CN209770389U - A auxiliary device for tip blood collection - Google Patents
A auxiliary device for tip blood collection Download PDFInfo
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- CN209770389U CN209770389U CN201920232055.3U CN201920232055U CN209770389U CN 209770389 U CN209770389 U CN 209770389U CN 201920232055 U CN201920232055 U CN 201920232055U CN 209770389 U CN209770389 U CN 209770389U
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- side extrusion
- finger
- wrist
- electric push
- push rod
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Abstract
the utility model relates to an auxiliary device for tip blood collection includes: a base; the blood squeezing device comprises a finger fixing mechanism, a wrist fixing mechanism and a blood squeezing mechanism, wherein the finger fixing mechanism and the wrist fixing mechanism are arranged on a base; the blood squeezing mechanism comprises: the X-direction electric push rod and the sliding seat driven by the X-direction electric push rod; the Y-direction electric push rod is arranged on the top surface of the sliding seat; the right side extrusion plate is driven by the Y-direction electric push rod; a right side extrusion pad is arranged on the right side extrusion plate, and the right side extrusion pad and the Y-direction electric push rod are respectively positioned on two sides of the right side extrusion plate; a left side extrusion plate corresponding to the right side extrusion plate is arranged on the side surface of the sliding seat; and the left side extrusion pad corresponds to the right side extrusion pad and is arranged on the left side extrusion plate. Use the utility model discloses gather peripheral blood and can reduce the occupation and expose, all be suitable for adult and school age children.
Description
Technical Field
the invention relates to the technical field of medical instruments, in particular to an auxiliary device for peripheral blood collection.
background
Currently, peripheral blood collection is usually finger belly bleeding by hand squeeze of medical personnel. The main process involves pricking the patient's finger, squeezing the finger regularly (one tight or one loose), and collecting blood after it has flowed out of the tip of the finger through the body circulation. For some patients, if the amount of bleeding is small, the medical staff needs to pinch the patient's finger, push it in the direction of the patient's fingertip, and then release the patient's finger. Repeating the above steps for multiple times until the peripheral blood sampling amount reaches the requirement.
however, in the blood collection process, the medical care personnel usually wear the gloves to collect blood from the self-supporting patients and squeeze the finger blood, so that occupational exposure is easily caused. If the blood sampling object is a school-age child or other group with lower coordination program, the blood is difficult to be extruded into drops, the collected blood sample is also affected, the palm is easy to be polluted, and the peripheral blood collection difficulty is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an auxiliary device for peripheral blood collection. The auxiliary device provided by the invention can fix the fingers of a patient, and can simulate the extrusion and pushing actions of the fingers of medical personnel, so that the collected blood meets the requirements, and occupational exposure can be avoided.
in order to achieve the purpose, the invention adopts the following technical scheme:
An accessory device for peripheral blood collection, comprising:
a base;
The blood squeezing device comprises a finger fixing mechanism, a wrist fixing mechanism and a blood squeezing mechanism, wherein the finger fixing mechanism and the wrist fixing mechanism are arranged on a base;
the blood squeezing mechanism comprises:
An electric push rod is arranged in the X direction,
And a sliding seat driven by the X-direction electric push rod;
the Y-direction electric push rod is arranged on the top surface of the sliding seat;
the right side extrusion plate is driven by the Y-direction electric push rod;
a right side extrusion pad is arranged on the right side extrusion plate, and the right side extrusion pad and the Y-direction electric push rod are respectively positioned on two sides of the right side extrusion plate;
A left side extrusion plate corresponding to the right side extrusion plate is arranged on the side surface of the sliding seat;
the left side extrusion pad corresponds to the right side extrusion pad and is arranged on the left side extrusion plate;
and a space for accommodating the fingers of the patient is arranged between the left side compression pad and the right side compression pad.
preferably, the finger fixing mechanism includes:
the Z-direction sleeve is fixedly connected with the base;
and a first support rod which is matched with the Z-direction sleeve in a sliding way and can be fastened by a knob;
The top end of the first supporting rod is fixedly connected with a finger positioner, and the finger positioner is provided with a through hole for accommodating the far-end interphalangeal joint of a finger;
Wherein the knob is in threaded fit with the Z-sleeve.
preferably, the wrist fixing mechanism comprises:
the second supporting rod is movably connected to the base;
The lower wrist positioner is fixedly connected with the second supporting rod;
And an upper wrist anchor hinged to the lower wrist anchor;
wherein, the unconnected end of the lower wrist fixer and the upper wrist fixer is correspondingly provided with a plug hole.
preferably, the left side pressing pad and the right side pressing pad are provided with arc-shaped concave parts for accommodating fingers.
preferably, one side of the upper wrist fixer is fixedly connected with a limiting plate for limiting the rotation of the back of the hand;
Wherein, the limiting plate is positioned between the upper wrist fixer and the blood squeezing mechanism.
Preferably, the left side pressing pad and the right side pressing pad are both latex pads (or sponge pads).
preferably, the second support rod is in threaded connection with the base.
preferably, the sliding seat and the sliding rail form a sliding pair, and the sliding rail is fixedly connected to the base.
The invention has the beneficial effects that:
(1) the distance change through left side and right side extrusion pad simulates medical personnel and indicates to extrude the patient, realizes that tip blood gathers. To the less patient of bleeding volume can rely on X to drive left side and right side extrusion pad X to removing to electric putter, simulate medical personnel's finger and pinch the action of pushing away to the patient fingertip after patient's finger, reduced occupation exposure.
(2) medical personnel can further reduce occupational exposure risk at patient's side direction operation in the blood sampling process.
(3) the finger positioner can be lifted, so that the applicable population of the invention is expanded, and the finger positioner is applicable to both children and adults in school age.
(4) can fix school age children's wrist and finger through finger fixed establishment and wrist fixed establishment to restriction school age children back of the hand rotates under the cooperation of limiting plate, and then ensure that school age children's finger can't remove among the blood sampling process, guarantee that tip blood collection accomplishes smoothly.
(5) the blood squeezing part is completed by machinery, so that the squeezing force degree is approximately equal every time, the speed is approximately equal in the X-direction moving process after the squeezing pad squeezes the finger, and the blood can drip out along the finger lines at a constant speed.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is an upper and lower isometric view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a right side view of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a state view of the present invention applied to blood collection for adults;
wherein:
A base 1;
A finger fixing mechanism 2;
The finger locator 201, a through hole 202, a first support rod 203, a knob 204 and a Z-direction sleeve 205;
A blood-extruding mechanism 3;
A Y-direction electric push rod 301, a right side extrusion plate 302, a right side extrusion pad 303, a left side extrusion plate 304, an arc-shaped concave part 305, a left side extrusion pad 306, a sliding seat 307, a sliding rail 308 and an X-direction electric push rod 309;
A wrist fixing mechanism 4;
A limiting plate 401, an upper wrist fixer 402, a plug hole 403, a lower wrist positioner 404 and a second supporting rod 405;
And a controller 5.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example (b): as shown in fig. 1, 4, 5 and 6, an auxiliary device for peripheral blood collection mainly comprises:
a base 1. The blood transfusion device comprises a finger fixing mechanism 2, a wrist fixing mechanism 4 and a blood squeezing mechanism 3, wherein the finger fixing mechanism 2 and the wrist fixing mechanism 4 are arranged on a base 1, the blood squeezing mechanism 3 is positioned between the finger fixing mechanism 2 and the wrist fixing mechanism 4, and a controller 5 is used for controlling the action of the blood squeezing mechanism 3.
The milking mechanism 3 includes:
An electric push rod 309 is driven in the X direction,
And a slide base 307 driven by a piston rod of the X-direction electric push rod 309. The sliding seat 307 can be driven by the X-direction electric push rod 309 to move along the X-axis positive direction and the X-axis negative direction. Specifically, the sliding seat 307 and the sliding rail 308 form a sliding pair, and the sliding rail 308 is fixedly connected to the base 1.
a Y-direction electric push rod 301 is arranged on the top surface of the sliding seat 307;
and a right pressing plate 302 driven by a piston rod of the Y-direction electric push rod 301. The right side extrusion plate 302 can be driven by the Y-direction electric push rod 301 to move along the Y-axis positive direction and the Y-axis negative direction.
The right side extrusion plate 302 is fixedly connected with a right side extrusion pad 303, and the right side extrusion pad 303 and the Y-direction electric push rod 301 are respectively positioned at two sides of the right side extrusion plate 302.
a left side extrusion plate 304 corresponding to the right side extrusion plate 302 is arranged on the side surface of the sliding seat 307;
And a left pressing pad 306 corresponding to the right pressing pad 303 and mounted on the left pressing plate 304. The right side pressing pad 303 is provided with an arc-shaped concave part 305 which is opened towards the left side pressing pad 306. Meanwhile, the left side pressing pad 306 is also correspondingly provided with an arc-shaped concave part 305 which is opened towards the right side pressing pad 303. Between the two arc-shaped recesses 305 is a space for accommodating the patient's fingers.
From the viewpoint of improving the blood squeezing effect, the left side compression pad 306 and the right side compression pad 303 should be selected to have a higher elasticity. For example, both may be latex pads, sponge pads, or air pads. The air cushion is internally of a hollow structure, can be well attached to the fingers of a patient, and has good coating property and comfort. Meanwhile, from the sanitary perspective, the extrusion pad can be a disposable extrusion pad, and a disposable sanitary film can be adhered on the extrusion pad, so that cross infection in the blood sampling process of different patients is avoided.
referring to fig. 1, 2 and 3, the finger fixing mechanism 2 mainly comprises a Z-shaped sleeve 205 fixedly connected with the base 1; and a first support rod 203 slidably engaged with the Z-sleeve interior 205 and capable of being fastened by a knob 204.
The top end of the first supporting rod 203 is fixedly connected with the finger positioner 201; the finger locator 201 is provided with a through hole 202 for accommodating the distal interphalangeal joint of a finger; wherein the knob 204 is in threaded engagement with the Z-sleeve 205. The fixing of the first support rod 203 can be achieved by the rotation of the knob 204.
after the finger fixing mechanism 2 adopts the above structure, the finger positioner 201 can be adjusted up and down (in the Z direction), so that the applicable crowd range of the invention is conveniently expanded, and the finger fixing mechanism is applicable to both adults and children of school age.
the wrist fixing mechanism 4 comprises a second support rod 405 movably connected to the base 1. The top of the second support bar 405 is fixedly connected to the lower wrist positioner 404. The lower wrist positioner 404 is hingedly connected to the upper wrist holder 402. Between the upper wrist holder 402 and the lower wrist holder 404 is a space for accommodating the wrist of the patient. Wherein, the unconnected end of the lower wrist fixer 404 and the upper wrist fixer 402 is correspondingly provided with a plug hole 403.
For some school-age children, the children themselves have great fear of collecting peripheral blood, and the cooperation of blood collection is difficult. In order to solve the problem, the invention is characterized in that a limiting plate 401 for limiting the rotation of the back of the child hand is fixedly connected to the upper wrist fixer 402, and the limiting plate 401 is positioned between the upper wrist fixer 402 and the finger positioner 201.
After the wrist fixing mechanism 4 adopts the structure, the movement of the wrist of the child can be limited, and the rotation of the hand back of the child can be limited. After the child's wrist and fingers are fixed, the fingers cannot be taken off the finger holder 201 by the rotation of the back of the hand and/or the movement of the wrist, thereby ensuring the smooth blood collection.
for the convenience of disassembly, the second support rod 405 is screwed to the base 1.
application example 1: the blood sampling device is applied to blood sampling of children in school age. Before use, the device needs to be fixedly connected (bolted) on a blood sampling table.
As shown with reference to fig. 1, 2 and 3. When the blood is collected by the child in school age, the upper wrist fixator 402 is opened, the child wrist is placed between the upper wrist fixator 402 and the lower wrist fixator 404, meanwhile, the distal interphalangeal joint of the middle finger of the child is extended into the finger positioner 201, and the proximal phalanx is positioned between the left extrusion pad 306 and the right extrusion pad 303. Then, a pin or a U-shaped hook is inserted into the insertion hole 403, so that the wrist of the child is fixed.
during the blood sampling, medical personnel stand in the left side of blood sampling platform, and the left hand is held between the fingers children, and the right hand punctures children's finger, then makes crowded 3 actions of blood mechanism through controller 5.
At this time, the Y-direction electric push rod 301 drives the right-side pressing pad 303 to approach the left-side pressing pad 306 (i.e., the Y-direction pressing pad 303 moves in the negative direction), and the distance between the two pressing pads decreases, so that the right-side pressing pad 303 and the left-side pressing pad 306 finally press the fingers of the child. After the right side squeezing pad 303 stops moving, the X-direction electric push rod 309 drives the sliding seat 307 to move in the fingertip direction (X-axis positive direction), and blood in the fingers of the child is squeezed out. Next, the right side pressing pad 303 moves away from the left side pressing pad 306, and the sliding seat 307 moves in the opposite direction to return to the original position.
The milking mechanism 3 repeats the above operation to collect sufficient peripheral blood.
In the whole blood sampling process, the fingers of the medical staff do not extrude the fingers of the children, the fingers of the children are not pushed towards the fingertip direction, the whole blood sampling process is located on the side face of the children, and occupation exposure can be basically avoided.
application example 2: the invention is applied to blood sampling of adults. Before use, the device needs to be fixedly connected (bolted) on a blood sampling table, and the wrist fixing mechanism 4 needs to be detached.
As shown with reference to fig. 6. When the blood sampling of adult, medical personnel stand in the left side of blood sampling platform, and the adult's finger is held between the fingers to the left hand, and the right hand punctures the adult's finger, then makes crowded blood mechanism 3 action through controller 5.
at this time, the Y-direction electric push rod 301 drives the right side compression pad 303 to approach the left side compression pad 306 (i.e., the Y-direction right side compression pad 303 moves in the negative direction), the distance between the two becomes smaller, and the right side compression pad 303 and the left side compression pad 306 will finally compress the fingers of the adult. After the right side pressing pad 303 stops moving, the X-direction electric push rod 309 drives the sliding seat 307 to move towards the fingertip direction (X-axis positive direction), and blood in the fingers of the adult is squeezed out. Next, the right side pressing pad 303 moves away from the left side pressing pad 306, and the sliding seat 307 moves in the opposite direction to return to the original position.
The milking mechanism 3 repeats the above operation to collect sufficient peripheral blood.
in the whole blood sampling process, the fingers of the medical care personnel do not extrude the tender fingers of the adult, the fingers of the adult are not pushed towards the fingertip direction, the whole blood sampling process is positioned on the side surface of the adult patient, and occupation exposure can be basically avoided.
it should be noted that how to control the moving direction and speed of the piston rod of the electric push rod by the controller 5 is the prior art, and the description of the present invention is omitted here.
the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Claims (8)
1. an accessory device for peripheral blood collection, comprising:
a base;
the blood squeezing device comprises a finger fixing mechanism, a wrist fixing mechanism and a blood squeezing mechanism, wherein the finger fixing mechanism and the wrist fixing mechanism are arranged on a base;
the blood squeezing mechanism comprises:
an electric push rod is arranged in the X direction,
And a sliding seat driven by the X-direction electric push rod;
The Y-direction electric push rod is arranged on the top surface of the sliding seat;
The right side extrusion plate is driven by the Y-direction electric push rod;
A right side extrusion pad is arranged on the right side extrusion plate, and the right side extrusion pad and the Y-direction electric push rod are respectively positioned on two sides of the right side extrusion plate;
A left side extrusion plate corresponding to the right side extrusion plate is arranged on the side surface of the sliding seat;
the left side extrusion pad corresponds to the right side extrusion pad and is arranged on the left side extrusion plate;
and a space for accommodating the fingers of the patient is arranged between the left side compression pad and the right side compression pad.
2. the assistive device of claim 1, wherein the finger fixation mechanism comprises:
The Z-direction sleeve is fixedly connected with the base;
and a first support rod which is matched with the Z-direction sleeve in a sliding way and can be fastened by a knob;
the top end of the first supporting rod is fixedly connected with a finger positioner, and the finger positioner is provided with a through hole for accommodating the far-end interphalangeal joint of a finger;
Wherein the knob is in threaded fit with the Z-sleeve.
3. The aid of claim 1, wherein said wrist securing mechanism comprises:
the second supporting rod is movably connected to the base;
The lower wrist positioner is fixedly connected with the second supporting rod;
and an upper wrist anchor hinged to the lower wrist anchor;
Wherein, the unconnected end of the lower wrist fixer and the upper wrist fixer is correspondingly provided with a plug hole.
4. The assistive device of claim 1, wherein each of the left and right compression pads has an arcuate depression therein for receiving a finger.
5. The auxiliary device of claim 3, wherein one side of the upper wrist fixer is fixedly connected with a limiting plate for limiting the rotation of the back of the hand;
wherein, the limiting plate is positioned between the upper wrist fixer and the blood squeezing mechanism.
6. The supplemental device of claim 1, wherein the left and right side squeeze pads are latex pads.
7. The accessory of claim 3, wherein the second support bar is threaded to the base.
8. the auxiliary device as claimed in claim 1, wherein the sliding seat and the sliding rail form a sliding pair, and the sliding rail is fixedly connected to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232055.3U CN209770389U (en) | 2019-02-23 | 2019-02-23 | A auxiliary device for tip blood collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232055.3U CN209770389U (en) | 2019-02-23 | 2019-02-23 | A auxiliary device for tip blood collection |
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| Publication Number | Publication Date |
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| CN209770389U true CN209770389U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920232055.3U Active CN209770389U (en) | 2019-02-23 | 2019-02-23 | A auxiliary device for tip blood collection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846495A (en) * | 2019-02-23 | 2019-06-07 | 山东大学齐鲁医院 | A kind of auxiliary device for peripheral blood acquisition |
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2019
- 2019-02-23 CN CN201920232055.3U patent/CN209770389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846495A (en) * | 2019-02-23 | 2019-06-07 | 山东大学齐鲁医院 | A kind of auxiliary device for peripheral blood acquisition |
| CN109846495B (en) * | 2019-02-23 | 2024-08-30 | 山东大学齐鲁医院 | Auxiliary device for peripheral blood collection |
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