CN219070614U

CN219070614U - Surgical electrode with quantitative telescopic function

Info

Publication number: CN219070614U
Application number: CN202222483593.4U
Authority: CN
Inventors: 桑建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-05-26
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a surgical electrode with a quantitative telescopic function, which comprises a shell, a fixing seat connected with the shell, an electrode assembly movably arranged in the shell and an extrusion assembly connected with the electrode assembly, wherein the fixing seat is connected with the shell; the electrode assembly comprises a sleeve and a probe penetrating through the sleeve, and two ends of the sleeve are connected with the extrusion assembly; the extrusion component comprises a pressing component exposed out of the shell and an extrusion component arranged between the fixing seat and the electrode component, and the pressing component is in transmission connection with the extrusion component through a sleeve; the extrusion part is close to or far away from the extrusion channel, so that the extrusion part limits or releases the current position of the probe.

Description

Surgical electrode with quantitative telescopic function

Technical Field

The utility model relates to the field of medical appliances, in particular to a surgical electrode with a quantitative telescopic function.

Background

The current operation electrode is also called an electrotome and is used for cutting tissues and electrocoagulation hemostasis, and particularly, the high-frequency generator of the operation electrode outputs high-frequency current, so that the temperature of the contact part of the knife-shaped electrode of the operation electrode and the body tissues is increased, and lesion tissues are gradually and mechanically atrophied until closing is disappeared, thereby achieving the purposes of cutting the lesion tissues and eliminating symptoms. The operation electrode has the advantages of small bleeding amount, no damage to the organism, quick operation progress and the like, so the operation electrode is widely used in surgical operation to cure the patient pain and reduce the pain of the patient.

For example, a "disposable telescopic high-frequency surgical electrode" disclosed in chinese patent literature, its publication number is "CN203263528U", which includes a wire plug, a wire, a circuit board plug-in connection assembly, and a telescopic electrode blade sliding assembly connected in sequence, and further includes a case structure composed of a face-piece assembly and a bottom case; the telescopic electrode tool bit sliding assembly comprises a telescopic electrode tool bit, a contact spring plate and an electrode tool bit sliding sleeve, wherein the tail end of the telescopic electrode tool bit is connected with the contact spring plate, and the lower part of the telescopic electrode tool bit is accommodated in the electrode tool bit sliding sleeve.

But there are drawbacks in the prior art,

1. the fixation of the surgical electrode probe after telescoping relies on the adhesive force of a silica gel ring completely, when the force of the probe in operation is greater than the friction force of the silica gel ring, the probe is easy to loosen and retract, so that the risk of operation is caused.

2. When the number of bleeding points in a single operation is large, the phenomenon that the service life of the operation electrode is shortened due to stress fatigue loosening of the silica gel ring can occur after the probe is repeatedly and manually stretched.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a surgical electrode with a quantitative telescopic function, which solves the technical problems by adopting the following technical scheme:

the surgical electrode with the quantitative telescopic function comprises a shell, a fixing seat connected with the shell, an electrode assembly movably arranged in the shell and an extrusion assembly connected with the electrode assembly; the electrode assembly comprises a sleeve and a probe penetrating through the sleeve, and two ends of the sleeve are connected with the extrusion assembly; the extrusion assembly comprises a pressing part exposed out of the shell and an extrusion part arranged between the fixing seat and the electrode assembly, and the pressing part is in transmission connection with the extrusion part through a sleeve; and the extrusion part is close to or far away from the extrusion channel, so that the extrusion part limits or releases the current position of the probe.

Preferably, the extrusion channel profile tapers in a direction away from the extrusion part. Through above improvement, the extrusion part moves towards the extrusion channel under the pushing of the sleeve pipe, and the periphery of the extrusion channel gradually becomes smaller, so that the extrusion part holds the probe tightly, and the probe is fixed in the sleeve pipe.

Preferably, the extrusion part comprises a silica gel ring and a sleeve ring which are sleeved on the probe, the sleeve ring is propped against the sleeve, the silica gel ring is attached to the sleeve ring, and the silica gel ring is propped against the extrusion channel and is tightly held by the probe. Through above improvement, the sleeve ring pushes the silica gel ring to the extrusion channel, so that the peripheral side of the silica gel ring is extruded by the extrusion channel, and the silica gel ring holds the probe tightly.

Preferably, an elastic element is arranged in the fixing seat, one end of the elastic element is abutted with the fixing seat, and the other end of the elastic element is abutted with the extrusion part. Through above improvement, the elastic element exerts axial force to the extrusion assembly, makes the extrusion assembly extrude the probe, and loosens the probe and stretches out and draws back when, it is lighter.

Preferably, the pressing part comprises a knob, a rotating head and a rotating sleeve, wherein the knob is arranged on the shell in a rotating mode, the rotating head is inserted into the knob in a plugging mode, the rotating sleeve is fixed in the shell, external threads are formed on the rotating head, internal threads are formed on the rotating sleeve, and the rotating head rotates in the rotating sleeve to push the sleeve to move. Through above improvement, rotate the knob and make the rotating head rotate in rotating the cover, rotate the cover through with the sleeve between screw-thread fit, promote the sleeve activity, realize holding tightly and releasing the probe.

Preferably, a rotating cavity is formed in the shell, and the rotating shaft is arranged in the rotating cavity. Through the improvement, the knob rotates on the shell, and the position is unchanged.

Preferably, a rectangular groove is formed on the knob, a rectangular boss is formed on the rotary head, and the rectangular boss is inserted into the rectangular groove. Through the improvement, the rectangular groove drives the rectangular boss to rotate, and the boss slides in the groove along with the rotation, so that the telescopic control of the sleeve is realized.

Preferably, a connector is arranged on the sleeve, a clamping table is formed on the connector, and the clamping table is connected with the pressing component. Through above improvement, go into the rotating head with the joint platform card on the connector, realize pressing part and sheathed tube connection, and when needing to dismantle, more convenient, swift.

Preferably, a through hole is formed on the connector, a corresponding pin hole is formed on the sleeve, and the connector is fixed with the sleeve through a pin shaft. Through above improvement, use the round pin axle to pass connector and sleeve pipe and connect it, only need take out the round pin axle when will dismantling, it is more convenient.

Preferably, an adjusting channel communicated with the extrusion channel is further arranged in the fixing seat, and the section of the adjusting channel is matched with the maximum section of the extrusion channel. By the improvement, the probe can be adjusted randomly when the extrusion part is in the adjusting channel.

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

1. the knob is arranged on the operation electrode, and the silica gel ring is extruded in a transmission way by quantitatively rotating the knob, so that the silica gel ring can be clamped with the probe, and the loosening phenomenon can not occur in the operation process;

2. when the length of the probe needs to be readjusted, the knob is reversely rotated quantitatively, the gap between the silica gel ring and the probe is completely loosened, and the extension length of the probe is freely adjusted;

3. the friction force in the probe telescoping process is reduced, the stress fatigue of the silica gel ring is avoided, and the service life of the electrode is greatly prolonged.

Drawings

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

FIG. 2 is a cross-sectional view of the overall structure of the present utility model;

FIG. 3 is an exploded view of the bushing and compression assembly of the present utility model;

FIG. 4 is a cross-sectional view of a mounting bracket of the present utility model;

FIG. 5 is an enlarged partial cross-sectional view of the present utility extrusion assembly mated with a sleeve;

in the figure: 1. a housing; 2. a fixing seat; 3. an electrode assembly; 4. an extrusion assembly; 5. a sleeve; 6. a probe; 101. an extrusion member; 102. a pressing member; 103. extruding the channel; 104. a silica gel ring; 105. a sleeve ring; 106. a positioning ring; 107. an elastic element; 108. a knob; 109. a rotating head; 110. a rotating sleeve; 201. a groove; 202. a boss; 203. a connector; 204. a clamping table; 205. a clamping groove; 206. a through hole; 207. a pin hole; 208. a regulating channel; 209. a rotating chamber; 210. a fixed cavity;

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.

It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding and are not used to define any directional or sequential limitation.

As shown in fig. 1-5, a surgical electrode with quantitative telescoping function comprises a casing 1, a fixed seat 2 connected with the casing 1, an electrode assembly 3 movably arranged in the casing 1 and a squeezing assembly 4 connected with the electrode assembly 3, wherein the electrode assembly 3 comprises a sleeve 5 and a probe 6 penetrating through the sleeve 5, two ends of the sleeve 5 are connected with the squeezing assembly 4, the squeezing assembly 4 comprises a pressing part 102 exposed in the casing 1 and a squeezing part 101 arranged between the fixed seat 2 and the electrode assembly 3, the pressing part 102 is in transmission connection with the squeezing part 101 through the sleeve 5, a squeezing channel 103 is formed in the fixed seat 2, and the squeezing part 101 is close to or far away from the squeezing channel 103 so as to limit or release the current position of the probe 6 by the squeezing part 101.

As a further explanation of the pressing component 101, the pressing component 101 includes a silicone ring 104, a sleeve ring 105 and a positioning ring 106 which are sleeved on the probe 6, the silicone ring 104 is arranged between the sleeve ring 105 and the positioning ring 106, one end of the sleeve ring 105 is inserted into the sleeve 5, one end of the sleeve ring is abutted against the silicone ring 104, an elastic element 107 is further arranged in the fixing seat 2, one end of the elastic element 107 is abutted against an inner step of the fixing seat 2, and the other end of the elastic element 107 is abutted against the positioning ring 106, so that the positioning ring 106 and the sleeve ring 105 apply an axial force to the silicone ring 104, and the silicone ring 104 is contracted inwards to rub the probe 6.

An extrusion channel 103 is arranged in the fixing seat 2, the outer contour of the extrusion channel 103 along the direction deviating from the extrusion part 101 is gradually reduced, the sleeve 5 circles push the silica gel ring 104 to move towards the extrusion channel 103, along with the gradual reduction of the extrusion channel 103, the periphery of the extrusion channel 103 is abutted with the periphery of the silica gel ring 104, and the periphery of the extrusion channel 103 extrudes the silica gel ring 104, so that the shrinkage of the extrusion channel extrudes the silica gel ring 104 to tightly hold the probe 6.

In addition, the silicone ring 104 itself also has a retaining effect on the probe 6, so that an operator provides a certain damping sense when making manual adjustment, and excessive adjustment is prevented.

An adjusting channel 208 communicated with the extrusion channel 103 is further formed in the fixing seat 2, when the extrusion part 101 is in the adjusting channel 208, the elastic element 107 applies pressure to the positioning ring 106, so that the positioning ring 106 fixes the silica gel ring 104 between the positioning ring 106 and the sleeve 5, and the section of the adjusting channel 208 is the same as the maximum section of the extrusion channel 103.

Preferably, the adjusting channel 208 can contact the silicone ring 104, so that the silicone ring 104 contacts the probe 6, and the silicone ring does not provide excessive holding force on the premise of facilitating the adjustment of the probe 6, so that the probe 6 does not slip.

Alternatively, to further facilitate adjustment of the probe 6, the adjustment channel 208 is slightly larger in cross section than the silicone ring 104.

In this embodiment, in the initial state of the silicone ring 104, most of the silicone ring 104 is in the adjusting channel 208, and a small part of the silicone ring 104 is in the extruding channel 103, so that the silicone ring 104 provides a certain holding effect on the probe 6, and the probe 6 is prevented from sliding down;

and when the silica gel ring 104 is completely pressed into and held tightly, the silica gel ring 104 is still partially arranged in the adjusting channel 208, so that the elastic element 107 can push the silica gel ring 104 back into the adjusting channel 208 when the adjustment is performed, and the problem that the probe 6 cannot be loosened due to the fact that the silica gel ring 104 cannot be retracted is avoided.

In other embodiments, the silicone ring 104 may be completely inside the adjusting channel 208 in the initial state, and the sleeve 5 and the elastic element 107 apply pressure from two ends to make the silicone ring 104 be located inside the adjusting channel.

As a further explanation of the pressing member 102, the pressing member 102 includes a knob 108, a rotary head 109, and a rotary sleeve 110, the rotary sleeve 110 is provided on the sleeve 5, and a fixed cavity 210 is formed in the housing 1, the rotary sleeve 110 is provided in the fixed cavity 210, an internal thread is formed in the rotary sleeve 110, an external thread is formed on the rotary head 109, and the rotary head 109 is movable in the rotary sleeve 110 by screw-engagement with the rotary sleeve 110.

The shell 1 is further provided with a rotating cavity 209, the knob 108 is rotatably arranged in the rotating cavity 209, when the knob is rotated, the position is not changed, a rectangular groove 201 is formed in the knob 108, a rectangular boss 202 is formed in the rotating head 109, the rectangular boss 202 is inserted into the rectangular groove 201, the rotating head 109 rotates together with the rotating head 109 along with rotation of the knob 108, and the rectangular boss 202 slides in the rectangular groove 201 under the threaded fit between the rotating head 109 and the rotating sleeve 110.

The sleeve 5 is provided with the connector 203, the connector 203 is provided with a through hole 206, the sleeve 5 is provided with a corresponding pin hole 207, the pin shaft is used for penetrating the through hole 206 on the connector 203 and the pin hole 207 on the sleeve 5, the connector 203 is fixed on the sleeve 5, the connector 203 is provided with a clamping table 204, one threaded end of the rotating head 109 is provided with a clamping groove 205, and the connecting head 203 is connected with the rotating head 109 by clamping the clamping table 204 on the connector 203 into the clamping groove 205 on the rotating head 109.

Further, the knob 108 is turned to enable the rotary head 109 to move in the rotary sleeve 110, and the rotary head 109 moves with the connector 203, so that the sleeve 5 moves in the shell 1, and the tightness of the probe 6 is controlled.

Preferably, through threaded connection, when making need dismantle fixing base 2, it is simpler, convenient to make between fixing base 2 and the casing 1.

Preferably, the probe 6 can be replaced with another bit or binding clip.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The surgical electrode with the quantitative telescopic function is characterized by comprising a shell (1), a fixing seat (2) connected with the shell (1), an electrode assembly (3) movably arranged in the shell (1) and an extrusion assembly (4) connected with the electrode assembly (3);

the electrode assembly (3) comprises a sleeve (5) and a probe (6) penetrating through the sleeve (5), and two ends of the sleeve (5) are connected with the extrusion assembly (4);

the extrusion assembly (4) comprises a pressing part (102) exposed in the shell (1) and an extrusion part (101) arranged between the fixing seat (2) and the electrode assembly (3), and the pressing part (102) is in transmission connection with the extrusion part (101) through the sleeve (5);

the fixing seat (2) is internally provided with a squeezing channel (103), and the squeezing part (101) is close to or far away from the squeezing channel (103) so that the squeezing part (101) limits or releases the current position of the probe (6).

2. A surgical electrode with a quantitative telescopic function according to claim 1, characterized in that the extrusion channel (103) profile tapers in a direction away from the extrusion part (101).

3. A surgical electrode with quantitative telescopic function according to claim 1, characterized in that the extrusion part (101) comprises a silicone ring (104) and a sleeve ring (105) sleeved on the probe (6), the sleeve ring (105) is abutted against the sleeve (5), the silicone ring (104) is abutted against the sleeve ring (105), and the silicone ring (104) is abutted against the extrusion channel (103) and holds the probe (6).

4. Surgical electrode with quantitative telescopic function according to claim 1, characterized in that an elastic element (107) is arranged in the fixed seat (2), one end of the elastic element (107) is abutted with the fixed seat (2), and the other end is abutted with the extrusion part (101).

5. A surgical electrode with a quantitative telescopic function according to claim 1, wherein the pressing member (102) comprises a knob (108) rotatably arranged on the housing (1), a rotating head (109) inserted on the knob (108) and a rotating sleeve (110) fixed in the housing (1), the rotating head (109) is formed with external threads, the rotating sleeve (110) is formed with internal threads, and the rotating head (109) rotates in the rotating sleeve (110) to push the sleeve (5) to move.

6. A surgical electrode with a quantitative telescopic function according to claim 5, characterized in that a rotation cavity (209) is formed in the housing (1), and the knob (108) is rotatably arranged in the rotation cavity (209).

7. The surgical electrode with the quantitative telescopic function according to claim 5, wherein a rectangular groove (201) is formed on the knob (108), a rectangular boss (202) is formed on the rotating head (109), and the rectangular boss (202) is inserted into the rectangular groove (201).

8. The surgical electrode with the quantitative telescopic function according to claim 1, wherein a connector (203) is arranged on the sleeve (5), a clamping table (204) is formed on the connector (203), and the clamping table (204) is connected with the pressing component (102).

9. The surgical electrode with the quantitative telescopic function according to claim 8, wherein the connector (203) is formed with a through hole (206), the sleeve (5) is formed with a corresponding pin hole (207), and the connector (203) and the sleeve (5) are fixed by a pin shaft.

10. A surgical electrode with quantitative telescopic function according to claim 1, characterized in that an adjusting channel (208) communicating with the extrusion channel (103) is further provided in the holder (2), the cross section of the adjusting channel (208) being matched with the maximum cross section of the extrusion channel (103).