CN215839422U - Integrally formed nickel-titanium alloy bone guiding needle - Google Patents
Integrally formed nickel-titanium alloy bone guiding needle Download PDFInfo
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- CN215839422U CN215839422U CN202121351915.9U CN202121351915U CN215839422U CN 215839422 U CN215839422 U CN 215839422U CN 202121351915 U CN202121351915 U CN 202121351915U CN 215839422 U CN215839422 U CN 215839422U
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Abstract
The utility model relates to an integrally formed nickel-titanium alloy bone guide needle, which comprises a guide head, a guide rod, a front transmission rod, a rear transmission rod and a rotating column, wherein the guide head is fixedly connected with the guide rod; the guide head comprises a guide seat, magnetizing materials and a puncture head, the puncture head is arranged at the front end of the guide seat, the puncture head is in a triangular prism shape, the tip of the puncture head faces forwards, and the penetrating power is increased; the guide rod is arranged behind the guide head, the guide rod is provided with a thread, and when the guide rod rotates and advances along the direction of the thread, the thread is rotated, so that the penetrating power of the guide head can be improved, the resilience of the guide head under stress can be prevented, and the pain of a patient is relieved; the guide seat is internally provided with a magnetizing material, and the magnetizing material releases a magnetic field which can be received by external equipment, so that the front end of the bone guide needle can be positioned; the guide head and the guide rod are of an integral structure, the diameter of the guide head is 3.95 mm, and the diameter of the guide rod is 2.45 mm, so that the risk of falling off of the guide head is avoided; the bone guide needle is made of nickel-titanium alloy and has unique superelasticity and shape memory functions.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an integrally formed nickel-titanium alloy bone guiding needle.
Background
The positioning guide needle is generally composed of a head part, a needle body and a tail part, and can be divided into a thread type and a polished rod type. Generally made of stainless steel material. For guiding, guiding or positioning during orthopaedic surgery. The common methods are a screw nail guide needle, a pressure screw nail guide needle, a bone positioning needle, a drill guide needle and a positioning needle.
The existing clinical orthopedic guide needle is processed from stainless steel materials, is soft in whole when in use, cannot be restored to a straight state before use when being bent seriously, loses the performance requirement of the guide needle, and has higher later-period maintenance cost; meanwhile, the split structure of the head has the risk of falling off, so that the operation safety is not high; moreover, the penetration capacity of the existing bone guide needle is not high; finally, the front end positioning of the bone guide needle in the operation process is difficult to realize all the time, and the treatment effect is influenced. Therefore, there is a need in the medical device industry for an integrally formed nitinol bone guide needle with bend recovery, anti-drop, high penetration and front end positioning.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide an integrally formed nickel-titanium alloy bone guide needle with the functions of bending recovery, falling prevention, strong penetrating power and front end positioning.
The purpose of the utility model is realized as follows:
an integrally formed nickel-titanium alloy bone guide needle comprises a guide head, a guide rod, a front transmission rod, a rear transmission rod and a rotating column; the guide head comprises a guide seat, a magnetizing material and a puncture head; the front end of the guide seat is provided with a puncture head which is in a triangular prism shape, and the tip of the puncture head faces forwards; a magnetizing material is arranged in the guide seat; a guide rod is arranged behind the guide head, and threads are arranged on the guide rod; a front transmission rod is arranged behind the guide rod, a rear connecting end is arranged behind the front transmission rod, and the sectional area of the rear connecting end is gradually reduced from front to back; the rear of back link is provided with the rupture cylinder, and rupture cylinder rear is provided with preceding link, and the sectional area of preceding link is crescent backward from the past.
The utility model relates to an integrally formed nickel-titanium alloy bone guiding needle, wherein a rear transmission rod is arranged behind a front connecting end, and a triangular prism-shaped rotating column is arranged behind the rear transmission rod.
The utility model relates to an integrally formed nickel-titanium alloy bone guide needle, which is characterized in that a guide head and a guide rod are of an integral structure, the diameter of the guide head is 3.95 mm, and the diameter of the guide rod is 2.45 mm.
The utility model relates to an integrally formed nickel-titanium alloy bone guide needle, wherein a guide head, a guide rod, threads, a front transmission rod, a rear connecting end, a broken cylinder, a front connecting end, a rear transmission rod and a rotating cylinder are made of nickel-titanium alloy.
Compared with the prior art, the utility model has the beneficial effects that:
the integrally formed nickel-titanium alloy bone guide needle is provided with the puncture head at the front end of the guide seat, the puncture head is in a triangular prism shape, the tip of the puncture head faces forwards, and the penetrating power is increased; the guide rod is arranged behind the guide head, the guide rod is provided with a thread, and when the guide rod rotates and advances along the direction of the thread, the thread is rotated, so that the penetrating power of the guide head can be improved, the resilience of the guide head under stress can be prevented, and the pain of a patient is relieved; the guide seat is internally provided with a magnetizing material, and the magnetizing material releases a magnetic field which can be received by external equipment, so that the front end of the bone guide needle can be positioned; the guide head and the guide rod are of an integral structure, the diameter of the guide head is 3.95 mm, and the diameter of the guide rod is 2.45 mm, so that the risk of falling off of the guide head is avoided; the bone guide needle is made of nickel-titanium alloy, has the excellent characteristics of superelasticity, corrosion resistance, high damping, biocompatibility and the like, and also has unique superelasticity and shape memory functions, so that the straight superelasticity state can be recovered after the bending radius is larger than 130 millimeters.
Drawings
Fig. 1 is a schematic structural view of an integrally formed nickel-titanium alloy bone guiding needle according to the present invention.
Fig. 2 is a schematic view of the curvature of fig. 1.
Fig. 3 is a schematic structural view of the guide head in fig. 1.
Wherein: the device comprises a guide head 1, a guide rod 2, a thread 3, a front transmission rod 4, a rear connecting end 5, a breaking cylinder 6, a front connecting end 7, a rear transmission rod 8, a rotating column 9, a guide seat 10, a magnetizing material 11 and a puncture head 12.
Detailed Description
Referring to fig. 1 to 3, the utility model relates to an integrally formed nickel-titanium alloy bone guiding needle, which comprises a guiding head 1, a guiding rod 2, a front driving rod 4, a rear driving rod 8 and a rotating column 9; the guide head 1 comprises a guide seat 10, a magnetizing material 11 and a puncture head 12; the front end of the guide seat 10 is provided with a puncture head 12, the puncture head 12 is in a triangular prism shape, the tip end of the puncture head faces forwards, and the penetrating power is increased; a magnetizing material 11 is arranged in the guide seat 10, and a magnetic field released by the magnetizing material 11 can be received by external equipment, so that the front end of the bone guide needle can be positioned; the guide rod 2 is arranged behind the guide head 1, the guide rod 2 is provided with the thread 3, when the guide rod 2 rotates along the direction of the thread 3 to advance, the thread 3 is rotated to improve the penetrating power of the guide head 1, the resilience of the guide head 1 when being stressed can be prevented, and the pain of a patient is relieved; a front transmission rod 4 is arranged behind the guide rod 2, a rear connecting end 5 is arranged behind the front transmission rod 4, and the sectional area of the rear connecting end 5 is gradually reduced from front to back; a breaking cylinder 6 is arranged behind the rear connecting end 5, a front connecting end 7 is arranged behind the breaking cylinder 6, the sectional area of the front connecting end 7 is gradually increased from front to back, and the breaking cylinder 6 can be twisted off in the direction of the reverse thread 3 after the guide head 1 and the guide rod 2 are fixed in place;
further, a rear transmission rod 8 is arranged behind the front connecting end 7, and a triangular prism-shaped rotating column 9 is arranged behind the rear transmission rod 8 and used for connecting a rotary driving mechanism;
furthermore, the guide head 1 and the guide rod 2 are of an integral structure, the diameter of the guide head 1 is 3.95 mm, and the diameter of the guide rod 2 is 2.45 mm, so that the risk of falling off of the guide head is avoided;
furthermore, the guide head 1, the guide rod 2, the threads 3, the front transmission rod 4, the rear connection end 5, the break cylinder 6, the front connection end 7, the rear transmission rod 8 and the rotation column 9 are made of nickel-titanium alloy, and have the unique superelasticity and shape memory functions besides the excellent characteristics of superelasticity, corrosion resistance, high damping, biocompatibility and the like, so that the straight superelasticity state can be recovered after the bending radius is larger than 130 mm.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (4)
1. The utility model provides an integrated into one piece formula nickel titanium alloy bone guide needle which characterized in that: comprises a guide head (1), a guide rod (2), a front transmission rod (4), a rear transmission rod (8) and a rotating column (9); the guide head (1) comprises a guide seat (10), a magnetizing material (11) and a puncture head (12); the front end of the guide seat (10) is provided with a puncture head (12), the puncture head (12) is in a triangular prism shape, and the tip of the puncture head faces forwards; a magnetizing material (11) is arranged in the guide seat (10); a guide rod (2) is arranged behind the guide head (1), and a thread (3) is arranged on the guide rod (2); a front transmission rod (4) is arranged behind the guide rod (2), a rear connecting end (5) is arranged behind the front transmission rod (4), and the sectional area of the rear connecting end (5) is gradually reduced from front to back; the rear of the rear connecting end (5) is provided with a breaking cylinder (6), the rear of the breaking cylinder (6) is provided with a front connecting end (7), and the sectional area of the front connecting end (7) is gradually increased from front to back.
2. The integrally formed nitinol bone guide needle according to claim 1, wherein: a rear transmission rod (8) is arranged behind the front connecting end (7), and a triangular prism-shaped rotating column (9) is arranged behind the rear transmission rod (8).
3. The integrally formed nitinol bone guide needle according to claim 1, wherein: the guide head (1) and the guide rod (2) are of an integral structure, the diameter of the guide head (1) is 3.95 millimeters, and the diameter of the guide rod (2) is 2.45 millimeters.
4. The integrally formed nitinol bone guide needle according to claim 1, wherein: the guide head (1), the guide rod (2), the threads (3), the front transmission rod (4), the rear connecting end (5), the breaking cylinder (6), the front connecting end (7), the rear transmission rod (8) and the rotating column (9) are made of nickel-titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121351915.9U CN215839422U (en) | 2021-06-18 | 2021-06-18 | Integrally formed nickel-titanium alloy bone guiding needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121351915.9U CN215839422U (en) | 2021-06-18 | 2021-06-18 | Integrally formed nickel-titanium alloy bone guiding needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215839422U true CN215839422U (en) | 2022-02-18 |
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ID=80334102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121351915.9U Active CN215839422U (en) | 2021-06-18 | 2021-06-18 | Integrally formed nickel-titanium alloy bone guiding needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215839422U (en) |
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2021
- 2021-06-18 CN CN202121351915.9U patent/CN215839422U/en active Active
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