CN213821428U

CN213821428U - Auxiliary fixing device for venous blood sampling

Info

Publication number: CN213821428U
Application number: CN202022748436.2U
Authority: CN
Inventors: 马瑞; 赵培丽; 周玉华; 常琼; 高云; 张耀
Original assignee: Henan Provincial Peoples Hospital
Current assignee: Henan Provincial Peoples Hospital
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-30
Anticipated expiration: 2030-11-24

Abstract

An auxiliary fixing device for venous blood sampling effectively solves the problems that the arm of a patient is inconvenient to effectively fix and the workload of medical staff is large; the clamping device comprises a main body in the front-back direction, a placing groove which is through from front to back and has an upward opening is formed in the main body, an arc plate with a front-back direction and an upward arc opening is connected in the placing groove in a sliding manner, two slideways which are uniformly distributed along the front-back direction and communicated with the placing groove are formed in the left side and the right side in the main body respectively, a connecting plate is connected in the slideways in a sliding manner, the inner end of the connecting plate is fixedly connected with the arc plate, a plurality of placing grooves which correspond to the connecting plate one by one and have upward openings are formed in the main body, a front-back axial rotating shaft is rotationally connected in the placing grooves, clamping blocks which are arc-shaped and can extend into the placing groove are fixed on the rotating shafts, the arc openings of the clamping blocks face inwards, and the upper side of the connecting plate is connected with the rotating shafts of the corresponding sides of the connecting plates through pull ropes; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Description

Auxiliary fixing device for venous blood sampling

Technical Field

The utility model relates to a blood sampling auxiliary instrument technical field, especially a fixing device is assisted in blood sampling of vein.

Background

At present, the hospital generally can adopt the mode of blood sampling or blood sample survey for the diagnosis state of an illness, and when taking a blood sample to the patient, medical personnel generally all carry out the blood sampling with patient's arm to placing on the desktop, do not carry out effectual fixing to patient's arm, and at the blood sampling in-process, the patient leads to the arm to move about easily because fear or pain, lead to the aversion of pjncture needle easily, not only inconvenient medical personnel take a blood sample to patient's venipuncture, also make the patient receive secondary damage easily, seriously influence medical personnel's work efficiency simultaneously.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to compensate the not enough of prior art, the utility model aims at providing a fixing device is assisted in vein blood sampling, and the effectual inconvenient effective fixed to patient's arm of having solved reaches the problem that medical personnel work load is big.

The technical scheme of its solution is, the utility model discloses a main part of fore-and-aft direction, link up and opening standing groove up around having seted up in the main part, sliding connection has fore-and-aft direction and arc mouth arc up in the standing groove, two slides along the fore-and-aft direction equipartition and communicate with the standing groove are seted up respectively to the left and right sides in the main part, sliding connection has the connecting plate in the slide, the inner and the arc wall fixed connection of connecting plate, set up a plurality ofly in the main part with connecting plate one-to-one and opening mounting groove up, axial axis of rotation around the mounting groove internal rotation is connected with, be fixed with the tight piece of clamp in arc and the scalable standing groove in the axis of rotation, the arc mouth of pressing from both sides tight piece inwards, the connecting plate upside is connected through the stay cord rather than the axis of rotation that corresponds the side.

Compared with the prior art, the beneficial effects of the utility model are that: through the connecting plate that sets up, press from both sides tight piece, stay cord and axis of rotation, can make the arc drive the horizontal hunting that presss from both sides tight piece, be convenient for stably fix patient's arm on the arc, medical personnel of being convenient for carry out the blood sampling of vein to patient's arm, the fixed block that is equipped with, gag lever post and spacing groove, be convenient for fix a position the slip of arc, make the arc inject the position of pressing from both sides tight piece through the stay cord, play better fixed effect, patient's arm is disorderly when avoiding the blood sampling of vein, medical personnel's work efficiency has not only been improved, patient's misery has also been alleviateed, the novel structure is simple to this, and convenient for operation, the conception is novel, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is the ladder cuts open main visual axis mapping of the utility model.

Fig. 3 is a full-section left-side perspective view diagram of the utility model.

Figure 4 is the utility model discloses a dissect left side and look the axonometric drawing.

Fig. 5 is an enlarged view of a in fig. 3 according to the present invention.

Fig. 6 is an enlarged view of B in fig. 4 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 6 and give, main part 1 including the fore-and-aft direction, link up and opening standing groove 2 up around having seted up in the main part 1, sliding connection has fore-and-aft direction and arc opening arc 3 up in standing groove 2, two slide 4 along the fore-and-aft direction equipartition and communicate with standing groove 2 have been seted up respectively to the left and right sides in the main part 1, sliding connection has connecting plate 5 in slide 4, the inner and 3 fixed connection of arc of connecting plate 5, a plurality of and 5 one-to-one of connecting plate and opening mounting groove 6 up have been seted up in the main part 1, axial axis of rotation 7 around 6 internal rotation in the mounting groove is connected with, be fixed with the tight piece 8 of clamp in arc and the scalable standing groove 2 in the axis of rotation 7, the arc opening of pressing from both sides tight piece 8 inwards, connecting plate 5 upsides are connected through the axis of rotation 7 of stay cord 9 rather than corresponding side.

In order to facilitate the vertical sliding of arc plate 3 to fix a position, main part 1 in seted up about the direction and with the rectangular channel 10 of standing groove 2 intercommunication, 3 lower extremes of arc plate are equipped with fixed block 11 that can stretch into in the rectangular channel 10, the terminal surface is the low inclined plane in preceding high back under the fixed block 11, fixed block 11 front side is seted up the opening spacing groove 12 forward, axial and rear end can insert the gag lever post 13 in the spacing groove 12 around main part 1 sliding connection, the gag lever post 13 rear end face is the low inclined plane in preceding high back.

In order to facilitate the front-back sliding of the limiting rod 13, the main body 1 is provided with a circular groove 14 coaxial with the limiting rod 13, a push plate 15 is coaxially and slidably connected in the circular groove 14, the limiting rod 13 penetrates through the push plate 15 and is fixedly connected with the push plate 15, a pressure spring 16 positioned on the front side of the push plate 15 is sleeved on the limiting rod 13, and an auxiliary plate 17 is coaxially arranged at the front end of the limiting rod 13 and penetrates through the main body 1.

In order to enable the arc-shaped plate 3 to automatically slide upwards, a spring 18 in the vertical axial direction is arranged in the slideway 4, and the upper end of the spring 18 is connected with the connecting plate 5 on the corresponding side.

In order to facilitate the clamping block 8 to swing automatically, a torsion spring 19 is coaxially arranged on the rotating shaft 7, and the free end of the torsion spring 19 is connected with the main body 1.

In order to facilitate the operation of medical personnel, and improve patient's comfort level, 3 upsides of arc be equipped with rather than the unanimous silica gel cushion 20 of shape, link up about having seted up on main part 1 and open up groove 21 of stepping down.

When the utility model is used, the initial state of the device is that the clamping block 8 is not inserted into the placing groove 2, and the torsion spring 19 is in a relaxation state;

when venous blood sampling of a patient is needed, firstly, the arm of the patient is placed on the arc-shaped plate 3, the silica gel cushion 20 is arranged on the arc-shaped plate 3, the comfort level of the patient can be effectively improved, the arm of the patient is pressed to move downwards, the arc-shaped plate 3 is driven by the arm of the patient to slide downwards along the slide way 4 through the connecting plate 5, the spring 18 is compressed, the arc-shaped plate 3 drives the fixed block 11 to move downwards and insert into the rectangular groove 10, the lower end of the fixed block 11 extrudes the limiting rod 13, the limiting rod 13 is driven to slide forwards along the circular groove 14 through the push plate 15, the pressure spring 16 is compressed, when the limiting groove 12 and the limiting rod 13 are at the same level, the pressure spring 16 drives the limiting rod 13 to slide backwards along the circular groove 14 through the push plate 15 at the moment, the rear end of the limiting rod 13 is inserted into the limiting groove;

meanwhile, the connecting plate 5 slides downwards along the slide way 4, the connecting plate 5 drives the rotating shaft 7 to rotate inwards along the placing groove 6 through the pull rope 9, the torsion spring 19 is tightened, the rotating shaft 7 drives the clamping block 8 to swing relatively into the placing groove 2, so that the clamping block 8 fixes the arm of the patient, the arm of the patient is stably fixed on the arc-shaped plate 3, the arm of the patient is effectively prevented from moving randomly, the abdicating groove 21 is formed, the medical staff can conveniently take the vein blood collection for the arm of the patient, and meanwhile, the working efficiency of the medical staff is improved;

after the venous blood collection of the arm of the patient is finished, firstly, the auxiliary plate 17 is pulled forwards, the auxiliary plate 17 drives the limiting rod 13 to slide forwards along the circular groove 14 through the push plate 15, the spring 18 is compressed, the rear end of the limiting rod 13 is not inserted into the limiting groove 12 any more, the sliding of the arc-shaped plate 3 is not limited any more, at the moment, under the action of the spring 18, the spring 18 drives the connecting plate 5 to slide upwards along the slide way 4, the connecting plate 5 does not drive the rotating shaft 7 to rotate inwards through the pull rope 9, at the moment, under the action of the torsional spring 19, the torsional spring 19 drives the clamping block 8 to swing back and forth along the placing groove 6 through the rotating shaft 7, the clamping block 8 is not inserted into the placing groove 2 any more, the arm of the patient is not fixed any more, meanwhile, the connecting plate 5 drives the arc-shaped plate 3 to slide upwards along the placing groove 2 to an initial state, the arm of the patient is taken down from the arc-shaped plate 3, and the operation is finished.

Claims

1. A venous blood sampling auxiliary fixing device comprises a main body (1) in the front-back direction, and is characterized in that the main body (1) is provided with a front-back through placing groove (2) with an upward opening, the placing groove (2) is connected with a front-back direction arc plate (3) with an upward arc opening in a sliding manner, the left side and the right side in the main body (1) are respectively provided with two slideways (4) which are uniformly distributed along the front-back direction and communicated with the placing groove (2), the slideways (4) are connected with a connecting plate (5) in a sliding manner, the inner end of the connecting plate (5) is fixedly connected with the arc plate (3), the main body (1) is provided with a plurality of placing grooves (6) which correspond to the connecting plate (5) one by one and have upward openings, the placing grooves (6) are rotationally connected with a front-back axial rotating shaft (7), and clamping blocks (8) which are arc-shaped and can extend into the placing groove (2) are fixed on the rotating shaft (7), the arc opening of the clamping block (8) faces inwards, and the upper side of the connecting plate (5) is connected with the rotating shaft (7) on the corresponding side through a pull rope (9).

2. The auxiliary fixing device for venous blood collection according to claim 1, characterized in that a rectangular groove (10) which is vertical and communicated with the placement groove (2) is formed in the main body (1), a fixing block (11) which can extend into the rectangular groove (10) is arranged at the lower end of the arc-shaped plate (3), the lower end face of the fixing block (11) is an inclined face which is high in the front and low in the rear, a limiting groove (12) with a forward opening is formed in the front side of the fixing block (11), a limiting rod (13) which is axial in the front and rear and can be inserted into the limiting groove (12) at the rear end is connected in the main body (1) in a sliding mode, and the rear end face of the limiting rod (13) is an inclined face which is high in the front and low in the rear.

3. The auxiliary fixing device for venous blood sampling according to claim 1, characterized in that the main body (1) is provided with a circular groove (14) coaxial with the limiting rod (13), a push plate (15) is coaxially and slidably connected in the circular groove (14), the limiting rod (13) penetrates through the push plate (15) and is fixedly connected with the push plate (15), the limiting rod (13) is sleeved with a pressure spring (16) positioned at the front side of the push plate (15), and the front end of the limiting rod (13) penetrates through the main body (1) and is coaxially provided with an auxiliary plate (17).

4. An auxiliary fixing device for venous blood sampling according to claim 1, characterized in that a spring (18) in the axial direction is arranged in the slideway (4), and the upper end of the spring (18) is connected with the connecting plate (5) on the corresponding side.

5. An auxiliary fixing device for venous blood sampling according to claim 1, characterized in that a torsion spring (19) is coaxially arranged on the rotating shaft (7), and the free end of the torsion spring (19) is connected with the main body (1).

6. The auxiliary fixing device for venous blood sampling according to claim 1, characterized in that the upper side of the arc-shaped plate (3) is provided with a silica gel cushion (20) with the same shape as the arc-shaped plate, and the main body (1) is provided with a left-right through abdicating groove (21) with an upward opening.