CN207012189U - Patient's blood sampling is with changing paper device - Google Patents

Abstract

The utility model specifically discloses a paper changing device for patient's blood collection. The scheme includes a support platform, a motor drive mechanism fixedly installed on the support platform to drive the rotation of the paper collection cylinder, a paper delivery cylinder, a paper collection cylinder and a conveying mechanism. The drum is rotatably connected to the left side of the supporting platform, and the receiving roller is rotatably connected to the right side of the supporting platform; the conveying mechanism is located between the paper feeding roller and the collecting roller, and the conveying mechanism includes a pulley, a supporting pulley and a belt; the pulley is rotatably connected On the supporting table, the belt is set on the pulley, the supporting wheel is positioned under the belt to support the belt, and the supporting wheel is connected in rotation with the supporting table. This solution not only saves the steps of medical staff to manually replace the treatment towel, saves the time of medical staff and patients, but also facilitates the operation of medical staff, and even patients can operate it themselves, so it is very suitable for popularization and application in major hospitals.

Description

Paper changing device for patient blood collection

technical field

The utility model relates to the technical field of medical equipment, in particular to a paper changing device for patient's blood collection.

Background technique

Due to the large amount of blood collection and transfusion in outpatient clinics of major hospitals, and the types of patients with complex diseases, in order to prevent cross-infection of patients in the hospital, the medical staff must do one needle (disposable needle) and one tube (one tube per person) during the blood collection process. ), one belt (one cuff per person), one piece (one treatment towel per person). One treatment towel per person (the treatment towel is made of medical sterile paper) The operation process is: the medical staff first spread a treatment towel on the medical pad for the patient, and after the patient's blood collection is completed, the medical staff put the used treatment towel Remove, then reapply with a new treatment drape for the next patient. The above-mentioned operation process not only requires operation time, but also makes the operation steps relatively cumbersome because the replaced treatment towels must be laid flat each time.

However, due to the continuous increase in the number of patients who have gone to the hospital for medical treatment in recent years, the amount of blood collection and transfusion has also continued to increase. It takes a certain amount of time for the medical staff to manually replace the treatment towel, so the patients are waiting in line, thereby wasting a lot of time. The above-mentioned problems have directly caused the relative work efficiency of medical staff to be low. For this reason, it is urgent to develop a device that can save the time of medical staff and patients and improve the work efficiency of medical staff.

Utility model content

The purpose of this utility model is to provide a paper changing device for patient blood collection that can continuously and automatically change the treatment towel to save the patient's waiting time.

In order to achieve the above-mentioned purpose, the basic scheme of the utility model is: a paper changing device for patient blood collection, including a support platform, a motor drive mechanism fixedly installed on the support platform to drive the rotation of the paper delivery roller, a paper feeding roller, and a paper delivery roller As well as the conveying mechanism, the paper feeding roller is rotatably connected to the left side of the support platform, and the paper receiving cylinder is rotatably connected to the right side of the support platform; a ring of convex teeth is formed inside the paper feeding cylinder, and the support platform and the convex teeth There is a clip between them, one end of the clip is hinged with the supporting platform, and the other end is inserted into the gap between the protruding teeth; tension springs are arranged between both sides of the clip and the supporting platform, and the One end of the spring is fixedly connected to the clip, and the other end is fixedly connected to the support table; the conveying mechanism is located between the paper feeding roller and the paper receiving roller, and the conveying mechanism includes a pulley, a supporting wheel and a belt made of medical cotton cloth or medical yarn The pulley is rotatably connected to the support platform, the belt is set on the pulley, the support pulley is located below the belt to support the belt, and the support pulley is rotatably connected to the support platform.

The working principle and advantages of this solution are: when in use, the medical staff will pre-wrap the purchased strip-shaped treatment towel on the paper feeding roller, and then fix one end of the treatment towel across the delivery mechanism and connect it to the paper delivery roller. on the roller. The patient can put his arm on the treatment towel, and the belt supported by the belt pulley and the support wheel bears the gravity of the patient's arm, and then the patient can collect blood. When the patient finishes blood collection, start the motor drive mechanism, and the motor drive mechanism drives the paper delivery drum to rotate. During the rotation, the paper delivery drum pulls the treatment towel and wraps the patient's used treatment towel on the paper delivery drum at the same time. This completes the changing of the continuous rotation of the treatment towel.

At the same time, the belt set on the pulley restricts the moving track of the treatment towel, so that when the delivery roller winds the treatment towel, the treatment towel can be smoothly laid on the belt, so the conveying mechanism can be used to support the patient's arm on the one hand. Gravity, on the other hand, can also smooth the treatment towel.

To sum up, the paper changing device of this solution can liberate the hands of medical staff, and at the same time, it can also rotate continuously to replace the treatment towel, which not only saves the steps of medical staff to manually replace the treatment towel, saves the time of medical staff and patients, but also It is convenient for medical staff to operate, and even patients can operate it themselves, so it is very suitable for promotion and application in major hospitals.

Further, a one-way bearing is installed between the paper delivery cylinder and the supporting platform so that the paper delivery cylinder can only rotate in one direction. The purpose of such setting is that the delivery roller can only wrap the treatment towel, but the treatment towel cannot be pulled out from the delivery roller in reverse, so as to avoid the situation that the used treatment towel 5 is used again due to the misoperation of the patient or the medical staff .

Further, both the paper feeding cylinder and the paper receiving cylinder are equipped with a protective cover, and the protective cover is fixedly installed on the support platform; the protective cover includes a fixed part connected with the support platform and a movable part hinged with the fixed part , After the movable part and the fixed part are closed, the paper feeding roller or the paper receiving roller are fully wrapped, and the protective cover is provided with an opening for the treatment towel to enter and exit. The design of the protective cover can better ensure the sanitation of the treatment towel, prevent the unused treatment towel from being polluted, and at the same time prevent the used treatment towel from polluting the external environment, which is conducive to maintaining the sanitation of the hospital environment and reducing the probability of cross-infection of patients.

Description of drawings

Fig. 1 is a schematic structural view of a paper changing device in an embodiment of the present invention;

Fig. 2 is a schematic diagram of the installation structure of the paper feeding roller in the embodiment of the present invention.

detailed description

The utility model is described in further detail below by means of specific embodiments:

The reference signs in the manual include: clip 1, tension spring 2, support table 3, paper feed roller 4, treatment towel 5, pulley 6, support wheel 7, belt 8, delivery roller 9, one-way bearing 10, protective cover 11. Convex teeth 41, movable part 110.

The embodiment is basically shown in Figure 1 and Figure 2: the paper changing device for patient blood collection, including a support table 3, a motor drive mechanism (not shown in the figure), a paper feeding roller 4, a paper receiving roller 9 and a conveying mechanism, and the paper feeding The drum 4 is rotatably connected to the left side of the support platform 3, the delivery cylinder 9 is rotatably connected to the right side of the support platform 3, and the motor drive mechanism is fixedly installed on the support platform 3 to drive the delivery cylinder 9 to rotate. As shown in Figure 1, a circle of protruding teeth 41 is formed inside the paper feeding cylinder 4, and a clip bar 1 is also provided between the support table 3 and the protruding teeth 41. One end of the clip bar 1 is hinged with the support table 3, and the other end is Clamped into the gap between the convex teeth 41, when the paper feed roller 4 rotates along the support table 3, the end of the clip bar 1 that is in contact with the convex teeth 41 will continuously slide through the gap between the convex teeth 41; at the same time, go deep into the convex teeth The card bar 1 in the gap between 41 can also be used for the card main convex tooth 41 to prevent the paper feed cylinder 4 from rotating, such as a mechanical ratchet and ratchet mechanism, but the ratchet and ratchet mechanism is not used in this embodiment. Because of its complicated structure and high cost, it is not suitable for this scheme. In this embodiment, a tension spring 2 is provided between both sides of the clip 1 and the supporting platform 3 , one end of the tension spring 2 is fixedly connected to the clip 1 , and the other end is fixedly connected to the supporting platform 3 . Under the effect of extension spring 2, the raised bar can be perpendicular to the supporting platform 3 and maintain a certain balance. At the same time, the raised bar can also prevent the paper feed roller 4 from rotating after being inserted into the gap of the protruding teeth 41, unless the extension spring 2 can be overcome. When the active force of the pulling force is applied to the paper feed cylinder 4 , otherwise, the convex line can fix the paper feed cylinder 4 to rest on the support platform 3 .

In this embodiment, the conveying mechanism is located between the paper feeding cylinder 4 and the paper receiving cylinder 9, and the conveying mechanism includes a belt 8, a pulley 6, a supporting wheel 7, and a belt 8 made of medical cotton cloth or medical yarn. Belt 8 wheels 6 are rotatably connected on support platform 3, belt 8 is sleeved on belt 8 wheels 6, and support wheel 7 is positioned at belt 8 below to support belt 8, and support wheel 7 is connected with support platform 3 in rotation. In this solution, the treatment towel 5 customized by the manufacturer and connected into a strip shape is used, and then the treatment towel 5 is wound on the paper feeding cylinder 4, and one end of the treatment towel 5 is fixed to the delivery cylinder 9. Start the motor drive mechanism, and the paper delivery cylinder 9 is driven to rotate by the motor drive mechanism. When the paper delivery cylinder 9 is rotating, the treatment towel 5 can be wound on the paper delivery cylinder 9, and when the paper delivery cylinder 9 does not rotate, the paper delivery cylinder 9 is stuck. The strip 1 fixes the paper feeding cylinder 4 on the supporting platform 3 . The delivery mechanism is used to support the patient's arm: the patient needs a treatment room, and the arm is placed on the belt 8 of the delivery mechanism, and the patient's arm is supported by the support wheel 7 to prevent the patient's arm from pressing down the treatment towel 5 . Simultaneously, when the treatment towel 5 was wound to the delivery cylinder 9 under the traction effect of the delivery cylinder 9, the treatment towel 5 was attached to the belt 8, and the belt 8 was pulled by the treatment towel 5 to rotate and move on the belt 8 wheel 6, and at the same time The belt 8 restricts the moving track of the treatment towel 5 again, that is, the belt 8 corrects the flatness of the treatment towel 5 to prevent the medical personnel from arranging the treatment towel 5 again.

As shown in Figure 1, a one-way bearing 10 is also embedded between the paper delivery cylinder 9 and the support table 3, and the function of the one-way bearing 10 is to prevent the paper delivery cylinder 9 from reverse rotation, that is: in the implementation of this optimization In this example, the delivery cylinder 9 can only rotate in one direction. The purpose of setting in this way is that the delivery drum 9 can only wrap the treatment towel 5, and the treatment towel 5 cannot be reversely pulled out from the delivery drum 9, so as to prevent the used treatment towel 5 from being taken out again due to the misoperation of the patient or the medical staff. Use happens.

As shown in FIG. 1 , both the paper feeding cylinder 4 and the paper receiving cylinder 9 are provided with protective casings 11 , and the protective casings 11 are fixedly installed on the supporting platform 3 . The protective cover 11 includes a fixed part connected to the support table 3 and a movable part 110 articulated with the fixed part. After the movable part 110 and the fixed part are closed, the paper feeding drum 4 or the paper receiving drum 9 are fully wrapped, and the protective cover The shell 11 is also provided with an opening for the treatment towel 5 to enter and exit. The protective cover 11 is used to protect the unused treatment towel 5 wound on the paper delivery drum 4 on the one hand, and to isolate the used treatment towel 5 wound on the delivery drum 9 from the environment on the other hand .

What has been described above is only the embodiment of the present utility model. It should be pointed out that for those skilled in the art, some deformations and improvements can be made without departing from the concept of the present utility model, and these should also be regarded as the present invention. The protection scope of the utility model will not affect the effect of the utility model implementation and the practicability of the patent. The scope of protection required by this application shall be based on the content of the claims, and the specific implementation methods and other records in the specification may be used to interpret the content of the claims.

Claims (3)

1. The paper changing device for patient's blood collection is characterized in that it comprises a supporting platform, a paper feeding cylinder, a paper receiving cylinder, a motor drive mechanism fixedly installed on the supporting platform for driving the paper receiving cylinder to rotate, and a conveying mechanism, the paper feeding The cylinder is rotatably connected to the left side of the support platform, and the paper delivery cylinder is rotatably connected to the right side of the support platform; a ring of convex teeth is formed inside the paper feeding cylinder, and a clamping strip is arranged between the support platform and the convex teeth, so that One end of the clip is hinged with the support platform, and the other end is inserted into the gap between the protruding teeth; tension springs are arranged between both sides of the clip and the support platform, and one end of the tension spring is fixedly connected with the clip , the other end is fixedly connected with the support table; the conveying mechanism is located between the paper feeding cylinder and the paper receiving cylinder, and the conveying mechanism includes a belt pulley, a supporting pulley and a belt made of medical cotton cloth or medical yarn; the belt pulley is rotatably connected to the support On the platform, the belt is set on the belt pulley, the supporting wheel is positioned under the belt to support the belt, and the supporting wheel is connected in rotation with the supporting platform. 2 . The paper changing device for patient blood collection according to claim 1 , wherein a one-way bearing is installed between the paper delivery cylinder and the support table so that the paper delivery cylinder can only rotate in one direction. 3 . 3. The paper changing device for patient blood collection according to any one of claims 1 to 2, characterized in that, the outsides of the paper feeding cylinder and the paper receiving cylinder are provided with protective casings, and the protective casings are fixedly mounted on On the support platform; the protective cover includes a fixed part connected to the support platform and a movable part hinged with the fixed part. After the movable part and the fixed part are closed, the paper feeding roller or the paper delivery roller will be fully wrapped, and the protective cover There is an opening for the treatment towel to enter and exit.