CN213189614U - Blood collection tube clamp device and blood collection equipment - Google Patents

Abstract

A blood sampling tube clamp device and blood sampling equipment are provided, wherein the blood sampling tube clamp device comprises a first clamping matching part, a second clamping matching part and a driving part, the first clamping matching part and the second clamping matching part are oppositely arranged, and the driving part drives the first clamping matching part and the second clamping matching part to be close to or far away from each other; first centre gripping cooperation includes electric capacity level sensor, and electric capacity level sensor includes the electric capacity and detects the face, and the electric capacity detects the face and is the clamping face of first centre gripping cooperation. The blood sampling tube clamp device detects blood in a blood sampling tube through the capacitance liquid level sensor, is not easily interfered by a label on the tube wall of the blood sampling tube, has strong anti-interference capability and can accurately measure the liquid level position of the blood in the blood sampling tube. The blood sampling device can accurately obtain the blood sampling amount, thereby accurately controlling the blood sampling process.

Description

Blood collection tube clamp device and blood collection equipment

Technical Field

The utility model relates to the field of medical equipment, particularly, relate to a heparin tube presss from both sides device and blood sampling equipment.

Background

Blood testing is a widely used test means, and is often used as a basis for medical diagnosis and is at a basic level in modern physical therapy.

The object of the blood test operation is a blood sample, i.e. the first step of the blood test is to take a blood sample from a patient, i.e. to take a blood sample from the patient.

At present, the hospital mainly adopts manual blood sampling, and the blood sampling condition is controlled manually, such as whether bleeding exists or not, whether the blood volume is proper or not, and the like.

There is unmanned blood sampling equipment in the existing market, and current unmanned blood sampling equipment relies on visual system to judge the blood sampling condition, but the heparin tube sets up the label mostly on the pipe wall, can disturb unmanned blood sampling equipment's visual system, influences the normal clear of blood sampling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heparin tube presss from both sides device, it can detect the intraductal blood of taking a blood sample through electric capacity level sensor, records the liquid level position of the intraductal blood of taking a blood sample, is difficult for receiving the interference of the label of the pipe wall of taking a blood sample pipe, and the interference killing feature is strong, and the data of surveying are accurate.

Another object of the utility model is to provide a blood sampling equipment, it adopts the utility model discloses a blood sampling tube presss from both sides device, can accurately obtain the volume of blood sampling to the process of accurate control blood sampling.

The utility model discloses a realize like this:

a blood collection tube clamp device comprises a first clamping matching part, a second clamping matching part and a driving part, wherein the first clamping matching part and the second clamping matching part are arranged oppositely, and the driving part drives the first clamping matching part and the second clamping matching part to approach or depart from each other; first centre gripping cooperation includes electric capacity level sensor, and electric capacity level sensor includes the electric capacity and detects the face, and the electric capacity detects the face and is the clamping face of first centre gripping cooperation.

The utility model discloses a heparin tube presss from both sides device is through first centre gripping cooperation portion and the cooperation of second centre gripping cooperation portion with the centre gripping heparin tube to be provided with electric capacity level sensor in first centre gripping cooperation portion, obtain the liquid level position of the intraductal blood in the blood sampling through the change that detects the heparin tube electric capacity, it is more accurate to detect, has good interference killing feature.

Further, first centre gripping cooperation portion includes sensor seat, and sensor seat is connected with the drive division, and capacitance level sensor sets up on sensor seat.

Furthermore, at least one part of the capacitance liquid level sensor protrudes out of the sensor seat along the direction towards the second clamping matching part, and the end surface of the capacitance liquid level sensor protruding out of the sensor seat is a capacitance detection surface.

Furthermore, a first groove is formed in a capacitance detection surface of the capacitance liquid level sensor, the first groove extends in the vertical direction, and the cross section of the first groove is arc-shaped.

Furthermore, a second groove is formed in the clamping surface of the second clamping matching portion, the second groove is opposite to the first groove, the second groove extends in the vertical direction, and the cross section of the second groove is arc-shaped.

Further, the blood collection tube clamp device comprises a first guide rail, the first clamping matching part and the second clamping matching part are arranged on the first guide rail in a sliding mode, and the driving part drives the first clamping matching part and/or the second clamping matching part to move along the first guide rail.

Furthermore, the blood sampling tube clamping device further comprises a lifting device, the first clamping matching part and the second clamping matching part are both connected with the lifting device, and the lifting device drives the first clamping matching part and the second clamping matching part to move in the vertical direction.

Furthermore, the blood collection tube clamping device further comprises a lifting device, the lifting device comprises a second guide rail and a lifting motor, the blood collection tube clamping device further comprises a connecting slide block, the connecting slide block is connected with the first guide rail, the connecting slide block is movably arranged on the second guide rail, the connecting slide block is in driving connection with the lifting motor, and the lifting motor drives the connecting slide block to move along the second guide rail.

Further, elevating gear still includes the lead screw, and the lead screw parallels with the second guide rail, and the lead screw is connected with elevator motor, and the lead screw is connected with the link block cooperation.

A blood sampling device comprises a blood sampling device and the blood sampling tube clamping device, wherein a capacitance liquid level sensor of the blood sampling tube clamping device is electrically connected with the blood sampling device, and the blood sampling device controls the start or the end of blood sampling according to liquid level information measured by the capacitance liquid level sensor.

The utility model discloses a blood sampling equipment has adopted foretell blood sampling tube holder device, can obtain the liquid level position of the intraductal blood of blood sampling promptly through electric capacity level sensor, comes accurate control blood sampling device through this liquid level information and begins or finishes the blood sampling, the process of controlling the blood sampling accurately.

The beneficial effects of the utility model mainly lie in: the blood sampling tube clamp device detects blood in a blood sampling tube through the capacitance liquid level sensor, is not easily interfered by a label on the tube wall of the blood sampling tube, has strong anti-interference capability and can accurately measure the liquid level position of the blood in the blood sampling tube. The blood sampling device can accurately obtain the blood sampling amount, thereby accurately controlling the blood sampling process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an embodiment of a blood collection tube holder device according to the present invention;

fig. 2 is a perspective view of an embodiment of a capacitance liquid level sensor of the blood collection tube clamping device of the present invention;

fig. 3 is a front view of an embodiment of a capacitance liquid level sensor of the blood collection tube clamping device of the present invention;

fig. 4 is a top view of the embodiment of the capacitance level sensor of the blood collection tube clamping device of the present invention.

In the figure:

10-a first clamping engagement; 11-capacitive liquid level sensors; 101-a first groove; 12-a sensor receptacle; 20-a second clip mating portion; 201-a second groove; 30-a first guide rail; 40-a second guide rail; 50-a lifting motor; 60-connecting the slide block; 70-a lead screw; 80-a substrate; 90-a base; 300-blood collection tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The utility model provides a blood sampling tube clamp device, which comprises a first clamping matching part 10, a second clamping matching part 20 and a driving part, wherein the first clamping matching part 10 and the second clamping matching part 20 are arranged oppositely, and the driving part drives the first clamping matching part 10 and the second clamping matching part 20 to approach to or keep away from each other; first centre gripping cooperation 10 includes electric capacity level sensor 11, and electric capacity level sensor 11 includes the electric capacity face that detects, and the electric capacity face that detects is the clamping face of first centre gripping cooperation 10.

The cartridge clamping device clamps the cartridge 300 by the first clamping engagement portion 10 and the second clamping engagement portion 20, and the capacitance level sensor 11 on the first clamping engagement portion 10 can detect the capacitance of the cartridge 300 in real time, and the liquid level position of the blood in the cartridge 300 is obtained by the capacitance change of the cartridge 300.

Capacitance level sensor 11 is used for detecting the electric capacity of heparin tube 300, confirms the liquid level of blood according to the change of electric capacity, compares visual system, and electric capacity detects the influence that can not receive the light intensity to also be difficult for receiving the influence of the label of pasting on heparin tube 300, can more accurately detect the liquid level position of blood.

In one embodiment, the capacitive liquid level sensor 11 is used to detect the capacitance of the blood collection tube 300, and during the blood collection process, when the capacitive liquid level sensor 11 detects that the capacitance value inside the blood collection tube 300 reaches a predetermined range, which indicates that the amount of the blood sample has reached the requirement, the blood collection can be stopped.

In this embodiment, the number of the capacitive liquid level sensors 11 is one, when the blood collection tube 300 is held by the blood collection tube clamping device, the position of the capacitive liquid level sensor 11 corresponds to a predetermined position on the blood collection tube 300, and when the blood level reaches the position of the capacitive liquid level sensor 11, the capacitive liquid level sensor 11 detects that the capacitance value reaches a predetermined range, that is, it represents that the blood level in the blood collection tube 300 reaches the predetermined position, and sufficient blood samples have been collected, so that blood collection can be stopped.

In another preferred embodiment, when blood collection is started, if the capacitive liquid level sensor 11 detects that the blood level in the blood collection tube 300 is raised, bleeding is proved to be smooth; when the capacitive liquid level sensor 11 detects that no blood is present in the blood collection tube 300 or the blood level is not changed, it indicates a bleeding abnormality.

In the normal blood collection process, the capacitive liquid level sensor 11 detects that the liquid level of the blood in the blood collection tube 300 reaches a predetermined position, for example, two thirds of the blood collection tube is full, which means that the blood collection amount has reached the requirement, and the blood collection can be stopped.

In this embodiment, the number of the capacitive liquid level sensors 11 is plural, and when the blood collection tube 300 is held by the blood collection tube clamping device, the plural capacitive liquid level sensors 11 are sequentially arranged along the longitudinal direction of the blood collection tube 300.

When a certain amount of blood is filled in the blood collection tube 300, the capacitance detected by the capacitive liquid level sensor 11 located below the blood level is different from the capacitance detected by the capacitive liquid level sensor 11 located above the blood level, and thus a plurality of capacitive liquid level sensors 11 can be used to detect the position of the blood level in the blood collection tube 300.

A first embodiment of the blood collection tube holder device according to the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1, the first clamping fitting portion 10 and the second clamping fitting portion 20 are disposed opposite to each other, and a jaw for clamping the blood collection tube 300 is formed therebetween.

The first clamping and matching part 10 comprises a sensor seat 12, the sensor seat 12 is connected with the driving part, and the capacitance liquid level sensor 11 is arranged on the sensor seat 12.

The lower part of the sensor receptacle 12 is arranged in a first guide track 30, along which the sensor receptacle 12 can be moved.

The upper portion of the sensor seat 12 is provided with a mounting groove, the capacitive liquid level sensor 11 is mounted in the mounting groove, and a part of the capacitive liquid level sensor 11 protrudes out of the sensor seat 12 towards the direction of the second clamping matching part 20.

In fig. 1, the left side of the capacitive liquid level sensor 11 protrudes from the sensor holder 12, and the left side of the capacitive liquid level sensor 11 is a capacitive detection surface.

Capacitance level sensor 11's electric capacity detects the face and is the clamping face of first centre gripping cooperation portion 10 promptly, and when first centre gripping cooperation portion 10 and second centre gripping cooperation portion 20 held heparin tube 300, electric capacity level sensor 11's electric capacity detects the outer wall that the face pastes tight heparin tube 300, consequently can improve the degree of accuracy that detects.

As shown in fig. 2 to 4, a first groove 101 is formed on a capacitance detection surface of the capacitance liquid level sensor 11, the first groove 101 extends along a vertical direction, and a cross section of the first groove 101 is arc-shaped.

As shown in fig. 1, the curvature of first groove 101 matches the curvature of the outer wall of blood collection tube 300, and when first clamping engagement portion 10 clamps blood collection tube 300, a part of blood collection tube 300 fits into first groove 101.

As shown in fig. 3, the first groove 101 is opened in the middle of the capacitive liquid level sensor 11, and the capacitive liquid level sensor 11 is in a left-right symmetrical shape.

As shown in fig. 4, the dotted line shows the center of the arc of the first groove 101, and it can be seen that the center angle of the first groove 101 is less than 180 degrees.

A second groove 201 is formed in the clamping surface of the second clamping matching portion 20, the second groove 201 is opposite to the first groove 101, the second groove 201 extends in the vertical direction, and the cross section of the second groove 201 is arc-shaped.

As can be seen from fig. 1, the second groove 201 is opposite to the first groove 101, and the radius of curvature of the second groove 201 is the same as that of the first groove 101. The arc of the second groove 201 is smaller than that of the first groove 101.

The second clip fitting portion 20 is also provided on the first rail 30, and is slidable along the first rail 30.

The first rail 30 is disposed on the base 90.

In this embodiment, the driving portion includes a pneumatic mechanism, the pneumatic mechanism is disposed on the base 90, and an output end of the driving mechanism is connected to the first clamping fitting portion 10 and the second clamping fitting portion 20 respectively, for driving the first clamping fitting portion 10 and the second clamping fitting portion 20 to move in the first guide rail 30.

As can be seen in fig. 1, the air duct of the pneumatic mechanism is disposed on the base 90 and is connected to the pneumatic mechanism body disposed in the base 90.

The advantage of adopting actuating mechanism lies in the control that the centre gripping dynamics of heparin tube clamp device can be convenient, through setting up the pneumatic valve, can control the centre gripping dynamics, avoids adding the too big heparin tube deformation that leads to of power.

The blood collection tube clamping device further comprises a lifting device, the first clamping matching part 10 and the second clamping matching part 20 are connected with the lifting device, and the lifting device drives the first clamping matching part 10 and the second clamping matching part 20 to move in the vertical direction.

As shown in fig. 1, the lifting mechanism is disposed on the base plate 80, and includes a second guide rail 40, a lifting motor 50, and a lead screw 70, the second guide rail 40 extends in a vertical direction, the lead screw 70 is parallel to the second guide rail 40, and the lead screw 70 is connected to the lifting motor 50.

The cartridge clip device further includes a connecting slider 60, one end of the connecting slider 60 is fixedly connected to the base 90, and the other end is movably disposed on the second guide rail 40 and is connected to the lead screw 70 in a fitting manner.

The lifting motor 50 drives the lead screw 70 to rotate, the rotation of the lead screw is transmitted to the connecting slider 60 and converted into the movement of the connecting slider 60 along the second guide rail 40, that is, the lifting motor 50 drives the connecting slider 60 to move along the second guide rail 40.

The connecting block 60 moves along the second guide rail 40 to drive the base 90 to move, so that the base 90 moves up and down, and thus the first guide rail 30, the first clamping matching part 10 and the second clamping matching part 20 which are arranged on the base 90 all move up and down.

The blood collection tube clamping device adjusts the horizontal heights of the first clamping and matching part 10 and the second clamping and matching part 20 through the lifting device, so that the blood collection tube clamping device is suitable for blood collection tubes 300 with different lengths, and the position relation between the capacitance liquid level sensor 11 and the blood collection tubes 300 can be adjusted.

As can be seen from fig. 1, since the connecting slider 60 is formed in a bent plate shape as a whole, the base 90 and the base plate 80 are connected at an angle, and an obtuse angle is formed between the two, so that the base plate 80 is prevented from shielding the blood collection tube 300.

In other embodiments, the actuator may be a motor-driven mechanism, a four-bar mechanism, or a hydraulic drive mechanism.

In other embodiments, the lifting device may be in a rack-and-pinion fit, that is, the second guide rail is a rack, the motor drives the gear to perform lifting motion along the rack, and the gear is disposed on the connecting slider, so that the lifting motion of the rack-and-pinion is transmitted to the first clamping fit portion and the second clamping fit portion.

The utility model also provides a blood sampling equipment, including blood sampling device and foretell blood sampling tube holder device, the electric capacity level sensor 11 of blood sampling tube holder device is connected with the blood sampling device electricity, and the blood sampling device begins or finishes the blood sampling according to the liquid level information control that electric capacity level sensor 11 recorded.

The blood sampling equipment is automatic, does not need human intervention, and can automatically complete blood sampling operation.

The blood collection device includes a blood collection needle driven by a power mechanism to pierce or pull out a blood vessel, and the blood collection needle and the blood collection tube 300 are communicated through a blood delivery tube.

The capacitance level sensor 11 of the blood collection tube holder device detects the liquid level of the blood in the blood collection tube 300 in real time and transmits the liquid level information to the blood collection device.

After the lancet is completely inserted, the capacitive liquid level sensor 11 detects whether the blood level in the blood collection tube 300 rises, and if the blood level does not rise or stops after rising, the blood collection device determines that blood collection is abnormal.

If the blood sampling is abnormal, the puncturing action of the blood sampling needle is carried out again, or an alarm request is sent for manual intervention.

When the blood level in the blood collection tube 300 rises steadily, it is determined that blood collection is smoothly performed, and the capacitance liquid level sensor 11 detects the blood level in the blood collection tube 300 in real time.

When the capacitance liquid level sensor 11 detects that the liquid level of the blood in the blood collection tube 300 reaches a preset position, a signal of blood collection completion is fed back to the blood collection device, the blood collection device operates the blood collection needle to be pulled out of the blood vessel, and the blood collection operation is completed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The blood collection tube clamp device is characterized by comprising a first clamping matching part (10), a second clamping matching part (20) and a driving part, wherein the first clamping matching part (10) and the second clamping matching part (20) are oppositely arranged, and the driving part drives the first clamping matching part (10) and the second clamping matching part (20) to mutually approach or separate; first centre gripping cooperation portion (10) include electric capacity level sensor (11), electric capacity level sensor (11) include the electric capacity and detect the face, the electric capacity detects the face and is the clamping face of first centre gripping cooperation portion (10).

2. A cartridge device according to claim 1, wherein the first clamping engagement portion (10) comprises a sensor holder (12), the sensor holder (12) being connected to the drive portion, the capacitive liquid level sensor (11) being provided on the sensor holder (12).

3. A cartridge device according to claim 2, wherein at least a part of the capacitance liquid level sensor (11) protrudes from the sensor holder (12) in a direction toward the second clamping engagement portion (20), and an end surface of the capacitance liquid level sensor (11) protruding from the sensor holder (12) is the capacitance detection surface.

4. A blood collection tube clamping device according to claim 3, wherein a first groove (101) is formed on the capacitance detection surface of the capacitance liquid level sensor (11), the first groove (101) extends in the vertical direction, and the cross section of the first groove (101) is arc-shaped.

5. A blood collection tube clamping device according to claim 4, wherein a second groove (201) is formed in the clamping surface of the second clamping matching portion (20), the second groove (201) is opposite to the first groove (101), the second groove (201) extends in the vertical direction, and the cross section of the second groove (201) is arc-shaped.

6. A cartridge device according to claim 1, wherein the cartridge device comprises a first guide rail (30), the first and second clamping engagement portions (10, 20) are slidably disposed on the first guide rail (30), and the driving portion drives the first and/or second clamping engagement portions (10, 20) to move along the first guide rail (30).

7. A cartridge device according to any one of claims 1 to 6, further comprising an elevating means to which the first and second grip engaging portions (10, 20) are connected, the elevating means driving the first and second grip engaging portions (10, 20) to move in a vertical direction.

8. A cartridge device according to claim 6, further comprising an elevating device including a second guide rail (40) and an elevating motor (50), and a connecting slider (60), wherein the connecting slider (60) is connected to the first guide rail (30), the connecting slider (60) is movably disposed on the second guide rail (40), the connecting slider (60) is drivingly connected to the elevating motor (50), and the elevating motor (50) drives the connecting slider (60) to move along the second guide rail (40).

9. A blood collection tube clip device according to claim 8, wherein the lifting device further comprises a lead screw (70), the lead screw (70) is parallel to the second guide rail (40), the lead screw (70) is connected with the lifting motor (50), and the lead screw (70) is connected with the connecting slider (60) in a matching manner.

10. A lancing device comprising a lancing device and a cartridge holder device according to any one of claims 1 to 9, wherein the capacitive liquid level sensor (11) of the cartridge holder device is electrically connected to the lancing device, and the lancing device controls the start or end of lancing based on the liquid level information measured by the capacitive liquid level sensor (11).

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