CN207237014U - It is a kind of can limited amount hydrocrania external drainage device - Google Patents

Abstract

The utility model discloses it is a kind of can limited amount hydrocrania external drainage device, including transparent outer shell barrel is equipped with head cover the top side detachable of outer shell barrel, is provided with transparent and with graduated liquid cylinder in outer shell barrel, is passed through at the top of liquid cylinder and is connected with the first chamber shell；The top of the head cover is provided with connecting tube, the lower part of head cover is provided with the water conservancy diversion Taper Pipe connected with the connecting tube, the bottom of water conservancy diversion Taper Pipe is connected with the second chamber shell, and the first chamber shell, the second chamber shell are hollow hemisphere face structure, and the first chamber shell, the second chamber shell detachable connection；Through hole is offered on the second chamber shell, the negative pressure for connecting syringe is provided with the side wall of the outer shell barrel and is intubated.The utility model can use multiple syringes at the same time, or be supplemented syringe when subnormal ambient is undesirable, to maintain the subnormal ambient that drainage requires, so that drainage effect is more preferable.

Description

A device for external drainage of cerebral effusion with limited quantity

technical field

The utility model relates to a craniocerebral drainage tool, in particular to an external drainage device for cerebral effusion with limited quantity.

Background technique

When the brain is injured externally or has internal lesions, fluid or blood in the intracranial tissues can easily form hydrocephalus, resulting in increased intracranial pressure, which is life-threatening. For the treatment of effusion, drainage tools are currently used clinically to remove the effusion to reduce intracranial pressure. The craniocerebral drainage tool that uses now mostly adopts syringe and drainage tube to constitute, and the reason is that such drainage tool is simple in structure, easy to operate, and it is also comparatively simple to obtain materials. Usually, the piston rod of the syringe is pulled back and fixed, and the negative pressure environment established in the syringe is used to drain the effusion.

To reduce intracranial pressure through drainage, regular nursing observation is required. If the amount of effusion is not significantly reduced, continued drainage is required. In addition, during craniocerebral drainage, there is a relatively strict control over the amount of fluid drained. Although the current drainage tools are simple to use and have obvious effects, they also have some disadvantages: First, after using a syringe to establish a negative pressure environment and fix the piston rod at a certain position, there is no special fixing tool, which makes the position of the piston rod easy. Changes will affect the negative pressure environment; secondly, after the piston rod is fixed, due to the uneven quality of the syringe, there may be air leakage between the piston and the inner wall of the syringe, so the drainage volume will be inaccurate; thirdly, during multiple drainage, It is very inconvenient to replace the syringe repeatedly, and there is no way to uniformly measure the drainage volume for multiple times.

Contents of the invention

In view of the problems existing in the above-mentioned prior art, the purpose of this utility model is to provide an external drainage device for cerebrospinal fluid with a limited amount. The negative pressure environment can be established by using the syringe, and the negative pressure environment can be maintained, so that the drainage measurement is more accurate. Accurate, good drainage effect.

In order to achieve the above tasks, the utility model adopts the following technical solutions:

A device for external drainage of cerebral effusion with a limited amount, comprising a transparent casing, the top of the casing is detachably equipped with a top cover, a transparent and graduated liquid collection cylinder is arranged in the casing, and the top of the liquid collection cylinder The first cavity shell is connected; the upper part of the top cover is provided with a connecting pipe, the lower part of the top cover is provided with a diversion cone connected to the connection pipe, and the lower end of the diversion cone is connected with a second The cavity shell, the first cavity shell and the second cavity shell are all hollow hemispherical structures, and the first cavity shell and the second cavity shell are detachably connected; the second cavity shell is provided with a through hole, so A negative pressure intubation tube for connecting a syringe is arranged on the side wall of the outer casing.

Further, a sealing rubber ring is provided on the inner wall of the negative pressure cannula.

Further, the connection between the top cover and the outer casing, and between the first cavity shell and the second cavity shell are screw fit.

Further, the lower end of the diversion cone protrudes into the inside of the second chamber shell, and the distance between the through hole and the bottom surface of the housing is greater than the distance between the lower end of the diversion cone and the bottom surface of the housing. distance.

Further, the outer wall of the shell cylinder is provided with side plates, and fixing devices are distributed on the side plates; the fixing devices include two pairs of card platforms arranged at intervals, wherein each pair of card platforms is arranged in parallel; There are struts arranged on the side of the card table.

Further, a bottom plate is provided under the shell tube, the shell tube is fixed on the bottom plate through a bracket, and a bottom groove is opened on the bottom plate; The liquid pipe is equipped with a valve on the discharge pipe.

Further, a liquid level sensor is provided in the liquid collection cylinder, a control panel is provided on the outer wall of the outer casing, and a controller, a display screen connected to the controller, an alarm and a keyboard are integrated on the control panel; The liquid level sensor described above is connected with the controller.

The utility model has the following technical characteristics:

1. This utility model can use multiple syringes at the same time, or add syringes when the negative pressure environment is not ideal, so as to maintain the negative pressure environment required for drainage, so that the drainage effect is better;

2. The utility model can carry out accurate quantitative drainage, and the amount of drainage is no longer affected by a single syringe;

3. The utility model can well fix the piston rod of the syringe to ensure that the syringe can play a good drainage effect, and adopts a detachable way, and the use process is simple.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the top view structural representation of the utility model;

The symbols in the figure represent: 1—housing cylinder, 2—top cover, 3—edge, 4—cone diversion tube, 5—second cavity shell, 6—through hole, 7—liquid collection cylinder, 8—scale, 9— The first cavity shell, 10—top platform, 11—connecting pipe, 12—side plate, 13—card table, 14—support rod, 15—liquid level sensor, 16—control panel, 17—negative pressure intubation tube, 18— Support, 19—bottom tank, 20—drain pipe, 21—base plate, 22—valve.

Detailed ways

According to the above-mentioned technical scheme, as shown in Fig. 1 and Fig. 2, the utility model discloses an external drainage device for cerebral effusion with a limitable amount, which includes a transparent shell tube 1, and the top of the shell tube 1 is detachably equipped with a top The cover 2 is provided with a transparent liquid collection cylinder 7 with a scale 8 in the shell cylinder 1, and the top of the liquid collection cylinder 7 is connected with the first chamber shell 9; the upper part of the top cover 2 is provided with a connecting pipe 11, The bottom of the top cover 2 is provided with the diversion cone 4 communicated with the connecting pipe 11, the lower end of the diversion cone 4 is connected with the second cavity shell 5, the first cavity shell 9, the second cavity shell 5 are both It is a hollow hemispherical structure, and the first cavity shell 9 and the second cavity shell 5 are detachably connected; the second cavity shell 5 is provided with a through hole 6, and the side wall of the shell tube 1 is A negative pressure cannula 17 for connecting a syringe is provided.

The main structure of the utility model includes a transparent, hollow cylindrical casing 1, the top of the casing 1 is open, and a top cover 2 with a rim 3 is assembled on the opening through threaded fit. When the top cover 2 is tightened on the casing After the cylinder 1 is installed, the inside of the housing cylinder 1 is in a sealed state. There is a transparent liquid collection cylinder 7 inside the housing cylinder 1 for collecting drainage fluid. There is a scale 8 on the liquid collection cylinder 7, so that the current drainage amount can be observed conveniently. When the medical staff observes that the amount of drainage fluid in the current liquid collection cylinder 7 reaches the drainage requirement, the current drainage process can be stopped. In the next drainage, the current drainage device can still be used, so that the total amount of multiple drainage fluids can be measured through a liquid collection tube 7 .

The principle of using the utility model to carry out negative pressure drainage is that, as shown in Figure 1, the liquid collection cylinder 7 is connected with the diversion cone 4, the diversion cone 4 is connected with the connecting pipe 11, and the connecting pipe 11 is used for drainage tube connection. A spherical shell structure composed of the first chamber shell 9 and the second chamber shell 5 is arranged between the diversion cone 4 and the liquid collection cylinder 7. The two are connected by threaded fit and can be separated from each other by rotation. or linked together. There is a through hole 6 on the second cavity shell 5, so that the inside of the second liquid collecting tube 7 and the diversion cone 4 are connected with the inside of the shell tube 1. The negative pressure cannula 17 is used to connect a negative pressure device, such as a syringe. The inner wall of the negative pressure intubation tube 17 is provided with a sealing rubber ring, and in a natural state, the sealing rubber ring shrinks to block the inside of the negative pressure intubation tube 17 . When using a syringe, when the front end of the syringe is inserted into the negative pressure intubation tube 17, the sealing rubber ring will be stretched, and the syringe can be used to extract the gas in the outer casing 1 at this time. Through such a structure, the gas in the shell cylinder 1 and the liquid collection cylinder 7 can be continuously extracted, so that the liquid collection cylinder 7 is in a negative pressure environment, so that the liquid can flow along the drainage tube, the connecting pipe 11, and the diversion cone 4 , The second cavity shell 5 and the first cavity shell 9 flow into the liquid collecting tube 7 . The design of the spherical structure of the first chamber shell 9 and the second chamber shell 5 prevents liquid from remaining on their inner walls, and facilitates subsequent disinfection and cleaning processes. Around the connecting pipe 11 is provided a circle of rubber top platform 10 for protecting the connecting pipe 11 .

As shown in Figure 1, in this solution, the lower end of the diversion cone 4 extends into the inside of the second cavity shell 5, and the distance between the through hole 6 and the bottom surface of the outer casing 1 is greater than that of the diversion cone. The distance between the lower end of the tube 4 and the bottom surface of the shell tube 1, that is, the position of the through hole 6 is higher than that of the bottom of the diversion cone tube 4, so that the through hole 6 will not be affected by the drainage liquid.

As a further optimization of the above-mentioned technical solution, in this solution, a side plate 12 is provided on the outer wall of the shell tube 1, and a fixing device is distributed on the side plate 12; the fixing device includes two pairs of card tables 13 arranged at intervals, wherein, Each pair of card tables 13 is arranged in parallel; a support rod 14 is arranged on the side of the card tables 13 . When the gas in the housing barrel 1 is less, after inserting the end of the syringe into the negative pressure intubation tube 17, pull the piston rod of the syringe backwards, and then clamp the two wing plates at the end of the syringe on the two sides of the fixing device respectively. In the card table 13, the main body of the syringe has been fixed like this, and then the support rod 14 is supported on the disc at the end of the piston rod of the syringe, so that the syringe always maintains the state that the piston rod is pulled away; by setting One or more syringes can keep the negative pressure state in the liquid collection cylinder 7 all the time.

As shown in Figure 1, a bottom plate 21 is provided below the shell cylinder 1, and the shell cylinder 1 is fixed on the bottom plate 21 through a bracket 18, and a bottom groove 19 is opened on the bottom plate 21; the bottom of the shell cylinder 1 is provided with There is a drain pipe 20 connected to the liquid collection cylinder 7, and a valve 22 is installed on the drain pipe 20. When needing to get rid of the internal drainage liquid, containers such as the collection box are placed in the bottom tank 19, then the valve 22 is opened to drain the liquid in the liquid collection cylinder 7, and then through washing and disinfection, the device can be reused.

On the basis of the above technical solution, in order to make the device more intelligent, a conceivable improvement is that a liquid level sensor 15 is arranged in the liquid collecting cylinder 7, and a control panel is arranged on the outer wall of the outer shell cylinder 1 16. The control panel 16 is integrated with a controller, a display screen connected to the controller, an alarm and a keyboard; the liquid level sensor 15 is connected to the controller. The liquid level height can be set through the keyboard and the display screen, and then the liquid level sensor 15 is used for monitoring. intervene. Processes such as information collection, feedback and processing, and alarming of sensors are widely used in the prior art and will not be described in detail here.

Claims (7)

1. a limited amount of external drainage device for cerebral effusion is characterized in that it comprises a transparent shell tube (1), the top of the shell tube (1) is detachably equipped with a top cover (2), the shell tube (1) ) is provided with a transparent liquid collection cylinder (7) with a scale (8), and the top of the liquid collection cylinder (7) is connected with a first cavity shell (9); the upper part of the top cover (2) is provided with There is a connecting pipe (11), the bottom of the top cover (2) is provided with a diversion cone (4) communicating with the connection pipe (11), and the lower end of the diversion cone (4) is connected with a second chamber The shell (5), the first cavity shell (9) and the second cavity shell (5) are all hollow hemispherical structures, and the first cavity shell (9) and the second cavity shell (5) are detachably connected; The second cavity shell (5) is provided with a through hole (6), and the side wall of the shell cylinder (1) is provided with a negative pressure intubation tube (17) for connecting a syringe. 2. The external drainage device for cerebral effusion with a limited amount according to claim 1, characterized in that a sealing rubber ring is arranged on the inner wall of the negative pressure intubation tube (17). 3. The external drainage device for cerebroeffusion with a limited amount as claimed in claim 1, characterized in that, between the top cover (2) and the outer casing (1), the first chamber shell (9) and the second The two-cavity shells (5) are all connected by screw threads. 4. The external drainage device for cerebral effusion with limited amount as claimed in claim 1, characterized in that, the lower end of the diversion cone (4) extends into the second chamber shell (5) Inside, the distance between the through hole (6) and the bottom surface of the casing (1) is greater than the distance between the lower end of the diversion cone (4) and the bottom surface of the casing (1). 5. The external drainage device for cerebral effusion with limited amount as claimed in claim 1, characterized in that, a side plate (12) is arranged on the outer wall of the shell tube (1), and the side plate (12) is distributed with There is a fixing device; the fixing device includes two pairs of card platforms (13) arranged at intervals, wherein each pair of card platforms (13) is arranged in parallel; rod (14). 6. The external drainage device for cerebroeffusion with a limited amount as claimed in claim 1, characterized in that, a base plate (21) is provided under the outer casing (1), and the outer casing (1) passes through The bracket (18) is fixed on the bottom plate (21), and a bottom groove (19) is opened on the bottom plate (21); the bottom of the outer casing (1) is provided with a drain pipe connected to the liquid collection tube (7) (20), valve (22) is installed on the discharge pipe (20). 7. The external drainage device for cerebral effusion with a limitable amount as claimed in claim 1, characterized in that, a liquid level sensor (15) is arranged in the liquid collection cylinder (7), and the outer shell cylinder (1 ) is provided with a control panel (16) on the outer wall, and the control panel (16) is integrated with a controller, a display screen connected to the controller, an alarm and a keyboard; the liquid level sensor (15) is connected to the controller.