CN215135770U - Plug opening device - Google Patents

Abstract

The utility model relates to an opening and closing device, which comprises an insertion tube inserted into the anus of a patient, an opening arranged at the front end of the insertion tube, and a circlip, wherein the circlip is provided with a central hole, the diameter of the central hole is smaller than the outer diameter of the insertion tube, and the intubation tube is sleeved with the circlip; the utility model provides a plug opening device, simple structure is compact, with low costs, convenient to use, can effectively prevent the problem of weeping in the in-service use, and clinical use is effectual.

Description

Plug opening device

Technical Field

The utility model relates to a glycerine enema technical field, concretely relates to glycerine enema device.

Background

The enema is a nursing product frequently used by constipation patients, and the common enema has two liquid medicines, one is glycerin liquid medicine, and the other is mannitol and magnesium sulfate liquid medicine; the two kinds of liquid medicine have different components, but basically the same principle, the high concentration of glycerin or sorbitol is utilized, namely the hypertonic action, the excrement is softened, the intestinal wall is stimulated, the defecation reaction is reflexively caused, and in addition, the lubricating effect is realized, the excrement can be easily discharged, and the application in clinic and daily life is wide.

The existing enema is generally provided with an insertion tube for inserting into the anus of a patient, when in actual use, a user needs to firstly insert the insertion tube into the position with a set depth in the anus of the patient, and then liquid medicine in the enema is injected into the anus of the patient through the insertion tube by utilizing pressure, so that the effects of softening excrement and stimulating intestinal walls are achieved; because the pressure in the anus is great, and different patients' hepatic portal contractility difference is great, make pressure size between anus lateral wall and the intubate have great difference, and the external diameter of intubate is fixed unchangeable usually, lead to at the injection in-process of reality, the liquid medicine flows the anus via the clearance between anus lateral wall and the intubate easily under the effect of interior pressure, can cause the pressure release on the one hand, be unfavorable for the liquid medicine to diffusion and flow in the anus under the effect of interior pressure, on the other hand, pollute the user easily, lead to using inconveniently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses in the first aspect will solve current enema use, because the pressure in the anus is great, there is great difference in the pressure size between anus lateral wall and the intubate, the liquid medicine flows the anus via the clearance between anus lateral wall and the intubate easily under the effect of interior pressure, can cause the pressure release on the one hand, be unfavorable for the liquid medicine to spread and flow in the anus under the effect of interior pressure, on the other hand, the easy contaminated user, lead to awkward problem, a simple structure is provided compact, be convenient for realize, and the good device of uncapping of clinical use effect, the main design is:

an opening device comprises an insertion tube for insertion into the anus of a patient, the front end of the insertion tube is configured with an opening, and the device further comprises a elastic collar, the elastic collar is configured with a central hole, the diameter of the central hole is smaller than the outer diameter of the insertion tube, and the elastic collar is sleeved on the insertion tube. The diameter of the central hole is smaller than the outer diameter of the insertion tube, so that the elastic check ring is in an elastic deformation state and can compress the insertion tube when the elastic check ring is sleeved on the insertion tube, on one hand, under the action of certain pressure, the elastic check ring can stably stay at the sleeved position, so that the elastic check ring cannot move relative to the insertion tube under the action of certain pressure, the aim of effectively blocking the anus can be fulfilled, liquid medicine is prevented from flowing out through a gap between the anus side wall and the insertion tube under the action of internal pressure, the purpose of pressure maintaining is achieved, and the liquid medicine is favorably diffused and flows into the anus under the action of internal pressure; on the other hand, the user can follow the length direction removal circlip of intubate, make in the in-service use process, the user both can remove required position department with circlip according to actual demand, in order to satisfy different patients 'demand, can reach the purpose of mark and control depth of insertion through the position that sets up circlip in advance again, compare in current device of opening the plug, have simple structure compactness, with low costs, convenient to use's characteristics, and can effectively prevent the problem of weeping in the in-service use process.

Preferably, the elastic retainer ring is a rubber retainer ring. The elastic check ring is made of rubber materials, so that the elastic check ring is low in cost, convenient to produce and manufacture, elastic and capable of meeting the functional requirements of the elastic check ring in the plug opening device.

To increase the friction force, the circlip is preferably tubular. Namely, the elastic retainer ring has certain length, and can effectively increase the frictional force between the elastic retainer ring and the insertion pipe, so that the elastic retainer ring is more difficult to move along the insertion pipe under the pressure of the anus, and a good plugging effect can be achieved.

In order to solve the problem that the elastic check ring is automatically locked under the extrusion action of the anus, the end surface of the elastic check ring, which is close to one end of the opening, is a conical surface. One end of the elastic check ring is constructed into a conical structure, so that in the actual use process, the conical surface can be matched with an anus, in the mutual extrusion process of the conical surface and the anus, the extrusion force born by the conical surface has component force distributed along the radial direction of the elastic check ring, the component force can further compress the elastic check ring on the insertion pipe, the purpose of automatically locking the elastic check ring is achieved, and the position of the elastic check ring can be effectively prevented from being changed in the liquid medicine injection process.

In order to solve the problem of being convenient for to hold and operate, furthermore, the lateral surface of circlip is provided with the lug that is used for holding.

Preferably, the lug is a plastic sheet, and/or one end of the lug is embedded in the elastic collar.

Preferably, the lug comprises an embedded piece embedded in the elastic check ring and a holding piece extending out of the elastic check ring, the embedded piece is of an annular or cylindrical structure, and the holding piece is connected to the embedded piece.

Further, the outer diameter of the cannula gradually increases in a direction away from the cannula. The front end of intubate is little promptly, the rear end is big, on the one hand, can be more convenient, smooth insert patient's anus with the front end of intubate, on the other hand, be more convenient for cooperate with circlip, more in order to do benefit to and prevent that circlip from removing to the rear end of intubate under anal squeezing action.

In order to reduce the cost, the cannula is preferably a plastic tube. Namely, the intubation tube is made of plastic, so that the cost can be effectively reduced, and the intubation tube is more favorable for being used as a disposable consumable.

In order to facilitate the examination of the injection condition of the liquid medicine, the cannula is further a transparent plastic tube. In practical use, a user can conveniently and clearly check the injection condition of the liquid medicine in the cannula.

To facilitate viewing of the insertion depth, preferably the side wall of the cannula is provided with graduation marks. So as to control and observe the insertion depth of the cannula by using a graduated line.

In order to solve the insertion process of current intubate, there is the acute angle at the front end of intubate usually, leads to intubate insertion process to have obvious puckery, painful problem, and is further, the front end of intubate is constructed there is the button head, the opening construct in the button head. The round head is constructed at the front end of the intubation tube, so that a sharp opening can be effectively eliminated, and the guiding effect can be achieved, so that the intubation tube can be smoothly inserted into the anus of a patient, and the problem of pain in the intubation process is effectively solved.

In order to store liquid medicine, the medical liquid medicine storage device further comprises an elastic balloon for storing the liquid medicine, and the rear end of the insertion tube is fixed to the elastic balloon and communicated with the elastic balloon. Namely, the plug opening device has the function of storing liquid medicine, and is beneficial to more convenient use of the plug opening device.

In order to facilitate connection of a syringe or an existing enema, the rear end of the cannula is further provided with a port, the port is communicated with the opening, and the port is used for connecting the syringe or the enema. The device can be used in combination with the existing syringe or enema, so that a user can inject liquid medicine into the anus of a patient through the cannula of the device by using the existing syringe or enema, and the universality is improved.

For the realization intercommunication that makes the nipple of interface and syringe or the extension tube of glycerine enema can be stable under the prerequisite of considering the cost, it is further, be provided with the rubber connecting ring in the interface.

In order to adapt to syringes or enema of different specifications, the interface can preferably adopt a horn mouth.

Compared with the prior art, use the utility model provides a pair of plug opener device, simple structure is compact, with low costs, convenient to use, can effectively prevent the problem of weeping in the in-service use, and clinical use is effectual.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a partial schematic structural view of an opening and closing device provided in embodiment 1 of the present invention.

Fig. 2 is a second partial schematic structural diagram of an opening and closing device provided in embodiment 1 of the present invention.

Fig. 3 is a top view of an opening device provided in embodiment 1 of the present invention.

Fig. 4 is a partial schematic view of another plugging device provided in embodiment 2 of the present invention.

Fig. 5 is a partial structural schematic view of another plug opener device provided in embodiment 2 of the present invention.

Fig. 6 is a top view of the plugging device provided in fig. 5.

Figure 7 is a schematic view of the insertion of the obturator device provided in figure 5 into the anus of a patient.

Fig. 8 is a partial structural schematic view of an opening and closing device provided in embodiment 3 of the present invention.

Fig. 9 is a sectional view of a circlip in the opening device according to embodiment 3 of the present invention.

Fig. 10 is a top view of an opening device provided in embodiment 4 of the present invention.

Fig. 11 is a partial cross-sectional view of fig. 10.

Fig. 12 is a schematic view of an opening device provided in embodiment 4 of the present invention in cooperation with an enema.

Fig. 13 is a schematic view of the device for opening and closing the stopper of the present invention provided in example 4 of the present invention when used with a syringe.

Description of the drawings

Cannula 100, round head 101, opening 102, interface 103 and rubber connecting ring 104

Scale line 200

A circlip 300, a central hole 301, a tapered surface 302, a tab 303, a gripping tab 304, an insert tab 305

Elastic balloon 400

Syringe 500

Enema 600

The anus 700.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

In the present embodiment, an opening device is provided, which comprises a cannula 100 for insertion into the anus of a patient, the front end of the cannula 100 is configured with an opening 102, as shown in fig. 1-3, in the present embodiment, the cannula 100 can be made of plastic tube, and in the preferred embodiment, the cannula 100 can be made of transparent plastic tube to facilitate the observation of the injection of the medical fluid.

As shown in fig. 1-3, the sidewall of the cannula 100 is provided with graduations 200 such that a user may control and view the insertion depth of the cannula 100 using the graduations 200.

As an example, the outer diameter of the cannula 100 is kept constant from the front end to the rear end of the cannula 100, i.e., the cannula 100 may be a constant diameter tube for molding and for cost reduction; in the present embodiment, the outer diameter of the cannula 100 gradually increases along the direction from the front end to the rear end of the cannula 100 (i.e. along the direction away from the cannula 100), as shown in fig. 4, that is, the front end of the cannula 100 is small and the rear end is large, and the cannula 100 is a reducer tube, so that the front end of the cannula 100 can be inserted into the anus 700 of the patient more conveniently and smoothly.

In a more perfect scheme, the front end of the intubation tube 100 is provided with the round head 101, and the round head 101 is arranged at the front end of the intubation tube 100, so that a sharp opening can be effectively eliminated, and a guiding effect can be achieved, so that the intubation tube 100 can be smoothly inserted into the anus 700 of a patient, and the pain problem in the intubation tube 100 process is effectively solved; in this case, the opening 102 is configured on the round head 101, and it is understood that the opening 102 may be configured on the front side of the round head 101, that is, the opening 102 may be coaxial with the cannula 100, or on the side of the round head 101, as shown in fig. 1-3, in this embodiment, the opening 102 is configured on both the front side and the side of the round head 101.

The device further comprises a circlip 300, as shown in fig. 1-3, the circlip 300 is configured with a central hole 301, and the diameter of the central hole 301 is smaller than the outer diameter of the insertion tube 100 (when the insertion tube 100 is a reducer tube, the outer diameter refers to the smallest outer diameter of the insertion tube 100), the circlip 300 is sleeved on the insertion tube 100, as shown in fig. 1-3, by configuring the diameter of the central hole 301 to be smaller than the outer diameter of the insertion tube 100, so that when the circlip 300 is sleeved on the insertion tube 100, the circlip 300 is in a elastically deformed state and can compress the insertion tube 100, on one hand, a certain friction force is provided between the circlip 300 and the insertion tube 100, and under the pressure along the length direction of the insertion tube 100, the circlip 300 can stably stay at the sleeved position, that is, the circlip 300 cannot move relative to the insertion tube 100 under the certain pressure, therefore, the aim of effectively blocking the anus can be achieved, the liquid medicine is prevented from flowing out through the gap between the side wall of the anus and the insertion tube 100 under the action of internal pressure, the aim of maintaining pressure is achieved, and the liquid medicine is favorably diffused and flows into the anus under the action of the internal pressure; on the other hand, the user can move the circlip 300 along the length direction of the cannula 100, so that in the actual use process, the user can move the circlip 300 to the required position according to the actual requirement, so as to meet the requirements of different patients, and the purpose of marking and controlling the insertion depth can be achieved by setting the position of the circlip 300 in advance.

In this embodiment, the elastic collar 300 may preferably be a rubber collar, that is, the elastic collar 300 may be made of a rubber material, which is not only low in cost and convenient for production and manufacturing, but also has elasticity, so as to meet the functional requirements of the elastic collar 300 in the plugging device.

In order to increase the friction force between the circlip 300 and the cannula 100, the length of the circlip 300 may be increased, so that the circlip 300 is tubular, as shown in fig. 1-3, that is, the circlip 300 has a certain length, which may effectively increase the friction force between the circlip 300 and the cannula 100, so that the circlip 300 may not move along the cannula 100 under the pressure of the anus, thereby achieving a good occlusion effect.

In order to store liquid medicine, in a more perfect scheme, the medical opener further comprises an elastic balloon 400 for storing liquid medicine, the elastic balloon 400 can be made of rubber preferentially, as shown in fig. 3, the rear end of the insertion tube 100 is fixed to the elastic balloon 400 and is communicated with the elastic balloon 400, for example, the insertion tube 100 and the elastic balloon 400 can be of an integral structure, so that the medical opener has a function of storing liquid medicine, and the medical opener is more convenient to use.

The use principle of the plug opening device is as follows: firstly, manually sleeving the elastic collar 300 on the insertion tube 100 according to the condition of a patient, and enabling the distance between the elastic collar 300 and the front end of the insertion tube 100 to be equal to the required insertion depth; then the liquid medicine is sucked into the elastic balloon 400, and the part of the intubation tube 100 between the elastic retainer ring 300 and the front end of the intubation tube 100 is lubricated; the forward end of the cannula 100 is then inserted from the patient's anus until the circlip 300 abuts the patient's anus 700; then, the elastic balloon 400 is squeezed to increase the internal pressure of the elastic balloon 400, so that the liquid medicine in the elastic balloon 400 is injected into the anus 700 of the patient through the insertion tube 100 under the action of the internal pressure, as shown in fig. 7, and in the process, a thrust force facing the anus is applied to the insertion tube 100, so that the elastic collar 300 is pressed on the anus 700 (the position of the elastic collar 300 cannot be changed, mainly because 1, a large friction force exists between the elastic collar 300 and the insertion tube 100, 2, the insertion tube 100 is a reducer, the acting force required by the elastic collar 300 to move towards the rear end of the insertion tube 100 can be further increased, and when the squeezing force between the anus and the elastic collar 300 is lower than the acting force, the elastic collar 300 cannot move), so as to achieve the effect of blocking; after the medicine injection is finished, the user presses the elastic check ring 300 with one hand, so that the elastic check ring 300 keeps the state of compressing the liver, the intubation tube 100 is gradually pulled out with the other hand until the intubation tube is separated from the elastic check ring 300, and finally the elastic check ring 300 is taken down, and in the process, the anus 700 is always in the plugging state of the elastic check ring 300, so that liquid leakage can be effectively prevented.

Example 2

In order to solve the problem that the elastic collar 300 is automatically locked by the squeezing action of the anus, the main difference between the present embodiment 2 and the above embodiment 1 is that in the present opening device, the end surface of the elastic collar 300 near one end of the opening 102 is a tapered surface 302, as shown in fig. 5-7, one end of the elastic collar 300 is configured as a tapered structure, so that the tapered surface 302 can be matched with the anus 700 during the actual use, and during the mutual squeezing process, the squeezing force borne by the tapered surface 302 has a component force distributed along the radial direction of the elastic collar 300, as shown by the dotted line with the arrow in fig. 7, the component force can further press the elastic collar 300 against the insertion tube 100, thereby achieving the purpose of automatically locking the elastic collar 300, and effectively preventing the elastic collar 300 from moving towards the rear end of the insertion tube 100 during the injection of the liquid medicine.

Example 3

In order to solve the problem of easy holding and operation, the main difference between this embodiment 3 and the above embodiment 1 or 2 is that in the present corking device, the side of the circlip 300 is provided with a tab 303 for holding, as shown in fig. 8; through setting up auricle 303, the user of being convenient for holds, when needs follow the anus and extract the intubate 100, the user can hold on one hand auricle 303 to make circlip 300 keep compressing tightly the state of anus, another hand holds the intubate 100, and applys outside pulling force, makes intubate 100 for circlip 300 outwards removes, not only can extract the intubate 100 smoothly, can be at the in-process of extubation, makes circlip 300 keep compressing tightly the state of anus 700, can effectively prevent that intubate 100 from taking out the liquid medicine from the anus.

In this embodiment, the tab 303 may preferably be a plastic sheet, which is beneficial to reducing the cost; in addition, in order to stably mount the tab 303 on the elastic collar 300, one end of the tab 303 is embedded in the elastic collar 300, as shown in fig. 8 and 9, a portion embedded in the elastic collar 300 may preferably adopt a sheet-shaped structure, as an example, as shown in fig. 9, the tab 303 includes an embedded piece 305 embedded in the elastic collar 300 and a holding piece 304 extending out of the elastic collar 300, and the embedded piece 305 is in an annular or cylindrical structure, as shown in fig. 9; the grip tab 304 is connected to the insert tab 305, and the grip tab 304 may preferably be a circular or oval tab.

Example 4

In order to facilitate the connection of the syringe 500 or the existing enema 600 so that the present device can be used with the existing syringe 500 or the existing enema 600, the main difference between this embodiment 4 and the above-mentioned embodiment 1, embodiment 2 or embodiment 3 is that in the present device, the rear end of the cannula 100 is configured with the interface 103, as shown in fig. 10 and fig. 11, the interface 103 is communicated with the opening 102, and the interface 103 is used for connecting the syringe 500 or the enema 600 so that the present device can be used with the existing syringe 500 or enema 600 so that the user can use the existing syringe 500 or enema 600 to inject the liquid medicine into the anus 700 of the patient through the cannula 100 of the present device, which is beneficial to improve the versatility.

In order to stably communicate the connector 103 with the nipple of the syringe 500 or the extension tube of the enema 600 on the premise of considering the cost, in a more complete scheme, a rubber connecting ring 104 is arranged in the connector 103, as shown in fig. 10 and 11, the rubber connecting ring 104 has a certain thickness and elasticity, so that after the nipple of the syringe 500 or the extension tube of the enema 600 is inserted into the connector 103, the rubber connecting ring 104 can be compressed, and the purpose of tightly connecting the nipple of the syringe 500 or the extension tube of the enema 600 can be achieved by elastic deformation of the rubber connecting ring 104, as shown in fig. 12 and 13, the problem of loosening in the using process can be prevented, and the problem of liquid leakage can be avoided.

The port 103 may be a bore of constant diameter, as shown in fig. 11-13, and the port 103 may preferably be flared to accommodate syringes 500 or tamponades 600 of different sizes.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. An opening device, comprising an insertion tube for insertion into the anus of a patient, the front end of the insertion tube being configured with an opening, characterized in that it further comprises a circlip, said circlip being configured with a central hole, and the diameter of said central hole being smaller than the outer diameter of said insertion tube, said circlip being arranged around said insertion tube.

2. The device according to claim 1, wherein the circlip is a rubber circlip.

3. The device according to claim 1, wherein said circlip is tubular.

4. The device according to claim 1, wherein the end surface of the resilient collar adjacent to the one end of the opening is tapered.

5. The device according to claim 1, wherein the resilient collar is provided with gripping tabs on its sides.

6. The opening device according to claim 5, wherein the tab is a plastic sheet and/or one end of the tab is embedded in the circlip.

7. The device according to any of claims 1-6, wherein the cannula has an increasing outer diameter in a direction away from the cannula;

and/or the cannula is a transparent plastic tube;

and/or the side wall of the cannula is provided with scale marks;

and/or the front end of the cannula is configured with a round head, and the opening is configured on the round head.

8. The device according to any of claims 1-6, further comprising an elastic balloon for storing the medical fluid, wherein the cannula is secured at a rear end thereof to the elastic balloon and is in communication therewith.

9. The device according to any of claims 1-6, wherein the cannula is configured with a hub at its rear end, said hub communicating with said opening, the hub being adapted for connection to a syringe or an enema.

10. The device according to claim 9, wherein a rubber attachment ring is disposed within the interface.

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