Wire passing device

Abstract

The utility model relates to a thread passing device and belongs to the technical field of medical instruments, the thread passing device comprises a holding handle and a thread passing rod, a thread pushing groove is formed in the holding handle, and a near-end through hole and a far-end through hole are formed in the two ends of the thread pushing groove respectively; the near end of the wire passing rod is mounted in the far-end through hole; a thread pushing roller is movably mounted on the bottom surface of the thread pushing groove, so that a plurality of first rollers are prevented from being used in a matched manner, and the problem that the operation cost is increased due to the fact that the device is too complicated to serve as a disposable article is solved; and an operator needs to reversely roll the roller to push the suture to move forwards through the roller, so that the problem of inconformity with the existing operation habits of medical personnel is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of medical instruments, and in particular relates to a wire passer. Background Art

[0002] The commonly used wound suturing method in current surgery involves threading the suture needle and then tying the suture. The suture is inserted into the needle's threading hole and then held with a needle holder for suturing. However, when suturing small wounds deep within tissue, the limited surgical area and limited scope of operation make it difficult to ensure effective repairs, significantly reducing surgical efficiency.

[0003] In order to solve the above problems, a wire-passing device is generally used, and the suture is generally passed through the wire-passing device manually by the operator, so that the suture is fed into the wire inlet on the wire-passing device and then extended from the bottom wire-passing tube. During the threading process, due to the insufficient hardness of the suture, when the distance passed through the device is long, the wire-feeding thrust of the wire inlet may not be able to make the bottom end of the suture continue to move downward stably, resulting in a relatively low threading efficiency of the suture, which is not conducive to the progress of the surgical work. The existing technology uses multiple rollers to rotate to promote the movement of the suture, but the existing technology more or less uses multiple rollers or rollers and interference cooperation to feed the wire.

[0004] Although the above-mentioned wire feeding method can solve the problem of unsmooth wire feeding by pure manual means, it also has the problem that the device is too complicated and as a disposable item, it will increase the cost of the operation.

[0005] In order to solve the above problems, a wire feeder is proposed which feeds the wire by the cooperation of a roller and an operator's fingers. Summary of the Invention

[0006] The purpose of the present invention is to provide a thread passer to improve the suturing efficiency of medical personnel during surgery.

[0007] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] A wire passing device comprises a gripping handle and a wire passing rod, wherein the gripping handle is provided with a wire pushing groove, and both ends of the wire pushing groove are respectively provided with a proximal through hole and a distal through hole;

[0009] The proximal end of the wire-passing rod is installed in the distal through hole;

[0010] A wire pushing roller is movably installed on the bottom surface of the wire pushing groove;

[0011] An integrated mounting shaft is provided on both sides of the wire pushing roller, an integrated shaft mounting groove is provided on both sides of the wire feeding roller mounting groove, and limiting fixing steps for fixing are provided on both sides of the integrated shaft mounting groove.

[0012] Beneficial effects:

[0013] The present invention pushes the suture forward by squeezing between the roller and the operator's thumb, avoiding the use of multiple rollers in combination, avoiding the problem of the device being too complicated and causing high surgical costs as a disposable item, and avoiding the need for the operator to roll the roller in the opposite direction to push the suture forward by using the roller as a push, which is inconsistent with the existing operating habits of medical staff.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is an overall structural diagram of an embodiment of the present disclosure;

[0017] Figure 2 This is a structural diagram of a handle according to an embodiment of the present disclosure;

[0018] Figure 3 This is a structural diagram of a wire crossing pole according to an embodiment of the present disclosure;

[0019] Figure 4 This is a diagram of the second roller installation structure according to an embodiment of the present disclosure;

[0020] Figure 5 This is a structural diagram of the second handle of the embodiment of the present disclosure. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0023] It should be noted that, in the present disclosure, “distal end” and “front end” are defined as the end away from the operator, and “proximal end” and “rear end” are defined as the end close to the operator.

[0024] Based on the above problems, the present application provides a wire feeder, such as Figure 1-Figure 3 As shown, it includes a grip handle 1 and a wire rod 2;

[0025] The gripping handle 1 is provided with a wire pushing groove 10 on one side near its distal end, and a proximal through hole 11 and a distal through hole 12 are respectively provided at both ends of the wire pushing groove 10. A wire feed roller mounting groove 14 is provided on the bottom surface of the wire feeding roller mounting groove 10, and a first roller 3 is movably mounted in the wire feed roller mounting groove 14. A threading guide hole 13 is provided on one end of the distal through hole 12 near the wire pushing groove 10, and the threading guide hole 13 is trumpet-shaped;

[0026] The wire passing rod 2 is installed in the distal through hole 12. The wire passing rod 2 includes a connecting straight pipe section 20. A reduced pipe section 21 is installed at the front end of the connecting straight pipe section 20. The front end face of the reduced pipe section 21 is provided with two sharp chamfers 23. A curved section 22 is provided at the front end of the reduced pipe section 21. The wire passing rod 2 is provided with a through hole for threading, so as to facilitate the suturing operation.

[0027] The method of using the above-mentioned thread passer is as follows: the user holds the gripping handle 1 in one hand, and the gripping position is at the distal end of the thread pushing groove 10, and passes the suture through the proximal through hole 11, passes through the first roller 3, and then passes through the threading guide hole 13 to enter the thread passing rod 2. The thumb of the operator's palm holding the gripping handle 1 is pressed against the first roller 3, and the suture is located between the first roller 3 and the operator's thumb. The operator's thumb pushes the suture forward, and at this time, the first roller 3 rolls forward to assist the suture in moving forward. This arrangement avoids the use of multiple rollers for use in combination, avoids the problem of the device being too complicated as a disposable item, which will cause the cost of surgery to increase. At the same time, using the roller to push the suture to move requires the operator to roll the roller in the opposite direction to push the suture forward, which is inconsistent with the operating habits of existing medical staff. At the same time, the soft material of the suture is easy to deviate only through the friction between multiple rollers.

[0028] In this embodiment, the first roller 3 is movably mounted on the wire feed roller mounting groove 14 via the roller mounting shaft 4 , and a shaft mounting hole 15 for mounting the roller mounting shaft 4 is provided on the side of the wire feed roller mounting groove 14 .

[0029] In this embodiment, a groove proximal inclined surface 103 and a groove distal inclined surface 102 are respectively provided on both sides of the groove bottom surface 101 below the wire pushing groove 10. The groove proximal inclined surface 103 is located on the proximal side of the wire pushing groove 10. In this way, the inclined setting of the groove proximal inclined surface 103 can facilitate operation and avoid discomfort caused by excessive resistance. The recommended setting angle of the groove proximal inclined surface 103 is 30°-50°, and all transition positions are set with rounded corners.

[0030] In some embodiments, the angle of the proximal slope 103 of the groove is 30°. In some embodiments, the angle of the proximal slope 103 of the groove is 50°. A suitable angle can be selected according to the diameter of the grip handle 1 .

[0031] Furthermore, a first clearance groove 16 connected to the proximal through hole 11 is provided on the proximal inclined surface 103 of the groove, and the bottom surface of the first clearance groove 16 is arranged horizontally with the bottom surface 101 of the groove. By setting the first clearance groove 16, the suture can be provided with support underneath to ensure the stability of the suture when it is pushed.

[0032] In some implementations, such as Figure 4 As shown, the wire pushing roller is the second roller 5, and an integrated mounting shaft 52 is provided on both sides of the second roller 5, and an integrated shaft mounting groove 141 is provided on both sides of the wire feed roller mounting groove 14. The bottom surface of the integrated shaft mounting groove 141 is an arc surface that cooperates with the integrated mounting shaft 52, and both sides of the integrated shaft mounting groove 141 are provided with limiting fixing steps 142 for fixing, and the limiting fixing steps 142 and the side surfaces of the integrated shaft mounting groove 141 adopt a rounded transition; through such an arrangement, the second roller 5 can be directly pressed and inserted into the bottom of the integrated shaft mounting groove 141 during installation, which is convenient and quick, reduces the number of parts, reduces material and assembly costs, and thus reduces the burden on patients.

[0033] The outer side of the second roller 5 is provided with friction protrusions 51 distributed around the circumference. The purpose of such arrangement is to increase friction, so that the second roller 5 can rotate synchronously when pushed by the thumb to avoid sliding friction between the sliding suture and the second roller 5.

[0034] In some implementations, such as Figure 5As shown, the handle is a second grip 6. A second wire entry groove 200 is provided on the side of the second grip 6 close to the wire rod 2. The second wire entry groove 200 includes a second proximal inclined surface 201 and a second connecting groove 202. The second proximal inclined surface 201 and the second distal inclined surface 203 are transitioned by a rounded corner. A proximal eccentric through hole 61 and a distal mounting hole 62 are provided on both sides of the second wire entry groove 200. The proximal eccentric through hole 61 is used to mount the wire rod 2. The wire rod 2 is concentric with the axis of the second grip 6. The proximal eccentric through hole 61 is eccentrically arranged with the axis of the second grip 6. The second proximal inclined surface 201 is provided with a second connecting groove 202 for mounting a roller. The second connecting groove 202 and the proximal eccentric through hole 61 penetrate each other. The roller is movably mounted in the second connecting groove 202. The distal mounting hole 62 penetrates the second distal inclined surface 203 through an inclined connecting wire hole 63 that is arranged obliquely.

[0035] Furthermore, the angle of the second proximal inclined surface 201 is 15°-30°. The small angle setting can better meet ergonomics, provide medical staff with a better operating experience, and thus ensure the operating effect.

[0036] In some embodiments, the second proximal bevel 201 is set at an angle of 15°. In some embodiments, the second proximal bevel 201 is set at an angle of 30°. A suitable angle can be selected according to the diameter of the second handle 6.

[0037] The implementation steps of this embodiment are as follows: the user holds the second handle 6 with one hand, and the holding position is the distal position of the second wire feeding groove 200, and passes the suture through the proximal eccentric through hole 61, passes above the roller, and then passes through the second proximal inclined surface 201 to enter the inclined connecting wire hole 63, and then enters the wire passing rod 2. The thumb of the operator's palm holding the handle 1 is against the roller, and the suture is located between the roller and the operator's thumb. The operator's thumb pushes the suture forward, and at this time the roller rolls forward to assist the suture to move forward. Such a setting avoids the use of multiple rollers in combination, avoids the problem of the device being too complicated as a disposable item causing higher surgical costs, and at the same time, using the roller to push the suture movement requires the operator to roll the roller in the opposite direction to push the suture forward, which is inconsistent with the existing operating habits of medical staff. At the same time, the soft material of the suture is easy to deviate due to the friction between multiple rollers; at the same time, the inclined connection line hole 63 and the second connection groove 202 can provide sufficient support for the suture to ensure its stability. At the same time, the eccentric setting of the proximal eccentric through hole 61 can set the roller on the inclined surface, which is convenient for medical staff to hold the operation, and is more ergonomic to ensure operating accuracy.

[0038] Furthermore, a plurality of arc grooves 64 are provided at the proximal end of the proximal eccentric through hole 61, thereby improving the operation and gripping experience of medical staff.

[0039] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0040] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A wire passing device, comprising a grip handle and a wire passing rod, characterized in that: The gripping handle is provided with a wire pushing groove, and both ends of the wire pushing groove are respectively provided with a proximal through hole and a distal through hole; The proximal end of the wire-passing rod is installed in the distal through hole; A wire pushing roller is movably installed on the bottom surface of the wire pushing groove; An integrated mounting shaft is provided on both sides of the wire pushing roller, an integrated shaft mounting groove is provided on both sides of the wire feeding roller mounting groove, and limiting fixing steps for fixing are provided on both sides of the integrated shaft mounting groove.

2. A wire feeder according to claim 1, characterized in that: The two sides of the wire pushing groove are respectively provided with a groove proximal inclined surface and a groove distal inclined surface. The groove proximal inclined surface is located on the proximal side of the wire pushing groove, and the setting angle of the groove proximal inclined surface is 30°-50°.

3. A wire feeder according to claim 1, characterized in that: A first paving groove communicating with the proximal through hole is provided on the proximal inclined surface of the groove, and the bottom surface of the first paving groove is arranged horizontally with the bottom surface of the wire pushing groove.

4. A wire passer according to claim 1, characterized in that: The limiting fixing step and the side surface of the integral shaft installation groove adopt a rounded transition.

5. A wire feeder according to claim 1, characterized in that: The outer side of the wire pushing roller is provided with friction protrusions distributed in a circumferential direction.

6. A wire feeder according to claim 1, characterized in that: The proximal end of the gripping handle is provided with a plurality of arc grooves.

7. The wire feeder according to claim 1, characterized in that: The wire rod includes a connecting straight pipe section, a shrink pipe section is installed at the front end of the connecting straight pipe section, the front end face of the shrink pipe section is provided with two sharp chamfers, and a curved section is provided at the front end of the shrink pipe section.

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