CN220344445U - Firing safety mechanism of electric endoscope anastomat - Google Patents

Abstract

The utility model relates to the field of medical equipment and discloses a firing safety mechanism of an electric endoscope anastomat, which comprises a shell, an installation framework positioned in the shell, a rack connected with a firing rod, and a safety assembly positioned below the rack, wherein the rack is slidably installed on the installation framework; the safety button and the safety locking plate are both slidably arranged on the mounting framework; one side of the upper end of the safety locking plate is provided with a limit groove, and the bottom of the rack is provided with a limit block matched with the limit groove. Compared with the prior art, the safety assembly is additionally arranged on the installation framework, when the safety assembly is used, only the safety button is pressed down, so that the safety locking plate moves downwards, and after the limiting block on the rack is separated from the limiting groove of the safety locking plate, the percussion bar can be normally driven, so that the anastomat can be used for cutting and suturing, a doctor is prevented from carelessly pressing the percussion button in the positioning process, false percussion is caused, and the wound of a patient is increased.

Description

Firing safety mechanism of electric endoscope anastomat

Technical Field

The utility model relates to the field of medical appliances, in particular to a firing safety mechanism of an electric endoscopic stapler.

Background

The anastomat is equipment used in surgery to replace manual suturing, and the working principle is to separate or anastomose tissues by using titanium nails, which is similar to a stapler. Compared with the traditional manual suture, the instrument suture has the following advantages: the suture is quick, the operation is simple, and the operation time is saved; disposable, avoid cross infection; the titanium nails or stainless steel nails are used, so that the suture is tight and the tightness is proper; fewer side effects and fewer operation complications, and the tumor operation which cannot be excised too much can be excised by focus excision, which is favored by surgeons.

In order to have better operation vision and better operation angle in operation, a left-right swinging mechanism is arranged on the endoscope anastomat, so that the left-right swinging of the nail bin assembly in operation is realized, the better operation vision is ensured, and the operation is convenient; in the operation process, in the process of squeezing the tissues to be anastomosed, a doctor may not accurately position the anastomat, but press the firing button carelessly, so that false firing is caused, and the wound of a patient is increased.

In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art.

Disclosure of Invention

The utility model mainly aims to provide a firing safety mechanism of an electric endoscope anastomat, which solves the problems in the background technology.

In order to achieve the above object, the solution of the present utility model is:

the firing safety mechanism of the electric endoscope anastomat comprises a shell, an installation framework positioned in the shell, a rack connected with a firing rod, and a safety component positioned below the rack, wherein the rack is slidably installed on the installation framework; the safety button and the safety locking plate are both slidably arranged on the mounting framework; one side of the upper end of the safety locking plate is provided with a limiting groove, and the bottom of the rack is provided with a limiting block matched with the limiting groove.

Further, the safety button comprises a sliding rod which is transversely arranged, a driving block positioned on the side wall of the middle part of the sliding rod, and pressing convex blocks positioned at two ends of the sliding rod; the pressing projection protrudes outside the housing.

Further, two symmetrically arranged guide blocks are formed on one side of the safety locking plate; a first guide inclined plane is formed on one side, close to each other, of each guide block, a clamping groove is formed on the top of each guide block, and a second guide inclined plane is formed on the side wall of each clamping groove; the distance between the two first guide inclined planes gradually decreases from top to bottom; and third guide inclined planes matched with the two first guide inclined planes are respectively formed on two sides of the driving block.

Further, the safety assembly further comprises a spring connected to the bottom of the safety locking plate.

Further, the safety assembly also includes a sound activated switch mounted on a circuit board inside the housing; the connecting rod is characterized in that a connecting column contacted with the sound trigger switch is formed on the sliding rod, a connecting groove is formed in the middle of the top of the connecting column, a connecting convex strip matched with the connecting groove is formed at the bottom of the sound trigger switch, and the inner wall of the connecting groove is in a smooth arc shape.

Further, two positioning blocks are further arranged on the sliding rod, and a positioning groove matched with the limiting block is formed between the two positioning blocks.

By adopting the structure, compared with the prior art, the firing safety mechanism of the electric endoscope anastomat has the advantages that the safety component is additionally arranged on the installation framework, when the electric endoscope anastomat is used, the firing safety mechanism can normally drive the firing rod only after the safety button is pressed to enable the safety locking plate to move downwards and the limiting block on the rack is separated from the limiting groove of the safety locking plate, so that the anastomat can be used for cutting and suturing, and the situation that a doctor carelessly presses the firing button in the positioning process to cause false firing is avoided, and the trauma of a patient is increased.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is an enlarged partial schematic view of FIG. 2A;

FIG. 4 is a schematic view of the structure of the safety assembly of the present utility model mated with a rack;

FIG. 5 is a schematic view of a safety button according to the present utility model;

FIG. 6 is a schematic view of the structure of the lock plate of the present utility model;

fig. 7 is a schematic structural diagram of a voice trigger switch according to the present utility model.

Legend description: the device comprises a shell 1, an installation framework 2, a rack 3, a limiting block 31, a safety locking plate 41, a limiting groove 411, a guide block 412, a first guide inclined plane 4121, a clamping groove 4122, a second guide inclined plane 4123, a safety button 42, a sliding rod 421, a driving block 422, a third guide inclined plane 4221, a pressing lug 423, a connecting column 424, a connecting groove 4241, a positioning block 425, a positioning groove 4251, a spring 43, a sound trigger switch 44 and a connecting convex strip 441.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 7, the utility model relates to a firing safety mechanism of an electric endoscope anastomat, which comprises a shell 1, a mounting framework 2 positioned in the shell 1 and a rack 3 connected with a firing bar, wherein the rack 3 is slidably mounted on the mounting framework 2, and a safety component is arranged below the rack 3 and comprises a safety locking plate 41 and a safety button 42 for driving the safety locking plate 41 to slide up and down; the safety button 42 and the safety locking plate 41 are both slidably arranged on the mounting framework 2; two mounting cavities for respectively mounting the safety button 42 and the safety locking plate 41 are formed on the mounting framework 2, the two mounting cavities are communicated with each other, the safety button 42 transversely moves on the mounting framework 2, and the safety locking plate 41 vertically moves on the mounting framework 2; the safety button 42 is moved to drive the safety locking plate 41 to move so as to unlock the rack 3, so that the rack 3 can smoothly drive the firing rod, specifically, a limit slot 411 is formed on one side of the upper end of the safety locking plate 41, a limit block 31 matched with the limit slot 411 is formed at the bottom of the rack 3, and before the firing is prepared, the limit block 31 of the rack 3 is clamped in the limit slot 411, thereby preventing a doctor from firing by mistake in the surgical process and increasing the trauma of a patient.

In this embodiment, the safety button 42 includes a slide bar 421 disposed transversely, a driving block 422 disposed on a side wall of the middle of the slide bar 421, and pressing protrusions 423 disposed at two ends of the slide bar 421; the pressing projection 423 protrudes outside the housing 1. The slide bar 421 of the safety button 42 slides in the installation framework 2, the pressing protruding blocks 423 are arranged at two ends of the slide bar 421, and the pressing protruding blocks 423 protrude out of the shell 1, so that a doctor can press the safety locking plate 41 back and forth conveniently, and the safety locking plate 41 is opened and reset.

In the present embodiment, two symmetrically arranged guide blocks 412 are formed on one side of the safety locking piece 41; a first guide inclined plane 4121 is formed on the side, close to the two guide blocks 412, of each guide block 412, a clamping groove 4122 is formed on the top of each guide block 412, and a second guide inclined plane 4123 is formed on the side wall of each clamping groove 4122; the distance between the two first guide slopes 4121 gradually decreases from top to bottom; the driving block 422 is formed at both sides thereof with third guide slopes 4221 respectively, which are engaged with the two first guide slopes 4121. When the rack 3 needs to be unlocked, the driving button is pressed to move transversely, the third guide inclined plane 4221 of the driving block 422 and the first guide inclined plane 4121 of the guide block 412 move relatively, so that the safety locking plate 41 is forced to move downwards, and the limiting block 31 is separated from the limiting slot 411, so that the firing operation can be performed at the moment; in addition, two symmetrical guide blocks 412 are arranged, and the safety locking plate 41 can be driven to move downwards to the left or right during operation, so that the safety locking plate is more convenient.

In this embodiment, the safety assembly further includes a spring 43 attached to the bottom of the safety locking tab 41. When the rack 3 is reset, the safety locking plate 41 needs to be reset, and the safety button 42 can be reversely driven again during specific operation, so that the driving block 422 returns to the middle of the two guiding blocks 412 along the second guiding inclined plane 4123, and at this time, the spring 43 can jack up and reset the safety locking plate 41 again, so that the limiting block 31 is clamped in the limiting slot 411.

In this embodiment, the safety assembly further comprises a sound activated switch 44 mounted on a circuit board inside the housing 1; the slide bar 421 is provided with a connecting column 424 contacting with the voice trigger switch 44, a connecting groove 4241 is formed in the middle of the top of the connecting column 424, a connecting convex strip 441 matched with the connecting groove 4241 is formed at the bottom of the voice trigger switch 44, and the inner wall of the connecting groove 4241 is in a smooth arc shape. When a doctor presses the safety button 42, the doctor may not press the safety lock plate 41 in place, so that the safety lock plate 41 does not move downwards, and a sound trigger switch 44 is arranged to provide a feedback sound for the safety button 42 to press in place.

In this embodiment, the slide bar 421 is further provided with two positioning blocks 425, and a positioning groove 4251 matched with the limiting block 31 is formed between the two positioning blocks 425. When the anastomat is not assembled yet, the limiting block 31 on the rack 3 is positioned in the positioning groove 4251 and is fixed by the two positioning blocks 425, so that the safety button 42 is prevented from being triggered to move by mistake in the transportation process, the safety locking plate 41 is prevented from moving downwards, and when the anastomat is assembled, the rack 3 moves forwards for a small distance, and the limiting block 31 is blocked into the limiting groove 411.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The firing safety mechanism of the electric endoscope anastomat comprises a shell, an installation framework positioned in the shell and a rack connected with a firing rod, wherein the rack is slidably installed on the installation framework; the safety button and the safety locking plate are both slidably arranged on the mounting framework; one side of the upper end of the safety locking plate is provided with a limiting groove, and the bottom of the rack is provided with a limiting block matched with the limiting groove.

2. The firing safety mechanism of the electric endoscope anastomat according to claim 1, wherein the safety button comprises a sliding rod which is transversely arranged, a driving block which is positioned on the side wall of the middle part of the sliding rod, and pressing convex blocks which are positioned at two ends of the sliding rod; the pressing projection protrudes outside the housing.

3. The firing safety mechanism of the electric endoscope anastomat according to claim 2, wherein two symmetrically arranged guide blocks are formed on one side of the safety locking plate; a first guide inclined plane is formed on one side, close to each other, of each guide block, a clamping groove is formed on the top of each guide block, and a second guide inclined plane is formed on the side wall of each clamping groove; the distance between the two first guide inclined planes gradually decreases from top to bottom; and third guide inclined planes matched with the two first guide inclined planes are respectively formed on two sides of the driving block.

4. The firing safety mechanism of an electric endoscopic stapler of claim 3, wherein said safety assembly further comprises a spring coupled to a bottom portion of said safety locking tab.

5. The firing safety mechanism of an electric endoscopic stapler of claim 2, wherein said safety assembly further comprises a sound activated switch mounted on a circuit board inside said housing; the connecting rod is characterized in that a connecting column contacted with the sound trigger switch is formed on the sliding rod, a connecting groove is formed in the middle of the top of the connecting column, a connecting convex strip matched with the connecting groove is formed at the bottom of the sound trigger switch, and the inner wall of the connecting groove is in a smooth arc shape.

6. The firing safety mechanism of the electric endoscope anastomat according to claim 2, wherein the slide bar is further provided with two positioning blocks, and a positioning groove matched with the limiting block is formed between the two positioning blocks.