guide tube 2 and the guide cylinder 1 is arranged between one end of the guide tube 2 and the guide cylinder 1, and an adjusting and positioning component 5 for adjusting and fixing the sliding position of the sliding shaft 3 is arranged at one end of the guide cylinder 1 far away from the guide tube 2.
When the guide pipe 2 needs to be replaced, the guide pipe 2 can be disassembled through the disassembling and assembling assembly 4; when needing to match the bone drill of different length specifications, adjust the postfix through adjusting locating component 5 to the position of sliding shaft 3 in adjustment tank 12, make through-hole 11 change behind the length of perforation 31, realized the length adjustment of director, the bone drill of the different length specifications of adaptation has improved the suitability and has reduced use cost.
Referring to fig. 1 and 2, the adjusting and positioning assembly 5 includes an adjusting nut 51 coaxially rotatably connected to an end surface of the guide cylinder 1 far from the guide pipe 2, and a guide block 52 fixed on an inner circumferential surface of the adjusting groove 12, wherein a thread matched with the adjusting nut 51 is provided on an outer circumferential surface of the sliding shaft 3, a guide groove 34 is provided on the outer circumferential surface of the sliding shaft 3 along a length direction thereof, and the guide block 52 is located in the guide groove 34. One side of the peripheral surface of the sliding shaft 3 is cut along the length direction thereof to form a guide tangent plane 32, the shape of the adjusting groove 12 is consistent with that of the sliding shaft 3, the guide tangent plane 32 is attached to one inner side wall of the adjusting groove 12, and the guide tangent plane 32 is provided with a scale strip 33 along the length direction thereof.
When guider length needs to be adjusted, adjusting nut 51 is rotated, because guide block 52 and direction tangent plane 32 cooperation set up, enable sliding shaft 3 and carry out the steady removal along self length direction, improved the regulation efficiency and the regulation stability of guider length, can realize the accurate regulation of guider length through scale strip 33.
Referring to fig. 2 and 3, the outer diameter of the adjusting nut 51 is greater than the outer diameter of the guide cylinder 1, the mounting cylinder 6 is symmetrically fixed to one end of the outer peripheral surface of the guide cylinder 1 close to the adjusting nut 51, the opening of the mounting cylinder 6 is arranged towards the adjusting nut 51, the reinforcing springs 61 are fixed in the mounting cylinder 6, the top blocks 62 are fixed to one ends of the reinforcing springs 61 facing the adjusting nut 51, one ends of the top blocks 62 are located in the mounting cylinder 6, the other ends of the top blocks are tightly pressed on the end surface of the adjusting nut 51, and the reinforcing springs 61 are always in a compressed state.
Referring to fig. 2 and 3, a squeezing rod 63 perpendicular to the ejector block 62 is slidably connected to the mounting barrel 6, a pressing plate 64 is fixed to the outer end of the squeezing rod 63, and a return spring 65 sleeved on the squeezing rod 63 is fixed between the pressing plate 64 and the outer wall of the mounting barrel 6; the bottom end of the extrusion rod 63 is obliquely arranged, the top block 62 is positioned in the installation cylinder 6 and faces the surface of the extrusion rod 63, an extrusion groove 621 is formed in the surface of the extrusion rod 63, the side wall of the extrusion groove 621 far away from the adjusting nut 51 is an inclined plane matched with the bottom end of the extrusion rod 63, and when the extrusion rod 63 is inserted into the extrusion groove 621, the top block 62 moves towards the inside of the installation cylinder 6.
When the guider is used, the ejector block 62 tightly pushes the adjusting nut 51, so that the accidental rotation of the adjusting nut 51 is avoided as much as possible, and the stability of the length of the guider is improved; when the adjusting nut 51 needs to be rotated, the two pressing plates 64 are pressed mutually by two fingers, the guider can be stably taken up, the extrusion rod 63 is inserted into the corresponding extrusion groove 621, the ejector block 62 is separated from the adjusting nut 51, the adjusting nut 51 can be rotated, and the operation convenience is improved.
Referring to fig. 1 and 4, the outer diameter of the end part of the guide cylinder 1 close to the guide tube 2 is smaller than the outer diameter of the main body part of the guide cylinder, and two accommodating grooves 13 are symmetrically formed in the outer peripheral surface of the end part of the guide cylinder 1 close to the guide tube 2; the dismounting assembly 4 comprises a sleeve 41 coaxially fixedly sleeved on the guide pipe 2 and sleeved on the end part of the guide cylinder 1 close to the guide pipe 2, a fixed spring 42 fixed in the corresponding accommodating groove 13, a fixed block 43 sliding in the corresponding accommodating groove 13 and fixed with the fixed spring 42, and a dismounting assembly 44 for completely jacking the fixed block 43 into the accommodating groove 13; the inner peripheral surface symmetry of sleeve 41 has seted up the fixed slot 411 that communicates corresponding holding tank 13, and when fixed spring 42 was in natural state, fixed block 43 was located holding tank 13 and fixed slot 411 simultaneously, and fixed block 43 was located the fixed slot 411 and established the one side slope setting of direction towards the sleeve 41 cover.
When the guide tube 2 is inserted into the guide tube 1, the sleeve 41 is sleeved on the end of the guide tube 1 and extrudes the inclined plane of the fixing block 43, and after the fixing groove 411 is communicated with the accommodating groove 13, the fixing block 43 is pushed into the fixing groove 411 by the elastic force of the fixing spring 42, so that the automatic fixing of the sleeve 41 and the guide tube 2 is completed, and the installation efficiency of the guide tube 2 is improved.
Referring to fig. 4, two positioning blocks 412 with different sizes are fixed on the inner side wall of the sleeve 41, the two positioning blocks 412 are respectively located on two opposite sides of the guide tube 2, and two positioning grooves 14 for inserting the corresponding positioning blocks 412 are formed in the end surface of the guide tube 1. The guide tube 2 is inserted into the guide cylinder 1, so that the sleeve 41 is sleeved on the guide cylinder 1, and the positioning block 412 is inserted into the positioning groove 14, on one hand, the fixing groove 411 can be aligned with the corresponding position of the accommodating groove 13, and the connection efficiency of the guide tube 2 is improved; on the other hand, the guide pipe 2 can play a role in positioning when being installed, determine the unique direction and angle of the guide pipe 2, and prevent the guide pipe 2 from rotating when being used.
Referring to fig. 4, the fixing groove 411 is opened on the outer circumferential surface of the sleeve 41, and the detaching assembly 44 includes a detaching post 441 having one end sliding in the fixing groove 411, a detaching plate 442 fixed at the outer end of the detaching post 441, and a detaching spring 443 fixed between the detaching plate 442 and the outer circumferential surface of the sleeve 41 and sleeved on the detaching post 441. The dismounting plate 442 is pressed to enable the dismounting column 441 to completely jack the fixing block 43 into the accommodating groove 13, so that the sleeve 41 can be dismounted, the operation is simple and convenient, and the dismounting efficiency of the guide pipe 2 is improved.
The implementation principle of the adjustable-length quick-change orthopedic guide device in the embodiment of the application is as follows: when the guide tube 2 needs to be replaced, the dismounting plate 442 is pressed to enable the dismounting column 441 to completely jack the fixing block 43 into the accommodating groove 13, and then the sleeve 41 and the guide tube 2 can be dismounted; when inserting new stand pipe 2 in the stand pipe 1, the tip of stand pipe 1 is established to sleeve 41 cover to extrude the inclined plane of fixed block 43, until fixed slot 411 and holding tank 13 intercommunication back, fixed spring 42's elasticity pushes fixed block 43 into in the fixed slot 411, accomplishes sleeve 41 and stand pipe 2's automatic fixation, has improved the installation effectiveness of stand pipe 2.
When the length of the guider needs to be adjusted, the two pressing plates 64 are pressed mutually by two fingers, the guider can be stably taken up, the extrusion rod 63 is inserted into the corresponding extrusion groove 621 at the moment, the ejector block 62 is separated from the adjusting nut 51 at the moment, the adjusting nut 51 is rotated again, the sliding shaft 3 is enabled to stably move along the length direction of the sliding shaft, the accurate adjustment of the length of the guider can be realized through the scale strips 33, and the adjustment efficiency and the adjustment stability of the length of the guider are improved.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an adjustable quick change orthopedics director of length, includes guide cylinder (1), offers through-hole (11) that supply the bone drill to pass in guide cylinder (1), and the one end of guide cylinder (1) is connected with stand pipe (2), its characterized in that: a dismounting component (4) for connecting the end part of the guide pipe (2) and the end part of the guide cylinder (1) is arranged between the end parts of the guide pipe and the guide cylinder; an adjusting groove (12) is formed in the end face, far away from the guide pipe (2), of the guide cylinder (1) along the length direction of the through hole (11), a sliding shaft (3) is connected in the adjusting groove (12) in a sliding mode, one end of the sliding shaft (3) is located outside the adjusting groove (12), and a through hole (31) located on the same line with the through hole (11) is formed in the end face of the sliding shaft (3); an adjusting and positioning assembly (5) for adjusting and fixing the position of the sliding shaft (3) is arranged on the guide cylinder (1).
2. The adjustable length quick-change orthopedic guide according to claim 1, characterized in that: the disassembly and assembly component (4) comprises a sleeve (41), a fixed spring (42), a fixed block (43) and a disassembly component (44), the sleeve (41) is fixedly sleeved outside the guide tube (2), and after the guide tube (2) is inserted into the guide cylinder (1), the sleeve (41) is sleeved on the end part of the guide cylinder (1); an accommodating groove (13) is formed in the outer peripheral surface of the guide cylinder (1), the fixed spring (42) is fixed in the accommodating groove (13), the fixed block (43) slides at the opening of the accommodating groove (13) and is fixed with the fixed spring (42), and a fixed groove (411) communicated with the accommodating groove (13) is formed in the inner peripheral surface of the sleeve (41); when the fixed spring (42) is in a natural state, the fixed block (43) is positioned in the accommodating groove (13) and the fixed groove (411) at the same time; the disassembling component (44) is used for completely ejecting the fixing block (43) into the accommodating groove (13).
3. The adjustable length quick-change orthopedic guide of claim 2, wherein: the fixing block (43) is positioned in the fixing groove (411) and is obliquely arranged towards one side of the insertion direction of the sleeve (41).
4. The adjustable length quick-change orthopedic guide of claim 2, wherein: the dismounting assembly (44) comprises a dismounting column (441), a dismounting plate (442) and a dismounting spring (443), the fixing groove (411) is opened to the outer peripheral surface of the sleeve (41), one end of the dismounting column (441) slides in the fixing groove (411), the dismounting plate (442) is fixed at one end, located outside the fixing groove (411), of the dismounting column (441), and the dismounting spring (443) is fixed between the dismounting plate (442) and the sleeve (41).
5. The adjustable length quick-change orthopedic guide of claim 2, wherein: locating blocks (412) with different sizes are fixed on the inner side wall of the sleeve (41), locating grooves (14) with different sizes are formed in the end face of the guide cylinder (1), and when the sleeve (41) is sleeved on the guide cylinder (1), the locating blocks (412) are inserted into the corresponding locating grooves (14).
6. The adjustable length quick-change orthopedic guide according to claim 1, characterized in that: the adjusting and positioning assembly (5) comprises an adjusting nut (51), the adjusting nut (51) is rotatably connected to the end face of the guide cylinder (1), threads matched with the adjusting nut (51) are arranged on the peripheral face of the sliding shaft (3), a guide tangent plane (32) parallel to the sliding direction of the sliding shaft (3) is arranged on one side of the sliding shaft (3) in a cutting mode, and the shape of the adjusting groove (12) is consistent with that of the sliding shaft (3).
7. The adjustable length quick-change orthopedic guide of claim 6, wherein: and a scale strip (33) is engraved on the guide tangent plane (32) along the length direction of the guide tangent plane.
8. The adjustable length quick-change orthopedic guide according to claim 6, wherein: the adjusting and positioning assembly (5) further comprises a guide block (52), a guide groove (34) is formed in the outer peripheral surface of the sliding shaft (3) along the length direction of the guide block, and the guide block (52) is fixed on the inner wall of the adjusting groove (12) and slides in the guide groove (34).
9. The adjustable length quick-change orthopedic guide according to claim 6, wherein: adjusting nut (51) external diameter is greater than guide cylinder (1) external diameter, and guide cylinder (1) outer peripheral face is fixed with installation section of thick bamboo (6), and installation section of thick bamboo (6) opening sets up towards adjusting nut (51) terminal surface, and installation section of thick bamboo (6) internal fixation has enhancement spring (61), and it has kicking block (62) fixed with enhancement spring (61) to slide in installation section of thick bamboo (6), and enhancement spring (61) are in compression state all the time, and kicking block (62) top is tight on adjusting nut (51) terminal surface.
10. The adjustable length quick-change orthopedic guide of claim 9, wherein: the mounting cylinder (6) is connected with an extrusion rod (63) in a sliding manner, the outer end of the extrusion rod (63) is fixed with a pressing plate (64), and a return spring (65) is fixed between the pressing plate (64) and the mounting cylinder (6); the bottom end of the extrusion rod (63) is obliquely arranged, one side, facing the extrusion rod (63), of the top block (62) is provided with an extrusion groove (621), and the inner side wall of the extrusion groove (621) is an inclined plane matched with the bottom end of the extrusion rod (63); when the pressing rod (63) is inserted into the pressing groove (621), the top block (62) slides towards the inside of the mounting cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211626444.7A CN115844482B (en) | 2022-12-17 | 2022-12-17 | Length-adjustable quick-change orthopedic guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211626444.7A CN115844482B (en) | 2022-12-17 | 2022-12-17 | Length-adjustable quick-change orthopedic guide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115844482A true CN115844482A (en) | 2023-03-28 |
| CN115844482B CN115844482B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211626444.7A Active CN115844482B (en) | 2022-12-17 | 2022-12-17 | Length-adjustable quick-change orthopedic guide |
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| Country | Link |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050119663A1 (en) * | 2003-10-14 | 2005-06-02 | Keyer Thomas R. | Surgical drill guide |
| US20050222571A1 (en) * | 2004-03-30 | 2005-10-06 | Ryan Christopher J | Adjustable depth drill bit |
| US20140155905A1 (en) * | 2012-11-30 | 2014-06-05 | Ebi, Llc | Adjustable drill depth guide |
| CN110432972A (en) * | 2019-08-15 | 2019-11-12 | 张明 | A kind of orthopaedics direct-insert Kirschner wire propeller |
| CN112932636A (en) * | 2021-04-02 | 2021-06-11 | 北京市富乐科技开发有限公司 | Orthopedic external fixation support |
| CN215079263U (en) * | 2021-03-04 | 2021-12-10 | 北京中安泰华科技有限公司 | Combined extension type locking guide sleeve |
| CN114983547A (en) * | 2022-06-08 | 2022-09-02 | 郑州大学第一附属医院 | Auxiliary device for fixing proximal intramedullary nail of femur |
| CN115153795A (en) * | 2022-06-28 | 2022-10-11 | 北京纳通医疗科技控股有限公司 | Intramedullary nail lag screw drilling guide device |
-
2022
- 2022-12-17 CN CN202211626444.7A patent/CN115844482B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050119663A1 (en) * | 2003-10-14 | 2005-06-02 | Keyer Thomas R. | Surgical drill guide |
| US20050222571A1 (en) * | 2004-03-30 | 2005-10-06 | Ryan Christopher J | Adjustable depth drill bit |
| US20140155905A1 (en) * | 2012-11-30 | 2014-06-05 | Ebi, Llc | Adjustable drill depth guide |
| CN110432972A (en) * | 2019-08-15 | 2019-11-12 | 张明 | A kind of orthopaedics direct-insert Kirschner wire propeller |
| CN215079263U (en) * | 2021-03-04 | 2021-12-10 | 北京中安泰华科技有限公司 | Combined extension type locking guide sleeve |
| CN112932636A (en) * | 2021-04-02 | 2021-06-11 | 北京市富乐科技开发有限公司 | Orthopedic external fixation support |
| CN114983547A (en) * | 2022-06-08 | 2022-09-02 | 郑州大学第一附属医院 | Auxiliary device for fixing proximal intramedullary nail of femur |
| CN115153795A (en) * | 2022-06-28 | 2022-10-11 | 北京纳通医疗科技控股有限公司 | Intramedullary nail lag screw drilling guide device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115844482B (en) | 2023-08-29 |
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