CN210749307U

CN210749307U - Digestive endoscopy biopsy cap

Info

Publication number: CN210749307U
Application number: CN201920812899.5U
Authority: CN
Inventors: 胡刚峰; 徐星岗; 陈兴鹏; 王乐康
Original assignee: Suzhou Beiyong Medical Technology Co ltd
Current assignee: Suzhou Beiyong Medical Technology Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-06-16
Anticipated expiration: 2029-05-31

Abstract

The utility model relates to a digestive endoscopy biopsy cap, which comprises a liquid storage bag, wherein two sides of the liquid storage bag are provided with opposite through holes, a cap body is arranged between the through holes, biopsy channels corresponding to the through holes at two sides and a drainage channel communicated with the biopsy channels are arranged in the cap body, the cap body is also clamped with a blocking component outside the liquid storage bag, the blocking component is inserted into the cap body to block the biopsy channels and the drainage channel, the utility model introduces the concept of 'blocking is not as good as sparse and not as good as drainage', the digestive canal cavity liquid overflowing by backflow spray is separated by an elastic ring in the biopsy taking process, the collection is guided, the instrument environment is not polluted any more, the operation is influenced, the interference of the biopsy cap on the biopsy instrument is reduced, the operation flexibility of the biopsy instrument is ensured, the whole assembly and disassembly are convenient, and because the waste liquid is mainly collected and treated by the liquid storage bag, other components can be reused by disinfection, is economical and practical.

Description

Digestive endoscopy biopsy cap

Technical Field

The utility model relates to a digestion scope biopsy cap belongs to medical instrument technical field.

Background

The biopsy cap is used for a biopsy opening of an endoscope and plays a role in sealing. When a biopsy procedure is not performed, it is typically closed to maintain the pressure within the digestive lumen. When taking the biopsy, the biopsy instrument is operated through the biopsy cap, the sealing effect of the biopsy cap is weakened due to the intervention of the instrument, and the air and the liquid in the digestive lumen are easily sprayed out along the instrument due to the action of air pressure, so that the instrument and the environment are not disturbed, and the operation of a doctor is influenced.

The conventional biopsy caps on the market can hardly prevent backflow and overflow of gas and liquid in a digestive cavity in a hundred percent during biopsy taking. In the operation process of doctors, the reflux and spraying problem of digestive cavity liquid is not rare. In order to solve the problem, the structure of some biopsy caps is improved, the Chinese utility model with the patent application number of 201811052159.2 discloses a gastroscope biopsy cap, through two-stage retainer ring and barrel structure, the laminating of biopsy instrument is enhanced, a series of structures are only arranged for enhancing the sealing of an elastic ring, the biopsy process is taken, the action range of endoscope operation and biopsy instrument is large, most biopsy instruments are spring tubes, surface gaps are multiple, the sealing force is enhanced, the biopsy operation is flexibly taken, and the blowout prevention effect is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problems, the digestive endoscope biopsy cap which is sealed and has dredging drainage is provided.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a digestion scope biopsy cap, includes the liquid reserve bag, relative through-hole has been seted up on the both sides of liquid reserve bag, be provided with the cap body between the through-hole, the internal biopsy passageway that corresponds with both sides through-hole of cap with the drainage channel of biopsy passageway intercommunication, the cap body still joint has the fender subassembly in the liquid reserve bag outside, the fender subassembly inserts the internal jam of cap biopsy passageway and drainage channel.

Preferably, the drainage channel is a through hole arranged at the side of the cap body, and a plurality of drainage channels are arranged along the side of the cap body.

Preferably, the biopsy channel comprises an installation cavity and a drainage cavity, the installation cavity is used for clamping and fixing the biopsy opening, an elastic spacer ring is arranged at the joint of the drainage cavity and the installation cavity, and the elastic spacer ring is connected with a sealing core of the blocking component in a sealing and clamping manner.

Preferably, the blocking assembly comprises a blocking cover clamped on the cap body, an instrument hole is formed in the blocking cover corresponding to the biopsy channel, and an elastic flow blocking ring is arranged at one end of the biopsy channel of the instrument hole.

Preferably, the cover also captures a sealing core by a flexible band, the sealing core being inserted into the biopsy channel through the instrument hole to seal the biopsy channel.

Preferably, the sealing core includes the sealed step of head end, the middle part block the step and the circular gasket of afterbody, sealed step contradicts realize sealed on the elastic spacer ring in the biopsy passageway, block in the step is arranged in the mounting hole of card income flexible band, the circular gasket is used for sealing the instrument hole on the block cover.

Preferably, an annular groove is formed in the clamping position of the cap body and the blocking cover, and an inner groove formed in the blocking cover is clamped and fixed in the annular groove.

Preferably, the liquid storage bag is a hard bag body or a soft bag body, and the through hole is a circular hole.

Preferably, the cap body is an elastic cap body, and the blocking component is an elastic piece.

The utility model has the advantages that: the utility model discloses introduce "stifled not as sparse, dredge not as leading" the theory, will get the biopsy in-process, see through the elasticity ring and separate the excessive alimentary canal chamber liquid of backward flow blowout, guide the collection in addition, make it no longer pollute the apparatus environment, influence the operation.

And the cap body and the subassembly that blocks adopt softer elastic material, its simple structure all adopts the joint mode to fix, and convenient equipment or dismantlement change are easily realized, and increase the drainage and collect the structure, make prevent that refluence spouts excessive no longer one taste shutoff, have reduced the interference of biopsy cap to biopsy instrument, reduce the pollution to operation environment and surgical equipment, have guaranteed the flexibility of biopsy instrument operation, and its stock solution bag is removable, makes the palirrhea liquid convenient processing of collection, economical and practical.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of the cap of the present invention;

fig. 3 is a cross-sectional view of the closure cap of the present invention;

fig. 4 is a front view of the seal core of the present invention;

fig. 5 is a cross-sectional view of an embodiment of the present invention.

The labels in the figure are: the medical instrument comprises a liquid storage bag 1, a cap body 2, a sealing cover 3, a sealing core 4, a through hole 5, an installation cavity 6, an annular groove 7, a drainage channel 8, a drainage cavity 9, an elastic spacer ring 10, an instrument hole 11, an elastic flow blocking ring 12, an inner groove 13, a flexible belt 14, an installation hole 15, a sealing step 16, a round cushion 17, a blocking step 18 and a biopsy opening 19.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Example 1

The utility model relates to a digestive endoscope biopsy cap as shown in figure 1, which comprises a liquid storage bag 1, two opposite through holes 5 are arranged on two sides of the liquid storage bag 1, a cap body 2 is arranged between the through holes 5, the cap body 2 is arranged in the liquid storage bag 1 and is positioned between the two through holes 5, a biopsy channel corresponding to the through holes 5 on two sides and a drainage channel 8 communicated with the biopsy channel are arranged in the cap body 2, as shown in figure 2, the cap body 2 is also clamped with a blocking component outside the liquid storage bag 1, the blocking component is inserted into the cap body 2 to block the biopsy channel and the drainage channel 8, the position of the blocking component for sealing the biopsy channel is closer to a biopsy port 19 than the drainage channel 8, therefore, after sealing, liquid can not enter the biopsy channel and can not enter the subsequent drainage channel 8, the blocking component can be a conical sealing piece, or an umbrella-shaped sealing element or a columnar sealing element which has the same shape as the biopsy channel but a slightly larger diameter, when in biopsy, as shown in fig. 5, the biopsy device passes through the biopsy channel and enters the biopsy port 19 for operation, and the reflux liquid flows into the drainage channel 8 through the biopsy channel during operation and is discharged into the liquid storage bag 1, so that the condition that the reflux liquid is splashed out due to the adoption of a single-taste blocking in the prior art is avoided.

The utility model discloses introduce "stifled not as dredging, dredge not as leading" the theory, will get the biopsy in-process, see through the excessive alimentary canal chamber liquid of the backward flow of elasticity spacer ring 10, guide in addition and collect in going into the stock solution bag 1 to make it no longer pollute the apparatus environment and influence the operation to follow-up waste liquid treatment is also more convenient.

And the cap body 2 and the blocking assembly adopt softer elastic material, and its simple structure all adopts the joint mode to fix, and convenient equipment or dismantlement change are easily realized, and increase the drainage and collect the structure, make prevent that refluence spouts excessive no longer one taste shutoff, have reduced the interference of biopsy cap to biopsy instrument, reduce the pollution to operation environment and surgical equipment, have guaranteed the flexibility of biopsy instrument operation, and its stock solution bag 1 is removable, makes the palirrhea liquid of collection conveniently handle, economical and practical.

In a preferred embodiment, as shown in fig. 2, the drainage channels 8 are through holes formed in the side of the cap body 2, and a plurality of drainage channels are formed along the side of the cap body 2, wherein the number of the drainage channels can be adjusted according to the condition of the sprayed liquid, and the drainage channels 8 are preferably 4 and uniformly distributed on the side of the cap body 2.

In a preferred embodiment, as shown in fig. 2, the biopsy channel comprises a mounting cavity 6 and a drainage cavity 9, the mounting cavity 6 is used for clamping and fixing a biopsy opening 19, the cap body 2 and the reservoir bag 1 are fixed at the biopsy opening 19 together after clamping and fixing, an elastic spacer ring 10 is arranged at the joint of the drainage cavity 9 and the mounting cavity 6, the elastic spacer ring 10 can prevent a large amount of liquid spray from being sprayed out, and the second elastic spacer ring 10 is in sealing and clamping connection with the sealing core 4 of the blocking assembly and is used for sealing when the biopsy is not performed.

In a preferred embodiment, the blocking assembly includes a blocking cover 3 fastened to the cap body 2, as shown in fig. 3, an instrument hole 11 is formed in the blocking cover 3 corresponding to the biopsy channel, an elastic flow blocking ring 12 is disposed at one end of the biopsy channel of the instrument hole 11, the blocking cover 3 is also fastened to the cap body 2, and one side of the liquid storage bag 1 is fastened in the middle to fix the cap body 2 and the liquid storage bag 1.

In a preferred embodiment, the blocking cover 3 is further clamped with a sealing core 4 through a flexible belt 14, the sealing core 4 is inserted into the biopsy channel through the instrument hole 11 to seal the biopsy channel, and the sealing core 4 is mainly used for sealing the biopsy channel when the biopsy is not performed.

In a preferred embodiment, as shown in fig. 4, the sealing core 4 comprises a sealing step 16 at the head end, a blocking step 18 at the middle part and a round pad 17 at the tail part, the sealing step 16 abuts against the elastic spacer ring 10 in the biopsy channel to realize sealing, the blocking step 18 is used for being clamped into the mounting hole 15 of the flexible belt 14, the flexible belt 14 is clamped between the blocking step 18 and the round pad 17, the diameter of the blocking step 18 can be slightly larger than that of the mounting hole 15, so that the sealing core 4 can be pulled out from the flexible belt 14 by slight pulling force to realize mounting and dismounting of the sealing core and the flexible belt, and the round pad 17 is used for sealing the instrument hole 11 on the blocking cover 3.

In a preferred embodiment, an annular groove 7 is arranged at a clamping position of the cap body 2 and the blocking cover 3, and an inner groove 13 arranged on the blocking cover 3 is clamped in the annular groove 7, because the cap body 2 and the blocking cover 3 are both made of elastic materials, the clamping mode is more suitable, but the mode of adopting thread fixing or other detachable clamping modes falls into the protection scope of the patent.

In a preferred embodiment, from the viewpoint of ensuring stability, the reservoir 1 may be a rigid bag body, such as rigid plastic conforming to medical standards, and from the viewpoint of volume and cost of the reservoir 1, the reservoir 1 may be made of flexible plastic, so that the reservoir has elasticity, can contain a larger volume of liquid, is low in cost, is disposable, and can be replaced with other reservoirs. The through holes 5 are round holes, and square holes or elliptical holes are not excluded.

In a preferred embodiment, the cap body 2 is an elastic cap body 2, the blocking component is an elastic member, and the elastic material enables the cap body 2 and the blocking component to be clamped easily.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a digestion scope biopsy cap, its characterized in that, includes the liquid storage bag, relative through-hole has been seted up on the both sides of liquid storage bag, be provided with the cap body between the through-hole, the internal biopsy passageway that corresponds with both sides through-hole of being provided with of cap with the drainage channel of biopsy passageway intercommunication, the cap body still joint has the fender subassembly in the liquid storage bag outside, the fender subassembly inserts the internal jam of cap biopsy passageway and drainage channel.

2. The endodigestive biopsy cap of claim 1, wherein the drainage channel is a through hole disposed at a side of the cap body, and a plurality of drainage channels are disposed along the side of the cap body.

3. The endodigestion biopsy cap of claim 1, wherein the biopsy channel comprises an installation cavity and a drainage cavity, the installation cavity is used for clamping a biopsy opening, an elastic spacer ring is arranged at the joint of the drainage cavity and the installation cavity, and the elastic spacer ring is in sealing and clamping connection with the sealing core of the blocking assembly.

4. The endodigestion biopsy cap of claim 3, wherein the blocking assembly comprises a blocking cover clamped on the cap body, the blocking cover is provided with an instrument hole corresponding to the biopsy channel, and the instrument hole is provided with an elastic flow blocking ring at one end of the biopsy channel.

5. The endodigestive biopsy cap of claim 4, wherein the cover further comprises a flexible band to capture a sealing core, the sealing core being inserted into the biopsy channel through the instrument hole to seal the biopsy channel.

6. The endodigestion biopsy cap of claim 5, wherein the sealing core comprises a sealing step at a head end, a blocking step at a middle part, and a circular pad at a tail part, the sealing step abuts against an elastic spacer ring in the biopsy channel to realize sealing, the blocking step is used for being clamped into a mounting hole of a flexible belt, and the circular pad is used for sealing an instrument hole on the blocking cover.

7. The endoscope biopsy cap of claim 6, wherein the cap body is provided with an annular groove at the joint with the blocking cover, and an inner groove of the blocking cover is clamped in the annular groove.

8. The endoscope biopsy cap of claim 1, wherein the reservoir bag is a rigid bag or a flexible bag, and the through hole is a circular hole.

9. The endodigestive biopsy cap of claim 1, wherein the cap is a resilient cap and the blocking assembly is a resilient member.