CN219662501U - Infusion controller - Google Patents

Abstract

The utility model discloses an infusion controller, which also comprises a first shell, a second shell, a locking mechanism and an adjusting mechanism, wherein the first shell is provided with a locking mechanism; the left side of the first shell is hinged to the left side of the second shell, the right side of the first shell is connected to the right side of the second shell through a locking mechanism, and the locking mechanism is used for locking or unlocking the first shell and the second shell; the first shell is provided with a first groove in a penetrating way up and down, the second shell is provided with a second groove in a penetrating way up and down, and a channel for the infusion tube to pass through is formed between the first groove and the second groove; the regulating mechanism is arranged in the first shell and the second shell and is used for regulating the flow rate of liquid in the infusion tube. The infusion controller can prevent patients from adjusting privately, and has higher safety.

Description

Infusion controller

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to an infusion controller.

Background

The infusion controller is a control device which is arranged on the infusion tube and is used for adjusting the dropping speed of clinical intravenous infusion, and has the advantages of small volume, flexibility, convenient use and the like.

At present, the existing infusion controller generally adjusts the infusion dropping speed through a sliding roller, and in the actual infusion process of the infusion controller, some patients (especially old patients) are reluctant to listen to orders of medical staff for time or other reasons, and generally self-adjust the infusion controller, so that the infusion dropping speed is improved, various adverse reactions are easily caused due to the excessively rapid infusion dropping speed, and potential safety hazards exist.

Therefore, how to improve the existing infusion controller to overcome the above-mentioned shortcomings is a problem to be solved by those skilled in the art.

Disclosure of Invention

An object of the present utility model is to provide an infusion controller which can prevent patient's private adjustment and is highly safe.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an infusion controller further comprising a first housing, a second housing, a locking mechanism, and an adjustment mechanism; the left side of the first shell is hinged to the left side of the second shell, the right side of the first shell is connected to the right side of the second shell through the locking mechanism, and the locking mechanism is used for locking or unlocking between the first shell and the second shell; the first shell is vertically penetrated with a first groove, the second shell is vertically penetrated with a second groove, and a channel for a transfusion tube to pass through is formed between the first groove and the second groove; the regulating mechanism is arranged in the first shell and the second shell and is used for regulating the flow rate of liquid in the infusion tube.

Preferably, the first shell is provided with a shaft hole in a penetrating way; the locking mechanism comprises a coded disc, a rotating shaft, a hook and a hanging ring; the rotating shaft is rotatably arranged in the shaft hole, one end, located outside the first shell, of the rotating shaft is coaxially connected with the password disc, and one end, located inside the first shell, of the rotating shaft is connected with the hook; the hanging ring is arranged in the second shell, and when the password disc is rotated to enable the hook to be hung on the hanging ring, the first shell and the second shell can be locked; the part of the hook, which is connected with the hanging ring in a hanging way, is of an arc-shaped structure, and the axis of the arc-shaped structure is the same as the axis of the rotating shaft.

Preferably, the code disc is provided with a digital code, and the first shell is provided with an indication mark for corresponding to a single digital code.

Preferably, the number of the locking mechanisms is at least two, and the locking mechanisms are arranged at equal intervals along the same direction.

Preferably, the locking mechanism further comprises a nut, the nut is in threaded connection with the rotating shaft, and the nut and the code disc are suitable for limiting the rotating shaft to generate axial displacement.

Preferably, the adjusting mechanism comprises an adjusting block, a plurality of pressing blocks and a plurality of elastic pieces; each pressing block is arranged in the second shell in a sliding manner, is arranged at intervals along the up-down direction, and is provided with two inclined guide surfaces in an up-down symmetry manner at one end, far away from the infusion tube, of each pressing block; at least one elastic piece is arranged between each pressing block and the second shell, and is used for forcing the corresponding pressing block to slide in a direction away from the infusion tube until one end, away from the infusion tube, of each pressing block is kept flush when the pressing blocks stop sliding, and the interval between one end, close to the infusion tube, of each pressing block and the infusion tube is sequentially increased or decreased along the up-down direction; the adjusting block is arranged in the second shell in a vertically sliding mode, and two inclined pressing surfaces are symmetrically arranged on the adjusting block up and down corresponding to one end of each pressing block; when the adjusting block slides up and down, the inclined pressing surface forces the pressing block to slide towards the direction close to the infusion tube through the inclined guide surface until the adjusting block abuts against one pressing block, and the pressing block stops sliding and presses the infusion tube.

Preferably, each pressing block is provided with a mounting hole in a penetrating way up and down; the adjusting mechanism further comprises a mounting rod, the mounting rod penetrates through the mounting hole, and the upper end and the lower end of the mounting rod are fixed to the second shell, so that each pressing block can be connected to the mounting rod in a left-right sliding mode; each elastic piece is arranged between each mounting hole and each mounting rod, and a bulge for fixing the elastic piece is arranged at the position, corresponding to each mounting hole, on each mounting rod.

Preferably, the pressing blocks are horizontally extended with extension parts at one ends close to the infusion tube, the positions of the first shell and the second shell corresponding to the extension parts are respectively provided with a sliding groove in a penetrating mode, and the extension parts are connected in the corresponding sliding grooves in a left-right sliding mode.

Preferably, the adjusting mechanism further comprises a guide rod, and the upper end and the lower end of the guide rod are fixed on the second shell; the adjusting block is vertically penetrated with a guide hole, and the guide hole is vertically connected with the guide rod in a sliding manner.

Preferably, an anti-slip structure is arranged on one side of the adjusting block, which faces away from the second shell.

Compared with the prior art, the utility model has the beneficial effects that: since the left side of the first shell is hinged to the left side of the second shell, the locking mechanism is used for locking or unlocking the first shell and the second shell; the channel for the infusion tube to pass through is formed between the first groove and the second groove, and the adjusting mechanism is arranged in the first shell and the second shell; therefore, when the infusion tube is used, the locking mechanism is only required to be unlocked firstly, the first shell is opened, the second groove is sleeved on the infusion tube, and the flow rate of liquid in the infusion tube is regulated by the regulating mechanism; and then, covering the first shell, and locking the first shell and the second shell again through the locking mechanism, wherein the first groove and the second groove are just sleeved on the infusion tube. That is, medical staff can unlock the locking mechanism, so that the first shell can be opened, and the flow rate of liquid in the infusion tube can be adjusted through the adjusting mechanism; after the regulation, can lock again through locking mechanism, because only one hand can freely move about when patient infuses, in addition the patient is difficult to know how to operate again and makes locking mechanism unblock to can prevent effectively that the patient from opening first casing and through the dropping speed of adjustment mechanism private adjustment infusion, the security is higher.

Drawings

Fig. 1 is a perspective view of an infusion controller provided by the utility model.

Fig. 2 is an enlarged view of a portion of the present utility model at I in fig. 1.

Fig. 3 is a perspective view of the infusion controller of fig. 1 after opening the first housing provided by the present utility model.

Fig. 4 is an exploded view of a portion of the structure of fig. 3 provided by the present utility model.

Fig. 5 is an enlarged view of the locking mechanism of fig. 4 provided by the present utility model.

Fig. 6 is an enlarged view of the second housing of fig. 3 provided by the present utility model.

Fig. 7 is an enlarged view of part II of fig. 6 provided by the present utility model.

Fig. 8 is an enlarged view of the adjustment block and guide bar of fig. 3 provided by the present utility model.

Fig. 9 is an enlarged view of the press block of fig. 3 provided by the present utility model.

Fig. 10 is an enlarged view of the mounting bar of fig. 3 provided by the present utility model.

Fig. 11 is an enlarged view of a portion of fig. 10 at III, provided by the present utility model.

FIG. 12 is a cross-sectional view of the infusion controller of FIG. 1 provided by the present utility model.

Fig. 13 is an enlarged view of a portion of the IV of fig. 12 provided by the present utility model.

Fig. 14 is an enlarged view of a portion of fig. 12 at V provided by the present utility model.

Fig. 15 is a view showing another construction of the hanger of fig. 14 according to the present utility model.

In the figure: 1. a first housing; 11. a first groove; 12. a shaft hole; 13. an indication mark; 14. a chute; 2. a second housing; 21. a second groove; 3. a locking mechanism; 31. a code disc; 32. a rotating shaft; 33. a hook; 34. hanging rings; 35. a nut; 4. an adjusting mechanism; 41. an adjusting block; 411. obliquely pressing the surface; 412. a guide hole; 413. an anti-slip structure; 42. pressing the blocks; 421. a sloped guide surface; 422. a mounting hole; 423. an extension; 43. an elastic member; 44. a mounting rod; 441. a protrusion; 45. a guide rod; 100. an infusion tube.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 and 3, one embodiment of the present utility model provides an infusion controller further including a first housing 1, a second housing 2, a locking mechanism 3, and an adjustment mechanism 4; the left side of the first shell 1 is hinged to the left side of the second shell 2, the right side of the first shell 1 is connected to the right side of the second shell 2 through a locking mechanism 3, and the locking mechanism 3 is used for locking or unlocking between the first shell 1 and the second shell 2; the first shell 1 is provided with a first groove 11 in a penetrating way up and down, the second shell 2 is provided with a second groove 21 in a penetrating way up and down, and a channel for the infusion tube 100 to pass through is formed between the first groove 11 and the second groove 21; the adjusting mechanism 4 is disposed inside the first housing 1 and the second housing 2, and the adjusting mechanism 4 is used for adjusting the flow rate of the liquid in the infusion tube 100.

The working process of the infusion controller comprises the following steps: when in use, the locking mechanism 3 is unlocked firstly, the first shell 1 is opened, the second groove 21 is sleeved on the infusion tube 100 (as shown in fig. 3), and the flow rate of liquid in the infusion tube 100 is regulated by the regulating mechanism 4; next, the first housing 1 is covered, and the first housing 1 and the second housing 2 are locked again by the locking mechanism 3, at this time, the first groove 11 and the second groove 21 are just sleeved on the infusion tube 100 (as shown in fig. 1). That is, the medical staff can unlock the locking mechanism 3, so that the first housing 1 can be opened, and thus the flow rate of the liquid in the infusion tube 100 can be adjusted by the adjusting mechanism 4. After the regulation, can lock again through locking mechanism 3, because only one hand can freely move about when patient infuses, in addition the patient is difficult to know how to operate again and makes locking mechanism 3 unblock to can prevent effectively that the patient from opening first casing 1 and adjust the dropping speed of infusion privately through adjustment mechanism 4, the security is higher.

Referring to fig. 4 to 7, in some embodiments of the present utility model, a shaft hole 12 (shown in fig. 4) is formed through the first housing 1; the locking mechanism 3 comprises a code disc 31, a rotating shaft 32, a hook 33 and a hanging ring 34; as shown in fig. 5, the rotating shaft 32 is rotatably disposed in the shaft hole 12, one end of the rotating shaft 32 located outside the first housing 1 is coaxially connected with the code disc 31, and one end of the rotating shaft 32 located inside the first housing 1 is connected with the hook 33; the hanging ring 34 is disposed inside the second housing 2 (as shown in fig. 6 and 7), and when the code disc 31 is rotated to enable the hook 33 to be hung on the hanging ring 34 (as shown in fig. 14), the first housing 1 and the second housing 2 can be locked; the part of the hook 33 which is connected with the hanging ring 34 in a hanging way is of an arc-shaped structure, and the axis of the arc-shaped structure is the same as the axis of the rotating shaft 32. Conversely, when the code wheel 31 is rotated to separate the hook 33 from the hanging ring 34, unlocking between the first housing 1 and the second housing 2 can be achieved. It should be understood that, as shown in fig. 14 and 15, by increasing the length of the arc-shaped structure on the hook 33, that is, increasing the central angle of the arc-shaped structure, the portion where the hook 33 is hooked with the hanging ring 34 increases, that is, the probability that the hook 33 is separated from the hanging ring 34 is smaller.

Referring to fig. 2, in some embodiments of the present utility model, a number code is provided on the code wheel 31, and an indication mark 13 for corresponding to a single number code is provided on the first housing 1. The unlocking position of the code wheel 31 is conveniently memorized by the digital code corresponding to the indication mark 13.

Referring to fig. 3 and 4, in some embodiments of the present utility model, the number of locking mechanisms 3 is at least two, and the respective locking mechanisms 3 are equally spaced in the same direction. The greater the number of locking mechanisms 3, the less likely the patient will be to unlock privately.

Referring to fig. 4 and 5, in some embodiments of the present utility model, to facilitate axial limiting of the rotating shaft 32, the locking mechanism 3 further includes a nut 35, where the nut 35 is screwed to the rotating shaft 32, and the nut 35 and the code wheel 31 are adapted to limit the axial displacement of the rotating shaft 32.

In some embodiments of the utility model, referring to fig. 3 and 8-13, the adjustment mechanism 4 includes an adjustment block 41, a plurality of pressing blocks 42, and a plurality of elastic members 43; each pressing block 42 is arranged in the second shell 2 in a sliding manner in a left-right manner, each pressing block 42 is arranged at intervals in the up-down direction, and two inclined guide surfaces 421 are vertically symmetrically arranged at one end, far away from the infusion tube 100, of each pressing block 42; at least one elastic piece 43 is arranged between each pressing block 42 and the second shell 2, the elastic piece 43 is used for forcing the corresponding pressing block 42 to slide in a direction away from the infusion tube 100 until one end, away from the infusion tube 100, of each pressing block 42 is kept flush when the pressing block 42 stops sliding, and the interval between one end, close to the infusion tube 100, of each pressing block 42 and the infusion tube 100 is sequentially increased or decreased along the up-down direction; the adjusting block 41 is arranged in the second shell 2 in a vertically sliding way, and two inclined pressing surfaces 411 are symmetrically arranged on the adjusting block 41 up and down corresponding to one end of each pressing block 42; when the adjustment block 41 is slid up and down, the inclined pressing surface 411 forces the pressing block 42 to slide in a direction approaching the infusion tube 100 by the inclined guide surface 421, and when the adjustment block 41 abuts against one of the pressing blocks 42, the pressing block 42 stops sliding and presses the infusion tube 100. As shown in fig. 13, when the adjustment block 41 is slid down, the inclined pressing surface 411 on the lower side of the adjustment block 41 acts on the inclined guiding surface 421 on the upper side of the corresponding pressing block 42, thereby forcing the corresponding pressing block 42 to slide toward the infusion tube 100 (i.e., leftward), until the adjustment block 41 is completely abutted against the right side of the corresponding pressing block 42, the pressing block 42 can stop sliding leftward; at this time, the elastic force of the elastic member 43 forces the pressing block 42 and the adjusting block 41 to abut against each other, thereby preventing the adjusting block 41 from sliding further, and further enabling the pressing block 42 to press the infusion tube 100 at a fixed position, thereby controlling the flow rate of the liquid in the infusion tube 100. As shown in fig. 12, since the initial distances between the different pressing blocks 42 and the infusion tube 100 are different, when the adjusting block 41 is abutted against the right side of the different pressing blocks 42, the flow rate of the liquid in the infusion tube 100 is different, and thus, infusion at different gear flow rates can be realized. In addition, the adjusting function can be realized by the two inclined pressing surfaces 411 on the adjusting block 41 and the two inclined guiding surfaces 421 on the respective pressing blocks 42, regardless of whether the adjusting block 41 slides upward or downward.

Referring to fig. 9 to 11 and 13, in some embodiments of the present utility model, each pressing block 42 is provided with a mounting hole 422 (shown in fig. 9) penetrating up and down. As shown in fig. 10, the adjusting mechanism 4 further includes a mounting rod 44, the mounting rod 44 penetrates through the mounting hole 422, and the upper and lower ends of the mounting rod 44 are fixed to the second housing 2, so that each pressing block 42 is slidably connected to the mounting rod 44 (as shown in fig. 13) left and right; each elastic member 43 is disposed between each mounting hole 422 and the mounting rod 44, and a protrusion 441 for fixing the elastic member 43 is disposed on the mounting rod 44 corresponding to each mounting hole 422 (as shown in fig. 11 and 13). By the limit sliding between the mounting rod 44 and the mounting hole 422, the left and right sliding of each pressing block 42 can be limited. In addition, the elastic member 43 is conveniently installed by using the gap between the installation bar 44 and the installation hole 422, thereby making the structure more compact. In addition, the elastic member 43 is conveniently fixed by the protrusions 441, so that the difficulty in mounting the elastic member 43 can be reduced.

Referring to fig. 4, 6 and 9, in some embodiments of the present utility model, an extension portion 423 horizontally extends from one end of each pressing block 42 near the infusion tube 100, and the positions of the corresponding extension portions 423 on the first housing 1 and the second housing 2 are respectively provided with a sliding groove 14 in a penetrating manner, and the extension portions 423 are slidably connected in the corresponding sliding grooves 14 in a left-right direction. On the one hand, by the sliding fit between the extension 423 and the chute 14, the sliding accuracy of the pressing block 42 can be improved; on the other hand, the current gear position of the adjustment mechanism 4 may be determined directly from the position of the extension 423 in each chute 14 on the first casing 1 side or the second casing 2 side without opening the first casing 1 (as shown in fig. 1).

Referring to fig. 8, in some embodiments of the present utility model, the adjusting mechanism 4 further includes a guide rod 45, and upper and lower ends of the guide rod 45 are fixed to the second housing 2; the adjusting block 41 is provided with a guide hole 412 penetrating up and down, and the guide hole 412 is connected to the guide rod 45 in a vertically sliding manner. The sliding limit of the adjusting block 41 can be realized through the sliding fit between the guide rod 45 and the guide hole 412.

Referring to fig. 3 and 8, in some embodiments of the present utility model, an anti-slip structure 413 is provided on the side of the adjustment block 41 facing away from the second housing 2. The friction force with the finger contact can be increased by the anti-slip structure 413 so as to slidingly operate the adjustment block 41.

It should be noted that, in order to realize an automatic alarm function when the infusion is completed, an automatic alarm device (the automatic alarm device is not shown in the drawing) may be further disposed inside the first housing 1 and the second housing 2, and after the infusion is completed, the automatic alarm device may automatically issue a warning to prompt medical staff to process in time. The automatic alarm device is in the prior art, and the specific structure and the working principle of the automatic alarm device are not described in detail herein.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. An infusion controller is characterized by further comprising a first shell, a second shell, a locking mechanism and an adjusting mechanism; the left side of the first shell is hinged to the left side of the second shell, the right side of the first shell is connected to the right side of the second shell through the locking mechanism, and the locking mechanism is used for locking or unlocking between the first shell and the second shell; the first shell is vertically penetrated with a first groove, the second shell is vertically penetrated with a second groove, and a channel for a transfusion tube to pass through is formed between the first groove and the second groove; the adjusting mechanism is arranged in the first shell and the second shell and is used for adjusting the flow rate of liquid in the infusion tube;

the first shell is provided with a shaft hole in a penetrating way; the locking mechanism comprises a coded disc, a rotating shaft, a hook and a hanging ring; the rotating shaft is rotatably arranged in the shaft hole, one end, located outside the first shell, of the rotating shaft is coaxially connected with the password disc, and one end, located inside the first shell, of the rotating shaft is connected with the hook; the hanging ring is arranged in the second shell, and when the password disc is rotated to enable the hook to be hung on the hanging ring, the first shell and the second shell can be locked; the part of the hook, which is connected with the hanging ring in a hanging way, is of an arc-shaped structure, and the axis of the arc-shaped structure is the same as the axis of the rotating shaft.

2. The infusion controller of claim 1, wherein the combination dial is provided with a digital combination and the first housing is provided with an indicator for each of the digital combinations.

3. The infusion controller of claim 1, wherein the number of locking mechanisms is at least two, and wherein each of the locking mechanisms is equally spaced in the same direction.

4. The infusion controller of claim 1, wherein the locking mechanism further comprises a nut threadably coupled to the shaft and adapted to limit axial displacement of the shaft between the nut and the dial.

5. The infusion controller of any one of claims 1-4, wherein the adjustment mechanism comprises an adjustment block, a plurality of pressing blocks, and a plurality of elastic members; each pressing block is arranged in the second shell in a sliding manner, is arranged at intervals along the up-down direction, and is provided with two inclined guide surfaces in an up-down symmetry manner at one end, far away from the infusion tube, of each pressing block; at least one elastic piece is arranged between each pressing block and the second shell, and is used for forcing the corresponding pressing block to slide in a direction away from the infusion tube until one end, away from the infusion tube, of each pressing block is kept flush when the pressing blocks stop sliding, and the interval between one end, close to the infusion tube, of each pressing block and the infusion tube is sequentially increased or decreased along the up-down direction; the adjusting block is arranged in the second shell in a vertically sliding mode, and two inclined pressing surfaces are symmetrically arranged on the adjusting block up and down corresponding to one end of each pressing block; when the adjusting block slides up and down, the inclined pressing surface forces the pressing block to slide towards the direction close to the infusion tube through the inclined guide surface until the adjusting block abuts against one pressing block, and the pressing block stops sliding and presses the infusion tube.

6. The infusion controller of claim 5, wherein each of said pressing blocks has a mounting hole extending therethrough from above and below; the adjusting mechanism further comprises a mounting rod, the mounting rod penetrates through the mounting hole, and the upper end and the lower end of the mounting rod are fixed to the second shell, so that each pressing block can be connected to the mounting rod in a left-right sliding mode; each elastic piece is arranged between each mounting hole and each mounting rod, and a bulge for fixing the elastic piece is arranged at the position, corresponding to each mounting hole, on each mounting rod.

7. The infusion controller of claim 5, wherein an extension portion horizontally extends from one end of each pressing block near the infusion tube, and the positions of the first housing and the second housing corresponding to the extension portions are respectively provided with a chute in a penetrating manner, and the extension portions are connected in the corresponding chutes in a sliding manner.

8. The infusion controller of claim 5, wherein the adjustment mechanism further comprises a guide rod, the guide rod having upper and lower ends secured to the second housing; the adjusting block is vertically penetrated with a guide hole, and the guide hole is vertically connected with the guide rod in a sliding manner.

9. The infusion controller of claim 5, wherein the adjustment block has an anti-slip feature on a side thereof facing away from the second housing.