CN218552298U - Endoscope water storage buffer - Google Patents

Abstract

The utility model discloses an endoscope water storage buffer, set up the water storage main part in the endoscope cavity, the rack, the sealing washer forms a water storage buffering space, the water of flushing pipe is flowed in by buffering space, tiny restriction to water inlet connection structure of having avoided the flushing pipe, the water inlet of water storage main part communicates this water storage buffering space, therefore the water inlet size is controllable, thereby the optional thick pipe of inlet tube that bonds with the water inlet, make the two big of connection position area grow, it is more firm to connect, be difficult for leading to the water pipe to drop because of the water pump pressurization.

Description

Endoscope water storage buffer

Technical Field

The utility model relates to an endoscope field especially relates to an endoscope water storage buffer.

Background

Endoscopes are optical instruments that expand the surgical field, have been rapidly developed in recent years, and play an extremely important role in clinical diagnosis and treatment.

In the endoscope that uses in fields such as breathing, digestion, abdominal cavity, because the body fluid is more and thick, cause the endoscope front end module of making a video recording fuzzy easily, influence clinician's diagnosis, consequently need increase the pipeline that washes and wash.

The existing mainstream solution has two kinds, namely, a flushing hole is additionally arranged near the front-end camera module, a small water pipe is independently connected to the water pump, and the flushing is carried out by virtue of a working channel.

However, the above scheme has many problems in practical use. The endoscope insertion end is limited by the size of a natural cavity of a human body, the total outer diameter of the insertion end of the endoscope needs to be restricted within a certain value, so that a flushing pipe which can be accommodated by the insertion end is very small, the connecting surface of the flushing pipe and a water inlet pipe is very small, the flushing pipe and the water inlet pipe are generally connected in a bonding mode, the bonding force is limited, air holes can be generated due to the flowing of glue during bonding, the bonding force is influenced, when the pressure of a water pump needs to be increased to increase the flushing flow, the bonding part of the water pipe is easy to crack and fall off due to overlarge pressure, and the function is invalid. When biopsy forceps or other instruments occupy the channel, the flushing amount is small, so that body fluid on the lens cannot be thoroughly flushed, and judgment of a clinician is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem that above-mentioned prior art exists, the utility model provides an endoscope water storage buffer, it improves original water inlet structure on the basis of not borrowing working channel for the problem that the water pipe drops can not appear when water inlet structure bears bigger water pump pressure, promotes washing efficiency greatly.

Therefore, the utility model provides a following technical scheme: the utility model provides an endoscope water storage buffer, includes the water storage main part and sets up rack, sealing washer, the multicavity pipe in the water storage main part, has seted up the inlet opening in the water storage main part, and the basin that leaks with the inlet opening intercommunication is seted up to the rack, and the sealing washer sets up in the both ends of rack, and rack and sealing washer cover are established on the multicavity pipe, and the rack has certain clearance with the outer wall of multicavity pipe, and trompil intercommunication basin on the multicavity pipe and the flushing pipe in the multicavity pipe.

Preferably, there are 2 irrigation tubes to increase the irrigation volume. Since increasing the number of irrigation tubes increases the diameter of the multilumen tubing, 2 irrigation tubes are preferred, both ensuring a certain amount of irrigation and better controlling the diameter of the multilumen tubing.

Preferably, the number of the water leakage grooves is 2, so that the water storage volume is increased, and the buffering is better. Because the rack need extrude the sealing washer in order to form sealedly, have certain requirement to the rigidity of rack, so the water leakage groove of rack is 2 and can guarantee to have better rigidity exert better buffer function simultaneously.

Preferably, the water leakage grooves and the openings are arranged in a staggered mode, so that water enters the flushing pipe through the gap between the net rack and the multi-cavity pipe, a good buffering effect can be achieved, and the water speed and the water pressure are controlled.

Preferably, one end of the water storage main body is provided with a sealing plug, and the structure can be simply sealed.

The technical scheme of the utility model has following outstanding advantage:

1. the water storage main body, the net rack, the sealing ring and the multi-cavity pipe form a water storage buffering space together, water enters the flushing pipe from the water storage buffering space, the flushing pipe does not need to be connected with other pipelines, the limitation of the flushing pipe to a water inlet connecting structure is avoided, and no falling point exists.

2. The water pump passes through the water inlet that inlet tube and water storage main part link to each other, need not to consider the size of flushing pipe, and the water inlet size is variable, and corresponding inlet tube thickness is optional, consequently, the connecting portion of inlet tube and water inlet easily bonds, and intensity is controllable, greatly reduces the water pipe risk of droing.

3. The water storage buffer space has a buffer effect on water inflow, so that impact of excessive water pressure on the connecting structure is avoided, and the risk of falling off of the water pipe is further reduced.

4. The matched seal of the net rack and the sealing ring has better sealing performance compared with the seal in a bonding mode, and meets the sealing requirements of national standards on endoscopes.

5. Under the condition that a plurality of flushing pipes are arranged, the water storage buffer space can ensure that the water pressure of each flushing pipe is stable and the flushing flow rate is consistent.

Drawings

The technical solution and other advantages of the present invention will become apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of an endoscope water storage buffer device according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the rack provided by the embodiment of the present invention.

Fig. 3 is a schematic view of a multi-lumen tube according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of the other side of the water storage and buffering device of the endoscope according to the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a sealing plug according to an embodiment of the present invention.

Wherein, 1 is a water storage main body; 2 is a net rack; 3 is a multi-cavity tube; 4 is a sealing ring; 5 is a sealing plug; 6 is a water leakage groove; 7 is a flushing pipe; 8 is a water inlet; 9 is an opening; 10 is a water inlet pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the endoscope water storage and buffer device of the present embodiment includes a water storage main body 1, a net frame 2, a multi-lumen tube 3, and a gasket 4. The water storage main body 1 is a part of the endoscope cavity, and is integrally hollow cylindrical with an opening at the upper end. The net rack 2 and the sealing ring 4 are arranged inside the water storage main body 1, the multi-cavity pipe 3 is integrally formed and provided with a plurality of channels including the flushing pipe 7, and the multi-cavity pipe 3 integrally penetrates through the water storage main body 1. In this embodiment, the sealing plug 5 is fixed at the upper end of the water storage body 1 through a buckle, so as to seal the opening of the water storage body 1.

The both ends of rack 2 are provided with 2 sealing washers 4 respectively, and rack 2, sealing washer 4 all overlap and establish on multicavity pipe 3, and have certain clearance between the inner wall of rack 2 and the outer wall of multicavity pipe 3. Two symmetrical water leaking grooves 6 are formed in the wall of the net rack 2, the water leaking groove on the right side is communicated with a water inlet hole 8 of the water storage main body 1, and water flowing into the water inlet hole passes through the water leaking groove on the right side and then reaches the water leaking groove on the left side along the gap.

As shown in fig. 2, the net frame 2 of the present embodiment is a hollow cylinder (which may be in a suitable shape such as a circle or an ellipse) with two open ends, and two symmetrical rectangular water leaking grooves 6 are formed in the wall of the cylinder.

As shown in fig. 3 and 4, two openings 9 are provided in the wall of the multi-lumen tube 3 and communicate with the two irrigation tubes 7, respectively.

As shown in fig. 1 and 4, the openings 9 are offset from the gutters 6 so that the water pressure entering the flush pipe 7 can be better balanced.

As shown in fig. 5, the center of the sealing plug 5 is provided with a hollow cylinder, referring to fig. 1, the multi-cavity tube 3 penetrates through the center of the hollow cylinder, when the sealing plug 5 is connected to the upper end of the water storage main body 1 in a clamping manner, the bottom surface of the hollow cylinder extrudes the sealing ring 4, and due to the existence of the net frame 2, the sealing rings 4 at the two ends of the net frame 2 are compressed and deformed to form sealing, so that a water storage buffer space is formed among the water storage main body 1, the net frame 2, the multi-cavity tube 3 and the sealing rings 4.

As shown in fig. 1, the water inlet hole 8 is connected to the water inlet pipe 10 by bonding, and a water pump (not shown) pumps water into the water inlet hole 8 through the water inlet pipe 10, so as to enter the water storage buffer space. Because inlet opening 8 and water storage buffer space intercommunication, the aperture of inlet opening 8 can confirm the size as required, and is corresponding, and the great thick pipe of sectional area can be selected to inlet tube 10, and the area of contact grow of inlet tube 10 and inlet opening 8 for the bonding of the two is more firm, can avoid the connection that pressure too big leads to drop after the water pump pressurization. In addition, when the water pump exerts great pressure and washes the operation, water storage buffer space can play the cushioning effect to balanced water pressure. After the water storage buffer space is filled with water, the water flows into the flushing pipes 7 from the open holes 9 under the action of pressure, so that the same flow speed and stable water pressure of the water in the two flushing pipes 7 are ensured.

Therefore, compared with the prior art, the technical scheme can bear larger water pump pressure, and the speed of the flushing water flow and the flushing efficiency are improved.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims (5)

1. The utility model provides an endoscope water storage buffer, its characterized in that, including the water storage main part with set up in rack, sealing washer, the multicavity pipe in the water storage main part, the inlet opening has been seted up in the water storage main part, the rack seted up with the water leakage groove of inlet opening intercommunication, the sealing washer set up in the both ends of rack, the rack with the sealing washer cover is established on the multicavity pipe, the rack with the outer wall of multicavity pipe has certain clearance, trompil intercommunication on the multicavity pipe the water leakage groove with flushing pipe in the multicavity pipe.

2. The endoscope water storage and buffering device of claim 1, wherein the number of the flushing pipes is 2.

3. The endoscope water storage and buffering device as claimed in claim 1, wherein the number of the water leakage grooves is 2.

4. The endoscope water storage and buffering device of claim 1, wherein the water leaking tank is arranged in a staggered manner with the opening.

5. The endoscope water storage buffer device as claimed in claim 1, wherein a sealing plug is provided at one end of the water storage main body.

Images