Novel biopsy hole cap

Abstract

The utility model provides a novel biopsy hole cap, which relates to the technical field of medical instruments, and comprises a biopsy cap body and a guide piece, the guide piece is detachably connected with the biopsy cap body through a detachable connecting piece, the guide piece is provided with an auxiliary guide channel, and the auxiliary guide channel is communicated with a main guide channel of the biopsy cap body. The inner diameter of the inlet end of the auxiliary guide channel is larger than that of the main guide channel. The guiding piece is detachably connected with the biopsy cap body through the detachable connecting piece, and assembling and disassembling are convenient. The auxiliary guide channel is communicated with the main guide channel to form a continuous guide path, and the inner diameter of the inlet end of the auxiliary guide channel is larger than that of the main guide channel, so that a wider guide inlet is provided for the soft accessory, and the soft accessory can easily and smoothly enter the auxiliary guide channel. And the air smoothly enters the main guide channel through the auxiliary guide channel.

Description

Technical Field

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

[0002] The biopsy hole cap is a medical device accessory used in digestive endoscopic surgery. It is installed at the channel opening of the endoscope and is used to guide various digestive endoscopic accessories into the body.

[0003] The applicant has found that the prior art has at least the following technical problems:

[0004] When the biopsy hole cap guides soft accessories such as guide wires, nylon ropes and traction lines, the soft accessories have difficulty entering the narrow guide channel entrance of the biopsy hole cap due to their lack of rigidity. They cannot enter as easily as hard accessories, resulting in a smooth operation and affecting the efficiency of the operation.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a new biopsy hole cap to solve the technical problem that the soft attachment of the prior art has difficulty in entering the narrow guide channel entrance of the biopsy hole cap due to the lack of rigidity of the soft attachment when guiding the biopsy hole cap, which affects the efficiency of the operation. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects as described below.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The utility model provides a novel biopsy hole cap, comprising a biopsy cap body and a guide, wherein the guide is detachably connected to the biopsy cap body via a detachable connecting piece, and the guide has an auxiliary guide channel, which is connected to the main guide channel of the biopsy cap body, and the inner diameter of the inlet end of the auxiliary guide channel is greater than the inner diameter of the main guide channel.

[0009] Preferably, the guide member includes a hollow tapered section and a straight section connected in sequence from top to bottom, the inner diameter of the tapered section gradually decreases toward the main guide channel, the inner diameter of the straight section is the same as the minimum inner diameter of the tapered section, and the main guide channel is sleeved on the straight section.

[0010] Preferably, the detachable connecting piece includes a connecting seat, which is sleeved on the bottom of the tapered section, and the connecting seat has an annular cavity with an opening at the lower end, an inner thread section is arranged on the inner wall of the annular cavity, and an outer thread section matching the inner thread section is arranged on the outer wall of the base of the biopsy cap.

[0011] Preferably, the inner diameter of the inlet end of the tapered section is larger than the inner diameter of the auxiliary guide channel.

[0012] Preferably, a lubricating coating is provided on the outer wall of the straight section.

[0013] Preferably, the inner walls of the tapered section and the straight section are smooth.

[0014] Preferably, a mounting groove is provided on the inner top wall of the connecting seat, and a sealing ring is arranged in the mounting groove. When the connecting seat is screwed to the base, the sealing ring fits tightly against the upper end surface of the base.

[0015] Preferably, an anti-slip layer is provided on the outer side wall of the connecting seat.

[0016] The preferred technical solution of the utility model can also produce at least the following technical effects:

[0017] The utility model effectively avoids the technical problems in the prior art that the biopsy hole cap has difficulty in guiding the soft attachment when entering the narrow guide channel entrance of the biopsy hole cap due to the lack of rigidity of the soft attachment, which affects the efficiency of the operation. The utility model provides a new biopsy hole cap, including a biopsy cap body and a guide, the guide is detachably connected to the biopsy cap body through a detachable connector, the guide has an auxiliary guide channel, the auxiliary guide channel is connected to the main guide channel of the biopsy cap body, and the inner diameter of the entrance end of the auxiliary guide channel is larger than the inner diameter of the main guide channel. The guide is detachably connected to the biopsy cap body through the detachable connector, and is easy to assemble and disassemble. The auxiliary guide channel is connected to the main guide channel to form a continuous guide path, and the inner diameter of the entrance end of the auxiliary guide channel is larger than the inner diameter of the main guide channel, providing a more spacious guide entrance for the soft attachment, so that the soft attachment can easily and smoothly enter the auxiliary guide channel, and smoothly enter the main guide channel through the auxiliary guide channel, thereby improving the guiding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a guide member and a base of a novel biopsy hole cap provided by the utility model in an assembled state;

[0020] Figure 2The utility model is a structural schematic diagram showing that a guide piece and a base of a novel biopsy hole cap are in a separated state.

[0021] In the figure:

[0022] 1. Guide; 11. Tapered section; 12. Straight section; 121. Lubricating coating; 13. Auxiliary guide channel; 2. Connecting seat; 21. Internal thread section; 22. Mounting groove; 23. Anti-slip layer; 3. Biopsy cap body; 31. Base; 311. External thread section; 32. Main guide channel; 4. Sealing ring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0024] like Figure 1-Figure 2 As shown, the utility model provides a new biopsy hole cap, including a biopsy cap body 3 and a guide 1, the guide 1 is detachably connected to the biopsy cap body 3 through a detachable connecting piece, the guide 1 has an auxiliary guide channel 13, the auxiliary guide channel 13 is connected to the main guide channel 32 of the biopsy cap body 3, and the inner diameter of the inlet end of the auxiliary guide channel 13 is larger than the inner diameter of the main guide channel 32.

[0025] The guide member 1 is detachably connected to the biopsy cap body 3 through a detachable connector, and is easy to assemble and disassemble. The auxiliary guide channel 13 is connected to the main guide channel 32 to form a continuous guide path, and the inner diameter of the entrance end of the auxiliary guide channel 13 is larger than the inner diameter of the main guide channel 32, providing a more spacious guide entrance for the soft accessory, so that the soft accessory can easily and smoothly enter the auxiliary guide channel 13, and smoothly enter the main guide channel 32 through the auxiliary guide channel 13, thereby improving the guiding efficiency.

[0026] As an optional embodiment, the guide member 1 includes a hollow tapered section 11 and a straight section 12 connected in sequence from top to bottom, the inner diameter of the tapered section 11 gradually decreases toward the main guide channel 32, the inner diameter of the straight section 12 is the same as the minimum inner diameter of the tapered section 11, and the main guide channel 32 is sleeved on the straight section 12.

[0027] Furthermore, the connection between the inner wall of the tapered section 11 and the inner wall of the straight section 12 is smoothly transitioned.

[0028] The inner diameter of the entrance end of the tapered section 11 is the largest, providing a spacious initial guide entrance for the soft accessory, so that the soft accessory can easily and smoothly enter the auxiliary guide channel 13. As the inner diameter of the tapered section 11 gradually decreases, the soft accessory is guided to smoothly enter the straight section 12 and then smoothly enter the main guide channel 32.

[0029] As an optional embodiment, the inner diameter of the entrance end of the tapered section 11 is larger than the inner diameter of the auxiliary guide channel 13, providing a spacious initial guide entrance for the soft accessory, allowing the soft accessory to enter more easily and smoothly.

[0030] As an optional embodiment, a lubricating coating 121 is provided on the outer wall of the straight section 12 to reduce the friction between the straight section 12 and the main guide channel 32 during assembly and disassembly.

[0031] As an optional embodiment, the tapered section 11 and the straight section 12 are connected to form an auxiliary guide channel 13, and the inner walls of the tapered section 11 and the straight section 12 are smooth to reduce resistance to the soft attachment and enable it to pass more easily.

[0032] As an optional embodiment, the detachable connecting part includes a connecting seat 2, which is sleeved on the bottom of the tapered section 11, and the connecting seat 2 has an annular cavity with an opening at the lower end, and an internal thread section 21 is arranged on the inner wall of the annular cavity, and an external thread section 311 that matches the internal thread section 21 is arranged on the outer wall of the base 31 of the biopsy cap 3.

[0033] Through the threaded cooperation between the internal thread section 21 and the external thread section 311 , the connecting seat 2 can be tightly fixed on the base 31 of the biopsy cap 3 , thereby improving the stability and reliability of the connection between the two.

[0034] As an optional implementation, a mounting groove 22 is opened on the inner top wall of the connecting seat 2, and a sealing ring 4 is arranged in the mounting groove 22. When the connecting seat 2 and the base 31 are screwed together, the sealing ring 4 fits tightly against the upper end surface of the base 31.

[0035] When the connecting seat 2 is threadedly connected to the base 31 of the biopsy cap 3, the sealing ring 4 will fit tightly with the upper end surface of the base 31 to form an effective seal.

[0036] As an optional implementation, an anti-slip layer 23 is provided on the outer side wall of the connecting seat 2 .

[0037] Furthermore, the anti-slip layer 23 includes rubber, silicone or a plastic layer with an anti-slip texture, etc., so as to increase the friction between the medical staff's palms, and the assembly and disassembly operations are convenient.

[0038] The surface of the anti-slip layer 23 may also be provided with anti-slip protrusions to further increase the friction between the palm and the hand, thereby improving the anti-slip effect.

[0039] It should be noted that the specification of the guide 1 can be designed according to the specification of the biopsy cap body.

[0040] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

[0041] In the description of the present utility model, it should be noted that, unless otherwise specified, "multiple" means two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0042] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "an example" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0044] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A novel biopsy hole cap, characterized in that: The invention comprises a biopsy cap body and a guide, wherein the guide is detachably connected to the biopsy cap body via a detachable connector, and the guide has an auxiliary guide channel, which is connected to the main guide channel of the biopsy cap body, and the inner diameter of the inlet end of the auxiliary guide channel is greater than the inner diameter of the main guide channel.

2. A novel biopsy hole cap according to claim 1, characterized in that: The guide member includes a hollow tapered section and a straight section connected in sequence from top to bottom, the inner diameter of the tapered section gradually decreases toward the main guide channel, the inner diameter of the straight section is the same as the minimum inner diameter of the tapered section, and the main guide channel is sleeved on the straight section.

3. A novel biopsy hole cap according to claim 2, characterized in that: The detachable connecting piece includes a connecting seat, which is sleeved on the bottom of the tapered section. The connecting seat has an annular cavity with an opening at the lower end. An internal thread section is arranged on the inner wall of the annular cavity, and an external thread section matching the internal thread section is arranged on the outer wall of the base of the biopsy cap.

4. A novel biopsy hole cap according to claim 3, characterized in that: The inner diameter of the inlet end of the tapered section is larger than the inner diameter of the auxiliary guide channel.

5. A novel biopsy hole cap according to claim 2, characterized in that: A lubricating coating is arranged on the outer wall of the straight section.

6. A novel biopsy hole cap according to claim 2, characterized in that: The inner walls of the tapered section and the straight section are smooth.

7. A novel biopsy hole cap according to claim 3, characterized in that: An installation groove is provided on the inner top wall of the connecting seat, and a sealing ring is arranged in the installation groove. When the connecting seat is screwed to the base, the sealing ring is tightly fitted with the upper end surface of the base.

8. A novel biopsy hole cap according to claim 7, characterized in that: An anti-slip layer is arranged on the outer side wall of the connecting seat.

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