Medical device

Abstract

The present invention relates to a medical device, comprising a holding device for gripping, a clamp device for placing ligating clips, and a firing device connecting the holding device and the clamp device. The holding device drives the firing device to fire under the action of an external force, and then the firing device drives the clamp device to close. The clamp device includes at least two clamps, and each clamp is connected to the firing device and is driven by the firing device to close the corresponding clamp. The structure of the present invention is simple and easy to operate. By providing at least two clamps, at least two ligating clips can be placed at one time, achieving the effect of improving work efficiency.

Description

Technical Field

[0001] The present invention relates to a medical device and belongs to the technical field of medical devices. Background Art

[0002] During a surgical operation, in order to fully expose the surgical field of view, it is necessary to ligate the blood vessels around the target tissue to prevent bleeding. Hemostasis technology has become one of the cores of the basic surgical operation techniques. Surgical operations in any part of the human body almost invariably involve bleeding and hemostasis, and generally a clip applicator is used to close the ligating clip for hemostasis. However, during the operation, due to the limitation of the number of clip applicators, the operator needs to perform the clip application operation multiple times, which not only reduces the work efficiency, increases the operation time, increases the patient's blood loss, but also prolongs the patient's recovery time. Summary of the Invention

[0003] The purpose of the present invention is to provide a medical device that can improve work efficiency, is economical and affordable, and saves resources.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A medical device includes a holding device for holding, a clip applicator device for placing a ligating clip, and a firing device connecting the holding device and the clip applicator device. The holding device drives the firing device to fire under the action of an external force, and then the firing device drives the clip applicator device to close; the clip applicator device includes at least two clip applicators, and each clip applicator is connected to the firing device and is driven by the firing device to close the corresponding clip applicator.

[0005] Further, the firing device includes at least two firing rods, and one end of each firing rod is connected to at least one clip applicator; each firing rod is driven by the holding device to drive the corresponding clip applicator to close.

[0006] Further, the medical device further includes a firing brake that can selectively hold at least one of the firing rods to limit the firing of the firing rods.

[0007] Further, a stop block is provided on each firing rod, and the firing brake forms an interference with the stop block to limit the firing of the firing rod.

[0008] Further, two stop blocks are provided on each firing rod, and a holding space for holding the firing brake is formed between the two stop blocks.

[0009] Further, the firing brake includes a holding portion that forms an interference with the stop block and a pressing portion located on one side of the holding portion for applying force.

[0010] Further, the clamping portion is an inverted corrugated block, the inverted corrugated block includes a pit portion, and the pit portion clamps on the firing rod and forms interference with the stopper.

[0011] Further, the firing brake is arranged on the holding device or the firing device.

[0012] Further, the medical device further includes a firing outer shell covering the outside of the firing rod, and the medical device further includes a shift lever arranged on each firing rod, and the shift lever pushes the firing rod to move relative to the firing outer shell.

[0013] Further, an opening is formed in the firing outer shell or the holding device, and the shift lever extends into the opening to be connected with the firing rod to drive the firing rod to move.

[0014] Further, the holding device includes a housing, a driving device arranged in the housing and connected with the firing device, a control circuit connected with the driving device in a signal manner to control the driving device, and a first switch and a second switch arranged on the housing and connected with the control circuit in a signal manner.

[0015] The beneficial effects of the present invention are as follows: The structure of the present invention is simple and the operation is convenient. By providing at least two clamps, the medical device can place at least two ligating clips at one time, achieving the effect of improving work efficiency; and reducing the number of medical devices used, achieving the effect of saving resources and costs.

[0016] The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly and implement it according to the content of the description, the following takes the preferred embodiments of the present invention and combines with the drawings to describe in detail as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the medical device of the present invention.

[0018] Figure 2 It is another schematic structural diagram of the medical device of the present invention.

[0019] Figure 3 It is a schematic internal structure diagram of the medical device of the present invention.

[0020] Figure 4 It is Figure 2 a schematic structural diagram of the firing brake in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following combines with the drawings and embodiments to further describe in detail the specific embodiments of the present invention. The following embodiments are used to illustrate the present invention, but not to limit the scope of the present invention.

[0022] Please refer to Figures 1 to 3 In a preferred embodiment of the present invention, the medical device includes a holding device 1 for gripping, a clamp device 3 for placing ligating clips, and a firing device 2 connecting the holding device 1 and the clamp device 3. The holding device 1 drives the firing device 2 to fire under the action of an external force, and then the firing device 2 drives the clamp device 3 to close; the clamp device 3 includes at least two clamps, and each clamp is connected to the firing device 2 and is driven by the firing device 2 to close the corresponding clamp, so that the ligating clip placed in the clamp device 3 is closed.

[0023] In this embodiment, the holding device 1 is in a manual mode, which includes a housing 10, a fixed handle 11 connected to the housing 10, and a firing handle 12 disposed on one side of the fixed handle 11. The firing handle 12 is movably disposed on one side of the housing 10 by a screw 121 and moves back and forth relative to the fixed handle 11. Taking this embodiment as an example, the arrow a in the figure indicates the direction of forward movement, and the direction opposite thereto is the direction of backward movement. The firing device 2 is connected to the firing handle 12. Applying an external force to make the firing handle 12 move towards the fixed handle 11 drives the firing device 2 to move in the direction opposite to the applied external force, thereby driving the clamp device 3 to close tightly; applying an external force to make the firing handle 12 move away from the fixed handle 11, the firing handle 12 drives the firing device 2 to move in the direction opposite to the applied external force, thereby driving the clamp device 3 to open.

[0024] It should be noted that, in other embodiments, the holding device 1 can also be in an electric mode. At this time, the holding device 1 includes a driving device disposed in the housing 10 and connected to the firing device, a control circuit signal-connected to the driving device to control the driving device, and a first switch and a second switch disposed on the housing and signal-connected to the control circuit. The driving device includes a driving motor, a first gear connected to the driving motor, a second gear meshing with the first gear, and a screw rod connected to the second gear. The driving device is connected to the firing rod through the screw rod. Pressing the first switch, the control circuit controls the driving device to drive the firing rod to move forward; pressing the second switch, the control circuit controls the driving device to drive the firing rod to move backward.

[0025] The clamp device 3 is arranged at one end of the firing device 2, and the firing device 2 includes at least two firing rods, and one end of each firing rod is connected to at least one clamp; each firing rod is driven by the holding device 1 to drive the corresponding clamp to close. In this embodiment, the firing device 2 includes two firing rods, namely, a first firing rod 21 and a second firing rod 22, one end of the first firing rod 21 is connected to a clamp, and one end of the second firing rod 22 is connected to a clamp. That is, in this embodiment, the clamp device 3 includes two clamps, namely, a first clamp 31 and a second clamp 32, the first clamp 31 is connected to the first firing rod 21, and the second clamp 32 is connected to the second firing rod 22. Applying external force to the firing handle 12, the firing handle 12 drives the first firing rod 21 and the second firing rod 22 to fire and then drives the first clamp 31 and the second clamp 32 to close, thereby achieving the effect of improving work efficiency. Of course, in other embodiments, the number of the firing rods may be multiple, and the number of clamps provided at one end of each firing rod may also be multiple, which is not limited here. Of course, the firing device 2 may also include only one firing rod, and one end of the firing rod may be provided with multiple branches connected to multiple clamps, which can also achieve the same technical effect, which is not limited here. In the present embodiment, the other ends of the first firing rod 21 and the second firing rod 22 are provided with a connecting member 7, and the connecting member 7 connects the first firing rod 21 and the second firing rod 22 and is connected to the firing handle 12 through a connecting shaft 71. Of course, in other embodiments, the other ends of the first firing rod 21 and the second firing rod 22 may be simultaneously connected to the firing handle 12 to achieve the same purpose, which is not limited here and depends on the actual situation.

[0026] The medical device also includes a firing shell 20 covering the outside of the firing rod and a firing brake 62 that can be selectively clamped on at least one of the firing rods to limit the firing of the firing rod. The firing brake 62 can be an object that limits the retraction of the clamp device 3 into the firing shell 20, or it can be an object that limits the extension of the clamp device 3 outside the firing shell 20. The firing brake 62 can be a compression spring with one end fixedly arranged in the firing shell 20 and the other end connected to the firing rod. The elastic force of the compression spring should be small enough so that the firing rod can be retracted into the firing shell 20 or extended out of the firing shell 20 even under the action of external force. The above is just an example and does not make a specific limitation on the firing brake 62. The purpose of designing the firing brake 20 is to make one or part of the clamps not work when the other clamps are working, so it is necessary to lock the one or part of the clamps that are not working. In order to facilitate the operation of the working clamp, the partially working clamp and the partially inoperative clamp are misaligned in position, and the best way to misalign is to shrink the inoperative part into the firing shell 20. The firing brake 62 is arranged on the holding device 1 or the firing device 2, and both play a role in limiting the firing rod. In this embodiment, the firing brake 62 is arranged on the holding device 1. More specifically, the firing brake 62 is arranged on the firing shell 20. The firing shell 20 is provided with a through hole, and a rotating shaft is arranged in the through hole. The firing brake 62 moves up and down relative to the firing shell 20 through the rotating shaft.

[0027] Wherein, each firing rod is provided with a stopper 61, and the firing brake 62 interferes with the stopper 61 to limit the firing of the firing rod. The firing brake 62 includes a clamping portion 622 that interferes with the stopper 61 and a pressing portion 621 located on one side of the clamping portion 622 and used for applying force. The clamping portion 622 is an inverted corrugated block, and the inverted corrugated block includes a concave portion 6221, and the concave portion 6221 is clamped on the firing rod and interferes with the stopper 61. Of course, in other embodiments, the clamping portion 622 may also be a block of other shapes, depending on the actual situation. For example, the clamping portion 622 may also be circular, and then an opening that is clamped with the firing rod is provided on one side of the circle and interferes with the stopper 61 to limit the firing rod, etc., which is not limited here. As mentioned above, in this embodiment, there are two firing rods and two clamps, and the firing brakes 62 are also two, which are respectively arranged on one side of the firing rod. The pressing portion 621 is arranged outside the firing housing 20 to apply external force, and the clamping portion 622 is arranged inside the firing housing 20 to clamp with the firing rod or the stopper 61 on the firing rod. Figure 4In this embodiment, because there are only two firing rods, two firing brakes 62 are provided. The concave portion 6221 of the clamping portion 622 is clamped on the firing rod and abuts against the block 61 to limit the firing rod. Of course, in other embodiments, the clamping portion 622 of the firing brake may also include a concave portion 6221 and a connecting portion for connecting the concave portion 6221. In the case where there are only two firing rods, the clamping portion 622 only needs to have two concave portions 6221 and a connecting portion connecting the two concave portions 6221, and the clamping portion 622 is an inverted "W" shape, the clamping portion 622 is connected to the pressing portion 621, and the concave portion 6221 is clamped on the firing rod and abuts against the block 61 to limit the firing rod. When one of the clamps extends out of the firing housing 20 and is set outside, the other clamp is retracted into the firing housing 20, for example, the first clamp 31 extends out of the firing housing 20, and the second clamp 32 is retracted into the firing housing 20, with the position of the clamps as the front side, the clamping portion 622 is clamped at the rear side of the block 61 on the first firing rod 21 and at the front side of the block 61 on the second firing rod 22 to achieve this purpose. If it is necessary to make both the first clamp 31 and the second clamp 32 retract into the firing housing 20, the clamping portion 622 is clamped in front of the block 61 on the first firing rod 21 and the block 61 on the second firing rod 22. If it is necessary to make both the first clamp 31 and the second clamp 32 extend out of the firing housing 20, the clamping portion 622 is clamped behind the block 61 on the first firing rod 21 and the block 61 on the second firing rod 22.

[0028] Of course, two stoppers 61 may also be provided on each of the firing rods. A clamping space is formed between the two stoppers 61, and the firing brake 62 is clamped in the clamping space. The usage is the same as the above situation. However, when the clamping portion 622 is an inverted "W" shape, the concave portion 6221 is clamped on the firing rod and abuts against the stopper 61 to limit the firing rod. In this embodiment, the two stoppers provided on the first firing rod 21 are respectively called the first stopper and the second stopper, and the two stoppers provided on the second firing rod 22 are called the third stopper and the fourth stopper. When one of the clamps extends out of the firing housing 20 and is disposed outside, and the other clamp contracts within the firing housing 20. For example, when the first clamp 31 extends out of the firing housing 20 and the second clamp 32 contracts within the firing housing 20, the clamping portion 622 is clamped on the first stopper of the first firing rod 21 and simultaneously in front of the fourth stopper 61 on the second firing rod 22 to achieve this purpose. If it is required that both the first clamp 31 and the second clamp 32 contract within the firing housing 20, the clamping portion 622 is clamped in front of the second stopper on the first firing rod 21 and the fourth stopper on the second firing rod 22. If it is required that both the first clamp 31 and the second clamp 32 extend out of the firing housing 20, the clamping portion 622 is clamped in front of the first stopper on the first firing rod 21 and the third stopper on the second firing rod 22.

[0029] It should be noted that, in other embodiments, the number of the stoppers 61 may also be other numbers, and the firing brake 62 may also be of other shapes, which depends on the specific situation and will not be limited herein.

[0030] The medical device further includes a shift lever 5 provided on each of the firing rods. The shift lever 5 pushes the firing rod to move relative to the firing housing 20. An opening 13 is formed in the firing housing 20 or the holding device 1. The shift lever 5 extends into the opening 13 and is connected to the firing rod to drive the firing rod to move. In this embodiment, the number of the shift levers 5 is the same as the number of the firing rods, both being two. Correspondingly, the number of the openings 13 is also two. Each shift lever 5 passes through each opening 13 and is connected to one of the firing rods. Specifically, one end of the shift lever 5 is fixedly provided on the firing rod, and the other end of the shift lever 5 passes through the opening 13 to facilitate the operator to toggle. For the sake of distinction, the shift levers 5 are respectively the first shift lever and the second shift lever. When the first shift lever and / or the second shift lever is toggled forward, the first clamp 31 and / or the second clamp 32 extends at one end of the firing housing 20. When the first shift lever and / or the second shift lever is toggled backward, the first clamp 31 and / or the second clamp 32 contracts within the firing housing 20.

[0031] The medical device also includes a rotating handle 4 which is sleeved on the firing shell 20 and connected to the holding shell 10. When the rotating handle 4 is rotated, the holding device 1 is driven to rotate to adjust the clamping angle, which is convenient for the operator to operate.

[0032] When the medical device of this embodiment is used for operation, if two clamps need to be operated simultaneously during the operation, the operator presses the pressing portion 621 to make the clamping portion 622 move upward and away from the first firing rod 21 and the second firing rod 22, and moves the first lever and the second lever forward to make the first clamp 31 and the second clamp 32 extend outside the firing housing 20, and then releases the pressing portion 621 to make the clamping portion 622 clamp with the first clamp ring and the third clamp ring. Press the firing handle 12, the first firing rod 21 and the second firing rod 22 move backward, so that the first clamp 31 and the second clamp 32 are closed for operation. After the operation is completed, release the firing handle 12, and the first clamp 31 and the second clamp 32 are opened. If the angle is not appropriate, rotate the rotating handle 4 to adjust the operation position and direction. Of course, if only one clamp operation is required during the operation, the operator presses the pressing portion 621 to make the clamping portion 622 move upward away from the first firing rod 21 and the second firing rod 22, and moves one of the levers 5, for example, the first lever, and then releases the pressing portion 621 to make the clamping portion 622 clamped with the first clamping ring and the fourth clamping ring. Other operations are as above and will not be repeated here.

[0033] In summary: the present invention has a simple structure and is easy to operate. By providing at least two clamps, the medical device can place at least two ligation clips at one time, thereby improving work efficiency; and reducing the number of medical devices used, thereby saving resources and costs.

[0034] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0035] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A medical device, characterized in that, It includes a holding device for gripping, a clamp device for placing ligating clips, and a firing device connecting the holding device and the clamp device. The holding device drives the firing device to fire under the action of an external force, and then the firing device drives the clamp device to close. The clamp device includes at least two clamps. Each clamp is connected to the firing device and is driven by the firing device to close the corresponding clamp. The firing device includes at least two firing rods. One end of each firing rod is connected to at least one clamp. Each firing rod is driven by the holding device to drive the corresponding clamp to close. The medical device further includes a firing brake that can selectively latch onto at least one of the firing rods to limit the firing of the firing rods. The firing brake causes one or some of the clamps not to work when other clamps are working, locking the non-working one or some of the clamps. Among them, the partially working clamps and the partially non-working clamps are misaligned in position, and the non-working part shrinks inside the firing housing when misaligned.

2. The medical device according to claim 1, characterized in that, A stop block is provided on each firing rod, and the firing brake interferes with the stop block to limit the firing of the firing rod.

3. The medical device according to claim 1, wherein Two stop blocks are provided on each firing rod, and a latching space for latching the firing brake is formed between the two stop blocks.

4. The medical device according to claim 2 or 3, characterized in that, The firing brake includes a latching portion that interferes with the stop block and a pressing portion located on one side of the latching portion for applying force.

5. The medical device according to claim 4, characterized in that, The latching portion is an inverted corrugated block, and the inverted corrugated block includes a pit portion that latches onto the firing rod and interferes with the stop block.

6. The medical device according to claim 4, wherein The firing brake is provided on the holding device or the firing device.

7. The medical device according to claim 2, wherein The medical device further includes a firing housing covering the outside of the firing rod. The medical device also includes a shift lever provided on each firing rod, and the shift lever pushes the firing rod to move relative to the firing housing.

8. The medical device according to claim 7, characterized in that, An opening is provided on the firing housing or the holding device, and the shift lever extends into the opening and is connected to the firing rod to drive the firing rod to move.

9. The medical device according to claim 1, wherein, The holding device includes a housing, a driving device provided inside the housing and connected to the firing device, a control circuit signal-connected to the driving device to control the driving device, and a first switch and a second switch provided on the housing and signal-connected to the control circuit.

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