CN112972834B - Positioning auxiliary device for peripheral arteriovenous puncture catheterization - Google Patents
Positioning auxiliary device for peripheral arteriovenous puncture catheterization Download PDFInfo
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- CN112972834B CN112972834B CN202110156534.3A CN202110156534A CN112972834B CN 112972834 B CN112972834 B CN 112972834B CN 202110156534 A CN202110156534 A CN 202110156534A CN 112972834 B CN112972834 B CN 112972834B
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- 230000002093 peripheral effect Effects 0.000 title claims abstract description 29
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 abstract description 29
- 210000003462 vein Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000004159 blood analysis Methods 0.000 description 1
- 210000002302 brachial artery Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002497 edematous effect Effects 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 210000003752 saphenous vein Anatomy 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
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Abstract
The invention provides a positioning auxiliary device for peripheral arteriovenous puncture catheterization. Peripheral arteriovenous puncture is put pipe and is used location auxiliary device includes: a bottom plate and a support; the positioning structure is arranged on one side of the support. The invention provides a positioning auxiliary device for a peripheral arteriovenous puncture cannula, which can be matched with the puncture cannula for use by arranging a positioning structure, is used as an auxiliary positioning structure of the puncture cannula, provides assistance for practicing medical personnel, and effectively positions the puncture cannula when a patient artery is punctured, the practicing medical personnel only need to push the puncture cannula to move without always holding the puncture cannula to move, so that the direct contact area between a hand and the puncture cannula is greatly reduced, even if the hand is shaken, slippery and the like due to tension, the influence on the puncture cannula can be minimized, the puncture cannula is always kept to move in a relatively stable state, and the puncture success rate is greatly improved.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a positioning auxiliary device for peripheral arteriovenous puncture catheterization.
Background
The peripheral vein refers to a superficial vein with a fixed anatomical position on the body surface, mainly located on the upper limb or the lower limb, such as the basilic vein, the cephalic vein, the median cubital vein, the great saphenous vein, the jugular vein, the scalp vein and the like, and is commonly used for establishing a venous channel clinically, and the arteriovenous puncture catheter is a medical appliance for taking arterial blood samples, the critical patients are in unstable state and may be dangerous at any time, therefore, the blood pressure of the patient needs to be monitored in real time, the arteriovenous blood pressure of the patient can be dynamically monitored in real time by using the arteriopuncture catheterization technology, and blood samples are taken to conduct arteriovenous blood and gas analysis, and the technology is realized on the premise that the puncture tube placing operation is adopted for patients, however, if the patient is obese, edematous or arterial spasmodic, the difficulty of catheterization is increased, and the success rate of puncture is reduced.
At present, the traditional artery catheterization is puncture catheterization by using a blind method, which is common, but has obvious defects, in the process of catheterization, an operator needs to have rich experience and skilled operation technique to finish catheterization as soon as possible in a short period, otherwise, the puncture work can be repeated, which brings great inconvenience to patients and medical staff, however, for the trainees without any experience, when the puncture tube is used for puncturing the peripheral arteriovenous of the patient, the difficulty of the hands is large, and the operation can be failed due to the shaking hands, the sliding hands, the weakness of hands and other external factors such as tension, the puncture and tube placement can be carried out once again, the success rate of puncture and tube placement is low, and certain pain is brought to patients, so that the use requirements of medical personnel in practice cannot be well met.
Therefore, it is necessary to provide a positioning aid for a peripheral arteriovenous puncture catheter to solve the above-mentioned problems.
Disclosure of Invention
The invention provides a positioning auxiliary device for peripheral arteriovenous puncture catheterization, which solves the problems that the operation difficulty of the existing arteriovenous puncture catheterization is high, the operation failure can be caused easily due to the situations of hand trembling, hand sliding, hand weakness and the like caused by other external factors such as tension and the like easily, and the use requirements of practicing medical care personnel can not be met well.
In order to solve the technical problem, the invention provides a positioning auxiliary device for peripheral arteriovenous puncture catheterization, which comprises:
a bottom plate and a support;
the positioning structure is arranged on one side of the support and comprises a rotating plate, a threaded rotating shaft is arranged inside the rotating plate, a rotating sleeve is in threaded connection with the outside of the threaded rotating shaft, a first worm wheel is sleeved outside the rotating sleeve, a first worm is meshed outside the first worm wheel, one end of the first worm is fixedly connected with a knob, one end of the threaded rotating shaft is fixedly connected with the positioning sleeve, two limiting rods are fixedly connected to one side of the positioning sleeve, the outside of each limiting rod is in sliding connection with the inside of the rotating plate, a clamping piece is fixedly connected to one side of the support, and a puncture placing pipe is clamped on the clamping piece;
the rotary groove is formed in the support, an adjusting structure is arranged in the rotary groove and comprises a second worm, a moving groove is formed in one side of the top of the bottom plate, a moving structure is arranged in the moving groove and comprises a moving piece and a serrated plate.
By adopting the technical scheme, one end of the second worm is rotationally connected with one side of the inner surface of the rotating groove, the other end of the second worm penetrates through the inside of the support and extends to one side of the outside of the support, and one end of the second worm is fixedly connected with the adjusting rotating piece.
Through adopting above-mentioned technical scheme, the outside meshing of second worm has the second worm wheel, one side of second worm wheel with one side fixed connection of rotor plate.
Through adopting above-mentioned technical scheme, the movable groove has been seted up to the inside of moving member, the inside sliding connection in movable groove has joint spare, fixedly connected with slide bar between the both sides of joint spare.
By adopting the technical scheme, the outer surface of the sliding rod is sleeved with the elastic part, the outer part of the sliding rod is in sliding connection with the inner part of the moving part, and the top of the clamping part is fixedly connected with the bottom of the support.
By adopting the technical scheme, the bottom of joint spare runs through the inside of moving member and extends to the bottom of moving member, the bottom of joint spare with the outside joint of sawtooth plate, the bottom of sawtooth plate with the bottom fixed connection of shifting chute internal surface.
By adopting the technical scheme, the two sides of the inner surface of the moving groove are communicated with the sliding grooves, the two sides of the moving part are fixedly connected with the pulleys, and the outer part of each pulley is connected with the inner part of each sliding groove in a rolling manner.
Through adopting above-mentioned technical scheme, the one end of first worm with the inside rotation of rotor plate is connected, the one end of screw thread pivot is run through the inside of rotor plate and is extended to the outside of rotor plate.
By adopting the technical scheme, the top fixedly connected with of bottom plate places the board, one side of placing the board is provided with the inoxidizing coating, the top of placing the board is provided with the fixed band.
Compared with the prior art, the positioning auxiliary device for the peripheral arteriovenous puncture catheterization provided by the invention has the following beneficial effects:
the invention provides a positioning auxiliary device for peripheral arteriovenous puncture catheterization,
(1) the positioning structure can be matched with the puncture cannula for use and used as an auxiliary positioning structure of the puncture cannula to provide assistance for medical personnel in practice, the puncture cannula is effectively positioned when the artery of a patient is punctured, the medical personnel in practice only needs to push the puncture cannula to move without always holding the puncture cannula to move, so that the direct contact area between the hand and the puncture cannula is greatly reduced, even if the hand is trembled, slippery or weak due to tension, the influence on the puncture cannula can be minimized, the puncture cannula is always kept to move in a relatively stable state, the puncture success rate is greatly improved, and the error frequency is reduced;
(2) through the matching arrangement of the rotating sleeve, the first worm wheel, the first worm, the positioning sleeve and the like, the distance between the positioning sleeve and the puncture tube can be adaptively adjusted according to the actual condition of the artery guided and detected by ultrasonic between punctures, and the adjusted positioning sleeve is used as the maximum certain distance of the puncture tube, so that visual moving basis is provided;
(3) the angle of the positioning structure can be adjusted by arranging the adjusting structure and matching with the positioning structure, the angle required by the whole positioning structure can be adjusted, so that the positioning structure and the puncture cannula can be in an inclined state, the puncture cannula can smoothly puncture the artery of a patient, the angle of the positioning structure can be adaptively adjusted according to the actual use condition, the puncture cannula can accurately puncture the artery of the patient, the flexibility of the positioning structure is increased, and the positioning structure is more convenient to use;
(4) through setting up the removal structure, use with the support cooperation for the support has the position control function, and then can drive location structure and remove, when using the puncture to put the pipe, can remove it to the best puncture position apart from patient's artery, better puncture the operation, further increases location structure's flexibility, can puncture the operation to different positions, makes its application range wider.
Drawings
FIG. 1 is a schematic structural view of the exterior of a positioning auxiliary device for a peripheral arteriovenous puncture catheter provided by the invention;
FIG. 2 is a schematic structural view of the interior of the positioning auxiliary device for peripheral arteriovenous puncture catheterization provided by the invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of the portion B shown in FIG. 2;
FIG. 5 is a schematic structural view of the exterior of the moving part shown in FIG. 2;
FIG. 6 is a schematic side view of the pivotal plate shown in FIG. 1;
fig. 7 is a schematic structural view of the side surface of the positioning auxiliary device for the peripheral arteriovenous puncture catheterization provided by the invention.
Reference numbers in the figures: 1. the base plate, 2, a support, 3, a positioning structure, 31, a rotating plate, 32, a threaded rotating shaft, 33, a rotating sleeve, 34, a first worm wheel, 35, a first worm, 36, a knob, 37, a positioning sleeve, 38, a limiting rod, 39, a clamping part, 310, a scale, 4, a puncture placing tube, 5, a rotating groove, 6, an adjusting structure, 61, a second worm, 62, an adjusting rotating part, 63, a second worm wheel, 7, a moving groove, 8, a moving structure, 81, a moving part, 82, a sawtooth plate, 83, a moving groove, 84, a clamping part, 85, a sliding rod, 86, an elastic part, 87, a pulley, 9, a sliding groove, 10, a placing plate, 11, a protective layer, 12 and a fixing band.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 in combination, wherein fig. 1 is a schematic structural diagram of an external positioning auxiliary device for a peripheral arteriovenous puncture catheter provided in the present invention; FIG. 2 is a schematic structural view of the interior of the positioning auxiliary device for peripheral arteriovenous puncture catheterization provided by the invention; FIG. 3 is an enlarged view of portion A of FIG. 2; FIG. 4 is an enlarged view of the portion B shown in FIG. 2; FIG. 5 is a schematic structural view of the exterior of the moving part shown in FIG. 2; FIG. 6 is a schematic side view of the pivotal plate shown in FIG. 1; fig. 7 is a schematic structural view of the side surface of the positioning auxiliary device for the peripheral arteriovenous puncture catheterization provided by the invention. Peripheral arteriovenous puncture is put pipe and is used location auxiliary device includes:
a bottom plate 1 and a support 2;
the positioning structure 3 is arranged on one side of the support 2, the positioning structure 3 comprises a rotating plate 31, a threaded rotating shaft 32 is arranged inside the rotating plate 31, a rotating sleeve 33 is in threaded connection with the outside of the threaded rotating shaft 32, a first worm wheel 34 is sleeved on the outside of the rotating sleeve 33, a first worm 35 is meshed with the outside of the first worm wheel 34, one end of the first worm 35 is fixedly connected with a knob 36, one end of the threaded rotating shaft 32 is fixedly connected with a positioning sleeve 37, two limiting rods 38 are fixedly connected to one side of the positioning sleeve 37, the outside of each limiting rod 38 is in sliding connection with the inside of the rotating plate 31, a clamping member 39 is fixedly connected to one side of the support 2, a scale 310 is fixedly connected to one side of the rotating plate 31, and a placing pipe 4 is punctured on the clamping member 39;
the rotating groove 5, the rotating groove 5 is opened in the inside of the support 2, the adjusting structure 6 is arranged in the rotating groove 5, the adjusting structure 6 comprises a second worm 61, the moving groove 7 is formed in one side of the top of the bottom plate 1, the moving structure 8 is arranged in the moving groove 7, and the moving structure 8 comprises a moving member 81 and a sawtooth plate 82.
The rotating plate 31 is rotatably connected with one side of the support 2, the rotating sleeve 33 can rotate in the rotating plate 31, the threaded rotating shaft 32 is arranged in a matching manner with the rotating sleeve 33, the first worm wheel 34 is fixedly connected with the outside of the rotating sleeve 33, the rotating sleeve 33 can be driven to rotate through the rotation of the first worm wheel 34, the first worm 35 is arranged in a matching manner with the first worm wheel 34, the first worm wheel 34 can be driven to rotate through the rotation of the first worm 35, one end of the first worm 35 extends to one side of the outside of the rotating plate 31 from the inside of the rotating plate 31, the first worm 35 can be driven to rotate through the rotation of the knob 36 on the outside, the two limiting rods 38 are connected with the inside of the rotating plate 31 in a sliding manner to limit the positioning sleeve 37, the threaded rotating shaft 32 cannot be driven to rotate when the rotating sleeve 33 rotates, the positioning sleeve 37 cannot rotate, and the chuck of the clamping member 39 has certain elasticity, the positioning sleeve 37 is sleeved outside the puncture cannula 4, the graduated scale 310 is used as a basis for the displacement distance of the movable sleeve 33, the graduated scale 310 is accurate to 0.1mm, and the movable sleeve 33 is ensured to accurately move;
by arranging the positioning structure 3, the positioning structure is mainly used for positioning the puncture cannula 4, when the puncture cannula 4 is used, the puncture cannula 4 is firstly arranged on the positioning structure 3, the outer part of the puncture cannula is clamped in the clamping piece 39, so that the positioning sleeve 37 is just sleeved outside the puncture cannula 4, at the moment, under the combined action of the clamping piece 39 and the positioning sleeve 37, the puncture cannula 4 can be stably arranged on the positioning structure 3, then the puncture position of a patient needs to be detected by ultrasonic guidance, the artery size and the actual distribution condition of the puncture position of the patient are determined, the position of the positioning sleeve 37 is adjusted according to the detected artery actual condition of the patient, the distance between the movable sleeve 33 and the puncture cannula 4 is adjusted to the position close to the artery diameter, at the moment, the position of the movable sleeve 33 is the maximum moving distance of the puncture cannula 4, and during adjustment, the first worm 35 can be rotated by rotating the external knob 36, so as to drive the first worm wheel 34 to rotate, the rotating sleeve 33 can be driven by rotating the first worm wheel 34 to rotate, so as to enable the threaded rotating shaft 32 to move in the horizontal direction, and simultaneously drive the positioning sleeve 37 to move in the horizontal direction until the positioning sleeve 37 moves to a required position, and the external knob 36 is stopped rotating, at this time, the positioning sleeve 37 keeps a stable state, when the puncture cannula 4 is used for puncturing an artery of a patient, a medical worker can insert the puncture cannula 4 to the artery by holding the puncture cannula 4 by hand, so that the external part of the medical worker slides in the clamping piece 39 and the positioning sleeve 37, when the external part of the puncture cannula 4 moves to the position of the positioning sleeve 37, the medical worker cannot move continuously because of being limited by the positioning sleeve 37, and at this time, a puncture needle of the puncture cannula 4 can just puncture the artery of the patient, because the position of the locating sleeve 37 is adjusted according to the actual condition of ultrasonic guide detection in advance, and then ensure that the puncture needle can be accurate to puncture the artery of the patient, and then the probability of the puncture to the artery is effectively reduced, greatly increased puncture success rate, through setting up this location structure 3, can put the pipe 4 cooperation use with the puncture, provide supplementary for medical personnel, when puncturing the artery of the patient, can adjust according to the actual condition of the patient, provide direct judgement basis for medical personnel in advance, reduce the influence of external factors, the precision of better grasp puncture needle, the success rate of puncture is effectively improved, and the use requirements of medical personnel are met.
One end of the second worm 61 is rotatably connected with one side of the inner surface of the rotating groove 5, the other end of the second worm 61 penetrates through the inside of the support 2 and extends to one side of the outside of the support 2, and one end of the second worm 61 is fixedly connected with an adjusting rotating piece 62.
The second worm 61 is rotatable inside the rotation groove 5, and the second worm 61 is rotated by rotating the adjustment rotating member 62 externally.
A second worm wheel 63 is engaged with the outside of the second worm 61, and one side of the second worm wheel 63 is fixedly connected with one side of the rotating plate 31.
The second worm 61 is matched with the second worm wheel 63, and the angle of the positioning structure 3 can be adjusted by arranging the adjusting structure 6 to be matched with the positioning structure 3, during adjustment, the second worm 61 can be rotated by rotating the outer adjustment rotor 62, the second worm wheel 63 can be driven to rotate at the same time through the rotation of the second worm 61, and the rotating plate 31 is finally driven to rotate through the rotation of the second worm wheel 63, so that the whole positioning structure 3 is adjusted to a required angle, the positioning structure 3 and the puncture cannula 4 can be in an inclined state, thereby facilitating the puncture tube 4 to smoothly puncture the artery of the patient, and according to the actual use condition, the angle of the positioning structure 3 is adjusted in a matching way, so that the puncture tube 4 can be accurately inserted into the artery of the patient, the flexibility of the positioning structure 3 is increased, and the use is more convenient.
A movable groove 83 is formed in the moving piece 81, a clamping piece 84 is connected to the inside of the movable groove 83 in a sliding mode, and a sliding rod 85 is fixedly connected between two sides of the clamping piece 84.
The clamping piece 84 can move in the vertical direction in the movable groove 83, and the sliding rod 85 limits the clamping piece 84, so that the clamping piece 84 can stably slide in the movable groove 83.
The outer surface of the sliding rod 85 is sleeved with an elastic part 86, the outside of the sliding rod 85 is slidably connected with the inside of the moving part 81, and the top of the clamping part 84 is fixedly connected with the bottom of the support 2.
The elastic member 86 provides elastic support for the clip member 84, so that the clip member 84 has a certain elastic force and can be reset by the elastic force of the elastic member 86 when not pulled.
The bottom of joint spare 84 runs through the inside of moving member 81 and extends to the bottom of moving member 81, the bottom of joint spare 84 with the outside joint of serration plate 82, the bottom of serration plate 82 with the bottom fixed connection of shifting chute 7 internal surface.
Both sides of the inner surface of the moving groove 7 are communicated with sliding grooves 9, both sides of the moving piece 81 are fixedly connected with pulleys 87, and the outer portion of each pulley 87 is in rolling connection with the inner portion of each sliding groove 9.
The sliding groove 9 and the pulley 87 are arranged in a matching manner, the sliding groove 9 and the pulley 87 roll in a matching manner, the moving part 81 can be limited, the moving part 81 can stably and smoothly move in the moving groove 7, the moving structure 8 is arranged and is matched with the support 2, the support 2 has a position adjusting function, the positioning structure 3 can be driven to move, when the horizontal position of the positioning structure 3 needs to be adjusted, the support 2 is pulled upwards, the clamping part 84 shrinks towards the inside of the moving groove 83, the outside of the clamping part is separated from the outside of the sawtooth plate 82, at the moment, the moving part 81 is not clamped, the support 2 can be pushed, the moving part 81 can slide in the horizontal direction in the moving groove 7, until the support 2 moves to a required position, the support 2 stops being pushed, the support 2 is not pulled upwards, at the moment, under the elastic action of the elastic part 86, the clamping part 84 moves downwards, make its bottom finally with serration plate 82's outside joint, moving member 81 receives spacingly this moment, can not remove in moving groove 7 is inside, and then make support 2 and location structure 3 remain stable, this removal structure 8, can realize support 2 horizontal position's regulation, when using the puncture to put pipe 4, can remove it to the best position of impaling of patient's artery of distance, better carry out the puncture operation, further increase location structure 3's flexibility, can be to the operation of impaling of different positions, make its application range wider.
One end of the first worm 35 is rotatably connected to the inside of the rotating plate 31, and one end of the threaded rotating shaft 32 penetrates through the inside of the rotating plate 31 and extends to the outside of the rotating plate 31.
The top of the bottom plate 1 is fixedly connected with a placing plate 10, one side of the placing plate 10 is provided with a protective layer 11, and the top of the placing plate 10 is provided with a fixing belt 12.
Place board 10 and place the position for patient's hand, the arc wall has been seted up at its top, set up with human hand adaptation, inoxidizing coating 11 is the sponge material, play the guard action to packing up, increase the comfort level of hand, the one end of fixed band 12 and the top joint of placing board 10, be provided with the adjustment key on it, make its length adjust according to the user demand, with adapt to different patient crowd's arm, fix patient's arm through fixed band 12 and place board 10, avoid patient's arm reaction when the puncture too big, lead to the puncture accident to appear, the security when having improved the puncture.
The working principle of the positioning auxiliary device for the peripheral arteriovenous puncture catheterization provided by the invention is as follows:
when the puncture indwelling tube 4 is used for puncturing the brachial artery, the puncture indwelling tube 4 is firstly installed on the positioning structure 3, when the puncture indwelling tube 4 is installed, the outer part of the puncture indwelling tube 4 is clamped in the clamping piece 39, the positioning sleeve 37 is just sleeved outside the puncture indwelling tube 4, and at the moment, under the combined action of the clamping piece 39 and the positioning sleeve 37, the puncture indwelling tube 4 can be stably installed on the positioning structure 3;
then, the medical staff starts to adjust the position of the positioning sleeve 37 according to the actual artery condition of the patient measured by the ultrasonic guidance, when adjusting, the first worm 35 can rotate by rotating the external knob 36, so as to drive the first worm wheel 34 to rotate, the rotating sleeve 33 can be driven to rotate by rotating the first worm wheel 34, so as to enable the threaded rotating shaft 32 to move in the horizontal direction, and simultaneously drive the positioning sleeve 37 to move in the horizontal direction until the positioning sleeve 37 moves to a required position, and the external knob 36 stops rotating, at this time, the positioning sleeve 37 keeps a stable state;
then, the horizontal position of the positioning structure 3 is adjusted, during adjustment, the support 2 is pulled upwards, so that the clamping piece 84 is contracted towards the inside of the movable groove 83, the outside of the clamping piece is separated from the outside of the serrated plate 82, at this time, the moving piece 81 is not clamped any more, the support 2 can be pushed, the moving piece 81 can slide in the horizontal direction in the movable groove 7 until the support 2 moves to a required position, the support 2 stops being pushed, the support 2 is not pulled upwards, at this time, the clamping piece 84 moves downwards under the elastic force of the elastic piece 86, the bottom of the clamping piece is finally clamped with the outside of the serrated plate 82, at this time, the moving piece 81 is limited and cannot move in the movable groove 7, and the support 2 and the positioning structure 3 are kept stable;
the angle of the positioning structure 3 is adjusted, during adjustment, the external adjusting rotating piece 62 is rotated, so that the second worm 61 can rotate, the second worm wheel 63 can be driven to rotate at the same time through the rotation of the second worm 61, and the rotating plate 31 is finally driven to rotate through the rotation of the second worm wheel 63, so that the whole positioning structure 3 is adjusted to a required angle;
finally, the puncturing device 4 is used to puncture the artery of the patient, the medical staff inserts the puncturing device 4 into the artery by holding the puncturing device 4, the outer part of the puncturing device is made to slide in the clamping part 39 and the positioning sleeve 37, when the outer part of the puncturing device 4 moves to the position of the positioning sleeve 37, the puncturing device cannot move continuously because of the limitation of the positioning sleeve 37, and the puncturing needle of the puncturing device 4 can just puncture the artery of the patient.
Compared with the prior art, the positioning auxiliary device for the peripheral arteriovenous puncture catheterization provided by the invention has the following beneficial effects:
(1) the positioning structure can be matched with the puncture cannula for use and used as an auxiliary positioning structure of the puncture cannula to provide assistance for medical personnel in practice, when the artery of a patient is punctured, the puncture cannula 4 is effectively positioned, the medical personnel in practice only needs to push the puncture cannula 4 to move without holding the puncture cannula 4 to move all the time, so that the direct contact area of the hand and the puncture cannula 4 is greatly reduced, even if the hand shakes, slides or is weak, the influence on the puncture cannula 4 can be minimized, the puncture cannula 4 can always move in a relatively stable state, the puncture success rate is greatly improved, and the number of errors is reduced;
(2) through the matching arrangement of the rotating sleeve 33, the first worm wheel 34, the first worm 35, the positioning sleeve 37 and the like, the distance between the positioning sleeve 37 and the puncture cannula 4 can be adaptively adjusted according to the actual situation of the artery detected by ultrasonic guidance during puncture, and the adjusted positioning sleeve 37 is used as the maximum certain distance of the puncture cannula 4 to provide an intuitive moving basis, when the puncture cannula slowly slides to the position of the positioning sleeve 37 in the clamping piece 39, the puncture cannula cannot continuously move, and the puncture needle of the puncture cannula 4 just can puncture the artery of a patient at the moment, so that the success rate of puncture is further improved, the influence of external factors is reduced, the accuracy of the puncture needle can be better mastered by practicing medical personnel, the difficulty of hands is reduced, the use requirement of practicing medical personnel is well met, the influence of the external factors is reduced, and the accuracy of the puncture needle is better mastered, the use requirements of medical personnel are met;
(3) the angle of the positioning structure 3 can be adjusted by arranging the adjusting structure 6 to be matched with the positioning structure 3 for use, the whole positioning structure 3 is adjusted to have a required angle, so that the positioning structure 3 and the puncture tube 4 can be in an inclined state, the puncture tube 4 can be smoothly punctured into the artery of a patient, the angle of the positioning structure 3 can be adaptively adjusted according to the actual use condition, the puncture tube 4 can be accurately punctured into the artery of the patient, the flexibility of the positioning structure 3 is increased, and the use is more convenient;
(4) through setting up removal structure 8, use with the cooperation of support 2 for support 2 has the position control function, and then can drive location structure 3 and remove, when using the puncture to put pipe 4, can remove it to the best puncture position apart from patient's artery, and the better operation of puncturing that carries on further increases location structure 3's flexibility, can puncture the operation to different positions, makes its application range wider.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a pipe is put with location auxiliary device to periphery arteriovenous puncture which characterized in that includes:
a bottom plate (1) and a support (2);
positioning structure (3), positioning structure (3) set up in one side of support (2), positioning structure (3) include rotor plate (31), the inside of rotor plate (31) is provided with screw thread pivot (32), the outside threaded connection of screw thread pivot (32) has rotation sleeve (33), first worm wheel (34) has been cup jointed to the outside of rotation sleeve (33), the outside meshing of first worm wheel (34) has first worm (35), the one end fixedly connected with knob (36) of first worm (35), the one end fixedly connected with locating sleeve (37) of screw thread pivot (32), one side fixedly connected with two gag lever posts (38) of locating sleeve (37), the outside of gag lever post (38) with the inside sliding connection of rotor plate (31), one side fixedly connected with clamping piece (39) of support (2), a graduated scale (310) is fixedly connected to one side of the rotating plate (31), and a puncture placing tube (4) is clamped on the clamping piece (39);
the rotary groove (5) is formed in the support (2), an adjusting structure (6) is arranged in the rotary groove (5), the adjusting structure (6) comprises a second worm (61), a moving groove (7) is formed in one side of the top of the bottom plate (1), a moving structure (8) is arranged in the moving groove (7), and the moving structure (8) comprises a moving member (81) and a serrated plate (82);
the positioning sleeve (37) provides an intuitive moving basis for the maximum moving distance of the puncture cannula (4), and the puncture cannula (4) cannot move continuously when moving to the position of the positioning sleeve (37).
2. The positioning auxiliary device for the external arteriovenous puncture catheterization of claim 1, characterized in that one end of the second worm (61) is rotatably connected with one side of the inner surface of the rotating groove (5), the other end of the second worm (61) penetrates through the inside of the support (2) and extends to one side of the outside of the support (2), and one end of the second worm (61) is fixedly connected with an adjusting rotating piece (62).
3. The positioning aid for a peripheral arteriovenous puncture cannula according to claim 1, wherein a second worm wheel (63) is engaged with the outside of the second worm (61), and one side of the second worm wheel (63) is fixedly connected with one side of the rotating plate (31).
4. The positioning assisting device for the peripheral arteriovenous puncture catheterization of claim 1, wherein a movable groove (83) is formed in the movable member (81), a clamping member (84) is slidably connected in the movable groove (83), and a sliding rod (85) is fixedly connected between two sides of the clamping member (84).
5. The positioning auxiliary device for the peripheral arteriovenous puncture catheterization of claim 4, characterized in that, the surface of the slide bar (85) is sleeved with an elastic member (86), the outside of the slide bar (85) is slidably connected with the inside of the moving member (81), and the top of the clamping member (84) is fixedly connected with the bottom of the support (2).
6. The positioning auxiliary device for the peripheral arteriovenous puncture cannula according to claim 5, wherein the bottom end of the clamping member (84) penetrates through the inside of the moving member (81) and extends to the bottom of the moving member (81), the bottom of the clamping member (84) is clamped with the outside of the serrated plate (82), and the bottom of the serrated plate (82) is fixedly connected with the bottom of the inner surface of the moving groove (7).
7. The positioning assisting device for the peripheral arteriovenous puncture catheterization of claim 6, characterized in that sliding grooves (9) are communicated with both sides of the inner surface of the moving groove (7), pulleys (87) are fixedly connected to both sides of the moving member (81), and the outer parts of the pulleys (87) are in rolling connection with the inner parts of the sliding grooves (9).
8. The positioning aid for a peripheral arteriovenous puncture cannula according to claim 1, wherein one end of the first worm (35) is rotatably connected to the inside of the rotating plate (31), and one end of the threaded shaft (32) penetrates the inside of the rotating plate (31) and extends to the outside of the rotating plate (31).
9. The positioning auxiliary device for the peripheral arteriovenous puncture catheterization of claim 1, characterized in that a placing plate (10) is fixedly connected to the top of the bottom plate (1), a protective layer (11) is arranged on one side of the placing plate (10), and a fixing band (12) is arranged on the top of the placing plate (10).
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| CN202110156534.3A CN112972834B (en) | 2021-02-04 | 2021-02-04 | Positioning auxiliary device for peripheral arteriovenous puncture catheterization |
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| CN113476025B (en) * | 2021-07-06 | 2023-07-25 | 南通大学附属医院 | Puncture needle for monitoring pressure of invasive artery |
| CN113559470A (en) * | 2021-07-22 | 2021-10-29 | 南通市第一老年病医院(上海大学附属南通医院、南通市第六人民医院、南通市肺科医院) | Breathe training appearance with detect function |
| CN114588415B (en) * | 2022-03-08 | 2023-04-25 | 郑州大学第一附属医院 | Arterial puncture auxiliary device with arm stabilizing function |
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| CN108553249A (en) * | 2018-01-04 | 2018-09-21 | 刘凤芹 | A kind of multi-functional PICC sets tubular handling device |
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| CA2884845C (en) * | 2012-09-27 | 2020-12-29 | Facet Technologies, Llc | Depth-adjust mechanism for lancing device |
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|---|---|---|---|---|
| CN108553249A (en) * | 2018-01-04 | 2018-09-21 | 刘凤芹 | A kind of multi-functional PICC sets tubular handling device |
| CN109771012A (en) * | 2019-03-11 | 2019-05-21 | 郭义军 | A kind of angiocarpy clinic study of interventional operation backup actuating device |
| CN112168299A (en) * | 2020-09-30 | 2021-01-05 | 中国人民解放军总医院第四医学中心 | PICC puts a tub supersound puncture positioner and positioning system |
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Application publication date: 20210618 Assignee: TONGLU ZHOUJI MEDICAL INSTRUMENT Co.,Ltd. Assignor: AFFILIATED HOSPITAL OF NANTONG University Contract record no.: X2024980003574 Denomination of invention: A positioning auxiliary device for peripheral arteriovenous puncture catheterization Granted publication date: 20220708 License type: Common License Record date: 20240328 |