CN116649972B - Blood collection auxiliary device for blood culture bottle - Google Patents
Blood collection auxiliary device for blood culture bottle Download PDFInfo
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- CN116649972B CN116649972B CN202310814783.6A CN202310814783A CN116649972B CN 116649972 B CN116649972 B CN 116649972B CN 202310814783 A CN202310814783 A CN 202310814783A CN 116649972 B CN116649972 B CN 116649972B
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- 239000008280 blood Substances 0.000 title claims abstract description 103
- 210000004369 blood Anatomy 0.000 title claims abstract description 103
- 238000009640 blood culture Methods 0.000 title claims abstract description 24
- 238000010241 blood sampling Methods 0.000 claims abstract description 242
- 239000011159 matrix material Substances 0.000 claims abstract description 70
- 210000003205 muscle Anatomy 0.000 claims abstract description 65
- 230000036558 skin tension Effects 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 13
- 210000003462 vein Anatomy 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 40
- 230000002439 hemostatic effect Effects 0.000 claims description 8
- 210000000577 adipose tissue Anatomy 0.000 claims description 6
- 230000006399 behavior Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 206010021118 Hypotonia Diseases 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000036640 muscle relaxation Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000740 bleeding effect Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 210000004177 elastic tissue Anatomy 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000001953 sensory effect Effects 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
Classifications
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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
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/224—Measuring muscular strength
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
Abstract
The invention relates to the technical field of medical equipment, in particular to a blood collection auxiliary device of a blood culture bottle, which comprises: a base band for stabilizing the blood sampling auxiliary device; the binding band is used for fixing the relative position of the to-be-sampled part of the user and the baseband; a sensing matrix to sense skin tone and muscle pressure; a blood sampling matrix for performing a blood sampling operation at a position where blood sampling conditions are reached; the prompting matrix comprises a plurality of lamp bands used for prompting the blood sampling process in a light mode; the central control module is used for adjusting the layout method of the blood sampling auxiliary device according to vein distribution, controlling the blood sampling operation and the light mode of the prompt matrix according to skin tension and muscle pressure.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a blood collection auxiliary device for a blood culture bottle.
Background
Blood collection is an important component of medical detection, and has very wide application, and in blood collection, the unconscious stress behavior of a blood collection user can cause failure of blood collection operation, so that the user is damaged.
Chinese patent application publication No.: CN113499116B discloses a blood collection auxiliary device comprising a base, a tightening seat and a hemostatic assembly. The tightening seat is arranged at one end of the base. The tightening seat is provided with a through hole for the arm to pass through. The tightening seat is matched with the tightening assembly provided with a tightening arm through the hole. The base is used for placing the elbow. The hemostatic assembly comprises a winding wheel, an unwinding wheel and a pressing piece. The unreeling wheel is matched with the tourniquet roll. The winding wheel is used for winding the tourniquet of the tourniquet roll. The pressing piece is used for pressing the tourniquet to the arm. The patient's hand is passed through the pass-through aperture such that the elbow lies flat above the base. The tightening assembly acts and tightens the arm. The arm of the patient is fixed, and arm movement in the blood sampling process is avoided. When blood collection is completed, the winding wheel and the unwinding wheel act cooperatively, so that the tourniquet moves to the front end of the pressing piece. The tourniquet can be stuck to the puncture part of the arm by the action of the pressing part, so that the hemostatic action is completed.
However, the above method has the following problems: blood sampling obstruction caused by stress behaviors of users cannot be effectively avoided.
Disclosure of Invention
Therefore, the invention provides a blood collection auxiliary device for a blood culture bottle, which is used for solving the problem that the success rate of blood collection operation is reduced because blood collection is blocked due to stress behaviors of users in the prior art.
To achieve the above object, the present invention provides a blood collection assisting device for a blood culture bottle, comprising:
a base tape for installing and stabilizing the blood sampling auxiliary device;
the binding band is arranged on the base band and used for fixing the relative position of the to-be-sampled part of the user and the base band;
the sensing matrix is arranged on one side of the base band close to the skin of a user and is used for sensing skin tension and muscle pressure;
the blood sampling matrix is arranged on the base band and is used for carrying out blood sampling operation at a position reaching blood sampling conditions;
the prompt matrix is arranged on the base band and comprises a plurality of lamp bands used for prompting the blood sampling process in a light mode;
the central control module is connected with the sensing matrix, the blood sampling matrix and the prompt matrix and used for adjusting a blood sampling auxiliary device layout method according to vein distribution, controlling the blood sampling operation and the light mode of the prompt matrix according to skin tension and muscle pressure, and controlling the blood sampling speed according to the muscle pressure sensed by the sensing matrix in the blood sampling process.
The blood sampling condition is that the skin tension reaches a preset standard interval and the muscle pressure is smaller than a preset pressure threshold, and the light mode comprises a blood sampling light mode and a prompt light mode;
wherein the preset standard interval is related to the age and weight of the hemostix, and the preset pressure threshold is related to the body fat rate of the hemostix.
Further, the sensing matrix includes:
the pressure sensors are used for sensing stress behaviors generated by the skin to test muscle pressure and are uniformly distributed on the base band;
and the tension sensors are of strip structures and are arranged on the base band and used for sensing tension generated by skin.
Further, the lancing matrix includes:
the blood sampling probes are arranged between the tension sensors and used for contacting with the skin of a user so as to perform blood sampling operation;
the blood sampling needles are arranged on the blood sampling probes and are used for sampling blood from corresponding positions when the blood sampling conditions are reached;
wherein the blood sampling probe is provided with a needle changing action, and the corresponding blood sampling needle is changed after the blood sampling is performed once.
Further, the sensing matrix, the blood sampling matrix and the prompting matrix are provided with modularized corresponding relations;
the modularized corresponding relation is that a single blood sampling probe in the blood sampling matrix, a single blood sampling needle and a certain section of lamp strip in the prompt matrix form a single blood sampling unit together, and the central control module adjusts the arrangement positions of the blood sampling units on the base band and the number of the blood sampling units according to the vein distribution of the blood sampling positions.
Further, before blood collection, the sensing matrix senses skin tension of each area, a minimum tension threshold value and a maximum tension threshold value are arranged in the central control module, and for skin tension of a single area, the central control module judges the skin tension of the area to determine whether blood collection can be carried out in the area;
if the skin tension is not greater than the minimum tension threshold, the central control module judges that the skin of the area is loose and judges that blood cannot be collected in the area;
if the skin tension is not less than the maximum tension threshold, the central control module judges that the skin tension of the area is overlarge, stress reaction is easy to generate, and judges that blood cannot be collected in the area;
if the skin tension is greater than the minimum tension threshold and less than the maximum tension threshold, the central control module judges that the skin in the area is in a blood sampling state and further judges according to the muscle pressure;
the minimum tension threshold is tension corresponding to skin relaxation, and the maximum tension threshold is tension corresponding to skin tension.
Further, a preset pressure threshold value is arranged in the central control module, the central control module judges whether the blood sampling position corresponding to the region reaches the blood sampling condition according to the muscle pressure to judge,
if the muscle pressure is greater than the preset pressure threshold, the central control module judges that the muscle of the blood sampling part is sensitive, and judges that the area does not reach the blood sampling condition;
if the muscle pressure is smaller than or equal to the preset pressure threshold, the central control module judges that the muscle of the blood sampling part is relaxed, and judges that the area reaches the blood sampling condition;
the preset pressure threshold is a pressure threshold corresponding to muscle relaxation.
Further, the prompting matrix is changed into a blood sampling light mode when the blood sampling position reaching the blood sampling condition is changed into the blood sampling light mode, or is changed into the prompting light mode to prompt the replacement of the blood sampling position or execute the blood sampling auxiliary measure when any one of the blood sampling positions covered by the blood sampling matrix does not reach the blood sampling condition;
the blood sampling lamplight mode comprises a plurality of brightness and saturation, and when the central control module detects that at least two blood sampling positions reach the blood sampling condition, lamplights with different brightness or different saturation are displayed on each blood sampling position to prompt blood sampling priority;
the lancing priority is related to the muscle pressure and skin tension of the lancing site.
Further, the central control module controls the blood sampling probe to extend out of the blood sampling needle and presses down the blood sampling probe to sample blood at the blood sampling position with the highest blood sampling priority, or performs manual blood sampling at the position with the highest blood sampling priority.
Further, in the blood sampling process, the pressure sensor corresponding to the blood sampling part senses the muscle pressure of the blood sampling part in real time, and when the muscle pressure is larger than the preset pressure threshold value, the blood sampling speed is reduced according to the difference value between the muscle pressure and the preset pressure threshold value.
Further, the blood sampling probe determines the blood sampling needle pulling-out speed according to the muscle pressure when the blood sampling is finished, and the binding band is unbinding after the blood sampling is finished and executes the hemostatic action.
Compared with the prior art, the invention has the beneficial effects that the part to be blood sampled is marked or automatically sampled by means of setting the baseband, the binding belt, the sensing matrix, the blood sampling matrix, the prompt matrix and the central control module, so that the sensory quality of users is effectively improved, and the success rate of blood sampling operation is effectively improved.
And the tension and the muscle pressure of the skin are judged by arranging a plurality of pressure sensors and a plurality of tension sensors, and the blood sampling position suitable for blood sampling is determined, so that the pain of a user is effectively relieved, and the success rate of blood sampling operation is further improved.
Further, through setting up the mode of a plurality of blood sampling probes and a plurality of blood taking needle, hide the actual region of going on of blood sampling operation, when effectively having eliminated user's psychological stress effect, further promoted the success rate of blood sampling operation.
Further, the central control module adjusts the arrangement positions of the blood sampling units on the base band and the number of the blood sampling units according to the vein distribution of the blood sampling positions, so that the pertinence and the flexibility of the blood sampling auxiliary device are improved, and the success rate of blood sampling operation is further improved.
Furthermore, the lamplight mode of the prompt matrix can effectively prompt the blood sampling process, judges the blood sampling priority through muscle pressure and skin tension in the blood sampling lamplight mode, displays the blood sampling difficulty of each blood sampling part through lamplight with different brightness or saturation, improves the blood sampling working efficiency and intuitiveness, and further improves the success rate of blood sampling operation.
Furthermore, the central control module adjusts the blood sampling speed according to the muscle pressure, the muscle pressure greatly indicates discomfort of the blood sampling part caused by the too high blood sampling speed, and the blood sampling speed is reduced, so that the sensory quality of a user is effectively improved, and the success rate of blood sampling operation is further improved.
Further, when the blood taking needle is pulled out, the pulling speed is adjusted according to the muscle pressure, so that the pain or discomfort caused by excessive bleeding or too slow bleeding caused by too high pulling speed is effectively avoided, and the success rate of blood taking operation is further improved.
Drawings
FIG. 1 is a block diagram showing the structure of a blood collection assisting device for a blood culture flask according to the present invention.
FIG. 2 is a schematic diagram showing a blood collection assisting device for a blood culture flask according to an embodiment of the invention
FIG. 3 is a baseband development diagram of an embodiment of the present invention
FIG. 4 is a schematic view of a blood sampling probe according to an embodiment of the present invention
FIG. 5 is an internal development view of a blood collection auxiliary device for a blood culture flask according to an embodiment of the present invention
FIG. 6 is an external development view of a blood collection auxiliary device for a blood culture flask according to an embodiment of the present invention
In the figure: 1, binding bands; 2, a blood sampling probe; 3, a wire outlet; 4, elastic fiber; 5, cellulose fiber; 6, elastic fiber connection parts; 7, a blood taking needle; 8, elastically supporting the shell; 9, mounting a tension sensor; 10, a blood sampling pipeline; 11, a baseband; 12, magic tape; 13, a lamp strip; 14 blood pooling station.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, but do not indicate or imply that the apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a schematic structural diagram of a blood collection assisting device for a blood culture bottle according to the present invention, the blood collection assisting device based on the blood culture bottle is characterized by comprising:
a base tape for installing and stabilizing the blood sampling auxiliary device;
the binding band is arranged on the base band and used for fixing the relative position of the to-be-sampled part of the user and the base band;
preferably, the binding band is made of elastic material, and is bound on the part to be sampled of the user under preset pressure during operation,
the preset pressure is the corresponding binding pressure for venous blood sampling.
The sensing matrix is arranged on one side of the base band close to the skin of a user and is used for sensing skin tension and muscle pressure;
the blood sampling matrix is arranged on the baseband and is used for carrying out blood sampling operation at the position reaching the blood sampling condition;
the prompting matrix is arranged on the base band and comprises a plurality of lamp bands used for prompting the blood sampling process in a light mode;
the central control module is connected with the sensing matrix, the blood sampling matrix and the prompt matrix and used for adjusting the layout method of the blood sampling auxiliary device according to vein distribution, controlling the blood sampling operation and the light mode of the prompt matrix according to skin tension and muscle pressure, and controlling the blood sampling speed according to the muscle pressure sensed by the sensing matrix in the blood sampling process.
Referring to fig. 2, a schematic structural diagram of a blood collection auxiliary device for a blood culture bottle according to an embodiment of the present invention is shown, wherein optionally, a binding band 1 and a plurality of binding bands parallel to the binding band 1 are arranged at the outermost side of the device, the number and positions of the binding bands are determined according to the installation position of the device, and blood collected by a blood collection probe 2 and a plurality of blood collection probes is output to the blood culture bottle through a wire outlet 3.
Optionally, the blood sampling probe is internally provided with a PLC, and the sensing matrix and the prompt matrix are wirelessly connected with the central control module by adopting the internet of things technology so as to acquire sensing matrix data and control the blood sampling matrix and the prompt matrix to work.
The blood sampling condition is that the skin tension reaches a preset standard interval and the muscle pressure is smaller than a preset pressure threshold, and the lamplight modes comprise a blood sampling lamplight mode and a prompting lamplight mode;
the preset standard interval is related to the age and weight of the blood taker, and the preset pressure threshold is related to the body fat rate of the blood taker.
Example 1: a certain user needs to take blood and culture the blood, the weight of the blood is 70 kg, the age is 35 years, the body fat rate is 25%, the preset pressure threshold value is set to be 5N according to the information, and the preset standard interval is set to be 2N to 10N. The blood sampling condition of the user is that the skin tension is more than 2N and less than 10N after the binding band is tightened
Muscle pressure is less than or equal to 5N.
Example 2: a certain user needs to take blood and culture the blood, the weight of the blood is 30 kg, the age is 10 years, the body fat rate is 35%, the preset pressure threshold value is set to be 3N according to the information, and the preset standard interval is set to be 2N to 7N. The blood sampling condition of the user is that the skin tension is more than 2N and less than 7N after the binding band is tightened
Muscle pressure is less than or equal to 3N.
Example 3: a certain user needs to take blood and culture the blood, the weight of the blood is 60 kg, the age is 55 years, the body fat rate is 45%, the preset pressure threshold value is set to be 2N according to the information, and the preset standard interval is 1N to 10N. The blood sampling condition of the user is that the skin tension is more than 2N and less than 10N after the binding band is tightened
Muscle pressure is less than or equal to 2N.
Specifically, the sensing matrix includes:
the pressure sensors are used for sensing stress behaviors generated by the skin to test muscle pressure and are uniformly distributed on the base band;
referring to fig. 3, which is an expanded view of a base band according to the present invention, optionally, the base band is composed of elastic fibers 4 with high elasticity and cellulose fibers 5 with low elasticity and high tensile strength, and the pressure sensor is a micro pressure sensor, which is installed at the joint 6 of the elastic fibers of the base band in the figure to detect the pressure change of the muscle after the binding band is tightened;
the tension sensors are of strip-shaped structures and are arranged on the base band and used for sensing tension generated by skin.
Specifically, the blood sampling matrix includes:
the blood sampling probes are arranged between the tension sensors and are used for contacting with the skin of a user so as to perform blood sampling operation;
the blood sampling needles are arranged on the blood sampling probes and are used for sampling blood from corresponding positions when blood sampling conditions are reached;
wherein the blood sampling probe is provided with a needle changing action, and the corresponding blood sampling needle is changed after the single blood sampling.
Referring to fig. 4, which is a schematic diagram of a blood sampling probe according to the present invention, optionally, a tension sensor is installed at the end of the blood sampling probe contacting with skin, i.e. the tension sensor installation surface in the figure, after the base band is installed, the elastic support housing is pressed and becomes a plane, at this time, the probe is completely attached to the skin, and when the blood sampling probe is used for sampling blood, the probe extends out of the blood sampling needle 7 for sampling blood, and is output through the blood sampling pipeline 10.
Through setting up the mode of a plurality of blood sampling probes and a plurality of blood taking needle, hide the actual region of going on of blood sampling operation, when effectively having eliminated user's psychological stress effect, further promoted the success rate of blood sampling operation.
Referring to fig. 5, which is an internal development view of a blood collection auxiliary device for a blood culture bottle according to an embodiment of the present invention, optionally, velcro strips for fixing are provided on two sides of a base band 11, a plurality of blood collection probes are fixed on the base band 11, the ends of the blood collection probes are output to a blood collection station and are merged into the same blood culture bottle, and when any blood collection needle is used for collecting blood, the blood collection station opens a corresponding pipeline of the blood collection needle and closes the pipelines of the other blood collection probes.
Referring to fig. 6, which is an external development view of a blood collection auxiliary device for a blood culture bottle according to an embodiment of the present invention, a light band 13 and other light bands are installed on an outer surface of a base band 11, and a central control module is provided with a corresponding relationship between a single light band and a single blood collection probe.
Specifically, the sensing matrix, the blood sampling matrix and the prompting matrix are provided with modularized corresponding relations;
the modularized corresponding relation is that a single blood sampling probe and a single blood sampling needle in the blood sampling matrix and a certain section of light belt in the prompt matrix form a single blood sampling unit together, and the central control module adjusts the arrangement positions of the blood sampling units on the base band and the number of the blood sampling units according to the vein distribution of the blood sampling positions.
Specifically, before blood collection, the sensing matrix senses skin tension of each area, a minimum tension threshold value and a maximum tension threshold value are arranged in the central control module, and for the skin tension of a single area, the central control module judges the skin tension of the area to determine whether blood collection can be carried out in the area;
if the skin tension is not greater than the minimum tension threshold, the central control module judges that the skin of the area is loose and judges that blood cannot be collected in the area;
if the skin tension is not less than the maximum tension threshold, the central control module judges that the skin tension of the area is too high, stress reaction is easy to generate, and judges that blood cannot be collected in the area;
if the skin tension is larger than the minimum tension threshold and smaller than the maximum tension threshold, the central control module judges that the skin in the area is in a blood sampling state, and further judges according to the muscle pressure;
the minimum tension threshold is the tension corresponding to skin relaxation, and the maximum tension threshold is the tension corresponding to skin tension.
Specifically, a preset pressure threshold value is arranged in the central control module, the central control module judges whether the region reaches the blood sampling condition according to the muscle pressure,
if the muscle pressure is greater than a preset pressure threshold, the central control module judges that the muscle of the blood sampling part is sensitive, and judges that the area does not reach the blood sampling condition;
if the muscle pressure is smaller than or equal to a preset pressure threshold, the central control module judges that the muscle of the blood sampling part is relaxed, and judges that the area reaches the blood sampling condition;
the preset pressure threshold is a pressure threshold corresponding to muscle relaxation.
The mode that sets up a plurality of pressure sensors and a plurality of tension sensors judges skin's tension and muscle pressure, confirms the blood sampling position that is fit for taking blood, when effectively alleviateed user's sense of pain, has further promoted the success rate of blood sampling operation.
Specifically, the prompting matrix is changed into a blood sampling light mode when a blood sampling position reaching a blood sampling condition is changed into the blood sampling light mode, or is changed into the prompting light mode to prompt the replacement of the blood sampling position or execute blood sampling auxiliary measures when any blood sampling position covered by the blood sampling matrix does not reach the blood sampling condition;
the blood sampling lamplight mode comprises a plurality of brightness and saturation, and when the central control module detects that at least two blood sampling positions reach blood sampling conditions, lamplights with different brightness or different saturation are displayed on each blood sampling position to prompt blood sampling priority;
example 3: in the blood sampling process of a certain user, the sensing matrix senses that A, B, C, D and E5 blood sampling positions meet blood sampling conditions, the central control module calculates the difference value between a preset pressure threshold value and muscle pressure, blood sampling priorities of the 5 blood sampling positions are ordered from small to large according to the difference value, the priorities are A, D, E, B, C from large to small, the central control module controls a lamp band corresponding to the A blood sampling position to emit green lamp light with the saturation of 100% in 500 lumens, a lamp band corresponding to the D blood sampling position to emit green lamp light with the saturation of 100% in 400 lumens, a lamp band corresponding to the E blood sampling position to emit green lamp light with the saturation of 100% in 300 lumens, a lamp band corresponding to the B blood sampling position to emit green lamp light with the saturation of 100% in 200 lumens, and a lamp band corresponding to the E blood sampling position to emit green lamp light with the saturation of 50% in 100 lumens.
The lancing priority is related to muscle pressure and skin tension at the lancing site.
The lamplight mode of the prompt matrix can effectively prompt the blood sampling process, judges the blood sampling priority through muscle pressure and skin tension in the blood sampling lamplight mode, displays the blood sampling difficulty of each blood sampling part through lamplight with different brightness or saturation, improves the blood sampling working efficiency and intuitiveness, and further improves the success rate of blood sampling operation.
Specifically, the central control module controls the blood sampling probe to extend out of the blood sampling needle and presses down the blood sampling probe to sample blood at the blood sampling position with the highest blood sampling priority, or performs manual blood sampling at the position with the highest blood sampling priority;
specifically, in the blood collection process, the pressure sensor corresponding to the blood collection part senses the muscle pressure of the blood collection part in real time, and when the muscle pressure is larger than a preset pressure threshold value, the blood collection speed is reduced according to the difference value between the muscle pressure and the preset pressure threshold value.
The central control module adjusts the blood sampling speed according to the muscle pressure, the muscle pressure greatly indicates discomfort of the blood sampling part caused by too high blood sampling speed, and the blood sampling speed is reduced, so that the success rate of blood sampling operation is further improved while the sensory quality of users is effectively improved.
Specifically, the blood sampling probe determines the blood sampling needle pulling-out speed according to the muscle pressure at the end of blood sampling, and the binding band is unbinding after the blood sampling and executes the hemostatic action.
Wherein the hemostatic action is to stop bleeding by pressing or by covering a medical hemostatic instrument.
Specifically, the central control module controls the blood sampling matrix to be pressed down to the corresponding skin at the blood sampling position and the adjacent blood sampling probes, and performs blood sampling operation on the blood sampling position reaching the blood sampling condition.
According to the muscle pressure, the blood taking needle is adjusted in the pulling speed when being pulled out, so that the pain or discomfort caused by excessive bleeding or too slow bleeding caused by too high pulling speed is effectively avoided, and the success rate of blood taking operation is further improved.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A blood collection assist device for a blood culture bottle, comprising:
a base tape for installing and stabilizing the blood sampling auxiliary device;
the binding band is arranged on the base band and used for fixing the relative position of the to-be-sampled part of the user and the base band;
the sensing matrix is arranged on one side of the base band close to the skin of a user and is used for sensing skin tension and muscle pressure;
the blood sampling matrix is arranged on the base band and is used for carrying out blood sampling operation at a position reaching blood sampling conditions;
the prompt matrix is arranged on the base band and comprises a plurality of lamp bands used for prompting the blood sampling process in a light mode;
the central control module is connected with the sensing matrix, the blood sampling matrix and the prompt matrix and used for adjusting a blood sampling auxiliary device layout method according to vein distribution, controlling the blood sampling operation and the light mode of the prompt matrix according to the skin tension and the muscle pressure, and controlling the blood sampling speed according to the muscle pressure sensed by the sensing matrix in the blood sampling process;
the blood sampling condition is that the skin tension reaches a preset standard interval and the muscle pressure is smaller than a preset pressure threshold, and the light mode comprises a blood sampling light mode and a prompt light mode;
wherein the preset standard interval is related to the age and weight of the hemostix, and the preset pressure threshold is related to the body fat rate of the hemostix.
2. The blood culture bottle blood collection assist device of claim 1 wherein the sensing matrix comprises:
the pressure sensors are used for sensing stress behaviors generated by the skin to test muscle pressure and are uniformly distributed on the base band;
and the tension sensors are of strip structures and are arranged on the base band and used for sensing tension generated by skin.
3. The blood culture bottle lancing auxiliary device according to claim 2, wherein the lancing matrix comprises:
the blood sampling probes are arranged between the tension sensors and used for contacting with the skin of a user so as to perform blood sampling operation;
the blood sampling needles are arranged on the blood sampling probes and are used for sampling blood from corresponding positions when the blood sampling conditions are reached;
wherein the blood sampling probe is provided with a needle changing action, and the corresponding blood sampling needle is changed after the blood sampling is performed once.
4. The blood collection assist device of claim 1 wherein the sensing matrix, the blood collection matrix and the cue matrix are provided with a modular correspondence;
the modularized corresponding relation is that a single blood sampling probe in the blood sampling matrix, a single blood sampling needle and a certain section of lamp strip in the prompt matrix form a single blood sampling unit together, and the central control module adjusts the arrangement positions of the blood sampling units on the base band and the number of the blood sampling units according to the vein distribution of the blood sampling positions.
5. The blood collection assist device of claim 4 wherein the sensing matrix senses skin tension in each region prior to collection, wherein a minimum tension threshold and a maximum tension threshold are provided in the central control module, and wherein for skin tension in a single region, the central control module determines skin tension in that region to determine whether collection can be performed in that region;
if the skin tension is not greater than the minimum tension threshold, the central control module judges that the skin of the area is loose and judges that blood cannot be collected in the area;
if the skin tension is not less than the maximum tension threshold, the central control module judges that the skin tension of the area is overlarge, stress reaction is easy to generate, and judges that blood cannot be collected in the area;
if the skin tension is greater than the minimum tension threshold and less than the maximum tension threshold, the central control module judges that the skin in the area is in a blood sampling state and further judges according to the muscle pressure;
the minimum tension threshold is tension corresponding to skin relaxation, and the maximum tension threshold is tension corresponding to skin tension.
6. The blood collection assisting device for the blood culture bottle according to claim 5, wherein a preset pressure threshold value is arranged in the central control module, the central control module judges whether the blood collection position corresponding to the region reaches the blood collection condition according to muscle pressure to judge,
if the muscle pressure is greater than the preset pressure threshold, the central control module judges that the muscle of the blood sampling part is sensitive, and judges that the area does not reach the blood sampling condition;
if the muscle pressure is smaller than or equal to the preset pressure threshold, the central control module judges that the muscle of the blood sampling part is relaxed, and judges that the area reaches the blood sampling condition;
the preset pressure threshold is a pressure threshold corresponding to muscle relaxation.
7. The blood-culturing-bottle blood-taking assisting device according to claim 6, wherein the prompting matrix is changed to a blood-taking light mode when a blood-taking site that reaches the blood-taking condition or to a prompting light mode to prompt replacement of a blood-taking site or to execute a blood-taking assisting measure when any one of the blood-taking sites covered by the blood-taking matrix does not reach the blood-taking condition;
the blood sampling lamplight mode comprises a plurality of brightness and saturation, and when the central control module detects that at least two blood sampling positions reach the blood sampling condition, lamplights with different brightness or different saturation are displayed on each blood sampling position to prompt blood sampling priority;
the lancing priority is related to the muscle pressure and skin tension of the lancing site.
8. The blood collection support device for a blood culture bottle according to claim 7, wherein the central control module controls the blood collection probe to extend out of the blood collection needle and presses down the blood collection probe to collect blood at a blood collection site with a highest blood collection priority, or performs manual blood collection at a position with a highest blood collection priority.
9. The blood collection assist device for a blood culture bottle according to claim 8, wherein the pressure sensor corresponding to the blood collection part senses the muscle pressure of the blood collection part in real time during the blood collection, and the central control module reduces the blood collection speed according to the difference between the muscle pressure and the preset pressure threshold when the muscle pressure is greater than the preset pressure threshold.
10. The blood collection assist device for a blood culture bottle according to claim 9, wherein the blood collection probe determines a withdrawal speed of the blood collection needle according to a muscle pressure at the end of the blood collection, and the withdrawal strap is unbundled and performs a hemostatic action.
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| EP2241246A1 (en) * | 2009-04-14 | 2010-10-20 | Koninklijke Philips Electronics N.V. | Using muscle tension sensing to locate an analyte measurement site on the skin |
| CA3089513A1 (en) * | 2018-01-24 | 2019-08-01 | Cosmed Pharmaceutical Co., Ltd. | Tight-binding device for micro-needle |
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