CN211785579U - Proofreading component for thrombelastogram instrument - Google Patents

Abstract

The utility model relates to a proofreading component for a thrombelastogram instrument, which comprises a blocker and a collimator; the blocker has a flat bottom surface for placing on the top of the thermostatic chamber and a top surface for abutting against the bottom of the loading module; an avoiding groove for avoiding the collimator and the probe head is formed in one side wall of the blocker, the collimator is of a cylindrical structure on the whole and is matched with the size of the detection channel, a calibration head for aligning the probe head is arranged in the center area of the top of the collimator, and the calibration head is of an inverted cone structure; during calibration, the collimator is arranged in the detection channel, the blocker is arranged at the top of the constant temperature chamber, the constant temperature chamber is moved upwards until the top surface of the blocker is abutted against the bottom of the loading module, and whether the probe head is aligned with the tip of the calibration head or not is confirmed.

Description

Proofreading component for thrombelastogram instrument

Technical Field

The utility model relates to a thrombelastogram appearance is with proofreading subassembly.

Background

The thromboelastogram instrument as a novel instrument for detecting the blood coagulation in modern medicine belongs to an in-vitro diagnostic instrument and can dynamically monitor the whole blood coagulation process. Various indexes of medical blood coagulation examination are fed back through the whole process from blood coagulation to fibrinolysis, so that doctors can analyze specific problems occurring in each link of blood coagulation from results obtained by a thromboelastogram instrument.

The thromboelastography instrument mainly comprises a detection module, a loading module and an oscillation module. The detection module mainly comprises a twisted wire, a probe and an angular displacement sensor. The hanging height of the probe is determined by the twisted wire, and meanwhile, the twisted wire is guaranteed not to deform when the probe makes angular displacement. The angular displacement sensor detects the rotation angle of the probe, the bottom of the probe penetrates into blood to be detected, and the change of the thrombus shear modulus is detected. The loading module mainly comprises a deflector rod and a loading column, wherein a mechanical structure in the loading column is matched with the deflector rod to control the loading and unloading of the probe head, and meanwhile, the angular displacement sensor is supported. The oscillating module consists of a cam transmission mechanism, a guide shaft and a thermostatic chamber, wherein the cam transmission mechanism drives the guide shaft to oscillate back and forth in a test cup of the thermostatic chamber under the driving of a motor.

The thromboelastogram instrument detects through the binary channels, can carry out twice synchronous detection to same patient's blood for the data result that produces is more accurate. However, the conventional method for checking whether the heights of the two detection channel probes are consistent is mainly observed by naked eyes, and the error is large.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a calibration assembly for a thromboelastography instrument, which facilitates accurate calibration of the consistency of the heights and centering positions of the probes of the two detection channels.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a thrombelastogram appearance is with proofreading subassembly, thrombelastogram appearance includes probe, loading module, bracing piece and the constant temperature cavity that has the detection passageway, the probe is installed on the loading module, the constant temperature cavity wears to establish the bracing piece and can reciprocate along the bracing piece, proofreading subassembly includes blocker and collimater;

the blocker has a flat bottom surface for placement into the top of the thermostatic chamber and a top surface for abutting the bottom of the loading module; an avoidance groove for avoiding the collimator and the probe head is formed in one side wall of the blocker;

the collimator is of a cylindrical structure as a whole and is matched with the size of the detection channel, a calibration head for aligning the probe head is arranged in the central area of the top of the collimator, and the calibration head is of an inverted cone structure;

during calibration, the collimator is placed in the detection channel, the blocker is placed at the top of the constant temperature chamber, the constant temperature chamber is moved upwards until the top surface of the blocker is abutted against the bottom of the loading module, and whether the probe head is aligned with the tip of the calibration head or not is confirmed.

In one embodiment, the blocker is in the form of an elongated block structure as a whole.

Furthermore, the blocker is provided with a notch for avoiding the supporting rod at the end part of one side wall opposite to the avoiding groove.

Further, the avoidance groove is of a semi-elliptical structure.

In one embodiment, the overall length of the blocker is 5cm, the width is 1.4cm, the height is 0.9cm, the diameter of the avoidance groove is 2cm, the width is 0.7cm, and the length of the notch is 0.8 cm.

Preferably, the blocker is an integrally molded plastic blocker.

In one embodiment, the collimator has a main body part, a handheld part and the calibration head, which are connected in sequence, the main body part is used for being inserted into the detection channel, the diameter of the handheld part is larger than the radial dimension of the detection channel, and the calibration head is arranged in the center area of the top of the handheld part.

In one embodiment, the main body portion has a diameter of 1.1cm and a height of 1.2cm, the hand-held portion has a diameter of 1.4cm and a height of 0.2cm, and the alignment head has a height of 0.2cm and a base diameter of 0.2 cm.

Preferably, the collimator is an integrally formed stainless steel collimator.

The utility model has the advantages that:

adopt with the conventionality that the naked eye observes compares, adopts the utility model discloses a when thrombelastogram appearance was proofreaded the probe concrete position with the proofreading subassembly, can rely on two blockers to ensure the probe highly uniform who two testing channel adopted, the collimater of two simulation test cups of cooperation ensures that the probe that two testing channel adopted can not shift to the heart to ensure that testing channel accords with operation requirement, improves the accuracy and the reliability of test result.

Drawings

FIG. 1 is a schematic view of one embodiment of a view angle configuration of an occluder;

FIG. 2 is a schematic view of another view of the occluder of FIG. 1;

FIG. 3 is a schematic view of a further perspective configuration of the occluder of FIG. 1;

fig. 4 is a schematic diagram of a collimator for use with the occluder of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

100. blocker 101, avoidance groove 102, notch 103, groove 110, bottom surface 120, top surface 200, collimator 201, main body 202, hand holding part 203, and alignment head.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The calibration assembly for a thromboelastography of an embodiment comprises an occluder 100 and a collimator 200.

With further reference to fig. 1-3, the occluder 100 of the present embodiment is generally in the form of an elongated block having a flat bottom surface 110 and a top surface 120, the bottom surface 110 for placement on the top of the thermostatic chamber of the thromboelastography device, and the top surface 120 for abutting the bottom of the thromboelastography device loading module. One side wall of blocker 100 is provided with an avoidance groove 101 for avoiding collimator 200 and the probe head. Preferably, the avoidance slot 101 is a semi-elliptical configuration to facilitate viewing of the particular location of the probe tip.

Preferably, the end of a side wall of the occluder 100 opposite to the avoidance groove 101 is also preferably provided with a notch 102 for avoiding a support rod of the thromboelastography device.

In addition, two ends of the bottom surface 110 of the blocker 100 are further provided with grooves 103 for avoiding the guide shaft sliding rod.

Preferably, blocker 100 is a plastic blocker 100 formed integrally, and has the same material as the thermostatic chamber, high transparency, and easy observation.

Specifically, the whole length of the blocker 100 is 5cm, the width is 1.4cm, the height is 0.9cm, the diameter of the avoidance groove 101 is 2cm, the width is 0.7cm, and the length of the gap 102 is 0.8cm, so that the blocker is suitable for calibration of a conventional two-channel thromboelastography instrument. It is understood that in other embodiments, the size of occluder 100 may be adjusted according to the size and dimensions of the dual channel thromboelastography device.

Referring to fig. 4, the collimator 200 of the present embodiment simulates a cup body of a test cup, and has a cylindrical structure as a whole and is matched with the size of the detection channel. The central area of the top of the collimator 200 is provided with a calibration head 203 for aligning the probe head, and the calibration head 203 is in an inverted cone structure.

Preferably, the collimator 200 has a main body 201, a hand-held portion 202 and a calibration head 203 connected in sequence, the main body 201 is used for being inserted into the detection channel, the diameter dimension of the hand-held portion 202 is larger than the radial dimension of the detection channel, and the calibration head 203 is arranged at the top center region of the hand-held portion 202.

Specifically, the main body portion 201 of the collimator 200 has a diameter of 1.1cm and a height of 1.2cm, the grip portion 202 has a diameter of 1.4cm and a height of 0.2cm, and the collimator head 203 has a height of 0.2cm and a bottom diameter of 0.2 cm. It is understood that in other embodiments, the size of the collimator 200 may be adjusted according to the model and size of the dual channel thromboelastography device.

Preferably, the collimator 200 is an integrally formed stainless steel collimator 200, which has high structural strength, durability and accuracy.

Adopt the utility model discloses a thrombus elastogram appearance is with proofreading subassembly proofreading probe, its calibration step as follows:

s1, the bottom surface 110 of the occluder 100 is placed on the top of the thermostatic chamber of the thromboelastography device, and the main body portion 201 of the collimator 200 is placed in the detection passage.

S2, moving the thermostatic chamber upwards until the top surface 120 of the blocker 100 abuts against the bottom of the loading module, and moving the deflector rod to the right to make the deflector rod in the testing position, so as to confirm that the calibration head 203 of the collimator 200 is just opposite to the probe head. If necessary, the alignment of the probe head to the tip of the alignment head 203 is ensured by adjusting the loading module and the detection module, adjusting the centering position of the probe head and the height within the loading column.

Compared with the visual observation, the calibrating assembly for the thrombelastogram instrument plays a key role in detecting and centering adjustment of the channels of the thrombelastogram instrument, the two blockers 100 can be used for ensuring the consistency of the heights of the two detecting channels, and the two collimators 200 are matched for rapidly calibrating the centers of the probes of the two detecting channels without deviation, so that the accuracy and the reliability of a test result are improved.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. A proofreading assembly for a thrombelastogram instrument, wherein the thrombelastogram instrument comprises a probe, a loading module, a supporting rod and a constant temperature chamber with a detection channel, the probe is installed on the loading module, the constant temperature chamber penetrates through the supporting rod and can move up and down along the supporting rod, and the proofreading assembly comprises a blocker and a collimator;

the blocker has a flat bottom surface for placement into the top of the thermostatic chamber and a top surface for abutting the bottom of the loading module; an avoidance groove for avoiding the collimator and the probe head is formed in one side wall of the blocker;

the collimator is of a cylindrical structure as a whole and is matched with the size of the detection channel, a calibration head for aligning the probe head is arranged in the central area of the top of the collimator, and the calibration head is of an inverted cone structure;

during calibration, the collimator is placed in the detection channel, the blocker is placed at the top of the constant temperature chamber, the constant temperature chamber is moved upwards until the top surface of the blocker is abutted against the bottom of the loading module, and whether the probe head is aligned with the tip of the calibration head or not is confirmed.

2. The calibration assembly of claim 1, wherein the occluder is formed in an elongated block configuration throughout.

3. The proofreading component of claim 2, wherein the end of the sidewall of the blocker opposite to the avoiding groove is further provided with a notch for avoiding the support rod.

4. The proofreading assembly of claim 3, wherein the evasion groove is of a semi-elliptical configuration.

5. The proof mass for a thromboelastography device of claim 4, wherein the overall length of the blocker is 5cm, the width is 1.4cm, the height is 0.9cm, the diameter of the avoidance groove is 2cm, the width is 0.7cm, and the length of the gap is 0.8 cm.

6. The proofreading assembly of claim 4, wherein the occluder is an integrally formed plastic occluder.

7. The calibration assembly for a thromboelastography device according to any one of claims 1 to 6, wherein the collimator has a main body portion, a hand-held portion and the calibration head connected in sequence, the main body portion is used for being inserted into the detection channel, the diameter of the hand-held portion is larger than the radial dimension of the detection channel, and the calibration head is arranged at the top center region of the hand-held portion.

8. The calibration assembly for a thromboelastography device according to claim 7, wherein the main body part has a diameter of 1.1cm and a height of 1.2cm, the hand-held part has a diameter of 1.4cm and a height of 0.2cm, and the calibration head has a height of 0.2cm and a bottom diameter of 0.2 cm.

9. The proofreading assembly of claim 7, wherein the collimator is an integrally formed stainless steel collimator.

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