CN108992076B - Pneumatic endocrine diabetes blood examination device that draws blood - Google Patents
Pneumatic endocrine diabetes blood examination device that draws blood Download PDFInfo
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- CN108992076B CN108992076B CN201810970101.XA CN201810970101A CN108992076B CN 108992076 B CN108992076 B CN 108992076B CN 201810970101 A CN201810970101 A CN 201810970101A CN 108992076 B CN108992076 B CN 108992076B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
- A61B5/150061—Means for enhancing collection
- A61B5/150099—Means for enhancing collection by negative pressure, other than vacuum extraction into a syringe by pulling on the piston rod or into pre-evacuated tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a pneumatic endocrine diabetes blood examination blood drawing device which comprises a support tube, wherein a negative pressure tube is fixedly arranged on the outer surface of the support tube, an air extractor is arranged in the negative pressure tube, the air extractor comprises a micro motor, a one-way tube is fixedly communicated with the inner top wall of the negative pressure tube, and a one-way air flow device is arranged in the one-way tube. This pneumatic endocrine diabetes blood inspection device of drawing blood through setting up time delay relay, can carry out the energization time delay to the electromagnetic telescopic link and start, because electromagnetic telescopic link action is rapid, the response time of people's pressing time delay start switch is greater than electromagnetic telescopic link's response time, causes the staff to have not left time delay start switch yet easily, the ejector pin just touches stop switch, causes the finger of pricking the people many times of pricking very easily, increases the painful number of times of person of drawing blood, easily takes off the finger, causes the negative pressure in the stay tube to reduce to disappear, delays the blood drawing, reduces blood drawing efficiency.
Description
Technical Field
The invention relates to the technical field of endocrine diabetes, in particular to a pneumatic endocrine diabetes blood examination blood drawing device.
Background
Diabetes is a group of metabolic diseases characterized by hyperglycemia. Hyperglycemia is caused by defective insulin secretion or impaired biological action, or both. The prolonged presence of hyperglycemia in diabetes leads to chronic damage, dysfunction of various tissues, especially the eyes, kidneys, heart, blood vessels, nerves.
At present, when blood drawing and checking are carried out on diabetic patients, most of the patients are manually drawn by medical staff, when blood drawing is carried out, the medical staff need to carefully observe the patients from the process of taking the needle to the process of entering the blood sample tube, and all the blood sample is exposed to the outside when blood drawing is carried out, bacteria carried by the medical staff and bacteria carried by the patients possibly cause certain pollution to the blood sample, and when the patients need to draw blood more, the blood drawing efficiency is slower.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a pneumatic endocrine diabetes blood examination and blood drawing device which has the characteristics of automatic sterile blood sample collection and high collection efficiency compared with manual collection efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a pneumatic endocrine diabetes blood inspection device of drawing blood, includes the stay tube, and the surface fixed mounting of stay tube has the negative pressure pipe, and the inside of negative pressure pipe is provided with air exhaust device, and air exhaust device includes micro motor, and the interior roof fixed intercommunication of negative pressure pipe has the one-way pipe, and the top of one-way pipe is fixed to be linked together with the inside wall of stay tube, and the inside of one-way pipe is provided with one-way air current device.
The inner bottom side wall of stay tube has electromagnetic telescopic rod through fixed block fixed mounting, the inside wall of stay tube fixedly connected with holding ring and guide ring respectively, the holding ring is located the below of guide ring, the inside wall sliding connection of stay tube has first piston, first piston is located between holding ring and the guide ring, electromagnetic telescopic rod's telescopic rod and the lower fixed surface of first piston are connected, the upper surface fixedly connected with guide bar of first piston, negative pressure spring has been cup jointed in the surface activity of guide bar, negative pressure spring's both ends free end respectively with the lower surface of guide ring and the upper fixed surface of first piston are connected, the air vent has been seted up to the inside of guide ring.
The top threaded connection of guide bar has the device of drawing blood, and the device of drawing blood includes threaded rod and puncture, and the surface of threaded rod and the top threaded connection of guide bar.
The inside and the outside of stay tube all are provided with electric control device, and electric control device includes delay relay, delay start switch and stop switch, and delay relay and micro motor all with delay start switch electric connection, stop switch respectively with micro motor, electromagnetic telescopic link and delay start switch electric connection.
Further, the output shaft of the miniature motor is fixedly connected with a rotating shaft through a coupler, the surface of the rotating shaft is fixedly connected with a winding reel, and the surface of the winding reel is fixedly connected with a steel wire rope.
Further, the top end of the steel wire rope is provided with a through hole through the inner bottom wall of the negative pressure pipe and extends to the inside of the negative pressure pipe, the inner side wall of the negative pressure pipe is slidably connected with a second piston, the lower surface of the second piston is fixedly connected with the top end of the steel wire rope, the surface of the steel wire rope is movably sleeved with a reset spring, and the free ends of the two ends of the reset spring are respectively fixedly connected with the lower surface of the second piston and the inner bottom wall of the negative pressure pipe.
Further, the unidirectional air flow device comprises a fixed ring, the inner bottom wall of the unidirectional pipe is fixedly connected with a pressure spring, the top free end of the pressure spring is fixedly connected with a unidirectional ball, and the surface of the unidirectional ball is in sliding connection with the inner wall of the lower surface of the fixed ring.
Further, the top fixedly connected with of threaded rod is flexible pipe down, and the bottom fixed connection of bottom flexible pipe and puncture, the inside wall sliding sleeve of flexible pipe down has gone up flexible pipe, goes up the top surface of flexible pipe and the interior roof screw thread grafting of stay tube, goes up flexible pipe top inner wall threaded connection and has a sealing plug, and the last fixed surface of flexible pipe is connected with the bounding wall, and the lower fixed surface of bounding wall has cup jointed sealing washer.
Further, the outer surface of the upper telescopic tube is movably sleeved with a rubber hose, and two ends of the rubber hose are fixedly connected with the upper surface of the lower telescopic tube and the surface of the upper telescopic tube respectively.
Further, the top surface of the upper telescopic tube is provided with the vent hole, the inner side wall of the vent hole is provided with the positioning groove, the vent hole and the inner wall of the positioning groove are both in sliding connection with each other, the inner wall of the positioning groove is in an arc shape, and the distance between the upper surface of the needle insertion and the upper surface of the upper telescopic tube is equal to the travel distance of the electromagnetic telescopic rod.
Further, the surface of the delay relay is fixedly connected with the inner side wall of the supporting tube, the surface of the delay starting switch is fixedly connected with the outer surface of the supporting tube, the surface of the stopping switch is fixedly connected with the lower surface of the guide ring, and the model of the delay relay is AH3-3.
Further, the upper surface of the first piston is fixedly connected with a push rod, and the axial lead of the push rod and the axial lead of the stop switch are positioned on the same straight line.
Further, the distance between the upper surface of the ejector rod and the lower surface of the stop switch is equal to the travel distance of the electromagnetic telescopic rod.
In summary, the invention has the following beneficial effects:
1. through setting up the top threaded connection of guide bar and have the device of drawing blood, the device of drawing blood includes the threaded rod and pricks the needle, the surface of threaded rod and the top threaded connection of guide bar have reached the effect of drawing blood by hand to the patient, during the use, stretch into the stay tube with the device of drawing blood in, threaded rod and guide bar threaded connection, the top of going up flexible pipe and the interior roof threaded connection of stay tube and through sealing washer and the upper surface seal of stay tube, the hole at flexible pipe top is pressed to the finger, when flexible pipe upwards slides under the guide bar drive, its inside air is discharged through the bleeder vent, the inside top of pricking needle carries out the needle to the finger position simultaneously, when flexible pipe downwards slides under the guide bar drive, owing to the stay tube surface is provided with air extraction device, at this moment, through the bleeder vent, the inside negative pressure that is of blood in the pricking finger, the blood flows under the negative pressure state, reach the negative pressure effect of drawing blood, need not medical staff operation simultaneously, reduce the possibility of bacteria contaminated blood, thereby have the characteristics of aseptic collection blood sample.
2. Through setting up delay relay and micro motor all with delay start switch electric connection, stop switch respectively with micro motor, electromagnetic telescopic link and delay start switch electric connection, reached automatic time delay collection blood's effect, when the finger presses at last flexible pipe top hole, its top is covered by finger skin and is sealed, loosen after pressing the delay start switch, form the return circuit, delay start switch sends the signal of telecommunication, start micro motor and delay relay respectively, micro motor drives the second piston and slides downwards, carry out the negative pressure of bleeding to the stay tube inside, simultaneously after delay relay reaches delay time, send the signal of telecommunication, control electromagnetic telescopic link start up fast upward movement, drive guide bar and ejector pin upward movement through first piston, when the ejector pin touches and touch stop switch, whole return circuit is cut off, first piston is reset by extrusion under the negative pressure spring effect, negative pressure increase in the stay tube, blood drops into under the negative pressure effect, thereby have the characteristics of automatic negative pressure blood drawing.
3. Through setting up time delay relay, can carry out the energization time delay start to the electromagnetic telescopic link, because electromagnetic telescopic link action is rapid, the response time of people's pressing time delay start switch is greater than electromagnetic telescopic link's response time, causes the staff to have not left time delay start switch yet easily, and the ejector pin just touches stop switch, causes the finger of pricking the people many times of pricking the needle very easily, increases the painful number of times of phlebotomist, easily takes the finger off, causes the negative pressure in the stay tube to reduce disappearing, delays the blood drawing, reduces blood drawing efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the negative pressure pipe of the present invention;
FIG. 3 is a cross-sectional view of a one-way tube structure of the present invention;
FIG. 4 is a perspective view of a blood drawing device of the present invention;
FIG. 5 is an enlarged view of the invention at A in FIG. 1;
fig. 6 is an electrical schematic of the present invention.
In the figure: 1. a support tube; 2. a negative pressure pipe; 21. a micro motor; 22. a rotating shaft; 23. a spool; 24. a wire rope; 25. a second piston; 26. a return spring; 3. a unidirectional tube; 31. a fixing ring; 32. a pressure spring; 33. a unidirectional ball; 4. an electromagnetic telescopic rod; 5. a positioning ring; 6. a guide ring; 7. a first piston; 8. a guide rod; 81. a threaded rod; 82. needle insertion; 83. a lower telescopic tube; 84. an upper telescopic tube; 85. a sealing plug; 86. coaming plate; 87. a sealing gasket; 88. a rubber hose; 89. ventilation holes; 891. a positioning groove; 892. a rubber stopper; 9. a negative pressure spring; 10. a vent hole; 11. a delay relay; 111. a delay start switch; 112. stopping the switch; 12. and (5) a push rod.
Detailed Description
Examples:
the invention is described in further detail below with reference to fig. 1-6.
1-3, including stay tube 1, the surface fixed mounting of stay tube 1 has negative pressure pipe 2, the inside of negative pressure pipe 2 is provided with air extraction device, air extraction device includes micro motor 21, micro motor 21's output shaft passes through shaft coupling fixedly connected with pivot 22, pivot 22's surface fixedly connected with reel 23, reel 23's surface fixedly connected with wire rope 24, wire rope 24's top is offered the through-hole through negative pressure pipe 2 inner wall and is offered inside that the through-hole extends to negative pressure pipe 2, negative pressure pipe 2's inside wall sliding connection has second piston 25, the lower surface of second piston 25 and the top fixed connection of wire rope 24, wire rope 24's surface activity cup joints reset spring 26, reset spring 26's both ends free end respectively with the lower surface of second piston 25 and the inner bottom wall fixed connection of negative pressure pipe 2, unidirectional pipe 3's inside of unidirectional flow device is provided with unidirectional flow device, unidirectional flow device includes solid fixed ring 31, unidirectional pipe 3's inner bottom wall fixed connection has pressure spring 32, the free end of pressure spring 33 is connected with solid fixed ball 33's bottom surface fixed connection.
The inner bottom side wall of stay tube 1 has electromagnetic telescopic rod 4 through fixed block fixed mounting, the inside wall of stay tube 1 fixedly connected with holding ring 5 and guide ring 6 respectively, holding ring 5 is located the below of guide ring 6, the inside wall sliding connection of stay tube 1 has first piston 7, first piston 7 is located between holding ring 5 and the guide ring 6, electromagnetic telescopic rod 4's telescopic rod and first piston 7's lower fixed surface connection, first piston 7's upper surface fixedly connected with guide rod 8, negative pressure spring 9 has been cup jointed in the surface activity of guide rod 8, negative pressure spring 9's both ends free end respectively with the lower surface of guide ring 6 and the upper surface fixed connection of first piston 7, air vent 10 has been seted up to the inside of guide ring 6.
As shown in fig. 4 and 5, the top thread of the guide rod 8 is connected with a blood drawing device, the blood drawing device comprises a threaded rod 81 and a needle insertion 82, the surface of the threaded rod 81 is connected with the top thread of the guide rod 8, the top of the threaded rod 81 is fixedly connected with a lower telescopic tube 83, the inner bottom wall of the lower telescopic tube 83 is fixedly connected with the bottom of the needle insertion 82, the inner side wall of the lower telescopic tube 83 is slidingly sleeved with an upper telescopic tube 84, the top surface of the upper telescopic tube 84 is in threaded connection with the inner top wall of the support tube 1, the inner wall of the top of the upper telescopic tube 84 is in threaded connection with a sealing plug 85, the upper surface of the upper telescopic tube 84 is fixedly connected with a coaming 86, the lower surface of the coaming 86 is fixedly sleeved with a sealing gasket 87, the outer surface of the upper telescopic tube 84 is movably sleeved with a rubber hose 88, two ends of the rubber hose 88 are respectively fixedly connected with the upper surface of the lower telescopic tube 83 and the surface of the upper telescopic tube 84, the outer surface of the top of the upper telescopic tube 84 is provided with a vent hole 89, the inner side wall of the vent hole 89 is provided with a positioning groove 891, the vent hole 89 and the inner wall of the positioning groove 891 are both in sliding connection with a rubber plug 892, the inner wall of the positioning groove 891 is in an arc shape, the distance between the upper surface of the needle 82 and the upper surface of the upper telescopic tube 84 is equal to the travel distance of the electromagnetic telescopic rod 4, the blood drawing device is connected with the blood drawing device through the top thread of the guide rod 8, the blood drawing device comprises a threaded rod 81 and the needle 82, the surface of the threaded rod 81 is connected with the top thread of the guide rod 8, the blood drawing device is stretched into the support tube 1 when in use, the threaded rod 81 is connected with the guide rod 8 through the thread, the top of the upper telescopic tube 84 is connected with the inner top wall of the support tube 1 through a sealing washer 87, the upper surface of the support tube 1 is sealed, and fingers press the holes at the top of the upper telescopic tube 84, when the guide rod 8 drives the lower telescopic pipe 83 to slide upwards, air in the guide rod is discharged through the air holes 89, meanwhile, the top of the needle 82 in the guide rod is used for needling the finger part, when the guide rod 8 drives the lower telescopic pipe 83 to slide downwards, as the surface of the support pipe 1 is provided with the air extractor, the inside of the support pipe 1 is in a negative pressure state, at the moment, the inside of the blood extractor is in a negative pressure state through the air holes 89, blood in the punctured finger flows out in a negative pressure state, the negative pressure blood extracting effect is achieved, meanwhile, the operation of medical staff is not needed, the possibility of bacteria polluting the blood is reduced, after blood extracting is completed, the air holes 89 are sealed by the screw thread rotating blood extracting device, and therefore the blood sample collecting device has the characteristic of asepsis.
As shown in fig. 1 and 6, the electric control devices are arranged inside and outside the support tube 1, each electric control device comprises a delay relay 11, a delay starting switch 111 and a stop switch 112, each of the delay relay 11 and the micro motor 21 is electrically connected with the delay starting switch 111, each of the stop switch 112 is electrically connected with the micro motor 21, the electromagnetic telescopic rod 4 and the delay starting switch 111, each of the stop switch 112 is electrically connected with the delay starting switch 111 by arranging the delay relay 11 and the micro motor 21, each of the stop switch 112 is electrically connected with the micro motor 21, the electromagnetic telescopic rod 4 and the delay starting switch 111, the effect of automatically delaying blood collection is achieved, when a finger presses a hole at the top of the upper telescopic tube 84, the top of the finger is covered and sealed by the finger skin, the finger is released after the delay starting switch 111 is pressed to form a loop, the delay starting switch 111 emits an electric signal, the micro motor 21 and the delay relay 11 are respectively started, the micro motor 21 drives the second piston 25 to slide downwards to pump air and negative pressure inside the support tube 1, meanwhile, when the delay relay 11 reaches the delay time, an electric signal is sent out to control the electromagnetic telescopic rod 4 to start to rapidly move upwards, the guide rod 8 and the ejector rod 12 are driven to move upwards through the first piston 7, when the ejector rod 12 touches the stop switch 112, the whole loop is cut off, the first piston 7 is extruded and reset under the action of the negative pressure spring 9, the negative pressure in the support tube 1 is increased, blood is dripped into the lower telescopic tube 83 under the action of the negative pressure, thus the automatic negative pressure blood pumping characteristic is achieved, the surface of the delay relay 11 is fixedly connected with the inner side wall of the support tube 1, the surface of the delay start switch 111 is fixedly connected with the outer surface of the support tube 1, the surface of the stop switch 112 is fixedly connected with the lower surface of the guide ring 6, the model of delay relay 11 is AH3-3, the upper surface fixedly connected with ejector pin 12 of first piston 7, the axial lead of ejector pin 12 and the axial lead of stop switch 112 are located same straight line, the distance of ejector pin 12 upper surface and stop switch 112 lower surface equals the travel distance of electromagnetic telescopic link 4, through setting up delay relay 11, can carry out the circular telegram delay start to electromagnetic telescopic link 4, because electromagnetic telescopic link 4 action is rapid, the response time of people's pressing delay start switch 111 is greater than electromagnetic telescopic link 4's response time, easily cause the staff to have not left delay start switch 111 yet, ejector pin 12 just touched stop switch 112, easily cause the time of pricking the pin 82 pricking the people's finger many times, increase the painful number of times of phlebotomist, easily take the finger off, cause the negative pressure in the stay tube 1 to reduce disappearing, delay blood drawing, reduce blood drawing efficiency.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (5)
1. The utility model provides a pneumatic endocrine diabetes blood inspection device of drawing blood, includes stay tube (1), its characterized in that: the outer surface of the supporting tube (1) is fixedly provided with a negative pressure tube (2), an air extractor is arranged in the negative pressure tube (2), the air extractor comprises a miniature motor (21), the inner top wall of the negative pressure tube (2) is fixedly communicated with a one-way tube (3), the top of the one-way tube (3) is fixedly communicated with the inner side wall of the supporting tube (1), and a one-way air flow device is arranged in the one-way tube (3);
the electromagnetic telescopic rod (4) is fixedly arranged on the inner bottom side wall of the supporting tube (1) through a fixed block, a positioning ring (5) and a guide ring (6) are fixedly connected to the inner side wall of the supporting tube (1) respectively, the positioning ring (5) is located below the guide ring (6), a first piston (7) is slidably connected to the inner side wall of the supporting tube (1), the first piston (7) is located between the positioning ring (5) and the guide ring (6), the telescopic rod of the electromagnetic telescopic rod (4) is fixedly connected with the lower surface of the first piston (7), a guide rod (8) is fixedly connected to the upper surface of the first piston (7), a negative pressure spring (9) is movably sleeved on the surface of the guide rod (8), and free ends of two ends of the negative pressure spring (9) are fixedly connected with the lower surface of the guide ring (6) and the upper surface of the first piston (7) respectively, and vent holes (10) are formed in the guide ring (6);
the top of the guide rod (8) is in threaded connection with a blood drawing device, the blood drawing device comprises a threaded rod (81) and a puncture needle (82), and the surface of the threaded rod (81) is in threaded connection with the top of the guide rod (8);
the electric control device comprises a delay relay (11), a delay starting switch (111) and a stop switch (112), wherein the delay relay (11) and the miniature motor (21) are electrically connected with the delay starting switch (111), and the stop switch (112) is electrically connected with the miniature motor (21), the electromagnetic telescopic rod (4) and the delay starting switch (111) respectively;
the top of the threaded rod (81) is fixedly connected with a lower telescopic tube (83), the inner bottom wall of the lower telescopic tube (83) is fixedly connected with the bottom of the needle insertion (82), the inner side wall of the lower telescopic tube (83) is sleeved with an upper telescopic tube (84) in a sliding mode, the top surface of the upper telescopic tube (84) is in threaded connection with the inner top wall of the supporting tube (1), the inner top wall of the upper telescopic tube (84) is in threaded connection with a sealing plug (85), the upper surface of the upper telescopic tube (84) is fixedly connected with a coaming (86), and the lower surface of the coaming (86) is fixedly sleeved with a sealing gasket (87);
the outer surface of the upper telescopic tube (84) is movably sleeved with a rubber hose (88), and two ends of the rubber hose (88) are fixedly connected with the upper surface of the lower telescopic tube (83) and the surface of the upper telescopic tube (84) respectively;
the outer surface of the top of the upper telescopic tube (84) is provided with an air vent (89), the inner side wall of the air vent (89) is provided with a positioning groove (891), the air vent (89) and the inner wall of the positioning groove (891) are both in sliding connection with a rubber plug (892), the inner wall of the positioning groove (891) is in an arc shape, and the distance between the upper surface of the needle insertion (82) and the upper surface of the upper telescopic tube (84) is equal to the travel distance of the electromagnetic telescopic rod (4);
the surface of the delay relay (11) is fixedly connected with the inner side wall of the supporting tube (1), the surface of the delay starting switch (111) is fixedly connected with the outer surface of the supporting tube (1), and the surface of the stopping switch (112) is fixedly connected with the lower surface of the guide ring (6);
the upper surface of the first piston (7) is fixedly connected with a push rod (12), and the axial lead of the push rod (12) and the axial lead of the stop switch (112) are positioned on the same straight line;
the distance between the upper surface of the ejector rod (12) and the lower surface of the stop switch (112) is equal to the travel distance of the electromagnetic telescopic rod (4).
2. The pneumatic endocrinological diabetic blood test blood drawing device of claim 1, wherein: the output shaft of the miniature motor (21) is fixedly connected with a rotating shaft (22) through a coupler, the surface of the rotating shaft (22) is fixedly connected with a winding reel (23), and the surface of the winding reel (23) is fixedly connected with a steel wire rope (24).
3. The pneumatic endocrinological diabetic blood test blood drawing device of claim 2, wherein: the top of wire rope (24) is offered the through-hole through the interior wall of negative pressure pipe (2) and is offered the inside that the through-hole extends to negative pressure pipe (2), the inside wall sliding connection of negative pressure pipe (2) has second piston (25), the lower surface of second piston (25) and the top fixed connection of wire rope (24), reset spring (26) have been cup jointed in the surface activity of wire rope (24), reset spring (26)'s both ends free end respectively with the lower surface of second piston (25) and the interior wall fixed connection of negative pressure pipe (2).
4. The pneumatic endocrinological diabetic blood test blood drawing device of claim 1, wherein: the unidirectional air flow device comprises a fixed ring (31), a pressure spring (32) is fixedly connected to the inner bottom wall of the unidirectional pipe (3), a unidirectional ball (33) is fixedly connected to the top free end of the pressure spring (32), and the surface of the unidirectional ball (33) is in sliding connection with the inner wall of the lower surface of the fixed ring (31).
5. The pneumatic endocrinological diabetic blood test blood drawing device of claim 1, wherein: the model of the delay relay (11) is AH3-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970101.XA CN108992076B (en) | 2018-08-24 | 2018-08-24 | Pneumatic endocrine diabetes blood examination device that draws blood |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970101.XA CN108992076B (en) | 2018-08-24 | 2018-08-24 | Pneumatic endocrine diabetes blood examination device that draws blood |
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| Publication Number | Publication Date |
|---|---|
| CN108992076A CN108992076A (en) | 2018-12-14 |
| CN108992076B true CN108992076B (en) | 2023-07-18 |
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| CN201810970101.XA Active CN108992076B (en) | 2018-08-24 | 2018-08-24 | Pneumatic endocrine diabetes blood examination device that draws blood |
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| CN113069355B (en) * | 2020-01-03 | 2022-07-12 | 高谦 | Intelligent internal hot needle punching machine |
| CN111529025B (en) * | 2020-05-25 | 2021-04-23 | 河南省人民医院 | Test tube infant transplanting device and embryo transplanting method |
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| CN205586010U (en) * | 2016-04-18 | 2016-09-21 | 徐海艳 | Bloodletting instrument is used in medical science inspection |
| CN206197952U (en) * | 2016-08-02 | 2017-05-31 | 抚顺市中心血站 | A kind of accurate blood letting device |
| CN206239783U (en) * | 2016-08-04 | 2017-06-13 | 南阳市第二人民医院 | A kind of Internal Medicine-Cardiovascular Dept. drainage system |
| CN106943170A (en) * | 2017-03-24 | 2017-07-14 | 李胜利 | A kind of blood internal medicine blood drawing servicing unit |
-
2018
- 2018-08-24 CN CN201810970101.XA patent/CN108992076B/en active Active
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| US4284077A (en) * | 1974-11-19 | 1981-08-18 | Wolfgang Wagner | Suction injector having an adjustable dosing device |
| EP0301165A2 (en) * | 1987-03-10 | 1989-02-01 | Wagner, Wolfgang, Dr.med. | Metabolism appliance |
| CN205586010U (en) * | 2016-04-18 | 2016-09-21 | 徐海艳 | Bloodletting instrument is used in medical science inspection |
| CN206197952U (en) * | 2016-08-02 | 2017-05-31 | 抚顺市中心血站 | A kind of accurate blood letting device |
| CN206239783U (en) * | 2016-08-04 | 2017-06-13 | 南阳市第二人民医院 | A kind of Internal Medicine-Cardiovascular Dept. drainage system |
| CN106943170A (en) * | 2017-03-24 | 2017-07-14 | 李胜利 | A kind of blood internal medicine blood drawing servicing unit |
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| CN108992076A (en) | 2018-12-14 |
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