Sacral nerve foramen locator under auxiliary ultrasound and X-ray guidance
By introducing ultrasound and X-ray guidance technology into the sacral nerve foramen locator and combining the slide rail structure, the precise positioning of the sacral nerve foramen is achieved, solving the problem of inaccurate positioning in the existing technology, and improving the safety and efficiency of the surgery.
Patent Information
- Application Number
- CN202421230872.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The existing sacral nerve foramen locator positioning method is relatively single, and the positioning effect is not accurate enough, which affects the success rate and safety of sacral nerve stimulator implantation.
A sacral nerve foramen locator with assisted ultrasound and X-ray guidance is adopted. By installing an ultrasonic probe and an X-ray probe, combined with a lateral slide rail and a longitudinal slide rail of the nerve foramen locator, the precise positioning of the sacral nerve foramen is achieved.
It improves the accuracy and safety of the surgery, reduces the occurrence of bleeding and soft tissue damage, and shortens the surgical time and intraoperative radiation.
Smart Images

Figure CN222693525U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sacral nerve foramen locators, in particular to a sacral nerve foramen locator under auxiliary ultrasound and X-ray guidance. Background Art
[0002] Sacral nerve stimulator implantation is an effective method for treating neurogenic bladder in children. Its precise positioning is the key to the success of the operation. Therefore, during the treatment process, staff often need to use a sacral nerve foramen locator. However, there are still some defects in the specific use of the sacral nerve foramen locator.
[0003] The positioning method of the sacral nerve foramen locator is relatively simple and the positioning effect is not accurate enough. Based on this, the utility model has developed a new technology, namely, the sacral nerve foramen locator assisted sacral nerve stimulator implantation under ultrasound and X-ray guidance. This technology combines the sacral nerve foramen locator with ultrasound and X-ray guidance technology, and improves the accuracy and safety of the operation through real-time monitoring and guidance. Utility Model Content
[0004] The purpose of the utility model is to provide a sacral nerve foramen locator under auxiliary ultrasound and X-ray guidance to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sacral nerve foramen locator under auxiliary ultrasound and X-ray guidance, comprising a transverse slide rail of the nerve foramen locator, a telescopic adjustment rod and a sacral nerve foramen locator body, a medical ultrasound machine and a medical X-ray machine are placed on the outside of the sacral nerve foramen locator body in sequence, the medical ultrasound machine is electrically connected to an ultrasound probe through a wire, the medical X-ray machine is electrically connected to an X-ray probe through a wire, the transverse slide rail of the nerve foramen locator and the telescopic adjustment rod are fixed on the sacral nerve foramen locator body in a cross arrangement, and the transverse slide rail of the nerve foramen locator is slidably connected to a first horizontal coordinate locator in sequence. The first and second transverse coordinate positioning arms, the second transverse coordinate positioning arms, the third transverse coordinate positioning arms and the fourth transverse coordinate positioning arms, the side of the longitudinal slide rail of the nerve hole locator away from the transverse slide rail of the sacral nerve hole locator is slidably connected in sequence with the first longitudinal coordinate positioning arm, the second longitudinal coordinate positioning arm, the third longitudinal coordinate positioning arm and the fourth longitudinal coordinate positioning arm, the first transverse coordinate positioning arm, the second transverse coordinate positioning arm, the third transverse coordinate positioning arm and the fourth transverse coordinate positioning arm and the first longitudinal coordinate positioning arm, the second longitudinal coordinate positioning arm, the third longitudinal coordinate positioning arm and the fourth longitudinal coordinate positioning arm all include a fixed sliding sleeve, a retractable adjustment rod, a locking knob, a slot for the probe, a reserved exploration hole and a medical silicone support seat.
[0006] Preferably, the fixed sleeve is slidably connected to the longitudinal slide rail of the neural foramen locator and the transverse slide rail of the neural foramen locator respectively, and the locking knob is threadedly connected between the fixed sleeve and the corresponding longitudinal slide rail of the neural foramen locator and the transverse slide rail of the neural foramen locator.
[0007] Preferably, the telescopic adjustment rod is mounted on the fixed sliding sleeve by means of screws.
[0008] Preferably, the probe is threadedly connected to the output end of the telescopic adjustment rod by a slot.
[0009] Preferably, the reserved exploration hole is arranged on a probe slot, the probe slot is made of medical silica gel, and both the ultrasonic probe and the X-ray probe are plug-in-connected with the reserved exploration hole.
[0010] Preferably, the medical silicone support seat is arranged on the top of the longitudinal slide rail of the nerve foramen locator, and the medical silicone support seat is provided with an operating handle.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] (1) The device optimizes its own performance by installing a probe slot, etc. The user places the sacral foramen locator body against the appropriate position of the patient, and then inserts the ultrasonic probe on the medical ultrasound machine into the corresponding probe slots on the first horizontal coordinate positioning arm, the second horizontal coordinate positioning arm, the third horizontal coordinate positioning arm, and the fourth horizontal coordinate positioning arm in turn, and locates the positions of the four sacral foramina through the reserved probe holes and longitudinal ultrasound thereon, thereby determining the four horizontal coordinates of the sacral foramen locator, and then locates the sacral foramen locator through the corresponding probe slots and reserved probe holes on the first vertical coordinate positioning arm, the second vertical coordinate positioning arm, the third vertical coordinate positioning arm, and the fourth vertical coordinate positioning arm. The sacral foramina are located by ultrasound in a transverse section to determine the four longitudinal coordinates of the locator. Then, the coordinates of the sacral foramina locator are verified under the anteroposterior and lateral X-rays of the medical X-ray machine and X-ray probe. After confirming the positions of the sacral foramina in turn, the electrodes are inserted. The introduction process of the electrodes is monitored in real time to ensure that they pass through the soft tissue along the correct path. The lateral X-ray is used to verify the introduction depth. After reaching the predetermined position and the test is successful, the electrode wire is introduced and fixed. After connecting to the external implant device, the incision is closed. The sacral foramina locator assisted by ultrasound and X-ray for sacral nerve stimulator implantation not only reduces the occurrence of bleeding and soft tissue damage, but also shortens the operation time and intraoperative radiation dose.
[0013] (2) By installing a transverse slide rail of the neural foramen locator, etc., the device optimizes its own structure. The user can use the sliding connection formed between the fixed sleeve and the corresponding longitudinal slide rail of the neural foramen locator and the transverse slide rail of the neural foramen locator to flexibly adjust the positions of the first horizontal coordinate positioning arm, the second horizontal coordinate positioning arm, the third horizontal coordinate positioning arm and the fourth horizontal coordinate positioning arm and the first vertical coordinate positioning arm, the second vertical coordinate positioning arm, the third vertical coordinate positioning arm and the fourth vertical coordinate positioning arm according to the actual positioning position of the sacral neural foramen locating hole coordinates, and then tighten the fixed sleeve and the longitudinal slide rail of the neural foramen locator and the transverse slide rail of the neural foramen locator that have been adjusted in position by using the locking knob;
[0014] (3) By installing a fixed sleeve, etc., when the device is actually operated, the user can use the disassembly and installation structure formed by the screws between the telescopic adjustment rod and the fixed sleeve to realize the disassembly and assembly of the telescopic adjustment rod and the fixed sleeve, and can also use the threaded connection between the probe slot and the telescopic adjustment rod to realize the disassembly and assembly of the probe slot and the telescopic adjustment rod. This makes the first horizontal coordinate positioning arm, the second horizontal coordinate positioning arm, the third horizontal coordinate positioning arm and the fourth horizontal coordinate positioning arm, as well as the first vertical coordinate positioning arm, the second vertical coordinate positioning arm, the third vertical coordinate positioning arm and the fourth vertical coordinate positioning arm, split and easy to assemble, easy to maintain and flexible to change the length of the telescopic adjustment rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the front view structure of the sacral nerve foramen locator of the utility model;
[0017] Figure 3 This is a schematic diagram of the front view structure of the first longitudinal coordinate positioning arm of the utility model;
[0018] Figure 4 It is a schematic diagram of a partial cross-sectional structure of the fourth horizontal coordinate positioning arm of the utility model when viewed from the front.
[0019] In the figure: 1. medical ultrasound machine; 2. medical X-ray machine; 3. ultrasonic probe; 4. medical silicone support seat; 5. X-ray probe; 6. longitudinal slide rail of nerve foramen locator; 7. transverse slide rail of nerve foramen locator; 8. telescopic adjustment rod; 9. first horizontal coordinate positioning arm; 10. second horizontal coordinate positioning arm; 11. third horizontal coordinate positioning arm; 12. fourth horizontal coordinate positioning arm; 13. first vertical coordinate positioning arm; 14. second vertical coordinate positioning arm; 15. third vertical coordinate positioning arm; 16. fourth vertical coordinate positioning arm; 17. locking knob; 18. fixing sleeve; 19. reserved exploration hole; 20. slot for probe; 21. sacral nerve foramen locator body. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4 The utility model provides an embodiment: a sacral nerve foramen locator under auxiliary ultrasound and X-ray guidance, comprising a lateral slide rail 7 of the nerve foramen locator, a telescopic adjustment rod 8 and a sacral nerve foramen locator body 21, and a medical ultrasound machine 1 and a medical X-ray machine 2 are sequentially placed outside the sacral nerve foramen locator body 21;
[0022] The medical ultrasound machine 1 is electrically connected to an ultrasound probe 3 via a wire, and the medical X-ray machine 2 is electrically connected to an X-ray probe 5 via a wire;
[0023] The transverse slide rail 7 and the telescopic adjustment rod 8 of the neural foramen locator are cross-arranged and fixed on the sacral neural foramen locator body 21, and the first transverse coordinate positioning arm 9, the second transverse coordinate positioning arm 10, the third transverse coordinate positioning arm 11 and the fourth transverse coordinate positioning arm 12 are slidably connected to the transverse slide rail 7 of the neural foramen locator in sequence;
[0024] The side of the longitudinal slide rail 6 of the neural foramen locator away from the transverse slide rail 7 of the sacral neural foramen locator is slidably connected in sequence with a first longitudinal coordinate positioning arm 13, a second longitudinal coordinate positioning arm 14, a third longitudinal coordinate positioning arm 15 and a fourth longitudinal coordinate positioning arm 16;
[0025] The first horizontal coordinate positioning arm 9, the second horizontal coordinate positioning arm 10, the third horizontal coordinate positioning arm 11 and the fourth horizontal coordinate positioning arm 12, as well as the first vertical coordinate positioning arm 13, the second vertical coordinate positioning arm 14, the third vertical coordinate positioning arm 15 and the fourth vertical coordinate positioning arm 16 all include a fixed sleeve 18, a telescopic adjustment rod 8, a locking knob 17, a probe slot 20, a reserved exploration hole 19 and a medical silicone support seat 4;
[0026] The fixed sleeve 18 is slidably connected to the longitudinal slide rail 6 and the transverse slide rail 7 of the neural foramen locator respectively, and the locking knob 17 is threadedly connected between the fixed sleeve 18 and the corresponding longitudinal slide rail 6 and the transverse slide rail 7 of the neural foramen locator;
[0027] When in use, the user can utilize the sliding connection between the fixed sleeve 18 and the corresponding longitudinal slide rail 6 of the neural foramen locator and the transverse slide rail 7 of the neural foramen locator to flexibly adjust the positions of the first horizontal coordinate positioning arm 9, the second horizontal coordinate positioning arm 10, the third horizontal coordinate positioning arm 11 and the fourth horizontal coordinate positioning arm 12 as well as the first vertical coordinate positioning arm 13, the second vertical coordinate positioning arm 14, the third vertical coordinate positioning arm 15 and the fourth vertical coordinate positioning arm 16 according to the actual positioning position of the coordinates of the sacral neural foramen locating hole, and then tighten the fixed sleeve 18 and the longitudinal slide rail 6 of the neural foramen locator and the transverse slide rail 7 of the neural foramen locator that have been adjusted in position through the locking knob 17;
[0028] The telescopic adjustment rod 8 is mounted on the fixed sliding sleeve 18 by means of screws;
[0029] The probe is threadedly connected to the output end of the telescopic adjustment rod 8 by a slot 20;
[0030] When in use, the user can utilize the disassembly and installation structure formed by the screws between the telescopic adjustment rod 8 and the fixed sliding sleeve 18 to realize the disassembly and assembly of the telescopic adjustment rod 8 and the fixed sliding sleeve 18, and can also utilize the threaded connection between the probe slot 20 and the telescopic adjustment rod 8 to realize the disassembly and assembly of the probe slot 20 and the telescopic adjustment rod 8, which makes the first horizontal coordinate positioning arm 9, the second horizontal coordinate positioning arm 10, the third horizontal coordinate positioning arm 11 and the fourth horizontal coordinate positioning arm 12 and the first vertical coordinate positioning arm 13, the second vertical coordinate positioning arm 14, the third vertical coordinate positioning arm 15 and the fourth vertical coordinate positioning arm 16 split and easy to assemble, and convenient for maintenance and flexible replacement of the telescopic adjustment rod 8 of the length used;
[0031] The reserved exploration hole 19 is arranged on the probe slot 20, and the material of the probe slot 20 is medical silica gel. The ultrasonic probe 3 and the X-ray probe 5 are both plug-in-connected with the reserved exploration hole 19;
[0032] The medical silica gel support seat 4 is arranged on the top of the longitudinal slide rail 6 of the nerve hole locator, and the medical silica gel support seat 4 is provided with an operating handle.
[0033] When the embodiment of the present application is used: an external power source is connected, the user can grasp the medical silicone support seat 4 on the sacral nerve foramen locator body 21 to make it against the appropriate position of the patient, and then insert the ultrasonic probe 3 on the medical ultrasound machine 1 into the corresponding probe slots 20 on the first horizontal coordinate positioning arm 9, the second horizontal coordinate positioning arm 10, the third horizontal coordinate positioning arm 11 and the fourth horizontal coordinate positioning arm 12 in sequence, and locate the positions of the four sacral nerve foramina through the reserved exploration holes 19 and longitudinal ultrasound thereon, thereby determining the four horizontal coordinates of the sacral nerve foramen locator, and then through the first vertical coordinate positioning arm 13, the second vertical coordinate positioning arm 14, the third vertical coordinate positioning arm 15, the fourth vertical coordinate positioning arm 16, the fourth vertical coordinate positioning arm 17, the fourth vertical coordinate positioning arm 18, the fourth vertical coordinate positioning arm 19, the fourth horizontal coordinate positioning arm 19, the fourth horizontal coordinate positioning arm 11, the fourth horizontal coordinate positioning arm 12, the fourth horizontal coordinate positioning arm 13, the fourth horizontal coordinate positioning arm 14, the fourth horizontal coordinate positioning arm 15, the fourth horizontal coordinate positioning arm 16, the fourth horizontal coordinate positioning arm 17, the fourth horizontal coordinate positioning arm 18, the fourth horizontal coordinate positioning arm 19 ... The corresponding probe slots 20 and reserved exploration holes 19 on the positioning arm 15 and the fourth longitudinal coordinate positioning arm 16 are used to locate the four sacral nerve foramina by transverse ultrasound to determine the four longitudinal coordinates of the locator. Then, the coordinates of the sacral nerve foramina locator are verified under the anteroposterior and lateral X-rays based on the medical X-ray machine 2 and the X-ray probe 5. After confirming the positions of the sacral nerve foramina in turn, the electrodes are inserted, and the introduction process of the electrodes is monitored in real time to ensure that they pass through the soft tissue along the correct path. The lateral X-ray is used to verify the introduction depth. After reaching the predetermined position and the test is successful, the electrode wire is introduced and fixed, and the incision is closed after being connected to the external implant device. The sacral nerve foramina locator is assisted by ultrasound and X-ray. Stimulator implantation not only reduces the occurrence of bleeding and soft tissue damage, but also shortens the operation time and intraoperative radiation dose. Therefore, sacral nerve foramen locator-assisted ultrasound and X-ray-guided sacral nerve stimulator implantation is a safe and effective surgical technique with broad clinical application prospects. In addition, the user can utilize the sliding connection between the fixed sleeve 18 and the corresponding longitudinal slide rail 6 of the nerve foramen locator and the transverse slide rail 7 of the nerve foramen locator to flexibly adjust the first horizontal coordinate positioning arm 9, the second horizontal coordinate positioning arm 10, the third horizontal coordinate positioning arm 11 and the fourth horizontal coordinate positioning arm according to the actual positioning position of the coordinates of the sacral nerve foramen positioning hole. The positions of the positioning arm 12 and the first longitudinal coordinate positioning arm 13, the second longitudinal coordinate positioning arm 14, the third longitudinal coordinate positioning arm 15 and the fourth longitudinal coordinate positioning arm 16 are then tightened by the locking knob 17 to adjust the positions of the fixed sleeve 18 and the longitudinal slide rail 6 and the transverse slide rail 7 of the neural foramen locator. Furthermore, the user can utilize the disassembly and installation structure formed by screws between the telescopic adjustment rod 8 and the fixed sleeve 18 to realize the disassembly and assembly of the telescopic adjustment rod 8 and the fixed sleeve 18, and can also utilize the threaded connection between the probe slot 20 and the telescopic adjustment rod 8 to realize the disassembly and assembly of the probe slot 20 and the telescopic adjustment rod 8.
[0034] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.
Claims
1. A sacral nerve foramen locator under auxiliary ultrasound and X-ray guidance, characterized in that: The invention comprises a transverse slide rail (7) of a neural foramen locator, a telescopic adjustment rod (8) and a sacral neural foramen locator body (21), wherein a medical ultrasound machine (1) and a medical X-ray machine (2) are placed in sequence outside the sacral neural foramen locator body (21), wherein the medical ultrasound machine (1) is electrically connected to an ultrasound probe (3) via a wire, and the medical X-ray machine (2) is electrically connected to an X-ray probe (5) via a wire, wherein the transverse slide rail (7) of the neural foramen locator and the telescopic adjustment rod (8) are fixed to the sacral neural foramen locator body (21) in a cross arrangement, and wherein a first horizontal coordinate positioning arm (9), a second horizontal coordinate positioning arm (10), a third horizontal coordinate positioning arm (11) and a fourth horizontal coordinate positioning arm (12) are slidably connected to the transverse slide rail (7) of the neural foramen locator in sequence. The side of the longitudinal slide rail (6) of the neural foramen locator away from the transverse slide rail (7) of the sacral neural foramen locator is slidably connected in sequence with a first longitudinal coordinate positioning arm (13), a second longitudinal coordinate positioning arm (14), a third longitudinal coordinate positioning arm (15) and a fourth longitudinal coordinate positioning arm (16); the first transverse coordinate positioning arm (9), the second transverse coordinate positioning arm (10), the third transverse coordinate positioning arm (11) and the fourth transverse coordinate positioning arm (12) and the first longitudinal coordinate positioning arm (13), the second longitudinal coordinate positioning arm (14), the third longitudinal coordinate positioning arm (15) and the fourth longitudinal coordinate positioning arm (16) all include a fixed sliding sleeve (18), a telescopic adjustment rod (8), a locking knob (17), a probe slot (20), a reserved exploration hole (19) and a medical silicone support seat (4).
2. The sacral foramen locator under auxiliary ultrasound and X-ray guidance according to claim 1, characterized in that: The fixed sleeve (18) is slidably connected to the longitudinal slide rail (6) and the transverse slide rail (7) of the neural foramen locator respectively, and the locking knob (17) is threadedly connected between the fixed sleeve (18) and the corresponding longitudinal slide rail (6) and transverse slide rail (7) of the neural foramen locator.
3. The sacral foramen locator under auxiliary ultrasound and X-ray guidance according to claim 1, characterized in that: The telescopic adjustment rod (8) is mounted on the fixed sliding sleeve (18) by means of screws.
4. The sacral foramen locator under auxiliary ultrasound and X-ray guidance according to claim 1, characterized in that: The probe is threadably connected to the output end of the telescopic adjustment rod (8) through a slot (20).
5. The sacral foramen locator under auxiliary ultrasound and X-ray guidance according to claim 1, characterized in that: The reserved exploration hole (19) is arranged on the probe slot (20); the probe slot (20) is made of medical silica gel; the ultrasonic probe (3) and the X-ray probe (5) are both plug-connected to the reserved exploration hole (19).
6. The sacral foramen locator under auxiliary ultrasound and X-ray guidance according to claim 1, characterized in that: The medical silica gel support seat (4) is arranged on the top of the longitudinal slide rail (6) of the nerve foramen locator, and the medical silica gel support seat (4) is provided with an operating handle.