CN218304949U - Positioning and deviation preventing device capable of assisting in monitoring blood flow of internal fistula and used for probe - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, and a can assist location that monitoring internal fistula blood flow is used for probe to prevent excursion device is disclosed, comprising a base plate, the inside of bottom plate is equipped with one end and extends to the left drive mechanism of bottom plate. This can assist location that monitoring internal fistula blood flow is used for probe to prevent excursion device, possess advantages such as fixed effectual, it needs the handheld various super probe of medical personnel to observe arteriovenous internal fistula or vascular access of patient when using to have solved some various super probes, in the arteriovenous internal fistula or arterial blood flow need be measured to another hand, perhaps need handheld pjncture needle to carry out the internal fistula puncture, the fixity is relatively poor, handheld various super probe is easy because the uncontrollable shake of hand causes various super formation of image to change and the deviation, unable accurate location blood vessel or internal fistula, cause unable accurate monitoring internal fistula blood flow, increase the risk of puncture failure easily when supplementary guide puncture internal fistula.

Description

Positioning and deviation preventing device capable of assisting in monitoring blood flow of internal fistula and used for probe

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a can assist location that monitoring internal fistula blood flow is used for probe to prevent excursion device.

Background

The color ultrasonic probe is a key detection component used on color ultrasonic, generates ultrasonic signals through the piezoelectric effect principle, plays a role in generating, collecting, receiving and transmitting the ultrasonic signals, and can be used for assisting in monitoring blood flow of blood vessels and guiding a puncture needle to perform blood vessel puncture.

For patients with end stage renal disease requiring hemodialysis kidney replacement therapy, vascular access is the patient's lifeline for hemodialysis, while arteriovenous fistulas are the most common hemodialysis vascular access. The blood flow of the internal fistula is monitored regularly, the patients with abnormal blood flow are found in time and intervene actively, the service life of the internal fistula can be prolonged, and the life quality of the patients is improved. And for patients with deep internal fistula blood vessels and complicated blood vessel conditions, the puncture success rate can be greatly improved by puncturing the internal fistula under ultrasonic guidance, and the blood vessel damage is reduced.

Present color ultrasound probe needs the handheld color ultrasound probe of medical personnel to observe when using arteriovenous internal fistula or vascular access of patient, arteriovenous internal fistula or brachial artery blood flow must be measured to another hand, perhaps need handheld pjncture needle to carry out internal fistula vascular puncture, the fixity can be relatively poor, handheld color ultrasound probe is easy because the uncontrollable shake of hand causes color ultrasound formation of image to change and the deviation, unable accurate location blood vessel or internal fistula, cause unable accurate monitoring internal fistula blood flow volume, increase the risk of puncture failure easily when supplementary guide puncture internal fistula, increase the possibility of vascular damage. Therefore, a positioning deviation-preventing device for a probe, which can assist in monitoring the blood flow of the internal fistula, is provided to solve the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model provides a can assist location that monitoring internal fistula blood flow is used for probe to prevent excursion device, possess advantages such as fixed effectual, when having solved some various super probes and need the handheld various super probe of medical personnel to observe patient's arteriovenous internal fistula or vascular route when using, arteriovenous internal fistula or arterial blood flow need be measured to another hand, perhaps need handheld pjncture needle to carry out the internal fistula puncture, the fixity can be relatively poor, handheld various super probe is easy because the uncontrollable shake of hand causes various super formation of image to change and the deviation, unable accurate location blood vessel or internal fistula, cause unable accurate monitoring internal fistula blood flow, increase the risk of puncture failure easily when supplementary guide puncture internal fistula.

(II) technical scheme

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a can assist location that monitoring internal fistula blood flow is used for probe and prevent excursion device, includes the bottom plate, the inside of bottom plate is equipped with one end and extends to the left drive mechanism of bottom plate, the top of bottom plate is equipped with quantity and just is the elevating system of bilateral symmetry distribution, two elevating system all is connected with the drive mechanism transmission, the top fixedly connected with of bottom plate is located the bolster between two elevating system, two the same mounting box of top fixedly connected with of elevating system, the inside of mounting box rotates and is connected with one end and extends to the left lead screw of mounting box, the left side fixedly connected with of lead screw is located the left first operation panel of mounting box, the outside threaded connection of lead screw has one end to extend to the movable plate at the mounting box back, back fixedly connected with quantity of movable plate is two and is the spacing card of upper and lower symmetric distribution, two the inside joint of spacing card has same probe, two the inside joint of spacing card has same fixing card who just is located the probe outside, the back fixedly connected with positioning mechanism of fixing card.

The beneficial effects of the utility model are that: after an external coupling agent is smeared on a probe, the probe is clamped in the two limit cards and fixed through the fixing card, a part of a patient body needing to be detected is placed on a bolster, the lifting mechanism is driven to operate through the transmission mechanism, the mounting box is pressed downwards to enable the probe to be in contact with the skin of the patient needing to be detected, the distance between the mounting box and the bottom plate is fixed through the lifting mechanism, the probe is fixed on the epidermis of the patient and cannot shake, the first operating disc is rotated and drives the screw to rotate, the screw drives the movable plate to move left and right, the movable plate drives the two limit cards to move left and right, the probe is driven to move through the movement of the limit cards to detect the limb of the patient, detected data is transmitted to the display through signal connection of the probe and an external color Doppler display and is displayed on the display, the range of the positioning mechanism probably needing to be punctured is adjusted by comparing the part of the patient through the color Doppler image displayed on the display, and puncturing operation is performed within the range indicated by the positioning mechanism.

The positioning deviation prevention device capable of assisting in monitoring the blood flow of the internal fistula and used for the probe has the advantage of good fixing effect.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, drive mechanism includes the pivot, the pivot is connected and the left end extends to the left side of bottom plate with the inside rotation of bottom plate, the left side fixedly connected with of pivot is located the left second operation panel of bottom plate, the spacing axle that the outside fixedly connected with of pivot and the inside rotation of bottom plate are connected, the outside fixedly connected with quantity of pivot is two and is the first helical gear of bilateral symmetry distribution in spacing axle left and right sides, two the outside of first helical gear all meshes the second helical gear that is located the pivot top, two the bottom of second helical gear respectively with two elevating system's bottom fixed connection.

Adopt above-mentioned further scheme's beneficial effect be, helical gear can change the transmission direction.

Further, two elevating system all includes the screwed pipe, two the screw thread opposite direction of screwed pipe, two the screwed pipe all is connected with the inside rotation of bottom plate, two the bottom of screwed pipe respectively with the top fixed connection of two second helical gears, two the equal threaded connection in inside of screwed pipe has the double-screw bolt, two the equal fixedly connected with in top of double-screw bolt and mounting box bottom fixed connection's stand, two the internal thread with homonymy double-screw bolt looks adaptation is all seted up to the inside of screwed pipe.

Adopt above-mentioned further scheme's beneficial effect be, threaded connection possesses the auto-lock nature, can prevent that the mounting box from sliding behind the fixed mounting box.

Furthermore, the probe is a color ultrasonic acquisition head, the bottom of the probe extends to the lower part of a lower limit card, the top of the probe extends to the upper part of the upper limit card, the probe is in signal connection with an external color ultrasonic display, and the outer side of the probe is fixedly connected with a limit sleeve matched with the two limit cards.

Adopt above-mentioned further scheme's beneficial effect be, the stop collar can carry on spacingly to the probe, prevents to slide.

Further, the front fixedly connected with quantity of fixing clip is four and extends to the inside card axle of two spacing cards respectively, two the inside of spacing card all is equipped with quantity and is four and just

The spring clamps are respectively matched with the two clamping shafts on the same side, and the upper side and the lower side of each clamping shaft are provided with clamping grooves matched with the two spring clamps on the same side.

Adopt above-mentioned further scheme's beneficial effect be, the spring card can increase the firm in connection nature of card axle.

Further, positioning mechanism includes the mounting panel, the back fixed connection of mounting panel and fixing clip, the back fixedly connected with quantity of mounting panel is two and is the baffle that bilateral symmetry distributes, two the same slide bar of fixedly connected with between the baffle, the outside sliding connection of slide bar has quantity to extend to the inside slider of mounting panel for two and one end, two the slider all with the inside sliding connection of mounting panel, two the equal fixedly connected with pointer in the back of slider, two the damping ring of the equal fixedly connected with in inside and the slide bar outside contact of slider.

Adopt above-mentioned further scheme's beneficial effect be, the damping ring can improve the frictional force of slider and slide bar, avoids the slider freely to slide in the slide bar outside.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the connecting structure of the moving plate and the position-limiting card of the present invention;

FIG. 3 is a top view of the fixing clip and positioning mechanism connection structure of the present invention;

fig. 4 is an enlarged view of the structure at a of the present invention.

In the figure: 1. a base plate; 2. a transmission mechanism; 201. a rotating shaft; 202. a second operation panel; 203. a limiting shaft; 204. a first helical gear; 205. a second helical gear; 3. a lifting mechanism; 301. a solenoid; 302. a stud; 303. a column; 4. a bolster; 5. mounting a box; 6. a lead screw; 7. a first operation panel; 8. moving the plate; 9. a limiting card; 10. a probe; 11. fixing the card; 12. a positioning mechanism; 1201. mounting a plate; 1202. a baffle plate; 1203. a slide bar; 1204. a slider; 1205. a pointer; 13. clamping a shaft; 14. and (4) spring clamping.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the embodiment, as shown in fig. 1-4, the utility model provides a positioning deviation prevention device for a probe capable of assisting in monitoring blood flow of internal fistula, which comprises a bottom plate 1, a transmission mechanism 2 with one end extending to the left side of the bottom plate 1 is arranged in the bottom plate 1, two lifting mechanisms 3 which are symmetrically distributed left and right are arranged at the top of the bottom plate 1, the two lifting mechanisms 3 are both in transmission connection with the transmission mechanism 2, a bolster 4 positioned between the two lifting mechanisms 3 is fixedly connected to the top of the bottom plate 1, the same mounting box 5 is fixedly connected to the tops of the two lifting mechanisms 3, a lead screw 6 with one end extending to the left side of the mounting box 5 is rotatably connected to the inside of the mounting box 5, a first operating panel 7 positioned at the left side of the mounting box 5 is fixedly connected to the left side of the lead screw 6, a movable plate 8 with a movable plate extending to the back of the mounting box 5 is in threaded connection at the outer side of the lead screw 6, two limit cards 9 which are symmetrically distributed up and down are fixedly connected to the back of the mounting box 8, the same probe 10 is clamped to the inside of the two limit cards 9, the same probe 11 is clamped to the same fixing card 11;

the transmission mechanism 2 comprises a rotating shaft 201, the rotating shaft 201 is rotatably connected with the inside of the bottom plate 1, the left end of the rotating shaft 201 extends to the left side of the bottom plate 1, the left side of the rotating shaft 201 is fixedly connected with a second operating panel 202 positioned on the left side of the bottom plate 1, the outer side of the rotating shaft 201 is fixedly connected with a limiting shaft 203 rotatably connected with the inside of the bottom plate 1, the outer side of the rotating shaft 201 is fixedly connected with two first bevel gears 204 which are distributed on the left side and the right side of the limiting shaft 203 in a bilateral symmetry manner, the outer sides of the two first bevel gears 204 are respectively engaged with second bevel gears 205 positioned above the rotating shaft 201, and the bottoms of the two second bevel gears 205 are respectively fixedly connected with the bottoms of the two lifting mechanisms 3;

the adoption of the further scheme has the beneficial effects that the bevel gear can change the transmission direction;

the two lifting mechanisms 3 respectively comprise screw pipes 301, the thread directions of the two screw pipes 301 are opposite, the two screw pipes 301 are respectively rotatably connected with the inner part of the bottom plate 1, the bottoms of the two screw pipes 301 are respectively fixedly connected with the tops of the two second bevel gears 205, the inner parts of the two screw pipes 301 are respectively in threaded connection with studs 302, the tops of the two studs 302 are respectively fixedly connected with upright posts 303 fixedly connected with the bottom of the mounting box 5, and the inner parts of the two screw pipes 301 are respectively provided with internal threads matched with the studs 302 on the same side;

the screw thread connection has self-locking property, and can prevent the mounting box 5 from sliding after the mounting box 5 is fixed;

the probe 10 is a color ultrasonic acquisition head, the bottom of the probe 10 extends to the lower part of the lower limit card 9, the top of the probe 10 extends to the upper part of the upper limit card 9, the probe 10 is in signal connection with an external color ultrasonic display, and the outer side of the probe 10 is fixedly connected with limit sleeves matched with the two limit cards 9;

the further scheme has the advantages that the limiting sleeve can limit the probe 10 to prevent sliding;

the front side of the fixing clamp 11 is fixedly connected with four clamp shafts 13 which are respectively extended into the two limiting clamps 9, the two limiting clamps 9 are respectively provided with four spring clamps 14 which are respectively matched with the two clamp shafts 13 at the same side, and the upper side and the lower side of each of the four clamp shafts 13 are respectively provided with a clamping groove matched with the two spring clamps 14 at the same side;

the spring clamp 14 can increase the connection firmness of the clamp shaft 13;

the positioning mechanism 12 comprises a mounting plate 1201, the mounting plate 1201 is fixedly connected with the back of the fixing clamp 11, the back of the mounting plate 1201 is fixedly connected with two baffles 1202 which are symmetrically distributed left and right, a same sliding rod 1203 is fixedly connected between the two baffles 1202, the outer side of the sliding rod 1203 is slidably connected with two sliding blocks 1204 of which one ends extend into the mounting plate 1201, the two sliding blocks 1204 are slidably connected with the inside of the mounting plate 1201, the back of each sliding block 1204 is fixedly connected with a pointer 1205, and the inside of each sliding block 1204 is fixedly connected with a damping ring which is in contact with the outer side of the sliding rod 1203;

the beneficial effect of adopting the above further scheme is that the damping ring can improve the friction force between the sliding block 1204 and the sliding rod 1203, and the sliding block 1204 is prevented from freely sliding outside the sliding rod 1203.

The working principle is as follows:

the first step is as follows: after smearing an external couplant on the probe 10, clamping the probe 10 in the two limit cards 9, inserting the fixing card 11 into the two limit cards 9 from the outer side of the probe 10 through the clamping shaft 13, and fixing the clamping shaft 13 through the spring card 14 in the limit cards 9 so as to fix the probe 10;

the second step is that: the part of the limb of the patient needing to be detected is placed on the bolster 4, the second operation panel 202 is rotated, the second operation panel 202 drives the two first bevel gears 204 to rotate through the rotating shaft 201, the two second bevel gears 205 are respectively driven to rotate through the two first bevel gears 204, the solenoid 301 is driven to rotate through the bottom plate 1 through the two second bevel gears 205, when the solenoid 301 rotates, the stud 302 meshed with the internal thread of the solenoid drives the upright post 303 to descend, the mounting box 5 is pressed downwards, the probe 10 is contacted with the skin of the patient needing to be detected, and the distance between the mounting box 5 and the bottom plate 1 is fixed through the lifting mechanism 3, so that the probe 10 is fixed on the skin of the patient, and the shaking cannot be generated;

the third step: the first operating panel 7 is rotated, the first operating panel 7 drives the screw rod 6 to rotate, the screw rod 6 drives the moving plate 8 to move left and right, the moving plate 8 drives the two limiting cards 9 to move left and right, the probe 10 is driven to move through the movement of the limiting cards 9 to detect limbs of a patient, detected data are transmitted to the display through signal connection of the probe 10 and an external color Doppler display to be displayed, the two sliders 1204 are fluctuated compared with the part of the patient through the color Doppler image displayed on the display, the two sliders 1204 move through the sliding rod 1203, the pointers 1205 on the same side are driven to move through the two sliders 1204, a range which needs approximately puncture operation at the position indicated by the distance between the two pointers 1205 is passed, and then puncture operation is performed within the operation range indicated by the two pointers 1205.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A can assist and monitor internal fistula blood flow and be used for location anti-migration device of probe, includes bottom plate (1), its characterized in that: the inside of bottom plate (1) is equipped with that one end extends to bottom plate (1) left drive mechanism (2), the top of bottom plate (1) is equipped with quantity and is two and be elevating system (3) that bilateral symmetry distributes, two elevating system (3) all are connected with drive mechanism (2) transmission, the top fixedly connected with of bottom plate (1) is located bolster (4) between two elevating system (3), two the same mounting box (5) of top fixedly connected with of elevating system (3), the inside of mounting box (5) rotates and is connected with one end and extends to mounting box (5) left lead screw (6), the left side fixedly connected with of lead screw (6) is located mounting box (5) left first operation panel (7), the outside threaded connection of lead screw (6) has one end to extend to mounting box (5) movable plate (8) at the back, the back fixedly connected with quantity of movable plate (8) is two and is spacing card (9) that upper and lower symmetric distribution, two the inside joint of spacing card (9) has same probe (10), two the inside joint of spacing card (9) and the fixed probe (11) is located the same outside fixed probe (11) the fixed card (11) the positioning mechanism (11) that the fixed card (11) is connected with.

2. The device of claim 1, wherein the probe comprises a probe body and a probe cover, wherein the probe cover comprises: drive mechanism (2) are including pivot (201), pivot (201) are connected and the left end extends to the left side of bottom plate (1) with the internal rotation of bottom plate (1), the left side fixedly connected with of pivot (201) is located left second operation panel (202) of bottom plate (1), the spacing axle (203) that the outside fixedly connected with of pivot (201) is connected with bottom plate (1) internal rotation, the outside fixedly connected with quantity of pivot (201) is two and is first helical gear (204) of bilateral symmetry distribution in spacing axle (203) left and right sides, two the outside of first helical gear (204) all meshes has second helical gear (205) that are located pivot (201) top, two the bottom of second helical gear (205) respectively with the bottom fixed connection of two elevating system (3).

3. The device of claim 2, wherein the probe is adapted to assist in monitoring internal fistula blood flow by preventing displacement of the probe relative to the catheter, and wherein: two elevating system (3) all includes solenoid (301), two the screw thread opposite direction of solenoid (301), two solenoid (301) all rotate with the inside of bottom plate (1) and are connected, two the bottom of solenoid (301) respectively with the top fixed connection of two second helical gears (205), two the equal threaded connection in inside of solenoid (301) has double-screw bolt (302), two the equal fixedly connected with in top of double-screw bolt (302) and mounting box (5) bottom fixed connection's stand (303), two the internal thread with homonymy double-screw bolt (302) looks adaptation is all seted up to the inside of solenoid (301).

4. The device of claim 1, wherein the probe is configured to assist in monitoring internal fistula blood flow by preventing displacement of the probe relative to the catheter during use of the device: the color Doppler ultrasound probe is characterized in that the probe (10) is a color Doppler ultrasound acquisition head, the bottom of the probe (10) extends to the lower part of a lower limiting clamp (9), the top of the probe (10) extends to the upper part of the upper limiting clamp (9), the probe (10) is in signal connection with an external color Doppler ultrasound display, and the outer side of the probe (10) is fixedly connected with limiting sleeves matched with the two limiting clamps (9).

5. The device of claim 1, wherein the probe is configured to assist in monitoring internal fistula blood flow by preventing displacement of the probe relative to the catheter during use of the device: the positive fixedly connected with quantity of fixing clip (11) is four and extends to inside card axle (13) of two spacing cards (9) respectively, two the inside of spacing card (9) all is equipped with quantity for four and respectively with spring card (14) of two card axle (13) looks adaptations of homonymy, four the draw-in groove with two spring card (14) looks adaptations of homonymy is all seted up to the upper and lower both sides of card axle (13).

6. The device of claim 1, wherein the probe comprises a probe body and a probe cover, wherein the probe cover comprises: positioning mechanism (12) are including mounting panel (1201), the back fixed connection of mounting panel (1201) and fixing clip (11), the back fixedly connected with quantity of mounting panel (1201) is two and is baffle (1202) that bilateral symmetry distributes, two same slide bar (1203) of fixedly connected with between baffle (1202), the outside sliding connection of slide bar (1203) has quantity to extend to inside slider (1204) of mounting panel (1201) for two and one end, two slider (1204) all with the inside sliding connection of mounting panel (1201), two the equal fixedly connected with pointer (1205) in the back of slider (1204), two the equal fixedly connected with in inside of slider (1204) and the damping ring of slide bar (1203) outside contact.

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