CN213667282U - Infusion speed measuring device - Google Patents

Abstract

The utility model discloses a transfusion speed measuring device, including the base, be equipped with the storage tank on the base, the storage tank upside is equipped with the centre gripping subassembly, and the centre gripping subassembly includes first chuck and second chuck, and first chuck and second chuck set up relatively, and on the inner wall of storage tank was all located to first chuck and second chuck, be equipped with first inner chamber in the first chuck, first inner chamber had first opening, and first opening is equipped with inductive probe towards the second chuck in the first inner chamber, first chuck and/or second chuck and base elastic connection. When the infusion device is used, the dropping funnel can be placed in the accommodating groove, the upper part of the dropping funnel is clamped by the clamping assembly, the inductive probe can detect the dropping frequency of liquid drops in the dropping funnel, the infusion speed is obtained, and calibration management can be carried out on the infusion speed; the induction probe is connected to a peripheral display terminal, and the infusion speed can be displayed on the display terminal; the clamping assembly can be used for drip chambers of different sizes, and the application range of the transfusion speed measuring device is wider.

Description

Infusion speed measuring device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to infusion speed measuring device.

Background

The conventional treatment means in clinical medical work during intravenous infusion treatment, but most hospitals and medical institutions do not realize the calibration management of infusion at present, the infusion speed is totally estimated by visual inspection due to too high or too low infusion speed, and medical staff can only perform routing inspection at irregular time to determine whether the infusion speed is reasonable or not. For this purpose, a device for detecting the infusion speed has been developed, such as the intelligent infusion monitoring system proposed in the chinese patent "intelligent infusion monitoring system" (publication number: CN205434577U), which achieves the purpose of monitoring the infusion speed in real time by detecting the drops dropped in the drip chamber; however, the infusion speed measuring device needs to fix the sensing probe and the dropping funnel together, is not convenient for taking out the dropping funnel after the infusion is finished, is only suitable for the dropping funnel with a fixed size, and has a small application range.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an infusion speed measuring device.

According to the utility model discloses infusion speed sensor, which comprises a base, be equipped with the storage tank on the base, the vertical extension of storage tank, the storage tank upside is equipped with the centre gripping subassembly, the centre gripping subassembly includes first chuck and second chuck, first chuck with the second chuck sets up relatively, first chuck with the second chuck all locates on the inner wall of storage tank, be equipped with first inner chamber in the first chuck, first inner chamber has first opening, first opening orientation the second chuck, be equipped with inductive probe in the first inner chamber, first chuck and/or the second chuck with base elastic connection.

According to the utility model discloses infusion speed sensor has following technological effect at least: when the infusion device is used, the dropping funnel can be placed in the containing groove, the clamping assembly is used for clamping the upper part of the dropping funnel, and the sensing probe arranged in the first inner cavity can detect the dropping frequency of liquid drops in the dropping funnel so as to obtain the infusion speed; when the infusion speed display device is used, the induction probe can be connected to a peripheral display terminal, and the display terminal processes the induced signal and can display the infusion speed on the display terminal; the first clamping head and/or the second clamping head are/is elastically connected with the base, the clamping assembly can be used for drip chambers with different sizes, and the application range of the infusion speed measuring device is wider.

According to some embodiments of the present invention, the holding assembly is provided with an infrared correlation sensor, the infrared correlation sensor comprises a transmitting probe and a receiving probe; a second inner cavity is arranged in the second chuck, the second inner cavity is provided with a second open port, the second open port faces the first chuck, one of the transmitting probe and the receiving probe is the induction probe, and the other one of the transmitting probe and the receiving probe is arranged in the second inner cavity. When liquid drops drop in the dropping funnel, the liquid drops pass between the transmitting probe and the receiving probe to refract light rays between the transmitting probe and the receiving probe, and the receiving probe cannot receive the light rays emitted by the transmitting probe, namely, the liquid drops are detected.

According to some embodiments of the present invention, a first notch is provided at the left end of the first chuck, the first notch extends vertically, and the front and rear dimensions of the first notch gradually decrease from left to right with the direction of the first chuck relative to the second chuck as the right direction; the right-hand member of second chuck is equipped with the second breach, the vertical setting of second breach, the preceding back size of second breach reduces from the right side to left side gradually. Through setting up first breach and second breach, first chuck and second chuck can centre gripping dropping funnel more stably.

According to some embodiments of the utility model, first chuck with base elastic connection, with first chuck is relative the position of second chuck is right direction, be equipped with the third inner chamber on the base, the third inner chamber has the third and opens the mouth, the third opens the mouth and is located the left end of third inner chamber, the third opens the mouth and locates on the inner wall of storage tank, first chuck is located in the third opens the mouth, first chuck with third inner chamber horizontal sliding connection, the intracavity is equipped with the second elastic component in the third, the both ends of second elastic component respectively with the chamber wall of third inner chamber first chuck is connected. The third inner cavity can limit the moving direction of the first chuck, so that the first chuck can stably move left and right, and the second elastic component can push the first chuck leftwards, so that the first chuck has the tendency of moving leftwards, and the dropping funnel can be fixed between the first chuck and the second chuck.

According to some embodiments of the utility model, be equipped with first opening on the chamber wall of third inner chamber, first opening transversely sets up, be equipped with the connecting block in the first opening, first opening side is equipped with the shifting block, the shifting block is located the outside of third inner chamber, the shifting block passes through the connecting block with first chuck fixed connection. The first chuck can be moved by pulling the shifting block, and then the dropping funnel can be put into or taken out of the containing groove, so that the use is simple and convenient.

According to some embodiments of the utility model, be equipped with the tiger's mouth on the base and press from both sides, the tiger's mouth press from both sides with base releasable connection. The infusion speed measuring device can be arranged on an infusion support or a sickbed, the gravity of the infusion speed measuring device does not need to be borne by an infusion tube, and the infusion tube is prevented from being pulled off; the first web clamp is detachably connected with the base, so that the first web clamp can be used for fixing other instruments when an infusion speed measuring device is not needed.

According to the utility model discloses a some embodiments, tiger's mouth press from both sides with be equipped with coupling assembling between the base, coupling assembling includes fixture block and buckle, the fixture block set firmly in on the base, the buckle set firmly in on the tiger's mouth presss from both sides, the buckle has first linking arm and second linking arm, the fixture block is located first linking arm with between the second linking arm, be equipped with first arch on the first linking arm, it is protruding to be equipped with the second on the second linking arm, first arch with the protruding relative setting of second, be equipped with two spouts, two on the fixture block the bottom of spout is worn out respectively in the bottom of fixture block, two the top of spout is all sealed, first arch with the second arch is located two respectively in the spout. The base can be dismantled from the buckle to the rebound base, when needing to use again handheld base, insert the fixture block from last to down in the buckle can, simple structure, it is simple and convenient to use.

According to some embodiments of the present invention, a first groove is disposed on the fixture block, a first stopper and a first elastic member are disposed in the first groove, a hinge shaft at a hinge position where the first stopper is hinged to the first groove is referred to as a first hinge shaft, the first hinge shaft is located at a lower side of the first stopper, the first hinge shaft is parallel to a line connecting the first protrusion and the second protrusion, and the first stopper and the fixture block are connected by the first elastic member; and a second stop block is fixedly arranged on the buckle and is arranged above the first stop block, and the second stop block is in contact with the first stop block. The base can be prevented from falling off from the buckle accidentally.

According to some embodiments of the utility model, still be equipped with the pinch valve on the base, the pinch valve is located the below of storage tank, the pinch valve with inductive probe electric connection. When the inductive probe detects that no liquid drop is dropped within a period of time, for example, no liquid drop is dropped within ten seconds, the infusion is possibly finished, and at the moment, the pinch valve can be controlled to pinch the infusion tube, so that the infusion is stopped in time.

According to some embodiments of the utility model, still be equipped with bubble sensor on the base, bubble sensor locates the below of storage tank, bubble sensor with pinch valve electric connection. When the bubble sensor detects that bubbles exist in the infusion tube, the pinch valve pinches the infusion tube to stop infusion in time, so that air is prevented from being input into the blood vessel of the patient.

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

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a usage state of an infusion speed measuring device according to an embodiment of the present invention;

FIG. 2 is a front view of the transfusion speed measurement device according to the embodiment of the present invention;

FIG. 3 is a right side view of the structure of the infusion speed measuring device according to the embodiment of the present invention;

fig. 4 is a rear view of the structure of the infusion speed measuring device of the embodiment of the present invention;

fig. 5 is a structural plan view of the infusion speed measuring device according to the embodiment of the present invention;

fig. 6 is an enlarged schematic view of the region a in fig. 4.

In the drawings:

100-a base; 110-a receiving groove; 120-a third lumen; 121-a second elastic member; 122 — a first opening;

210-a second collet; 211-a second lumen; 212-a receiving probe; 213-second gap; 220-a first chuck; 221-a first lumen; 222-a transmission probe; 223-a first gap; 291-connecting block; 292-a shifting block;

310-a pinch valve; 320-a bubble sensor;

400-fixture block; 410-a chute; 420-a first stop; 421-a first hinge axis; 422-a first elastic member; 430-a first groove;

510-tiger's mouth clamp; 520-buckling;

910-a drip chamber; 920-the transfusion tube.

Detailed Description

Reference will now be made in detail to the 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 functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

An infusion speed measurement device according to an embodiment of the present invention is described below with reference to fig. 1 to 6.

According to the utility model discloses an infusion speed sensor, including base 100, be equipped with storage tank 110 on the base 100, storage tank 110 vertical extension, storage tank 110 upside is equipped with the centre gripping subassembly, the centre gripping subassembly includes first chuck 220 and second chuck 210, first chuck 220 and second chuck 210 set up relatively, first chuck 220 and second chuck 210 are all located on the inner wall of storage tank 110, be equipped with first inner chamber 221 in the first chuck 220, first inner chamber 221 has first opening, first opening is towards second chuck 210, be equipped with inductive probe in the first inner chamber 221, first chuck 220 and/or second chuck 210 and base 100 elastic connection.

For example, as shown in fig. 1 and fig. 2, the receiving groove 110 is used for receiving the dropping funnel 910, the receiving groove 110 is disposed at the front side of the base 100, the front side of the base 100 is recessed backward to form the receiving groove 110, the top of the receiving groove 110 can be extended to the top of the base 100, so that the infusion tube 920 can be connected to the dropping funnel 910 from the top of the receiving groove 110, or the top of the dropping funnel 910 can be extended to the receiving groove 110 if the vertical size of the dropping funnel 910 is large; a channel for the liquid transport tube 920 to pass through can be arranged at the bottom of the accommodating groove 110, and certainly, the liquid transport tube 920 can be led out from the front side of the accommodating groove 110 without the channel; the second chuck 210 and the first chuck 220 are arranged at left and right intervals, the first chuck 220 can be in a square cylinder shape arranged transversely, and the first opening faces to the left; the induction probe is arranged in the inner wall of the first chuck 220 and can induce a dripping sheet of liquid drops in the dripping hopper 910; at least one of the first chuck 220 and the second chuck 210 is elastically connected to the base 100, so that the first chuck 220 and the second chuck 210 tend to approach each other, for example, the first chuck 220 is connected to the base 100 through elastic pieces extending forward and backward, the front end of the elastic piece is disposed on the first chuck 220, the rear end of the elastic piece is disposed on the base 100, and for example, the second chuck 210 is disposed on a pendulum rod moving in a pendulum motion, and the pendulum rod is provided with a torsion spring, and two ends of the torsion spring are respectively connected to the base 100 and the pendulum rod; the holding assembly is disposed on the upper side of the containing groove 110 and is adapted to the position of the dropping funnel 910 for dropping liquid medicine.

When the infusion apparatus is used, the dropping funnel 910 can be placed in the containing groove 110, the upper part of the dropping funnel 910 is clamped by the clamping assembly, and the inductive probe arranged in the first inner cavity 221 can detect the dropping frequency of liquid drops in the dropping funnel 910, so that the infusion speed is obtained; when the infusion speed display device is used, the induction probe can be connected to a peripheral display terminal, and the display terminal processes the induced signal and can display the infusion speed on the display terminal; the first clamping head 220 and/or the second clamping head 210 are elastically connected with the base 100, the clamping assembly can be used for drip chambers 910 with different sizes, and the application range of the infusion speed measuring device is wider; the inductive probe is disposed in the first inner cavity 221, so that the first chuck 210 can protect the inductive probe, and prevent an external object from touching the inductive probe and causing a detection error.

In some embodiments of the present invention, the holding assembly is provided with an infrared correlation sensor, which includes a transmitting probe 222 and a receiving probe 212; a second inner cavity 211 is formed in the second chuck 210, the second inner cavity 211 has a second open end facing the first chuck 220, one of the transmitting probe 222 and the receiving probe 212 is an inductive probe, and the other is disposed in the second inner cavity 211. As shown in fig. 2, the sensing probe is the emitting probe 222 and is disposed in the first inner cavity 221, and the receiving probe 212 is disposed in the second inner cavity 211, so that when a droplet drops in the drip chamber 910, the droplet passes between the emitting probe 222 and the receiving probe 212, and refracts light between the emitting probe 222 and the receiving probe 212, and the receiving probe 212 cannot receive light emitted by the emitting probe 222, that is, the droplet is detected; the inductive probe can also be a reflective photoelectric probe, and a reflective sheet is arranged on the second chuck 210, and the inductive probe can also be other suitable probes and can detect the dripping of liquid drops.

In some embodiments of the present invention, the left end of the first collet 220 is provided with a first notch 223, the first notch 223 extends vertically, and the front and back dimensions of the first notch 223 gradually decrease from left to right with the orientation of the first collet 220 relative to the second collet 210 as the right direction; the right end of the second chuck 210 is provided with a second notch 213, the second notch 213 is vertically arranged, and the front and back size of the second notch 213 is gradually reduced from right to left. The medical drip chamber 910 is generally cylindrical, and by providing the first notch 223 and the second notch 213, the first collet 220 and the second collet 210 can clamp the drip chamber 910 more stably; as shown in fig. 5, the first notch 223 penetrates the first chuck 220 up and down, and the horizontal projection of the first notch 223 is trapezoidal, however, the horizontal projection of the first notch 223 may be triangular, circular or other shapes, and the second notch 213 and the first notch 223 are symmetrical with each other.

In some embodiments of the present invention, the first chuck 220 is elastically connected to the base 100, the base 100 is provided with a third inner cavity 120, the third inner cavity 120 has a third open opening, the third open opening is located at the left end of the third inner cavity 120, the third open opening is located on the inner wall of the accommodating cavity 110, the first chuck 220 is located in the third open opening, the first chuck 220 is connected to the third inner cavity 120 in a sliding manner, the third inner cavity 120 is provided with a second elastic member 121, and two ends of the second elastic member 121 are respectively connected to the cavity wall of the third inner cavity 120 and the first chuck 220. As shown in fig. 2, the second chuck 210 is fixedly connected to the base 100, the first chuck 220 is disposed in the third inner cavity 120, the third inner cavity 120 can limit the moving direction of the first chuck 220, so that the first chuck 220 can stably move left and right, the second elastic member 121 can push the first chuck 220 leftward, so that the first chuck 220 tends to move leftward, and the drip chamber 910 can be fixed between the first chuck 220 and the second chuck 210; the second elastic member 121 is a second spring, the second spring is transversely disposed, the left end and the right end of the second spring are respectively connected with the first clamping head 220 and the cavity wall of the third inner cavity 120, and the second elastic member 121 may also be an elastic block made of thermoplastic elastomer or other suitable members.

Referring to fig. 5, in some embodiments of the present invention, a first opening 122 is disposed on a wall of the third inner cavity 120, the first opening 122 is disposed horizontally, a connection block 291 is disposed in the first opening 122, a shifting block 292 is disposed beside the first opening 122, the shifting block 292 is disposed outside the third inner cavity 120, and the shifting block 292 is fixedly connected to the first chuck 220 through the connection block 291. The first opening 122 may be a transversely disposed kidney-shaped groove, the first opening 122 is disposed on a front cavity wall of the third inner cavity 120, the first chuck 220 and the connecting block 291 may be integrally formed, and the shifting block 292 is fixedly connected to the connecting block 291 by welding or bolting, so that the first chuck 220 may be moved by shifting the shifting block 292, and then the dropping funnel 910 may be put into or taken out of the accommodating groove 110, which is convenient for use.

In some embodiments of the present invention, the base 100 is provided with a first jaw 510, and the first jaw 510 is detachably connected to the base 100. By arranging the first web clamp 510, the infusion speed measuring device can be arranged on an infusion support or a sickbed, the gravity of the infusion speed measuring device is not required to be borne by the infusion tube 920, and the infusion tube 920 is prevented from being pulled off; the first web clamp 510 is detachably connected with the base 100, so that when the infusion speed measuring device is not needed, the first web clamp 510 can be used for fixing other instruments, in addition, the first web clamp 510 protrudes outwards from the larger volume of the base 100, and the infusion speed measuring device is regular in shape after the first web clamp 510 is detached, so that the infusion speed measuring device is convenient to store and transport.

The utility model discloses an in some embodiments, be equipped with coupling assembling between tiger's mouth clamp 510 and base 100, coupling assembling includes fixture block 400 and buckle 520, fixture block 400 sets firmly on base 100, buckle 520 sets firmly on tiger's mouth clamp 510, buckle 520 has first linking arm and second linking arm, fixture block 400 is located between first linking arm and the second linking arm, be equipped with first arch on the first linking arm, it is protruding to be equipped with the second on the second linking arm, first arch and the protruding relative setting of second, be equipped with two spout 410 on fixture block 400, the bottom of fixture block 400 is worn out respectively in the bottom of two spout 410, the top of two spout 410 is all sealed, first arch and second are protruding to be located respectively in two spout 410. As shown in fig. 4 and 5, the fixture block 400 is in a rectangular parallelepiped block shape, the front side surface of the fixture block 400 is fixedly connected with the base 100, the left side surface and the right side surface of the fixture block 400 are respectively arranged on the two chutes 410, the buckle 520 can be in a vertically extending C-shaped groove shape, the opening of the C-shaped groove faces the front side, the two side edges of the opening of the C-shaped groove are the first protrusion and the second protrusion, the tiger mouth buckle is fixedly arranged at the rear end of the C-shaped groove, the tiger mouth buckle is arranged on the infusion support or the sickbed, the base 100 can be detached from the buckle 520 by moving the base 100 upwards, the base 100 is held again when the base is needed to be used, the fixture block 400 is inserted into the buckle 520.

In some embodiments of the present invention, a first groove 430 is formed on the fixture block 400, a first stopper 420 and a first elastic member 422 are disposed in the first groove 430, a hinge shaft at the hinge position where the first stopper 420 is hinged to the first groove 430 is called a first hinge shaft 421, the first hinge shaft 421 is located at the lower side of the first stopper 420, the first hinge shaft 421 is parallel to the connection line of the first protrusion and the second protrusion, and the first stopper 420 and the fixture block 400 are connected by the first elastic member 422; the buckle 520 is fixedly provided with a second stop block, the second stop block is arranged above the first stop block 420, and the second stop block is in contact with the first stop block 420. The first hinge shaft 421 extends left and right, the first stopper 420 can be turned back and forth by arranging the first hinge shaft 421, when the first stopper 420 is turned vertically manually, the first stopper 420 is integrally arranged in the first groove 430, the second stopper is not in contact with the first stopper 420 at the moment, the fixture block 400 can move upwards to be separated from the buckle 520, and the second stopper and the buckle 520 can be the same member; when the first stopper 420 is turned over under the action of the first elastic member 422 until the top of the first stopper 420 protrudes out of the first groove 430, the first stopper 420 abuts against the second stopper from bottom to top, and at this time, the latch 400 cannot move upwards to be separated from the buckle 520, so that the base 100 can be prevented from accidentally falling off from the buckle 520; the first elastic member 422 may be a torsion spring, which is sleeved outside the first hinge 421, two ends of the torsion spring are respectively connected to the latch 400 and the first latch 420, and the first elastic member 422 may also be a spring plate, a spring, or other suitable members.

In some embodiments of the present invention, the base 100 further has a pinch valve 310, the pinch valve 310 is disposed below the accommodating groove 110, and the pinch valve 310 is electrically connected to the inductive probe. When the infusion apparatus is used, the dropping funnel 910 is placed in the containing groove 110, and the infusion tube 920 led out from the bottom of the dropping funnel 910 passes through the pinch valve 310, so that when the inductive probe detects that no liquid drop drops within a period of time, for example, no liquid drop drops within ten seconds, the infusion may be ended, and at the moment, the pinch valve 310 can be controlled to pinch the infusion tube 920 to stop infusion in time; the pinch valve 310 can be driven by a stepping motor or a servo motor, so that the pinch valve 310 can control the speed of the infusion.

In some embodiments of the present invention, the base 100 further has a bubble sensor 320, the bubble sensor 320 is disposed below the accommodating groove 110, and the bubble sensor 320 is electrically connected to the pinch valve 310. As shown in fig. 1, the bubble sensor 320 is disposed between the receiving tank 110 and the pinch valve 310, when in use, the dropping funnel 910 is placed in the receiving tank 110, the infusion tube 920 led out from the bottom of the dropping funnel 910 sequentially passes through the bubble sensor 320 and the pinch valve 310, and if the bubble sensor 320 detects that there is a bubble in the infusion tube 920, the pinch valve 310 pinches the infusion tube 920 to stop the infusion in time, so as to prevent air from being input into the blood vessel of the patient.

The utility model discloses an in some embodiments, infusion speed sensor still includes display terminal, and infrared correlation sensor passes through wire electric connection with display terminal.

The above description is for the purpose of illustrating the preferred embodiments of the present invention, but the present invention is not limited to the illustrated embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the appended claims.

Claims (10)

1. The utility model provides an infusion speed sensor which characterized in that: the clamping device comprises a base, be equipped with the storage tank on the base, the vertical extension of storage tank, the storage tank upside is equipped with the centre gripping subassembly, the centre gripping subassembly includes first chuck and second chuck, first chuck with the second chuck sets up relatively, first chuck with the second chuck is all located on the inner wall of storage tank, be equipped with first inner chamber in the first chuck, first inner chamber has first open mouth, first open mouth orientation the second chuck, first intracavity is equipped with inductive probe, first chuck and/or the second chuck with base elastic connection.

2. The infusion speed measurement device according to claim 1, wherein: the clamping assembly is provided with an infrared correlation sensor, and the infrared correlation sensor comprises a transmitting probe and a receiving probe; a second inner cavity is arranged in the second chuck, the second inner cavity is provided with a second open port, the second open port faces the first chuck, one of the transmitting probe and the receiving probe is the induction probe, and the other one of the transmitting probe and the receiving probe is arranged in the second inner cavity.

3. The infusion speed measurement device according to claim 1, wherein: the left end of the first chuck is provided with a first notch, the first notch extends vertically, the position of the first chuck relative to the second chuck is taken as the right direction, and the front and back sizes of the first notch are gradually reduced from left to right; the right-hand member of second chuck is equipped with the second breach, the vertical setting of second breach, the preceding back size of second breach reduces from the right side to left side gradually.

4. The infusion speed measurement device according to claim 1, wherein: the first chuck is elastically connected with the base, the position of the first chuck relative to the second chuck is the right direction, the base is provided with a third inner cavity, the third inner cavity is provided with a third open hole, the third open hole is positioned at the left end of the third inner cavity, the third open hole is arranged on the inner wall of the accommodating groove, the first chuck is arranged in the third open hole, the first chuck is connected with the third inner cavity in a left-right sliding mode, a second elastic component is arranged in the third inner cavity, and two ends of the second elastic component are respectively connected with the cavity wall of the third inner cavity and the first chuck.

5. The infusion speed measurement device according to claim 4, wherein: the wall of the third inner cavity is provided with a first opening, the first opening is transversely arranged, a connecting block is arranged in the first opening, a shifting block is arranged beside the first opening and is arranged on the outer side of the third inner cavity, and the shifting block is fixedly connected with the first chuck through the connecting block.

6. An infusion speed measurement device according to any one of claims 1 to 5, wherein: the base is provided with a jaw clamp, and the jaw clamp is detachably connected with the base.

7. The infusion speed measurement device according to claim 6, wherein: the tiger's mouth clamp with be equipped with coupling assembling between the base, coupling assembling includes fixture block and buckle, the fixture block set firmly in on the base, the buckle set firmly in on the tiger's mouth clamp, the buckle has first linking arm and second linking arm, the fixture block is located first linking arm with between the second linking arm, be equipped with first arch on the first linking arm, it is protruding to be equipped with the second on the second linking arm, first arch with the protruding relative setting of second, be equipped with two spouts on the fixture block, two the bottom of spout is worn respectively out in the bottom of fixture block, two the top of spout is all sealed, first arch with the second is protruding to be located two respectively in the spout.

8. The infusion speed measurement device according to claim 7, wherein: a first groove is formed in the clamping block, a first stop block and a first elastic component are arranged in the first groove, a hinge shaft at the hinged position of the first stop block and the first groove is called a first hinge shaft, the first hinge shaft is located on the lower side of the first stop block, the first hinge shaft is parallel to the connecting line of the first protrusion and the second protrusion, and the first stop block is connected with the clamping block through the first elastic component; and a second stop block is fixedly arranged on the buckle and is arranged above the first stop block, and the second stop block is in contact with the first stop block.

9. An infusion speed measurement device according to any one of claims 1 to 5, wherein: the base is further provided with a pinch valve, the pinch valve is arranged below the accommodating groove, and the pinch valve is electrically connected with the induction probe.

10. The infusion speed measurement device according to claim 9, wherein: the base is further provided with a bubble sensor, the bubble sensor is arranged below the accommodating groove, and the bubble sensor is electrically connected with the pinch valve.

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