CN209951274U - Blood sampling device - Google Patents
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- CN209951274U CN209951274U CN201920254617.4U CN201920254617U CN209951274U CN 209951274 U CN209951274 U CN 209951274U CN 201920254617 U CN201920254617 U CN 201920254617U CN 209951274 U CN209951274 U CN 209951274U
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Abstract
The utility model discloses a blood sampling device, which comprises a base, a rotating shaft, a first supporting platform and a blood sampling needle; the first supporting table is of a circular structure, more than one circle of storage grids are arranged on the first supporting table, and the storage grids and the first supporting table are arranged concentrically; each circle of storage grid comprises more than two storage units, and a negative pressure blood sampling tube is arranged in each storage unit; the blood taking needle comprises a needle tube, a tissue insertion needle head arranged at one end of the needle tube and a blood taking tube insertion needle head arranged at the other end of the needle tube; the upper surface at the base is established to the pivot, and the bottom of first supporting bench rotates to be connected in the pivot. The blood sampling device of the utility model effectively avoids the confusion during the large amount of blood sampling, reduces the workload, and improves the accuracy of detection and the blood sampling efficiency; furthermore, the tube taking of the negative pressure blood sampling tube is facilitated during detection; furthermore, the automatic blood sampling device has the advantages of simple structure, convenience in blood sampling, great reduction in the working intensity of medical personnel and easiness in popularization.
Description
Technical Field
The utility model relates to a blood sampling device belongs to the blood sampling field.
Background
Blood sampling is mainly used for puncturing veins, artery vessels or tissues in subcutaneous tissues or body tissues after human or animal diseases, and then testing the sampled blood to be used as the basis for diagnosis and treatment.
In a conventional blood collection method, one end of a blood collection needle is communicated with a negative pressure blood collection tube, and the other end is inserted into a human tissue to collect blood. The clinical blood drawing amount of a patient is large, sometimes 10-30 blood vessels of a patient need to be drawn, confusion is easy to occur, the workload is increased, and further, the problems of low working efficiency, high working strength and the like exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect that exists among the prior art, the utility model provides a blood sampling device.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
a blood sampling device comprises a base, a rotating shaft, a first supporting platform and a blood sampling needle;
the first supporting table is of a circular structure, more than one circle of storage grids are arranged on the first supporting table, and the storage grids and the first supporting table are arranged concentrically; each circle of storage grid comprises more than two storage units;
the blood taking needle comprises a needle tube, a tissue insertion needle head arranged at one end of the needle tube and a blood taking tube insertion needle head arranged at the other end of the needle tube;
the upper surface at the base is established to the pivot, and the bottom of first supporting bench rotates to be connected in the pivot.
When in use, the storage units are used for containing the negative pressure blood sampling tubes, and each storage unit contains one negative pressure blood sampling tube. The negative pressure blood collection tube is a BD Vacutainer (or the same type) negative pressure blood collection tube commonly used in clinic.
The blood taking needle can be an existing venous blood collection needle, such as: butterfly wing section (soft connection): 0.7X 25 mm; as a conventional technique, a blood collection needle has an outer layer of a needle for inserting a blood collection tube protected by a rubber sheath so that blood does not flow out from a needle tip after the needle tip is removed from a negative pressure blood collection tube, and can be used as a blood collection needle in any of patent applications such as 201810735205.2, 201711156349.4, 201810374013.3, and the like.
The blood sampling method of the device comprises the following steps: the method comprises the steps of arranging negative pressure blood sampling tubes in storage units, arranging one negative pressure blood sampling tube in each storage unit, inserting a tissue insertion needle into human tissues, inserting a blood sampling tube insertion needle of a blood sampling needle into the negative pressure blood sampling tube of one storage unit of the outermost or innermost storage grid, sampling blood, drawing out the blood sampling tube insertion needle, inserting the blood sampling tube into the next negative pressure blood sampling tube of the same circle of storage grid, continuously sampling blood, and repeating the steps until the specified number of negative pressure blood sampling tubes are sampled after all the negative pressure blood sampling tubes of the circle of storage grid are sampled. When the patient need a large amount of blood samplings, same patient can use the negative pressure heparin tube on a first supporting platform, consequently only need to number first supporting platform can, effectively avoided the confusion, reduced work load, improved the accuracy and the blood sampling efficiency that detect.
In the present application, the terms "up and down", "left and right", "top" and "bottom" are used to refer to the relative positions of the device in normal use.
In order to facilitate use and meet general requirements at the same time, a circle of storage grids are arranged on the periphery of the first supporting table.
As an optimal scheme of this application, the inboard of storage check is equipped with the support column on the first supporting station, and the support column is located first supporting station central authorities, all is equipped with the retainer plate directly over every cambered surface recess, and a point on the retainer plate lateral wall is connected on the lateral wall of support column. During the use, insert corresponding retainer plate with the negative pressure heparin tube, can, adopt this scheme, the getting of negative pressure heparin tube is managed and is installed when conveniently detecting.
In order to improve the stability of using, form effectual protection to the negative pressure blood sampling pipe simultaneously, the bottom of every storage unit all is equipped with the cambered surface recess, and cambered surface recess surface is equipped with the elastic layer.
As another preferred scheme of the present application, the first supporting table is provided with a side wall along the periphery, the storage cells are arranged along the side wall of the first supporting table, and each storage unit is a barrel-shaped structure comprising a side wall; the top of the side wall of the first supporting platform is movably connected with a top cover.
In order to improve the stability of using, form effectual protection to the negative pressure heparin tube simultaneously, every storage unit bottom all is equipped with the cambered surface recess, and the surface of cambered surface recess is equipped with the elastic layer.
In order to facilitate use and reduce the workload of medical staff, the blood sampling device also comprises a hydraulic lifting column and a second supporting table, the second supporting table is positioned under the base, one axial end of the hydraulic lifting column is connected to the second supporting table, and the other axial end of the hydraulic lifting column is connected to the base;
a blood sampling tube insertion needle fixing frame is arranged on the supporting column or on the inner side of the side wall of the first supporting platform, and when the blood sampling tube insertion needle fixing frame is arranged on the supporting column, the blood sampling tube insertion needle is vertically and downwards movably connected to the central position right above one storage unit through the needle fixing frame; when the inner side of the side wall of the first supporting platform is provided with a blood sampling tube inserting needle fixing frame, the top cover is provided with a blood sampling hole, and the blood sampling tube inserting needle passes through the blood sampling hole and is vertically and downwards movably connected to the central position right above one of the storage units through the needle fixing frame.
Adopt above-mentioned structure, the lift of accessible hydraulic pressure lift post is accomplished the insertion and the extraction of heparin tube insertion needle, rotate first supporting station and make heparin tube insert the syringe needle and aim at the negative pressure heparin tube, hydraulic pressure lift post drives first supporting station upward movement and inserts in the negative pressure heparin tube to heparin tube insertion needle, when a negative pressure heparin tube blood sampling is accomplished, hydraulic pressure lift post drives first supporting station downstream and extracts the negative pressure heparin tube to heparin tube insertion needle, analogize in proper order, accomplish the blood sampling.
In order to further accurate control blood sampling volume, above-mentioned blood sampling device still includes the pjncture needle, is equipped with the negative pressure inductor on the pjncture needle, and the pjncture needle passes through the perpendicular downward connection of syringe needle mount and directly over the storage unit, and pjncture needle and heparin tube insert the syringe needle just to same storage unit.
As another preferable aspect of the present invention, the blood collection tube insertion needle is provided with a pressure sensor or a flow sensor for further accurate control of the blood collection amount.
In order to improve the efficiency and further reduce the workload of medical staff, the blood sampling device also comprises a control panel, the control panel is arranged on the support column or on the side wall of the first support table or on the top cover of the side wall of the first support table, and a start key, a stop key and a set key are arranged on the control panel; the control panel is internally provided with a microprocessor and a relay, the microprocessor receives and processes instructions sent by the control panel and controls the lifting of the hydraulic lifting column and the rotation of the first supporting platform through the relay, and the blood sampling method comprises the following steps:
1) arranging negative pressure blood sampling tubes in the storage units, arranging one negative pressure blood sampling tube in each storage unit, inputting the number of the required negative pressure blood sampling tubes and the target pressure value in the negative pressure blood sampling tubes or inputting the number of the required negative pressure blood sampling tubes and the target flow value in the blood sampling tubes through the arrangement keys, and starting the start key;
2) inserting the tissue insertion needle into human tissue, and starting blood sampling;
3) the hydraulic lifting column drives the first supporting platform to rise until the blood sampling tube is inserted into the negative pressure blood sampling tube opposite to the insertion needle head;
4) when the pressure sensor senses that the pressure in the negative pressure blood sampling tube reaches a set value or when the flow sensor senses that the flow in the negative pressure blood sampling tube reaches a set value, under the control of the microprocessor and the relay, the hydraulic lifting column drives the first supporting table to descend until the blood sampling tube is inserted into the needle head and the negative pressure blood sampling tube is pulled out, the first supporting table rotates until the blood sampling tube is inserted into the needle head and faces the next negative pressure blood sampling tube, the hydraulic lifting column drives the first supporting table to ascend until the blood sampling tube is inserted into the opposite negative pressure blood sampling tube, and blood sampling is started;
5) and repeating the step 4) until the pressure in the last negative pressure blood sampling tube reaches a set value or the flow in the blood sampling tube reaches a set value, and descending the first support platform under the drive of the hydraulic lifting column until the blood sampling tube is inserted into the needle head and the negative pressure blood sampling tube is pulled out, so that blood sampling is finished.
In the prior art, when a large amount of blood is required to be collected, medical staff need to bend to continuously work for 5-15 minutes, and the problem is effectively solved by adopting the scheme.
When the target pressure and the target flow of all the negative pressure blood sampling tubes are consistent, the target pressure and the target flow can be set uniformly, and when the target pressure and the target flow are inconsistent, the target pressure and the target flow need to be set respectively.
The required power of the used device of this application blood sampling can adopt rechargeable, battery or plug in forms such as power, prefers, adopts the combination of aforementioned three kinds of forms, and convenient to use like this, the setting mode and the connected mode etc. of power and power all refer to current conventional technology can, and this application does not have special improvement to the power part of device, therefore does not do not describe in excess.
As another scheme of the application, the blood sampling device further comprises a control panel, wherein the control panel is arranged on the support column or on the side wall of the first support table or on a top cover of the side wall of the first support table, and a start key, a stop key and a setting key are arranged on the control panel; the control panel is internally provided with a microprocessor, a relay and a flow controller, or the control panel is internally provided with a microprocessor, a relay and a pressure controller, the microprocessor receives and processes an instruction sent by the control panel, controls the lifting of the hydraulic lifting column and the rotation of the first supporting platform through the relay, controls the flow in the negative pressure blood sampling pipe through the flow controller, or controls the pressure in the negative pressure blood sampling pipe through the pressure controller, and the blood sampling method comprises the following steps:
1) arranging negative pressure blood sampling tubes in the storage units, arranging one negative pressure blood sampling tube in each storage unit, inputting the number of the required negative pressure blood sampling tubes and a target flow value in the negative pressure blood sampling tubes or inputting the number of the required negative pressure blood sampling tubes and a target pressure value in the blood sampling tubes through the arrangement keys, and starting the start key;
2) inserting the tissue insertion needle into human tissue, and starting blood sampling;
3) the hydraulic lifting column drives the first supporting platform to rise until the blood sampling tube is inserted into the negative pressure blood sampling tube opposite to the insertion needle head;
4) when the flow in the negative pressure blood sampling tube reaches a set value or the pressure in the negative pressure blood sampling tube reaches a set value, under the control of a microprocessor and a relay, a hydraulic lifting column drives a first supporting platform to descend until the blood sampling tube is inserted into a needle head and the negative pressure blood sampling tube is pulled out, the first supporting platform rotates until the blood sampling tube is inserted into the needle head and faces the next negative pressure blood sampling tube, and the hydraulic lifting column drives the first supporting platform to ascend until the blood sampling tube is inserted into the opposite negative pressure blood sampling tube, so that blood sampling is started;
5) and repeating the step 4) until the flow in the last negative pressure blood sampling tube reaches a set value or the pressure in the blood sampling tube reaches a set value, and descending the first support platform under the drive of the hydraulic lifting column until the blood sampling tube is inserted into the needle head and the negative pressure blood sampling tube is pulled out, so that blood sampling is finished.
The method does not need to install a pressure sensor or a flow sensor on the needle head.
The technology not mentioned in the present invention refers to the prior art.
The blood sampling device of the utility model effectively avoids the confusion during the large amount of blood sampling, reduces the workload, and improves the accuracy of detection and the blood sampling efficiency; furthermore, the tube taking of the negative pressure blood sampling tube is facilitated during detection; furthermore, the automatic blood sampling device has the advantages of simple structure, convenience in blood sampling, great reduction in the working intensity of medical personnel and easiness in popularization.
Drawings
Fig. 1 is a schematic structural view of a blood sampling device according to embodiment 3 of the present invention (only one storage unit is shown, and the others are omitted);
FIG. 2 is a schematic structural view of a blood collection device according to embodiment 8 of the present invention (only one storage unit is shown, and others are omitted, while the needle tube and the tissue insertion needle are omitted);
fig. 3 is a schematic structural view of a blood sampling device according to embodiment 9 of the present invention;
in the figure, 1 is the base, 2 is the first supporting bench, 3 is the negative pressure blood sampling pipe, 4 is the retainer plate, 5 is the support column, 6 is the lateral wall, 7 is the top cap, 8 is the needle tubing, 9 is the tissue syringe needle, 10 is the blood sampling pipe syringe needle, 11 is the hydraulic pressure lift post, 12 is the second supporting bench, 13 is control panel, 14 is the blood sampling pipe syringe needle mount.
Detailed Description
For a better understanding of the present invention, the following examples are provided to further illustrate the present invention, but the present invention is not limited to the following examples.
Example 1
As shown in the figure, the blood sampling device comprises a base, a rotating shaft, a first supporting platform and a blood sampling needle;
the first supporting table is of a circular structure, more than one circle of storage grids are arranged on the first supporting table, and the storage grids and the first supporting table are arranged concentrically; each circle of storage grids comprises more than two storage units, and a negative pressure blood sampling tube is arranged in each storage unit;
the blood taking needle comprises a needle tube, a tissue insertion needle head arranged at one end of the needle tube and a blood taking tube insertion needle head arranged at the other end of the needle tube;
the upper surface at the base is established to the pivot, and the bottom of first supporting bench rotates to be connected in the pivot.
The blood sampling method of the device comprises the following steps: putting a negative pressure blood sampling tube into each storage unit, inserting a tissue insertion needle into human tissue, inserting the blood sampling tube insertion needle of a blood sampling needle into the negative pressure blood sampling tube of one storage unit of the outermost or innermost storage grid, sampling blood, pulling out the blood sampling tube insertion needle to be inserted into the next negative pressure blood sampling tube of the same circle of storage grid to continue sampling blood after the blood volume in the negative pressure blood sampling tube reaches a target value, and repeating the steps in the same way, and sampling blood in the adjacent storage grids according to the same method after all the negative pressure blood sampling tubes of the circle of storage grid are sampled, until a specified number of negative pressure blood sampling tubes are sampled. When the patient need a large amount of blood samplings, same patient can use the negative pressure heparin tube on a first supporting platform, consequently only need to number first supporting platform can, effectively avoided the confusion, reduced work load, improved the accuracy and the blood sampling efficiency that detect.
Example 2
On the basis of the embodiment 1, the following improvements are further made: in order to facilitate use and meet general requirements at the same time, a circle of storage grids are arranged on the periphery of the first supporting table.
Example 3
On the basis of the embodiment 2, the following improvements are further made: the inboard of storage check is equipped with the support column on the first supporting station, and the support column is located first supporting station central authorities, all is equipped with the retainer plate directly over every cambered surface recess, and a little connection on the retainer plate lateral wall is on the lateral wall of support column. Adopt this scheme, the getting of negative pressure blood sampling pipe when conveniently detecting is managed.
Example 4
On the basis of the embodiment 3, the following improvements are further made: in order to improve the stability of using, form effectual protection to the negative pressure blood sampling pipe simultaneously, the bottom of every storage unit all is equipped with the cambered surface recess, and cambered surface recess surface is equipped with the elastic layer.
Example 5
On the basis of the embodiment 4, the following improvements are further made: in order to facilitate use and reduce the workload of medical staff, the blood sampling device also comprises a hydraulic lifting column and a second supporting table, the second supporting table is positioned under the base, one axial end of the hydraulic lifting column is connected to the second supporting table, and the other axial end of the hydraulic lifting column is connected to the base; the support column is provided with a blood sampling tube insertion needle fixing frame, and the blood sampling tube insertion needle is vertically and downwards movably connected to the central position right above one of the storage units through the needle fixing frame.
Adopt above-mentioned structure, the lift of accessible hydraulic pressure lift post is accomplished the insertion and the extraction of heparin tube insertion needle, rotate first supporting station and make heparin tube insert the syringe needle and aim at the negative pressure heparin tube, hydraulic pressure lift post drives first supporting station upward movement and inserts in the negative pressure heparin tube to heparin tube insertion needle, when a negative pressure heparin tube blood sampling is accomplished, hydraulic pressure lift post drives first supporting station downstream and extracts the negative pressure heparin tube to heparin tube insertion needle, analogize in proper order, accomplish the blood sampling.
Example 6
On the basis of the embodiment 5, the following improvements are further made: in order to further accurate control blood sampling volume, above-mentioned blood sampling device still includes the pjncture needle, is equipped with the negative pressure inductor on the pjncture needle, and the pjncture needle passes through the perpendicular downward connection of syringe needle mount and directly over the storage unit, and pjncture needle and heparin tube insert the syringe needle just to same storage unit.
Example 7
On the basis of the embodiment 5, the following improvements are further made: as another preferable aspect of the present invention, the blood collection tube insertion needle is provided with a pressure sensor for further accurately controlling the amount of collected blood.
Example 8
On the basis of the embodiment 7, the following improvements are further made: in order to improve the efficiency and further reduce the workload of medical staff, the blood sampling device also comprises a control panel, the control panel is arranged on the support column, and a start key, a stop key and a setting key are arranged on the control panel; the control panel is internally provided with a microprocessor and a relay, the microprocessor receives and processes instructions sent by the control panel and controls the lifting of the hydraulic lifting column and the rotation of the first supporting platform through the relay, and the blood sampling method comprises the following steps:
1) inputting the number of required negative pressure blood sampling tubes and a target pressure value 0 in the negative pressure blood sampling tubes through a set key, and starting a start key;
2) inserting the tissue insertion needle into human tissue, and starting blood sampling;
3) the hydraulic lifting column drives the first supporting platform to rise until the blood sampling tube is inserted into the negative pressure blood sampling tube opposite to the insertion needle head;
4) when the pressure sensor senses that the pressure in the negative pressure blood sampling tube reaches a set value, the hydraulic lifting column drives the first supporting platform to descend until the blood sampling tube is inserted into the needle head and the negative pressure blood sampling tube is pulled out, the first supporting platform rotates until the blood sampling tube is inserted into the needle head and is opposite to the next negative pressure blood sampling tube, the hydraulic lifting column drives the first supporting platform to ascend until the blood sampling tube is inserted into the opposite negative pressure blood sampling tube, and blood sampling is started;
5) and repeating the step 4) until the pressure in the last negative pressure blood collection tube reaches a set value, and descending the first support platform under the drive of the hydraulic lifting column until the blood collection tube is inserted into the needle head and the negative pressure blood collection tube is pulled out, so as to finish blood collection.
Example 9
On the basis of the embodiment 2, the following improvements are further made: the first supporting table is provided with a side wall along the periphery, the storage grids are arranged along the side wall of the first supporting table, and each storage unit is of a barrel-shaped structure comprising the side wall; the top of the side wall of the first supporting platform is movably connected with a top cover.
Example 10
On the basis of the embodiment 9, the following improvements are further made: in order to improve the stability of using, form effectual protection to the negative pressure heparin tube simultaneously, every storage unit bottom all is equipped with the cambered surface recess, and the surface of cambered surface recess is equipped with the elastic layer.
Example 11
On the basis of the embodiment 10, the following improvements are further made: in order to facilitate use and reduce the workload of medical staff, the blood sampling device also comprises a hydraulic lifting column and a second supporting table, the second supporting table is positioned under the base, one axial end of the hydraulic lifting column is connected to the second supporting table, and the other axial end of the hydraulic lifting column is connected to the base;
the inner side of the side wall of the first supporting platform is provided with a blood sampling tube insertion needle fixing frame, the top cover is provided with a blood sampling hole, and the blood sampling tube insertion needle passes through the blood sampling hole and is vertically and downwards movably connected to the central position right above one of the storage units through the needle fixing frame.
Adopt above-mentioned structure, the lift of accessible hydraulic pressure lift post is accomplished the insertion and the extraction of heparin tube insertion needle, rotate first supporting station and make heparin tube insert the syringe needle and aim at the negative pressure heparin tube, hydraulic pressure lift post drives first supporting station upward movement and inserts in the negative pressure heparin tube to heparin tube insertion needle, when a negative pressure heparin tube blood sampling is accomplished, hydraulic pressure lift post drives first supporting station downstream and extracts the negative pressure heparin tube to heparin tube insertion needle, analogize in proper order, accomplish the blood sampling.
Example 12
On the basis of the embodiment 11, the following improvements are further made: in order to further accurate control blood sampling volume, above-mentioned blood sampling device still includes the pjncture needle, is equipped with the negative pressure inductor on the pjncture needle, and the pjncture needle passes through the perpendicular downward connection of syringe needle mount and directly over the storage unit, and pjncture needle and heparin tube insert the syringe needle just to same storage unit.
Example 13
On the basis of the embodiment 11, the following improvements are further made: in order to further accurately control the blood sampling amount, the blood sampling tube insertion needle is provided with a pressure sensor.
Example 14
On the basis of the embodiment 13, the following improvements are further made: in order to improve the efficiency and further reduce the workload of medical staff, the blood sampling device also comprises a control panel, the control panel is arranged on the side wall of the first supporting platform or on the top cover of the side wall of the first supporting platform, and the control panel is provided with a start key, a stop key and a setting key; the control panel is internally provided with a microprocessor and a relay, the microprocessor receives and processes instructions sent by the control panel and controls the lifting of the hydraulic lifting column and the rotation of the first supporting platform through the relay, and the blood sampling method comprises the following steps:
1) inputting the number of required negative pressure blood sampling tubes and a target pressure value in the negative pressure blood sampling tubes through a set key, and starting a start key;
2) inserting the tissue insertion needle into human tissue, and starting blood sampling;
3) the hydraulic lifting column drives the first supporting platform to rise until the blood sampling tube is inserted into the negative pressure blood sampling tube opposite to the insertion needle head;
4) when the pressure sensor senses that the pressure in the negative pressure blood sampling tube reaches a set value, the hydraulic lifting column drives the first supporting platform to descend until the blood sampling tube is inserted into the needle head and the negative pressure blood sampling tube is pulled out, the first supporting platform rotates until the blood sampling tube is inserted into the needle head and is opposite to the next negative pressure blood sampling tube, the hydraulic lifting column drives the first supporting platform to ascend until the blood sampling tube is inserted into the opposite negative pressure blood sampling tube, and blood sampling is started;
5) and repeating the step 4) until the pressure in the last negative pressure blood collection tube reaches a set value, and descending the first support platform under the drive of the hydraulic lifting column until the blood collection tube is inserted into the needle head and the negative pressure blood collection tube is pulled out, so as to finish blood collection.
By adopting the scheme, medical personnel can keep a relatively relaxed and free state.
Example 15
On the basis of the embodiment 11, the following improvements are further made: the blood sampling device also comprises a control panel, wherein the control panel is arranged on the support column or on the side wall of the first support table or on a top cover of the side wall of the first support table, and a start key, a stop key and a setting key are arranged on the control panel; the control panel is internally provided with a microprocessor, a relay and a flow controller, or the control panel is internally provided with a microprocessor, a relay and a pressure controller, the microprocessor receives and processes an instruction sent by the control panel, controls the lifting of the hydraulic lifting column and the rotation of the first supporting platform through the relay, controls the flow in the negative pressure blood sampling pipe through the flow controller, or controls the pressure in the negative pressure blood sampling pipe through the pressure controller, and the blood sampling method comprises the following steps:
1) inputting the number of required negative pressure blood sampling tubes and a target flow value in the negative pressure blood sampling tubes or inputting the number of required negative pressure blood sampling tubes and a target pressure value in the blood sampling tubes through a set key, and starting a start key;
2) inserting the tissue insertion needle into human tissue, and starting blood sampling;
3) the hydraulic lifting column drives the first supporting platform to rise until the blood sampling tube is inserted into the negative pressure blood sampling tube opposite to the insertion needle head;
4) when the flow in the negative pressure blood sampling tube reaches a set value or the pressure in the negative pressure blood sampling tube reaches a set value, under the control of a microprocessor and a relay, a hydraulic lifting column drives a first supporting platform to descend until the blood sampling tube is inserted into a needle head and the negative pressure blood sampling tube is pulled out, the first supporting platform rotates until the blood sampling tube is inserted into the needle head and faces the next negative pressure blood sampling tube, and the hydraulic lifting column drives the first supporting platform to ascend until the blood sampling tube is inserted into the opposite negative pressure blood sampling tube, so that blood sampling is started;
5) and repeating the step 4) until the flow in the last negative pressure blood sampling tube reaches a set value or the pressure in the blood sampling tube reaches a set value, and descending the first support platform under the drive of the hydraulic lifting column until the blood sampling tube is inserted into the needle head and the negative pressure blood sampling tube is pulled out, so that blood sampling is finished.
The blood sampling device in each example effectively avoids confusion during large-scale blood sampling, reduces workload, and improves detection accuracy and blood sampling efficiency; furthermore, the tube taking of the negative pressure blood sampling tube is facilitated during detection; furthermore, the automatic blood sampling device has the advantages of simple structure, convenience in blood sampling, great reduction in the working intensity of medical personnel and easiness in popularization.
Claims (10)
1. A blood collection device characterized by: comprises a base, a rotating shaft, a first supporting platform and a blood taking needle;
the first supporting table is of a circular structure, more than one circle of storage grids are arranged on the first supporting table, and the storage grids and the first supporting table are arranged concentrically; each circle of storage grid comprises more than two storage units;
the blood taking needle comprises a needle tube, a tissue insertion needle head arranged at one end of the needle tube and a blood taking tube insertion needle head arranged at the other end of the needle tube;
the upper surface at the base is established to the pivot, and the bottom of first supporting bench rotates to be connected in the pivot.
2. The lancing device of claim 1, wherein: a circle of storage grids are arranged on the first supporting platform along the periphery; the inboard of storage check is equipped with the support column on the first supporting station, and the support column is located first supporting station central authorities, all is equipped with the retainer plate directly over every cambered surface recess, and a little connection on the retainer plate lateral wall is on the lateral wall of support column.
3. The lancing device of claim 2, wherein: the bottom of each storage unit is provided with an arc groove, and the surface of the arc groove is provided with an elastic layer.
4. The lancing device of claim 1, wherein: a circle of storage grids are arranged on the first supporting platform along the periphery; the first supporting table is provided with a side wall along the periphery, the storage grids are arranged along the side wall of the first supporting table, and each storage unit is of a barrel-shaped structure comprising the side wall; the top of the side wall of the first supporting platform is movably connected with a top cover.
5. The lancing device of claim 4, wherein: the bottom of each storage unit is provided with an arc groove, and the surface of each arc groove is provided with an elastic layer.
6. The lancing device according to any one of claims 2 to 5, wherein: the hydraulic lifting column is characterized by further comprising a hydraulic lifting column and a second supporting table, wherein the second supporting table is located right below the base, one axial end of the hydraulic lifting column is connected to the second supporting table, and the other axial end of the hydraulic lifting column is connected to the base;
a blood sampling tube insertion needle fixing frame is arranged on the supporting column or on the inner side of the side wall of the first supporting platform, and when the blood sampling tube insertion needle fixing frame is arranged on the supporting column, the blood sampling tube insertion needle is vertically and downwards movably connected to the central position right above one storage unit through the needle fixing frame; when the inner side of the side wall of the first supporting platform is provided with a blood sampling tube inserting needle fixing frame, the top cover is provided with a blood sampling hole, and the blood sampling tube inserting needle passes through the blood sampling hole and is vertically and downwards movably connected to the central position right above one of the storage units through the needle fixing frame.
7. The lancing device of claim 6, wherein: still include the pjncture needle, be equipped with the negative pressure inductor on the pjncture needle, the pjncture needle passes through the perpendicular downward connection of syringe needle mount and is directly over storage unit, and pjncture needle and heparin tube insert syringe needle are just to same storage unit.
8. The lancing device of claim 6, wherein: the blood sampling tube inserting needle is provided with a pressure sensor or a flow sensor.
9. The lancing device of claim 8, wherein: the control panel is arranged on the support column or on the side wall of the first support table or on a top cover of the side wall of the first support table, and a start key, a stop key and a setting key are arranged on the control panel; the microprocessor receives and processes the instruction sent by the control panel, and controls the lifting of the hydraulic lifting column and the rotation of the first supporting platform through the relay.
10. The lancing device of claim 6, wherein: the control panel is arranged on the support column or on the side wall of the first support table or on a top cover of the side wall of the first support table, and a start key, a stop key and a setting key are arranged on the control panel; the control panel is internally provided with a microprocessor, a relay and a flow controller, or the control panel is internally provided with a microprocessor, a relay and a pressure controller, the microprocessor receives and processes instructions sent by the control panel, controls the lifting of the hydraulic lifting column and the rotation of the first supporting platform through the relay, and controls the flow in the negative pressure blood sampling tube through the flow controller, or controls the pressure in the negative pressure blood sampling tube through the pressure controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254617.4U CN209951274U (en) | 2019-02-28 | 2019-02-28 | Blood sampling device |
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| CN201920254617.4U CN209951274U (en) | 2019-02-28 | 2019-02-28 | Blood sampling device |
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| CN201920254617.4U Expired - Fee Related CN209951274U (en) | 2019-02-28 | 2019-02-28 | Blood sampling device |
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- 2019-02-28 CN CN201920254617.4U patent/CN209951274U/en not_active Expired - Fee Related
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