CN219594705U

CN219594705U - Ligation device

Info

Publication number: CN219594705U
Application number: CN202223351774.8U
Authority: CN
Inventors: 徐庆; 赵哲光; 李晓东
Original assignee: Zhejiang Chuangxiang Medical Technology Co ltd
Current assignee: Zhejiang Chuangxiang Medical Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-08-29
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to the technical field of medical instruments, in particular to a ligature device. The device comprises a base, wherein a first supporting piece and a second supporting piece are arranged on the base, a first through hole is formed in the first supporting piece, and a second through hole is formed in the second supporting piece; a one-way bearing is arranged at the first through hole; still include the pivot, the pivot sets up with first through-hole and second through-hole cooperation, the pivot includes first axle segment and second axle segment, the second axle segment be used for with one-way bearing cooperation, second axle segment diameter is greater than first axle segment. Aiming at the technical problem that the traditional ligature device is inconvenient in use, the utility model can realize the switching of unidirectional rotation and bidirectional rotation of the rotating shaft, improves the operation convenience of releasing the elastic ferrule by wire harness traction in the operation, and can meet the requirement of rapid harness retraction and arrangement.

Description

Ligation device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a ligature device.

Background

The ligation is a common method for treating hemorrhoids and varicose veins of the digestive tract, and a ligation device is generally used for ligating a lesion. For example, the endoscope ligation device is suitable for being matched with an endoscope for EVL treatment, the ligation ring and the head part for fixing the ligation ring enter a patient body through the endoscope, and the ligation ring is released through the action of an external control seat. However, the ligature device can only rotate in one direction or in two directions, but cannot be flexibly selected according to the actual operation condition, and is not easy to operate, so that the operation control of the ligature device is inaccurate, and the use of the EVL is not facilitated.

Disclosure of Invention

Technical problem to be solved by the utility model

Aiming at the technical problem that the traditional ligation device is inconvenient to use, the utility model provides the ligation device which can realize the switching of unidirectional rotation and bidirectional rotation of a rotating shaft, improve the operation convenience of releasing an elastic ferrule by wire harness pulling in the operation and can meet the requirement of rapid bundling and finishing of wire harnesses.

Technical proposal

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the ligature device comprises a base, wherein a first supporting piece and a second supporting piece are arranged on the base, a first through hole is formed in the first supporting piece, and a second through hole is formed in the second supporting piece; a one-way bearing is arranged at the first through hole; still include the pivot, the pivot sets up with first through-hole and second through-hole cooperation, the pivot includes first axle segment and second axle segment, the second axle segment be used for with one-way bearing cooperation, second axle segment diameter is greater than first axle segment.

Optionally, the device further comprises a ligation head, wherein the ligation head is connected with the base through a pipe fitting, and an LED lamp is arranged at the end of the ligation head.

Optionally, a ball is disposed at the second through hole, and the ball abuts against the rotating shaft.

Optionally, a through cavity is arranged in the second supporting piece and is communicated with the second through hole, a spring is arranged in the through cavity, and the ball is arranged at the end part of the spring; the rotating shaft comprises a fourth shaft section, a groove is formed in the fourth shaft section, and the groove is used for propping against the ball.

Optionally, the pivot includes the third axle section, the third axle section is located between first support piece and the second support piece, the both ends of third axle are connected with second axle section and fourth axle section respectively, the third axle section outside is provided with a wire arrangement section of thick bamboo.

Optionally, an extension section is disposed between the third shaft section and the fourth shaft section, the third shaft section and the extension section are both located between the first support piece and the second support piece, the third shaft section is larger than the first through hole and the second through hole, and the extension section is smaller than the second through hole.

Optionally, a wire groove is arranged on the wire arranging barrel.

Optionally, the third shaft section is a square cylinder.

Optionally, one end of the first shaft section is provided with a stopper.

Optionally, a hand wheel is arranged at one end of the rotating shaft.

Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

Drawings

FIG. 1 is a schematic illustration of a construction of a ligature apparatus according to an embodiment of the present utility model.

FIG. 2 is a second schematic view of a ligature apparatus according to an embodiment of the present utility model.

FIG. 3 is a schematic cross-sectional view of a ligature apparatus according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a rotating shaft according to an embodiment of the present utility model.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

Example 1

1-4, the present embodiment provides a ligature apparatus, including a base 100, wherein a first support member 110 and a second support member 120 are disposed on the base 100, a first through hole is disposed on the first support member 110, and a second through hole is disposed on the second support member 120; a one-way bearing 103 is arranged at the first through hole; still include the pivot, the pivot sets up with first through-hole and second through-hole cooperation, the pivot includes first axle segment 201 and second axle segment 202, second axle segment 202 be used for with the cooperation of one-way bearing 103, second axle segment 202 diameter is greater than first axle segment 201.

According to the loop ligature device, the wire harness used for controlling the elastic loop is arranged on the rotating shaft, the switching of unidirectional rotation and bidirectional rotation of the rotating shaft can be realized, the operation convenience of the wire harness in operation is improved, the rapid beam-retracting arrangement of the wire harness can be met, and the disordered release of the wire harness can be prevented. In the above embodiment, the elastic ferrule, the wire harness, and the like are conventional techniques of the ligature device, and will not be described in detail.

In this embodiment, the first supporting member 110 and the second supporting member 120 are used for erecting a rotating shaft, and the rotating shaft penetrates through the first through hole and the second through hole. The rotating shaft comprises a first shaft section 201 and a second shaft section 202, a one-way bearing 103 is arranged at the first through hole, the second shaft section 202 is used for being matched with the one-way bearing 103, the diameter of the second shaft section 202 is larger than that of the first shaft section 201, and therefore the first shaft section 201 cannot be matched with the one-way bearing 103.

The loop ligature device of the present embodiment works in such a way that the shaft can only rotate in one direction when the shaft slides to the second shaft section 202 to mate with the one-way bearing 103. The unidirectional rotating shaft can enable an operator to control the release of the elastic ferrule more conveniently, so that the operation in operation is more accurate.

When the rotating shaft slides, so that the second shaft section 202 is out of engagement with the unidirectional bearing 103, the first shaft section 201 cannot be engaged with the bearing because the diameter of the second shaft section 202 is larger than that of the first shaft section 201, and at this time, the rotating shaft is not limited, so that bidirectional rotation can be realized. At this time, the pivot of two-way rotation is more convenient for the winding of pencil accomodate, the arrangement of pencil of being convenient for.

As an alternative implementation manner of the embodiment, the device further comprises a ligation head 300, wherein the ligation head 300 is connected with the base 100 through a pipe fitting 302, and an LED lamp 301 is arranged at the end part of the ligation head 300. In this embodiment, the ligation device further includes a ligation head 300, and the LED lamp 301 disposed at the end of the ligation head 300 can ensure sufficient illumination of the surgical site, so that the medical staff can perform the surgical operation conveniently. The tube 302 enables a connection between the ferrule 300 and the base 100, it being conceivable that the LED lamp 301 could be powered by a cable passing through the tubing.

Based on the arrangement of the LED lamp 301 in the present embodiment, the ligation device of the present embodiment has a larger application range. The ligation is a common method for treating hemorrhoids and varicose veins of the digestive tract, and a ligation device is used, but the hemorrhoid treatment and the digestive tract treatment are treated by using ferrules, and the principle is similar, but the ligation device cannot be used universally. In general digestive tract operation, the ligature device can be used together with a gastrointestinal endoscope, so that no additional illumination is needed; however, in hemorrhoid operation, generally, a pistol-type hemorrhoid ligation apparatus is adopted, but the forward and backward movement of the ligation tube is completed by wire drawing, the operation is inconvenient, and a certain difficulty is brought to hemorrhoid treatment due to no lighting equipment or imperfect lighting equipment. Therefore, in this embodiment, by providing the LED lamp 301 at the end of the ligation head 300, the range of use of the ligation device is enlarged.

As an alternative implementation manner of this embodiment, a ball 211 is disposed at the second through hole, and the ball 211 abuts against the rotating shaft. In this embodiment, in order to further improve the smoothness of the rotation between the second through hole and the rotation shaft, a spring 213 is disposed in the through cavity 212, and a ball 211 is disposed at the end of the spring 213, so that friction is reduced by using the abutting fit of the ball 211 and the rotation shaft, and the smoothness of the rotation is improved.

As an alternative implementation manner of this embodiment, a through cavity 212 is disposed in the second support 120, the through cavity 212 is communicated with the second through hole, a spring 213 is disposed in the through cavity 212, and the ball 211 is disposed at an end of the spring 213; the rotating shaft comprises a fourth shaft section 204, and a groove is arranged on the fourth shaft section 204 and is used for propping against the ball 211. In this embodiment, the fourth shaft section 204 is a shaft section that is in abutting contact with the balls 211. It is conceivable that, since the shaft controls the cooperation of the second shaft section 202 and the one-way bearing 103 by sliding, the arrangement of the spring 213 can adaptively adjust the position of the ball 211 when the shaft is in the process of switching sliding, and the fourth shaft section 204 can press the ball 211 so as not to interfere with the sliding of the shaft. It is conceivable that the fourth shaft section 204 is provided with a groove, and the shape of the groove is matched with that of the ball 211, so that the groove can be used for matching with the ball 211, and the rotating smoothness of the rotating shaft is further improved.

As an alternative implementation manner of this embodiment, the rotating shaft includes a third shaft section 203, the third shaft section 203 is located between the first supporting member 110 and the second supporting member 120, two ends of the third shaft are respectively connected with the second shaft section 202 and the fourth shaft section 204, and a wire arranging barrel 104 is disposed outside the third shaft section 203. The present embodiment relates to a further arrangement of the rotating shaft, in this embodiment, the rotating shaft includes a third shaft section 203, the third shaft section 203 is located between the first supporting member 110 and the second supporting member 120, and the third shaft section 203 is used for assembling the wire arranging barrel 104.

Example 1

With reference to fig. 1-4, this embodiment provides a ligature apparatus, which can be modified on the basis of the first embodiment as follows: an extension section 205 is disposed between the third shaft section 203 and the fourth shaft section 204, the third shaft section 203 and the extension section 205 are both located between the first support member 110 and the second support member 120, the third shaft section 203 is larger than the first through hole and the second through hole, and the extension section 205 is smaller than the second through hole.

The present embodiment relates to a further arrangement mode of the third shaft section 203, in which an extension section 205 is provided at one end of the third shaft section 203, and because the sliding requirement of the rotating shaft needs to be satisfied, when the size of the third shaft section 203 is greater than that of the first through hole and the second through hole, the third shaft section 203 can play a limiting role, so as to prevent the sliding distance of the rotating shaft from being too large and being disengaged. And based thereon, to meet the sliding requirement, the length of the third shaft section 203 is smaller than the spacing between the first support 110 and the second support 120. It is conceivable that, based on the above arrangement, the extension 205 is smaller than the second through hole, also to ensure that the spindle can slide.

As an alternative implementation of this embodiment, the wire arranging barrel 104 is provided with a wire groove 105. By providing the wire groove 105 on the wire arranging barrel 104, the wire harness wound on the wire arranging barrel 104 can be better accommodated, and particularly, the end wire harness can be better fixed with the wire arranging barrel 104.

As an alternative implementation of this embodiment, the third shaft section 203 is a square cylinder. In this embodiment, an implementation manner of the third shaft section 203 is designed, and the third shaft section 203 is a square cylinder, so as to be convenient to cooperate with the wire arranging barrel 104 to drive the wire arranging barrel 104 to rotate.

As an alternative implementation of this embodiment, one end of the first shaft section 201 is provided with a stop member 106. In this embodiment, the stop 106 is provided at one end of the first shaft section 201 to prevent the shaft from disengaging during sliding.

As an alternative implementation of this embodiment, a hand wheel 107 is disposed at one end of the rotating shaft. In this embodiment, the hand wheel 107 is provided to facilitate the rotation of the rotating shaft by the user, so as to drive the release or contraction of the wire harness, so as to control the release of the elastic ferrule.

The utility model and its embodiments have been described above schematically, without limitation, and the actual construction is not limited to this, as it is shown in the drawings, which are only one of the embodiments of the utility model. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. The ligature device is characterized by comprising a base, wherein a first supporting piece and a second supporting piece are arranged on the base, a first through hole is formed in the first supporting piece, and a second through hole is formed in the second supporting piece; a one-way bearing is arranged at the first through hole;

the rotary shaft is matched with the first through hole and the second through hole, the rotary shaft comprises a first shaft section and a second shaft section, the second shaft section is used for being matched with the one-way bearing, and the diameter of the second shaft section is larger than that of the first shaft section;

the novel ligature device is characterized by further comprising a ligature head, wherein the ligature head is connected with the base through a pipe fitting, and an LED lamp is arranged at the end of the ligature head.

2. The ligature apparatus according to claim 1, wherein the second through hole is provided with a ball, and the ball is abutted against the rotating shaft.

3. The ligature apparatus according to claim 2, wherein a through cavity is provided in the second support member, the through cavity is communicated with the second through hole, a spring is provided in the through cavity, and the ball is provided at an end of the spring;

the rotating shaft comprises a fourth shaft section, a groove is formed in the fourth shaft section, and the groove is used for propping against the ball.

4. A ligature apparatus according to claim 3 wherein the shaft comprises a third shaft section located between the first and second supports, the ends of the third shaft being connected to the second and fourth shaft sections respectively, and a wire management barrel being provided outside the third shaft section.

5. The ligature apparatus of claim 4 wherein an extension is disposed between the third and fourth shaft sections, the third and extension being disposed between the first and second supports, the third shaft section being sized to be larger than the first and second through holes, the extension being sized to be smaller than the second through hole.

6. The ligature apparatus according to claim 4, wherein the wire arranging barrel is provided with a wire groove.

7. The ligature apparatus of claim 4 wherein said third shaft section is a square cylinder.

8. The ligature apparatus of claim 1 wherein said first shaft section is provided with a stop at one end.

9. A ligature apparatus according to claim 1 wherein one end of the shaft is provided with a hand wheel.