Novel venipuncture fixing device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a novel venipuncture fixing device. Comprising a base, a soft rubber sleeve, an inflation pump and a driver are arranged on the base, the front end of the soft rubber sleeve is connected with the base through a guide assembly, the rear end of the soft rubber sleeve is connected with the base through a fixing support, and an inflation tourniquet is arranged on the soft rubber sleeve; the driver is in transmission connection with the guide assembly, and the inflation pump is connected with the inflation tourniquet through an air pipe. The arm fixing device is reasonable in structure, the arm of a patient can stretch into and be fixed in the soft rubber sleeve, the position of the front portion of the arm is adjusted under driving of the driver, and the comfort of the patient is improved; the upper portion of the arm is pressed through the inflatable tourniquet, internal pressure of the arm of the patient is increased, blood vessels are shown, operation of medical staff is facilitated, and the puncture success rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, specifically point to a novel venipuncture fixing device. BACKGROUND

[0002] Venipuncture is the routine access of venous system intervention treatment, can quickly supplement fluid, transfusion, can monitor central venous pressure, pulmonary artery wedge pressure etc simultaneously, provide the basis for treatment, diagnosis. Among them, central venous puncture technology is widely used in anesthesiology department, emergency department, intensive care unit etc. clinical departments. Before the process of internal jugular vein puncture, the patient needs to take supine position, both upper limbs are naturally drooping, and the puncture site is exposed by lifting, and the head is moderately tilted back and deviated to the opposite side of the puncture point. The patient needs to keep the body position unchanged during the puncture process, and when the patient's body position changes, the puncture angle is easy to deviate and cause puncture failure.

[0003] Chinese patent CN214909933U discloses a body position pad suitable for central venous puncture, including head pad, neck pad and shoulder pad, the neck pad is arranged between the head pad and the shoulder pad, the head pad, the neck pad and the shoulder pad are fixedly connected, through the above technical scheme, when puncturing, the patient can fill the gap between the head, neck, shoulder and operating bed under the action of head pad, neck pad, shoulder pad according to the guidance of medical staff, at the same time, head pad, neck pad and shoulder pad can limit the head, neck and shoulder of the patient respectively, so as to realize the fixation of the body position of the patient during puncture, the puncture angle is not easy to change, and the success rate of puncture treatment is improved.

[0004] At present, small pillows are still used to support the arms of patients in conventional venipuncture, and rubber tourniquets and other instruments are used to implement puncture, the small pillows are easy to displace, the stability of the arms of the patients needs to be controlled by the patients themselves, the randomness of the puncture position is great, which is not conducive to the operation of medical staff, and also easily leads to the failure of the implementation of puncture, multiple punctures bring pain to the patients, and also easily increase the contradiction between doctors and patients.

[0005] Therefore, the prior art still needs to be improved and developed. UTILITY MODEL CONTENT

[0006] The utility model aims at the defects and deficiencies of prior art, and provides a novel venipuncture fixing device with reasonable structure, which is convenient for medical staff to operate and avoids puncture failure.

[0007] In order to realize the above object, the utility model adopts the following technical scheme:

[0008] The utility model relates to a novel venipuncture fixing device, including base, be equipped with soft rubber sleeve, inflation pump and driver on the base, the front end of soft rubber sleeve is connected through the guide component the base, the rear end of soft rubber sleeve is connected through the fixed bolster the base, be equipped with inflation tourniquet on soft rubber sleeve, driver and guide component transmission connection, inflation pump passes through the trachea and connects inflation tourniquet.

[0009] According to the above scheme, the guide component includes a lifting support, a lifting sleeve and a screw rod, the lifting support is fixed on the base, a guide sleeve is arranged on the lifting support, and the lifting sleeve is slidably arranged on the guide sleeve; the screw rod is rotatably arranged on the base, and the driver is in transmission connection with the screw rod; the upper end of the lifting sleeve is in matching connection with the front end of the soft rubber sleeve, and the lifting sleeve is sleeved on the screw rod and in threaded connection with the screw rod.

[0010] According to the above scheme, the driver is fixed in the base through a motor support, an output gear is arranged on the driver, an input gear is arranged at the lower end of the screw rod, and the output gear is in meshing connection with the input gear, so that the driver can drive the soft rubber sleeve to move up and down through the screw rod and the lifting sleeve.

[0011] According to the above scheme, a pressure sensor is arranged between the lifting sleeve and the soft rubber sleeve.

[0012] According to the above scheme, the utility model further includes a control module and a voice prompter, the voice prompter is arranged on the fixed bolster, and the control module is in connection with the driver, the voice prompter and the pressure sensor through a circuit.

[0013] According to the above scheme, a pressure display is arranged on the inflation pump.

[0014] According to the above scheme, a supporting table is arranged on one side of the fixed bolster, and the inflation pump is detachably mounted on the supporting table.

[0015] According to the above scheme, a slot is arranged on the supporting table, a slide rod and a spring are arranged in the slot, one end of the slide rod is in sliding connection with the slot, the other end of the slide rod is provided with a lock key, the inflation pump is placed on the supporting table, an insert is arranged on the bottom surface of the inflation pump and arranged in the slot, the spring is sleeved on the slide rod, and one end of the spring abuts against the lock key to make the lock key in buckle connection with the insert.

[0016] The utility model has the advantages that the utility model has reasonable structure, the patient's arm can be inserted into and fixed in the soft rubber sleeve, the position of the front part of the arm is adjusted under the driving of the driver, the comfort of the patient is improved, the upper part of the arm is pressed through the inflation tourniquet, the pressure in the patient's arm is increased to make the blood vessel appear, so that the medical staff can operate conveniently, and the success rate of puncture is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1It is the overall front side view angle structure schematic diagram of the utility model;

[0018] Figure 2 It is the overall lower side view angle structure schematic diagram of the utility model;

[0019] Figure 3 It is the overall rear side view angle structure schematic diagram of the utility model;

[0020] Figure 4 It is the fixed support part sectional structure schematic diagram of the utility model;

[0021] Figure 5 It is Figure 4 The enlarged structure schematic diagram of A part in the middle.

[0022] In the drawing,

[0023] 1, base; 2, soft rubber sleeve; 3, air pump; 4, driver; 11, fixed support; 12, lifting support; 13, lifting sleeve; 14, screw rod; 15, guide sleeve; 16, voice prompter; 17, support table; 21, inflatable tourniquet; 31, air pipe; 32, pressure display; 33, insertion slot; 34, slide rod; 35, spring; 36, lock key; 37, plug-in component; 41, motor support; 42, output gear; 43, input gear. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be described below in combination with the drawings and embodiments.

[0025] As Figures 1-5 Indicated, a novel venipuncture fixing device of the utility model, including base 1, the base 1 is equipped with soft rubber sleeve 2, air pump 3 and driver 4, the front end of soft rubber sleeve 2 is connected base 1 through guide assembly, the rear end of soft rubber sleeve 2 is connected base 1 through fixed support 11, the soft rubber sleeve 2 is equipped with inflatable tourniquet 21;The driver 4 is transmission connection with guide assembly, and air pump 3 is connected inflatable tourniquet 21 through air pipe 31.The rear end of soft rubber sleeve 2 is as fixed end, is installed on base 1 through fixed support 11, and is used for fixing the upper arm of patient;Inflatable tourniquet 21 is arranged at the rear end of soft rubber sleeve 2, and air pump 3 inputs air pressure to inflatable tourniquet 21, and inflatable tourniquet 21 contracts and presses the upper arm of patient to increase internal pressure, so that blood vessel appears to facilitate medical staff to implement puncture technique.Further, the soft rubber sleeve 2 can be passed through the arm of patient, and the front end of soft rubber sleeve 2 can fix the lower arm of patient, and driver 4 can drive guide assembly to adjust the height of the front end of soft rubber sleeve 2, so that the arm of patient is supported to improve comfort.It can be understood that, the inflatable tourniquet 21 has pressure relief valve, and automatically releases pressure after puncture is completed, and releases the arm of patient to make blood normal circulation.

[0026] The guiding assembly comprises a lifting support 12, a lifting sleeve 13 and a screw rod 14, the lifting support 12 is fixed on the base 1, the lifting support 12 is provided with a guiding sleeve 15, the lifting sleeve 13 is slidably arranged on the guiding sleeve 15; the screw rod 14 is rotatably arranged on the base 1, the driver 4 is in transmission connection with the screw rod 14; the upper end of the lifting sleeve 13 is in matched connection with the front end of the soft rubber sleeve 2, the lifting sleeve 13 is sleeved on the screw rod 14 and is in threaded connection with the screw rod 14. The driver 4 can drive the screw rod 14 to rotate on the base 1, the screw rod 14 drives the lifting sleeve 13 to move up and down along the guiding sleeve 15 through the thread, thereby driving the front end of the soft rubber sleeve 2 to adjust the height, so that the posture of the patient is more comfortable. It can be understood that, in order to make the lifting adjustment more accurate and stable, the driver 4 can adopt a servo motor to accurately control the height of the lifting sleeve 13 and the soft rubber sleeve 2. Further, a key groove can be used between the lifting sleeve 13 and the guiding sleeve 15, so that the lifting sleeve 13 slides up and down along the guiding sleeve 15. Of course, the guiding sleeve 15 can use a non-circular inner hole to cooperate with the lifting sleeve 13 to prevent rotation between the lifting sleeve 13 and the guiding sleeve 15.

[0027] The driver 4 is fixed in the base 1 through a motor support 41, the driver 4 is provided with an output gear 42, the lower end of the screw rod 14 is provided with an input gear 43, the output gear 42 is engaged with the input gear 43, so that the driver 4 can drive the soft rubber sleeve 2 to move up and down through the screw rod 14 and the lifting sleeve 13. The driver 4 drives the screw rod 14 to rotate through the engagement of the output gear 42 and the transmission input gear 43, so that the lifting sleeve 13 is lifted. The engagement transmission of the output gear 42 and the input gear 43 can change the transmission ratio, and further improve the control accuracy of the servo motor.

[0028] A pressure sensor is arranged between the lifting sleeve 13 and the soft rubber sleeve 2, the front end of the soft rubber sleeve 2 is used for fixing and supporting the arm of the patient, the front end of the soft rubber sleeve 2 will bear the weight of the arm of the patient, if the posture of the patient is not comfortable, the force will be generated on the soft rubber sleeve 2, the smaller the data obtained by the pressure sensor, the more comfortable the posture.

[0029] Further, the utility model also includes a control module and a voice prompter 16, the voice prompter 16 is arranged on the fixed support 11, the control module is connected with the driver 4, the voice prompter 16 and the pressure sensor through a circuit. When the data obtained by the pressure sensor is sent to the control module, the control module can adaptively control the driver 4 to adjust the height position of the front end of the soft rubber sleeve 2, thereby improving the comfort of the patient during the puncture. Preferably, the voice prompter 16 can provide voice guidance, teach the patient to use the utility model, and reduce the workload of medical staff.

[0030] The air pump 3 is equipped with a pressure display 32, which can be a digital display or a dial indicator, used to display the internal pressure of the air pump 3 or the inflatable tourniquet 21. The air pump 3 is existing technology and can be an electric air pump as the air source to pressurize and depressurize the inflatable tourniquet 31.

[0031] Preferably, a support platform 17 is provided on one side of the fixed bracket 11, and the air pump 3 is detachably mounted on the support platform 17. The air pump 3 can also use an air cylinder to provide air pressure for the inflatable tourniquet 21. It is understood that when the air pump 3 is an air cylinder, an air valve is provided between the air pump 3 and the inflatable tourniquet 21 to control the on / off state. Furthermore, the detachable air cylinder facilitates the replacement of the air pump 3.

[0032] The support platform 17 has a slot 33, within which a slide rod 34 and a spring 35 are installed. One end of the slide rod 34 is slidably connected to the slot 33, and the other end of the slide rod 34 has a locking key 36. The air pump 3 is placed on the support platform 17, and an insert 37 is provided on the bottom surface of the air pump 3, which passes through the slot 33. The spring 35 is fitted onto the slide rod 34, and one end of the spring 35 contacts the locking key 36, causing the locking key 36 to engage with the insert 37. Similarly, the slide rod 32 sliding along the slot 33 can drive the locking key 36 to engage with the insert 37. It is understood that the insert 37 has a locking hole to engage with the locking key 36, thereby facilitating the maintenance and replacement of the air pump 3.

[0033] The above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A novel venipuncture fixation device, comprising a base (1), characterized in that: The base (1) is provided with a soft rubber sleeve (2), an air pump (3) and a driver (4). The front end of the soft rubber sleeve (2) is connected to the base (1) through a guide assembly, and the rear end of the soft rubber sleeve (2) is connected to the base (1) through a fixed bracket (11). The soft rubber sleeve (2) is provided with an inflatable tourniquet (21). The driver (4) is connected to the guide assembly in a transmission connection, and the air pump (3) is connected to the inflatable tourniquet (21) through an air pipe (31).

2. The novel venous puncture fixation device according to claim 1, characterized in that: The guide assembly includes a lifting bracket (12), a lifting sleeve (13), and a screw (14). The lifting bracket (12) is fixed on the base (1). A guide sleeve (15) is provided on the lifting bracket (12). The lifting sleeve (13) can slide up and down through the guide sleeve (15). The screw (14) can rotatably pass through the base (1). The driver (4) is connected to the screw (14) in a transmission connection. The upper end of the lifting sleeve (13) is connected to the front end of the soft rubber sleeve (2). The lifting sleeve (13) is fitted on the screw (14) and threadedly connected to it.

3. The novel venous puncture fixation device according to claim 2, characterized in that: The driver (4) is fixed in the base (1) by the motor bracket (41). The driver (4) is provided with an output gear (42) and the lower end of the screw (14) is provided with an input gear (43). The output gear (42) meshes with the input gear (43) so that the driver (4) can drive the soft rubber sleeve (2) to move up and down through the screw (14) and the lifting sleeve (13).

4. The novel venous puncture fixation device according to claim 3, characterized in that: A pressure sensor is provided between the lifting sleeve (13) and the soft rubber sleeve (2).

5. The novel venous puncture fixation device according to claim 1, characterized in that: It also includes a control module and a voice prompt (16), which is mounted on a fixed bracket (11). The control module is connected to the driver (4), the voice prompt (16) and the pressure sensor via a line.

6. The novel venous puncture fixation device according to claim 1, characterized in that: The air pump (3) is equipped with a pressure display (32).

7. The novel venous puncture fixation device according to claim 1, characterized in that: The fixed bracket (11) has a support platform (17) on one side, and the air pump (3) is detachably installed on the support platform (17).

8. The novel venous puncture fixation device according to claim 7, characterized in that: The support platform (17) is provided with a slot (33), and a slide rod (34) and a spring (35) are provided in the slot (33). One end of the slide rod (34) is slidably connected to the slot (33), and the other end of the slide rod (34) is provided with a locking key (36). The air pump (3) is placed on the support platform (17), and a plug (37) is provided on the bottom surface of the air pump (3). The plug (37) passes through the slot (33). The spring (35) is fitted on the slide rod (34), and one end of the spring (35) touches the locking key (36) to make the locking key (36) and the plug (37) snap together.

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