CN217593000U - Laser puncture auxiliary guide system - Google Patents

Abstract

The utility model discloses a laser puncture auxiliary guide system. The laser puncture auxiliary guide system comprises a bracket, a laser angle meter arranged on the bracket and a puncture needle; the laser angle meter emits puncture laser and reference laser, and the puncture laser is perpendicular to the reference laser; the needle inserting direction of the puncture needle is coincident with or parallel to the puncture laser. The utility model discloses a parallel principle can advance the angle by real-time accurate monitoring pjncture needle, is showing and reducing operating time, and this equipment can nimble angle of adjustment simultaneously, and maneuverability is strong, and repeatability is good, need not during the operation worry puncture auxiliary assembly pollute operation platform, especially is fit for the puncture of lung's tubercle.

Description

Laser puncture auxiliary guide system

Technical Field

The utility model relates to a laser puncture auxiliary guide system belongs to the medical auxiliary instrument field.

Background

The gold standard for diagnosing occupying lesion in lung is pathological diagnosis, haaga carries out CT guided lung puncture for the first time in 1976, and through the development of decades, haaga becomes a relatively mature diagnostic technology in clinic at present, is particularly suitable for the qualitative determination of lesion parts which cannot be reached by a fiberbronchoscope, and is one of the most safe, effective and common examination means for obtaining pathological specimens at present. However, the CT cannot dynamically monitor the needle insertion process in real time, and the bare-handed operation is very helpful to the experience and proficiency of the physician, so that the CT is difficult to popularize and has high risk. In recent years, assisted puncture technologies such as puncture guides, electronic levels, IG4 electromagnetic navigation systems, 3D printing and the like can significantly improve the success rate of puncture and reduce the incidence of complications, but these instruments are expensive, difficult to acquire, complicated to operate and difficult to widely popularize.

Except the expensive auxiliary puncture tool, zhao Bao equally designs a fence positioner, which is very simple and convenient to manufacture, low in price and widely applied in clinic, so that the lesion tissue coincidence rate reaches 73%, but the needle insertion angle still hinders the puncture success rate. On the basis, the puncture guiding device disclosed by Fang Bing et al utilizes two groups of fences to position the angle of focus puncture, 50 patients in the group successfully obtain tissues uniformly once, the success rate of biopsy is further improved, but the accuracy is still to be improved. The person of Yang Wan, etc. invented a positioning device, and utilized two sets of protractors to combine with laser to determine the angle, and the puncture accuracy of the experimental group reaches 94.8%. Zhao Bijun, etc., but the puncture needle and the laser inclinometer are parallel by naked eyes, so that the cooperation between operators is tested, and the objectivity and the repeatability are poor. Although these instruments are cheap, simple to operate and easy to popularize, they still have problems of different degrees.

SUMMERY OF THE UTILITY MODEL

In order to overcome among the prior art operation complicacy, expensive, influence puncture operation, accuracy nature scheduling problem that lacks, the utility model aims at providing a laser puncture auxiliary guide system, this laser puncture auxiliary guide system can accurate positioning, improve subsequent puncture success rate, possesses the flexibility again simultaneously, and maneuverability is strong, and repeatability is good, need not anxious puncture auxiliary assembly during the operation and pollutes operation platform, can popularize basic unit's hospital.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

a laser puncture auxiliary guide system comprises a bracket, a laser angle instrument and a puncture needle, wherein the laser angle instrument and the puncture needle are arranged on the bracket;

the laser angle instrument emits puncture laser and reference laser, and the puncture laser is perpendicular to the reference laser;

the needle inserting direction of the puncture needle is coincident with or parallel to the puncture laser.

Therefore, two laser beams of the puncture laser and the reference laser are crossed at a part needing puncture on the body surface of a patient by adjusting the laser angle instrument, the puncture needle determines the puncture angle by being parallel to or superposed with the puncture laser, and the puncture is completed by combining the coronal plane laser positioning lamp and the three dimensions of the needle inserting depth measured by CT.

The utility model discloses a laser that laser angle appearance launched parallels or coincides with the pjncture needle to accomplish the accurate location under the CT guide, the pjncture needle is through parallel or the coincidence of the laser with laser angle appearance launched and confirms the needle insertion angle, thereby real-time supervision needle insertion angle.

According to the utility model discloses an embodiment, can also be right the utility model discloses do further optimization, following for optimizing the technical scheme who forms afterwards:

in one preferred embodiment, the intersection point of the puncture laser and the reference laser coincides with the simulated puncture point on the surface of the patient.

In order to conveniently locate the puncture depth and avoid excessive puncture, in a preferred embodiment, the puncture needle is provided with a puncture depth locating part at the lower part. Preferably, the puncture depth positioning part is a positioning ring sleeved on the puncture needle.

In order to facilitate needle insertion, in one preferred embodiment, the top of the puncture needle is provided with a pressing part.

In one preferred embodiment, the puncture needle is arranged on the slide rail; the direction of the slide rail is coincident with or parallel to the puncture laser. The arrangement of the sliding rail can liberate one hand of an operator and simultaneously avoid the deflection during needle insertion, thereby improving the needle insertion precision.

In one preferred embodiment, the top of the bracket is provided with a guide rail with an adjustable horizontal angle, and the laser angle gauge is arranged on the guide rail and can move along the direction of the guide rail. Therefore, the tripod carries the laser angle gauge, is arranged on the head side of a patient, the pulley on the tripod is moved, the cross laser of the laser angle gauge is positioned on the body surface of the patient needing puncture operation in a crossed manner, and the puncture needle and the laser are coincided or are inserted in parallel.

In one preferred embodiment, the laser angle meter is an electronic angle meter, and the precision can reach 0.01 degrees.

In one preferred embodiment, the puncture needle and the laser can be completely coincided or parallel, and the angle of the puncture needle is monitored in real time.

In one preferred embodiment, the tripod is placed on a flat ground, the forward and backward inclination angles of the laser angle instrument carried by the tripod are controlled to be 0.00 degree as much as possible, so that the laser angle instrument is parallel to the patient, and the position of the tripod is adjusted to enable the two laser beams to be positioned on the simulated puncture point on the surface of the patient in a crossed manner.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an auxiliary guide system of laser puncture can nimble angle of adjustment's equipment, and maneuverability is strong, and repeatability is good, need not during the operation worry puncture auxiliary assembly and pollutes operation platform, especially can regard as the necessary operation instrument of pulmonary nodule puncture guide. Specifically, the method comprises the following steps:

1. the utility model discloses an operator provides clear puncture route and accurate monitoring pjncture needle and advances the angle, need not operator naked eye estimation puncture angle, obviously reduces the number of times of inserting the needle, avoids traditional bare-handed puncture in-process to relapse CT scanning adjustment pjncture needle angle and direction, has effectively reduced among the puncture process to patient's CT radiation injury, has reduced puncture operation time and complication incidence.

2. The utility model discloses utilize the supplementary puncture of laser, need not to worry during the operation that the puncture auxiliary assembly pollutes operation platform.

3. The utility model discloses equipment low price, convenient operation, fast, study time length only need adjust the target angle and can accomplish angular positioning, and the accuracy can reach 0.01, easily promotes.

4. The utility model discloses do not need extra artifical supplementary fixed, do not contact with patient's health, can easily remove, only supplementary doctor punctures before CT scans, can not have the artifact to appear at CT scanning in-process.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present invention;

fig. 2 is a schematic diagram of another embodiment of the present invention.

In the figure

1-a support; 2-a guide rail; 3-laser goniometer; 4, puncturing needle; 5-puncture laser; 6-reference laser; 7-a slide rail; 41-positioning protrusions; 42-pressing part.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

Example 1

As shown in fig. 1, the laser puncture auxiliary guide system of the present embodiment includes a laser angle meter 3, a holder 1, and a puncture needle 4. The support 1 carries a laser angle instrument 3 and is arranged at the head side of a patient, the support 1 is moved, so that the cross laser of the laser angle instrument 3 is positioned on the body surface of the patient needing puncture operation in a crossed manner, and the puncture needle 4 and the laser 5 are coincided or are inserted in parallel. The laser angle instrument 3 is preferably an electronic angle instrument, and the precision can reach 0.01 degrees. The puncture needle 4 and the puncture laser 5 can be completely overlapped or parallel, so that the needle inserting angle can be monitored in real time. In some embodiments, the stand 1 is a tripod. The top of the tripod is provided with a guide rail 2 with an adjustable horizontal angle, and the laser angle instrument 3 is arranged on the guide rail 2 and can move along the direction of the guide rail (2), so that the positions and the angles of the puncture laser 5 and the reference laser 6 can be conveniently adjusted.

When the laser angle instrument is used, the support 1 is placed on a flat ground, the front and back inclination angles of the laser angle instrument 3 carried by the support are adjusted to be controlled to be 0.00 degree as much as possible, so that the laser angle instrument 3 is parallel to a patient, and the positions of the laser angle instrument 3 are adjusted to enable two beams of laser to be positioned on the simulated puncture points on the surface of the patient in a crossed mode.

In some preferred embodiments, the top of the bracket 1 is provided with a guide rail 2 with an adjustable horizontal angle, and the laser angle gauge 3 is arranged on the guide rail 2 and can move along the direction of the guide rail 2.

The laser puncture auxiliary guide system of this embodiment adopts parallel principle can real-time accurate monitoring pjncture needle to advance the angle, is showing and is reducing operating time, and this equipment can nimble angle of adjustment simultaneously, and maneuverability is strong, and repeatability is good, need not to worry that the puncture auxiliary assembly pollutes operation platform during the operation, especially is fit for the puncture of lung nodule.

Application example: and (3) taking the optimal puncture layer according to the CT image of the lung of the patient, determining and marking the puncture point by combining the body surface positioning grid and the CT machine positioning cursor, calculating the needle inserting path again, and measuring the angle between the needle inserting direction and the horizontal plane (avoiding ribs and great vessels) and the needle inserting distance. The forward and backward inclination angle of the laser puncture sighting device is adjusted to be close to 0.00 degrees, the horizontal angle is adjusted to be the same as the needle inserting direction calculated by the CT according to the needle inserting angle determined by the CT, and the bracket 1 carrying the laser angle instrument 3 is moved to be focused on the surface of the skin of a patient needing puncture. After disinfection, anesthesia and towel spreading, the puncture needle 4 is adjusted to be parallel to or coincident with the laser, the pressing part 42 of the puncture needle 4 is driven to puncture, and after the puncture needle 4 is confirmed to reach the target position, the positioning and the determination are carried out by using the CT again. Generally, the puncture needle 4 is provided with a positioning boss 41 to facilitate positioning of the puncture depth.

The puncture needle 4 of the embodiment is parallel to or coincident with the laser beam, the needle inserting angle can be completely consistent with that of the puncture laser 5, and then the needle inserting is carried out according to the distance between the pulmonary nodule and the chest wall determined by CT. The lung laser puncture sighting device adopts the parallel principle, can accurately monitor the advance angle of the puncture needle 4 in real time, and obviously reduces the operation time. And the equipment does not contact with the patient, thereby avoiding the occurrence of the infection event of the patient caused by the pollution of the operating table.

Example 2

Unlike embodiment 1, as shown in fig. 2, the puncture needle 4 is provided on a slide rail 7; the length direction of the slide rail 7 is coincident with or parallel to the puncture laser 5 by adjusting the angle of the slide rail 7. The slide rail 7 has the advantages of avoiding deflection when the needle is inserted, improving the needle inserting precision and freeing one hand of an operator.

The above-mentioned embodiments are to be construed as illustrative and not limitative of the remainder of the disclosure, and it is to be understood that various equivalent modifications can be made without departing from the spirit and scope of the disclosure as set forth in the appended claims.

Claims (8)

1. A laser puncture auxiliary guide system comprises a bracket and a laser angle gauge (3) arranged on the bracket, and is characterized by also comprising a puncture needle (4);

the laser angle meter (3) emits puncture laser (5) and reference laser (6), and the puncture laser (5) is perpendicular to the reference laser (6);

the needle inserting direction of the puncture needle (4) is coincident with or parallel to the puncture laser (5).

2. The laser assisted puncture guide system according to claim 1, wherein the intersection point of the puncture laser (5) and the reference laser (6) coincides with a pseudo-puncture point on the surface of the patient.

3. The laser puncture auxiliary guide system according to claim 1 or 2, wherein the puncture needle (4) is provided with a puncture depth positioning part (41) at a lower portion thereof.

4. The laser puncture auxiliary guide system according to claim 3, wherein the puncture depth positioning portion (41) is a positioning ring fitted over the puncture needle (4).

5. The laser assisted puncture guide system according to claim 1 or 2, characterized in that the top of the puncture needle (4) has a pressing part (42).

6. Laser assisted puncture guide system according to claim 1 or 2, characterized in that the puncture needle (4) is arranged on a slide (7); the length direction of the slide rail (7) is coincident with or parallel to the puncture laser (5).

7. The laser puncture auxiliary guide system according to claim 1 or 2, wherein the top of the bracket (1) is provided with a guide rail (2) with adjustable horizontal angle, and the laser angle gauge (3) is arranged on the guide rail (2) and can move along the direction of the guide rail (2).

8. The laser assisted puncture guide system according to claim 1 or 2, wherein the laser angle gauge is an electronic angle gauge.

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