CN111329507A - Special arteriovenous internal fistula detector of uremia patient - Google Patents
Special arteriovenous internal fistula detector of uremia patient Download PDFInfo
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- CN111329507A CN111329507A CN202010123640.7A CN202010123640A CN111329507A CN 111329507 A CN111329507 A CN 111329507A CN 202010123640 A CN202010123640 A CN 202010123640A CN 111329507 A CN111329507 A CN 111329507A
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Abstract
The invention relates to the technical field of medical treatment, and discloses a special arteriovenous internal fistula detector for uremia patients, which comprises a shell, wherein a movable block is movably connected to the outer side of the shell, a cone pulley rotates to enable two clamping rods to approach each other and then move away from each other, when the clamping rods approach each other, the arms of the patients are clamped and fixed, the phenomenon that the detection parts of the patients deviate and the detection results are influenced when the patients are detected is avoided, when the clamping rods move away from each other, the fixing operation on the arms is automatically released, a second gear wheel rotates to enable an auscultation head to intermittently move up and down, the auscultation head automatically approaches the arms of the patients and keeps staying for a moment, the arteriovenous internal fistula condition is carefully detected, the accuracy of a detection structure is ensured, the movable block moves up and down to cause the change of the moving amplitude of the auscultation head, the falling height of the auscultation head can, the operation is more convenient.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a special arteriovenous internal fistula detector for uremia patients.
Background
Uremia is a common clinical syndrome of various advanced kidney diseases, and is a series of clinical manifestations appearing when chronic renal failure enters a terminal stage, various kidney diseases cause progressive irreversible decline of kidney functions until a series of symptoms and metabolic disorders appear when the functions are lost, when a patient enters a uremia stage, the kidney of the patient is highly damaged, in order to avoid irreversible damage to other organs of the body caused by toxin retention in the body, dialysis treatment is needed to be carried out, the kidney is replaced to work, waste is discharged, electrolyte and acid-base balance disorders are corrected, and the condition of the patient is improved. Before dialysis, an arteriovenous internal fistula operation is needed, the arteriovenous internal fistula operation is a small operation for anastomosing blood vessels, an artery at the position of a forearm close to a wrist and an adjacent vein are sutured, arterial blood flows in the anastomosed vein, an arteriovenous internal fistula is formed, and the blood vessels of the arteriovenous internal fistula can provide sufficient blood for hemodialysis treatment and guarantee the sufficiency of the dialysis treatment.
After the arteriovenous internal fistula is completed, daily care needs to be carried out, whether tremor occurs at an anastomotic stoma of the self-monitoring internal fistula or not and whether noise occurs in an auscultatory vessel or not are monitored by the self-monitoring internal fistula so as to find thrombosis in an early stage and avoid the situation that blood cannot circulate to influence the subsequent treatment, the arteriovenous internal fistula is detected, because a patient self-senses that a fistula has larger errors and goes to a hospital for detection, the detection is very inconvenient, and the conventional arteriovenous internal fistula detector, but the conventional detector needs to fix the arm of the patient when in detection, easily generates the condition of deviation, the detection result has larger errors, and because the height of the position of each fistula of the patients cannot be kept consistent, the auscultatory head of the detector cannot be adjusted up or down, and when the position of the auscultatory head is too high, if the arm is suspended, the patient can feel uncomfortable and the arm cannot be kept stable easily, make auscultation head and arm separation, be difficult for detecting, if with the help of other article with the help of the position bed hedgehopping of arm, it is not very convenient to operate, when the position of auscultation head is crossed low, makes patient unable detect.
Aiming at the defects of the prior art, the invention provides the special arteriovenous internal fistula detector for the uremic patient, which has the advantages of fixing the arm and adjusting the detection height, solves the problems of inconvenient operation and large detection error, clamps and fixes the arm of the patient, avoids the deviation of the detection part of the patient during detection to influence the detection result, automatically approaches the arm of the patient by the auscultation head, keeps staying for a moment, carefully detects the arteriovenous internal fistula condition, ensures the accuracy of the detection structure, can adjust the falling height of the auscultation head aiming at different crowds, ensures that the auscultation head can be attached to the surface of the detection part, and ensures more convenient operation.
Disclosure of Invention
Technical scheme (I)
In order to realize the purposes of fixing the arm and detecting the height, the invention provides the following technical scheme: the special arteriovenous internal fistula detector for uremia patients comprises a shell, a moving block, a supporting table, a clamping rod, a screw rod, a cone pulley, a rotating plate, a first gear, a first rotating disc, a second rotating disc, a non-full gear, a second gear, a first rotating disc, a second rotating disc, a connecting rod and an auscultation head.
Wherein:
the position and connection relationship among the structures are as follows:
a special arteriovenous internal fistula detector for uremia patients comprises a shell, wherein the surface of the shell is provided with a slotted hole, the size of the slotted hole is matched with that of a moving block, the outer side of the shell is movably connected with a power key, the outer side of the shell is movably connected with the moving block, the interior of the shell is fixedly connected with a supporting table, the supporting table consists of a transverse plate, a connecting block and two vertical plates with the same size, the surface of the transverse plate is concave, the two vertical plates are fixedly connected through the connecting block, a clamping rod is movably connected between the two vertical plates, the outer side of the supporting table is movably connected with two clamping rods with the same size, the outer side of each clamping rod is movably connected with a spring, one side of the spring, which is far away from the clamping rod, is movably connected with a screw rod, the surface of the screw rod is provided with two threads with the same size and opposite directions, and, the outside fixedly connected with cone pulley of screw rod, the outside swing joint of cone pulley has the cone pulley, the outside fixedly connected with commentaries on classics board of cone pulley, the outside swing joint of cone pulley has the commentaries on classics board, two hole strips that the size is the same are seted up on the surface of commentaries on classics board, regional surface presents two concave cambered surfaces that the size is the same between two hole strips, the outside swing joint of commentaries on classics board has first gear, first gear has two and the size is the same, the outside fixedly connected with bull stick and the arc board of first gear, the outside fixedly connected with spiral plate of the first gear in left side, the outside swing joint of spiral plate has first stay cord, the spiral plate is through first stay cord and first carousel swing joint.
A first rotary disc is movably connected above the first gear, a second pull rope is movably connected on the outer side of the first rotary disc, the first rotary disc is movably connected with a second rotary disc through the second pull rope, the left side of the first rotary disc is movably connected with the second rotary disc, an arc plate and a sector gear are fixedly connected on the outer side of the second rotary disc, a non-full gear is movably connected on the upper side of the second rotary disc, the area of the non-full gear, which is not provided with saw teeth, is in a concave arc shape, a stop lever is fixedly connected on the outer side of the non-full gear, a second gear is fixedly connected on the outer side of the non-full gear, a first rotary disc is fixedly connected on the outer side of the second gear, two slotted holes with the same size are formed in the surface of the first rotary disc, the size of each slotted hole is matched with the size of a lug of the second rotary disc, a second rotary disc is movably connected on one side of the second gear, the size of the stethoscope head is matched with the size of the second gear, the surface of the second rotary disc is fixedly connected with two lugs with the same size, the outer side of the second rotary disc is movably connected with a ring plate, the bottom of the ring plate is fixedly connected with a connecting rod, the top of the ring plate is movably connected with a connecting rod, the connecting rod is far away from a moving block fixedly connected with one side of the ring plate, the lower side of the second rotary disc is movably connected with a connecting rod, the bottom of the connecting rod is movably connected with a stethoscope head, and the outer side of the stethoscope head is fixedly connected with a limiting.
(II) advantageous effects
Compared with the prior art, the invention provides a special arteriovenous internal fistula detector for uremia patients, which has the following beneficial effects:
1. through the combined action of the first gear and the rotating plate, the first gear rotates to cause the rotating plate to intermittently rotate in a reciprocating manner, so that a power source is provided for subsequent fixing operation, and the linkage between structures is increased.
2. Through the combined action of cone pulley and clamping bar, the cone pulley rotates and arouses that two clamping bars are close to each other and keep away from again, and when the clamping bar was close to each other, it was fixed to carry out the centre gripping to patient's arm, avoids patient when examining, and the detection site takes place the skew, influences the testing result, and when the clamping bar was kept away from each other, the fixed operation to the arm was removed automatically.
3. Through the combined action of second carousel and non-full gear, the second carousel rotates and arouses that non-full gear takes place the intermittent type and rotates one hundred eighty degrees, and the auscultation operation of thickness provides the power supply, liberates both hands, and it is more convenient to operate.
4. Through the combined action of second gear and auscultation head, the second gear rotates and arouses that the auscultation head carries out intermittent type nature and reciprocates, and the auscultation head is automatic to be close to patient's arm to keep stopping for a moment, carefully detect the internal fistula condition of arteriovenous, guarantee to detect the accuracy of structure.
5. Through the combined action of movable block, second capstan and auscultation head, the movable block reciprocates and makes the eccentric degree of second capstan change, causes the range of reciprocating of auscultation head to change, can adjust the whereabouts height of auscultation head to the crowd of difference, ensures that the auscultation head listens and pastes the surface at the detection site, makes the operation more convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the connection between the cone pulley and the clamping rod of the present invention, wherein the structures are in the initial state and do not change their positions;
FIG. 4 is a schematic diagram of the movement traces of the cone pulley and the clamping rods according to the present invention, wherein the cone pulley rotates to cause the clamping rods to approach each other;
FIG. 5 is a schematic view of the connection between the rotating plate and the first gear according to the present invention;
FIG. 6 is a schematic view showing the connection relationship between the moving block, the first rotating disk and the stethoscope head according to the present invention, wherein each structure is in an initial state and does not change its position;
FIG. 7 is a schematic diagram showing the movement traces of the first rotating disk and the stethoscope head according to the present invention, wherein the first rotating disk rotates to cause the stethoscope head to move downward;
FIG. 8 is a schematic diagram of the moving block and the stethoscope head according to the present invention, wherein the moving block moves downward to cause the stethoscope head to move downward in a different amplitude;
FIG. 9 is a schematic view of the connection between the second gear and the first rotating disk according to the present invention;
FIG. 10 is a schematic view of a second rotating disk of the present invention.
In the figure: the stethoscope comprises a shell 1, a moving block 2, a support table 3, a clamping rod 4, a screw 5, a cone pulley 6, a rotating plate 7, a first gear 8, a first rotating disc 9, a second rotating disc 10, a non-full gear 11, a second gear 12, a first rotating disc 13, a second rotating disc 14, a connecting rod 15 and a stethoscope head 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 10, a special arteriovenous internal fistula detector for uremia patients comprises a shell 1, wherein the surface of the shell 1 is provided with a groove hole, the size of the groove hole is matched with that of a moving block 2, the moving block 2 is movably clamped in the groove hole of the shell 1, the outer side of the shell 1 is movably connected with a power key, the outer side of the shell 1 is movably connected with the moving block 2, the inner part of the shell 1 is fixedly connected with a supporting table 3, the supporting table 3 is composed of a transverse plate, a connecting block and two vertical plates with the same size, the surface of the transverse plate is concave, arms can be conveniently placed during detection, the two vertical plates are fixedly connected through the connecting block, a clamping rod 4 is movably connected between the two vertical plates, the outer side of the supporting table 3 is movably connected with a clamping rod 4, the clamping rod 4 is provided with two same size, the outer side of the clamping rod 4 is movably connected with a spring, the inside swing joint of clamping bar 4 has screw rod 5, two sections size is the same and opposite direction's screw thread has been seted up on the surface of screw rod 5, the outside swing joint of the regional body of rod of its screw thread has the movable block, the tapped hole has been seted up to the inside of movable block, its size respectively with the size looks adaptation of both ends screw thread, two movable blocks are located one side that two clamping bar 4 are close to each other, when making screw rod 5 rotate, two movable blocks are close to each other or keep away from, can promote clamping bar 4 and take place to rotate for the rotation with its junction with propping 3 risers of platform, make two clamping bar 4 be close to each other or keep away from.
The outer side of the screw rod 5 is fixedly connected with a cone pulley 6, the outer side of the cone pulley 6 is movably connected with a cone pulley, the size of the cone pulley is matched with that of the cone pulley 6, the outer side of the cone pulley is fixedly connected with a rotating plate 7, the outer side of the cone pulley 6 is movably connected with the rotating plate 7, two hole strips with the same size are arranged on the surface of the rotating plate 7, the surface of an area between the two hole strips presents two concave arc surfaces with the same size, the outer side of the rotating plate 7 is movably connected with a first gear 8, the first gear 8 has two holes with the same size, the outer side of the first gear 8 is fixedly connected with a rotating rod and an arc plate, one side of the rotating rod, far away from the first gear 8, is fixedly connected with a convex column, the size of the convex column is matched with that of the hole strips of the rotating plate 7, the arc plate of the first gear 8 is matched with that of the rotating plate 7, the outer, the rotor plate passes through first stay cord and first carousel 9 swing joint, the top swing joint of first gear 8 has first carousel 9, the outside swing joint of first carousel 9 has the second stay cord, first carousel 9 passes through second stay cord and second carousel 10 swing joint, the left side swing joint of first carousel 9 has second carousel 10, the outside fixedly connected with arc board and the sector gear of second carousel 10, the outside fixedly connected with dog of arc board, the size looks adaptation of sector gear and non-full gear 11, the top swing joint of second carousel 10 has non-full gear 11, non-full gear 11 does not establish the region of sawtooth and presents concave arc shape, its size and the size looks adaptation of second carousel 10 outside arc boards, non-full gear 11's outside fixedly connected with pin.
A second gear 12 is fixedly connected to the outer side of the non-all gear 11, a first rotary plate 13 is fixedly connected to the outer side of the second gear 12, two slotted holes with the same size are formed in the surface of the first rotary plate 13, the size of the slotted holes is matched with the size of a convex block of the second rotary plate 14, a second rotary plate 14 is movably connected to one side of the second gear 12, which is far away from the first rotary plate 13, a hollow groove is formed in the surface of the second rotary plate 14, sawteeth are fixedly connected to the inside of the hollow groove, the size of the sawteeth is matched with the size of the second gear 12, the second gear 12 is movably clamped in the hollow groove of the second rotary plate 14, two convex blocks with the same size are fixedly connected to the surface of the second rotary plate 14, a ring plate is movably connected to the outer side of the second rotary plate 14, a connecting rod 15 is fixedly connected to the bottom of the ring plate, a connecting rod is movably connected to the top of the ring plate, a, accessible connecting rod drives the collar plate synchronous motion, and second capstan 14 removes along with it to change the eccentric degree of second capstan 14, make the range of reciprocating of auscultation head 16 change, the below swing joint of second capstan 14 has connecting rod 15, and the bottom swing joint of connecting rod 15 has auscultation head 16, and the outside fixedly connected with of auscultation head 16 is spacing, spacing and 1 fixed connection of casing.
The working process and the principle of the device are as follows:
place patient's arteriovenous internal fistula region on propping platform 3, the start power supply, first carousel 9 rotates, and rotate the board soon outside driving the first gear 8 in left side through first stay cord, the first gear 8 in left side rotates along with it, the first gear 8 in left side meshes with the first gear 8 in right side and drives its synchronous rotation mutually, the concave cambered surface of commentaries on classics board 7 is kept away from to the arc board of the first gear 8 in left side, its bull stick is close to and changes board 7, the projection motion in the bull stick outside changes 7 hole strips to changeing board and leaves again, promote to change board 7 and take place to rotate, the bull stick of the first gear 8 in follow-up right side promotes to change board 7 and takes place reverse rotation, it takes place intermittent type reciprocating rotation to arouse changeing commentaries on classics.
The rotating plate 7 actuates the conical wheel on the outer side to rotate, the conical wheel is meshed with the conical wheel 6 to drive the conical wheel to synchronously rotate, the conical wheel 6 rotates to drive the screw rod 5 on the outer side to rotate, the two sections of threads of the screw rod 5 are opposite in direction, and the sizes of threaded holes of the two movable blocks are respectively matched with the sizes of the threads on the two ends, so that when the screw rod 5 rotates, the two movable blocks are driven to be away from each other, the movable blocks are close to the clamping rods 4 and push the clamping rods 4 to rotate by taking the connecting positions of the clamping rods 4 and the vertical plate of the supporting table 3 as rotating points, the two clamping rods 4 extrude springs on the outer sides of the clamping rods and are close to each; after the operation is finished, the cone pulley 6 rotates reversely, and the contact fixing operation is carried out.
The above structure and process are shown in FIGS. 2-5.
The first rotary disc 9 drives the second rotary disc 10 to rotate through the second pull rope, the arc plate and the sector gear at the bottom of the second rotary disc 10 rotate along with the arc plate, the arc plate drives the stop block at the outer side to be close to the stop lever of the non-full gear 11, the non-full gear 11 is pushed to rotate, the saw teeth of the non-full gear 11 are close to the sector gear, the subsequent sector gear is close to the saw teeth of the non-full gear 11 and is meshed with the saw teeth to drive the non-full gear to rotate one hundred eighty degrees, the subsequent arc plate is close to the non-full gear 11 and is attached to the concave arc surface of the non-full gear 11, the subsequent arc plate is stopped in time.
The non-full gear 11 drives the second gear 12 to synchronously rotate, the first rotary disc 13 rotates along with the first rotary disc, the second gear 12 is meshed with the saw teeth of the empty groove of the second rotary disc 14, the second rotary disc 14 is driven to rotate by taking the center of the second gear 12 as a rotating point, the outer side of the second rotary disc 14 is movably connected with a ring plate, the ring plate is movably connected with an auscultation head 16 through a connecting rod 15, the auscultation head 16 is limited by a limiting strip on the outer side and can only move vertically, and when the long shaft end of the second rotary disc 14 faces downwards, the ring plate moves downwards to push the auscultation head 16 to move downwards to be close to the arm of a patient through the connecting rod 15 so as to detect the arm; when the short axis end of the second rotating disc 14 is downward, the ring plate moves upward to pull the stethoscope head 16 upward away from the arm of the patient through the connecting rod 15.
Because the sizes of the arms of different people are different, when the lowest point of the auscultation head 16 is higher than or lower than the arms of a patient, the moving block 2 is pulled to move up and down, because the moving block 2 is movably connected with the ring plate at the outer side of the second rotary disc 14 through the connecting rod, the moving block 2 drives the ring plate to move up and down synchronously through the connecting rod, the convex block of the second rotary disc 14 moves along the slotted hole of the first rotary disc 13, and simultaneously, the saw teeth of the empty slot of the second rotary disc 14 are always meshed with the second gear 12, so that the distance between the center of the second rotary disc 14 and the center of the first rotary disc 13 is changed, the eccentricity degree of the second rotary disc 14 is changed, the up-and-down moving amplitude of the auscultation head 16 is changed, when the moving block 2 moves up and away from the center of the first rotary disc 13, the degree of the second rotary disc 14 is increased, the up-and-down moving amplitude, the auscultation head 16 is increased in the up-and-down movement range, and the effect of convenient use is achieved.
The above structure and process are shown in fig. 1 and fig. 6-10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (7)
1. The utility model provides a special arteriovenous internal fistula detector of uremia patient, includes casing (1), its characterized in that: the outer side of the shell (1) is movably connected with a moving block (2), the inner part of the shell (1) is fixedly connected with a supporting table (3), the outer side of the supporting table (3) is movably connected with a clamping rod (4), the inner part of the clamping rod (4) is movably connected with a screw rod (5), the outer side of the screw rod (5) is fixedly connected with a cone pulley (6), the outer side of the cone pulley (6) is movably connected with a rotating plate (7), the outer side of the rotating plate (7) is movably connected with a first gear (8), the upper part of the first gear (8) is movably connected with a first rotating disc (9), the left side of the first rotating disc (9) is movably connected with a second rotating disc (10), the upper part of the second rotating disc (10) is movably connected with a non-full gear (11), the outer side of the non-full gear (11) is fixedly connected with a second gear (12), the outer side of the second gear (12) is fixedly connected with a first rotating disc (13), and one side, far, a connecting rod (15) is movably connected below the second rotating disc (14), and the bottom of the connecting rod (15) is movably connected with a stethoscope head (16).
2. The arteriovenous internal fistula detector special for the uremia patient according to claim 1, which is characterized in that: the surface of the shell (1) is provided with a slotted hole, the size of the slotted hole is matched with that of the moving block (2), and the outer side of the shell (1) is movably connected with a power key.
3. The arteriovenous internal fistula detector special for the uremia patient according to claim 1, which is characterized in that: prop platform (3) by the diaphragm, link the piece and two risers that the size is the same, constitute, the surface of its diaphragm presents sunken form, and two risers are through linking a fixed connection, and swing joint has clamping bar (4) between two risers, and clamping bar (4) have two and the size is the same, and the outside swing joint of clamping bar (4) has the spring, and one side and screw rod (5) swing joint that clamping bar (4) were kept away from to the spring.
4. The arteriovenous internal fistula detector special for the uremia patient according to claim 1, which is characterized in that: two sections of threads with the same size and opposite directions are arranged on the surface of the screw rod (5), and a movable block is movably connected to the outer side of the rod body in the threaded area.
5. The arteriovenous internal fistula detector special for the uremia patient according to claim 1, which is characterized in that: the outside swing joint of cone pulley (6) has the cone pulley, the outside fixedly connected with of cone pulley changes board (7), two hole strips that the size is the same are seted up on the surface of commentaries on classics board (7), regional surface between two hole strips presents two concave arc surfaces that the size is the same, first gear (8) have two and the size is the same, the outside fixedly connected with bull stick and the arc board of first gear (8), the outside fixedly connected with of the first gear (8) in left side revolves the board, the outside swing joint who revolves the board has first stay cord, revolve the board through first stay cord and first carousel (9) swing joint.
6. The arteriovenous internal fistula detector special for the uremia patient according to claim 1, which is characterized in that: the outer side of the first rotary table (9) is movably connected with a second pull rope, the first rotary table (9) is movably connected with a second rotary table (10) through the second pull rope, the outer side of the second rotary table (10) is fixedly connected with an arc plate and a sector gear, the area of the non-full gear (11) without the saw teeth is in a concave arc shape, and the outer side of the non-full gear (11) is fixedly connected with a stop lever.
7. The arteriovenous internal fistula detector special for the uremia patient according to claim 1, which is characterized in that: the surface of second capstan (14) has seted up the dead slot, the inside fixedly connected with sawtooth of its dead slot, its size and the size looks adaptation of second gear (12), the fixed surface of second capstan (14) is connected with two lugs that the size is the same, the outside swing joint of second capstan (14) has the circle board, the bottom fixedly connected with connecting rod (15) of circle board, the top swing joint of circle board has the connecting rod, one side fixedly connected with movable block (2) of circle board is kept away from to the connecting rod, two slotted holes that the size is the same are seted up on the surface of first capstan (13), its size and the size looks adaptation of second capstan (14) lug, the spacing of the outside fixedly connected with of auscultation head (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123640.7A CN111329507B (en) | 2020-02-20 | 2020-02-20 | Special arteriovenous internal fistula detector of uremia patient |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123640.7A CN111329507B (en) | 2020-02-20 | 2020-02-20 | Special arteriovenous internal fistula detector of uremia patient |
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| CN111329507A true CN111329507A (en) | 2020-06-26 |
| CN111329507B CN111329507B (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138958A (en) * | 2020-09-24 | 2020-12-29 | 王敏 | A whitewash device for cable field |
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| FR3066098A1 (en) * | 2017-05-12 | 2018-11-16 | Mohamed Saad Elabbadi | DEVICE FOR MONITORING AND SELF-ASSESSING ARTERIO-VENOUS FISTULA |
| CN208448015U (en) * | 2017-10-26 | 2019-02-01 | 西安交通大学医学院第一附属医院 | The fixed bracket of internal fistula limb |
| CN206777340U (en) * | 2017-11-06 | 2017-12-22 | 李伟 | A kind of special internal arteriovenous fistula detector of uraemic patients |
| CN108283756A (en) * | 2018-01-04 | 2018-07-17 | 西安交通大学医学院第附属医院 | Internal arteriovenous fistula label punctures and its fixing device |
| CN208435673U (en) * | 2018-03-15 | 2019-01-29 | 中国人民解放军陆军军医大学第二附属医院 | A kind of easy sensor of internal arteriovenous fistula noise |
| CN109589153A (en) * | 2018-12-04 | 2019-04-09 | 谭斌 | A kind of portable cardiovascular arteriovenous fistula hemostasis device |
| CN209951484U (en) * | 2019-04-18 | 2020-01-17 | 刘爱静 | Pressure alarm device is prevented to artery and vein internal fistula |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138958A (en) * | 2020-09-24 | 2020-12-29 | 王敏 | A whitewash device for cable field |
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| CN111329507B (en) | 2021-02-02 |
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