Cavity suture channel expanding and guiding device

Abstract

A cavity suture channel expanding and guiding device is provided with a handle part and an expanding part used for forming an arc-shaped channel and expanding, and the expanding part and the handle part are integrally connected. A containing cavity used for containing suture lines or linear suture materials is formed in the expansion part. The expansion part is in an arc shape, the central angle of the arc shape is defined as A, and A is larger than or equal to 180 degrees and smaller than or equal to 270 degrees. The cavity suturing channel expanding and guiding device is simple in structure and low in cost, the arc-shaped channel is formed by the cavity suturing channel expanding and guiding device, the arc-shaped channel can be expanded, and therefore thick silk threads or linear suturing materials can penetrate through the arc-shaped channel conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical machinery technical field, especially a cavity tract suture channel expansion and guiding device. BACKGROUND

[0002] At present, the cavity contraction, such as colpotropia, mainly makes a semicircular incision at the vaginal orifice, separates under the mucosa, separates to the upper part of the vaginal sphincter, then uses the thick silk thread or linear suture material to suture the vaginal sphincter layer by layer, makes the vaginal orifice smaller and forms. Since the cavity contraction needs to form an arc channel in the cavity muscle and use the contraction line or linear suture material through the arc channel, then return to the starting point and reduce and form again.

[0003] The suture needle used at present, such as the suture needle for cervical cerclage disclosed in Chinese patent publication No. CN219557424U. This suture needle can only form an arc channel similar in diameter to the suture needle, and the suture needle cannot expand the diameter of the arc channel. For some cavities, such as colpotropia, it is necessary to use a thick silk thread or linear suture material much thicker than the current wound suture, such as protein thread and acellular dermal biological band, because the needle hole of the suture needle is small and the arc channel formed by it is small, the operation difficulty is increased and the operation time is increased.

[0004] Therefore, in view of the deficiencies of the prior art, it is necessary to provide a cavity tract suture channel expansion and guiding device to solve the deficiencies of the prior art. UTILITY MODEL CONTENT

[0005] The utility model aims at avoiding the deficiencies of the prior art and providing a cavity tract suture channel expansion and guiding device. The cavity tract suture channel expansion and guiding device can form an arc channel and also expand the arc channel, thereby facilitating the passage of thick silk thread or linear suture material.

[0006] The above-mentioned purpose of the utility model is realized by the following technical measures:

[0007] A cavity tract suture channel expansion and guiding device is provided, which is provided with a handle part and an expansion part for forming an arc channel and expanding. The expansion part is integrally connected with the handle part. The inside of the expansion part is provided with a containing cavity for containing suture thread or linear suture material.

[0008] Preferably, the shape of the expansion part is circular arc, and the central angle of the circular arc is defined as A, and 180°≤A≤270°.

[0009] When the cavity tract suture channel expansion and guiding device is closed, the plane where the expansion part is located is perpendicular to the plane where the handle part is located.

[0010] Preferably, the handle part is provided with a first handle and a second handle, the first handle and the second handle are hingedly connected and cross each other.

[0011] Preferably, the expansion part is provided with an upper expansion arm and a lower expansion arm, the upper expansion arm is integrally connected with the first handle, and the lower expansion arm is integrally connected with the second handle.

[0012] Preferably, the lower surface of the upper expansion arm is provided with a first groove for accommodating suture or linear suture material.

[0013] Preferably, the upper surface of the lower expansion arm is provided with a second groove for accommodating suture or linear suture material.

[0014] Preferably, the first groove and the second groove constitute the accommodation cavity.

[0015] When the cavity suture channel expansion and guide device is closed, the cross section of the expansion part is circular ring shape.

[0016] Preferably, the front end of the expansion part is arc structure.

[0017] Preferably, the expansion part is provided with a plurality of locking ribs for preventing suture or linear suture material from sliding, the locking ribs are integrally connected inside the first groove and the second groove, respectively.

[0018] The locking ribs located in the first groove and the locking ribs located in the second groove are completely staggered.

[0019] Preferably, the surface of the locking rib is also integrally connected with a tooth.

[0020] The cavity suture channel expansion and guide device of the utility model is provided with a handle part and an expansion part for forming an arc-shaped channel and expanding, the expansion part is integrally connected with the handle part. The inside of the expansion part is provided with an accommodation cavity for accommodating suture or linear suture material. The shape of the expansion part is arc shape, and the central angle of the arc shape is defined as A, and there is 180°≤A≤270°. The cavity suture channel expansion and guide device has simple structure and low cost, the cavity suture channel expansion and guide device forms an arc-shaped channel, and can also expand the arc-shaped channel, so as to facilitate the passing of thick silk or linear suture material. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model is further described by using the drawings, but the content in the drawings does not constitute any limitation to the utility model.

[0022] Figure 1 It is the structure schematic view when the cavity suture channel expansion and guide device is opened.

[0023] Figure 2 This is a schematic diagram of the cavity suture channel expansion and guiding device when closed.

[0024] Figure 3 for Figure 2 Another perspective diagram.

[0025] Figure 4 This is a structural diagram of the upper extension arm and the first handle.

[0026] Figure 5 This is a structural diagram of the lower extension arm and the second handle.

[0027] Figure 6 for Figure 3 A schematic diagram of the cross-section in the "BB" direction.

[0028] Figure 7 This is a schematic diagram of the upper extension arm and the first handle in Example 2.

[0029] Figure 8 This is a schematic diagram of the lower extension arm and the second handle in Example 2.

[0030] Figure 9 This is a schematic diagram of the cross-section of the expansion section.

[0031] Figure 10 This is a schematic diagram of another cross-section of the expansion section.

[0032] exist Figures 1 to 10 This includes:

[0033] Handle 100, First handle 110, Second handle 120

[0034] Expansion section 200, receiving cavity 210, upper expansion arm 220, lower expansion arm 230, first groove 240, second groove 250, locking rib 260. Detailed Implementation

[0035] The technical solution of this utility model will be further explained with reference to the following embodiments.

[0036] Example 1

[0037] A cavity suture channel expansion and guiding device, such as Figures 1 to 2 As shown, the device includes a handle portion 100 and an expansion portion 200 for forming an arc-shaped channel and expanding. The expansion portion 200 is integrally connected to the handle portion 100. The interior of the expansion portion 200 has a receiving cavity 210 for accommodating sutures or linear suture materials.

[0038] like Figure 3As shown, the shape of the expansion part 200 is circular arc, and the central angle of the circular arc is defined as A, and 180°≤A≤270°. The handle part 100 is provided with a first handle 110 and a second handle 120, and the first handle 110 and the second handle 120 are hingedly connected and cross arranged. The expansion part 200 is provided with an upper expansion arm 220 and a lower expansion arm 230, and the upper expansion arm 220 is integrally connected with the first handle 110, and the lower expansion arm 230 is integrally connected with the second handle 120.

[0039] It should be noted that the shape of the expansion part 200 is matched with the shape of the cavity, so as to form a corresponding arc-shaped channel, and the first handle 110 and the second handle 120 are opened to separate the upper expansion arm 220 and the lower expansion arm 230, so as to realize the effect of expanding the arc-shaped channel.

[0040] When the cavity suture channel expansion and guiding device is closed, the plane where the expansion part 200 is located is perpendicular to the plane where the handle part 100 is located.

[0041] As shown in Figures 4 to 6 The lower surface of the upper expansion arm 220 is provided with a first groove 240 for accommodating the suture or linear suture material. The upper surface of the lower expansion arm 230 is provided with a second groove 250 for accommodating the suture or linear suture material; the first groove 240 and the second groove 250 constitute an accommodation cavity 210.

[0042] It should be noted that after the arc-shaped channel is formed, the suture or linear suture material is clamped inside the accommodation cavity 210 by the upper expansion arm 220 and the lower expansion arm 230, so that the suture or linear suture material can be inserted into the arc-shaped channel.

[0043] When the cavity suture channel expansion and guiding device is closed, the cross-sectional shape of the expansion part 200 is circular ring. The front end of the expansion part 200 is a circular arc structure.

[0044] It should be noted that the circular arc structure of the front end of the expansion part 200 is to make the expansion part 200 form a blunt end surface, so that the suture or linear suture material can be inserted into the cavity wall surface. Moreover, the cross-sectional shape of the expansion part 200 is to facilitate the expansion part 200 to enter and exit the cavity wall surface.

[0045] The use method of the utility model is, first, close the cavity way suture channel expansion and guiding device, at this time the upper expansion arm 220 and the lower expansion arm 230 abut each other, the operator inserts the expansion part 200 into the cavity wall surface, and rounds the cavity, finally forms an outlet on the cavity wall surface, and forms an arc channel in the cavity; Second, open the upper expansion arm 220 and the lower expansion arm 230, thereby expanding the diameter of the arc channel; Third, take out the expansion part 200, fix the suture line or linear suture material in the containing cavity 210; Fourth, the expansion part 200 enters the arc channel again, and the end of the suture line or linear suture material is taken out from the outlet; Fifth, the expansion part 200 exits.

[0046] The cavity way suture channel expansion and guiding device is simple in structure and low in cost, forms an arc channel, and can also expand the arc channel, thereby facilitating the passing of the thick silk line or linear suture material.

[0047] Embodiment 2

[0048] A cavity way suture channel expansion and guiding device, as shown in Figures 7 to 10 The expansion part 200 is provided with a plurality of locking ribs 260 for preventing the suture line or linear suture material from sliding, and the locking ribs 260 are integrally connected to the interiors of the first groove 240 and the second groove 250, respectively. The locking ribs 260 located in the first groove 240 and the locking ribs 260 located in the second groove 250 are completely staggered in distribution. The surface of the locking rib 260 is also integrally connected with a tooth.

[0049] It should be noted that the locking ribs 260 in the first groove 240 and the second groove 250 can effectively clamp the suture line or linear suture material, preventing the suture line or linear suture material from sliding. Moreover, the locking ribs 260 in the first groove 240 and the second groove 250 are completely staggered in distribution, which ensures that the suture line or linear suture material is clamped while being completely accommodated in the interior of the containing cavity 210.

[0050] Compared with embodiment 1, the cavity way suture channel expansion and guiding device of the present embodiment has a better clamping effect on the suture line or linear suture material.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.

Claims

1. A lumen-sealing passageway dilation and guidance device, characterized by: Handle part and expansion part for forming arc-shaped channel and expansion, the expansion part is integrally connected with the handle part; The expansion part is internally provided with a containing cavity for containing suture or linear suture material; The shape of the expansion part is circular arc, and the central angle of the circular arc is defined as A, and 180°≤A≤270°.

2. The lumen-sealing passageway dilation and guidance device of claim 1, wherein: When the cavity channel expansion and guiding device is closed, the plane of the expansion part and the plane of the handle part are perpendicular to each other.

3. The lumen-sealing access passage dilating and guiding device according to claim 1 or 2, characterized in that: The handle part is provided with a first handle and a second handle, and the first handle and the second handle are hingedly connected and cross arranged; The expansion part is provided with an upper expansion arm and a lower expansion arm, the upper expansion arm is integrally connected with the first handle, and the lower expansion arm is integrally connected with the second handle.

4. The tract-sewn passageway dilation and guide device of claim 3, wherein: The lower surface of the upper expansion arm is provided with a first groove for containing suture or linear suture material.

5. The tract-sewn passageway dilation and guide device of claim 4, wherein: The upper surface of the lower expansion arm is provided with a second groove for containing suture or linear suture material. The first groove and the second groove constitute the containing cavity.

6. The tract-sewn passageway dilation and guide device of claim 5, wherein: When the cavity channel expansion and guiding device is closed, the cross section of the expansion part is circular ring shape.

7. The tract suturing passageway dilation and guiding device according to claim 6, characterized by: The front end of the expansion part is circular arc structure.

8. The tract-sewn passageway dilation and guide device of claim 7, wherein: The expansion part is provided with a plurality of locking ribs for preventing suture or linear suture material from sliding, and the locking ribs are integrally connected in the interior of the first groove and the second groove respectively.

9. The tract suturing passageway dilation and guiding device according to claim 8, characterized in that: The locking ribs located in the first groove and the locking ribs located in the second groove are completely staggered.

10. The tract-sewn passageway dilation and guide device of claim 9, wherein: The surface of the locking rib is also integrally connected with a tooth.

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