CN220344477U - Electrotome with adsorption tube - Google Patents

Abstract

The utility model discloses an electric knife with an adsorption pipe, which comprises an electric knife main body (1), wherein an adsorption hose (2) is arranged in the electric knife main body (1), and the adsorption end of the adsorption hose (2) is positioned at the side part of the cutting end of the electric knife main body (1); the end part of the electrotome main body (1) is provided with an insertion tube cavity (3) communicated with the outside, the inner end surface of the insertion tube cavity (3) is provided with a sliding tube (4) in sliding connection, the outer end of the sliding tube (4) is provided with a first round table lug (5), and the inner end surface of the insertion tube cavity (3) is also provided with a second round table lug (6) for enclosing the sliding tube (4); the utility model can be used for rapidly connecting the negative pressure suction pipe and the suction hose, is convenient for disassembly and assembly, and has good practicability and use convenience.

Description

Electrotome with adsorption tube

Technical Field

The utility model relates to the field of medical appliances, in particular to an electrotome with an adsorption tube.

Background

A high-frequency electric knife (high-frequency surgical instrument) is an electrosurgical instrument that performs tissue cutting instead of a mechanical surgical knife. The high-frequency high-voltage current generated by the tip of the effective electrode is used for heating tissues when contacting with a human body, so that separation and solidification of the tissues of the human body are realized, the purposes of cutting and hemostasis are achieved, waste blood and waste gas are easy to generate in the operation process, the waste blood and waste gas are not prevented from influencing the subsequent normal cutting, a plurality of electric knives with air suction pipes appear on the market, for example, chinese patent publication No. CN204484298U discloses a high-frequency electric knife, and the high-frequency electric knife particularly comprises a knife handle, an air suction port, an air suction channel, a negative pressure adsorber and other parts.

Disclosure of Invention

The utility model aims to provide an electric knife with an adsorption tube. The utility model can be used for rapidly connecting the negative pressure suction pipe and the suction hose, is convenient for disassembly and assembly, and has good practicability and use convenience.

The technical scheme of the utility model is as follows: an electric knife with an adsorption tube comprises an electric knife main body, wherein an adsorption hose is arranged in the electric knife main body, and the adsorption end of the adsorption hose is positioned at the side part of the cutting end of the electric knife main body; the end part of the electrotome main body is provided with an insertion pipe cavity communicated with the outside, the inner end surface of the insertion pipe cavity is provided with a sliding pipe in sliding connection, the outer end of the sliding pipe is provided with a first round table convex block, the inner end surface of the insertion pipe cavity is also provided with a second round table convex block for enclosing the sliding pipe, the small round surface of the second round table convex block is opposite to the small round surface of the first round table convex block, a reset spring is arranged between the first round table convex block and the second round table convex block, and clamping gaps are reserved between the side parts of the first round table convex block and the second round table convex block and the inner wall of the insertion pipe cavity; the outer side surface of the electric knife main body is provided with a movable locking mechanism connected with the sliding pipe.

In the electric knife with the adsorption tube, the inner end of the sliding tube is positioned in the inner cavity of the electric knife main body, and the end part of the adsorption hose is connected with the inner end of the sliding tube; the movable locking mechanism comprises a sliding block arranged at the inner end of the sliding tube, a sliding groove matched with the sliding block is formed in the outer side face of the electric knife body, connecting threads are formed in one side of the sliding groove, a compression ring matched with the threads is arranged on the connecting threads, and the compression ring is opposite to the sliding block in position.

In the electric knife with the adsorption tube, the outer end face of the first round table protruding block protrudes out of the end of the electric knife body.

In the electric knife with the adsorption tube, the outer end corner of the first round table lug is provided with an arc transition.

In the electric knife with the adsorption tube, the adsorption hose is made of nonmetallic memory material.

Compared with the prior art, the utility model has the following beneficial effects:

1. the electric knife body is internally provided with the adsorption hose, and the adsorption end of the adsorption hose is positioned at the side part of the cutting end of the electric knife body; the end part of the electrotome main body is provided with an insertion pipe cavity communicated with the outside, the inner end surface of the insertion pipe cavity is provided with a sliding pipe in sliding connection, the outer end of the sliding pipe is provided with a first round table convex block, the inner end surface of the insertion pipe cavity is also provided with a second round table convex block for enclosing the sliding pipe, the small round surface of the second round table convex block is opposite to the small round surface of the first round table convex block, a reset spring is arranged between the first round table convex block and the second round table convex block, and clamping gaps are reserved between the side parts of the first round table convex block and the second round table convex block and the inner wall of the insertion pipe cavity; the outer side surface of the electric knife main body is provided with a movable locking mechanism connected with the sliding pipe; when the suction tube of the negative pressure suction device is fully inserted into the cannula cavity, then the sliding tube is pulled to move inwards through the moving locking mechanism, the first round table convex block and the second round table convex block are close to each other when moving inwards, the clamping gap formed by the edge of the first round table convex block and the inner wall of the cannula cavity is gradually reduced, the suction tube on the outer side is further extruded and limited, the suction tube is pushed inwards by friction force generated after extrusion along with continuous movement, the inner end of the suction tube is fully clamped into the clamp and the gap between the second round table convex block and the inner wall of the cannula cavity, the inner end of the suction tube is also extruded and fixed, the connecting part of the suction tube is fully expanded when being reliably fixed, and the connecting part of the suction tube is not easy to bend, so that normal adsorption operation is influenced, and the use reliability is good; after the use is completed, the back-moving locking mechanism is unlocked, and the reset spring pushes out the first round table convex block again after the suction tube is pulled out, so that the connection of the next time is convenient, and the disassembly and the assembly are convenient.

2. The inner end of the sliding tube is positioned in the inner cavity of the electric knife main body, and the end part of the adsorption hose is connected with the inner end of the sliding tube; the movable locking mechanism comprises a sliding block arranged at the inner end of the sliding tube, a sliding groove matched with the sliding block is formed in the outer side face of the electric knife body, connecting threads are formed in one side of the sliding groove, a compression ring matched with the threads is arranged on the connecting threads, the compression ring is opposite to the sliding block in position, the compression ring is screwed to enable the compression ring to move on the connecting threads during use, the sliding block is further extruded to move inwards, and the threaded matching mode ensures sufficient fixing reliability and use convenience.

3. The adsorption hose is made of a nonmetallic memory material, can be bent into any state, and can be broken off to deform, so that the adsorption end of the adsorption hose is sucked towards any position, various requirements in the operation process are met, and the convenience of use is improved; the electric knife is not required to be fixed by an operator, and meanwhile, nonmetal cannot act on the electric knife, so that the convenience and the reliability of use are further improved.

Drawings

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

FIG. 2 is a schematic view of the cannula lumen;

FIG. 3 is a schematic view of the structure of the mobile locking mechanism;

fig. 4 is a schematic cross-sectional structure of the movement lock mechanism.

The marks in the drawings are: 1-an electrotome body; 2-adsorbing a hose; 3-a cannula lumen; 4-sliding tube; 5-a first round table lug; 6-a second round table lug; 7-a return spring; 8-a clamping gap; 9-a movement locking mechanism; 10-sliding blocks; 11-a chute; 12-connecting threads; 13-a compression ring.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples: an electric knife with an adsorption tube is shown in fig. 1, and comprises an electric knife main body 1, wherein an adsorption hose 2 is arranged in the electric knife main body 1, and the adsorption end of the adsorption hose 2 is positioned at the side part of the cutting end of the electric knife main body 1; as shown in fig. 2 to fig. 4, the end of the electrotome main body 1 is provided with an insertion tube cavity 3 communicated with the outside, the inner end surface of the insertion tube cavity 3 is provided with a sliding tube 4 in sliding connection, the outer end of the sliding tube 4 is provided with a first round table convex block 5, the inner end surface of the insertion tube cavity 3 is also provided with a second round table convex block 6 which surrounds the sliding tube 4, the small round surface of the second round table convex block 6 is opposite to the small round surface of the first round table convex block 5, a reset spring 7 is arranged between the first round table convex block 5 and the second round table convex block 6, and a clamping gap 8 is formed between the side parts of the first round table convex block 5 and the second round table convex block 6 and the inner wall of the insertion tube cavity 3; the outer side surface of the electric knife main body 1 is provided with a movable locking mechanism 9 connected with the sliding tube 4; the inner end of the sliding tube 4 is positioned in the inner cavity of the electrotome main body 1, and the end part of the adsorption hose 2 is connected with the inner end of the sliding tube 4; the movable locking mechanism 9 comprises a sliding block 10 arranged at the inner end of the sliding tube 4, a sliding groove 11 matched with the sliding block 10 is arranged on the outer side surface of the electric knife main body 1, a connecting thread 12 is arranged on one side of the sliding groove 11, a compression ring 13 matched with the connecting thread 12 is arranged on the connecting thread 12, and the compression ring 13 is opposite to the sliding block 10 in position; the outer end surface of the first round table convex block 5 protrudes out of the end part of the electrotome main body 1, so that enough clamping gaps are ensured to be inserted into the suction tube; the corners of the outer ends of the first round table convex blocks 5 are provided with arc transitions; the adsorption hose 2 is made of a nonmetallic memory material, and is commercially available, and will not be described in detail herein.

Working principle: when the suction tube of the negative pressure suction device is fully inserted into the cannula cavity, then the sliding tube is pulled to move inwards through the moving locking mechanism, the first round table convex block and the second round table convex block are close to each other when moving inwards, the clamping gap formed by the edge of the first round table convex block and the inner wall of the cannula cavity is gradually reduced, the suction tube on the outer side is further extruded and limited, the suction tube is pushed inwards by friction force generated after extrusion along with continuous movement, the inner end of the suction tube is fully clamped into the clamp and the gap between the second round table convex block and the inner wall of the cannula cavity, the inner end of the suction tube is also extruded and fixed, the connecting part of the suction tube is fully expanded when being reliably fixed, and the connecting part of the suction tube is not easy to bend, so that normal adsorption operation is influenced, and the use reliability is good; after the connection is completed, the adsorption hose can be broken off to deform, so that the adsorption end of the adsorption hose can be sucked towards any position, various requirements in the operation process are met, and the convenience of use is improved; after the use is completed, the back-moving locking mechanism is unlocked, and the reset spring pushes out the first round table convex block again after the suction tube is pulled out, so that the connection of the next time is convenient, and the disassembly and the assembly are convenient.

The above examples only show embodiments of the present utility model, which are described in more detail and detail, but are not to be construed as limiting the scope of the utility model, and in the present examples, the upper, lower, left, right, front, and rear represent only relative positions thereof and do not represent absolute positions thereof. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (4)

1. An electrotome with adsorption tube, its characterized in that: the electric knife comprises an electric knife body (1), wherein an adsorption hose (2) is arranged in the electric knife body (1), and the adsorption end of the adsorption hose (2) is positioned at the side part of the cutting end of the electric knife body (1); the electric knife is characterized in that an insertion tube cavity (3) communicated with the outside is formed in the end portion of the electric knife main body (1), a sliding tube (4) in sliding connection is arranged on the inner end face of the insertion tube cavity (3), a first round table protruding block (5) is arranged at the outer end of the sliding tube (4), a second round table protruding block (6) surrounding the sliding tube (4) is further arranged on the inner end face of the insertion tube cavity (3), the small round surface of the second round table protruding block (6) is opposite to the small round surface of the first round table protruding block (5), a reset spring (7) is arranged between the first round table protruding block (5) and the second round table protruding block (6), and clamping gaps (8) are formed between the side portions of the first round table protruding block (5) and the second round table protruding block (6) and the inner wall of the insertion tube cavity (3); the outer side surface of the electrotome main body (1) is provided with a movable locking mechanism (9) connected with the sliding tube (4); the inner end of the sliding tube (4) is positioned in the inner cavity of the electrotome main body (1), and the end part of the adsorption hose (2) is connected with the inner end of the sliding tube (4); the movable locking mechanism (9) comprises a sliding block (10) arranged at the inner end of the sliding tube (4), a sliding groove (11) matched with the sliding block (10) is formed in the outer side face of the electric knife main body (1), connecting threads (12) are formed in one side of the sliding groove (11), a compression ring (13) in threaded fit is arranged on the connecting threads (12), and the compression ring (13) is opposite to the sliding block (10).

2. The electric knife with suction tube according to claim 1, wherein: the outer end face of the first round table convex block (5) protrudes out of the end part of the electric knife main body (1).

3. The electric knife with suction tube according to claim 1, wherein: the corners of the outer ends of the first round table convex blocks (5) are provided with arc transition.

4. The electric knife with suction tube according to claim 1, wherein: the adsorption hose (2) is made of nonmetallic memory material.