Biopsy cap of endoscope

Abstract

The utility model relates to the technical field of medical instruments, and discloses a biopsy cap of an endoscope, which comprises a base, a connecting piece, an upper cover and a diaphragm, the connecting piece is fixedly connected with the top of the base, the upper cover is in threaded connection with the connecting piece, the top of the upper cover is hermetically bonded with a sealing ring, and the diaphragm is connected with the sealing ring. A separation sleeve is integrally formed at the top of the sealing ring, and a first bevel groove and a second bevel groove are formed in an opening in the bottom and an opening in the top of the separation sleeve correspondingly. According to the utility model, the top of the upper cover is hermetically bonded with the separation sleeve through the buckling groove, so that the bottom end of the separation sleeve penetrates through a diaphragm gap and extends into the biopsy cap, so that biopsy forceps can extend into the biopsy cap from the inclined notch when penetrating through the diaphragm gap, and under the guidance of the first inclined notch and the second inclined notch, the diaphragm gap can be prevented from being expanded by the biopsy forceps; and the biopsy forceps can smoothly penetrate through the biopsy cap under the guide of the bevel groove, so that the endoscope is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a biopsy cap for an endoscope. Background Art

[0002] Endoscope is a commonly used device for diagnosing and treating gastrointestinal diseases. During the process of endoscopic diagnosis and treatment, a biopsy cap with good airtightness can ensure the gas pressure sealing during endoscopic examination, ensure an effective inspection field of view, prevent digestive fluid from splashing, and protect medical staff from contamination.

[0003] For example, the Chinese patent publication number is CN209966446U, which discloses an endoscopic biopsy cap with a replaceable diaphragm, comprising a biopsy cap body and a biopsy cap cover connected to the biopsy cap body, wherein the biopsy cap cover is provided with a detachable diaphragm; the utility model provides a split-type arrangement of the biopsy cap cover, so that when the diaphragm, which plays an important role in the sealing of the biopsy cap, is aged or damaged, only a new diaphragm needs to be replaced, thereby achieving a good use effect, greatly reducing costs, and avoiding waste and environmental pollution;

[0004] In the prior art, the biopsy cap is arranged in a split type, so that the biopsy cap can be easily disassembled and assembled to replace the diaphragm;

[0005] However, the diaphragm in the existing endoscope biopsy cap is sealed by the upper cover and the base, and the slit in the middle of the diaphragm is provided for the biopsy forceps to pass through. There is a lack of a guiding mechanism between the biopsy forceps and the slit. When the biopsy forceps are connected, the slit is easily stretched too much, resulting in damage to the diaphragm. The damage rate of the diaphragm is relatively high during use, which affects the normal use of the endoscope. Utility Model Content

[0006] The utility model aims to provide an endoscope biopsy cap, which can play a guiding role at the biopsy forceps and the diaphragm, and protect the rupture on the diaphragm and the passage of the biopsy forceps, thereby ensuring the normal use of the endoscope.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biopsy cap for an endoscope, comprising a base, a connecting piece, an upper cover, and a diaphragm, wherein the connecting piece is fixedly connected to the top of the base, the upper cover and the connecting piece are connected by threads, a sealing ring is sealed and bonded to the top of the upper cover, a separating sleeve is integrally formed on the top of the sealing ring, a diaphragm slit is opened on the top of the diaphragm, a first oblique groove and a second oblique groove are respectively provided at the bottom and the top opening of the separating sleeve, the bottom end of the separating sleeve penetrates to the bottom of the diaphragm slit, and the inner side walls of the first oblique groove and the second oblique groove are both made of smooth medical plastic material.

[0008] Preferably, the connecting piece is provided with threads on the outside, and the inner wall of the upper cover is installed on the connecting piece through the threads.

[0009] Preferably, the diaphragm is located on the top of the connecting member, and the diaphragm is located in the inner cavity of the upper cover.

[0010] Preferably, a buckle groove is provided on the top of the upper cover, and the outer edge of the sealing ring is bonded to the inner diameter of the buckle groove.

[0011] Preferably, the first beveled groove and the second beveled groove are trumpet-shaped structures.

[0012] Preferably, the outer wall of the separation sleeve fits tightly with the inner diameter of the diaphragm rupture.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The top of the upper cover of the utility model is sealed and bonded with the separation sleeve in the buckle groove, so that the bottom end of the separation sleeve passes through the diaphragm tear and extends to the inside of the biopsy cap. In this way, when the biopsy forceps passes through the diaphragm tear, they can be inserted from the oblique groove. Under the guidance of the first oblique groove and the second oblique groove, the biopsy forceps can be prevented from expanding the diaphragm tear, thereby protecting the diaphragm tear. Under the guidance of the oblique groove, the biopsy forceps can also smoothly pass through the biopsy cap, which is more convenient for the use of the endoscope.

[0015] Compared with the existing endoscopic biopsy cap, it can play a guiding role at the biopsy forceps and the diaphragm, facilitating the smooth passage of the biopsy forceps. At the same time, it plays a protective role on the diaphragm tear and the passage of the biopsy forceps, thereby ensuring the normal use of the endoscope. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the explosion structure in the utility model;

[0019] Figure 4 This is a schematic diagram of the side cross-sectional structure of the sealing ring in the utility model;

[0020] Figure 5 for Figure 4 Schematic diagram of the local enlarged structure at point A in the middle.

[0021] In the figure: 1, base; 2, connecting piece; 3, upper cover; 4, sealing ring; 5, separation sleeve; 6, diaphragm; 31, buckle groove; 51, first oblique groove; 52, second oblique groove; 61, diaphragm crack. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figure 1-5 The utility model provides a technical solution: a biopsy cap for an endoscope, comprising a base 1, a connector 2, an upper cover 3, and a diaphragm 6. The connector 2 is fixedly connected to the top of the base 1, the upper cover 3 and the connector 2 are connected by threads, a sealing ring 4 is sealed and bonded to the top of the upper cover 3, and a separation sleeve 5 is integrally formed on the top of the sealing ring 4 by die-casting;

[0024] A diaphragm slit 61 is provided at the top of the diaphragm 6, and a first oblique groove 51 and a second oblique groove 52 are respectively provided at the bottom and the top opening of the separation sleeve 5, and the bottom end of the separation sleeve 5 penetrates to the bottom of the diaphragm slit 61, and the inner side walls of the first oblique groove 51 and the second oblique groove 52 are both made of smooth medical plastic material;

[0025] The connector 2 at the top of the base 1 is threadedly connected to the upper cover 3, so that the diaphragm 6 is sealed and installed between the upper cover 3 and the base 1, and the diaphragm slit 61 opened in the middle of the diaphragm 6 is used for the biopsy forceps to pass through the biopsy cap;

[0026] The top of the upper cover 3 is sealed and bonded with the separation sleeve 5 through the buckle groove 31, so that the bottom end of the separation sleeve 5 passes through the diaphragm tear 61 and extends to the inside of the biopsy cap. In this way, when the biopsy forceps passes through the diaphragm tear 61, it can be inserted from the oblique groove. Under the guidance of the first oblique groove 51 and the second oblique groove 52, the biopsy forceps can avoid expanding the diaphragm tear 61, thereby protecting the diaphragm tear 61. Under the guidance of the oblique groove, the biopsy forceps can also smoothly pass through the biopsy cap, which is more convenient for the use of the endoscope.

[0027] Among them, the connecting member 2 is provided with threads on the outside, the inner wall of the upper cover 3 is installed on the connecting member 2 through threads, the diaphragm 6 is located at the top of the connecting member 2, and the diaphragm 6 is located in the inner cavity of the upper cover 3, and the top of the upper cover 3 is sealed and bonded with the separation sleeve 5 through the buckle groove 31, so that the bottom end of the separation sleeve 5 passes through the diaphragm crack 61 and extends to the inside of the biopsy cap.

[0028] A buckle groove 31 is formed on the top of the upper cover 3 , and the outer edge of the sealing ring 4 is bonded to the inner diameter of the buckle groove 31 . The sealing ring 4 and the upper cover 3 are bonded and sealed via the buckle groove 31 .

[0029] Among them, the first oblique groove 51 and the second oblique groove 52 are trumpet-shaped structures, the outer wall of the separation sleeve 5 is tightly fitted with the inner diameter of the diaphragm resection 61, and the bottom end of the separation sleeve 5 passes through the diaphragm resection 61 and extends to the inside of the biopsy cap, so that when the biopsy forceps passes through the diaphragm resection 61, it can be inserted from the oblique groove. Under the guidance of the first oblique groove 51 and the second oblique groove 52, the biopsy forceps can be prevented from expanding the diaphragm resection 61, thereby protecting the diaphragm resection 61. Under the guidance of the oblique groove, the biopsy forceps can also smoothly pass through the biopsy cap.

[0030] Working principle: When in use, first place the diaphragm 6 on the top of the connector 2, then install the upper cover 3 on the outside of the connector 2 through threads, so that the diaphragm 6 is sealed and installed between the upper cover 3 and the base 1, and the diaphragm slit 61 opened in the middle of the diaphragm 6 is used for the biopsy forceps to pass through the biopsy cap;

[0031] Finally, the top of the upper cover 3 can be sealed and bonded to the separation sleeve 5 through the buckle groove 31, so that the bottom end of the separation sleeve 5 passes through the diaphragm resection 61 and extends to the inside of the biopsy cap. In this way, when the biopsy forceps passes through the diaphragm resection 61, it can be inserted from the oblique groove. Under the guidance of the first oblique groove 51 and the second oblique groove 52, the biopsy forceps can avoid expanding the diaphragm resection 61, thereby protecting the diaphragm resection 61. Under the guidance of the oblique groove, the biopsy forceps can also smoothly pass through the biopsy cap, which is more convenient for the use of the endoscope.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes and modifications may be made to the embodiments without departing from the principles of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biopsy cap for an endoscope, comprising a base (1), a connecting piece (2), an upper cover (3), and a diaphragm (6), characterized in that: The connecting member (2) is fixedly connected to the top of the base (1), and the upper cover (3) is connected to the connecting member (2) by means of threads. A sealing ring (4) is sealed and bonded to the top of the upper cover (3), and a separation sleeve (5) is integrally formed on the top of the sealing ring (4). A diaphragm slit (61) is provided on the top of the diaphragm (6), and a first oblique groove (51) and a second oblique groove (52) are respectively provided at the bottom and the top opening of the separation sleeve (5). The bottom end of the separation sleeve (5) extends to the bottom of the diaphragm slit (61), and the inner walls of the first oblique groove (51) and the second oblique groove (52) are both made of smooth medical plastic material.

2. The biopsy cap for an endoscope according to claim 1, characterized in that: The connecting piece (2) is provided with threads on the outside, and the inner wall of the upper cover (3) is mounted on the connecting piece (2) through threads.

3. The biopsy cap for an endoscope according to claim 1, characterized in that: The diaphragm (6) is located at the top of the connecting piece (2), and the diaphragm (6) is located in the inner cavity of the upper cover (3).

4. The biopsy cap for an endoscope according to claim 1, characterized in that: A buckle groove (31) is provided on the top of the upper cover (3), and the outer edge of the sealing ring (4) is bonded to the inner diameter of the buckle groove (31).

5. The biopsy cap for an endoscope according to claim 1, characterized in that: The first oblique groove (51) and the second oblique groove (52) are trumpet-shaped structures.

6. The biopsy cap for an endoscope according to claim 1, characterized in that: The outer wall of the separation sleeve (5) is tightly fitted to the inner diameter of the diaphragm slit (61).

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