Ultrasonic detection device for bronchial sampling
Technical Field
The invention relates to the technical field of medical equipment, in particular to an ultrasonic detection device for bronchial sampling.
Background
The bronchoscope is a medical instrument which is placed into the lower respiratory tract of a patient through the mouth or nose and is used for observing lung lobes, sections and sub Duan Zhi tracheal lesions, biopsy sampling, bacteriology and cytology examination, and can be matched with a TV system to carry out photography, teaching and dynamic recording;
The ultrasonic bronchoscope can 'perspective' adjacent lymph nodes or focus outside the broncholumen, and can carry out biopsy on suspicious targets by means of a special puncture device under the guidance of ultrasonic waves so as to clear the source and the property of the suspicious targets, but an ultrasonic probe of the ultrasonic bronchoscope is required to be additionally provided with a sheath body on the outer wall of the ultrasonic probe when in use, so that the volume of the ultrasonic bronchoscope is overlarge, only the main bronchus can be detected, the bronchus wall is easy to touch when the ultrasonic probe moves, discomfort of a patient is caused, and cell tissues in the bronchus are adhered on the sheath body to easily influence the detection.
In view of the above, the present invention provides an ultrasonic detection device for bronchial sampling to solve the above problems.
Disclosure of Invention
In order to achieve the above purpose, the invention provides the following technical scheme that the ultrasonic detection device for sampling bronchus comprises:
The tube mirror body is connected with external equipment by adopting a light guide connection port, and the side wall of the tube mirror body is provided with a suction port and a leakage detection port;
The focusing ring is rotatably arranged at one end of the tube mirror body, a hose is arranged at the other end of the tube mirror body, the hose is communicated with external sampling equipment by adopting a sampling channel, and a sampling port is formed in the side wall of one end, far away from the tube mirror body, of the hose;
a control assembly fixed at one side of the tube mirror body, and
The detection assembly is arranged at one end of the hose, which is far away from the tube mirror body, and is controlled and regulated through the control assembly and the focusing ring.
Further, preferably, the control assembly includes:
The control panel is fixed on the tube mirror body;
an adjusting knob which is rotatably arranged on the control panel, and one end of the adjusting knob extends into the tube mirror body;
the opening and closing knob is sleeved on the adjusting knob and can rotate on the control panel;
an opening and closing wire, one end of which is fixed on the opening and closing knob, the other end of which penetrates through the tube mirror body and the hose to be connected with the detection assembly, and the opening and closing wire can be wound on the opening and closing knob, and
And the limiting assembly is fixed on the opening and closing knob.
Further, preferably, a plurality of protruding limiting blocks are fixed on the upper end face of the control panel, and the protruding limiting blocks are matched with the limiting assembly to limit the opening and closing knob.
Further, preferably, the limiting assembly includes:
a rotary handle, one end of which is fixed on the control panel;
A sliding column slidably disposed at the other end of the rotary handle and having a pull disk fixed to the top end thereof, and
And the limiting pad is fixed at the bottom of the sliding column, and a limiting spring is arranged between the limiting pad and the rotary handle.
Further, preferably, the limiting pad is made of rubber, and is deformed by contact between the limiting spring and the protruding limiting block.
Further, preferably, the detection assembly includes:
The camera is fixed on the hose and used for adjusting the focal length through the focusing ring;
An ultrasonic probe hinged to the hose and being deflected by the adjustment knob, and
The shielding piece is arranged on the ultrasonic detection head in a sliding way, and one end of the shielding piece is connected with the opening and closing line.
Further, preferably, an ultrasonic detection surface is provided on one side of the ultrasonic detection head, which is close to the sampling port, a fixed shaft is fixed above the ultrasonic detection surface, two winding and unwinding shafts are symmetrically and rotatably arranged at two ends of the fixed shaft, a spring is sleeved between the winding and unwinding shafts and the fixed shaft, one end of a winding and unwinding wire is fixed on the outer wall of the winding and unwinding shaft, and the other end of the winding and unwinding wire is fixed at one end of the shielding sheet, which is far away from the opening wire.
Further, preferably, a flexible cotton is fixed on one side of the shielding sheet close to the ultrasonic detection surface.
Compared with the prior art, the invention provides an ultrasonic detection device for bronchial sampling, which has the following beneficial effects:
According to the invention, the shielding piece is arranged on the ultrasonic detection head to replace the existing sheath body, so that the volume of the ultrasonic detection head is greatly reduced, and cell tissues adhered to the detection surface of the ultrasonic detection head can be avoided through the shielding piece, when the ultrasonic detection head is used, the shielding piece is pulled through the control assembly, so that the ultrasonic detection surface is exposed, the condition that ultrasonic waves can only contact with a patient part through the sheath body during detection is avoided, the detection accuracy is improved, when anesthetic is sprayed on the patient part, the ultrasonic detection head is easily attached to the ultrasonic detection surface, at the moment, the shielding piece can be pulled through the retraction shaft, so that the ultrasonic detection surface is primarily cleaned, and then the shielding piece is pulled through the control assembly again, so that the ultrasonic detection surface is exposed, and the ultrasonic detection surface is secondarily cleaned, so that the detection accuracy is greatly improved.
Drawings
FIG. 1 is an overall schematic diagram of an ultrasonic probe for bronchial sampling;
FIG. 2 is a schematic diagram of a control assembly of an ultrasonic probe for bronchial sampling;
FIG. 3 is a schematic diagram of a probe assembly of an ultrasonic probe for bronchial sampling;
FIG. 4 is a schematic view of the interior of an ultrasonic probe for bronchial sampling;
In the figure, 1, a tube mirror body; 2, a focusing ring, 3, a leakage detection port, 4, a light guide connection port, 5, a suction port, 6, a control component, 7, a sampling channel, 8, a hose, 9, a detection component, 61, a control panel, 62, a protruding limiting block, 63, an adjusting knob, 64, an opening and closing knob, 65, an opening and closing line, 66, a rotating handle, 67, a sliding column, 68, a limiting pad, 69, a limiting spring, 81, a sampling port, 91, a camera, 92, an ultrasonic detection head, 93, a shielding sheet, 94, flexible cotton, 95, a fixed shaft, 96, a winding and unwinding shaft, 97, a spring, 98, a winding and unwinding line, 921 and an ultrasonic detection surface.
Detailed Description
Referring to FIGS. 1-4, the invention provides a technical scheme of an ultrasonic detection device for sampling bronchi, comprising:
The tube mirror body 1 is connected with external equipment by adopting a light guide connection port 4, and the side wall of the tube mirror body is provided with a suction port 5 and a leakage detection port 3;
the focusing ring 2 is rotatably arranged at one end of the tube mirror body 1, a hose 8 is arranged at the other end of the tube mirror body 1, the hose 8 is communicated with external sampling equipment by adopting a sampling channel 7, and a sampling port 81 is formed in the side wall of one end, far away from the tube mirror body 1;
a control assembly 6 fixed to one side of the tube mirror body 1, and
A detection assembly 9 is mounted at the end of the hose 8 remote from the borescope body 1 and is controlled and regulated by the control assembly 6 and the focus ring 2.
As a preferred embodiment, the control assembly 6 comprises:
a control panel 61 fixed to the tube mirror body 1;
an adjusting knob 63 rotatably provided on the control panel 61, and having one end extending into the tube mirror body 1;
The opening and closing knob 64 is sleeved on the adjusting knob 63 and can rotate on the control panel 61;
An opening/closing wire 65 having one end fixed to the opening/closing knob 64 and the other end connected to the detecting unit 9 through the tube mirror body 1 and the hose 8, and the opening/closing wire 65 being wound around the opening/closing knob 64, and
And a limiting component fixed on the opening and closing knob 64.
That is, the opening and closing knob 64 is turned to wind the opening and closing wire 65, so that the opening and closing wire 65 drives the detecting component 9 to perform relative movement, and convenience in operation is improved.
As a preferred embodiment, a plurality of protruding limiting blocks 62 are fixed on the upper end surface of the control panel 61, and the plurality of protruding limiting blocks 62 cooperate with the limiting assembly to limit the opening and closing knob 64.
As a preferred embodiment, the limiting assembly includes:
A rotary handle 66 having one end fixed to the control panel 61;
A sliding column 67 slidably provided at the other end of the rotary handle 66, and a pulling disk fixed to the top end of the sliding column 67, and
And a limiting pad 68 fixed at the bottom of the sliding column 67 and provided with a limiting spring 69 between the rotating handle 66.
In a preferred embodiment, the limiting pad 68 is made of rubber, and is deformed by contact between the limiting spring 69 and the protruding limiting block 62.
That is, when the opening and closing knob 64 needs to be rotated, the sliding column 67 is pulled to enable the limiting pad 68 to be far away from the protruding limiting block 62, so that the opening and closing knob 64 is convenient to rotate, the limiting pad 68 is in contact with the protruding limiting block 62 through the limiting spring 69 after the rotation is completed, at the moment, the limiting pad 68 made of rubber deforms through extrusion, so that friction force between the limiting pad 68 and the control panel 61 is increased, and limiting force is provided for the opening and closing knob 64.
As a preferred embodiment, the detecting assembly 9 includes:
a camera 91 fixed on the hose 8 and performing focal length adjustment by the focus ring 2;
an ultrasonic probe 92 hinged to said hose 8 and being deflected by said adjustment knob 63, and
The shielding plate 93 is slidably disposed on the ultrasonic probe 92, and one end of the shielding plate is connected to the opening/closing line 65.
It should be noted that, the focal length adjustment of the camera 91 by the focusing ring 2 and the deflection adjustment of the ultrasonic probe 92 by the adjusting knob are both conventional structures, and are not described herein.
As a preferred embodiment, an ultrasonic detection surface 921 is provided on a side of the ultrasonic detection head 92 near the sampling port 81, a fixed shaft 95 is fixed above the ultrasonic detection surface 921, two winding and unwinding shafts 96 are symmetrically and rotatably provided at two ends of the fixed shaft 95, a spring 97 is sleeved between the winding and unwinding shafts 96 and the fixed shaft 95, one end of a winding and unwinding wire 98 is fixed on the outer wall of the winding and unwinding shaft 96, and the other end of the winding and unwinding wire 98 is fixed at one end of the shielding piece 93 far away from the opening and closing wire 65.
It should be noted that, the shielding plate 93 is in an initial state to shield the ultrasound detecting surface 921, so as to prevent the ultrasound detecting surface 921 from adhering to the cell tissue when traveling in the bronchus, that is, to perform image transmission only through the camera 91 when the hose 8 moves in the bronchus, and to open the shielding plate 93 when reaching the patient position, thereby performing ultrasound detection on the patient position.
As a preferred embodiment, a flexible cotton 94 is fixed to a side of the shielding plate 93 close to the ultrasonic detection surface 921.
Specifically, during the use, through stretching into the bronchus with hose 8, carry out image transmission through camera 91, when reaching the disease position, through control unit 6 pulling shielding piece 93, thereby expose ultrasonic detection face 921, the ultrasonic wave still can be contacted with the disease position through the sheath body when having avoided surveying, the degree of accuracy of surveying has been improved, afterwards, spray anesthetic to the disease position through sampling port 81, after spraying, can pull sliding column 67 to release the spacing to opening and shutting knob 64 this moment, and receive and release axle 96 and rotate when passing through clockwork spring 97, make shielding piece 93 resume and shelter from the state, thereby carry out preliminary clearance to ultrasonic detection face 921, afterwards, stimulate shielding piece 93 through control unit 6 again, thereby expose ultrasonic detection face 921, carry out secondary clearance to the ultrasonic detection face, the degree of accuracy of surveying has been improved by a wide margin, finally, sample is taken out through sampling port 81, and withdraw from the device in the bronchus.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.