Laser positioning device for percutaneous lung trans-layer puncture under CT guidanceTechnical Field
The invention relates to the technical field of medical instruments, in particular to a laser positioning device for percutaneous lung trans-layer puncture under CT guidance.
Background
At present, the percutaneous lung puncture technology under CT guidance is a common technical means for diagnosing and treating difficult or complex lesions of the lung in respiratory and critical medical departments and image doctors. The percutaneous lung puncture technology under CT guidance has clinical application value, can accurately puncture in place, is the basis of puncture biopsy of lung occupying lesions and various non-vascular interventional treatments, and can clearly display the treatment conditions of iodized oil dispersion, particle distribution, ablation damage range, tumor inactivation and the like under CT scanning, which is the key of successful treatment. CT is used as a guiding way, is not influenced by gas and bones, has no application blind area, high spatial resolution and density resolution, can perform three-dimensional reconstruction if necessary, can display the size, position and quantity of lesion sites and the adjacent relation between the lesion sites and surrounding structures and organs, provides sufficient information for improving puncture accuracy and accurate treatment, can instantly evaluate the treatment conditions and complications such as iodized oil dispersion, particle distribution, ablation damage range, tumor inactivation and the like, and has wide popularization and lower scanning cost at present. Therefore, the percutaneous lung puncture technology under CT guidance has the advantages of accurate positioning, easy grasp of the puncture method and few complications, can observe pathological change treatment conditions at any time in operation, and has practical clinical application value for living pathological diagnosis and non-vascular interventional treatment of chest pathological changes.
Due to complications, this technique is currently developed mainly in trimethyl hospitals and requires a certain operational experience of the operators. At present, more tools or means are applied to guiding a puncture path on the same layer, but fewer tools for cross-layer puncture are relatively arranged, and in clinical work, cross-layer puncture is often required due to anatomical position. In order to make percutaneous trans-layer puncture more accurate and simpler, we designed a laser positioning device suitable for CT guided percutaneous pulmonary trans-layer puncture, so as to facilitate the use of clinicians.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a laser positioning device for percutaneous lung trans-layer puncture under CT guidance, which assists in efficient operation and accurate positioning of percutaneous lung trans-layer puncture under CT guidance.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
A laser positioning device for percutaneous lung trans-layer puncture under CT guidance comprises a bracket, an angle positioning guide arm and a trans-layer positioning arm, wherein the angle positioning guide arm and the trans-layer positioning arm are respectively movably installed at a space of 90 DEG at the upper end of the bracket;
The angle positioning guide arm and the cross-layer positioning arm have the same structure and comprise a connecting seat and a movable rod, wherein the connecting seat can longitudinally slide at the upper end of the bracket and is locked at any position, the connecting seat is connected with the movable rod through a controllable rotating seat, the movable rod is a telescopic rod, a line laser emitter and an angle meter are arranged at the middle and rear ends of the movable rod, and a calculator device is further arranged on the movable rod of the cross-layer positioning arm.
Further, the support comprises a base and an upright rod, wherein the upright rod is a telescopic rod, the cross section of the upper part of the upright rod is square, and a T-shaped sliding groove is longitudinally formed in two adjacent surfaces and is matched and fixed with the connecting seat.
Furthermore, the connecting seat comprises a sliding block, a threaded rod and a locking nut, wherein the sliding block is arranged in a limiting groove of the T-shaped sliding groove, the threaded rod extends out of the T-shaped sliding groove and is locked on the support through the locking nut which can move on the threaded rod and the surface of the vertical rod in an abutting mode, and the rear end of the threaded rod is provided with the controllable rotating seat.
Further, the controllable rotating seat comprises a rotating disc which is in rotary fit and is respectively connected with the threaded rod and the movable rod, and an adjusting knob is arranged in the center of the rotating disc to control rotation and locking;
the adjusting rotation direction of the controllable rotating seat is transverse or longitudinal.
Further, the angle meter is arranged on the movable rod, and a rotatable line laser transmitter is arranged on the angle meter;
The data acquisition module of the angle meter is connected with the calculator device to realize data transmission, acquired data are transmitted to the calculator device, and the calculator device is provided with a touch display screen, an operation processor and an interaction module.
Further, the base of the support is of a chassis or tripod structure with guide wheels, and the upright rod on the base is provided with a telescopic adjusting knob.
The invention has the beneficial effects that:
The invention relates to a laser positioning device for percutaneous lung trans-layer puncture under CT guidance, which comprises a bracket, an angle positioning guide arm and a trans-layer positioning arm, wherein the angle positioning guide arm and the trans-layer positioning arm are respectively movably installed at a space of 90 DEG at the upper end of the bracket;
According to the angle positioning guide arm and the trans-layer positioning arm, through the structural design of the connecting seat, the movable rod and the controllable rotating seat, the angle positioning guide arm and the trans-layer positioning arm can be adjusted and positioned at any position in a space, meanwhile, through the design of the line laser transmitter and the angle meter, the relative parameters of the adjusted angle positioning guide arm and the adjusted trans-layer positioning arm can be obtained, and under CT guidance, the percutaneous lung can puncture on the same layer and the trans-layer, and through reading and selecting the puncture parameters, the accurate and efficient operation is realized.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a laser positioning device for CT-guided percutaneous pulmonary trans-layer puncture according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a bracket according to an embodiment of the present invention.
FIG. 3 is a schematic view of an angle positioning guide arm according to an embodiment of the present invention;
FIG. 4 is a schematic view illustrating the connection of the angle positioning guide arm and the cross-layer positioning arm with the bracket according to the embodiment of the present invention;
FIG. 5 is a schematic view of the installation of a line laser transmitter and an angle gauge according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a cross-plane positioning arm according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a controllable rotating seat according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a laser positioning device for CT-guided transpulmonary trans-layer puncture according to an embodiment of the present invention;
FIG. 9 is a schematic diagram II of a laser positioning device for CT-guided transpulmonary trans-layer puncture according to an embodiment of the present invention;
The reference numerals for the various components in the drawings are as follows:
1-bracket, 101-base, 102-pole setting, 103-flexible adjust knob, 104-T spout, 2-angle location guide arm, 3-cross layer positioning arm, 4-armature seat, 401-slider, 402-threaded rod, 403-lock nut, 5-movable rod, 6-controllable swivel mount, 601-carousel, 602-adjust knob, 7-line laser emitter, 8-angle meter, 9-calculator device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-7
A laser positioning device for percutaneous lung trans-layer puncture under CT guidance comprises a bracket 1, an angle positioning guide arm 2 and a trans-layer positioning arm 3, wherein the angle positioning guide arm 2 and the trans-layer positioning arm 3 are respectively movably arranged at the upper end of the bracket 1 at a space of 90 DEG;
The angle positioning guide arm 2 and the cross-layer positioning arm 3 have the same structure and comprise a connecting seat 4 and a movable rod 5, wherein the connecting seat 4 can longitudinally slide at the upper end of the bracket 1 and is locked at any position, the connecting seat 4 is connected with the movable rod 5 through a controllable rotating seat 6, the movable rod 5 is a telescopic rod, a line laser emitter 7 and an angle meter 8 are arranged at the middle and rear ends of the movable rod 5, and a calculator device 9 is further arranged on the movable rod 5 of the cross-layer positioning arm 3.
The bracket 1 comprises a base 101 and an upright rod 102, wherein the upright rod 102 is a telescopic rod, the cross section of the upper part of the upright rod 102 is square, and two adjacent surfaces are respectively longitudinally provided with a T-shaped sliding groove 104 which is matched and fixed with the connecting seat 4.
The connecting seat 4 comprises a sliding block 401, a threaded rod 402 and a locking nut 403, the sliding block 401 is arranged in a limit groove of the T-shaped sliding groove 104, the threaded rod 402 extends out of the T-shaped sliding groove 104 and is locked on the bracket 1 by abutting the surface of the vertical rod 102 through the locking nut 403 which can move on the threaded rod 402, and the rear end of the threaded rod 402 is provided with the controllable rotating seat 6.
The controllable rotating seat 6 comprises a rotating disc 601 which is in rotary fit and is respectively connected with the threaded rod 402 and the movable rod 5, and an adjusting knob 602 is arranged in the center of the rotating disc 601 to control rotation and locking;
the adjusting rotation direction of the controllable rotating seat 6 is transverse or longitudinal.
The angle meter 8 is arranged on the movable rod 5, and the rotatable line laser transmitter 7 is arranged on the angle meter 8;
The data acquisition module of the angle meter 8 is connected with the calculator device 9 to realize data transmission, acquired data are transmitted to the calculator device 9, and the calculator device 9 is provided with a touch display screen, an operation processor and an interaction module.
The base 101 of the bracket 1 is of a chassis or tripod structure with guide wheels, and a vertical rod on the base 101 is provided with a telescopic adjusting knob 103.
The technical scheme of the invention is described below with reference to specific embodiments:
Example 1
In the embodiment, the laser positioning device for percutaneous lung trans-layer puncture under CT guidance comprises a bracket, an angle positioning guide arm and a trans-layer positioning arm, wherein the angle positioning guide arm and the trans-layer positioning arm are movably arranged at a space of 90 DEG at the upper end of the bracket respectively, the angle positioning guide arm and the trans-layer positioning arm have the same structure, the device comprises a connecting seat and a movable rod, the connecting seat can longitudinally slide at the upper end of the bracket and is locked at any position, the connecting seat is connected with the movable rod through a controllable rotating seat, the movable rod is a telescopic rod, a line laser emitter and an angle meter are arranged at the middle and rear ends of the movable rod, and a calculator device is also arranged on the movable rod of the trans-layer positioning arm;
the high-efficiency operation and the accurate positioning of the percutaneous lung trans-layer puncture under CT guidance are assisted by the movable rotating angle positioning guide arm, the trans-layer positioning arm, the installed linear laser emitter and the installed angle meter;
the specific operation is shown in fig. 8, namely, the cross-layer puncture positioning arm is used for knowing the length of a B line of a CT scanning layer thickness, displaying the length of an A line on a CT, calculating the position from a puncture point of a previous layer to a target, namely, the length of a C line according to the Pythagorean theorem, and calculating an angle a according to a formula of sina =A/C, so that the needle insertion length and the angle of a previous layer or a next layer can be known.
Namely, the data read by CT is combined with the data of the angle meter, and the needle insertion length and angle of the previous layer or the next layer are calculated by the calculator device so as to further operate.
Example 2
In the embodiment, the laser positioning device for percutaneous lung trans-layer puncture under CT guidance comprises a bracket, an angle positioning guide arm and a trans-layer positioning arm, wherein the angle positioning guide arm and the trans-layer positioning arm are movably arranged at a space of 90 DEG at the upper end of the bracket respectively, the angle positioning guide arm and the trans-layer positioning arm have the same structure, the device comprises a connecting seat and a movable rod, the connecting seat can longitudinally slide at the upper end of the bracket and is locked at any position, the connecting seat is connected with the movable rod through a controllable rotating seat, the movable rod is a telescopic rod, a line laser emitter and an angle meter are arranged at the middle and rear ends of the movable rod, and a calculator device is also arranged on the movable rod of the trans-layer positioning arm;
the high-efficiency operation and the accurate positioning of the percutaneous lung trans-layer puncture under CT guidance are assisted by the movable rotating angle positioning guide arm, the trans-layer positioning arm, the installed linear laser emitter and the installed angle meter;
as shown in FIG. 9, the same-layer puncture uses the laser of the angle positioning guide arm to form a guide line A and an angle a.
In the above embodiments 1 to 3, the angular positioning guide arm and the cross-layer positioning arm of the present invention may implement the adjustment and positioning of the angular positioning guide arm and the cross-layer positioning arm at any position in the space through the structural designs of the connecting seat, the movable rod and the controllable rotating seat, that is, the connecting seat includes a slider, a threaded rod and a locking nut, during the operation, the spatial position of the rear end may be adjusted through axial rotation, the planar relative position of the movable rod may adjust the angular positioning guide arm and the cross-layer positioning arm, while the design of the controllable rotating seat may adjust the position of the other spatial direction, that is, the three structural designs of the connecting seat, the movable rod and the controllable rotating seat may adjust the positions of the angular positioning guide arm and the working portion at the rear of the cross-layer positioning arm by 360 ° in the whole space, so as to obtain suitable parameters;
According to the technical scheme of the invention, parameter data acquired through the rotating line laser transmitters, the angle meters and the like can be sent to a computer or a wirelessly connected computing module to realize the calculation of angles and provide paths.
Meanwhile, through the design of the linear laser emitter and the angle meter, the relative parameters of the angle positioning guide arm and the trans-layer positioning arm after adjustment can be obtained, the percutaneous lung punctures the same layer and the trans-layer under CT guidance, and accurate and efficient operation is realized through reading and selecting puncture parameters.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.