CN116898488A - Clinical sampling and inspection equipment - Google Patents
Clinical sampling and inspection equipment Download PDFInfo
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- CN116898488A CN116898488A CN202310879479.XA CN202310879479A CN116898488A CN 116898488 A CN116898488 A CN 116898488A CN 202310879479 A CN202310879479 A CN 202310879479A CN 116898488 A CN116898488 A CN 116898488A
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- 238000005070 sampling Methods 0.000 title claims abstract description 110
- 238000007689 inspection Methods 0.000 title claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 210000003811 finger Anatomy 0.000 description 20
- 230000009471 action Effects 0.000 description 13
- 238000005381 potential energy Methods 0.000 description 9
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 208000014674 injury Diseases 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 208000026106 cerebrovascular disease Diseases 0.000 description 2
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- 206010012289 Dementia Diseases 0.000 description 1
- 208000034826 Genetic Predisposition to Disease Diseases 0.000 description 1
- 201000009906 Meningitis Diseases 0.000 description 1
- 208000019695 Migraine disease Diseases 0.000 description 1
- 208000003926 Myelitis Diseases 0.000 description 1
- 208000008765 Sciatica Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000025698 brain inflammatory disease Diseases 0.000 description 1
- 206010008118 cerebral infarction Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010014599 encephalitis Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 206010015037 epilepsy Diseases 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000030159 metabolic disease Diseases 0.000 description 1
- 206010027599 migraine Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 206010028417 myasthenia gravis Diseases 0.000 description 1
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- 206010044652 trigeminal neuralgia Diseases 0.000 description 1
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Classifications
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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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
- A61B2010/0077—Cerebrospinal fluid
Abstract
The invention discloses a clinical sampling and inspecting device, which relates to the technical field of medical appliances and comprises a needle cylinder box, wherein a sampling needle cylinder is arranged in the needle cylinder box, a piston plate is connected to the inner wall of the sampling needle cylinder in a sliding way, a movable rod is fixedly connected to the surface of the piston plate, a movable disc is arranged at the end part of the movable rod, which is far away from the sampling needle cylinder, a needle head is fixedly communicated with the end part of the sampling needle cylinder, a circular notch for the sampling needle cylinder to extend out is formed in the surface of the needle cylinder box, and a movable part for moving the sampling needle cylinder is arranged in the needle cylinder box.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a clinical sampling and inspection device.
Background
Neurology is a secondary discipline with respect to the nerve. Not belonging to the medical concept. Mainly treating cerebrovascular diseases (cerebral infarction and cerebral hemorrhage), migraine, brain inflammatory diseases (encephalitis and meningitis), myelitis, epilepsy, dementia, metabolic diseases and genetic predisposition diseases, trigeminal neuralgia, sciatica, peripheral neuropathy, myasthenia gravis, etc.
At present, medical staff uses the syringe of prior art to sample the treatment of neural internal medicine patient cerebrospinal fluid sample, and the needle depth of inserting of this kind of sample can only be judged through medical staff's work experience, and then has increased medical staff's work degree of difficulty, has reduced the sample's sampling effect, in view of above defect, really needs to design the clinical sampling and delivering inspection device of department of neurochemistry.
As disclosed in chinese patent No. CN202110239789.6, the device for clinical sampling and delivering and examining in the department of neurology comprises a sleeve, a pushing and pulling mechanism, a puncture needle, a moving mechanism, a measuring mechanism, a plugging mechanism, a finger ring, a connecting plate, a mounting block and a pressing groove.
However, the above cited documents have the following problems when used:
1. the scale is arranged in the same direction of the moving path of the moving mechanism, when the moving mechanism moves, the visual field of a certain scale can be blocked, and the medical staff cannot accurately observe the numerical value of the scale.
2. After the puncture needle is penetrated into the puncture part of a patient, the resistance born by the puncture needle moved by medical staff is not changed along with the penetration of the puncture needle, so that the medical staff can judge the penetration of the puncture needle only according to the numerical value displayed on the graduated scale, the puncture needle cannot be judged according to the touch sense, the medical staff with lower experience can possibly have deeper puncture sampling depth of the patient due to the fact that the puncture depth cannot be grasped, and unnecessary secondary injury is easily caused to the patient during sampling.
Disclosure of Invention
The invention aims to provide a clinical sampling and inspection device, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a clinical sampling and inspection equipment, includes the cylinder box, the inside of cylinder box is provided with the sample cylinder, the inner wall sliding connection of sample cylinder has the piston board, the fixed surface connection of piston board has the movable rod, the movable rod is kept away from the tip of sample cylinder is provided with the travelling tray, the tip of sample cylinder is fixed to be linked together has the syringe needle, the circular notch that supplies the sample cylinder to stretch out is seted up on the surface of cylinder box;
the inside of the needle cylinder box is provided with a moving part for moving the sampling needle cylinder and an auxiliary part capable of clearly displaying the displacement distance of the sampling needle cylinder.
Optionally, the moving part includes the dead axle rotation and connects the bull stick of syringe box inner wall, the fixed surface of bull stick is connected with the gear, the lower fixed surface of sample cylinder be connected with rack row one that the gear engaged with, the standing groove has been seted up to the inner wall of syringe box, the inner wall sliding connection of standing groove has the movable plate, finger standing groove one has been seted up on the surface of movable plate, the fixed surface of movable plate be connected with rack row two that the gear engaged with, rack row two with the inner wall of syringe box sliding connection mutually.
Optionally, the moving part further comprises a fixed plate fixedly connected with the inner wall of the placing groove, a plurality of finger placing grooves II are formed in the surface of the fixed plate, a first spring is arranged between the fixed plate and the moving plate, and a first telescopic rod is also arranged between the fixed plate and the moving plate.
Optionally, two symmetrically arranged sliding blocks are fixedly connected to the side face of the moving plate, and sliding grooves which are used for the sliding blocks to extend out and slide are formed in the inner wall of the placing groove.
Optionally, the auxiliary component comprises a fixed block fixedly connected to the surface of the sampling needle cylinder, the upper surface of the fixed block is fixedly connected with two symmetrically arranged hinge blocks I, and a hinge plate is hinged between the two hinge blocks I;
the upper surface fixedly connected with scale of needle cylinder box, the surface of scale is provided with a plurality of scale marks, the surface sliding connection of scale has movable block one, the fixed surface of movable block one is connected with two articulated blocks two that symmetry set up, movable block one through two articulated block two with articulated slab articulates mutually, the upper surface of needle cylinder box has been seted up and has supplied the articulated slab stretches out and gliding notch.
Optionally, the fixed surface of movable block one is connected with the connecting block, the lower surface fixedly connected with telescopic link two of connecting block, the tip fixedly connected with butt piece of telescopic link two, the butt piece with be provided with spring two jointly between the connecting block the surface of butt piece is provided with the rubber cushion layer, the lower surface of butt piece with the surface butt of sample cylinder.
Optionally, two abutting blocks are provided, and the two abutting blocks are symmetrically distributed with the axis of the sampling needle cylinder.
Optionally, the surface fixed connection of sample cylinder has two movable blocks second that symmetry set up, the inner wall of cylinder box is offered and is supplied the rectangle notch that the movable block second stretches out and slides.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the right side of the needle cylinder box can be attached to the puncture sampling position of a patient by holding the fixed plate by one hand and then placing the index finger on the movable plate, and compared with the traditional mode of holding the sampling needle cylinder, the hand-held mode avoids slipping of medical staff when holding the sampling needle cylinder, and improves the stability of the sampling needle cylinder when sampling operation is carried out.
2. According to the invention, by pushing the moving plate, under the matched use of the first rack row, the gear and the second rack row, the needle head can be inserted into a deeper position in a patient body to perform sampling operation, meanwhile, under the action of the hinge plate, the moving block is driven to move downwards by the movement of the needle head, the more the distance of the right movement of the sampling needle cylinder is, the more the distance of the right movement of the moving block is, and at the moment, the scale marks on the scale of the first moving block can be leaked out through observation, so that the insertion depth of the needle head can be accurately grasped according to different conditions of different patients.
3. When the needle moves into the patient, the spring II below the moving block I can be extruded by the moving block I, the downward pressure can be applied to the abutting block under the action of the elastic potential energy of the spring II, the larger the downward moving distance of the moving block is, the larger the elastic potential energy of the spring II is under the action of the pressure of the abutting block, namely, the larger the resistance force applied when the sampling needle cylinder moves rightwards along with the deeper insertion depth of the needle is, so that the judgment on touch sense can be improved for medical staff with lower experience when the needle is inserted into the patient, unnecessary injury to the patient caused by too deep puncture sampling depth of the patient is avoided, and the working difficulty of the medical staff is reduced.
Drawings
FIG. 1 is an isometric view of a construction of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a cross-sectional view of the syringe cartridge of the present invention at its construction;
FIG. 4 is a cross-sectional view of the sample syringe of the present invention at its construction;
FIG. 5 is a cross-sectional view of the rectangular slot structure of the present invention;
FIG. 6 is a cross-sectional view of a slider structure according to the present invention.
In the figure: 1. a syringe case; 2. a notch; 3. a circular slot; 4. a needle; 5. a moving plate; 6. a second finger placing groove; 7. a fixing plate; 8. a moving tray; 9. a moving rod; 10. a graduated scale; 11. a second hinging block; 12. a hinged plate; 13. a second telescopic rod; 14. a second spring; 15. a connecting block; 16. a first moving block; 17. scale marks; 18. an abutment block; 19. a sampling needle cylinder; 20. a first hinge block; 21. a fixed block; 22. a rack row II; 23. a rotating rod; 24. a gear; 25. a first finger placing groove; 26. a first telescopic rod; 27. a first spring; 28. the racks are arranged in a row; 29. a piston plate; 30. a second moving block; 31. a rectangular notch; 32. a slide block; 33. and a sliding groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a clinical sampling and inspection equipment, includes needle cylinder box 1, and the inside of needle cylinder box 1 is provided with sample needle cylinder 19, and the inner wall sliding connection of sample needle cylinder 19 has piston plate 29, and the surface fixedly connected with movable rod 9 of piston plate 29, and the tip that movable rod 9 kept away from sample needle cylinder 19 is provided with movable disk 8, and the tip of sample needle cylinder 19 is fixed to be linked together and is had syringe needle 4, and the circular notch 3 that supplies sample needle cylinder 19 to stretch out is seted up on the surface of needle cylinder box 1;
the inside of the cartridge 1 is provided with a moving means for moving the sampling needle cylinder 19 and an auxiliary means capable of clearly displaying the displacement distance of the sampling needle cylinder 19.
More specifically, when the present embodiment is used, the right side of the syringe case 1 is attached to the puncture sampling position of a patient, then the needle 4 at the end of the sampling syringe 19 and the needle 4 at the end of the sampling syringe can be moved in a direction close to the inside of the patient by controlling the moving component, after the needle 4 is inserted to a proper sampling depth, the moving disc 8 is pulled outwards, the moving rod 9 and the piston plate 29 are driven to move in a direction far away from the inside of the sampling syringe 19 by the movement of the moving disc 8, so that negative pressure starts in the sampling syringe 19, and under the action of negative pressure adsorption of the sampling syringe 19, the cerebrospinal fluid in the patient can be sampled, so that the cerebrospinal fluid of the patient can be sucked into the sampling syringe 19.
After the sampling is finished, the moving part is controlled again to take out the needle head 4 from the patient, the taken-out needle head 4 is aligned with an external inspection container, then the moving disc 8 is moved again in the direction approaching the sampling needle cylinder 19, the moving rod 9 and the piston plate 29 are driven to synchronously move in the direction approaching the interior of the sampling needle cylinder 19, and then the cerebral spinal fluid of the patient stored in the sampling needle cylinder 19 can be discharged into the inspection container for subsequent inspection operation.
It is worth noting that under the action of the auxiliary component, the distance moved by the sampling needle cylinder 19 and the needle head 4 can be accurately displayed above the needle cylinder box 1 when the sampling needle cylinder 19 and the needle head 4 are moved, so that the accurate control of the insertion depth of the needle head 4 by medical staff is facilitated, and the working difficulty of the medical staff is reduced.
Under the action of the moving part, along with the movement of the sampling needle cylinder 19 and the needle head 4, when the distance of the needle head 4 inserted into the body of a patient is longer, the resistance born by medical staff when operating the moving part is larger, so that the judgment on the touch sense can be improved for medical staff with lower experience when the needle head 4 is inserted for sampling operation, the secondary injury to the patient caused by too deep puncture sampling depth of the patient is avoided, and the working difficulty of the medical staff is further reduced.
In the second embodiment, based on the above embodiment,
further, a moving part and an auxiliary part in the first embodiment are disclosed, the moving part comprises a rotating rod 23 which is rotatably connected to the inner wall of the syringe box 1 by a fixed shaft, a gear 24 is fixedly connected to the surface of the rotating rod 23, a rack row one 28 meshed with the gear 24 is fixedly connected to the lower surface of the sampling syringe 19, a placing groove is formed in the inner wall of the syringe box 1, a moving plate 5 is slidingly connected to the inner wall of the placing groove, a finger placing groove one 25 is formed in the surface of the moving plate 5, a rack row two 22 meshed with the gear 24 is fixedly connected to the surface of the moving plate 5, and the rack row two 22 is slidingly connected with the inner wall of the syringe box 1.
The movable part further comprises a fixed plate 7 fixedly connected to the inner wall of the placing groove, a plurality of finger placing grooves II 6 are formed in the surface of the fixed plate 7, a first spring 27 is arranged between the fixed plate 7 and the movable plate 5, and a first telescopic rod 26 is also arranged between the fixed plate 7 and the movable plate 5.
Two symmetrically arranged sliding blocks 32 are fixedly connected to the side face of the moving plate 5, and sliding grooves 33 for extending and sliding the sliding blocks 32 are formed in the inner wall of the placing groove.
The auxiliary component comprises a fixed block 21 fixedly connected to the surface of the sampling needle cylinder 19, the upper surface of the fixed block 21 is fixedly connected with two symmetrically arranged hinge blocks I20, and a hinge plate 12 is commonly hinged between the two hinge blocks I20;
the upper surface of the needle cylinder box 1 is fixedly connected with a graduated scale 10, the surface of the graduated scale 10 is provided with a plurality of graduation marks 17, the surface of the graduated scale 10 is slidably connected with a first moving block 16, the surface of the first moving block 16 is fixedly connected with two symmetrically arranged hinging blocks 11, the first moving block 16 is hinged with a hinging plate 12 through the two hinging blocks 11, and a notch 2 for the hinging plate 12 to stretch out and slide is formed in the upper surface of the needle cylinder box 1.
The surface of the first moving block 16 is fixedly connected with a connecting block 15, the lower surface of the connecting block 15 is fixedly connected with a second telescopic rod 13, the end part of the second telescopic rod 13 is fixedly connected with an abutting block 18, a rubber cushion layer is arranged on the surface of the abutting block 18, which is jointly provided with the second spring 14, between the abutting block 18 and the connecting block 15, and the lower surface of the abutting block 18 is abutted with the surface of the sampling needle cylinder 19.
Two abutting blocks 18 are arranged, and the two abutting blocks 18 are symmetrically distributed with the axis of the sampling needle cylinder 19.
The surface of the sampling needle cylinder 19 is fixedly connected with two symmetrically arranged moving blocks II 30, and the inner wall of the needle cylinder box 1 is provided with a rectangular notch 31 for the moving blocks II 30 to extend and slide.
More specifically, when the embodiment is used, as shown in fig. 1, a medical staff holds the fixed plate 7 with one hand, then places the index finger on the movable plate 5, the first finger placing groove 25 formed on the movable plate 5 can be used for conveniently placing the index finger of the medical staff, and the second finger placing groove 6 formed on the fixed plate 7 is the same, so that other fingers of the medical staff can be conveniently placed, and slipping of the medical staff when holding the fixed plate 7 can be avoided.
Then, the right side of the syringe case 1 is attached to the puncture sampling position of the patient, the needle 4 is inserted into a part of the patient, and when the needle 4 needs to be moved to enable the needle 4 to be inserted into the patient for sampling, the moving plate 5 can be pushed by the index finger placed in the first finger placing groove 25 to a direction approaching to the fixed plate 7.
As shown in fig. 3 and 4, the movement of the moving plate 5 drives the rack row two 22 to move leftwards, the movement of the rack row two 22 drives the gear 24 to start rotating, the rotation of the gear 24 drives the rack row one 28 to move rightwards, and the movement of the rack row one 28 drives the sampling needle cylinder 19 and the needle 4 at the end thereof to move rightwards, so that the needle 4 can be inserted into a deeper position in the patient body at this time, thereby facilitating the subsequent sampling operation.
It is worth noting that, when the sampling needle cylinder 19 moves rightwards, the two moving blocks II 30 also move in the rectangular notch 31, and under the cooperation of the moving blocks II 30 and the rectangular notch 31, the sampling needle cylinder 19 can be limited not to deflect when moving rightwards, so that the needle head 4 is prevented from deflecting when being inserted into a patient, secondary injury to the patient is avoided, and subsequent sampling operation is facilitated.
The movement of the sampling needle cylinder 19 also drives the fixed block 21 to move rightwards, and because the fixed block 21 is hinged with the first movable block 16 through the hinged plate 12, the right movement of the fixed block 21 drives the first movable block 16 to move downwards, and the more the distance of the right movement of the sampling needle cylinder 19 is, the more the distance of the right movement of the first movable block 16 is, the more the scale marks 17 on the scale 10 of the first movable block 16 can be observed, so that the right movement of the sampling needle cylinder can be accurately observed, and the insertion depth of the needle head 4 can be accurately mastered.
Along with the movement of the sampling needle cylinder 19, the first moving block 16 is driven to move downwards, the second spring 14 below is extruded by the downward movement of the first moving block 16, meanwhile, the second telescopic rod 13 starts to shrink, the lower pressure of the abutting block 18 can be given under the action of the elastic potential energy of the second spring 14, the larger the downward movement distance of the first moving block 16 is, the larger the elastic potential energy of the second spring 14 is, under the action of the pressure of the abutting block 18, the larger the resistance force applied to the rightward movement of the sampling needle cylinder 19 is, so that the judgment on the touch sense can be improved for medical staff with lower experience when the needle head 4 is inserted into a patient, unnecessary injury to the patient caused by over-deep puncture sampling of the patient is avoided, and the working difficulty of the medical staff is reduced.
Similarly, when the medical staff pushes the movable plate 5 to move towards the direction close to the fixed plate 7 through the index finger, the movement of the movable plate 5 also extrudes the first spring 27 between the movable plate 5 and the fixed plate 7, and the elastic potential energy of the first spring 27 is larger along with the longer displacement distance of the movable plate 5, so that the resistance applied when pushing the movable plate 5 when inserting the needle 4 into a patient can be improved, the touch feeling of the finger of the medical staff is further enhanced, the penetration sampling depth is prevented from being too deep, and the first telescopic rod 26 and the second telescopic rod 13 are arranged to avoid the inclination of the first spring 27 and the second spring 14 when being compressed, so that the service lives of the first spring 27 and the second spring 14 are prolonged.
After judging that the needle 4 has been inserted to a proper depth for sampling in the patient by observing the scale marks 17 on the scale 10 of the first leakage moving block 16, the medical staff can draw the moving plate 8 away from the syringe box 1 by the other hand, and can suck the cerebrospinal fluid in the patient into the sampling syringe 19.
The medical staff can loosen the index finger of the pushing movable plate 5, and can drive the movable plate 5 to reset under the action of the elastic potential energy of the first spring 27, so that the second rack row 22, the gear 24 and the first rack row 28 can reset, the sampling needle cylinder 19 and the needle head 4 can reset, the first movable block 16 can reset under the action of the elastic potential energy of the second spring 14, the fixed plate 7 can be moved in the direction away from the body of a patient at the moment, and the needle head 4 can be taken out from the body of the patient.
The needle head 4 is aligned with an external inspection container, and the movable disk 8 is moved towards the direction approaching the sampling needle cylinder 19, so that the cerebrospinal fluid of the patient stored in the sampling needle cylinder 19 can be discharged into the inspection container for subsequent inspection operation.
Working principle: this kind of clinical sampling and censorship equipment, when using, medical personnel hold fixed plate 7 with one hand, put the forefinger on movable plate 5 again, then through removing fixed plate 7, laminate the right side of syringe box 1 in patient's puncture sampling position department, syringe needle 4 then can insert into part in patient's the health this moment, this kind of handheld mode, compare in traditional mode of holding sample cylinder 19, avoided medical personnel to skid when holding sample cylinder 19, promoted the stability of sample cylinder 19 when taking a sample operation.
When the needle 4 needs to be moved to insert the needle 4 into the patient for sampling, the index finger placed in the first finger placement groove 25 pushes the moving plate 5 in a direction approaching the fixed plate 7, as shown in fig. 3 and 4, the moving plate 5 moves the rack row two 22 to the left, so that the gear 24 starts to rotate, and the rack row one 28 moves to the right, so that the sampling needle cylinder 19 and the needle 4 at the end thereof can move to the right, and at the moment, the needle 4 can be inserted into a deeper position in the patient for sampling.
The movement of the sampling needle cylinder 19 also drives the fixed block 21 to move rightwards, and under the action of the hinge plate 12, the right movement of the fixed block 21 drives the first movable block 16 to move downwards, and the more the distance of the right movement of the sampling needle cylinder 19 is, the more the distance of the lower movement of the first movable block 16 is, at this time, the number of the right movement of the sampling needle cylinder can be accurately observed by observing the scale marks 17 on the scale 10 of the first movable block 16, and the insertion depth of the needle 4 can be accurately grasped.
The first moving block 16 can squeeze the second spring 14 below while moving downwards, at this time, the downward pressure can be given to the abutting block 18 under the action of the elastic potential energy of the second spring 14, and the same, the more the distance of the downward movement of the first moving block 16 is, the larger the elastic potential energy of the second spring 14 is, under the action of the pressure of the abutting block 18, the larger the resistance force applied when the sampling needle cylinder 19 moves rightwards along with the deeper insertion depth of the needle head 4 is, so that the judgment on the touch sense can be improved for medical staff with lower experience when the needle head 4 is inserted into a patient body, unnecessary injury to the patient caused by too deep puncture sampling depth of the patient is avoided, and the working difficulty of the medical staff is reduced.
After the needle 4 is judged to be inserted to a proper depth for sampling in the patient by observing the scale marks 17 on the scale 10 of the first leakage moving block 16, the moving disc 8 can be pulled by the other hand in a direction away from the needle cylinder box 1, so that the cerebrospinal fluid in the patient can be sucked into the sampling needle cylinder 19 under negative pressure, the needle 4 is aligned with an external inspection container, and then the moving disc 8 is moved in a direction close to the sampling needle cylinder 19, so that the cerebrospinal fluid of the patient taken out from the sampling needle cylinder 19 can be discharged into the inspection container for inspection.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Clinical sampling and inspection equipment comprises a needle cylinder box (1), and is characterized in that: the inner part of the syringe box (1) is provided with a sampling syringe (19), the inner wall of the sampling syringe (19) is connected with a piston plate (29) in a sliding way, the surface of the piston plate (29) is fixedly connected with a moving rod (9), and the end part of the moving rod (9) far away from the sampling syringe (19) is provided with a moving disc (8);
the end part of the sampling needle cylinder (19) is fixedly communicated with a needle head (4), and a circular notch (3) for the sampling needle cylinder (19) to extend out is formed in the surface of the needle cylinder box (1).
2. A clinical sampling and testing apparatus according to claim 1, wherein: the inside of the syringe box (1) is provided with a moving part for moving the sampling syringe (19) and an auxiliary part capable of clearly displaying the displacement distance of the sampling syringe (19).
3. A clinical sampling and testing apparatus according to claim 2, wherein: the movable part comprises a rotating rod (23) which is rotationally connected with the inner wall of the needle cylinder box (1) through a fixed shaft, a gear (24) is fixedly connected to the surface of the rotating rod (23), a rack row I (28) meshed with the gear (24) is fixedly connected to the lower surface of the sampling needle cylinder (19), a placing groove is formed in the inner wall of the needle cylinder box (1), a movable plate (5) is slidably connected to the inner wall of the placing groove, a finger placing groove I (25) is formed in the surface of the movable plate (5), a rack row II (22) meshed with the gear (24) is fixedly connected to the surface of the movable plate (5), and the rack row II (22) is slidably connected with the inner wall of the needle cylinder box (1); the movable part further comprises a fixed plate (7) fixedly connected to the inner wall of the placing groove, a plurality of second finger placing grooves (6) are formed in the surface of the fixed plate (7), a first spring (27) is arranged between the fixed plate (7) and the movable plate (5), and a first telescopic rod (26) is also arranged between the fixed plate (7) and the movable plate (5); the auxiliary component comprises a fixed block (21) fixedly connected to the surface of the sampling needle cylinder (19), two symmetrically arranged hinge blocks I (20) are fixedly connected to the upper surface of the fixed block (21), and hinge plates (12) are hinged between the two hinge blocks I (20);
the upper surface of the needle cylinder box (1) is fixedly connected with a graduated scale (10), the surface of the graduated scale (10) is provided with a plurality of graduation marks (17), the surface of the graduated scale (10) is slidably connected with a first moving block (16), the surface of the first moving block (16) is fixedly connected with two symmetrically arranged hinging blocks (11), the first moving block (16) is hinged with the hinging plates (12) through the two hinging blocks (11), and the upper surface of the needle cylinder box (1) is provided with a notch (2) for the hinging plates (12) to stretch out and slide; the surface of the moving block I (16) is fixedly connected with a connecting block (15), and the lower surface of the connecting block (15) is fixedly connected with a telescopic rod II (13).
4. A clinical sampling and testing apparatus according to claim 2, wherein: two symmetrically arranged sliding blocks (32) are fixedly connected to the side face of the moving plate (5), and sliding grooves (33) which are used for the sliding blocks (32) to extend out and slide are formed in the inner wall of the placing groove.
5. A clinical sampling and testing apparatus according to claim 1, wherein: and an abutting block (18) is fixedly connected with the end part of the second telescopic rod (13).
6. A clinical sampling and testing apparatus according to claim 5, wherein: a second spring (14) is arranged between the abutting block (18) and the connecting block (15), and a rubber cushion layer is arranged on the surface of the abutting block (18).
7. The clinical sampling and testing apparatus of claim 6, wherein: the lower surface of the abutting block (18) abuts against the surface of the sampling needle cylinder (19).
8. The clinical sampling and testing apparatus of claim 7, wherein: two abutting blocks (18) are arranged, and the two abutting blocks (18) are symmetrically distributed with the axis of the sampling needle cylinder (19).
9. A clinical sampling and testing apparatus according to claim 2, wherein: the surface of the sampling needle cylinder (19) is fixedly connected with two symmetrically arranged moving blocks II (30), and a rectangular notch (31) which is used for the moving blocks II (30) to extend and slide is formed in the inner wall of the needle cylinder box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310879479.XA CN116898488A (en) | 2023-07-18 | 2023-07-18 | Clinical sampling and inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310879479.XA CN116898488A (en) | 2023-07-18 | 2023-07-18 | Clinical sampling and inspection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116898488A true CN116898488A (en) | 2023-10-20 |
Family
ID=88361142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310879479.XA Pending CN116898488A (en) | 2023-07-18 | 2023-07-18 | Clinical sampling and inspection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116898488A (en) |
-
2023
- 2023-07-18 CN CN202310879479.XA patent/CN116898488A/en active Pending
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