Summary of the invention
The technical problem to be solved in the present invention is, at the defective of prior art by the poor stability of hand hold transducer detection cervical region blood vessel, provides a kind of and probe can be fixed, improved the stable cervical blood flow inspection side device of monitoring.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of cervical blood flow detecting device, comprise neck ring main body with opening, be rotatably installed in described neck ring main body one end for the hard-wired probe socket of probe and be arranged on described probe socket with described neck ring main body between the elastic compression mechanism that compresses of the described probe socket of drive.
In cervical blood flow detecting device of the present invention, described neck ring main body comprises neck ring seat that first end is connected with described probe socket, be arranged on the expansion strip of described neck ring seat second end and be arranged on governor motion between described neck ring seat and the described expansion strip.
In cervical blood flow detecting device of the present invention, described governor motion is included in the gathering sill that second end of described neck ring seat is provided with and the guide rail that cooperates with described gathering sill is set on described expansion strip; The guide rail that perhaps is included in the gathering sill that is provided with on the described expansion strip and cooperates with described gathering sill in the second end setting of described neck ring seat.
In cervical blood flow detecting device of the present invention, described governor motion also is included in latch that is provided with on the described expansion strip and the Elastic buckle that cooperates fastening in the second end setting of described neck ring seat with described latch.
In cervical blood flow detecting device of the present invention, the inner ring of described neck ring main body is provided with inflatable bladders.
In cervical blood flow detecting device of the present invention, described probe socket comprises Connection Block that is connected with described neck ring main body and the probe mount pad that outwards is provided with on described Connection Block.
In cervical blood flow detecting device of the present invention, described probe mount pad is provided with the probe installing hole, and described probe installing hole is spherical installing hole, is provided with in described spherical installing hole for described probe and inserts the hollow ball hinge of installing.
In cervical blood flow detecting device of the present invention, an end of described spherical hinge is provided with has the hollow sleeve that cracks, and the aperture of described hollow sleeve is less than the external diameter of described probe.
In cervical blood flow detecting device of the present invention, offer the opening that axially runs through at the sidewall of described probe installing hole, be provided with retaining mechanism in the both sides of described opening; Perhaps, described hollow ball hinge is rotating to be fixedly mounted in the described spherical installing hole, and is provided with damping piece between described hollow ball hinge and described spherical installing hole.
In cervical blood flow detecting device of the present invention, described elastic compression mechanism comprises respectively the hinge hole, the bearing pin that passes described hinge hole that are provided with in described neck ring main body and described probe socket joint, promote the elastic component that described probe socket inwardly rotates and be separately positioned on operating handle on described neck ring main body and the described probe socket; Perhaps, described elastic compression mechanism is elastic spring or the memory metal that is connected between described neck ring main body and the described probe socket.
Implement the present invention and have following beneficial effect: probe is installed on the probe socket, after searching out target blood by the manual operation probe again probe is maintained static, thereby can eliminate the defective that any one tiny action such as hand hold transducer is trembled, speech influence the jitter that brings, have the advantages such as muscle power that the blood flow signal that collects is stablized, alleviated operator's degree of fatigue, saves the operator.
The specific embodiment
As shown in Figure 1, be an embodiment of cervical blood flow inspection side device of the present invention, comprise the neck ring main body 100 with opening, the probe socket 200 that is rotatably installed in neck ring main body 100 1 ends and elastic compression mechanism 300.The probe of transcranial Doppler ultrasound apparatus is installed on the probe socket 200, and neck ring main body 100 utilizes the elastic force of elastic compression mechanism 300 to promote probe socket 200 to neck ring main body 100 inboard rotations around the cervical region that is set in the patient, compresses patient's cervical region; Carry out the searching of target blood then by medical personnel's hand hold transducer, it is fixing to pop one's head in again, and then can monitor for a long time.
In the present embodiment, these neck ring main body 100 scalable sizes are used thereby can be adapted to different patients; Certainly, also can be for unadjustable size, adapt to different patients' cervical region by the elasticity of utilizing material, perhaps be the neck ring main body 100 of fixed dimension.
As shown in Figure 1, 2, this neck ring main body 100 roughly is " C " thereby shape can be set in patient's cervical region, comprises neck ring seat 110, expansion strip 120 and governor motion.This neck ring seat 110 is roughly curved, and first end is connected with expansion strip 120 with probe socket 200 respectively with second end.Expansion strip 120 is connected second end of neck ring seat 110 by governor motion, and expansion strip 120 is roughly curved, forms the depression 121 of stepping down, thereby can step down for patient's throat position etc., and make wear more comfortable.
Governor motion is arranged between neck ring seat 110 and the expansion strip 120, is used to adjust the distance between neck ring seat 110 and the expansion strip 120, thereby can regulate the size of neck ring main body 100, adapts to different patients.In the present embodiment, this governor motion is the grooved rail structure, is included in gathering sill 112 that second end of neck ring seat 110 is provided with and the guide rail 122 that is provided with on expansion strip 120.Slide in gathering sill 112 by guide rail 122, adjust the distance that expansion strip 120 stretches out, thereby regulate the size of neck ring main body 100.Be understandable that the position of gathering sill 112 and guide rail 122 can exchange, for example gathering sill 112 is arranged on the end of expansion strip 120 and guide rail 122 is arranged on second end of neck ring seat 110.
Further, in order to locate the outreach of expansion strip 120, also be provided with positioning clamping body in this conciliation mechanism, for example, as shown in Figure 3, some latches 123 are set on expansion strip 120, and Elastic buckle 113 are set at second end of neck ring seat 110, by the cooperate fastening of Elastic buckle 113, locate expansion strip 120 with latch 123.Certainly, also Elastic buckle 113 can be arranged on the expansion strip 120, and latch 123 is arranged on the neck ring seat 110, can realizes buckle 113 location equally.Be understandable that clamping body can also be selected other forms of clamping body for use, for example the sidewall at gathering sill 112 is provided with locating hole by setpoint distance, and the corresponding sidewall at guide rail 122 is provided with locator protrusions, snaps in locating hole by locator protrusions and positions.
The size of the adjusting neck ring main body 100 of another kind of form be for adjusting, but an inflatable bladders 130 is set on neck ring main body 100, as shown in Figure 4.By air bag 130 is inflated, the inner ring size of neck ring main body 100 will be dwindled, until the neck size that just adapts to different patients; And contact with patient's cervical region by air bag 130 and can reduce compressing, wear more comfortable.
Shown in Fig. 1-5, this probe socket 200 is installed in first end of neck ring seat 110, comprises Connection Block 210 that is connected with neck ring main body 100 and the probe mount pad 220 that outwards is provided with on Connection Block 210.In the present embodiment, this Connection Block 210 is hinged on first end of neck ring main body 100 by elastic compression mechanism 300.This elastic compression mechanism 300 comprises the hinge hole 310 that is separately positioned on neck ring main body 100 and Connection Block 210 joints, the bearing pin that passes this hinge hole 310, promote the elastic component 330 that Connection Block 210 turns to the inside and be separately positioned on operating handle 340 on neck ring main body 100 and the probe socket 200.This elastic component 330 can be selected the torsion spring that is set in the bearing pin periphery for use, and the two ends of torsion spring fixedly connected with neck ring main body 100 with Connection Block 210 respectively, promotes Connection Block 210 thereby produce moment of torsion.Certainly, this elastic component 330 can also be selected for use as various elastic components 330 such as compression spring, reeds.
Understandable, elastic compression mechanism 300 can also adopt other version, for example, directly between neck ring main body 100 and probe socket 200, elastic spring or memory metal etc. are set, elastic-restoring force by elastic spring or memory metal etc. provides motive force, makes probe socket 200 have the trend that turns to the inside.
This probe mount pad 220 is stretched setting at an epitaxial lateral overgrowth of Connection Block 210, is used for installing for probe.This probe mount pad 220 comprises probe installing hole 221, offers the opening that axially runs through at the sidewall of probe installing hole 221, thus the packing into of convenient probe.And the both sides at opening are provided with retaining mechanism, thereby mounted probe is carried out lock in place.In the present embodiment, this retaining mechanism is included in the buckle ear 223 of opening both sides setting and the trip bolt 224 of locking two buckle ears 223.Understandable, the also available Elastic buckle 225 as shown in Figure 5 of trip bolt 224 of locking two buckle ears 223 replaces.
Further, in order better to adjust the monitoring angle of probe, this probe installing hole 221 is spherical installing hole, and hollow ball hinge 226 is set in spherical installing hole, one end of this hollow ball hinge 226 is provided with 228 the hollow sleeve 227 of cracking, and the aperture of hollow sleeve 227 is less than the external diameter of probe, thereby when probe is inserted into spherical hinge 226, strut hollow sleeve 227, and under the effect of the elastic-restoring force of hollow sleeve 227, clamp and pop one's head in wherein, make probe and spherical hinge 226 form an integral body, thereby probe can rotate in spherical installing hole in company with spherical hinge 226, and then adjusts angle.
Certainly, also probe also can be able to be designed to shape as shown in Figure 6, directly be inserted in the spherical hinge 226 and get final product, and not need to do independent fastening.As shown in the figure, these spherical hinge 226 rotating being installed in the spherical installing hole, and between spherical hinge 226 and spherical installing hole, be provided with damping piece 229, thus can avoid deviating from of spherical hinge 226.Probe directly is inserted in this hollow ball hinge 226, by excessive cooperation chucking, forms an integral body with spherical hinge 226.Make spherical hinge 226 in spherical installing hole, rotate at handle 340, carry out the adjustment of angle by the operation probe.
In use, at first unclamp the retaining mechanism of probe on the mount pad 220, probe is inserted in the hollow ball hinge 226, under the effect of the sleeve 227 of hollow ball hinge 226, make probe and spherical hinge 226 form an integral body; Then, the operating handle 340 on operation neck ring main body 100 and the probe socket 200 makes probe socket 200 with respect to neck ring main body 100 opened with certain angle; Then, neck ring main body 100 is set to patient's neck location, adjust angle after, unclamp operation handle 340, under the elastic-restoring force effect of elastic compression mechanism 300, make probe socket 200 turn to the inside, thereby make probe be adjacent to neck location the patient; Certainly, can regulate the size of neck ring main body 100, adapt to different patients' neck size by adjusting the governor motion on the neck ring main body 100; Then, by the operation probe, drive spherical hinge 226 rotation in probe installing hole 221, thereby adjust the monitoring angle of probe, aim at patient's cervical region blood vessel; Behind aligning, operate retaining mechanism again and fix to clamp probe, thereby probe is positioned.
Like this, just cervical blood flow detecting device can be worn on patient's cervical region, keep substantially being synchronized with the movement, not influenced by the slight jitter of patient's human body, can obtain to continue, stable signal with patient's body; And hand hold transducer is trembled easily, any one tiny action such as speech influences can eliminate long-time operation (especially long-range monitoring) time, the defective of jitter tired and that therefore bring easily.Have the blood flow signal long-term stability of gathering gained, the patient does not have the influence that pain or constriction, blood flow signal do not popped one's head in, the degree of fatigue of alleviating the operator, saves the advantage of operator's muscle power.