A rapid-fire clamp magazine used to correct the orientation of clamps.

Abstract

This utility model relates to a clip magazine for a series-fired clamp for correcting clip orientation. It includes a clip magazine and a pusher plate slidably disposed within the magazine. Several tissue clips are installed within the magazine, each tissue clip including two curved arms. A guiding component is provided on the front side wall of the magazine, comprising an elastic plate and a lever for correcting the orientation of the tissue clips. One end of the elastic plate is fixed to the side wall of the magazine, and its free end can deform and swing outwards from the magazine. The lever is disposed at the free end of the elastic plate and extends into the magazine, engaging with the clamping surface of one of the curved arms of the foremost tissue clip within the magazine. The purpose of this utility model is to provide a clip magazine for a series-fired clamp for correcting clip orientation, capable of adjusting the orientation of the tissue clips within the magazine, ensuring effective and secure contact between the pusher plate tongue and the hinge at the tail of the tissue clip, thereby ensuring smooth clip application.

Description

Technical Field

[0001] This utility model relates to the field of medical devices, specifically a clamp compartment for a continuous-fire clamping clamp used to correct the orientation of a clamp. Background Technology

[0002] A tissue clamp is a surgical instrument used to clamp tissues during minimally invasive surgery. When clamping tissues, the tissue clamp needs to be pushed out of the clamp and then the clamp head is used to close the tissue to achieve clamping.

[0003] For example, Teleflex Medical's repeating clamps and tissue clips have tissue clips arranged at equal intervals in the clip compartment. The hinges of the tissue clips are all biased towards one side of the clip compartment due to their elasticity. The push plate has the same number of small springs at the same distance as the tissue clips. The small springs push the support protrusion on one side of the tissue clip forward. Since the push plate pushes a certain distance, after pushing a tissue clip, the push plate retracts, and the small springs are squeezed by the support protrusion and also retract to the back of the support protrusion of the next tissue clip. This process is repeated to push the tissue clips back and forth until the tissue clip is pushed to the opening of the clip compartment.

[0004] When the tissue clip reaches the opening of the clip compartment, its latch will be caught by a hook-shaped spring on the side of the clip compartment. After the push plate retracts, the tongue of the push plate will press against the hinge at the tail of the tissue clip, thereby pushing the tissue clip out of the jaws to perform the clamping action.

[0005] Existing technology has flaws:

[0006] When the tissue clip is in the clip compartment, the hinge is biased to one side of the clip compartment, which is very unfavorable for pushing the tongue to effectively hold the hinge. Even if it initially holds the hinge, the bias will cause the tissue clip to rotate at the opening of the clip compartment, causing the tissue clip support protrusion to run out of the jaws and failing to complete the clamping action. Summary of the Invention

[0007] The purpose of this invention is to provide a continuously firing clamp magazine for correcting the orientation of clamps. It can adjust the orientation of the tissue clamp in the magazine, ensuring that the pusher tongue can make effective and secure contact with the hinge at the tail of the tissue clamp, thereby ensuring smooth clamping.

[0008] The objective of this utility model is achieved through the following technical solution: a clamp magazine for correcting the orientation of clamps, comprising a clamp magazine and a pusher plate slidably disposed within the clamp magazine. Several tissue clamps are installed within the clamp magazine, each tissue clamp including two curved arms. A guiding component is provided on the front side wall of the clamp magazine, comprising an elastic plate and a actuating plate for correcting the orientation of the tissue clamps. One end of the elastic plate is fixed to the side wall of the clamp magazine, and its free end can deform and swing outward from the clamp magazine. The actuating plate is disposed at the free end of the elastic plate and extends into the clamp magazine, contacting and engaging with the clamping surface of one of the curved arms of the foremost tissue clamp within the clamp magazine.

[0009] Compared with the prior art, the advantages of this utility model are:

[0010] 1. It can automatically guide the orientation of the tissue clip, greatly increasing the effective area of ​​the pusher tongue and the tissue clip hinge, thus ensuring the horizontality of the pusher.

[0011] 2. Ensure that the center horizontal line of the tissue clip is parallel to the center horizontal line of the jaws when it is removed from the jaws, which greatly reduces the risk of the tissue clip support protrusion deviating from the jaws. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an tissue clip.

[0013] Figure 2 This is a schematic diagram of the structure of a clamp magazine for a continuous-fire clamp used to correct the orientation of a clamp according to this utility model.

[0014] Figure 3 It is the initial assembly drawing of the tissue clipped into the clip compartment.

[0015] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0016] Figure 5 It is an assembly drawing showing the tissue being straightened in the clamp compartment.

[0017] Labeling Explanation: 1 Clip compartment, 2 Pusher tab, 3 Tissue clip, 3-1 Curved arm, 4 Elastic tab, 5 Actuating tab, 5-1 Angled guide, 6 Pusher tab tongue. Detailed Implementation

[0018] The present invention will now be described in detail with reference to the accompanying drawings and embodiments:

[0019] like Figures 1 to 5 The diagram shown is a schematic representation of an embodiment of a rapid-fire clamp magazine for correcting the orientation of a clamp provided by this utility model.

[0020] A clamp magazine for correcting the orientation of clamps includes a clamp magazine 1 and a pusher 2 slidably disposed in the clamp magazine 1. A plurality of tissue clips 3 are installed in the clamp magazine 1. Each tissue clip 3 includes two curved arms 3-1. A guide assembly is provided on the front side wall of the clamp magazine 1. The guide assembly includes an elastic piece 4 and a prying piece 5 for correcting the orientation of the tissue clips 3.

[0021] One end of the elastic sheet 4 is fixed to the side wall of the clamp compartment 1, and its free end can deform and swing outward from the clamp compartment 1.

[0022] The actuating piece 5 is located at the free end of the elastic piece 4 and extends into the clip compartment 1. The actuating piece 5 is in contact with the clamping surface of one of the curved arms 3-1 of the foremost tissue clip 3 in the clip compartment 1.

[0023] The actuating plate 5 has an inclined guide portion 5-1 on the side facing the clamping surface of the curved arm 3-1. The inclined guide portion 5-1 ensures the alignment of the tissue clip hinge, while not affecting the forward movement of the tissue clip 3 and the pushing plate 2.

[0024] The elastic sheet 4 extends along the conveying direction of the tissue clip 3, and its rear end is fixed to the side wall of the clip compartment 1. The actuating piece 5 is disposed on the front side edge of the elastic sheet 4.

[0025] The actuating piece 5 has a thin sheet structure.

[0026] The included angle between the elastic sheet 4 and the actuating sheet 5 is greater than 90°.

[0027] In this embodiment, when the tissue clip 3 is pushed to the front of the first clip compartment 1, elastic sheets 4 can be set in various directions near the opening of the clip compartment. The horizontal length of the elastic sheet 4 extends towards the opening of the clip compartment to ensure that it has a certain elasticity.

[0028] The side edge of the elastic sheet 4 is provided with a lever 5 that extends obliquely between the two curved arms 3-1 of the tissue clip 3. As the tissue clip 3 moves forward, the lever 5 structurally interferes with the lower curved arm 3-1, thereby squeezing the curved arm 3-1 and causing the tissue clip hinge to rotate, move away from the side of the clip compartment, and thus achieve alignment.

[0029] The working principle of this utility model is as follows:

[0030] 1. The guide assembly is located near the opening of the clamp compartment and has a toggle piece 5 extending into the clamp compartment. The toggle piece 5 is at an angle.

[0031] 2. The tissue clips inside the clip compartment are pushed forward one by one by the small shrapnels on the push plate until they reach the opening of the clip compartment;

[0032] 3. Because there is a lever 5 extending into the compartment at the opening of the clip, the lower curved arm of the tissue clip is limited. Since the lever 5 is fixed, the curved arm of the tissue clip is forced to tilt downward, thereby correcting the orientation of the entire tissue clip and achieving the correction of the tissue clip hinge.

[0033] 4. After the tissue clip hinge and the pusher tongue are aligned, the contact area increases, and the tissue clip is pushed horizontally into the jaws. During this process, the elastic plate 4 deforms and bends outward towards the outside of the clip compartment 1, and the pusher plate 5 makes way to prevent the tissue clip from reaching the jaws.

Claims

1. A clamp magazine for correcting the orientation of clamps, comprising a clamp magazine (1) and a pusher plate (2) slidably disposed within the clamp magazine (1), wherein a plurality of tissue clamps (3) are installed within the clamp magazine (1), and the tissue clamps (3) include two curved arms (3-1), characterized in that: The front side wall of the clip compartment (1) is provided with a guiding component, which includes an elastic sheet (4) and a pawl (5) for correcting the orientation of the tissue clip (3). One end of the elastic sheet (4) is fixed to the side wall of the clamp compartment (1), and its free end can deform and swing outward from the clamp compartment (1); The actuating piece (5) is located at the free end of the elastic piece (4) and extends into the clip compartment (1). The actuating piece (5) is in contact with the clamping surface of one of the curved arms (3-1) of the foremost tissue clip (3) in the clip compartment (1).

2. The continuous-fire clamp magazine for correcting clamp orientation according to claim 1, characterized in that: The actuating piece (5) is provided with a sloping guide (5-1) on the side facing the clamping surface of the curved arm (3-1).

3. The continuous-fire clamp magazine for correcting clamp orientation according to claim 1, characterized in that: The elastic sheet (4) extends along the conveying direction of the tissue clip (3), and its rear end is fixed to the side wall of the clip compartment (1). The actuating piece (5) is set on the front side edge of the elastic sheet (4).

4. The continuously firing clamp magazine for correcting clamp orientation according to claim 3, characterized in that: The actuating piece (5) has a thin sheet structure.

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