Starting structure of electric endoscope and electric endoscope

Abstract

The utility model relates to the technical field of medical instruments, in particular to a starting structure of an electric endoscope and the electric endoscope thereof, which comprises an outer shell and a nail bin assembly detachably mounted on the outer shell, and further comprises a microswitch mounted at one end, close to the nail bin assembly, in the outer shell. The starting structure of the electric endoscope is characterized in that transmission chain assemblies which are linked with each other are arranged between the nail bin assembly and the outer shell, and one end of each transmission chain assembly is in contact with the microswitch. The fixing block, the safety connecting sleeve, the limiting block gasket and the limiting pipe are sequentially in transmission connection in the direction of the outer shell nail bin assembly to form a transmission chain assembly, and the transmission chain assembly makes contact with the microswitch through the fixing block.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a starting structure of an electric laparoscope and an electric laparoscope. Background Art

[0002] Electric laparoscopic staplers are widely used in minimally invasive surgeries, and their surgical efficiency is high. Before using the existing electric laparoscope, the stapler assembly needs to be installed to the installation position of the electric laparoscope. The stapler assembly and the electric laparoscope are in contact with the micro switch at the rear of the electric laparoscope near the battery module through the transmission chain, and the first safety of the electric laparoscope is activated, and the stapler assembly is installed in place. The transmission chain inside the existing stapler assembly and the electric laparoscope body is long and complex. On the one hand, it is troublesome to manufacture and install the electric laparoscope, resulting in low production efficiency. On the other hand, the too long transmission chain will make it impossible to prepare for installation, resulting in the failure of the first safety to be triggered and opened, affecting the normal use of the electric laparoscope. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to solve the problem that the transmission chain inside the existing nail magazine assembly and the electric laparoscope body is long and complicated, on the one hand, it is troublesome to manufacture and install the electric laparoscope, resulting in low production efficiency; on the other hand, the excessively long transmission chain will make it impossible to prepare for installation, resulting in the first safety failing to be triggered and opened, affecting the normal use of the electric laparoscope. A starting structure of an electric laparoscope and an electric laparoscope are now provided.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a starting structure of an electric laparoscope, including an outer shell and a nail magazine assembly detachably mounted on the outer shell, and also including a micro switch, the micro switch is mounted in the outer shell at one end close to the nail magazine assembly, a mutually linked transmission chain assembly is arranged between the nail magazine assembly and the outer shell, and one end of the transmission chain assembly contacts the micro switch. Compared with the prior art, this solution places the micro switch in the outer shell at one end close to the nail magazine assembly, shortens and simplifies the transmission chain assembly, ensures that the transmission chain assembly triggers the micro switch accurately, facilitates the installation and disassembly of the nail magazine assembly, and improves the production efficiency of the electric laparoscope.

[0005] In order to realize the transmission chain assembly, some embodiments are preferred, wherein the transmission chain assembly includes a fixed block, a safety sleeve, a limit block gasket and a limit tube which are sequentially connected by transmission from the outer shell to the nail magazine assembly, and the fixed block is used to contact the micro switch. The fixed block, the safety sleeve, the limit block gasket and the limit tube are sequentially connected by transmission from the outer shell to the nail magazine assembly to form a transmission chain assembly, and contact the micro switch through the fixed block.

[0006] In order to achieve contact between the fixed block and the micro switch, in some preferred embodiments, a trigger tongue is extended from the fixed block toward the micro switch, and the trigger tongue contacts the micro switch. A trigger tongue is extended from the fixed block at one end, and the trigger tongue contacts the micro switch, thereby achieving contact between the fixed block and the micro switch.

[0007] In order to prevent the trigger tongue on the fixed block from being separated from the position in contact with the micro switch, some preferred embodiments are provided with a limit hook at one end of the trigger tongue close to the micro switch, one end of the limit hook is provided corresponding to the contact of the micro switch, a limit slot is provided in the outer shell along the axial direction of the transmission chain assembly, the limit hook is slidably installed in the limit slot and is used to limit the displacement range of the limit hook, and the micro switch is located above the limit slot and is provided correspondingly. By providing a limit hook on the trigger tongue, the limit hook cooperates with the limit slot in the outer shell, limiting the displacement range of the limit hook, and ensuring that the contact between the trigger tongue and the micro switch is stable and reliable.

[0008] In some preferred embodiments, one end of the fixing block slides in the outer shell, a restoring spring is installed between the one end of the fixing block and the outer shell, and the other end of the fixing block abuts against a safety socket, and the safety socket slides in the outer shell.

[0009] In some preferred embodiments, the limit block gasket and the limit tube are arranged on the nail magazine assembly.

[0010] An electric cavity mirror is provided with the above-mentioned starting structure of the electric cavity mirror.

[0011] The beneficial effect of the utility model is that when the starting structure of the electric laparoscope and the electric laparoscope of the utility model are in use, the outer shell nail magazine assembly direction is sequentially connected and transmitted through the fixing block, the safety sleeve, the limit block gasket and the limit tube to form a transmission chain assembly, and the fixing block contacts the micro switch, thereby avoiding the problem that the transmission chain inside the existing nail magazine assembly and the electric laparoscope body is long and the transmission chain is complicated, which is troublesome for the manufacture and installation of the electric laparoscope and leads to low production efficiency. On the other hand, the too long transmission chain will make it impossible to prepare for installation, resulting in the failure of the first safety to be triggered and opened, affecting the normal use of the electric laparoscope. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] Figure 3 It is a right view of the utility model;

[0016] Figure 4 It is a top view of the utility model;

[0017] Figure 5 yes Figure 3 Middle AA section view;

[0018] Figure 6 yes Figure 5 A partial enlarged view of B in the middle;

[0019] Figure 7 yes Figure 5 A partial enlarged view of C in the middle.

[0020] In the figure: 1. outer shell, 2. nail magazine assembly, 3. micro switch, 4. transmission chain assembly, 5. fixing block, 6. insurance socket, 7. limit block gasket, 8. limit tube, 9. trigger tongue, 10. limit hook, 11. limit groove. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the embodiments:

[0022] The present invention is not limited to the following specific implementations. A person skilled in the art can implement the present invention in a variety of other specific implementations according to the content disclosed in the present invention, or any design structure and idea of ​​the present invention with simple changes or modifications shall fall within the protection scope of the present invention. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0023] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying 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 a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0024] In the description of the present invention, it should be noted 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0025] like Figure 1-7 As shown, a starting structure of an electric laparoscope includes an outer shell 1, a nail magazine assembly 2 and a micro switch 3. The nail magazine assembly 2 is detachably mounted on one end of the outer shell 1, and the micro switch 3 is fixedly mounted in the outer shell 1. The micro switch 3 is located at one end of the outer shell 1 close to the nail magazine assembly 2. A transmission chain assembly 4 that is interconnected is arranged between the nail magazine assembly 2 and the outer shell 1, and one end of the transmission chain assembly 4 is in contact with the micro switch 3.

[0026] The transmission chain assembly 4 includes a fixed block 5, a safety sleeve 6, a limit block gasket 7, a limit tube 8, a firing pressure block 9 and a firing pressure plate 9. The fixed block 5, the safety sleeve 6, the limit block gasket 7, the limit tube 8, the firing pressure block and the firing pressure plate are sequentially connected by the outer shell 1 to the nail magazine assembly 2. A trigger tongue 9 extends from the fixed block 5 to the direction of the micro switch 3, and the trigger tongue 9 is used for contacting the contacts of the micro switch 3.

[0027] One end of the fixed block 5 slides in the outer shell 1, and a restoring spring is installed between one end of the fixed block 5 and the outer shell 1. The restoring spring is used to reset the position of the fixed block 5 and make the trigger tongue 9 disengage from the micro switch 3. The other end of the fixed block 5 is abutted against the safety socket 6, and the safety socket 6 slides in the outer shell 1. The limit block gasket 7, the limit tube 8, the firing pressure block and the firing pressure plate are installed on the nail magazine assembly 2 in sequence from the outer shell 1 to the direction of the positioning assembly.

[0028] A limit hook 10 is provided at one end of the trigger tongue 9 close to the micro switch 3, and one end of the limit hook 10 is provided corresponding to the contact of the micro switch 3. A limit groove 11 is provided in the outer shell 1 along the axial direction of the transmission chain assembly 4, and the limit hook 10 is slidably installed in the limit groove 11. The limit groove 11 is used to limit the displacement range of the limit hook 10, and the micro switch 3 is installed above the limit groove 11 and is located within the displacement range of the limit hook 10.

[0029] Example 2

[0030] Embodiment 2 is an application of Embodiment 1, specifically: an electric laparoscope equipped with a starting structure of the electric laparoscope as described above.

[0031] When installing the staple cartridge assembly 2 of the above-mentioned electric laparoscope starting structure and the electric laparoscope thereof, the staple cartridge assembly 2 and the outer shell 1 are separated, and the staple cartridge assembly 2 is installed on the outer shell 1. At this time, the limit block gasket 7 on the staple cartridge assembly 2 is abutted against the safety socket 6, and the safety socket 6 is made to slide on the outer shell 1, thereby driving the fixed block 5 to slide on the outer shell 1, and at the same time, the trigger tongue 9 on the fixed block 5 gradually approaches the micro switch 3, and the limit hook 10 on the trigger tongue 9 slides in the limit groove 11, and along with the displacement of the fixed block 5 and the compression of the reset spring, until the trigger tongue 9 contacts the contact point of the micro switch 3, the micro switch 3 is triggered, and the installation of the staple cartridge assembly 2 is completed;

[0032] This solution adjusts the existing micro switch 3 from the rear of the outer shell 1 to the front, simplifies and shortens the transmission chain component 4, and makes the micro switch 3 more accurately triggered.

[0033] The above-mentioned ideal embodiments of the utility model are inspirations. Through the above-mentioned description, relevant staff can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of the utility model is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A starting structure of an electric laparoscope, comprising an outer shell (1) and a nail magazine assembly (2) detachably mounted on the outer shell (1), characterized in that: The device further comprises a micro switch (3), wherein the micro switch (3) is installed in the outer shell (1) at one end close to the nail magazine assembly (2), and a transmission chain assembly (4) which is linked to each other is arranged between the nail magazine assembly (2) and the outer shell (1), and one end of the transmission chain assembly (4) is in contact with the micro switch (3); The transmission chain assembly (4) comprises a fixed block (5), a safety socket (6), a limit block gasket (7) and a limit tube (8) which are sequentially connected in a transmission manner from the outer shell (1) to the nail magazine assembly (2); the fixed block (5) is used for contacting the micro switch (3).

2. The starting structure of the electric laparoscope according to claim 1 is characterized in that: A trigger tongue (9) extends from the fixed block (5) in the direction of the micro switch (3), and the trigger tongue (9) is in contact with the micro switch (3).

3. The starting structure of the electric laparoscope according to claim 2 is characterized in that: A limit hook (10) is arranged at one end of the trigger tongue (9) close to the micro switch (3); one end of the limit hook (10) is arranged corresponding to the contact of the micro switch (3); a limit slot (11) is provided in the outer shell (1) along the axial direction of the transmission chain assembly (4); the limit hook (10) is slidably installed in the limit slot (11) and is used to limit the displacement range of the limit hook (10); and the micro switch (3) is located above the limit slot (11) and is arranged correspondingly.

4. The starting structure of the electric laparoscope according to claim 1 is characterized in that: One end of the fixing block (5) slides in the outer shell (1), a restoring spring is installed between one end of the fixing block (5) and the outer shell (1), the other end of the fixing block (5) is abutted against a safety socket (6), and the safety socket (6) slides in the outer shell (1).

5. The starting structure of the electric laparoscope according to claim 1 or 4, characterized in that: The limiting block gasket (7) and the limiting tube (8) are arranged on the nail magazine assembly (2).

6. An electric laparoscope, characterized in that: A starting structure of an electric laparoscope as described in any one of claims 1 to 5 is installed.

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