CN215128716U

CN215128716U - Auxiliary device for blood sampling and transfusion

Info

Publication number: CN215128716U
Application number: CN202120135137.3U
Authority: CN
Inventors: 鲍晓敏
Original assignee: Shenzhen Sami Medical Center
Current assignee: Shenzhen Sami Medical Center
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-14
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a blood sampling and transfusion auxiliary device, which comprises a base, a clamping component and a bearing plate, wherein the clamping component is arranged on the base and used for clamping and pressing an upper arm, and the clamping component can be switched between a clamping state and a releasing state; the supporting plate is pivotally arranged on the base and is in transmission connection with the clamping assembly, and when the supporting plate is under the action of a downward pressure, the supporting plate drives the clamping assembly to be switched from the releasing state to the clamping state so as to clamp and press the upper arm; when the bearing plate is under the action of upper pressure, the bearing plate drives the clamping assembly to be switched from the clamping state to the releasing state so as to release and press the upper arm. The utility model discloses can make the difficult skew of patient's arm, it is better at blood sampling in-process stability, the security is high, has improved blood sampling efficiency, and the operation is more simple and convenient.

Description

Auxiliary device for blood sampling and transfusion

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to blood sampling and infusion auxiliary device.

Background

Blood sampling or transfusion is performed by pricking a needle tube into a vein, in the process of transfusion or blood sampling, in order to enable the blood volume to be full and then the vein to be displayed, the current operation mode is that a silicone tube or a rubber tube and the like are wound and fixed on the upper arm of a patient, so that the backflow of blood is limited, the vein of the patient can be expanded and protruded, and then medical staff collects a blood sample. The inventor finds that the method has more steps, the arm of a patient is easy to move, the stability is not good enough in the blood sampling or transfusion process, the blood sampling or transfusion efficiency is low, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a blood sampling and infusion assisting device, comprising:

a base;

the clamping assembly is arranged on the base and used for clamping and pressing the upper arm, and the clamping assembly can be switched between a clamping state and a releasing state;

the bearing plate is pivotally arranged on the base and is in transmission connection with the clamping assembly, and when the bearing plate is under the action of a downward pressure, the bearing plate drives the clamping assembly to be switched from the releasing state to the clamping state so as to clamp and press the upper arm; when the bearing plate is under the action of upper pressure, the bearing plate drives the clamping assembly to be switched from the clamping state to the releasing state so as to release and press the upper arm.

Preferably, according to the utility model discloses an embodiment, the length direction of base is equipped with the shielding plate that extends perpendicularly upwards, the shielding plate has seted up and has held the mouth, the centre gripping subassembly is established in holding the mouth, and construct and be in hold the mouth can switch to clamping state or release state.

Preferably, according to an embodiment of the present invention, the clamping assembly includes:

the upper clamping piece is arranged at the top of the accommodating opening;

the lower clamping piece is arranged below the upper clamping piece and is connected with the two side walls of the accommodating port in a sliding mode, and the lower clamping piece is in transmission connection with the bearing plate so as to move along with the bearing plate in the vertical direction;

the two rubber tubes are respectively arranged on the upper clamping piece and the lower clamping piece; when the lower clamping piece moves upwards along with the bearing plate, the two rubber tubes are mutually closed to clamp the upper arm.

Preferably, according to an embodiment of the present invention, the supporting plate includes a supporting portion and a transmission portion, the transmission portion extends into the receiving opening and is in transmission connection with the lower clamping member, the supporting portion extends outward from the receiving opening, and when the supporting portion is under the action of a lower pressure, the supporting portion and the transmission portion are at the same horizontal position; when the bearing part is pressed upwards, the bearing part is pivoted to be higher than the transmission part.

Preferably, according to an embodiment of the present invention, the outer side surface of the transmission part is pivotally provided with a tooth block, the inner side surface of the lower end of the lower clamping member is provided with a tooth part, and the tooth block is engaged with the tooth part; when the bearing part is under the action of a lower pressure, the transmission part drives the tooth block to move upwards so as to force the tooth block to drive the lower clamping piece to move upwards.

Preferably, according to the utility model discloses an embodiment, the lateral surface of lower holder lower extreme is equipped with the roll portion, the lateral wall of holding port have with the roll groove that the roll portion corresponds the setting, the roll portion stretches into in the roll inslot, so when the holder motion down, the roll portion can roll in the roll inslot.

Preferably, according to an embodiment of the present invention, a pivot portion is disposed on the base, the supporting plate is pivotally connected to the pivot portion, and the pivot portion is close to the transmission portion.

Preferably, according to the utility model discloses an embodiment, the bearing portion bottom pivot ground is equipped with support piece, support piece run through to the base is slidable, support piece with be equipped with the spring between the base for with the bearing portion elastic support is in order to force the bearing portion receives the upper pressure effect.

Preferably, according to the utility model discloses an embodiment, the bearing portion bottom is equipped with linear electric motor, linear electric motor includes stator and active cell, the stator is established in the base, the active cell with but bearing portion pivotal connection, when the active cell upwards removes, the active cell is right the bearing portion is exerted pressure and is acted on.

Preferably, according to an embodiment of the present invention, a display screen and a button are disposed on the base, and the button is used for controlling the linear motor to move; the pressure sensor is arranged on the rubber tube, and the display screen is used for displaying the pressure value of the pressure sensor.

The utility model provides a blood sampling and infusion auxiliary device, when using, pass the forearm and pass the centre gripping subassembly and put on the bearing board and put the upper arm in the centre gripping subassembly position, make the bearing board receive the downforce effect of forearm, and drive the centre gripping subassembly through the bearing board and switch to the clamping state in order to with the upper arm centre gripping, thereby make the vein of placing forearm on the bearing board can expand the protrusion, so take a blood sample or the infusion again, make the difficult skew of patient's arm, it is better at blood sampling or infusion in-process stability, therefore, the security is high, blood sampling or infusion efficiency have been improved, the operation is more simple and convenient.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view (released state) of the blood sampling and infusion assisting device provided in the embodiment of the present invention;

fig. 2 is another schematic structural view (clamping state) of the blood sampling and transfusion auxiliary device provided in the embodiment of the present invention;

fig. 3 is a cross-sectional view of a blood collection and infusion assist device provided in an embodiment of the present invention;

FIG. 4 is an exploded view of the blood collection and infusion aid provided in an embodiment of the present invention;

fig. 5 is a schematic structural view of a supporting plate and a clamping assembly provided in an embodiment of the present invention.

The reference numbers illustrate:

10. a base; 101. a shielding plate; 1011. an accommodating port; 1012. a rolling groove; 102. a pivot part; 20. a clamping assembly; 201. an upper clamping member; 202. a lower clamping member; 2021. a tooth portion; 2022. a rolling section; 203. a rubber tube; 30. a support plate; 301. a bearing part; 302. a transmission section; 40. a tooth block; 50. a support member; 60. a spring; 70. pressing a key; 80. a display screen.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The blood sampling and infusion assisting device according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the auxiliary device for blood sampling and transfusion provided in the embodiment of the present invention includes a base 10, a clamping assembly 20 and a supporting plate 30, wherein the clamping assembly 20 is disposed on the base 10 for clamping and pressing an upper arm, and the clamping assembly 20 is switchable between a clamping state and a releasing state; the supporting plate 30 is pivotally arranged on the base 10 and is in transmission connection with the clamping assembly 20, when the supporting plate 30 is under the action of a downward pressure, the supporting plate 30 drives the clamping assembly 20 to be switched from a releasing state to a clamping state so as to clamp and press the upper arm; when the support plate 30 is pressed upward, the support plate 30 drives the clamping assembly 20 to switch from the clamping state to the releasing state to release the pressing on the upper arm.

The utility model provides a blood sampling and infusion auxiliary device, when using, pass centre gripping subassembly 20 with the forearm and put on bearing board 30 and put the upper arm at centre gripping subassembly 20 position, make bearing board 30 receive the lower pressure effect of forearm, and drive centre gripping subassembly 20 through bearing board 30 and switch to the clamping state in order to with the upper arm centre gripping, thereby make the vein of placing forearm on bearing board 30 can expand the protrusion, so blood sampling or infusion again, make patient's arm be difficult for cheap, at blood sampling or infusion in-process stability better, the security is high, blood sampling or infusion efficiency has been improved, it is more simple and convenient to operate.

Specifically, the length direction of the base 10 is provided with a shielding plate 101 extending vertically upwards, the shielding plate 101 is provided with an accommodating opening 1011, and the clamping assembly 20 is arranged in the accommodating opening 1011 and is configured to be capable of being switched to a clamping state or a releasing state at the accommodating opening 1011. Wherein, at the blood sampling in-process, some patients can produce dizzy blood symptom, consequently, patient's forearm can pass and hold a mouthful 1011 for medical personnel take a blood sample in supporting board 30 one side, and the patient is deviating from the opposite side of supporting board 30, and at the in-process of taking a blood sample, shielding plate 101 can shelter from medical personnel's blood sampling operation, avoids the patient to dizzy blood, and it is more convenient to use, and the function is more complete.

Referring to fig. 4 and 5, the clamping assembly 20 includes an upper clamping member 201, a lower clamping member 202 and two rubber tubes 203, wherein the upper clamping member 201 is arranged on the top of the receiving opening 1011; the lower clamping piece 202 is arranged below the upper clamping piece 201 and is connected with two side walls of the accommodating hole 1011 in a sliding mode, and the lower clamping piece 202 is in transmission connection with the bearing plate 30 so as to move along with the bearing plate 30 in the vertical direction; two rubber tubes 203 are respectively arranged on the upper clamping piece 201 and the lower clamping piece 202; when the lower clamp 202 moves upward with the support plate 30, the two rubber tubes 203 come close to each other to clamp the upper arm.

In this embodiment, in blood sampling or infusion process, the upper arm is placed on lower holder 202, and when lower holder 202 moved towards last holder 201, the upper arm moved upwards along with lower holder 202 to by last holder 201 and the mutual centre gripping of lower holder 202, and oppress through two rubber tube 203 centre grippings, thereby make the vein of forearm can the protrusion, convenience simple to use, linkage nature is strong.

Further, the supporting plate 30 comprises a supporting part 301 and a transmission part 302, the transmission part 302 extends into the accommodating port 1011 to be in transmission connection with the lower clamping member 202, the supporting part 301 extends outwards from the accommodating port 1011, and when the supporting part 301 is under the action of a lower pressure, the supporting part 301 and the transmission part 302 are in the same horizontal position; when the bearing portion 301 is subjected to the upward pressure, the bearing portion 301 is pivoted higher than the transmission portion 302. The base 10 is provided with a pivot portion 102, the supporting plate 30 is pivotally connected to the pivot portion 102, and the pivot portion 102 is close to the transmission portion 302.

In this embodiment, the supporting plate 30 is spaced from the pivoting portion 102, and the length of the supporting portion 301 is greater than that of the driving portion 302, so that when the supporting portion 301 does not support the front arm, the supporting portion 301 is inclined toward the driving portion 302 and is higher than the supporting portion 301; the forearm is placed on the supporting part 301, so that the supporting part 301 is pressed downwards to exert force and pivots around the pivoting part 102, the transmission part 302 moves upwards, the transmission part 302 drives the lower clamping piece 202 to move upwards, and the upper arm is clamped to take blood or transfuse; after blood sampling or infusion is completed, the lower clamping piece 202 moves downwards, so that the upper arm is released by the lower clamping piece 202, the operation is simple and convenient, and the operation steps of medical personnel are reduced.

Further, the outer side surface of the transmission part 302 is pivotally provided with a tooth block 40, the inner side surface of the lower end of the lower clamping piece 202 is provided with a tooth part 2021, and the tooth block 40 is meshed with the tooth part 2021; when the supporting portion 301 is pressed downwards, the transmission portion 302 drives the tooth block 40 to move upwards, so that the tooth block 40 drives the lower clamping member 202 to move upwards. In this embodiment, when the transmission portion 302 moves upward, the tooth block 40 moves upward along with the transmission portion 302, and then the tooth portion 2021 engaged with the tooth block drives the lower clamping member 202 to move upward, so as to clamp and press the upper arm.

Referring to fig. 4 and 5 again, the outer side surface of the lower end of the lower clip 202 is provided with a rolling portion 2022, the side wall of the receiving opening 1011 is provided with a rolling groove 1012 corresponding to the rolling portion 2022, and the rolling portion 2022 extends into the rolling groove 1012 so that the rolling portion 2022 can roll in the rolling groove 1012 when the lower clip 202 moves. Among them, the rolling portion 2022 may be configured as a rolling bearing, and by rolling the rolling portion 2022 in the rolling groove 1012, rolling friction can be formed when the lower clamp 202 moves, so that friction force is smaller and movement is more stable.

Referring to fig. 3, the supporting member 50 is pivotally disposed at the bottom of the supporting portion 301, the supporting member 50 penetrates the base 10 to slide, and a spring 60 is disposed between the supporting member 50 and the base 10 to elastically support the supporting portion 301 so as to force the supporting portion 301 to receive an upward pressure. In this embodiment, the supporting portion 301 can be kept at a position higher than the transmission portion 302 by the spring 60, when the front arm is placed on the supporting portion 301, the supporting portion 301 presses the spring 60 downwards and pivots, so that the transmission portion 302 moves upwards to drive the lower clamping member 202 to move upwards, thereby collecting blood or infusing blood; after blood sampling or transfusion is finished, the forearm is separated from the supporting part 301, so that the spring 60 pushes the supporting part 301 to move upwards, the transmission part 302 moves towards and drives the lower clamping piece 202 to move downwards, the upper arm is released, the operation is simpler, and the operation steps of medical staff are reduced.

In other embodiments, a linear motor (not shown) is disposed at the bottom of the supporting portion 301, the linear motor includes a stator and a mover, the stator is disposed in the base 10, the mover is pivotally connected to the supporting portion 301, and when the mover moves upward, the mover applies a pressing force to the supporting portion 301. It can be understood that the supporting portion 301 can also be driven by a linear motor, so that the supporting plate 30 pivots on the base 10, and further drives the lower clamping member 202 to move up and down, and the use is simple and convenient.

Optionally, a display screen 80 and a key 70 are arranged on the base 10, and the key 70 is used for controlling the linear motor to move; wherein, the rubber tube 203 is provided with a pressure sensor, and the display screen 80 is used for displaying the pressure value of the pressure sensor. In this embodiment, when in use, medical staff can adjust the clamping force according to actual requirements, so that the movement distance of the linear motor is adjusted through the button 70, and further the supporting part 301 adjusts the distance between the lower clamping piece 202 and the upper clamping piece 201, so that the clamping force is more beneficial to blood sampling or transfusion; it can be understood that the pressure of the upper arm is sensed through the pressure sensor and is checked through the display, so that medical personnel can operate more intuitively and use more conveniently during operation.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A blood sampling and infusion assist device, comprising:

a base;

2. The blood collection and infusion assisting device as claimed in claim 1, wherein a shielding plate extending vertically upwards is arranged in the length direction of the base, the shielding plate is provided with an accommodating port, and the clamping assembly is arranged in the accommodating port and is configured to be switched to a clamping state or a releasing state in the accommodating port.

3. The blood collection and infusion aid of claim 2, wherein the clamping assembly comprises:

the upper clamping piece is arranged at the top of the accommodating opening;

4. The blood sampling and infusion assisting device according to claim 3, wherein the supporting plate comprises a supporting part and a transmission part, the transmission part extends into the accommodating port and is in transmission connection with the lower clamping piece, the supporting part extends outwards from the accommodating port, and when the supporting part is under the action of a lower pressure, the supporting part and the transmission part are in the same horizontal position; when the bearing part is pressed upwards, the bearing part is pivoted to be higher than the transmission part.

5. The blood collection and infusion aid of claim 4, wherein the outer side surface of the transmission part is pivotally provided with a tooth block, the inner side surface of the lower end of the lower clamping member is provided with a tooth part, and the tooth block is engaged with the tooth part; when the bearing part is under the action of a lower pressure, the transmission part drives the tooth block to move upwards so as to force the tooth block to drive the lower clamping piece to move upwards.

6. The blood collection and infusion assisting device according to claim 5, wherein a rolling portion is provided on an outer side surface of a lower end of the lower clamping member, a rolling groove corresponding to the rolling portion is provided on a side wall of the receiving port, and the rolling portion extends into the rolling groove so that the rolling portion can roll in the rolling groove when the lower clamping member moves.

7. The blood collection and infusion aid of claim 4, wherein the base is provided with a pivot portion, the support plate is pivotally connected to the pivot portion, and the pivot portion is adjacent to the transmission portion.

8. The blood sampling and infusion assisting device according to claim 4, wherein a support member is pivotally provided at a bottom of the supporting portion, the support member is slidably inserted through the base, and a spring is provided between the support member and the base for elastically supporting the supporting portion to force the supporting portion to be acted on by an upward pressure.

9. The blood collection and infusion assisting device according to claim 4, wherein a linear motor is arranged at the bottom of the bearing portion, the linear motor comprises a stator and a rotor, the stator is arranged in the base, the rotor is pivotally connected with the bearing portion, and when the rotor moves upwards, the rotor exerts a pressing force on the bearing portion.

10. The blood sampling and infusion assisting device according to claim 9, wherein a display screen and a key are arranged on the base, and the key is used for controlling the linear motor to move; the pressure sensor is arranged on the rubber tube, and the display screen is used for displaying the pressure value of the pressure sensor.