CN111904438B - Automatic blood sampling and blood detection integrated machine and blood sampling method - Google Patents
Automatic blood sampling and blood detection integrated machine and blood sampling method Download PDFInfo
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- CN111904438B CN111904438B CN202010927354.6A CN202010927354A CN111904438B CN 111904438 B CN111904438 B CN 111904438B CN 202010927354 A CN202010927354 A CN 202010927354A CN 111904438 B CN111904438 B CN 111904438B
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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
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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
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
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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
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
Abstract
The invention discloses an automatic blood sampling and blood detection integrated machine, wherein a storage feeding mechanism and a transfer conveyer belt are respectively arranged at two sides of a blood sampling arm, the storage feeding mechanism is far away from a vascular probe, the transfer conveyer belt is positioned above the vascular probe, the storage feeding mechanism is used for transferring a blood collecting vessel of an empty bottle into the blood sampling arm, the transfer conveyer belt is arranged at the upper end of the blood sampling arm, the blood collecting vessel is automatically separated from a needle head in the process of moving upwards to the transfer conveyer belt after blood sampling is finished, the blood collecting vessel is automatically dropped to the transfer conveyer belt, and the direction of a pipe orifice of the blood collecting vessel is adjusted on the transfer conveyer belt to be opposite to a blood detector for detection operation; the invention realizes the integration of the whole functions of loading of the blood sampling tube, blood sampling action, needle removal and blood sampling transmission detection, does not need more manual work in the whole blood sampling process, has high automation degree and better safety performance, can autonomously realize needle removal operation, and avoids the phenomenon of cross contamination caused by puncture of human bodies due to small needle disassembly space and poor convenience.
Description
Technical Field
The invention relates to the technical field of automatic blood sampling machines, in particular to an automatic blood sampling and blood detection integrated machine and a blood sampling method.
Background
In places such as hospital, blood collection station, it is more to be taken a blood sample the object quantity, needs medical personnel to work for a long time, and this kind of long-time repeated blood sampling operation for medical personnel are in the state that the high concentration of energy for a long time, produce fatigue easily, lead to unexpected medical malpractice to appear.
In order to save manpower and reduce medical errors, a blood sampling robot special for replacing medical staff to take blood for patients appears, the automatic blood sampling robot utilizes an infrared camera to master the shape and the position of a blood vessel, searches for a position suitable for blood sampling, and then inserts a needle head arranged on the robot into the blood vessel.
The traditional automatic blood sampling machine only needs to replace manual work to search the position of a blood vessel and finish the operation of blood sampling, the manual work is needed to participate in the loading of a blood collecting vessel and the manual transfer of the blood collecting vessel finished by blood sampling to the blood detection machine for blood detection, although the automatic blood sampling machine is additionally provided with a blood collecting vessel automatic loading mechanism, the needle pulling work after blood sampling and the blood collecting vessel transfer operation still need to be finished manually, an integrated device for pulling and transferring the blood sampling needle is lacked, therefore, the existing blood sampling machine and the blood detection function are mutually independent, the application of the blood sampling machine does not greatly improve the blood sampling efficiency, and the existing blood sampling machine is in the process of loading and disassembling the needle, because the loading space of a robot is narrow, the needle is inconvenient to assemble and disassemble, and easily punctures a human body to cause cross contamination.
Disclosure of Invention
The invention aims to provide an automatic blood sampling and blood detection all-in-one machine and a blood sampling method, and aims to solve the technical problems that an integrated device for pulling out and transferring a blood sampling needle head is lacked, the blood sampling efficiency is still slow, the needle head is inconvenient to assemble and disassemble, and a human body is easily punctured to cause cross contamination in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an automatic blood sampling and blood detection integrated machine comprises a blood sampling arm with multiple degrees of freedom and a vascular probe installed on the blood sampling arm, wherein a storage feeding mechanism and a transfer conveying belt are respectively arranged on two sides of the blood sampling arm, the storage feeding mechanism is far away from the vascular probe, the transfer conveying belt is positioned above the vascular probe, the storage feeding mechanism is used for transferring a blood collecting vessel of an empty bottle into the blood sampling arm, the transfer conveying belt is arranged at the upper end of the blood sampling arm, and the transfer conveying belt transmits the blood collecting vessel after blood sampling to a blood detector for detection;
the storage feeding mechanism comprises a storage box fixedly connected to the blood sampling arm and a butt joint track arranged below the storage box, a blood collecting vessel transfer unit and a blood collecting needle guide unit are arranged in the blood collecting arm, the blood collecting vessel in the storage box slides to the blood collecting vessel transfer unit through the butt joint track, and the needle head of the blood collection vessel is transferred to the needle head fixing seat at the lower end of the blood collection arm through the blood collection needle guide unit to carry out blood collection, after the blood collection is finished, the blood collection vessel transfer unit drives the blood collection vessel to automatically separate from the needle head in the process of moving upwards, the blood collecting vessel automatically falls off to the transfer conveyer belt at the upper end of the blood collecting vessel transfer unit, and the blood collection tube adjusts the direction of the tube opening on the transfer conveying belt to be over against the blood detector for detection operation.
As a preferable scheme of the present invention, a side of the interior of the case body of the storage case, which is far away from the blood sampling arm, is connected with a limiting push plate through a compression spring, a discharge port is arranged at a mounting position of a bottom plate of the storage case, which is close to the blood sampling arm, a push cylinder is arranged at an upper end of the storage case, which faces the discharge port, the limiting push plate continuously pushes the blood collection pipe towards the discharge port, the push cylinder pushes the blood collection pipe transferred to the discharge port down into the docking pipeline at regular time, and the blood collection pipe converts gravitational potential energy into kinetic energy in the docking pipeline and freely slides to the blood collection pipe transfer unit.
As a preferable scheme of the present invention, the blood collection vessel transferring unit includes a first driving wheel set and a second driving wheel set vertically disposed inside the blood collection arm, a conveying chain is sleeved on outer surfaces of the first driving wheel set and the second driving wheel set, the first driving wheel set and the second driving wheel set drive the conveying chain to intermittently and circularly rotate along a forward direction and a reverse direction so as to pull the needle from the docking track to the blood collection vessel guiding unit, a maximum counterclockwise rotation displacement of the first driving wheel set and the second driving wheel set is a length of a hose between the needle and the blood collection vessel, a plurality of evenly distributed bearing splints for receiving the blood collection vessel are disposed on the conveying chain, the bearing splints include an extrusion cover plate fixedly mounted on the conveying chain, and a movable bottom plate movably hinged on the conveying chain, the length of the extrusion cover plate is smaller than that of the movable bottom plate, a return spring is arranged between the extrusion cover plate and the movable bottom plate, and the extrusion cover plate is connected with the movable bottom plate through the elastic connection of the return spring to fixedly clamp and movably release the blood collection tube.
As a preferable scheme of the present invention, the docking track includes a vertical acceleration section and an inclined bending section, the vertical acceleration section is fixedly connected to the discharge port, the inclined bending section is fixedly connected to the vertical acceleration section, a panel of the inclined bending section is inclined, a clamping direction of the bearing splint is the same as an inclined direction of the inclined bending section, and a needle end of the blood collection tube is higher than a bottom end of the blood collection tube when the blood collection tube is transferred to the bearing splint.
As a preferable scheme of the present invention, the tail end of the inclined bending section is inserted into the blood sampling arm, and a protruding portion of the inclined bending section located inside the blood sampling arm abuts against the movable bottom plate to increase a clamping space between the extrusion cover plate and the movable bottom plate, the blood collection vessel is transferred into the movable bottom plate through the vertical acceleration section and the inclined bending section, and the movable bottom plate fixedly clamps the blood collection vessel between the movable bottom plate and the extrusion cover plate under the driving of the return spring.
As a preferable scheme of the present invention, the diameter of the first driving wheel set is greater than the diameter of the second driving wheel set, the second driving wheel set coincides with a vertical tangent line of the first driving wheel set near a side of the magazine, a curved baffle for limiting a running path of the conveying chain is disposed on an inner surface of the blood sampling arm, the curved baffle limits the conveying chain to surround the first driving wheel set, the conveying chain is sequentially divided into a lower surrounding section, a first vertical section, an upper surrounding section, a curved transition section and a second vertical section by the curved baffle, a curvature radius at a junction of the upper surrounding section and the curved transition section is the largest, and an opening direction of the bearing clamp plate at the junction of the upper surrounding section and the curved transition section is inclined downward.
As a preferable mode of the present invention, an outlet opening is provided on an inner surface of the blood collection arm at a junction of the upper surrounding section and the curved transition section, a baffle is provided on an upper edge of the outlet opening on the inner surface of the blood collection arm, the movable bottom plate increases a distance with the extrusion cover plate under the action of the baffle to release the blood collection vessel, an extension slide plate is provided on a bottom edge of the outlet opening on an outer surface of the blood collection arm, and the blood collection vessel falls from the outlet opening and moves to the transfer conveyor belt along the extension slide plate.
In order to solve the above technical problems, the present invention further provides the following technical solutions: a blood sampling method of an automatic blood sampling and blood detection integrated machine comprises the following steps:
100, numbering according to the sequence, placing blood collecting tubes in the storage box, simultaneously driving a conveying chain to rotate by using a driving wheel set, and regularly sliding the blood collecting tubes in the storage box along a butt joint track and transferring the blood collecting tubes to the conveying chain;
200, driving the conveying chain to move upwards to the length of the needle tube by the driving wheel set, then moving downwards to the position of the butt joint track again, clamping the needle head to the needle head fixing seat by using the blood taking needle guiding unit, integrally rotating the blood taking arm to a needle head inclined state, fixing the blood taking needle and displacing under linear driving to finish blood taking work;
step 300, pulling out the needle head and controlling the blood sampling arm to return, and driving the conveying chain to move upwards again by the driving wheel set until the blood sampling needle is separated from the blood collection tube so as to automatically recover the blood sampling needle;
step 400, the conveying chain fixedly clamps the blood collecting vessel and continuously transfers the blood collecting vessel upwards, the blood collecting vessel automatically falls off when being transferred to a junction position of the blood collecting vessel and the transfer conveying belt, and the blood collecting vessel moves to the transfer conveying belt through the sliding plate;
step 500, the blood collecting tube is adjusted to the vertical direction by the transfer conveying belt and transferred to the blood detector for blood analysis operation.
As a preferable aspect of the present invention, in the step 100, an elastic splint for clamping the blood collection vessel is disposed on the conveying chain, and when the elastic splint rotates to the docking track, the elastic splint is spread under the action of a gear of the docking track to receive the blood collection vessel, and the specific implementation steps are as follows:
the elastic clamping plate rotates to the butt joint track under the action of the conveying chain;
the movable sub-plates of the elastic splint are blocked to enlarge the space between the splints for receiving the blood collecting vessel;
the two plate angles of the elastic clamping plate are increased to a specific angle and automatically reset so as to fixedly clamp the blood collecting pipe.
As a preferable scheme of the present invention, in step 400, the diameter of the driving wheel set at the lower end of the conveying chain is smaller than the diameter of the driving wheel set at the upper end of the conveying chain, wherein the edges of the driving wheel set at the lower end and the driving wheel set at the upper end, which are close to the magazine, are on the same vertical line, the opening of the elastic clamping plate at the position of the maximum curvature of the driving wheel set at the upper end is inclined downward, and the position of the driving wheel set at the upper end is disengaged, which is specifically implemented as follows:
a release baffle is arranged at the maximum curvature position of the driving wheel set at the upper end;
the release baffle props against the movable split plate of the elastic clamping plate, and the movable split plate drives the two plate angles of the elastic clamping plate to increase;
the elastic clamping plate integrally rotates to the opening and inclines downwards, and the blood collecting pipe slides to the transfer conveying belt under the action of gravity.
Compared with the prior art, the invention has the following beneficial effects:
the invention realizes the integration of the whole functions of loading the blood sampling tube, blood sampling action, needle removal and blood sampling transmission detection, does not need more manual work in the whole blood sampling process, has high automation degree, avoids loading the blood sampling tube for a plurality of times, thereby avoiding the cross contamination in the blood sampling tube loading process, has better safety performance, can autonomously realize needle removal operation, and avoids the phenomenon of human body cross contamination caused by small needle disassembly space and poor convenience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic view of the overall structure of an automatic blood collecting machine according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a storage and loading mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a blood collection vessel transfer unit provided in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a load-bearing clamp plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a curved baffle according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of a blood collection and detection method according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a blood sampling arm; 2-storing the feeding mechanism; 3-transferring the conveyer belt; 4-blood collecting vessel; 5-a blood collection vessel transfer unit; 6-a lancet guiding unit; 7-needle head fixing seat; 8-compression spring; 9-a limiting push plate; 10-a discharge hole; 11-a pushing cylinder; 12-a load-bearing splint; 13-a projection; 14-an outlet tube opening; 15-a baffle; 16-an extension sled; 17-curved surface baffle;
201-a storage case; 202-docking a rail;
2021-vertical speed increasing section; 2022-oblique bend section;
501-a first driving wheel group; 502-a second set of drive wheels; 503-conveying chain; 1201-pressing the cover plate; 1202-a movable floor; 1203-a return spring;
5031-lower surround section; 5032-a first vertical segment; 5033-upper surrounding segment; 5034-curved transition piece; 5035-second vertical segment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides an automatic blood sampling and blood testing integrated machine, in which the needle removal operation and blood collection vessel transfer operation after blood sampling still need to be manually completed, and an integrated device for removing and transferring the blood sampling needle is absent, so that the blood sampling machine and the blood testing function are independent from each other, and the blood sampling efficiency is not greatly improved when the blood sampling machine is applied, and therefore, an automatic blood sampling and blood testing integrated machine with blood collection vessel loading, needle guiding and positioning, needle automatic detachment, and blood collection vessel automatic transfer is required.
Specifically including blood sampling arm 1 that has multi freedom and installing the vascular probe on blood sampling arm 1, the both sides of blood sampling arm 1 are equipped with storage feed mechanism 2 and transfer conveyer belt 3 respectively, wherein storage feed mechanism 2 keeps away from vascular probe, transfer conveyer belt 3 is located vascular probe's top, storage feed mechanism 2 is used for shifting the blood collection vessel 4 of empty bottle to blood sampling arm 1 in, transfer conveyer belt 3 and set up the upper end at blood sampling arm 1, and transfer conveyer belt 3 and transmit blood collection vessel 4 that the blood sampling was accomplished to the blood detector and detect.
As shown in fig. 2, the storage feeding mechanism 2 includes a storage box 201 fixedly connected to the blood collection arm 1, and a docking track 202 disposed below the storage box 201, a blood collection vessel transfer unit 5 and a blood collection needle guide unit 6 are disposed inside the blood collection arm 1, a blood collection vessel 4 inside the storage box 201 slides to the blood collection vessel transfer unit 5 through the docking track 202, a needle of the blood collection vessel 4 is transferred to a needle fixing seat 7 at the lower end of the blood collection arm 1 through the blood collection needle guide unit 6 to perform blood collection operation, the blood collection vessel transfer unit 5 automatically separates the blood collection vessel 4 from the needle in a process of driving the blood collection vessel 4 to move upwards after blood collection is completed, the blood collection vessel 4 automatically falls off to the transfer conveyor belt 3 at the upper end of the blood collection vessel transfer unit 5, and the blood collection vessel 4 adjusts a direction of a tube opening on the transfer conveyor belt.
The inside side of keeping away from blood sampling arm 1 of box body of storage box 201 is connected with spacing push pedal 9 through compression spring 8, and the bottom plate of storage box 201 is equipped with discharge gate 10 at the mounted position that is close to blood sampling arm 1, the upper end of storage box 201 is just being equipped with push cylinder 11 to the top of discharge gate 10, spacing push pedal 9 lasts and promotes blood collection vessel 4 to discharge gate 10, and push cylinder 11 regularly will shift to push down to docking pipeline 202 in blood collection vessel 4 of discharge gate 10, blood collection vessel 4 turns into kinetic energy and free slip to blood collection vessel transfer unit 5 with gravitational potential energy in docking pipeline 202.
The loading of blood collection vessel and blood taking needle is often utilized to artifical the carrying out of current blood sampling machine, and consequently degree of automation is low, still needs artifical the participation to assist the blood sampling, and for the degree of automation that prior art improved blood sampling machine relatively, this embodiment utilizes storage box 201 automatic to carry out the blood sampling with blood collection vessel and loads, and specific realization step is:
firstly, the position of a limit push plate 9 is limited by the resilience resetting function of a compression spring 8;
then, the blood collecting tube 4 is continuously shifted to the discharge hole 10 under the action of the limiting push plate 9, and the blood collecting tube 4 is released at regular time under the action of the pushing cylinder 11;
finally, the blood collection pipe 4 obtains original kinetic energy under the action of the pushing cylinder 11, the blood collection pipe 4 slides to the blood collection pipe transfer unit 5 along the connecting pipe 202, and gravitational potential energy is converted into kinetic energy.
In combination with practical application, the patient information label is pasted on the surface of the blood collection vessel 4 in the embodiment, so that automatic blood collection can be performed on a plurality of patients at one time without manual participation, and compared with the conventional blood collection operation performed on each patient by a single loading blood collection vessel 4, the blood collection efficiency is improved, and the blood collection safety is improved.
As shown in fig. 3, the blood collection vessel transferring unit 5 includes a first driving wheel set 501 and a second driving wheel set 502 vertically disposed inside the blood collection arm 1, a conveying chain 503 is sleeved on the outer surface of the first driving wheel set 501 and the second driving wheel set 502, the first driving wheel set 501 and the second driving wheel set 502 drive the conveying chain 503 to intermittently and circularly rotate along the positive and negative directions so as to pull the needle from the docking track 202 to the blood collection vessel guiding unit 6, the maximum displacement of the counterclockwise rotation of the first driving wheel set 501 and the second driving wheel set 502 is the length of the hose between the needle and the blood collection vessel 4, and a plurality of bearing splints 12 which are uniformly distributed and used for receiving the blood collection vessel 4 are disposed on the conveying chain 503.
The first driving wheel set 501 and the second driving wheel set 502 drive the conveying chain 503 to intermittently rotate in a circulating manner along the forward and reverse directions, and the specific implementation process is as follows: the blood collection tube 4 falls from the butt joint pipeline 202 to the bearing clamp plate 12, in order to ensure that the needle connected with the blood collection tube 4 is completely separated from the butt joint pipeline 202, the bearing clamp plate 12 firstly fixedly clamps the blood collection tube 4, the first driving wheel set 501 and the second driving wheel set 502 work together to drive the conveying chain 503 to rotate reversely, and the blood collection tube 4 is lifted by a certain height until the hose connected with the needle is completely separated from the butt joint pipeline 202;
then the first driving wheel set 501 and the second driving wheel set 502 work together to drive the conveying chain 503 to rotate in the forward direction, the blood collection tube 4 returns to a position with the same height as the docking pipeline 202, the needle is pulled from the docking track 202 to the blood collection needle guiding unit 6, and the blood collection needle guiding unit 6 guides the needle to be transferred to the needle fixing seat 7 for the next blood collection operation.
As shown in fig. 2, the docking track 202 includes a vertical accelerating section 2021 and an inclined bending section 2022, the vertical accelerating section 2021 is fixedly connected to the discharging opening 10, the inclined bending section 2022 is fixedly connected to the vertical accelerating section 2021, a panel of the inclined bending section 2022 is inclined, a clamping direction of the bearing splint 12 is the same as an inclined direction of the inclined bending section 2022, and a needle end of the blood collecting vessel 4 is higher than a bottom end of the blood collecting vessel 4 when the blood collecting vessel 4 is transferred to the bearing splint 12.
The front and back sides of the inclined bending section 2022 of the butt joint rail 202 are inclined, so when the blood collection tube 4 is transferred to the bearing splint 12, the needle end of the blood collection tube 4 is higher than the bottom end of the blood collection tube 4, and when the blood collection tube 4 is conveyed by the conveying chain 503 in a positive rotation mode, the needle end of the blood collection tube 4 is higher than the bottom end, so that the needle is easy to fall off.
As shown in fig. 4, the bearing splint 12 includes a pressing cover 1201 fixedly mounted on the conveying chain 503, and a movable bottom plate 1202 movably hinged on the conveying chain 503, the length of the pressing cover 1201 is smaller than that of the movable bottom plate 1202, a return spring 1203 is disposed between the pressing cover 1201 and the movable bottom plate 1202, and the pressing cover 1201 and the movable bottom plate 1203 are elastically connected through the return spring 1203 to fixedly clamp and movably release the blood collection vessel 4.
The tail end of the inclined bending section 2022 is inserted into the blood sampling arm 1, the protrusion 13 of the inclined bending section 2022 located inside the blood sampling arm 1 abuts against the movable bottom plate 1202 to increase the clamping space between the pressing cover plate 1201 and the movable bottom plate 1202, the blood collection vessel 4 is transferred into the movable bottom plate 1202 through the vertical acceleration section 2021 and the inclined bending section 2022, and the movable bottom plate 1202 is driven by the return spring 1203 to fixedly clamp the blood collection vessel 4 between the movable bottom plate 1202 and the pressing cover plate 1201.
It should be added that how the bearing splint 12 clamps the blood collecting vessel 4 sliding down from the docking conduit 202, the specific clamping principle is that the pressing cover 1201 is fixedly installed on the chain of the conveying chain 503, the movable bottom plate 1202 is movably installed on the chain of the conveying chain 503, because the length of the pressing cover 1201 is smaller than that of the movable bottom plate 1202, that is, when the bearing splint 12 is integrally displaced to the height position of the inclined bending section 2022, the movable bottom plate 1202 is blocked by the protrusion 13 to rotate, the surrounding space between the pressing cover 1201 and the movable bottom plate 1202 is increased, so as to facilitate clamping the blood collecting vessel 4 sliding down from the inclined bending section 2022.
When the conveying chain 503 continues to convey in the forward direction, the movable bottom plate 1202 is released by the protrusion 13, and the movable bottom plate 1202 is driven by the return spring 1203 to return to the fixed clamping state of the pressing cover plate 1201 and the movable bottom plate 1202.
Because the needle end of blood collection vessel 4 is higher than the bottom, therefore even when the state of needle and blood collection vessel 4 separation, blood collection vessel 4 can not be influenced and drops under the slope clamping state of bearing splint 12, thereby this embodiment realizes the automatic loading of blood collection vessel 4, the centre gripping of blood collection vessel 4 is carried and the transport testing process of blood collection vessel 4, can realize automatically that blood collection vessel 4's needle is automatic to be pulled out and is retrieved, need not artifical the participation, consequently blood sampling arm 1 also need not to leave blood collection vessel 4 needle and pulls out surplus space, degree of automation is high, and can not cause medical personnel's secondary infection when the blood sampling needle is pulled out, therefore there is creative improvement with prior art.
In addition, in order to improve the automation degree of the present embodiment, the blood collecting vessel 4 clamped on the conveying chain 503 can be automatically transferred to the top of the conveying chain 503 by the blood collecting vessel 4, and the specific implementation structure and the implementation principle are as follows:
as shown in fig. 3 and 5, the diameter of the first driving wheel set 501 is smaller than that of the second driving wheel set 502, and the second driving wheel set 502 coincides with a vertical tangent of the first driving wheel set 501 close to the side of the magazine 201, the inner surface of the blood collection arm 1 is provided with a curved baffle 13 for limiting the running path of the conveying chain 503, the curved baffle 13 limits the conveying chain 503 to surround the first driving wheel set 501, and the conveying chain 503 is divided into a lower surrounding segment 5031, a first vertical segment 5032, an upper surrounding segment 5033, a curved transition segment 5034 and a second vertical segment 5035 by the curved baffle 13 in sequence, the radius of curvature at the junction of the upper surrounding segment 5033 and the curved transition segment 5034 is largest, and the opening direction of the bearing clamp plate 12 at the junction of the upper surrounding segment 5033 and the curved transition segment 5034 is inclined downward.
Because the vertical tangent lines of the second driving wheel set 502 and the first driving wheel set 501 close to the side of the magazine 201 are overlapped, the horizontal distance between the second driving wheel set 502 and the first driving wheel set 501 close to the side of the transfer conveyor belt 3, specifically, the diameter difference between the second driving wheel set 502 and the first driving wheel set 501, is the largest, the radius of curvature of the junction between the upper surrounding segment 5033 and the curved transition segment 5034 is largest, the opening direction of the bearing clamp plate 12 at the junction between the upper surrounding segment 5033 and the curved transition segment 5034 is inclined downward, and the blood collection tube 4 is released at this position, so that the stability of the blood collection tube 4 in releasing and transferring can be improved.
The inner surface of the blood collection arm 1 is provided with an outlet tube opening 14 at the interface of the upper surrounding segment 5033 and the curved transition segment 5034, the inner surface of the blood collection arm 1 is provided with a baffle 15 at the upper edge of the outlet tube opening 14, the movable bottom plate 1202 increases the distance between the movable bottom plate and the pressing cover plate 1201 under the action of the baffle 15 to release the blood collection vessel 4, the outer surface of the blood collection arm 1 is provided with an extension sliding plate 16 at the bottom edge of the outlet tube opening 14, and the blood collection vessel 4 falls from the outlet tube opening 14 and moves to the transfer conveying belt 3 along the extension sliding plate.
In addition, as shown in fig. 6, the invention also provides a blood sampling method of the automatic blood sampling and blood detection integrated machine, which comprises the following steps:
100, numbering according to the sequence, placing blood collecting vessels in a storage box, simultaneously driving a conveying chain to rotate by using a driving wheel set, and regularly sliding the blood collecting vessels in the storage box along a butt joint track and transferring the blood collecting vessels to the conveying chain;
200, driving a wheel set to drive a conveying chain to move upwards to the length of the needle tube, then moving downwards to the position of the butt joint track again, clamping the needle head to a needle head fixing seat by using a blood taking needle guiding unit, integrally rotating a blood taking arm to a needle head inclined state, fixing the blood taking needle and linearly driving the blood taking needle to move downwards to finish blood taking work;
step 300, pulling out the needle head and controlling the blood sampling arm to return, and driving the wheel set to drive the conveying chain to move upwards again until the blood sampling needle is separated from the blood collection tube so as to automatically recover the blood sampling needle;
step 400, the conveying chain fixedly clamps the blood collecting vessel and continuously transfers the blood collecting vessel upwards, the blood collecting vessel automatically falls off when being transferred to a junction position of the blood collecting vessel and the transfer conveying belt, and the blood collecting vessel moves to the transfer conveying belt through the sliding plate;
step 500, the blood collecting tube is adjusted to the vertical direction by the transfer conveying belt and transferred to the blood detector for blood analysis operation.
In step 100, set up the elasticity splint that are used for centre gripping blood collection pipe on the conveyor chain, when elasticity splint rotated to the butt joint track, the elasticity splint was strutted in order to receive blood collection pipe under the orbital fender position effect of butt joint, and specific realization step does:
the elastic clamping plate rotates to the butt joint track under the action of the conveying chain;
the movable sub-plate of the elastic splint is blocked to enlarge the space between the splints for receiving the blood collecting vessel;
the two plate angles of the elastic clamping plate are increased to a specific angle and automatically reset so as to fixedly clamp the blood collecting pipe.
In step 400, the diameter of the driving wheel set at the lower end of the conveying chain is smaller than the diameter of the driving wheel set at the upper end of the conveying chain, wherein the edges of the driving wheel set at the lower end and the driving wheel set at the upper end, which are close to the storage box, are on the same vertical line, the opening of the elastic clamping plate at the maximum curvature position of the driving wheel set at the upper end is inclined downwards, the elastic clamping plate falls off at the position of the driving wheel set at the upper end, and the specific implementation:
a release baffle is arranged at the maximum curvature position of the upper end driving wheel set;
the release baffle props against the movable split plate of the elastic clamping plate, and the movable split plate drives the two plate angles of the elastic clamping plate to increase;
the elastic clamping plate integrally rotates to the opening and inclines downwards, and the blood collecting pipe slides to the transfer conveying belt under the action of gravity.
This embodiment realizes heparin tube material loading, the blood sampling action, syringe needle is pulled out and whole function in an organic whole is detected in the transmission of taking a blood sample, wherein the theory of operation among the blood sampling work adoption prior art can realize, whole blood sampling process need not artifical more participation, compare with prior art, degree of automation is high, avoid single multitime loading heparin tube, consequently also avoid appearing cross contamination at the blood sampling in-process, consequently, this embodiment's automatic blood sampling machine security performance is better, and the realization syringe needle that can be autonomic removes the operation, avoid the syringe needle to dismantle the little convenience in space poor and puncture human cross contamination's phenomenon.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (3)
1. An automatic blood sampling and blood detection all-in-one machine comprises a blood sampling arm (1) with multiple degrees of freedom and a blood vessel probe installed on the blood sampling arm (1), and is characterized in that: a storage feeding mechanism (2) and a transfer conveyer belt (3) are respectively arranged on two sides of the blood sampling arm (1), wherein the storage feeding mechanism (2) is far away from the vascular probe, the transfer conveyer belt (3) is positioned above the vascular probe, the storage feeding mechanism (2) is used for transferring the blood collecting vessel (4) of an empty bottle into the blood sampling arm (1), the transfer conveyer belt (3) is arranged at the upper end of the blood sampling arm (1), and the transfer conveyer belt (3) transmits the blood collecting vessel (4) after blood sampling to a blood detector for detection;
the storage feeding mechanism (2) comprises a storage box (201) fixedly connected to the blood collection arm (1) and a butt joint track (202) arranged below the storage box (201), a blood collection vessel transfer unit (5) and a blood collection vessel guide unit (6) are arranged inside the blood collection arm (1), the blood collection vessel (4) inside the storage box (201) slides to the blood collection vessel transfer unit (5) through the butt joint track (202), the needle of the blood collection vessel (4) is transferred to a needle fixing seat (7) at the lower end of the blood collection arm (1) through the blood collection vessel guide unit (6) to perform blood collection work, the blood collection vessel transfer unit (5) after blood collection finishes drives the blood collection vessel (4) to move upwards, the separation of the blood collection vessel (4) and the needle is automatically performed, the blood collection vessel (4) automatically falls off to the transfer conveying belt (3) at the upper end of the blood collection vessel transfer unit (5), the blood collecting pipe (4) adjusts the direction of a pipe orifice on the transfer conveyer belt (3) to be over against the blood detector for detection operation;
the butt joint track (202) comprises a vertical accelerating section (2021) and an inclined bending section (2022), the vertical accelerating section (2021) is fixedly connected with the discharge hole (10), the inclined bending section (2022) is fixedly connected with the vertical accelerating section (2021), a panel of the inclined bending section (2022) is inclined, the clamping direction of a bearing splint (12) is the same as the inclined direction of the inclined bending section (2022), and the needle end of the blood collecting pipe (4) is higher than the bottom end of the blood collecting pipe (4) when the blood collecting pipe (4) is transferred to the bearing splint (12);
the tail end of the inclined bending section (2022) is inserted into the blood sampling arm (1), a protruding part (13) of the inclined bending section (2022) located inside the blood sampling arm (1) abuts against a movable bottom plate (1202) to increase a clamping space between the extrusion cover plate (1201) and the movable bottom plate (1202), the blood collection tube (4) is transferred into the movable bottom plate (1202) through the vertical acceleration section (2021) and the inclined bending section (2022), and the movable bottom plate (1202) fixedly clamps the blood collection tube (4) between the movable bottom plate (1202) and the extrusion cover plate (1201) under the driving of a return spring (1203);
the diameter of the first driving wheel set (501) is smaller than that of the second driving wheel set (502), and the second driving wheel set (502) is superposed with the vertical tangent of the first driving wheel set (501) close to the side edge of the storage box (201), the inner surface of the blood sampling arm (1) is provided with a curved baffle (17) for limiting the running path of the conveying chain (503), the curved baffle (17) limits the conveying chain (503) to surround the first driving wheel set (501), and the curved baffle (17) divides the conveying chain (503) into a lower surrounding segment (5031), a first vertical segment (5032), an upper surrounding segment (5033), a bent transition segment (5034) and a second vertical segment (5035) in sequence, the radius of curvature at the intersection of the upper surrounding segment (5033) and the curved transition segment (5034) is greatest, and the opening direction of the bearing splint (12) at the junction of the upper surrounding segment (5033) and the curved transition segment (5034) is inclined downwards;
an outlet pipe opening (14) is formed in the inner surface of the blood collection arm (1) at the junction of the upper surrounding section (5033) and the bent transition section (5034), a baffle (15) is arranged on the upper edge of the outlet pipe opening (14) in the inner surface of the blood collection arm (1), the movable bottom plate (1202) is used for increasing the distance between the movable bottom plate and the extrusion cover plate (1201) under the action of the baffle (15) so as to release the blood collection pipe (4), an extension sliding plate (16) is arranged on the bottom edge of the outlet pipe opening (14) in the outer surface of the blood collection arm (1), and the blood collection pipe (4) falls from the outlet pipe opening (14) and moves to the transfer conveying belt (3) along the extension sliding plate (16).
2. The integrated machine for automatic blood sampling and blood detection according to claim 1, characterized in that: the side of the blood sampling arm (1) is connected with a limiting push plate (9) through a compression spring (8) inside the box body of the storage box (201), the bottom plate of the storage box (201) is close to the mounting position of the blood sampling arm (1) and is provided with a discharge hole (10), the upper end of the storage box (201) is right opposite to a push cylinder (11) arranged above the discharge hole (10), the limiting push plate (9) continuously pushes the blood collection pipe (4) to the discharge hole (10) for pushing, and the push cylinder (11) is regularly transferred to the discharge hole (10) the blood collection pipe (4) is pushed down to the inside of the butt joint pipeline (202), the blood collection pipe (4) is in the butt joint pipeline (202) to convert gravitational potential energy into kinetic energy and freely slide to the blood collection pipe transfer unit (5).
3. The integrated machine for automatic blood sampling and blood detection according to claim 1, characterized in that: blood collection vessel transfer unit (5) is in including vertical setting first drive wheelset (501) and second drive wheelset (502) of blood sampling arm (1) inside, the surface cover of first drive wheelset (501) and second drive wheelset (502) is equipped with conveying chain (503), first drive wheelset (501) and second drive wheelset (502) drive conveying chain (503) along positive and negative direction intermittent type circulation rotate with will the syringe needle follow butt joint track (202) pull extremely blood sampling needle guide unit (6), the biggest displacement of the anticlockwise rotation of first drive wheelset (501) and second drive wheelset (502) do the syringe needle with hose length between blood collection vessel (4), be equipped with a plurality of evenly distributed on conveying chain (503) and be used for receiving bearing splint (12) of blood collection vessel (4), bearing splint (12) include fixed mounting and carry extrusion apron (1201) on chain (503) ) And the movable bottom plate (1202) is movably hinged to the conveying chain (503), the length of the extrusion cover plate (1201) is smaller than that of the movable bottom plate (1202), a return spring (1203) is arranged between the extrusion cover plate (1201) and the movable bottom plate (1202), and the extrusion cover plate (1201) is elastically connected with the movable bottom plate (1203) to fixedly clamp and movably release the blood collection tube (4).
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| CN113069112B (en) * | 2021-03-16 | 2023-07-04 | 四川省肿瘤医院 | Automatic blood sampling system |
| CN117582224B (en) * | 2024-01-19 | 2024-04-02 | 佳木斯大学 | Batch hemostix for medical pathology detection and use method |
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