CN111658009B - Sampling and extracting device based on endocrine hydrops application - Google Patents
Sampling and extracting device based on endocrine hydrops application Download PDFInfo
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- CN111658009B CN111658009B CN202010547768.6A CN202010547768A CN111658009B CN 111658009 B CN111658009 B CN 111658009B CN 202010547768 A CN202010547768 A CN 202010547768A CN 111658009 B CN111658009 B CN 111658009B
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- 238000005070 sampling Methods 0.000 title claims abstract description 81
- 241000521257 Hydrops Species 0.000 title claims abstract description 40
- 206010030113 Oedema Diseases 0.000 title claims abstract description 40
- 230000002124 endocrine Effects 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 208000007536 Thrombosis Diseases 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 238000007689 inspection Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 229940011871 estrogen Drugs 0.000 description 4
- 239000000262 estrogen Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- 206010014733 Endometrial cancer Diseases 0.000 description 1
- 206010014759 Endometrial neoplasm Diseases 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 208000030172 endocrine system disease Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sampling and extracting device based on endocrine hydrops application, which comprises a needle cylinder, wherein a first liquid collecting cavity is arranged in the needle cylinder, one end of the needle cylinder is provided with a connecting pipe, the connecting pipe is positioned in the first liquid collecting cavity and sleeved with an elastic arc-shaped plate, two ends of the arc-shaped plate are respectively provided with a sliding block, the inner wall of the end part of the needle cylinder is also provided with a limiting groove, when the arc-shaped plate moves towards the end part of the needle cylinder, the two sliding blocks can move towards two sides of the inner wall of the needle cylinder, the side walls of the sliding blocks are respectively provided with a first movable rod, the first movable rods are connected with the sliding blocks in a sliding manner, two sides of the inner wall of the needle cylinder are respectively provided with a first cavity, a first movable plate; still be equipped with the thief rod in the cylinder, be equipped with second liquid collecting cavity in the thief rod, second liquid collecting cavity is equipped with second piston and second piston rod, and the outer wall both sides of thief rod all are equipped with the stopper, all are equipped with spacing blind hole on the lateral wall of stopper, still are equipped with the unblock subassembly in the tip of cylinder.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a sampling and extracting device based on application of endocrine hydrops.
Background
The secretary department is one of internal medicine, mainly tests the endocrine of people in more detail after problems occur, the test result can be more clearly shown, doctors can take medicines according to the symptoms better, and the regulation of the endocrine can be realized by means of estrogen supplementation, but the risk of endometrial cancer or breast cancer can be increased if the estrogen is supplemented by mistake. Therefore, before the estrogen is supplemented, the patient must go to the hospital to check the actual estrogen level and use the correct method and the correct dosage under the guidance of the doctor. Another good method for treating endocrine dyscrasia is a traditional Chinese medicine therapy, aiming at different conditions of different endocrine patients, qi and blood are conditioned by methods of cupping, scraping therapy, massage and the like, so that the endocrine is gradually restored to be normal.
When the division of hospital's endocrinology diagnoses the patient, often can need to extract the hydrops, inspects the hydrops of extraction, inspects the reason of problems such as endocrinopathy. Traditional endocrinology extraction hydrops adopts the syringe usually, during the use, pierce the syringe needle part of syringe to patient's hydrops department, utilize the syringe to take out the hydrops of patient pathological change department, but because the syringe needle is at the in-process of puncture, partly clot enters into to the syringe needle in, make the syringe when taking the hydrops, clot in the syringe needle preferentially enters into to the syringe in, cause follow-up hydrops and the blood that enter into to the syringe to mix together, lead to follow-up still need to the separation between hydrops and the clot, the efficiency of influence inspection.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art, and the invention aims to provide the sampling and extracting device based on the application of the endocrine hydrops, so that when the hydrops in a patient body is sampled and extracted, a blood clot and the hydrops generated in the puncture process can be quickly separated and collected, the blood clot and the hydrops are prevented from being mixed together, the step of separating the hydrops from the blood clot is omitted, and the inspection efficiency is improved.
The invention is realized by the following technical scheme:
a sampling and extracting device based on endocrine hydrops application comprises a needle cylinder, wherein a first liquid collecting cavity is arranged in the needle cylinder, one end of the needle cylinder is provided with a connecting pipe, one end of the connecting pipe penetrates through the needle cylinder and is connected with the first liquid collecting cavity, the other end of the connecting pipe is provided with a drainage pipe, the tail end of the drainage pipe is provided with a puncture needle, a first piston and a first piston rod which are matched with the needle cylinder are arranged in the first liquid collecting cavity of the needle cylinder, the first piston rod is connected with the first piston, an elastic arc-shaped plate is sleeved on the connecting pipe, the arc-shaped plate can move along the axial direction of the connecting pipe, two ends of the arc-shaped plate are provided with sliding blocks, the inner wall of the end part of the needle cylinder, which is close to the puncture needle, is also provided with a limiting groove, when the arc-shaped plate moves towards the, the side wall of the sliding block is provided with a first movable rod, the first movable rod is connected with the sliding block in a sliding manner, a first cavity is arranged in each of two sides of the inner wall of the needle cylinder, the first movable rod is inserted into the first cavity, a first movable plate and a second movable rod are further arranged in the first cavity, the second movable rod penetrates into the first liquid collecting cavity, and when the first movable rod moves towards the first movable plate, the first movable plate can push the second movable rod to move towards the axis direction of the needle cylinder; the needle cylinder is internally provided with a sampling rod which can be communicated with the connecting pipe, the sampling rod sequentially penetrates through the first piston and the first piston rod, the sampling rod can move in the first piston along the axial direction of the needle cylinder, the sampling rod is internally provided with a second liquid collecting cavity, the second liquid collecting cavity is internally provided with a second piston and a second piston rod, two sides of the outer wall of the sampling rod are respectively provided with a limiting block, the limiting blocks are connected with the sampling rod in a sliding manner, the side wall of each limiting block is provided with a limiting blind hole, and the second movable rod can be inserted into the limiting blind holes; the needle cylinder is provided with a limiting groove, the end part of the needle cylinder close to the puncture needle is internally provided with an unlocking assembly, and when the arc-shaped plate deforms towards the end part of the needle cylinder close to the puncture needle, the sliding block can be moved out of the limiting groove by the unlocking assembly.
Aiming at the problems that when a traditional syringe is used for extracting effusion in a patient body, a puncture needle on the syringe can generate a certain blood clot when being punctured into the effusion of the patient, so that the blood clot firstly enters a needle cylinder when the effusion is extracted by the syringe, the subsequent effusion entering the needle cylinder can be mixed with the blood clot, in order to improve the accuracy of the effusion detection, after the effusion is extracted, the blood clot in the effusion needs to be separated, so that the detection efficiency is reduced, therefore, the technical scheme is also provided with a sampling rod in the needle cylinder, a second liquid collecting cavity in the sampling rod is used for storing the effusion to be detected, a first liquid collecting cavity in the needle cylinder is used for storing the effusion extracted at the first time of sampling, so that the blood clot extracted initially entering the first liquid collecting cavity can be separated from the effusion in the sampling rod, and the effusion extracted later can be separated from the effusion extracted in the front, the hydrops that store like this in the thief rod is because not mixed together with the clot for the thief rod endoprosthesis liquid alright in order directly to be used for the inspection, need not to carry out the step of hydrops and clot separation, and then has improved the efficiency of inspection.
When the sampling device is used, the first piston rod and the second piston rod are respectively pushed, most of gas in the first liquid collecting cavity and the second liquid collecting cavity is discharged, the connecting pipe is ensured not to be inserted into the sampling rod, the puncture needle is inserted into a lesion part of a patient, the first piston rod is pulled, effusion of the patient is pumped into the needle cylinder through the connecting pipe under the action of the first piston, in the process, blood clots generated during puncture of the puncture needle enter the first liquid collecting cavity of the needle cylinder along with the effusion, the mixture of the effusion and the blood clots is stored in the first liquid collecting cavity, when no blood clot impurities appear in the effusion entering the first liquid collecting cavity, the sampling rod is pushed, the sampling rod moves towards the direction of the connecting pipe and extends into the second liquid collecting cavity of the sampling pipe, and the end part of the sampling rod can be forced to press the arc-shaped plate along with the gradual movement of the sampling rod on the connecting pipe, because the arc-shaped plate is made of spring steel and has certain elasticity, when the sampling rod presses the arc-shaped plate, the arc-shaped plate is bent and deformed towards the end part of the needle cylinder, so that the sliding blocks on the two ends of the arc-shaped plate can move towards the two sides of the inner wall of the first liquid collecting cavity, the sliding blocks push the first movable rod to move towards the direction far away from the axis of the needle cylinder in the moving process, the first movable rod is forced to push the first movable plate to rotate, the first movable plate pushes the second movable rod to move towards the axis of the needle cylinder in the rotating process, finally, the second movable rod is inserted into the limiting blind hole of the limiting block, when the sliding blocks move to the limiting groove on the end part of the needle cylinder, the arc-shaped plate can be limited to restore and deform under the action of the limiting groove when external force applied to the sampling rod is removed, at the moment, the sampling rod and the connecting pipe are fixed together, and the situation, then the second piston rod is pulled, the effusion of the patient enters the sampling rod through the connecting pipe, the effusion without the blood clot is stored in the second liquid collecting cavity, and the effusion stored in the second liquid collecting cavity is utilized for inspection, so that the situation that the effusion and the blood clot are mixed together during inspection is effectively avoided, and the inspection efficiency is improved; when the extraction of completion hydrops, take off first piston rod and piston, will store blood clot, hydrops mixture clearance in first album of liquid intracavity, then at the promotion thief rod, force the thief rod to promote the arc again and take place deformation, trigger the unblock subassembly, separate thief rod and connecting pipe fast to take out the thief rod from the cylinder fast, inspect.
Further, be equipped with first shutoff board and second shutoff board in the connecting pipe, the second shutoff board is close to and is located the terminal surface of first album of liquid intracavity in the connecting pipe, be equipped with first drainage hole on the first shutoff board, be equipped with the second drainage hole on the second shutoff board, still be equipped with the fourth elastic component that the diameter is greater than first drainage hole diameter between first shutoff board and the second shutoff board to be equipped with the shutoff piece that the diameter is greater than first drainage hole diameter on the end of fourth elastic component orientation first shutoff board direction.
In order to ensure that the accumulated liquid is forced to flow back to the body of a patient under the action of the sampling rod when the sampling rod is butted with the connecting pipe, a structure similar to a one-way valve is arranged in the connecting pipe, so that the accumulated liquid can only flow into the needle cylinder and cannot flow back from the interior of the needle cylinder to the interior of the connecting pipe; when being connected with the connecting pipe to the thief rod, promote the thief rod, make the thief rod remove towards the connecting pipe direction, the negative pressure that produces when the thief rod removes forces the fourth elastic component to carry out quick shutoff to first drainage hole again, thereby avoided the thief rod when removing, the condition of hydrops backward flow takes place, because first piston can remove in the cylinder, thereby guaranteed that the connecting pipe is in under the circumstances of encapsulated situation, the thief rod also can remove in the cylinder smoothly, realize the butt joint between connecting pipe and the thief rod.
Furthermore, a first elastic piece is also arranged on the first movable rod, and the first elastic piece is sleeved on the first movable rod and is positioned in a first liquid collecting cavity of the needle cylinder; and a second elastic piece is also arranged on the second movable rod, and the second elastic piece is sleeved on the second movable rod and is positioned in the first cavity.
In order to guarantee can the quickly separating at connecting pipe and thief rod, the event has set up first elastic component and second elastic component, because the connecting pipe is in when the intercommunication state with the thief rod, first elastic component and second elastic component all are in by compression state, the event is when utilizing the unblock subassembly to unblock, under the effect of first elastic component and second elastic component, can promote first movable rod and second movable rod respectively and reply initial condition fast, improve the separation efficiency between connecting pipe and thief rod.
Further, still be equipped with first rotation pole in the first cavity, the both ends of first rotation pole are connected with the inner wall both sides of first cavity respectively to first rotation pole runs through in first fly leaf, first fly leaf can rotate round the axis direction of first rotation pole.
The first portable board can be guaranteed to rotate smoothly at first cavity in the first rotation of setting to promote the removal of second movable rod, realize fixed and the separation between sample rod and the connecting pipe.
Furthermore, the second movable rod is located the end in first album of liquid intracavity and still is equipped with the connecting hole, is equipped with fifth elastic component in the connecting hole, fifth elastic component one end is connected with the connecting hole inner bottom, is equipped with the locating lever on the other end, the locating lever stretches out outside the connecting hole to still be equipped with the inclined plane on the lateral wall of locating lever, the inclined plane is connected with the bottom of locating lever.
Because the second movable rod gradually moves towards the axis direction of the needle cylinder when the sampling rod moves on the connecting pipe, in order to ensure that the second movable rod can be smoothly inserted into the connecting hole of the limiting block, the second movable rod is provided with a positioning rod and a fifth elastic piece, and the positioning rod is also provided with an inclined surface, when the limiting block moves to the position of the second movable rod, the positioning rod on the second movable rod is contacted with the limiting block, under the action of the inclined plane, the limiting rod can be forced to retract into the connecting hole of the second movable rod, when the limiting blind hole on the limiting block moves to the position of the second movable rod, under the action of the fifth elastic piece, the limiting rod can be quickly inserted into the limiting blind hole of the limiting block, thereby realize being connected of second movable rod and stopper, guarantee follow-up under the effect of first fly leaf, the second movable rod also can insert smoothly to the spacing blind hole of stopper.
Further, the circumference outer wall both sides of sample arm all are equipped with the recess, and the recess distributes along the axial direction of sample arm, still be equipped with the horizontal pole in the recess, the stopper is located the recess to the horizontal pole runs through on the stopper, and the stopper can remove along the axial direction of sample arm on the horizontal pole, still be equipped with the third elastic component on the horizontal pole, the third elastic component can promote the stopper and be close to in the terminal direction that the sample arm is located first album of liquid intracavity.
The sampling rod can move for a certain distance on the connecting pipe when the connecting pipe is connected with the sampling rod, and a certain deformation amount of the arc-shaped plate is ensured, so that the sliding block on the arc-shaped plate can move into the limiting groove, and the sliding block is prevented from moving backwards; simultaneously, when the gag lever post in order to guarantee on the second movable rod contacts with the stopper, the gag lever post promotes the stopper and moves on the horizontal pole to make the gag lever post normally retract in the second movable rod, the event has set up the third elastic component, utilizes the elasticity that the third elastic component produced to avoid the gag lever post to promote the removal of stopper on the horizontal pole.
Further, still be equipped with two second cavities in the cylinder tip, the second cavity is located the both sides of connecting pipe respectively, the unblock subassembly includes second fly leaf, third movable rod, fourth movable rod and second dwang, the both ends of second dwang and the inner wall connection of second cavity to the second dwang runs through in the second fly leaf, and the second fly leaf can rotate round the axis of second dwang, third movable rod one end is located the second cavity, and the other end is located the first album of liquid intracavity of cylinder, and fourth movable rod one end is located the second cavity, and the other end is located the spacing inslot.
The arranged unlocking component is used for moving out the limiting groove of the slide block groove, thereby ensuring that the slide block can be restored to the initial position, particularly, when the unlocking is needed, the sampling rod is pushed to continue to move towards the direction of the connecting pipe, when the sampling rod moves, the end surface of the limiting block continuously forces the arc-shaped plate to deform, when the arc-shaped plate deforms, the fourth movable rod is pushed to retract into the second cavity to force the second movable plate to rotate, when the second movable plate rotates, the third movable rod is pushed to extend out of the limiting groove, so that the sliding block in the limiting groove is pushed outwards, when the limiting block moves out of the limiting groove, under the combined action of the first elastic piece, the second elastic piece and the elasticity of the arc-shaped plate, the sliding block is forced to move back, and in the process of moving back, the second movable rod is forced to move out of the limiting block, so that the sampling rod can be quickly removed from the connecting pipe.
Further, still be equipped with the spout on the slider, still be equipped with the connecting block that matches with the spout on the first movable rod, the connecting block is located the spout to the connecting block can remove in the spout.
Because the slider removes when the spacing groove, its position in the radial direction of cylinder has taken place the change, and in order to avoid the slider to drop from the cylinder tip, the event needs to be connected first movable rod and slider, but first movable rod is unchangeable all the time at the radial ascending position of cylinder, consequently, the spout has been set up on the slider, and utilize connecting block and spout sliding connection on the first movable rod, thereby make the drop of first movable rod enough restriction slider, can guarantee again simultaneously can relative movement between slider and the first movable rod, and then guarantee that the slider can slide into to the spacing inslot smoothly, restriction slider's the back movement.
Further, the connecting pipe is connected with the needle cylinder through threads; and a rubber ring matched with the connecting pipe is also arranged in the sampling rod.
Because the connecting pipe is similar to a one-way valve structure, the gas in the needle cylinder cannot be discharged through the connecting pipe, but the connecting pipe is connected with the needle cylinder through threads in order to discharge the gas in the needle cylinder when in use, so that the connecting pipe is convenient to rapidly assemble and disassemble; the rubber circle that sets up avoids the leakage of sampling liquid in order to improve the leakproofness between connecting pipe and the thief rod.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. when the sampling and extracting device based on the application of the endocrine hydrops is used for sampling and detecting the hydrops in the body of a patient, firstly, the arranged first piston rod is used for pumping the hydrops mixed with blood clots into the first liquid collecting cavity of the needle cylinder, when the blood clots are not accompanied in the collected liquid to be observed, the sampling rod is pushed to enable the sampling rod to be quickly communicated with the connecting pipe, then, the second piston rod is used for continuously pumping the hydrops into the second liquid collecting cavity of the sampling rod, so that the hydrops stored in the second liquid collecting cavity is used for detection, the situation that blood and the hydrops to be detected are mixed together is avoided, and the detection efficiency is improved;
2. according to the sampling and extracting device based on the application of the endocrine hydrops, when the sampling rod is butted with the connecting pipe, the sampling rod can force the arc-shaped plate to deform, so that the sliding blocks at two ends of the arc-shaped plate push the first movable rod to move towards the inner wall direction of the needle cylinder, the second movable rod extends out of the first liquid collecting cavity and is finally connected with the limiting block on the sampling rod, the sampling rod is quickly connected with the connecting pipe, the stable connection between the connecting rod and the sampling rod can be ensured, and the connecting pipe and the sampling rod are prevented from falling off automatically;
3. according to the sampling and extracting device based on the endocrine hydrops application, when unlocking is needed, the sampling rod is used for continuously moving on the connecting pipe, the arc-shaped piece is pushed to continuously deform, the fourth movable rod is forced to retract into the second cavity to drive the second movable plate to rotate, the third movable rod is driven to extend out of the limiting groove when the second movable plate rotates, and therefore the limiting groove at the sliding block is ejected out, the arc-shaped plate is quickly restored to the initial form, the second movable rod can extend out of the limiting block, and the sampling rod is quickly separated from the connecting pipe.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of another embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the sampling rod connected to the connecting tube according to the present invention;
FIG. 4 is an enlarged view of part A of the present invention;
FIG. 5 is an enlarged view of the part B of the present invention;
FIG. 6 is an enlarged view of the structure of the part C of the present invention;
FIG. 7 is a schematic view of the inside of the connecting tube according to the present invention;
FIG. 8 is a schematic structural view of a second movable bar according to the present invention;
FIG. 9 is a schematic view of a first movable bar according to the present invention;
FIG. 10 is a schematic view of the slider structure of the present invention.
Reference numbers and corresponding part names in the drawings:
1-puncture needle, 2-drainage tube, 4-second piston, 5-second piston rod, 6-syringe, 7-sampling rod, 8-first piston, 9-first piston rod, 10-connecting tube, 11-first movable plate, 12-spacing groove, 13-first movable rod, 14-first elastic component, 15-first movable plate, 16-second elastic component, 17-second movable rod, 18-first cavity, 19-second cavity, 20-sliding block, 21-arc plate, 23-spacing block, 24-rubber ring, 25-third movable rod, 26-fourth movable rod, 27-third elastic component, 33-first blocking plate, 34-first drainage hole, 35-fourth elastic component, 36-blocking piece, 37-a second liquid discharge hole, 38-a second blocking plate, 39-a sliding groove, 40-a fifth elastic element, 41-a positioning rod and 42-an inclined plane.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 to 10, the sampling and extracting device based on endocrine hydrops application of the present invention comprises a needle cylinder 6, a first liquid collecting chamber is arranged in the needle cylinder 6, one end of the needle cylinder 6 is provided with a connecting tube 10, one end of the connecting tube 10 penetrates through the needle cylinder 6 and is connected with the first liquid collecting chamber, the other end is provided with a drainage tube 2, the end of the drainage tube 2 is provided with a puncture needle 1, a first piston 8 and a first piston rod 9 which are matched with the needle cylinder 6 are arranged in the first liquid collecting chamber of the needle cylinder 6, the first piston rod 9 is connected with the first piston 8, the connecting tube 10 is positioned in the first liquid collecting chamber and sleeved with an elastic arc-shaped plate 21, the arc-shaped plate 21 can move along the axial direction of the connecting tube 10, both ends of the arc-shaped plate 21 are provided with sliders 20, the inner wall of the end portion of the needle cylinder 6 close to the puncture needle 1 is further provided, the two sliding blocks 20 can move towards two sides of the inner wall of the needle cylinder 6, the sliding blocks 20 can move into the limiting grooves 12, first movable rods 13 are arranged on the side walls of the sliding blocks 20, the first movable rods 13 are connected with the sliding blocks 20 in a sliding mode, first cavities 18 are arranged in two sides of the inner wall of the needle cylinder 6, the first movable rods 13 are inserted in the first cavities 18, a first movable plate 15 and a second movable rod 17 are further arranged in the first cavities 18, the second movable rod 17 penetrates into the first liquid collecting cavity, and when the first movable rods 13 move towards the first movable plate 15, the first movable plate 15 can push the second movable rods 17 to move towards the axis direction of the needle cylinder 6; a sampling rod 7 is further arranged in the needle cylinder 6, the sampling rod 7 can be communicated with a connecting pipe 10, the sampling rod 7 sequentially penetrates through a first piston 8 and a first piston rod 9, the sampling rod 7 can move in the first piston 8 along the axial direction of the needle cylinder 6, a second liquid collecting cavity is arranged in the sampling rod 7, a second piston 4 and a second piston rod 5 are arranged in the second liquid collecting cavity, limiting blocks 23 are arranged on two sides of the outer wall of the sampling rod 7, the limiting blocks 23 are connected with the sampling rod 7 in a sliding mode, limiting blind holes are formed in the side walls of the limiting blocks 23, and a second movable rod 17 can be inserted into the limiting blind holes; an unlocking assembly is further arranged in the end part of the needle cylinder 6 close to the puncture needle 1, and when the arc-shaped plate 21 deforms towards the end part of the needle cylinder 6 close to the puncture needle 1, the sliding block 20 can be moved out of the limiting groove 12 by the unlocking assembly.
Example 2
On the basis of embodiment 1, be equipped with first shutoff board 33 and second shutoff board 38 in the connecting pipe 10, second shutoff board 38 is close to the terminal surface that is located first album of fluid intracavity in connecting pipe 10, be equipped with first drainage hole 34 on the first shutoff board 33, be equipped with second drainage hole 37 on the second shutoff board 38, still be equipped with the fourth elastic component 35 that the diameter is greater than first drainage hole 34 diameter between first shutoff board 33 and the second shutoff board 38 to be equipped with the shutoff piece 36 that the diameter is greater than first drainage hole 34 diameter on the end of fourth elastic component 35 towards first shutoff board 33 direction.
Example 3
On the basis of embodiment 1, the first movable rod 13 is further provided with a first elastic element 14, and the first elastic element 14 is sleeved on the first movable rod 13 and is located in the first liquid collecting cavity of the needle cylinder 6; the second movable rod 17 is further provided with a second elastic element 16, and the second elastic element 16 is sleeved on the second movable rod 17 and is located in the first cavity 18.
Example 4
On the basis of embodiment 1, a first rotating rod is further disposed in the first cavity 18, two ends of the first rotating rod are respectively connected to two sides of the inner wall of the first cavity 18, the first rotating rod penetrates through the first movable plate 15, and the first movable plate 15 can rotate around the axis direction of the first rotating rod.
Example 5
On the basis of embodiment 1, a connecting hole is further formed in the tail end, located in the first liquid collecting cavity, of the second movable rod 17, a fifth elastic piece 40 is arranged in the connecting hole, one end of the fifth elastic piece 40 is connected with the inner bottom of the blind hole, a positioning rod 41 is arranged at the other end of the fifth elastic piece, the positioning rod 41 extends out of the connecting hole, an inclined surface 42 is further arranged on the side wall of the positioning rod 41, and the inclined surface 42 is connected with the bottom of the positioning rod 41.
Example 6
On embodiment 1's basis, the circumference outer wall both sides of thief rod 7 all are equipped with the recess, and the recess distributes along the axial direction of thief rod 7, still be equipped with the horizontal pole in the recess, stopper 23 is located the recess to the horizontal pole runs through on stopper 23, and stopper 23 can remove along the axial direction of thief rod 7 on the horizontal pole, still be equipped with third elastic component 27 on the horizontal pole, third elastic component 27 can promote stopper 23 and be close to in the terminal direction that thief rod 7 is located first album of liquid intracavity.
Example 7
On embodiment 1's basis, still be equipped with two second cavities 19 in the 6 tip of cylinder, second cavity 19 is located the both sides of connecting pipe 10 respectively, the unblock subassembly includes second fly leaf 11, third movable rod 25, fourth movable rod 26 and second dwang, the both ends and the interior wall connection of second cavity 19 of second dwang to the second dwang runs through in second fly leaf 11, and second fly leaf 11 can rotate round the axis of second dwang, third movable rod 25 one end is located second cavity 19, and the other end is located the first album of liquid intracavity of cylinder 6, and fourth movable rod 26 one end is located second cavity 19, and the other end is located spacing groove 12.
Example 8
In addition to embodiment 1, the sliding block 20 is further provided with a sliding groove 39, the first movable rod 13 is further provided with a connecting block 30 matched with the sliding groove, the connecting block 30 is located in the sliding groove 39, and the connecting block 30 can move in the sliding groove 39.
Example 9
On the basis of the embodiment 1, the connecting tube 10 is connected with the needle cylinder 6 through threads; and a rubber ring matched with the connecting pipe is also arranged in the sampling rod.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A sampling and extracting device based on endocrine hydrops application comprises a needle cylinder (6), wherein a first liquid collecting cavity is arranged in the needle cylinder (6), a connecting pipe (10) is arranged at one end of the needle cylinder (6), one end of the connecting pipe (10) penetrates through the needle cylinder (6) to be connected with the first liquid collecting cavity, a drainage pipe (2) is arranged at the other end of the connecting pipe, a puncture needle (1) is arranged at the tail end of the drainage pipe (2), a first piston (8) and a first piston rod (9) which are matched with the needle cylinder (6) are arranged in the first liquid collecting cavity of the needle cylinder (6), the first piston rod (9) is connected with the first piston (8), the sampling and extracting device is characterized in that an elastic arc-shaped plate (21) is sleeved on the first liquid collecting cavity of the connecting pipe (10), the arc-shaped plate (21) can move along the axial direction of the connecting pipe (10), and sliding blocks (, the inner wall of the end part of the needle cylinder (6) close to the puncture needle (1) is further provided with a limiting groove (12), when the arc-shaped plate (21) moves towards the end part of the needle cylinder (6) close to the puncture needle (1), the two sliding blocks (20) can move towards the two sides of the inner wall of the needle cylinder (6), the sliding blocks (20) can move into the limiting groove (12), the side walls of the sliding blocks (20) are respectively provided with a first movable rod (13), the first movable rod (13) is in sliding connection with the sliding blocks (20), the two sides of the inner wall of the needle cylinder (6) are respectively provided with a first cavity (18), the first movable rod (13) is inserted into the first cavity (18), the first cavity (18) is further internally provided with a first movable plate (15) and a second movable rod (17), the second movable rod (17) penetrates into the first liquid collecting cavity, when the first movable rod (13) moves towards the first movable plate (15), the first movable plate (15) can push the second movable rod (17) to move towards the axis direction of the needle cylinder (6);
the needle cylinder (6) is internally provided with a sampling rod (7), the sampling rod (7) can be communicated with a connecting pipe (10), the sampling rod (7) sequentially penetrates through a first piston (8) and a first piston rod (9), the sampling rod (7) can move in the first piston (8) along the axial direction of the needle cylinder (6), a second liquid collecting cavity is formed in the sampling rod (7), a second piston (4) and a second piston rod (5) are arranged in the second liquid collecting cavity, limiting blocks (23) are arranged on two sides of the outer wall of the sampling rod (7), the limiting blocks (23) are connected with the sampling rod (7) in a sliding mode, limiting blind holes are formed in the side walls of the limiting blocks (23), and a second movable rod (17) can be inserted into the limiting blind holes;
the needle cylinder (6) is provided with an unlocking assembly in the end part close to the puncture needle (1), and when the arc-shaped plate (21) deforms towards the end part of the needle cylinder (6) close to the puncture needle (1), the sliding block (20) can be moved out of the limiting groove (12) by the unlocking assembly.
2. A sampling draw-off device based on endocrine hydrops application according to claim 1, characterized in that, be equipped with first shutoff board (33) and second shutoff board (38) in connecting pipe (10), second shutoff board (38) are close to the terminal surface that connecting pipe (10) is located first collecting chamber, be equipped with first drainage hole (34) on first shutoff board (33), be equipped with second drainage hole (37) on second shutoff board (38), still be equipped with the fourth elastic component (35) that the diameter is greater than first drainage hole (34) diameter between first shutoff board (33) and second shutoff board (38) to be equipped with the shutoff piece (36) that the diameter is greater than first drainage hole (34) diameter on the end of fourth elastic component (35) towards first shutoff board (33) direction.
3. A sampling and drawing device based on endocrine hydrops application according to claim 1, wherein the first movable rod (13) is further provided with a first elastic member (14), and the first elastic member (14) is sleeved on the first movable rod (13) and is located in the first liquid collecting cavity of the syringe (6);
the second movable rod (17) is also provided with a second elastic piece (16), and the second elastic piece (16) is sleeved on the second movable rod (17) and is positioned in the first cavity (18).
4. The endocrine hydrops application-based sampling and drawing device according to claim 1, wherein a first rotating rod is further disposed in the first cavity (18), two ends of the first rotating rod are respectively connected to two sides of the inner wall of the first cavity (18), the first rotating rod penetrates through the first movable plate (15), and the first movable plate (15) can rotate around the axis of the first rotating rod.
5. The endocrine hydrops application-based sampling and extracting device according to claim 1, wherein a connecting hole is further formed in the end, located in the first liquid collecting cavity, of the second movable rod (17), a fifth elastic piece (40) is arranged in the connecting hole, one end of the fifth elastic piece (40) is connected with the inner bottom of the connecting hole, a positioning rod (41) is arranged on the other end of the fifth elastic piece, the positioning rod (41) extends out of the connecting hole, an inclined surface (42) is further arranged on the side wall of the positioning rod (41), and the inclined surface (42) is connected with the bottom of the positioning rod (41).
6. A sampling draw-out device based on endocrine hydrops is used according to claim 1, characterized in that, the circumference outer wall both sides of thief rod (7) all are equipped with the recess, and the recess distributes along the axial direction of thief rod (7), still be equipped with the horizontal pole in the recess, stopper (23) are located the recess to the horizontal pole runs through on stopper (23), stopper (23) can be on the horizontal pole along the axial direction removal of thief rod (7), still be equipped with third elastic component (27) on the horizontal pole, third elastic component (27) can promote stopper (23) to be close to the terminal direction that thief rod (7) are located first album of liquid intracavity.
7. A sampling device according to claim 1, it is characterized in that two second cavities (19) are also arranged in the end part of the needle cylinder (6), the second cavity (19) is respectively positioned at two sides of the connecting pipe (10), the unlocking assembly comprises a second movable plate (11), a third movable rod (25), a fourth movable rod (26) and a second rotating rod, two ends of the second rotating rod are connected with the inner wall of the second cavity (19), and the second rotating rod penetrates through the second movable plate (11), the second movable plate (11) can rotate around the axis of the second rotating rod, one end of the third movable rod (25) is positioned in the second cavity (19), the other end of the third movable rod is positioned in the first liquid collecting cavity of the needle cylinder (6), one end of the fourth movable rod (26) is positioned in the second cavity (19), and the other end of the fourth movable rod is positioned in the limiting groove (12).
8. A sampling and drawing device based on endocrine hydrops application according to claim 1, wherein the slide block (20) is further provided with a sliding groove (39), the first movable rod (13) is further provided with a connecting block (30) matched with the sliding groove, the connecting block (30) is positioned in the sliding groove (39), and the connecting block (30) can move in the sliding groove (39).
9. A sampling draw-off device based on endocrine hydrops application according to claim 1, characterized in that the connecting tube (10) is connected with the needle cylinder (6) by screw thread;
and a rubber ring (24) matched with the connecting pipe (10) is also arranged in the sampling rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010547768.6A CN111658009B (en) | 2020-06-16 | 2020-06-16 | Sampling and extracting device based on endocrine hydrops application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010547768.6A CN111658009B (en) | 2020-06-16 | 2020-06-16 | Sampling and extracting device based on endocrine hydrops application |
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| CN111658009A CN111658009A (en) | 2020-09-15 |
| CN111658009B true CN111658009B (en) | 2020-12-25 |
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| CN202010547768.6A Expired - Fee Related CN111658009B (en) | 2020-06-16 | 2020-06-16 | Sampling and extracting device based on endocrine hydrops application |
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| CN111658009A (en) | 2020-09-15 |
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