CN210301169U

CN210301169U - Artificial membrane-breaking pliers

Info

Publication number: CN210301169U
Application number: CN201920602185.1U
Authority: CN
Inventors: 陈露露; 漆洪波; 张华�
Original assignee: First Affiliated Hospital of Chongqing Medical University
Current assignee: First Affiliated Hospital of Chongqing Medical University
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-04-14
Anticipated expiration: 2029-04-28

Abstract

The utility model relates to an artificial rupture of membranes pincers, including the pincers body and spacing subassembly. The two clamp bodies are rotatably connected through a rotating shaft and comprise a handle portion and a clamping portion, the clamping portion is bent to be arc-shaped, and a clamping piece is arranged at one end, far away from the rotating shaft, of the clamping portion. The limiting assembly comprises a fixed cylinder, a connecting rod, an elastic piece and a limiting block, the fixed cylinder is arranged on one clamping part, a sliding cavity is formed in the fixed cylinder, the connecting rod is arranged on the other clamping part, and the connecting rod is slidably inserted into the sliding cavity. The lateral wall of connecting rod is equipped with a plurality of spacing grooves along the axial interval, and the stopper passes through the elastic component to be installed on the inner wall of fixed section of thick bamboo, and the stopper inserts the spacing inslot under the effect of elastic component. The clamping part of the artificial rupture clamp adapts to the physiological radian of the vagina of a human body and is smoothly inserted. The clamping piece can avoid stabbing the vaginal wall and the baby, and ensure that the clamping fetal membrane is stable and does not fall off. The limiting assembly can prevent medical staff from pressing the forceps body all the time, and the medical staff can conveniently break membranes.

Description

Artificial membrane-breaking pliers

Technical Field

The utility model relates to the technical field of medical equipment, especially relate to an artifical rupture of membranes pincers.

Background

At present, no special instrument is available for artificial rupture of membranes in obstetrical clinical practice, most of the artificial rupture of membranes are long or short vascular clamps, and cotton swab sticks are also used. However, all of these devices currently used clinically for artificial rupture of membranes are relatively sharp and have a high probability of damaging the fetus. In addition, rupture of membranes is difficult to perform in some cases where the fetal head is slightly elevated, the amniotic sac is not protruded and the tension is not high. Also, the use of these devices requires a highly skilled clinician or midwife to operate in order to avoid fetal injury or rupture of the membranes. Meanwhile, medical staff need to constantly keep the instrument to clamp the fetal membranes, and force is not uniform, so that the fetal membranes are loosened or broken, and membrane breaking operation of the medical staff is not facilitated.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for an artificial rupture clamp that can ensure the success rate of rupture of membranes without damaging the fetus and cervix, and is easy to operate.

An artificial membrane rupturing forceps comprising:

the pair of pliers bodies are rotatably connected through a rotating shaft and comprise handle portions and clamping portions, the clamping portions are bent into arc shapes, and clamping pieces are arranged at one ends, far away from the rotating shaft, of the clamping portions; and

spacing subassembly, including solid fixed cylinder, connecting rod, elastic component and stopper, gu fixed cylinder set up in one of them on the clamping part, gu fixed cylinder has seted up smooth chamber, the connecting rod sets up in another on the clamping part, connecting rod slidable set up in the smooth intracavity, the lateral wall of connecting rod is equipped with a plurality of spacing grooves along axial interval, the stopper passes through the elastic component install in gu on fixed cylinder's the inner wall, the stopper is in insert under the effect of elastic component in the spacing groove.

In one embodiment, a finger ring is arranged on one side of each clamping part, which is far away from the other clamping part.

In one embodiment, the side wall of each of the clamping parts remote from the other clamping part is provided with a finger-receiving groove.

In one embodiment, the clamping surface of the clamping piece is provided with anti-skid lines.

In one embodiment, the limiting assembly further comprises a return spring, the return spring is arranged in the fixed cylinder, and the return spring is located between the bottom of the sliding cavity and the connecting rod.

In one embodiment, the limiting assembly further comprises a positioning column, the positioning column is arranged at the bottom of the sliding cavity, and the positioning column penetrates through the return spring.

In one embodiment, the inner wall of the fixed cylinder is provided with a limit convex ring, and the end part of the connecting rod is provided with a limit bulge matched with the limit convex ring.

In one embodiment, the end part of the limiting block inserted into the limiting groove is arc-shaped, and the side wall of the connecting rod is provided with a sliding groove communicated with the limiting grooves along the axial direction.

The clamping part of the artificial rupture clamp is curved into an arc shape, so that the artificial rupture clamp adapts to the physiological radian of the vagina of a human body and is smoothly inserted. The clamping piece is arranged at the front end of the clamping part, so that the vaginal wall and the baby can be prevented from being punctured, and the clamping fetal membranes can be clamped by the clamping piece, so that the clamping fetal membranes can be ensured to be stable and not to fall off. When pressing the handheld portion or opening the handheld portion when doctorsing and nurses, the connecting rod moves in the sliding cavity of a fixed cylinder, and the limiting block can be inserted into the limiting groove under the effect of the elastic piece to limit the position of the connecting rod, and then fix the angle between two forceps bodies, and guarantee that the clamping of the fetal membranes by the artificial membrane-breaking forceps is realized. The limiting assembly can prevent medical workers from pressing the clamp body all the time, so that the medical workers do uneven force, the fetal membranes are loosened or clamped, and the medical workers can break membranes conveniently.

Drawings

FIG. 1 is a top view of an embodiment of an artificial rupture disk clamp;

FIG. 2 is a left side view of the artificial rupture pliers of FIG. 1;

FIG. 3 is a schematic structural view of the stop assembly of FIG. 1;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Referring to fig. 1, an artificial rupture disk clamp 10 in one embodiment is used for holding a fetal membrane by medical staff during obstetrical department, so as to rupture the fetal membrane. Specifically, the artificial rupture clamp 10 includes a clamp body 100 and a limiting assembly 200.

The number of the forceps bodies 100 is two, the two forceps bodies 100 are crossed, the two forceps bodies 100 are rotatably connected through a rotating shaft 102, and the two forceps bodies 100 are matched with each other to clamp the fetal membranes. Specifically, the forceps body 100 includes a handle portion 110 and a grip portion 120, and the handle portion 110 and the grip portion 120 are connected. The handle portion 110 is used for holding the artificial rupture forceps 10 by medical staff, and the clamping portion 120 is used for clamping the fetal membrane. In the present embodiment, 304 stainless steel is used as the material of the forceps body 100. The handle portion 110 may have a length of 10cm, and the grip portion 120 may have a length of 20 cm.

One side of each handle part 110, which is far away from the other clamping part 120, is provided with a finger ring 130, and the fingers of the medical staff can penetrate into the finger ring 130, so that the medical staff can open and close the artificial rupture forceps 10 conveniently. The number of finger loops 130 on each grip 120 may be one for passing the thumb and middle finger, respectively. Of course, the number of the finger rings 130 can be more than one, so as to provide more finger penetrating force. The lateral wall that another clamping part 120 was kept away from to every clamping part 120 is equipped with the holding tank 140 that holds the finger, and holding tank 140 can hold medical personnel's other finger, makes things convenient for medical personnel to hold, guarantees that artifical rupture of membranes pincers 10 hold stably.

Referring to fig. 2, the clamping portion 120 is curved in an arc shape, and the curvature of the clamping portion 120 is similar to the physiological curvature of the human vagina, so that the medical staff can conveniently extend the artificial rupture forceps 10 into the cervix to further clamp the fetal membrane. The clamping piece 150 is arranged at one end of the clamping part 120 far away from the rotating shaft 102, and the clamping piece 150 can increase the clamping area and ensure the stability of the clamping fetal membranes of the manual membrane breaking pliers 10. Meanwhile, the clamping pieces 150 can prevent the clamping portion 120 from stabbing the vaginal wall during the insertion process into the vagina and the infant in the fetus during the clamping process of the fetal membranes by the artificial rupture clamps 10.

The clip 150 is oval or round to ensure that the clip has no corners and prevents the vaginal wall and the infant from being punctured. Specifically, the clip 150 is oval, and the clip 150 has a major axis of 1cm, a minor axis of 0.5cm, and a thickness of 0.2 cm. The membrane rupture is required to be successfully performed on pregnant women with the uterine openings larger than 1cm, and the purpose is to avoid the artificial membrane rupture on pregnant women with immature uterine necks. The rupture of the membrane is performed when the uterine orifice is less than 1cm, the time is early, a long time is probably needed to enter the labor process after the rupture of the membrane, and the infection chances of the mother and the baby are increased. The clamping surface of the clamping piece 150 is provided with anti-slip stripes, which can increase the clamping force of the clamping piece 150 on the fetal membrane, and further ensure the stability of clamping the fetal membrane. In this embodiment, the anti-slip stripe is formed by forming a groove on the clamping surface of the clamping piece 150. Of course, in other embodiments, the cleats may be formed in other ways, such as by providing raised ribs on the clamping surfaces of the clip 150.

Referring to fig. 3 and 4, the limiting assembly 200 is used to fix the opening or closing angle of the two forceps bodies 100. Specifically, the limiting assembly 200 includes a fixed cylinder 210, a connecting rod 220, an elastic member 230, and a limiting block 240. The fixed cylinder 210 is disposed on one of the clamping portions 120, the fixed cylinder 210 is provided with a sliding cavity 212, and the sliding cavity 212 extends along an axial direction of the fixed cylinder 210. The connecting rod 220 is disposed on the other clamping portion 120, the connecting rod 220 is slidably inserted into the sliding cavity 212, a plurality of limiting grooves 222 are disposed on a side wall of the connecting rod 220, and the plurality of limiting grooves 222 are disposed at intervals along an axial direction of the connecting rod 220. The stopper 240 is mounted on the inner wall of the fixed cylinder 210 by the elastic member 230, and the stopper 240 is inserted into the stopper groove 222 by the elastic member 230.

Specifically, the side wall of the fixed cylinder 210 is opened with a mounting hole 214, the mounting hole 214 is communicated with the sliding cavity 212, and the screw 202 is inserted into the mounting hole 214 from the outer side of the fixed cylinder 210 to seal the mounting hole 214. The elastic member 230 is disposed in the mounting hole 214, the stopper 240 is slidably inserted in the mounting hole 214, and the elastic member 230 is located between the stopper 240 and the screw 202. In this embodiment, the elastic member 230 is a spring. When the elastic member 230 fails, the elastic member 230 can be replaced by unscrewing the screw 202, so that the replacement is convenient, and the service life of the whole artificial membrane breaking forceps 10 is prolonged.

Further, the inner wall of the fixed cylinder 210 is provided with a limit convex ring 216, the end of the connecting rod 220 is provided with a limit bulge 224 matched with the limit convex ring 216, and the connecting rod 220 can be prevented from being pulled out of the fixed cylinder 210 by matching the limit convex ring 216 with the limit bulge 224. The side wall of the connecting rod 220 is provided with a sliding groove 226, and the sliding groove 226 extends along the axial direction of the connecting rod 220 and is communicated with the plurality of limiting grooves 222. The depth of the retaining groove 222 is greater than the depth of the sliding groove 226, and the sliding groove 226 can facilitate the movement of the retaining block 240 from one retaining groove 222 to another retaining groove 222. The end of the limiting block 240 inserted into the limiting groove 222 is arc-shaped, so that the limiting block 240 can slide smoothly along the sliding groove 226, and the angle of the two pliers bodies 100 can be adjusted easily and conveniently.

In this embodiment, the limiting assembly 200 further includes a return spring 250, the return spring 250 is disposed in the fixed cylinder 210, and the return spring 250 is located between the bottom of the sliding cavity 212 and the connecting rod 220, that is, one end of the return spring 250 is fixed at the bottom of the sliding cavity 212, and the other end of the return spring 250 can abut against the end of the connecting rod 220. The position limiting assembly 200 further includes a positioning column 260, the positioning column 260 is disposed at the bottom of the sliding cavity 212, and the positioning column 260 is disposed in the return spring 250 in a penetrating manner. The positioning column 260 can position the moving distance of the connecting rod 220, so as to prevent the two clamp bodies 100 from being closed too much and clamping the fetal membranes. The diameter of the positioning post 260 is equal to the inner diameter of the return spring 250, and the positioning post 260 can provide a guiding function to prevent the return spring 250 from being bent to cause failure.

The use method of the artificial membrane rupturing forceps 10 specifically comprises the following steps:

when needing to rupture the membranes for the pregnant woman for the midwifery, one hand of the medical staff holds the artificial rupture of membranes pincers 10 and inserts the clamping part 120 into the cervix through the vagina, and the clamping part 120 is arc-shaped, so that the artificial rupture of membranes is adaptive to the human body structure and the insertion is smooth. The clip 150 at the top of the clip 120 prevents the vaginal wall and the infant from being punctured. Then, the handle 110 is pressed, the connecting rod 220 moves into the sliding cavity 212, the stopper 240 slides along the sliding groove 226, and the return spring 250 is compressed. After the clamping piece 150 on the clamping portion 120 clamps the fetal membrane, the limiting block 240 is inserted into the limiting groove 222 under the action of the elastic piece 230, the angle between the two forceps bodies 100 is fixed, so that the manual membrane rupturing forceps 10 is ensured to clamp the fetal membrane, and at the moment, the other hand of the medical care personnel can use the puncture needle to puncture the fetal membrane, so that amniotic fluid in the fetal membrane flows out.

When the fetal membranes need to be loosened, the medical staff opens the handle part 110 outwards, the connecting rod 220 moves outwards the sliding cavity 212, and meanwhile the return spring 250 provides elastic force to drive the connecting rod 220 to move, so that the medical staff is prevented from labouriously opening the artificial membrane rupturing forceps 10. When the fetal membranes are loosened, the handle parts 110 are stopped from being opened outwards, and then the artificial membrane rupturing forceps 10 are taken out.

According to the artificial fetal membrane rupturing forceps 10, the clamping portion 120 is curved to be arc-shaped, so that the clamping portion adapts to the structure of a human body and is smoothly inserted, the clamping piece 150 is arranged at the front end of the clamping portion 120, the vaginal wall and a baby can be prevented from being punctured, the anti-skidding stripes on the clamping surface of the clamping piece 150 can guarantee that a fetal membrane is stably clamped and does not fall off, and one-time operation success is facilitated. The limiting assembly 200 can prevent medical staff from pressing the forceps body 100 all the time, so that the medical staff can apply uneven force, the fetal membranes are loosened or clamped, and the medical staff can conveniently break the membranes. The positioning column 260 can prevent the fetal membranes from being excessively clamped by the manual membrane breaking pliers 10, and further prevent the fetal membranes from being clamped and broken. The reset spring 250 can promote the opening of the artificial rupture clamp 10, and the burden of medical care personnel is reduced.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An artificial membrane rupturing forceps, comprising:

spacing subassembly, including solid fixed cylinder, connecting rod, elastic component and stopper, gu fixed cylinder set up in one of them on the clamping part, gu fixed cylinder has seted up smooth chamber, the connecting rod sets up in another on the clamping part, the connecting rod slidable inserts to be located smooth intracavity, the lateral wall of connecting rod is equipped with a plurality of spacing grooves along axial interval, the stopper passes through the elastic component install in on the inner wall of solid fixed cylinder, the stopper is in insert under the effect of elastic component the spacing inslot.

2. The artificial rupture of membranes forceps of claim 1, wherein each clamping portion is provided with a finger ring on the side away from the other clamping portion.

3. The pair of artificial rupture clamps according to claim 1, wherein the side wall of each of the clamping portions remote from the other clamping portion is provided with a finger-receiving groove.

4. The artificial membrane rupturing forceps of claim 1, wherein the clamping surface of the clamping piece is provided with anti-slip lines.

5. The manual membrane rupturing forceps of claim 1, wherein the limiting assembly further comprises a return spring, the return spring is disposed in the fixed barrel, and the return spring is located between the bottom of the sliding cavity and the connecting rod.

6. The artificial membrane rupturing forceps as claimed in claim 5, wherein the limiting assembly further comprises a positioning column, the positioning column is disposed at the bottom of the sliding cavity, and the positioning column is disposed in the return spring in a penetrating manner.

7. The artificial membrane rupturing forceps as claimed in claim 1, wherein the inner wall of the fixed cylinder is provided with a limiting convex ring, and the end of the connecting rod is provided with a limiting bulge matched with the limiting convex ring.

8. The artificial membrane rupturing forceps as claimed in claim 1, wherein the end of the limiting block inserted into the limiting groove is arc-shaped, and a sliding groove communicated with the limiting grooves is axially formed in the side wall of the connecting rod.