CN217219180U - Catheter release handle and high-frequency treatment instrument - Google Patents

Abstract

The utility model provides a catheter release handle and a high-frequency treatment apparatus, relating to the technical field of medical apparatus, wherein the catheter release handle comprises a shell and a push button which is connected with the shell in a sliding way; the shell is provided with a near-end limiting groove and a far-end limiting groove along the sliding direction of the push button; the push button is provided with a limit boss, and the push button can generate elastic deformation under the action of external force pressing so as to enable the limit boss to be clamped into or separated from the near-end limit groove or the far-end limit groove. The high frequency treatment instrument includes a catheter release handle. The technical problem that the situation that misoperation occurs due to unreasonable arrangement of a push-out or push-in button on a handle of a high-frequency instrument in the prior art and serious consequences are caused is solved, and the technical effect of avoiding misoperation is achieved.

Description

Catheter release handle and high-frequency treatment instrument

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a pipe release handle and high frequency processing apparatus are related to.

Background

Endoscopic Submucosal Dissection (ESD) refers to an Endoscopic minimally invasive technique that uses high frequency instruments to perform submucosal dissection of lesions larger than 2 cm. Compared with the traditional surgical operation, the ESD can well protect the physiological function of the digestive tract on the basis of radical treatment of tumors, obviously improves the postoperative life quality of patients, and becomes the first choice for treating early cancers and precancerous lesions of the digestive tract including esophagus at present.

The ESD is to output high-frequency current through external equipment, form a loop through a human body, and form high-density current at a cutter wire part with a small sectional area to realize cutting. In specific use, the electrode is pushed out and retracted through a pushing out or pushing in button on the handle, so that a series of surgical operations are realized.

However, the push-out or push-in button on the handle of the existing high-frequency instrument is not reasonable in arrangement, so that misoperation can occur, and serious consequences can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe release handle and high frequency treatment apparatus to release or impel the button setting on alleviating the handle of the high frequency apparatus that exists among the prior art unreasonably, there is the condition of maloperation to take place, and then causes the technical problem of serious consequence.

In a first aspect, the present invention provides a catheter release handle comprising: the push button is connected to the shell in a sliding mode; the shell is provided with a near-end limiting groove and a far-end limiting groove along the sliding direction of the push button; the push button is provided with a limit boss, and the push button can generate elastic deformation under the action of external force pressing so as to enable the limit boss to be clamped into or separated from the near-end limit groove or the far-end limit groove.

Furthermore, a deformation area is arranged at one end, far away from the limiting boss, of the pushing key; one end of the push button, which is provided with the limiting boss, can enable the deformation area to elastically deform under the action of external force pressing, so that the limiting boss moves downwards.

Furthermore, the push button comprises a vertical rod part and a horizontal rod part; the vertical rod part is positioned at the far end of the transverse rod part, and the limiting boss is positioned at the near end of the transverse rod part; and a low-strength opening is formed in the joint of the vertical rod part and the transverse rod part along the sliding direction so as to form the deformation area.

Furthermore, the shell is provided with a long-strip-shaped sliding groove in sliding fit with the cross rod part.

Furthermore, a pushing part is arranged at the top of the cross rod part and is positioned on the outer side of the sliding groove.

Further, the low-strength opening is of a groove structure.

Furthermore, the push button comprises a vertical rod part and a push part, the vertical rod part is positioned at the far end of the push part, and the limit boss is positioned at the near end of the push part; the bottom surface of the pushing part is an inclined plane which is gradually inclined downwards from the near end to the far end.

Furthermore, the bottom surface of the limiting boss is lower than the side wall of the groove of the low-strength opening.

Further, a near-end stroke limit stop, a far-end stroke limit stop, a near-end protection limit stop and a far-end protection limit stop are arranged on the shell; the near-end travel limit stop block and the near-end protection limit stop block are arranged at intervals, and a near-end limit groove is formed between the near-end travel limit stop block and the near-end protection limit stop block and the wall surface of the shell in a surrounding manner; the far-end travel limit stop and the far-end protection limit stop are arranged at intervals and form a far-end limit groove with the wall surface of the shell in a surrounding mode.

Furthermore, the limiting boss comprises an upper boss part and a lower boss part, and a limiting surface is formed at the joint of the upper boss part and the lower boss part; when the push button is in an initial state, the plane of the limiting surface is higher than the planes of the notches of the near-end limiting groove and the far-end limiting groove.

Further, the side surface of the lower boss portion opposite to the sliding direction is a guide inclined surface or a guide arc surface, and the cross section of the lower boss portion is an inverted trapezoidal section.

Furthermore, the side surface of the far-end travel limit stop block opposite to the sliding direction is a guide inclined surface or a guide arc surface; and/or the side surface of the near-end protection limit stop block opposite to the sliding direction is a guide inclined surface or a guide arc surface.

Has the advantages that:

the utility model provides a catheter release handle, casing are equipped with near-end spacing groove and distal end spacing groove along the slip direction of propelling movement button, when needing propelling movement catheter, can promote the gliding along the casing of propelling movement button, when moving to distal end spacing groove department, can press the propelling movement button, make it produce elastic deformation down, thereby make spacing boss card go into distal end spacing groove, in order to realize the propelling movement of catheter; after the catheter is used, the pushing button can be continuously pressed to generate elastic deformation, so that the limiting boss is separated from the far-end limiting groove, the pushing button can be pushed to slide along the shell in the reverse direction at the moment, the operation of pressing the pushing button is repeated, and the limiting boss can be clamped into the near-end limiting groove to achieve the retraction of the catheter.

Therefore, the catheter release handle is additionally provided with the near-end limiting groove and the far-end limiting groove, and the near-end limiting groove and the far-end limiting groove are matched with the limiting boss, so that the sliding of the push button can be limited, the catheter can be accurately pushed out and withdrawn, the misoperation condition is prevented, and the safety in the actual operation process is improved.

In a second aspect, the present invention provides a high-frequency treatment device, comprising: the catheter release handle of any of the preceding embodiments.

Has the advantages that:

the utility model provides a high frequency treatment apparatus includes aforementioned catheter release handle, from this, technical advantage and effect that this high frequency treatment apparatus can reach include technical advantage and effect that catheter release handle can reach equally, no longer give consideration to here.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a catheter release handle provided by an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view of the catheter release handle;

FIG. 3 is a schematic structural diagram of a push button;

fig. 4 is a schematic structural view of a catheter release handle according to an embodiment of the present invention;

fig. 5 is a partial schematic structural view of a catheter release handle according to an embodiment of the present invention;

FIG. 6 is an enlarged partial schematic view of FIG. 5 at A;

fig. 7 is a front view of fig. 6.

Icon:

100-a housing; 110-a proximal end limiting groove; 120-distal end limiting groove; 130-a chute; 111-a proximal travel limit stop; 112-proximal guard bump stops; 121-distal travel limit stop; 122-distal protective limit stops;

200-push buttons; 210-a limit boss; 220-a vertical rod part; 230-a crossbar portion; 240-low intensity opening; 250-a pushing part; 211-an upper boss portion; 212-lower boss portion; 213-a limiting surface; 251-inclined plane.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 to 3, the present embodiment provides a catheter release handle, which includes a housing 100 and a push button 200 slidably connected to the housing 100; the casing 100 is provided with a proximal limiting groove 110 and a distal limiting groove 120 along the sliding direction of the push button 200; the push button 200 is provided with a limit boss 210, and the push button 200 can elastically deform under the action of external force pressing, so that the limit boss 210 is clamped into or separated from the proximal limit groove 110, or clamped into or separated from the distal limit groove 120.

In the catheter release handle of the embodiment, the casing 100 is provided with the proximal limiting groove 110 and the distal limiting groove 120 along the sliding direction of the push button 200, when the catheter needs to be pushed, the push button 200 can be pushed to slide along the casing 100, and when the catheter moves to the distal limiting groove 120, the push button 200 can be pressed to generate elastic deformation under the push button, so that the limiting boss 210 is clamped into the distal limiting groove 120, and the pushing of the catheter is realized; after use, the pushing button 200 may be continuously pressed to generate elastic deformation, so that the limiting boss 210 is separated from the distal limiting groove 120, at this time, the pushing button 200 may be pushed to slide along the casing 100 in the reverse direction, and the operation of repeatedly pressing the pushing button 200 may cause the limiting boss 210 to be clamped into the proximal limiting groove 110, so as to achieve retraction of the catheter.

Therefore, the catheter release handle is additionally provided with the proximal limiting groove 110 and the distal limiting groove 120, and the proximal limiting groove 110 and the distal limiting groove 120 are matched with the limiting boss 210, so that the sliding of the push button 200 can be limited, the catheter can be accurately pushed out and withdrawn, the misoperation condition is prevented, and the safety in the actual operation process is improved.

Further, a deformation area is arranged at one end of the push button 200 away from the limit boss 210; the end of the push button 200, which is provided with the limiting boss 210, can elastically deform the deformation region under the action of external force pressing, so that the limiting boss 210 moves downwards.

Specifically, referring to fig. 2 and 3, the push button 200 includes a stem portion 220 and a crossbar portion 230; the vertical rod part 220 is positioned at the far end of the horizontal rod part 230, and the limit boss 210 is positioned at the near end of the horizontal rod part 230; the connection between the vertical rod part 220 and the horizontal rod part 230 is opened with a low strength opening 240 along the sliding direction to form the above deformation region.

In short, since the strength of the joint between the vertical rod 220 and the horizontal rod 230 is low, when the limiting boss 210 of the push button 200 is pressed, the joint between the vertical rod 220 and the horizontal rod 230 is deformed, so that the limiting boss 210 moves downward, and the limiting boss can be inserted into or separated from the proximal limiting groove 110, or inserted into or separated from the distal limiting groove 120. Conversely, when the pressing force is released, that is, the push button 200 is released, the deformation region is moved upward or tilted in the process of returning to the initial state under the reaction force of the elastic deformation.

In this embodiment, the low-strength opening 240 may be provided as a groove structure.

Referring to fig. 4, the casing 100 is provided with an elongated sliding groove 130 slidably engaged with the cross bar portion 230, and the sliding groove 130 plays a certain role in fixing and guiding the sliding of the push button 200, thereby further reducing the occurrence of misoperation.

Further, referring to fig. 3 and 4, the top of the cross bar 230 is provided with a pushing portion 250, and the pushing portion 250 is located at the outer side of the sliding slot 130, so as to be convenient for an operator to use to push the pushing button 200.

Referring to fig. 3, the bottom surface of the pushing portion 250 is an inclined plane 251 which is gradually inclined downward from the proximal end to the distal end, so that the pushing button 200 can form a stroke for pressing; optionally, the push button 200 of this embodiment may be made of a plastic material.

With reference to fig. 3, the bottom surface of the limiting boss 210 is lower than the sidewall of the low-strength opening 240, so that the limiting boss 210 can be easily inserted into or separated from the corresponding proximal limiting groove 110 or distal limiting groove 120 while the deformation region is elastically deformed.

In other embodiments, the push button 200 includes a vertical rod 220 and a push part 250, the vertical rod 220 is located at a distal end of the push part 250, and the limit boss 210 is located at a proximal end of the push part 250; the bottom surface of the pushing part 250 is an inclined plane gradually inclined downwards from the proximal end to the distal end, and thus, the end of the pushing part, which is not provided with the upright rod part 220, can have a downward movement space.

In one embodiment of the present application, referring to fig. 2, the housing 100 is provided with a proximal travel limit stop 111, a distal travel limit stop 121, a proximal guard limit stop 112 and a distal guard limit stop 122; the proximal travel limit stopper 111 and the proximal protection limit stopper 112 are arranged at intervals, and a proximal limit groove 110 is defined between the proximal travel limit stopper 111 and the wall surface of the shell 100; the distal travel limit stop 121 and the distal protection limit stop 122 are disposed at intervals, and a distal limit groove 120 is defined between the distal travel limit stop 121 and the wall surface of the housing 100.

Specifically, the proximal end bump stopper 111, the distal end bump stopper 121, the proximal end protection bump stopper 112, and the distal end protection bump stopper 122 protrude from the top wall of the housing 100 and extend inward.

Referring to fig. 5 and 6, the limit boss 210 includes an upper boss portion 211 and a lower boss portion 212, a connection of which forms a limit surface 213; in the initial state of the push button 200, the plane of the limiting surface 213 is higher than the planes of the notches of the proximal limiting groove 110 and the distal limiting groove 120.

In a specific use process, when the plane of the limiting surface 213 is higher than the plane of the notch of the proximal limiting groove 110, the catheter is in a withdrawing state; when the plane of the limiting surface 213 is higher than the plane of the notch of the distal limiting groove 120, the catheter is in a pushing-out state.

When the plane of the stopper surface 213 is lower than the plane of the notch of the proximal stopper groove 110, the lower boss portion 212 can escape from the proximal stopper groove 110; similarly, the lower boss portion 212 may be disengaged from the distal end limiting groove 120 when the plane of the limiting surface 213 is lower than the plane of the notch of the distal end limiting groove 120.

In the present embodiment, the side of the lower boss portion 212 opposite to the sliding direction is a guide slope or a guide arc, and the cross section of the lower boss portion 212 is an "inverted" trapezoidal section; the opposite side of the far end travel limit stop 121 along the sliding direction is a guide inclined plane or a guide arc surface; the opposite side of the proximal protection limit stop 112 along the sliding direction is a guiding inclined surface or a guiding arc surface, so that the lower boss portion 212 can reduce the friction force between the proximal limit groove 110 and the distal limit groove 120 during the process of passing over the two grooves, so as to facilitate the movement of the push button 200.

Referring to fig. 2 and 7, fig. 7 shows the lower boss 212 engaged in the proximal restraint slot 110, with the catheter in a retracted state, and pushing down on the push button 200 causes the lower boss 212 to move downward and over the proximal guard stop 112, whereupon the push button 200 is released, pushing the push button 200 on to move along the chute 130, and as the distal guard stop 122 approaches, pushing down on the push button 200 causes the lower boss 212 to move downward and over the distal guard stop 122, causing the lower boss 212 to engage in the distal restraint slot 120, with the catheter in an extended or pushed-out state.

The present embodiment also provides a high-frequency treatment instrument including the catheter release handle of the foregoing embodiment. The high-frequency treatment device provided by the present embodiment includes the aforementioned catheter release handle, and therefore, the technical advantages and effects that can be achieved by the high-frequency treatment device also include the technical advantages and effects that can be achieved by the catheter release handle, which will not be described herein again.

It should be noted that the high-frequency treatment instrument further comprises an insertion portion, and an electrode portion is provided at a distal end of the insertion portion, wherein specific connection relationship between the insertion portion and the catheter release handle can be found in the prior art, which is clear and can be realized by those skilled in the art, and detailed description thereof is omitted here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (12)

1. A catheter release handle, comprising: the push button comprises a shell (100) and a push button (200) connected to the shell (100) in a sliding mode;

the shell (100) is provided with a near-end limiting groove (110) and a far-end limiting groove (120) along the sliding direction of the push button (200);

the push button (200) is provided with a limit boss (210), and the push button (200) can generate elastic deformation under the action of external force pressing, so that the limit boss (210) is clamped into or separated from the near-end limit groove (110), or clamped into or separated from the far-end limit groove (120).

2. The catheter release handle according to claim 1, wherein the push button (200) is provided with a deformation region at an end thereof remote from the limit boss (210);

one end of the push button (200) provided with the limiting boss (210) can enable the deformation area to be elastically deformed under the action of external force pressing, so that the limiting boss (210) moves downwards.

3. The catheter release handle of claim 2 wherein the push button (200) comprises a stem portion (220) and a crossbar portion (230);

the vertical rod part (220) is positioned at the far end of the transverse rod part (230), and the limiting boss (210) is positioned at the near end of the transverse rod part (230);

and a low-strength opening (240) is formed at the joint of the vertical rod part (220) and the transverse rod part (230) along the sliding direction so as to form the deformation area.

4. The catheter release handle according to claim 3, wherein the housing (100) is provided with an elongated runner (130) that slidably engages the crossbar portion (230).

5. The catheter release handle of claim 4 wherein the top of the crossbar portion (230) is provided with a push portion (250), the push portion (250) being located outside of the chute (130).

6. The catheter release handle of claim 3 wherein the low strength opening (240) is a slot structure.

7. The catheter release handle of claim 2 wherein the push button (200) comprises a stem portion (220) and a push portion (250), the stem portion (220) being located at a distal end of the push portion (250), the stop boss (210) being located at a proximal end of the push portion (250);

the bottom surface of the pushing part (250) is an inclined plane (251) which is gradually inclined downwards from the near end to the far end.

8. The catheter release handle according to any of claims 1-7 wherein the housing (100) is provided with a proximal travel stop (111), a distal travel stop (121), a proximal guard stop (112) and a distal guard stop (122);

the near-end travel limit stop (111) and the near-end protection limit stop (112) are arranged at intervals, and the near-end travel limit stop and the near-end protection limit stop (112) and the wall surface of the shell (100) enclose a near-end limit groove (110);

the far-end travel limit stop (121) and the far-end protection limit stop (122) are arranged at intervals, and the far-end travel limit stop and the far-end protection limit stop (122) and the wall surface of the shell (100) enclose to form the far-end limit groove (120).

9. The catheter release handle of claim 8 wherein the stop boss (210) comprises an upper boss portion (211) and a lower boss portion (212) joined to form a stop surface (213);

in the initial state of the push button (200), the plane of the limiting surface (213) is higher than the planes of the notches of the near-end limiting groove (110) and the far-end limiting groove (120).

10. The catheter release handle according to claim 9, wherein the side of the lower boss portion (212) opposite in the sliding direction is a guide slope or a guide arc, and the lower boss portion (212) has an "inverted" trapezoidal section in cross section.

11. The catheter release handle of claim 8 wherein the side of the distal travel stop (121) opposite the sliding direction is a guide ramp or guide arc;

and/or the side surface of the proximal protection limit stop (112) opposite to the sliding direction is a guide inclined surface or a guide arc surface.

12. A high-frequency treatment apparatus, comprising: the catheter release handle of any one of claims 1-11.

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