Noninvasive connecting device of tracer

Abstract

The utility model discloses a non-invasive connecting device of a tracer, which is used for connecting the tracer and comprises an angle adjusting mechanism, a base and an adhesive part, the angle adjusting mechanism is connected with the tracer and the base, the adhesive part is connected with the base, a fixed structure is provided with a plurality of tooth grooves, a movable structure is provided with tooth profiles matched with the tooth grooves, the tooth grooves are buckled into the tooth profiles, and the tracer is connected with the adhesive part. The fixed structure and the movable structure are movably connected, the movable structure is rotated to rotate around the A axis, the matching positions of the tooth grooves and the tooth profiles are adjusted, then the angle between the tracer and the base is adjusted, and the angle between the tracer and the base is further accurately adjusted according to the set angle between the tooth profiles.

Description

Technical Field

[0001] The utility model belongs to the field of medical equipment and relates to a non-invasive connection device for a tracer. Background Art

[0002] In spinal surgery navigation, a tracer is usually firmly fixed near the surgical bone structure of a patient, and the navigation system realizes image-guided surgery on the surgical structure through the position of the tracer.

[0003] The existing tracer and the connection device are rigidly connected, and doctors cannot adjust the angle of the tracer. Moreover, the connection device mostly uses metal clips. The metal clip is made of metal, with a high cost and complex processing technology. Moreover, the metal clip will produce imaging during X-ray fluoroscopy, which will affect the bone imaging of the patient and also produce artifacts, affecting the fluoroscopy effect. Summary of the Invention

[0004] The utility model provides a non-invasive connection device for a tracer in order to overcome at least one deficiency of the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions: A non-invasive connection device for a tracer, used for connecting the tracer, includes an angle adjustment mechanism, a base, and an adhesive member. The angle adjustment mechanism connects the tracer and the base, and the adhesive member is connected to the base.

[0006] Further, the angle adjustment mechanism includes a fixed structure and a movable structure. The fixed structure is connected to the base, the movable structure is connected to the tracer, and the fixed structure and the movable structure are movably connected.

[0007] Further, the fixed structure is provided with a plurality of tooth grooves or tooth shapes, the movable structure is provided with a matching tooth shape or tooth groove, and the tooth groove is buckled with the tooth shape.

[0008] Further, the fixed structure includes an adapter. A plurality of tooth grooves are distributed on the adapter. The movable structure includes a screw, a compression spring, and a connecting member. The connecting member is connected to the tracer. A plurality of tooth shapes are distributed on the connecting member. The screw penetrates through the connecting member and extends to the adapter and is threadedly connected to the adapter. The compression spring is connected between the screw and the connecting member.

[0009] Further, the base is provided with a groove, and both sides of the groove are bonding surfaces. The adhesive member is connected to the bonding surfaces.

[0010] Further, the tracer is provided with a fixing block. The fixing block is provided with a positioning groove. The connecting member is provided with a positioning block. The positioning block is arranged in the positioning groove, and a fastening member fastens and connects the connecting member and the tracer.

[0011] Further, the positioning groove is arranged in a structure of a single-slot.

[0012] Further, the bonding surface is arranged as a plane.

[0013] Further, the adhesive is arranged as a sterile double-sided colloid.

[0014] Further, the angle between adjacent tooth shapes is a fixed value.

[0015] In summary, the beneficial effects of the present utility model are as follows:

[0016] The fixed structure of the present utility model is provided with a plurality of tooth grooves, and the movable structure is provided with tooth shapes matching the tooth grooves. The tooth grooves are buckled into the tooth shapes, so that the fixed structure and the movable structure are movably connected. Rotate the movable structure to rotate around the A axis, adjust the matching position of the tooth grooves and the tooth shapes, and further adjust the angle between the tracer and the base. And according to the set angle between the tooth shapes, the angle between the tracer and the base is further accurately adjusted.

[0017] The present utility model realizes the fixed connection between the base and the set position through the adhesive, the operation is simple and convenient, the development under X-ray fluoroscopy can be greatly reduced, the influence on bone development is avoided, and thus the success rate and efficiency of the operation are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the non-invasive connection device of the present utility model.

[0019] Figure 2 It is an exploded schematic diagram of the non-invasive connection device of the present utility model.

[0020] Reference numerals in the figure: tracer 1, angle adjustment mechanism 2, base 3, adhesive 4, fixed block 11, screw 21, compression spring 22, connecting piece 23, adapter piece 24, groove 31, positioning groove 111, tooth shape 231, tooth groove 241. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following specific examples illustrate the embodiments of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0022] It should be noted that the illustrations provided in the following embodiments only schematically illustrate the basic concept of the present utility model. Therefore, only the components related to the present utility model are shown in the drawings, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and ratio of each component in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0023] In all the directional indications (such as up, down, left, right, front, back, horizontal, vertical...) in the embodiments of the present utility model, they are only used to explain the relative position relationship, movement conditions, etc. between components in a certain specific posture. If this specific posture changes, then the directional indications will also change accordingly.

[0024] Due to reasons such as installation errors, the parallel relationship referred to in the embodiments of the present utility model may actually be an approximate parallel relationship, and the perpendicular relationship may actually be an approximate perpendicular relationship.

[0025] Embodiment 1:

[0026] As Figure 1 - Figure 2 shown, a non-invasive connection device for a tracer, used to connect the tracer 1, includes an angle adjustment mechanism 2, a base 3, and an adhesive member 4. The angle adjustment mechanism 2 connects the tracer 1 and the base 3, and the adhesive member 4 is connected to the base 3.

[0027] For the convenience of describing directions, as Figure 1 shown, A is the axial direction of the angle adjustment mechanism 22, a is the direction in which the tracer 1 rotates around the axis A, and the tracer 1 rotates around the axis A to realize the angle change between it and the base 3.

[0028] The outer shape and structure of the tracer 1 are set according to industry standards and will not be elaborated here.

[0029] The angle adjustment mechanism 2 includes a fixed structure and a movable structure. The fixed structure is connected to the base 3, and the movable structure is connected to the tracer 1. The fixed structure is provided with a plurality of tooth grooves 241, and the movable structure is provided with a tooth shape 231 that matches the tooth grooves 241. The tooth grooves 241 are engaged with the tooth shape 231 to movably connect the fixed structure and the movable structure. Rotate the movable structure to make it rotate around the A axis, and adjust the matching position of the tooth grooves 241 and the tooth shape 231, thereby adjusting the angle between the tracer 1 and the base 3.

[0030] As Figure 2 shown, a plurality of tooth shapes 231 are circumferentially distributed, and the angle between adjacent tooth shapes 231 is a fixed value. The adjustment angle of the tracer 1 can be controlled according to the number of tooth shapes adjusted.

[0031] The fixed structure includes an adapter 24, and a plurality of tooth grooves 241 are circumferentially distributed on the end face of the adapter 24. The movable structure includes a screw 21, a compression spring 22, and a connector 23. The connector 23 is fixedly connected to the tracer 1. A plurality of tooth shapes 231 are circumferentially distributed on the end face of the connector 23. The screw 21 passes through the connector 23 and extends to the adapter 24 and is threadedly connected to the adapter 24. The compression spring 22 is connected between the screw 21 and the connector 23. When the angle of the tracer 1 needs to be adjusted, loosen the screw 21, and the connector 23 is disengaged from the tightly fitted state with the adapter 24. At this time, rotate the tracer 1 to change the mating position of the tooth shape 231 and the tooth groove 241 until the tracer 1 is adjusted to the set position. At this time, tighten the screw 21 to fasten the connector 23 and the adapter 24. At the same time, the compression spring 22 is compressed to press the connector 23 against the adapter 24, realizing the tight connection between the tracer 1 and the angle adjustment mechanism 2. At this time, the tracer 1 is located at the set angle.

[0032] Preferably, a rotating handle (not marked in the figure) is provided at the end of the screw 21, and the surface of the rotating handle is provided with lines to enhance the friction force.

[0033] The connector 23 is connected to the tracer 1. Specifically, the tracer 1 is provided with a fixing block 11, the fixing block 11 is provided with a positioning groove 111, the end of the connector 23 is provided with a positioning block, and the positioning block is arranged in the positioning groove 111. Fasteners such as screws fasten the connector 23 and the tracer 1, and the positioning groove 11 positions the installation of the connector 23.

[0034] In this embodiment, the positioning groove 11 is set as a single-slot structure, effectively preventing relative rotation between the connector 23 and the tracer 1.

[0035] A groove 31 is provided at the bottom of the base 3. The two sides of the groove 31 are bonding surfaces, and the bonding member 4 is connected to the bonding surfaces. The groove 31 is a clearance position for the spine, so that the position of the bonding surfaces can be stably on both sides of the spine. The base 3 is fixedly connected to both sides of the spine through the bonding member 4. Compared with the metal clip fixation, in this embodiment, the base 3 is fixedly connected to the set position through the bonding member 4, which is simple and convenient to operate, can greatly reduce the imaging under X-ray fluoroscopy, and avoids affecting the bone imaging, thereby improving the success rate and efficiency of the operation.

[0036] The bonding surface is a plane, and the bonding member 4 is a sterile double-sided colloid.

[0037] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

Claims

1. A non-invasive connection device for a tracer, used for connecting a tracer, characterized in that: The invention comprises an angle adjustment mechanism, a base and an adhesive part, wherein the angle adjustment mechanism is connected to the tracer and the base, and the adhesive part is connected to the base. The angle adjustment mechanism comprises a fixed structure and a movable structure, wherein the fixed structure is connected to the base, and the movable structure is connected to the tracer. The fixed structure and the movable structure are movably connected, and the fixed structure is provided with a plurality of tooth grooves or tooth shapes, and the movable structure is provided with matching tooth shapes or tooth grooves, and the tooth grooves are buckled with the tooth shapes.

2. The non-invasive connection device for a tracer according to claim 1, characterized in that: The fixed structure includes an adapter, a plurality of teeth are distributed on the adapter, the movable structure includes a screw, a compression spring and a connecting piece, the connecting piece is connected to the tracer, a plurality of teeth are distributed on the connecting piece, the screw passes through the connecting piece and extends to the adapter and is threadedly connected to the adapter, and the compression spring is connected between the screw and the connecting piece.

3. The non-invasive connection device for a tracer according to claim 1, characterized in that: The base is provided with a groove, both sides of the groove are bonding surfaces, and the adhesive piece is connected to the bonding surface.

4. The non-invasive connection device for a tracer according to claim 2, characterized in that: The tracer is provided with a fixing block, the fixing block is provided with a positioning groove, the connecting piece is provided with a positioning block, the positioning block is arranged in the positioning groove, and the fastener fastens the connecting piece and the tracer.

5. The non-invasive connection device for a tracer according to claim 4, characterized in that: The positioning groove is configured as a straight groove structure.

6. The non-invasive connection device for a tracer according to claim 3, characterized in that: The bonding surface is configured as a plane.

7. The non-invasive connection device for a tracer according to claim 1, characterized in that: The adhesive member is configured as a sterile double-sided adhesive.

8. The non-invasive connection device for a tracer according to claim 1, characterized in that: The angle between adjacent tooth shapes is a fixed value.

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