CN219742705U

CN219742705U - Arm bracket for blood sampling

Info

Publication number: CN219742705U
Application number: CN202321033365.5U
Authority: CN
Inventors: 徐燕; 郭耀蔓; 孙洁; 张丽
Original assignee: Eastern Theater General Hospital of PLA
Current assignee: Eastern Theater General Hospital of PLA
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-09-26
Anticipated expiration: 2033-05-04

Abstract

The utility model belongs to the field of medical equipment, in particular to an arm bracket for blood collection, which comprises the following components: the support cylinder is internally connected with a lifting column in a sliding manner, the side wall of the support cylinder is rotationally connected with a limit rod, and the side wall of the limit rod is fixedly connected with an elastic piece; the supporting plate is fixedly connected to the lifting column. According to the utility model, through the mutual coordination of the supporting cylinder, the lifting column and the limiting rod structure, the bracket plate can be moved up and down, the use height of the bracket plate can be conveniently adjusted according to the height of a blood taker, the practicability of the device is improved, and after the device is adjusted to a proper height, the bracket plate on one side of the blood taker can be lifted through the worm wheel, the worm and the threaded rod structure, so that the device can be kept at a proper height and an angle, the arm of the blood taker can be conveniently placed on the bracket plate and kept to be straightened, and the situations of blood return, superficial vein non-filling and the like caused by passive bending are avoided.

Description

Arm bracket for blood sampling

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an arm bracket for blood collection.

Background

Blood sampling is to take blood samples from medical staff through veins and arteries according to medical requirements such as examination. The blood collection is born by medical staff and trained by special blood collection technology, the proficiency of the blood collection technology of the medical staff directly influences the quality of blood and the health of a blood collector, in the current blood collection process, the blood collector usually needs to put an arm on a table, then ties a tourniquet above an elbow fossa, and then selects an optimal elbow median vein to take a blood collection needle, and when in actual blood collection, the blood collection operation is often required to be carried out in situ, and an arm bracket is required at the moment.

The prior patent (publication number: CN 204797847U) discloses a multifunctional bracket for blood collection, which can not be adaptively adjusted according to the height and arm length of a person to be collected when in use, and is easy to cause blood return or superficial vein inadequacy due to the passive bending of the arm during blood collection.

Disclosure of Invention

The utility model aims to provide an arm bracket for blood collection, which can adjust the use height and angle.

The technical scheme adopted by the utility model is as follows:

an arm rest for blood collection, comprising:

the support cylinder is internally connected with a lifting column in a sliding manner, the side wall of the support cylinder is rotationally connected with a limit rod, and the side wall of the limit rod is fixedly connected with an elastic piece;

the supporting plate is fixedly connected to the lifting column, the top of the supporting plate is fixedly connected with a rotating assembly, and a bracket plate is arranged at the top of the rotating assembly;

the screw thread section of thick bamboo, the screw thread section of thick bamboo rotates to be connected in the backup pad, the inside rotation of screw thread section of thick bamboo is connected with the threaded rod, the surface fixedly connected with worm wheel of screw thread section of thick bamboo, the surface rotation of worm wheel is connected with the worm.

Based on the technical scheme, the application principle and the generated technical effects are as follows:

when the blood sampling operation is needed, firstly, one end of the elastic piece is fixed on the limiting rod, the other end of the limiting rod is separated from the limiting hole on the lifting column, at the moment, the lifting column can be moved up and down, the using height of the bracket plate can be conveniently adjusted according to the height of a blood collector, the practicability of the device is improved, after the device is moved to a proper height, the limiting rod is loosened, the device is clamped into the limiting hole again, the current position of the lifting column can be locked, when the inclination angle of the bracket plate is needed to be adjusted, the rotating handle is rotated to drive the worm to rotate, the worm wheel is driven to rotate through the worm, the threaded cylinder is driven to rotate when the worm wheel is rotated, the threaded rod is driven to move upwards, the bracket plate is driven to deflect around the rotating assembly, the bracket plate is conveniently lifted to a proper angle on one side of the blood collector, the arm of the blood collector can be conveniently placed on the bracket plate, the condition that blood returns and superficial veins are not full due to passive bending is avoided, and the like can be kept straight.

The present utility model may be further configured in a preferred example to: the supporting cylinder is mutually matched with the lifting column.

The present utility model may be further configured in a preferred example to: and a limiting hole matched with the limiting rod is formed in the side wall of the lifting column.

The present utility model may be further configured in a preferred example to: one end of the elastic piece is fixedly connected to the limiting rod, and the other end of the elastic piece is fixedly connected to the side wall of the supporting cylinder.

The present utility model may be further configured in a preferred example to: the rotating assembly comprises a supporting column fixedly connected to the supporting plate, a deflection rod is rotatably connected to the top of the supporting column, and the deflection rod is fixed to the bottom of the bracket plate.

The present utility model may be further configured in a preferred example to: the worm wheel is meshed with the worm, and one end of the worm is fixedly connected with a rotating handle.

The present utility model may be further configured in a preferred example to: the top of threaded rod rotates and is connected with the connecting piece, connecting piece sliding connection is in the bottom of bracket plate.

The present utility model may be further configured in a preferred example to: the center position of the thread cylinder is provided with a threaded hole matched with the threaded rod.

The noun, conjunctive or adjective parts referred to in the above technical solutions are explained as follows:

by fixed connection is meant a connection without any relative movement after the parts or components are fixed. The device is divided into a detachable connection type and a non-detachable type.

(1) The detachable connection is to fix the parts together by using screws, splines, wedge pins and the like. The connection mode can be disassembled during maintenance, and parts cannot be damaged. The connector used must be of the correct size (e.g. length of bolt, key) and tightened properly.

(2) The non-detachable connection mainly refers to welding, riveting, tenon passing matching and the like. Because the parts can be disassembled only by forging, sawing or oxygen cutting during maintenance or replacement, the parts cannot be used for a second time generally. Meanwhile, during connection, attention should be paid to process quality, technical detection and remedial measures (such as correction, polishing and the like);

the movable connection refers to a connection with relative movement after fixing the parts or components.

The technical scheme of the utility model has the following beneficial technical effects:

according to the utility model, through the mutual coordination of the supporting cylinder, the lifting column and the limiting rod structure, the bracket plate can be moved up and down, the use height of the bracket plate can be conveniently adjusted according to the height of a blood taker, the practicability of the device is improved, and after the device is adjusted to a proper height, the bracket plate on one side of the blood taker can be lifted through the worm wheel, the worm and the threaded rod structure, so that the device can be kept at a proper height and an angle, the arm of the blood taker can be conveniently placed on the bracket plate and kept to be straightened, and the situations of blood return, superficial vein non-filling and the like caused by passive bending are avoided.

Drawings

FIG. 1 is a schematic perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of a bracket plate structure of the present utility model;

fig. 3 is a schematic perspective view of the worm gear structure of the present utility model.

Reference numerals:

1. a support cylinder; 2. lifting columns; 3. a limit rod; 4. an elastic member; 5. a support plate; 6. a rotating assembly; 61. a support column; 62. a deflection lever; 7. a bracket plate; 8. a thread cylinder; 9. a threaded rod; 10. a worm wheel; 11. a worm; 12. a limiting hole; 13. a rotating handle; 14. a connecting piece; 15. a chute; 16. and a protective cover.

Detailed Description

The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

An embodiment of a blood collection arm carrier for supporting a patient's arm during blood collection according to the present utility model is described herein with reference to fig. 1 to 3. Specifically, the arm carrier for blood collection is configured as an integrated structure, and includes three members, i.e., a support tube 1, a support plate 5, and a screw tube 8. When the traditional mode is used for blood collection, arms of a blood collector are required to be unfolded on the table or the bracket, the heights of the arms of the blood collector are generally higher than those of the table or the bracket, even if the arms are kept unfolded, the arms of the blood collector are slightly bent, blood return or superficial veins are prone to not filling, the supporting cylinder 1, the lifting column 2 and the limiting rod 3 are arranged, the supporting frame plate 7 can be moved up and down, the using height of the supporting frame plate 7 is convenient to adjust according to the heights of the blood collector, and after the height is adjusted to be proper, the supporting frame plate 7 on one side of the blood collector is lifted through the worm wheel 10, the worm 11 and the threaded rod 9, so that the device is kept to be proper in height and angle, and the arms of the blood collector can be placed on the supporting frame plate 7 conveniently and kept in a straight state.

Referring to fig. 1, the arm bracket for blood collection according to the present utility model includes:

the support device comprises a support cylinder 1, wherein a lifting column 2 is slidably connected in the support cylinder 1, a limit rod 3 is rotatably connected to the side wall of the support cylinder 1, and an elastic piece 4 is fixedly connected to the side wall of the limit rod 3;

the support plate 5 is fixedly connected to the lifting column 2, the top of the support plate 5 is fixedly connected with a rotating assembly 6, and a bracket plate 7 is arranged at the top of the rotating assembly 6;

the screw thread section of thick bamboo 8, screw thread section of thick bamboo 8 rotate and connect on backup pad 5, and the inside rotation of screw thread section of thick bamboo 8 is connected with threaded rod 9, and the surface fixedly connected with worm wheel 10 of screw thread section of thick bamboo 8, the surface rotation of worm wheel 10 is connected with worm 11.

The supporting cylinder 1 is mainly used for supporting and accommodating the lifting column 2, and in some embodiments, the shape of the supporting cylinder 1 may be cylindrical, prismatic or cuboid, and for the technical solution of the present utility model, the shape of the supporting cylinder 1 is cylindrical, and it should be noted that no matter what shape the supporting cylinder 1 is arranged, the lifting column 2 is always mutually adapted to the supporting cylinder 1.

The supporting plate 5 is mainly used for supporting the bracket plate 7, in some embodiments, the shape of the supporting plate 5 can be rectangular, circular or polygonal, and according to the technical scheme of the utility model, the shape of the supporting plate 5 is rectangular, and the bottom of the supporting plate 5 can be dragged to adjust when the extension distance of the lifting column 2 is adjusted by using the arranged supporting plate 5, so that the lifting column is convenient and practical.

The outer surfaces of the worm wheel 10 and the worm 11 are sleeved with a protective cover 16, the protective cover 16 is fixedly connected to the supporting plate 5, in some embodiments, the protective cover 16 can be in a round shape or a square shape, and according to the technical scheme of the utility model, the protective cover 16 is in a square shape, and the protective cover 16 in the square shape can be utilized to protect the worm wheel 10 and the worm 11 and can also provide support for the worm 11 when the worm 11 rotates, and meanwhile, the top of the protective cover 16 is provided with a through hole which is convenient for the threaded cylinder 8 to rotate.

Specifically, when the blood sampling operation is needed, firstly, one end of the elastic piece 4 is fixed on the limiting rod 3, so that the other end of the limiting rod 3 is separated from the limiting hole 12 on the lifting column 2, at the moment, the lifting column 2 can be moved up and down, the using height of the bracket plate 7 is convenient to adjust according to the height of a blood collector, the practicability of the device is improved, after the device is moved to a proper height, the limiting rod 3 is loosened, the device is clamped into the limiting hole 12 again, the current position of the lifting column 2 can be locked, when the inclination angle of the bracket plate 7 is needed to be adjusted, the rotating handle 13 drives the worm 11 to rotate, and drives the worm wheel 10 to rotate through the worm 11, and when the worm wheel 10 rotates, the threaded cylinder 8 is driven to rotate, so that the threaded rod 9 is driven to move upwards, the bracket plate 7 is driven to deflect around the rotating component 6, the bracket plate 7 on one side of the blood collector is convenient to be lifted to a proper angle, the arm of the blood collector is convenient to be placed on the bracket plate 7, the condition that the blood collector can be kept straight, and the condition that blood returns and superficial veins are not full due to passive bending is avoided.

The spacing hole 12 with gag lever post 3 looks adaptation has been seted up on the lateral wall of lift post 2, the one end fixed connection of elastic component 4 is on gag lever post 3, the other end fixed connection is on the lateral wall of support section of thick bamboo 1, when pressing the one end that gag lever post 3 was fixed with elastic component 4, the other end of gag lever post 3 can break away from with spacing hole 12 on the lift post 2, can reciprocate lift post 2 this moment, thereby adjust the use height of bracket board 7, after moving to suitable height, loosen gag lever post 3, make it block into spacing hole 12 again in, can lock the current position of lift post 2.

The rotating assembly 6 comprises a supporting column 61 fixedly connected to the supporting plate 5, a deflection rod 62 is rotatably connected to the top of the supporting column 61, the deflection rod 62 is fixed to the bottom of the bracket plate 7, and the deflection rod 62 is driven to rotate on the supporting column 61 when the bracket plate 7 deflects.

The worm wheel 10 and the worm 11 are meshed with each other, one end of the worm 11 is fixedly connected with a rotating handle 13, the rotating handle 13 drives the worm 11 to rotate, the worm wheel 10 is conveniently driven to rotate along with the rotating handle, and error rotation of the worm wheel 10 can be avoided by utilizing the self-locking performance between the worm wheel 10 and the worm 11.

The central point who has offered the screw hole with threaded rod 9 looks adaptation in screw thread section of thick bamboo 8 puts, and the top rotation of threaded rod 9 is connected with connecting piece 14, connecting piece 14 sliding connection is in the bottom of carriage plate 7, and spout 15 with connecting piece 14 looks adaptation has been seted up to the bottom of carriage plate 7, and when screw thread section of thick bamboo 8 rotated, it reciprocates to utilize the screw hole to drive threaded rod 9, through connecting piece 14 and spout 15 that set up when threaded rod 9 reciprocates, is convenient for provide deflection space for it, avoids its blocking.

The arm bracket for blood collection provided by the utility model is further described below with reference to the accompanying drawings and embodiments.

An arm rest for blood collection, comprising:

The working principle and the using flow of the utility model are as follows: firstly, one end of an elastic piece 4 is fixed on the limiting rod 3 in a pressing manner, the other end of the limiting rod 3 is separated from a limiting hole 12 in the lifting column 2, at the moment, the lifting column 2 can be moved up and down, the using height of the bracket plate 7 can be conveniently adjusted according to the height of a blood collector, the practicability of the device is improved, after the device is moved to a proper height, the limiting rod 3 is loosened, the device is clamped into the limiting hole 12 again, the current position of the lifting column 2 can be locked, when the inclination angle of the bracket plate 7 needs to be adjusted, the rotating handle 13 is rotated to drive the worm 11 to rotate, the worm wheel 10 is driven to rotate through the worm 11, the threaded cylinder 8 is driven to rotate when the worm wheel 10 rotates, the threaded rod 9 is driven to move upwards, the bracket plate 7 is driven to deflect around the rotating assembly 6, the bracket plate 7 on one side of the blood collector is conveniently lifted to a proper angle, and at the moment, the arm of the blood collector can be placed on the bracket plate 7 to perform blood collection operation.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that when an element is referred to as being "mounted," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. An arm rest for blood collection, comprising:

the support device comprises a support cylinder (1), wherein an elevating column (2) is slidably connected in the support cylinder (1), a limit rod (3) is rotatably connected to the side wall of the support cylinder (1), and an elastic piece (4) is fixedly connected to the side wall of the limit rod (3);

the support plate (5), the support plate (5) is fixedly connected to the lifting column (2), the top of the support plate (5) is fixedly connected with a rotating assembly (6), and a bracket plate (7) is installed at the top of the rotating assembly (6);

the screw thread section of thick bamboo (8), screw thread section of thick bamboo (8) rotate and connect in backup pad (5), the inside rotation of screw thread section of thick bamboo (8) is connected with threaded rod (9), the surface fixedly connected with worm wheel (10) of screw thread section of thick bamboo (8), the surface rotation of worm wheel (10) is connected with worm (11).

2. The arm bracket for blood collection according to claim 1, wherein the support cylinder (1) and the lifting column (2) are mutually matched.

3. The arm bracket for blood collection according to claim 2, wherein a limit hole (12) matched with the limit rod (3) is formed in the side wall of the lifting column (2).

4. The arm bracket for blood collection according to claim 2, wherein one end of the elastic member (4) is fixedly connected to the limit rod (3), and the other end is fixedly connected to the side wall of the support cylinder (1).

5. The arm bracket for blood collection according to claim 4, wherein the rotating assembly (6) comprises a support column (61) fixedly connected to the support plate (5), a deflection rod (62) is rotatably connected to the top of the support column (61), and the deflection rod (62) is fixed to the bottom of the bracket plate (7).

6. The arm bracket for blood collection according to claim 5, wherein the worm wheel (10) and the worm (11) are meshed with each other, and one end of the worm (11) is fixedly connected with a rotating handle (13).

7. An arm rest for blood collection according to claim 1, characterized in that the top of the threaded rod (9) is rotatably connected with a connecting piece (14), said connecting piece (14) being slidingly connected to the bottom of the rest plate (7).

8. The arm bracket for blood collection according to claim 7, wherein the center of the screw cylinder (8) is provided with a threaded hole which is matched with the threaded rod (9).