CN217366205U - Accurate positioning navigator of acetabular bone - Google Patents
Accurate positioning navigator of acetabular bone Download PDFInfo
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- CN217366205U CN217366205U CN202220608089.XU CN202220608089U CN217366205U CN 217366205 U CN217366205 U CN 217366205U CN 202220608089 U CN202220608089 U CN 202220608089U CN 217366205 U CN217366205 U CN 217366205U
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- rod
- acetabular
- acetabular bone
- adjusting rod
- positioning navigator
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Abstract
The utility model discloses an accurate location omniselector of acetabular bone can solve the problem that the accurate location angle of acetabular bone false body selected the difficulty among the prior art, belongs to medical instrument's technical field. Comprises a vertical rod, a horizontal rod and an adjusting rod. The vertical rod is connected with the horizontal rod; the vertical rod is connected with the adjusting rod. The horizontal rod is provided with a measuring rod, the adjusting rod is provided with a pointer, the adjusting rod and the pointer are fixedly arranged in a 45-degree abduction angle, and the adjusting rod is marked with a forward-inclined angle (20-40 degrees). The utility model discloses can realize the accurate location navigation of acetabular bone, the acetabular bone is once accomplished along the preparation of location navigation direction, ensures that the false body is fixed firm, can effectively avoid the acetabular bone to frustrate the adjustment of direction and position, can help the doctor to implement artifical total hip joint replacement operation fast. The instrument is simple to operate, low in cost, capable of being widely developed in any hospital and easy to popularize.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically be an accurate location omniselector of acetabular bone.
Background
The artificial hip joint replacement relates to a prosthesis consisting of an acetabulum and a femur, and the difficulty in operation is in the treatment of the acetabulum, because the acetabulum fossa grinding requires concentric circles and a certain angle, the acetabulum can be stably and firmly placed. If the acetabulum is placed at a wrong angle, the risk of dislocation after operation can occur, the operation fails, the operation needs to be restored or repaired again, the pain and the economic burden are brought to the patient, and the psychological pressure is also brought to the doctor, so the orientation and the position of the acetabulum are especially important to determine in the operation. At present, no matter imported or domestic instruments are used clinically, the position of the acetabulum cannot be accurately positioned.
In the operation process, the placing angle of the acetabular cup depends on the visual feeling and experience of an operator to a great extent, great uncertainty exists, various intraoperative and postoperative complications such as joint dislocation again, long operation time, non-concentric circles, iatrogenic fracture, infection and the like are often accompanied, and therefore an acetabular cup accurate positioning navigator is provided for solving the problems.
In view of many problems in the current operation, the acetabulum accurate positioning navigator has obvious advantages.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing an acetabular bone accurate positioning navigator
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an acetabulum accurate positioning navigator comprises a vertical rod, a horizontal rod and an adjusting rod. The horizontal rod is provided with a measuring rod; a pointer is arranged on the adjusting rod; the vertical rod is connected with the horizontal rod; the vertical rod is connected with the adjusting rod.
Furthermore, the adjusting rod and the connected pointer form a fixed 45-degree included angle.
Further, the adjusting rod is marked with a forward inclination angle ranging from 20 degrees to 40 degrees.
Further, the length of the vertical rod is 12 cm.
Further, the length of the horizontal rod is 20 cm.
Further, the length of the adjusting rod is 20.1 cm.
Further, the length of the pointer is 28.28 cm.
Compared with the prior art, the utility model provides an accurate location omniselector of acetabular bone has following
Has the advantages that:
the utility model discloses will be used for the difficulty in the operation to current operation to add innovative improvement, increase its actual result of use simultaneously. The utility model has the advantages of simple and reasonable structure, convenient to use can confirm acetabular bone false body's specific position and position accurately, fast, avoids the acetabular bone to frustrate many times adjustment and unnecessary perspective. Can be adapted to acetabulum of various sizes. The anteversion angle and the abduction angle of the acetabulum can be accurately positioned. The utility model discloses can realize the accurate location of acetabular bone, can ensure that the acetabular bone shape of handling is located the concentric circles, it is firm to make fixed stable of acetabular bone false body, can effectively avoid the postoperative dislocation, and the low limbs function exercise of going down as early as possible. The operation is simple, the apparatus can be repeatedly applied, the cost is low, and the operation can be widely developed and popularized in most hospitals.
Drawings
Fig. 1 is the utility model provides a holistic schematic structure diagram of accurate location omniselector of acetabular bone.
In the drawings: 1. a vertical rod; 2. a horizontal bar; 3. adjusting a rod; 4. a measuring rod; 5. a pointer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and are not intended to limit the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an acetabulum accurate positioning navigator comprises a vertical rod, a horizontal rod, an adjusting rod, a measuring rod and a pointer. The vertical rod (1) is connected with the horizontal rod (2); the vertical rod (1) is connected with the adjusting rod (3). The horizontal rod (2) is provided with a measuring rod (4); a pointer (5) is arranged on the adjusting rod (3); the adjusting rod (3) and the pointer (5) are fixed to be at an abduction angle of 45 degrees, and the adjusting rod (3) is marked with a forward-inclined angle (20-40 degrees). The utility model discloses in, during the use, the patient gets standard lateral position, disinfects around the hip joint, spreads aseptic piece of cloth, and skin and subcutaneous tissue are cut to the conventionality, take out the femoral head, show the acetabulum, put into the acetabular bone file, insert the accurate location omniselector of acetabular bone along acetabular bone file center, keep vertical rod (1) perpendicular to operating room ground, horizontal rod (2) perpendicular to patient's health longitudinal axis. The acetabulum anteversion angle is calculated according to the femur anteversion angle measured by CT before the operation. The adjusting rod (3) is placed on the known acetabulum forward inclination angle of the measuring rod (4). And adjusting the angle and the direction of the acetabular file in the next step to enable the acetabular file to coincide with the pointer (5) as much as possible and finally determine the abduction and forward inclination angles, withdrawing the accurate acetabular positioning navigator and performing the step of acetabular filing. The utility model discloses an accurate location, acetabular bone false body once squeezes into along the location navigator, ensures that acetabular bone false body is firm fixed, can effectively avoid risks such as postoperative dislocation, is favorable to patient's early rehabilitation. The step is simple to operate, the instrument can be repeatedly applied, the cost is low, and the method can be widely developed and popularized in most hospitals.
Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the spirit and scope of the invention, and any modifications, equivalents, improvements and the like made within the spirit and scope of the invention are intended to be encompassed by the present invention.
Claims (10)
1. The utility model provides an accurate positioning navigator of acetabular bone which characterized in that: the device comprises a vertical rod, a horizontal rod and an adjusting rod, wherein the horizontal rod is provided with a measuring rod; a pointer is arranged on the adjusting rod; the vertical rod is connected with the horizontal rod; the vertical rod is connected with the adjusting rod.
2. The acetabular precise positioning navigator of claim 1 wherein the vertical rod is connected 90 degrees to the adjustment rod.
3. The acetabular precision positioning navigator of claim 1 wherein the vertical rod is connected 90 degrees to the horizontal rod.
4. The acetabular precise positioning navigator of claim 1 wherein the measurement rod is circular arc-shaped centered on a vertical rod and connected to the horizontal rod.
5. The acetabular precision positioning navigator of claim 1, wherein the vertical rod has a length range of 12 cm.
6. The acetabular precision positioning navigator of claim 1, wherein the horizontal rod has a length in the range of 20 cm.
7. The acetabular precise positioning navigator of claim 1, wherein the length of the adjustment rod ranges from 20.1 cm.
8. The acetabular precise positioning navigator of claim 2, wherein: the adjusting rod and the connected pointer are fixed at 45 degrees.
9. The acetabular precise positioning navigator of claim 2, wherein: the adjusting rod is marked with a forward inclination angle (20-40 degrees).
10. The acetabular precise positioning navigator of claim 2, wherein: the length range of the pointer is 28.28 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220608089.XU CN217366205U (en) | 2022-03-10 | 2022-03-10 | Accurate positioning navigator of acetabular bone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220608089.XU CN217366205U (en) | 2022-03-10 | 2022-03-10 | Accurate positioning navigator of acetabular bone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217366205U true CN217366205U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220608089.XU Active CN217366205U (en) | 2022-03-10 | 2022-03-10 | Accurate positioning navigator of acetabular bone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217366205U (en) |
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2022
- 2022-03-10 CN CN202220608089.XU patent/CN217366205U/en active Active
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