CN215688362U - Orthopedic positioning guider - Google Patents

Abstract

The utility model discloses an orthopedic positioning guider, and relates to the field of medical auxiliary instruments. Including the position sleeve who is provided with the guiding hole, be connected with the location direction subassembly on the position sleeve, the location direction subassembly includes at least three infrared trapping apparatus that is not on same straight line. The orthopedic positioning guider disclosed by the utility model has the advantages of simple structure and convenience in use by adding the positioning guide component on the traditional guide plate and combining the optical positioning instrument with the positioning navigation system to realize real-time positioning and guiding in the operation and integrating the physical guide function and the digital positioning function, and solves the problems that the guide plate in the prior art can only be used for physical auxiliary positioning and navigation after preoperative planning, and the positioning and navigation position cannot be timely adjusted once special conditions occur in the operation.

Description

Orthopedic positioning guider

Technical Field

The utility model relates to the field of medical auxiliary instruments, in particular to an orthopedic positioning guider.

Background

In the orthopedic surgery, the guide plate is a very useful and important auxiliary instrument, and the 3D printing process is used as an important technical support for guide plate production, so that the requirements of individuation and timeliness of the guide plate are met.

The guide plate in the prior art can only physically position and guide the surgical path and position, and along with the deep development of digital medical treatment, part of the guide plate combines the intraoperative three-dimensional visual positioning and navigation technology, specifically, the guide plate matched with bones is manufactured through a 3D printing process, and guide holes are formed in the guide plate to guide auxiliary instruments, namely a Kirschner wire and an open circuit device.

The positioning navigation concept of the traditional guide plate is mainly designed according to the form of the guide plate, simple physical navigation is carried out, namely position aiming is carried out after the guide plate is inserted into a fixed hole, and drilling is carried out according to a designed hole path so as to achieve the navigation purpose.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an orthopedic positioning guider, which solves the problems that a guide plate in the prior art can only be used for physically assisting positioning and navigation after preoperative planning, and once special conditions occur in an operation, the positioning and navigation position cannot be timely adjusted.

In order to realize the purpose of the utility model, the technical proposal adopted by the utility model is as follows: the utility model provides an orthopedics location director, is including the location sleeve that is provided with the guiding hole, be connected with the location direction subassembly on the location sleeve, the location direction subassembly includes at least three infrared trapping apparatus that is not on same straight line.

Preferably, the positioning guide assembly further comprises a first support arranged on the positioning sleeve, the infrared capturing device comprises a capturing ball located on the first support, and a first reflective layer is arranged on the surface of the capturing ball.

Preferably, the catching ball is connected with a first connecting rod, and the infrared catching device is in plug fit with the first supporting body through the first connecting rod.

Preferably, the first reflective layer is made of a TC reflective sticker.

Preferably, the location direction subassembly is still including setting up the second supporter on the position sleeve, infrared trapping apparatus is including being located the spacing cover on the supporter, spacing cover is just lou hopper-shaped spacing cover's tip is connected with the closing cap, the inboard of closing cap is provided with the second reflector layer.

Preferably, the outer side of the sealing cover is connected with a second connecting rod, and the infrared capturing device is in inserting fit with the second supporting body through the second connecting rod.

Preferably, the reflective layer is a reflective sheet adhered to the inner side of the cover.

Preferably, the reflective sheet is made of a TC reflective sticker.

Preferably, the number of the infrared capturing devices is four.

The beneficial effects of the utility model are concentrated and expressed as follows:

the orthopedic positioning guider disclosed by the utility model has the advantages of simple structure and convenience in use by adding the positioning guide component on the traditional guide plate and combining the optical positioning instrument with the positioning navigation system to realize real-time positioning and guiding in the operation and integrating the physical guide function and the digital positioning function, and solves the problems that the guide plate in the prior art can only be used for physical auxiliary positioning and navigation after preoperative planning, and the positioning and navigation position cannot be timely adjusted once special conditions occur in the operation.

Drawings

FIG. 1 is a schematic view of an orthopedic positioning guide of the present invention;

FIG. 2 is a schematic diagram of an infrared capture device;

FIG. 3 is a schematic view of another configuration of the infrared capturing device;

in the attached drawings, 1, a guide hole; 2. a positioning sleeve; 3. positioning a guide assembly; 4. an infrared capture device; 5. catching the ball; 6. a first light-reflecting layer; 7. a first connecting rod; 8. a limiting cover; 9. sealing the cover; 10. a second light-reflecting layer; 11. a second connecting rod; 12. a grip portion.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Example 1:

the utility model provides an orthopedics location director, as shown in figure 1, is including being provided with guide hole 1's location sleeve 2, be connected with location direction subassembly 3 on the location sleeve 2, location direction subassembly 3 includes at least three infrared trapping apparatus 4 that are not on same straight line.

In this embodiment, as shown in fig. 2, the positioning and guiding assembly 3 further includes a first support disposed on the positioning sleeve 2, the infrared capturing device 4 includes a capturing ball 5 disposed on the first support, and a first reflective layer 6 is disposed on a surface of the capturing ball 5.

Preferably, the supporting body can be connected to the middle or the end of the positioning sleeve 2, more preferably, the first supporting body is connected to the end of the positioning sleeve 2, a plurality of first supporting bodies are connected with each other and form a topological structure, and the positioning sleeve 2 and the guide hole 1 both penetrate through the topological structure; in addition, in the embodiment, the utility model can be integrally formed by adopting a 3D printing process, so that the individual requirements are met; the first reflective layer 6 may be a reflective sticker or reflective paint.

Preferably, a first connecting rod 7 is connected to the catching ball 5, and the infrared catching device 4 is inserted and matched with the first supporting body through the first connecting rod 7.

Specifically, in the embodiment, the catching ball 5 and the first supporting body are of a split structure, and the catching ball 5 can be provided with the first reflective layer 6 and then mounted on the first supporting body in the production process, so that the catching ball has the advantages of convenience in processing and high production efficiency; in addition, by adopting a split structure, after the first reflective layer 6 of the single catching ball 5 is damaged, the single catching ball 5 can be taken down for replacement, and the overall service life of the utility model is prolonged.

Specifically, the reflector layer can adopt the preparation of PET reflection of light subsides, TC reflection of light subsides or 400 mesh grey silk screen printing reflection of light powder to form, preferably, first reflector layer 6 adopts the preparation of TC reflection of light subsides to form, and for the PET reflection of light subsides, TC reflection of light pastes the adhesion nature strong, and relative 400 mesh grey silk screen printing reflection of light powder has the advantage of being convenient for process and environmental protection.

Preferably, the number of the infrared capturing means 4 is four.

Preferably, the outer wall of the positioning sleeve 2 is annularly provided with a holding part 12, specifically, the holding part 12 can be sleeved on the positioning top cylinder, or the first supporting part, the positioning sleeve 2 and the holding part 12 are integrally formed.

Example 2:

on the basis of the above embodiment, in order to further better implement the present invention, in particular, the following arrangement is adopted, and when different from the above embodiment, as shown in fig. 3, the positioning guide assembly 3 further includes a second supporting body disposed on the positioning sleeve 2, the infrared capturing device 4 includes a limiting cover 8 disposed on the supporting body, the limiting cover 8 is funnel-shaped, a small end of the limiting cover 8 is connected with a sealing cover 9, and a second light reflecting layer 10 is disposed on an inner side of the sealing cover 9.

Preferably, a second connecting rod 11 is connected to the outer side of the cover 9, and the infrared capturing device 4 is in plug-in fit with the second supporting body through the second connecting rod 11.

Preferably, the second retroreflective layer 10 is a retroreflective sheet adhered to the inside of the cover 9.

Preferably, the reflective sheet is made of a TC reflective sticker.

Preferably, the number of the infrared capturing means 4 is four.

Specifically, for the catching ball 5, the second reflective layer 10 is attached to the sealing cover 9 in a planar structure, so that the advantages of convenience in production and processing are achieved, and the flatness and uniformity of the second reflective layer 10 are easily ensured, so that the catching precision is improved; in addition, the second reflective layer 10 is attached to the sealing cover 9 in a planar structure, so that the circle centers of the capture points can be ensured to be at the designed positions, and a plurality of circle centers are on the same plane, and the device has the advantages of high calibration precision and positioning precision and strong stability; it should be noted that, by the arrangement of the limiting cover 8, when the present invention exceeds the limiting, the limiting cover 8 can block the infrared camera and the second reflective layer 10, so that the optical capturing device cannot capture the second reflective layer, thereby stopping the positioning, thus ensuring that the second reflective layer is located in the optimal area of the optical capturing device, and avoiding the problems that the capturing is unstable due to the mutual shielding of the infrared capturing devices 4, and the use is affected intermittently when capturing images.

The orthopedic positioning guider disclosed by the utility model has the working principle that: the utility model is used in combination with infrared optical positioning navigation equipment, for example: the optical capturing instruments with the models of PST Iris and PST base HD can be matched with a positioning guider with 4 infrared capturing devices, the positioning guider with 3 infrared capturing devices can be matched with an optical capturing instrument with the model of NDI Polaris Vega ST for use, when the optical capturing instrument is used, the positioning sleeve 2 is held by hand, the end part of the positioning sleeve 2 is abutted to a preset punching position, the position information of all the infrared capturing devices is obtained through infrared optical positioning navigation equipment, when all or at least three infrared capturing devices move to the preset position or a coordinate point, the puncture position is determined, and an auxiliary instrument Kirschner wire or an open circuit device penetrates through a straight guide path to perform an operation.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims (9)

1. An orthopedic positioning guide, comprising: including locating sleeve (2) that is provided with guiding hole (1), be connected with location direction subassembly (3) on locating sleeve (2), location direction subassembly (3) include infrared trapping apparatus (4) that at least three is not on same straight line.

2. An orthopedic positioning guide as defined in claim 1, wherein: the positioning guide assembly (3) further comprises a first support body arranged on the positioning sleeve (2), the infrared capturing device (4) comprises a capturing ball (5) located on the first support body, and a first reflecting layer (6) is arranged on the surface of the capturing ball (5).

3. An orthopedic positioning guide as in claim 2, wherein: the catching ball (5) is connected with a first connecting rod (7), and the infrared catching device (4) is in plug-in fit with the first supporting body through the first connecting rod (7).

4. An orthopedic positioning guide as defined in claim 1, wherein: the first reflective layer (6) is made of TC reflective paste.

5. An orthopedic positioning guide as defined in claim 1, wherein: the positioning guide assembly (3) further comprises a second support body arranged on the positioning sleeve (2), the infrared capturing device (4) comprises a limiting cover (8) arranged on the support body, the limiting cover (8) is funnel-shaped, the small end of the limiting cover (8) is connected with a sealing cover (9), and a second light reflecting layer (10) is arranged on the inner side of the sealing cover (9).

6. An orthopedic positioning guide as in claim 5, wherein: the outer side of the sealing cover (9) is connected with a second connecting rod (11), and the infrared capturing device (4) is in plug-in fit with the second supporting body through the second connecting rod (11).

7. An orthopedic positioning guide as in claim 5, wherein: the second reflective layer (10) is a reflective sheet, and the reflective sheet is adhered to the inner side of the cover (9).

8. An orthopedic positioning guide as in claim 5, wherein: the reflective sheet is made of TC reflective paste.

9. An orthopedic positioning guide as claimed in any of claims 1 to 8, wherein: the number of the infrared capturing devices (4) is four.

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