Auxiliary device for precise puncture under guidance of image equipment

Abstract

The utility model relates to the technical field of medical auxiliary instruments, in particular to an auxiliary device for accurate puncture based on guidance of imaging equipment, which comprises a fitting base, a horizontal hinge shaft, a guide rail, a guide rail, a guide rail, a guide rail, a guide rail and a guide rail, the bottom of the fitting base is provided with a flat fitting contact surface, and one end of the fitting base is provided with a horizontal hinge shaft; the fan-shaped indicating dial is fixedly arranged at the top of the attaching base and is coaxial with the hinge shaft, and angle scales are arranged on the edge of the fan-shaped indicating dial; one end of the opening and closing rod is matched with the hinge shaft through a bearing, an angle indicating plate is arranged at the top of the opening and closing rod and corresponds to the angle scales, and the positioning part is fixedly arranged at the top of the angle indicating plate. According to the utility model, the adjustable angle gauge is established on the body surface and is matched with the planned path of the image, so that the puncture accuracy is improved, the puncture adjustment times, the overall operation time, the absolute scanning duration, the radiation dose and the complication occurrence rate are reduced, and the surgical experience of a patient is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, and in particular to an auxiliary device for precise puncture under the guidance of imaging equipment. Background Art

[0002] With the diversification of clinical treatment options, with the support of imaging equipment, the demand for target puncture positioning, biopsy, ablation and other operations in the human body has increased dramatically. For example, surgical resection of early uncertain lung nodules, represented by video-assisted thoracoscopic surgery (VATS), has become the preferred procedure. However, for nodules with a diameter of less than 1 cm or deeper into the lungs and more than 0.5 cm from the pleural edge, it is difficult to touch or identify with the naked eye during resection due to the growth location and histopathological characteristics. About 11.9%-25% of patients are converted to thoracotomy. In order to further reduce the blindness of intraoperative treatment and enhance the effectiveness of treatment plans, the best solution is to perform precise puncture at the target according to clinical requirements to guide the implementation of the next treatment plan. It is worth noting that deploying markers in the ideal position in the body is the most challenging test of the puncturist's spatial control ability and experience integration. In the actual operation of lung nodule puncture, we found that a considerable number of patients performed more than one needle path adjustment to match the acceptance requirements. However, human biopsy and ablation therapy require higher precision of puncture. If unnecessary multiple adjustments are made to correct the puncture, it will undoubtedly increase the patient's forced operation time and radiation dose, and potential complications will also increase. Long-term postural immobilization will make it difficult for patients to accept and continue to worsen their psychological state. On the other hand, the operator's multiple adjustments to the puncture path will also prolong the individual's learning time curve and increase his immediate irritability during the operation, which will affect the precision control during puncture.

[0003] There are many factors that affect accurate puncture positioning, including the operator's technical level, the patient's body position and breathing coordination, both of which require a lot of accumulated skills from the operator and strong cooperation from the patient, and cannot be improved in a short period of time. Another important influencing factor is that in order to avoid important organs or bone structures, it is necessary to plan the appropriate needle insertion depth and angle between the target position and the surface puncture point on the image. At present, the angle is mostly controlled by the operator in actual operation, which lacks accuracy. Utility Model Content

[0004] The utility model provides an auxiliary device for precise puncture under the guidance of imaging equipment. By establishing an adjustable angle meter on the body surface to match the planned path of the imaging image, the purpose is to improve the accuracy of puncture, reduce the number of puncture adjustments, the overall operation time, the absolute scanning time and the radiation dose, and the incidence of complications, while improving the patient's surgical experience.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary device for precise puncture under the guidance of imaging equipment, comprising: a fitting base, the bottom of the fitting base is provided with a flat fitting contact surface, and one end of the fitting base is provided with a horizontal hinge shaft; a fan-shaped indicator disk, the fan-shaped indicator disk is fixedly arranged on the top of the fitting base and is set coaxially with the hinge shaft, and the edge of the fan-shaped indicator disk is provided with an angle scale; an opening and closing rod, one end of the opening and closing rod is matched with the hinge shaft through a bearing, and the top of the opening and closing rod is provided with an angle indicator plate, the angle indicator plate corresponds to the angle scale, and is used to express the angle between the opening and closing rod and the fitting base; a positioning component, the positioning component is fixedly arranged on the top of the angle indicator plate, and is used to constrain the angle of the puncture needle.

[0006] Preferably, it also includes a level, which is embedded in the top of the fitting base.

[0007] Preferably, a positioning groove is provided on the top of the positioning component along the length direction of the angle indicating plate.

[0008] Preferably, an indication opening is provided in the center of the angle indication plate, and the sector-shaped indication disk extends upward through the indication opening.

[0009] Preferably, a clamping screw corresponding to the sector-shaped indicator plate is provided on one side of the opening and closing rod.

[0010] The beneficial effect of the utility model is that the angle of the fitting base of the opening and closing rod is adjusted by the obtained needle insertion angle to meet the setting of the needle insertion angle, and then the fitting base is fitted to the body surface and the level gauge is adjusted to be level with the ground. The puncture needle is inserted at the marked point on the body surface according to the set needle insertion angle through the positioning component, thereby avoiding the subjective fuzzy estimation error of the puncture angle, so as to reduce the number of adjustments for puncture and improve the accuracy and success rate of puncture. During the needle insertion process, the puncture needle fits with the positioning groove to ensure that the puncture angle is consistent with the set angle of the opening and closing rod. The angle indicator plate is set outside the fan-shaped indicator disk through the indicator opening to form a lateral constraint. Therefore, the head of the clamping screw can be adjusted to press against the back of the fan-shaped indicator disk to form a stop effect, thereby ensuring the stability of the needle insertion during the puncture process. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the top structure of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the other side of the utility model.

[0015] In the figure: 1. Fitting base; 2. Fitting contact surface; 3. Articulated shaft; 4. Fan-shaped indicator plate; 5. Angle scale; 6. Opening and closing rod; 7. Angle indicator plate; 8. Level; 12. Indicating opening; 13. Pressing screw; 100. Positioning component; 101. Positioning groove. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0017] according to Figure 1 , Figure 2 , Figure 3 As shown, an auxiliary device for precise puncture under the guidance of imaging equipment includes: a fitting base 1, the bottom of the fitting base 1 is provided with a flat fitting contact surface 2, and one end of the fitting base 1 is provided with a horizontal hinge shaft 3; a fan-shaped indicator disk 4, the fan-shaped indicator disk 4 is fixedly arranged on the top of the fitting base 1 and is coaxially set with the hinge shaft 3, and the edge of the fan-shaped indicator disk 4 is provided with an angle scale 5; an opening and closing rod 6, one end of the opening and closing rod 6 is matched with the hinge shaft 3 through a bearing, and the top of the opening and closing rod 6 is provided with an angle indicator plate 7, the angle indicator plate 7 corresponds to the angle scale 5, and is used to express the angle between the opening and closing rod 6 and the fitting base 1; a positioning component, the positioning component is fixedly arranged on the top of the angle indicator plate 7, and is used to constrain the angle of the puncture needle. It also includes a level 8, and the level 8 is embedded in the top of the fitting base 1.

[0018] In application, the needle insertion route is first planned on the image to avoid accidentally puncturing important organs, blood vessels and bony structures. Taking GE multi-row spiral CT as an example, a longitudinal vertical line is drawn on the image with the ground as the horizontal level, and the angle between the vertical line and the planned straight line path between the surface puncture point and the nodule in the image is the needle insertion angle. The angle between the opening and closing rod 6 and the fitting base 1 obtained by the needle insertion angle is adjusted to meet the setting of the needle insertion angle, and then the fitting base 1 is fitted to the body surface. Based on the premise that the level is stable, the positioning component is used to make the puncture needle insert the needle at the surface marking point according to the set needle insertion angle, thereby avoiding the subjective fuzzy estimation error of the angle, reducing the number of adjustments for needle insertion and puncture, and improving the accuracy and success rate of puncture, thereby reducing the overall operation time, absolute scanning time and radiation dose, and the incidence of complications, and correspondingly improving the patient's surgical experience.

[0019] A positioning groove 101 is provided on the top of the positioning component 100 along the length direction of the angle indicating plate 7 .

[0020] With this arrangement, during the needle insertion process, the puncture needle fits into the positioning groove 101 , thereby ensuring that the puncture angle is consistent with the set angle of the opening and closing rod 6 .

[0021] The angle indicating plate 7 is provided with an indicating opening 12 in the center, and the sector-shaped indicating disc 4 extends upward through the indicating opening 12. A clamping screw 13 corresponding to the sector-shaped indicating disc 4 is provided on one side of the opening and closing rod 6.

[0022] Through the above arrangement, the angle indicator plate 7 is sleeved on the outside of the sector-shaped indicator disk 4 through the indicator opening 12 to form a lateral constraint. Therefore, the clamping screw 13 can be adjusted so that the head of the clamping screw 13 is against the back of the sector-shaped indicator disk 4 to form a stopping effect, thereby ensuring the stability of needle insertion during puncture.

[0023] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An auxiliary device for precise puncture under the guidance of imaging equipment, characterized in that ,include: A fitting base (1), wherein a flat fitting contact surface (2) is provided at the bottom of the fitting base (1), and a horizontal hinge shaft (3) is provided at one end of the fitting base (1); A sector-shaped indicator disk (4), the sector-shaped indicator disk (4) is fixedly arranged on the top of the fitting base (1) and is coaxially set with the hinge shaft (3), and the edge of the sector-shaped indicator disk (4) is provided with an angle scale (5); an opening and closing rod (6), one end of the opening and closing rod (6) being matched with the hinge shaft (3) via a bearing, and an angle indicating plate (7) being provided on the top of the opening and closing rod (6), the angle indicating plate (7) corresponding to the angle scale (5) for expressing the angle between the opening and closing rod (6) and the fitting base (1); A positioning component (100) is fixedly arranged on the top of the angle indicating plate (7) and is used to constrain the angle of the puncture needle.

2. According to claim 1, an auxiliary device for precise puncture under the guidance of an imaging device, characterized in that: It also comprises a level (8), wherein the level (8) is embedded in the top of the fitting base (1).

3. The auxiliary device for accurate puncture under the guidance of an imaging device according to claim 1, characterized in that: A positioning groove (101) is provided on the top of the positioning component (100) along the length direction of the angle indicating plate (7).

4. The auxiliary device for accurate puncture under the guidance of an imaging device according to claim 3, characterized in that: The angle indicating plate (7) is provided with an indicating opening (12) in the center, and the sector-shaped indicating disc (4) extends upward through the indicating opening (12).

5. The auxiliary device for accurate puncture under the guidance of an imaging device according to claim 1, characterized in that: A clamping screw (13) corresponding to the sector-shaped indicator plate (4) is provided on one side of the opening and closing rod (6).

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