Surgical devices

Abstract

A surgical device includes a traction element movably disposed within a body. The traction element includes a through hole, a guide hole, and an external thread. The through hole extends through the traction element axially, and the guide hole extends through the traction element axially and is located on one side of the traction element. The external thread has multiple threads and is disposed around the outer circumferential surface of the traction element axially. A guide rod is fixed in the body and extends through the guide hole. One end of a first tube is connected to the traction element and communicates with the through hole, while the other end extends out of the body. A first knob is rotatably disposed on the body and includes an internal thread that connects to the external thread. The first knob is configured to rotate via the internal and external threads, causing the traction element to reciprocate along the guide rod. A surgical assembly is connected to the end of the first tube away from the traction element.

Description

Technical Field

[0001] This application relates to surgical apparatus, and more particularly to a surgical apparatus having an elongated tubular component. Background Technology

[0002] Existing surgical devices consist of a main body for the operator to hold and a thin, long tube extending from the main body. The tube's tip is equipped with a dedicated surgical instrument, which can be inserted into the affected area through the tube. The operator can then manipulate the instrument at the tube's tip using the main body. Generally, the main body contains a mechanism to control the reciprocating motion of the tube; however, existing mechanisms struggle to maintain the stability of this thin, long tube during reciprocating motion. Summary of the Invention

[0003] In view of the above problems, this application proposes a surgical device to improve the stability during operation.

[0004] One embodiment of this application discloses a surgical device comprising a body, a traction member, a guide rod, a first tube, a first knob, and a surgical assembly. The traction member is movably disposed within the body and includes a through hole, a guide hole, and an external thread. The through hole extends through the traction member axially and is located at the center of the traction member. The guide hole extends through the traction member axially and is located on one side of the traction member. The external thread has multiple threads and is arranged around the outer circumferential surface of the traction member axially. The guide rod is fixed within the body and extends through the guide hole. One end of the first tube is connected to the traction member and communicates with the through hole, while the other end extends outside the body. The first knob is rotatably disposed on the body and includes an internal thread that connects to the external thread. The first knob is configured to rotate via the internal and external threads, causing the traction member to reciprocate along the guide rod. The surgical assembly is connected to the end of the first tube away from the traction member.

[0005] In one embodiment, the external thread has a four-thread design.

[0006] In one embodiment, there are two guide rods spaced apart from each other, and two guide holes located on both sides of the through hole, with the two guide rods passing through the two guide holes respectively.

[0007] In one embodiment, the surgical device further includes an outer tube, one end of which is connected to the body and the other end of which is connected to a surgical component. A first tube extends through the outer tube and is configured to reciprocate within the outer tube by a traction member.

[0008] In one embodiment, the surgical assembly includes a base, a head, and a pivot rod. One end of the base is connected to an outer tube, and the other end is pivotally connected to a head. The end of a first tube away from the traction member is movably inserted into the base and pivotally connected to the head via the pivot rod.

[0009] In one embodiment, the base includes a groove, the groove including a first stop and a second stop, the first stop being adjacent to the outer tube and the second stop being adjacent to the head, the first tube including a slider, one end of the slider being connected to the end of the first tube away from the traction member and the other end of the slider being connected to the pivot joint of the pivot rod, the slider being configured to reciprocate between the first stop and the second stop along the groove.

[0010] In one embodiment, the slider is configured such that when it abuts against the first stop, the angle between the extension direction of the head and the extension direction of the base is 60 degrees, and when it abuts against the second stop, the angle between the extension direction of the head and the extension direction of the base is 0 degrees.

[0011] In one embodiment, the sliding member includes a sleeve portion and a semi-ring portion. The rear end of the semi-ring portion is connected to the outer peripheral surface of the front end of the sleeve portion. The rear end of the sleeve portion is connected to the end of the first tube that is away from the traction member. The front end of the semi-ring portion is pivotally connected to a portion. The rear end of the semi-ring portion corresponds to the first stop portion, and the front end of the sleeve portion corresponds to the second stop portion.

[0012] In one embodiment, the surgical device further includes a second knob and a second tube, the second knob being rotatably disposed on the body, the second tube being embedded at the rotation center of the second knob and extending outside the body, and the surgical component being connected to the end of the second tube away from the body.

[0013] In one embodiment, a second tube extends through the first tube, and the second tube is configured to rotate the surgical assembly as the second knob is rotated.

[0014] In one embodiment, the surgical device further includes a trigger member connected to the body, wherein the second tube includes a connector connected to one end of the second tube located in the body, the trigger member includes an engagement groove in which the connector is movably engaged, and the trigger member is configured to drive the second tube to reciprocate within the first tube via the engagement groove and the connector.

[0015] In one embodiment, the surgical device further includes an input / output section and a conductive sheet. The input / output section is disposed on the main body, and the conductive sheet is disposed within the main body. One end of the conductive sheet is connected to the input / output section, and the other end abuts against the second tube.

[0016] In one embodiment, the first knob includes a metal part and a plastic part. The metal part is annular, the plastic part surrounds the outer annular surface of the metal part, and an internal thread is provided on the inner annular surface of the metal part.

[0017] In summary, the surgical device according to one or more embodiments of this application can enable the first tube to reciprocate smoothly through the rotational engagement of the external thread with multi-threaded traction member and the internal thread of the first knob, as well as the guiding engagement of the guide hole of the traction member and the guide tube, thereby improving the operational stability of the surgical components when the surgical device is operated.

[0018] The following detailed description of the features and advantages of this application is sufficient to enable any person skilled in the art to understand the technical content of this application and implement it accordingly. Based on the content disclosed in this specification, the scope of the claims and the drawings, any person skilled in the art can easily understand the related objectives and advantages of this application. Attached Figure Description

[0019] The foregoing description of the invention and the following detailed description will be more clearly understood when read in conjunction with the accompanying drawings. In the drawings:

[0020] Figure 1 This is a schematic diagram of a surgical device according to an embodiment of this application;

[0021] Figure 2 This is a partial enlarged view of the surgical device in one embodiment of this application;

[0022] Figure 3 This is an exploded view of the first knob and the traction member in one embodiment of this application;

[0023] Figure 4 This is a partial enlarged view of the first tubular component and surgical assembly in one embodiment of this application;

[0024] Figure 5 This is a schematic diagram of a slider in one embodiment of this application;

[0025] Figure 6 This is a schematic diagram of the operation of the surgical device in one embodiment of this application. Figure 1 ;as well as

[0026] Figure 7 This is a schematic diagram of the operation of the surgical device in one embodiment of this application. Figure 2 .

[0027] Explanation of reference numerals in the attached figures

[0028] 100 body

[0029] 110 Traction Component

[0030] 111 Through Hole

[0031] 112 guide hole

[0032] 113 External thread

[0033] 113a, 113b, 113c, 113d threads

[0034] 120 guide rod

[0035] 130 First fitting

[0036] 131 Slider

[0037] 1311 Casing Section

[0038] 1312 Semi-ring

[0039] 140 First knob

[0040] 141 Internal Thread

[0041] 142 Metal Department

[0042] 143 Plastics Department

[0043] 150 surgical components

[0044] 151 Base

[0045] 1511 Slide

[0046] 1512 First stop section

[0047] 1513 Second Stop

[0048] 152 heads

[0049] 153 Pivot rod

[0050] 154 Surgical forceps

[0051] 160 outer tube

[0052] 170 Second Knob

[0053] 180 Second fitting

[0054] 181 connector

[0055] 190 trigger assembly

[0056] 191 Joint groove

[0057] 200 Input / Output Section

[0058] 210 Conductive sheet. Detailed Implementation

[0059] Please see Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of a surgical device according to an embodiment of this application. Figure 2This is a partial enlarged view of a surgical device according to an embodiment of this application. In this embodiment, the surgical device includes a body 100, a traction member 110, a guide rod 120, a first tube 130, a first knob 140, and a surgical assembly 150. It should be understood that, for ease of showing the internal components and structure of the body 100, a portion of the outer shell is omitted from the body 100. In practical applications, the body 100 is enclosed by the outer shell, so that the traction member 110 and the guide rod 120 are completely enclosed within the outer shell of the body 100, while the outer periphery of the first knob 140 protrudes from the outer shell of the body 100 for the operator to operate. The first tube 130 extends outward from the body 100.

[0060] Please see Figure 3 , Figure 3 This is an exploded view of the first knob 140 and the traction member 110 in one embodiment of this application. Figures 1 to 3 As shown, the traction member 110 is detachably disposed within the body 100. In some embodiments, such as Figure 3 As shown, the traction member 110 includes a through hole 111, a guide hole 112, and an external thread 113. The through hole 111 is located at the center of the traction member 110 and extends through the traction member 110 along its axial direction. The guide hole 112 also extends through the traction member 110 along its axial direction. The external thread 113 has a multi-start thread and is arranged around the outer peripheral surface of the traction member 110 along its axial direction. Figure 3 In the middle, the external thread 113 has four threads 113a, 113b, 113c, and 113d, which extend sequentially around the traction member 110 along its axial direction.

[0061] like Figure 3 As shown, in some embodiments, the first knob 140 includes a metal portion 142 and a plastic portion 143. The metal portion 142 is annular, and the plastic portion 143 surrounds the outer annular surface of the metal portion 142. An internal thread 141 is provided on the inner annular surface of the metal portion 142. In some embodiments, both the metal portion 142 and the traction member 110 are made of metal, which prevents wear and enhances the smoothness and stability of operation. In some embodiments, the first knob 140 can be formed by in-mold molding of the metal portion 142 and the plastic portion 143.

[0062] Please also refer to Figure 6 , Figure 6 This is a schematic diagram of the operation of the surgical device in one embodiment of this application. Figure 1 The guide rod 120 is fixed in the body 100 and extends through the guide hole 112. The guide rod 120 extends axially along the traction member 110, and the traction member 110 can reciprocate linearly on the guide rod 120 through the guide hole 112. In some embodiments, such as Figure 3 and Figure 6 As shown, there are two guide rods 120 spaced apart from each other, and two guide holes 112 spaced apart from each other. The two guide holes 112 are located on both sides of the through hole 111, and the two guide rods 120 pass through the two guide holes 112 respectively. Through the cooperation of the two guide rods 120 and the guide holes 112, the traction member 110 can move more stably and linearly back and forth on the guide rods 120.

[0063] In this embodiment, one end of the first tube 130 is connected to the traction member 110 and communicates with the through hole 111, while the other end extends outside the body 100. The surgical assembly 150 is connected to the end of the first tube 130 away from the traction member 110. In some embodiments, one end of the first tube 130 enters the through hole 111 and is embedded in the through hole 111. A first knob 140 is rotatably disposed on the body 100. The first knob 140 can rotate about the axis of the traction member 110 as the center of rotation, but the position of the first knob 140 on the body 100 is fixed and will not move back and forth. Figure 3 As shown, the first knob 140 includes an internal thread 141, which connects to an external thread 113. The first knob 140 is configured to rotate via the internal thread 141 and the external thread 113, thereby driving the traction member 110 to reciprocate axially. When the operator rotates the first knob 140, the internal thread 141 of the first knob 140 interacts with the external thread 113, causing the internal thread 141 of the first knob 140 to drive the external thread 113, thus causing the traction member 110 to reciprocate axially. For example, with... Figure 1 In terms of direction, when the operator rotates the first knob 140 clockwise, the traction component 110 will move to the right; when the operator rotates the first knob 140 clockwise, the traction component 110 will move to the left. Furthermore, when the traction component 110 moves back and forth, it will also drive the first pipe component 130 to move back and forth.

[0064] In this embodiment, the surgical device further includes an outer tube 160, one end of which is connected to the body 100, and the other end of which is connected to the surgical assembly 150. In some embodiments, one end of the outer tube 160 is fixed inside the body 100 and adjacent to the traction member 110, while a first tube 130 extends from the traction member 110 into the outer tube 160 and further through the outer tube 160. The first tube 130 is configured to reciprocate within the outer tube 160, driven by the traction member 110.

[0065] Please see Figure 4 and Figure 5 , Figure 4 This is a partial enlarged view of the first tube 130 and the surgical assembly 150 in one embodiment of this application. Figure 5 This is a schematic diagram of the slider 131 in one embodiment of this application, wherein the internal components are shown for clarity. Figure 4 The sliding member 131 is shown transparently. In this embodiment, the surgical assembly 150 includes a base 151, a head 152, and a pivot rod 153. One end of the base 151 is connected to the outer tube 160, and the other end is pivotally connected to the head 152. The end of the first tube 130 away from the traction member 110 extends out of the outer tube 160 and is movably inserted into the base 151. The end of the first tube 130 away from the traction member 110 is pivotally connected to the head 152 via the pivot rod 153. In some embodiments, the portion of the base 151 pivotally connected to the head 152 and the portion of the pivot rod 153 pivotally connected to the first tube 130 and the head 152, respectively, can be achieved by means of a pin.

[0066] In some embodiments, the base 151 includes a groove 1511, which includes a first stop 1512 and a second stop 1513. The first stop 1512 is adjacent to the outer tube 160, and the second stop 1513 is adjacent to the head 152. The first tube 130 includes a slider 131, one end of which is connected to the end of the first tube 130 away from the traction member 110, and the other end of which is pivoted to the portion 152 via the pivot rod 153. The slider 131 is configured to reciprocate between the first stop 1512 and the second stop 1513 along the groove 1511. When the first pipe 130 is driven by the traction member 110 to move back and forth, the sliding member 131 will be driven by the first pipe 130 to move back and forth in the slide groove 1511 accordingly, and the first stop portion 1512 and the second stop portion 1513 of the slide groove 1511 will limit the movement range of the sliding member 131.

[0067] Please see Figure 7 , Figure 7 This is a schematic diagram of the operation of the surgical device in one embodiment of this application. Figure 2 . Figure 6 and Figure 7 The diagram illustrates the operating principle of the surgical device. (For example...) Figure 7 As shown, when the slider 131 is driven to abut the first stop 1512, the slider 131 will pull the head 152 through the pivot rod 153, causing the head 152 to pivot relative to the base 151, and making the angle between the extension direction of the head 152 and the extension direction of the base 151 60 degrees; Figure 6As shown, when the slider 131 is driven to abut against the second stop 1513, the slider 131 pushes the head 152 through the pivot rod 153, causing the head 152 to pivot in the opposite direction relative to the base 151, and making the angle between the extension direction of the head 152 and the extension direction of the base 151 0 degrees. When the slider 131 reciprocates within the slide groove 1511, the slider 131 pulls or pushes the head 152 through the pivot rod 153, causing the head 152 to pivot in the forward or reverse direction relative to the base 151 within the range of 0 degrees and 60 degrees. Furthermore, the traction member 110 drives the sliding member 131 and the first tube 130. Since the external thread 113 of the traction member 110 has four threads 113a, 113b, 113c, and 113d, these four threads 113a, 113b, 113c, and 113d can stably engage with the internal thread 141 of the first knob 140, enabling the traction member 110 to move back and forth smoothly and stably. Correspondingly, the head 152 driven by the sliding member 131 can smoothly and stably pivot in the forward or reverse direction within the range of 0 degrees and 60 degrees.

[0068] like Figure 4 and 5 As shown, in some embodiments, the slider 131 includes a sleeve portion 1311 and a semi-ring portion 1312. The rear end of the semi-ring portion 1312 is connected to the outer peripheral surface of the front end of the sleeve portion 1311. The rear end of the sleeve portion 1311 is connected to the end of the first tube 130 away from the traction member 110. The front end of the semi-ring portion 1312 is pivotally connected to a portion 152. The rear end of the semi-ring portion 1312 corresponds to the first stop portion 1512, and the front end of the sleeve portion 1311 corresponds to the second stop portion 1513. When the slider 131 is driven to abut against the first stop portion 1512, the rear end of the semi-ring portion 1312 abuts against the first stop portion 1512; when the slider 131 is driven to abut against the second stop portion 1513, the front end of the sleeve portion 1311 abuts against the second stop portion 1513, thereby limiting the slider 131 in the sliding groove.

[0069] like Figure 1 , 2As shown in Figures 6 and 7, in some embodiments, the surgical device further includes a second knob 170 and a second tube 180. The second knob 170 is rotatably mounted on the body 100, and the second tube 180 is embedded at the rotation center of the second knob 170 and extends outside the body 100. The surgical assembly 150 is connected to the end of the second tube 180 away from the body 100. In some embodiments, the rotation centers of the first knob 140 and the second knob 170 are coaxial, and the first knob 140 and the second knob 170 are spaced apart from each other. In some embodiments, the second tube 180 extends through the first tube 130, and the second tube 180 is configured to drive the surgical assembly 150 to rotate axially as the second knob 170 rotates. For example, the surgical assembly 150 includes a surgical forceps 154, which is rotatably connected to the head 152. The end of the second tube 180 away from the body 100 extends through the first tube 130 and the head 152 and is connected to the surgical forceps 154. When the second tube 180 is rotated by the second knob 170, it will correspondingly drive the surgical forceps 154 to rotate.

[0070] like Figure 1 , 2 As shown in Figures 6 and 7, in some embodiments, the surgical device further includes a trigger 190 connected to the body 100, wherein the second tube 180 includes a connector 181 connected to one end of the second tube 180 located in the body 100, the trigger includes an engagement groove 191 in which the connector 181 is movably engaged, and the trigger 190 is configured to drive the second tube 180 to reciprocate within the first tube 130 via the engagement groove 191 and the connector 181. When the operator pulls or releases the trigger, the engagement groove 191 of the trigger can move away from or towards the second knob 170. The connector 181 engaged in the engagement groove 191 will drive the second tube 180 to pull or push the second tube 180, causing the second tube 180 to reciprocate within the first tube 130. Furthermore, the end of the second tube 180 away from the body 100 will correspondingly pull or push the corresponding pin in the surgical forceps 154, causing the surgical forceps 154 to close or open.

[0071] like Figure 1 , 2As shown, in some embodiments, the surgical device further includes an input / output section 200 and a conductive plate 210. The input / output section 200 is disposed on the body 100, and the conductive plate 210 is disposed inside the body 100. One end of the conductive plate 210 is connected to the input / output section 200, and the other end abuts against the second tube 180. The input / output section 200 can transmit signals or current and can be electrically connected to the second tube 180 through the conductive plate 210 for further use. When the second tube 180 rotates, the conductive plate 210 continuously abuts against the outer peripheral surface of the second tube 180, so that the conductive plate 210 and the second tube 180 can maintain an electrical connection.

[0072] In summary, the surgical device according to one or more embodiments of this application can enable the first tube to reciprocate smoothly through the rotational engagement of the external thread with multi-threaded traction member and the internal thread of the first knob, as well as the guiding engagement of the guide hole of the traction member and the guide tube, thereby improving the operational stability of the surgical components when the surgical device is operated.

[0073] Based on the content disclosed in the embodiments of this specification, those skilled in the art will clearly understand that the foregoing embodiments are merely examples implemented in combination; those skilled in the art can implement them through numerous modifications and substitutions, without differing from the technical features of this application. According to the embodiments in this specification, this application can have various modifications without hindering implementation. This specification defines the scope of this application, which covers the foregoing methods and structures and equivalent applications.

Claims

1. A surgical device, comprising: an entity; A traction member is movably disposed in the body. The traction member includes a through hole, a guide hole and an external thread. The through hole passes through the traction member along the axial direction and is located at the center of the traction member. The guide hole passes through the traction member along the axial direction. The external thread has a multi-thread and is disposed around the outer peripheral surface of the traction member along the axial direction. A guide rod is fixed in the body and extends through the guide hole; A first pipe fitting, one end of which is connected to the traction member and communicates with the through hole, and the other end extends out of the body; A first knob, rotatably mounted on the body, includes an internal thread connecting to the external thread. The first knob is configured to rotate via the internal and external threads to reciprocate the traction member along the guide rod. A surgical assembly connects the end of a first tube remote from the traction member. The surgical assembly includes a base, a head, and a pivot rod. The base is pivotally connected to the head. The end of the first tube remote from the traction member is movably inserted into the base and pivotally connected to the head via the pivot rod. The base includes a groove with a first stop and a second stop, the second stop being adjacent to the head. One end of the first tube is configured along the groove between the first stop and the second stop. The surgical device further includes a second tube and a trigger, the second tube extending outside the body, the surgical assembly connecting the end of the second tube away from the body, the trigger connecting the body, the second tube including a connector connecting the end of the second tube located in the body, the trigger including a engagement groove, the connector movably engaging in the engagement groove, the trigger being configured to drive the second tube to reciprocate within the first tube via the engagement groove and the connector.

2. The surgical device of claim 1, wherein the external thread has a four-thread design.

3. The surgical device as claimed in claim 1, wherein there are two guide rods spaced apart from each other, and two guide holes located on both sides of the through hole, with the two guide rods passing through the two guide holes respectively.

4. The surgical device of claim 1 further includes an outer tube, one end of which is connected to the body and the other end of which is connected to the surgical component, the first tube extending through the outer tube and configured to reciprocate within the outer tube by the traction member.

5. The surgical device of claim 4, wherein the first stop is relatively adjacent to the outer tube, the first tube includes a slider, one end of the slider is connected to the end of the first tube away from the traction member and the other end of the slider is pivotally connected to the head via the pivot rod, the slider being configured to reciprocate along a groove between the first stop and the second stop.

6. The surgical device of claim 5, wherein the slider is configured such that when it abuts the first stop, the angle between the extension direction of the head and the extension direction of the base is 60 degrees, and when it abuts the second stop, the angle between the extension direction of the head and the extension direction of the base is 0 degrees.

7. The surgical device of claim 5, wherein the sliding member includes a sleeve portion and a half-ring portion, the rear end of the half-ring portion is connected to the outer peripheral surface of the front end of the sleeve portion, the rear end of the sleeve portion is connected to the end of the first tube away from the traction member, the front end of the half-ring portion is pivotally connected to the head, the rear end of the half-ring portion corresponds to the first stop portion, and the front end of the sleeve portion corresponds to the second stop portion.

8. The surgical device as claimed in claim 1 further includes a second knob, the second knob being rotatably disposed on the body, and the second tube being embedded in the rotation center of the second knob.

9. The surgical apparatus of claim 8, wherein the second tube extends through the first tube and the second tube is configured to rotate the surgical assembly as the second knob is rotated.

10. The surgical device as claimed in claim 1, further comprising an input / output section and a conductive plate, the input / output section being disposed on the main body, the conductive plate being disposed within the main body, one end of the conductive plate being connected to the input / output section and the other end abutting against the second tube.

11. The surgical device of claim 1, wherein the first knob comprises a metal part and a plastic part, the metal part being annular, the plastic part surrounding the outer annular surface of the metal part, and the internal thread being disposed on the inner annular surface of the metal part.

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