CN210204987U

CN210204987U - Heart valve measuring device

Info

Publication number: CN210204987U
Application number: CN201920775037.XU
Authority: CN
Inventors: Jigang He; 贺继刚; Qiaoli Xie; 谢巧丽; Zihao Wang; 王梓豪; Dan Yan; 严丹; Beibei Li; 李贝贝; Hongrong Li; 李洪荣
Original assignee: Individual
Current assignee: First Peoples Hospital of Yunnan Province
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-03-31
Anticipated expiration: 2029-05-27

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to heart valve measuring device. The device comprises a body, a measuring part and a control assembly, wherein the body is of a tubular structure, and a tube cavity is arranged in the body along the length direction of the body; the measuring part is movably arranged in the tube cavity and comprises a measuring end which can extend out of and retract into the tube cavity and is used for measuring, the measuring end extends out of the tube cavity and then is unfolded into a measuring state, and the measuring end retracts into a retracted state when retracting into the tube cavity; the control assembly is connected with the measuring piece and controls the measuring piece to move in the tube cavity, so that the measuring end extends out of or retracts into the tube cavity. Under the condition that the incision size is relatively small, the measuring end of the heart valve measuring device can still enter the body to be measured, the size of the measuring end cannot influence the size of the incision, and the size of the incision can be relatively small, so that the postoperative rehabilitation time is reduced, and complications are reduced.

Description

Heart valve measuring device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to heart valve measuring device.

Background

The heart valve refers to a valve between an atrium and a ventricle or between a ventricle and an artery. The role that valves play in the blood circulation activity of the heart, which is never stopped, is both general and critical: the valve acts as a portal guard, preventing backflow of blood into the atrium or ventricle just exiting. After the blood flow, the valve closes and sounds the heart beat which we hear on the television. When the heart valve is in a problem, operations such as thoracoscopic assisted valve replacement of the heart valve can be performed according to the condition of the disease, which is the more mature minimally invasive heart surgical valve replacement operation currently carried out. Due to individual differences and the fact that the size of the heart valve cannot be accurately obtained through color ultrasound examination, the size of the heart valve needs to be tested during replacement operation to determine and select the matched artificial heart valve. The existing testing mode of the heart valve is a valve measuring device under an open surgery, when an incision is small, a measuring end of the valve measuring device is difficult to extend into the body, so that the size of the incision is influenced due to the valve measuring device, the postoperative recovery time is influenced by the incision of a patient, and more complications are possibly caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a can stretch into internal measuring, and measure convenient heart valve measuring device when little incision.

In order to solve the problems, the heart valve measuring device of the utility model comprises a body, a measuring part and a control component, wherein the body is of a tubular structure, and a tube cavity is arranged in the body along the length direction; the measuring part is movably arranged in the tube cavity and comprises a measuring end which can extend out of and retract into the tube cavity and is used for measuring, the measuring end extends out of the tube cavity and then is unfolded into a measuring state, and the measuring end retracts into a retracted state when retracting into the tube cavity; the control assembly is connected with the measuring piece and controls the measuring piece to move in the tube cavity, so that the measuring end extends out of or retracts into the tube cavity.

The measuring member has a plurality of measuring members, the measuring end of each measuring member having a different size, the measuring members being arranged in parallel within the lumen.

The tube cavity is internally provided with a plurality of sub-cavity bodies arranged along the length direction of the body, and each measuring piece is arranged in the sub-cavity body.

The measuring end is of an umbrella-shaped structure.

The measuring piece further comprises a connecting end connected with the middle part of the umbrella-shaped structure of the measuring end.

The measuring end is made of a soft metal.

The measuring end is made of memory alloy.

One end of the body extending into the body is of a hose-shaped structure.

The control assembly is arranged on the body and comprises a pressing part, a biasing part, a locking part and an unlocking part, wherein the pressing part is connected with the corresponding connecting end of the measuring part, extends out of the outer wall of the body and moves on the outer wall of the body along the extending direction of the body; the biasing member provides a reset force for restoring the initial position for the pressing part; the locking part locks the pressing part when the pressing part moves towards the measuring end by a set distance; the unlocking part extends out of the outer wall of the body and is used for unlocking the locking part.

The outer wall of the body corresponding to the measuring piece is marked with a size mark of the measuring end, or the outer wall of the pressing part is marked with a size mark corresponding to the measuring end.

The utility model discloses technical scheme has following advantage:

1. the utility model relates to a heart valve measuring device, which comprises a body, a measuring piece and a control component, wherein the body is of a tubular structure, and a tube cavity is arranged in the body along the length direction; the measuring part is movably arranged in the tube cavity and comprises a measuring end which can extend out of and retract into the tube cavity and is used for measuring, the measuring end extends out of the tube cavity and then is unfolded into a measuring state, and the measuring end retracts into a retracted state when retracting into the tube cavity; the control assembly is connected with the measuring piece and controls the measuring piece to move in the tube cavity, so that the measuring end extends out of or retracts into the tube cavity. The cross-sectional dimension of body is less relatively, also can stretch into internally under the less circumstances of incision, and the one end of body stretches into internal back, and control assembly control measures the piece and removes in the lumen, stretches out the lumen with the measuring end, and the measuring end expands after stretching out the lumen and is measured the state, measures the back to the size of heart valve, and control assembly control measures the piece and removes in the lumen, makes the measuring end remove to the lumen, be the contraction state after the measuring end retraction lumen, after the retraction lumen, take out the one end of the body that stretches into internal, accomplish the measurement, measure simple and convenient. That is, under the condition that the incision size is relatively small, the measuring end of the heart valve measuring device can still enter the body to be measured, the size of the measuring end cannot influence the size of the incision, and the size of the incision can be relatively small, so that the postoperative rehabilitation time is reduced, and complications are reduced.

2. The utility model discloses a heart valve measuring device, when selecting the measuring terminal of appropriate size to measure after the range estimation, at the too big or undersize of discovery this measuring terminal, when the measuring terminal of adjacent size is measured once more, set up a plurality of measuring parts in the heart valve device, can once stretch into the body and carry out a lot of measurements after internal, can reduce the time of taking the body from internal putting into another body again, it is long when can reducing the operation for measure more simple and convenient.

3. The heart valve measuring device of the utility model is divided into the cavities, so that the measuring pieces are arranged in parallel and independent from each other.

4. The utility model discloses a heart valve measuring device, umbrella-shaped structure the measuring terminal is stretching out and retraction the atress is even during the lumen for stretch out and retract more flow field, reduce the measuring terminal stretches out and retracts operation trouble, convenient operation.

5. The heart valve measuring device of the utility model, the setting of the size mark, is convenient right the reading of the measuring end, more convenient operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a heart valve measuring device according to the present invention;

FIG. 2 is a schematic structural view of a measuring member;

FIG. 3 is a schematic right side view of the heart valve measuring device;

fig. 4 is a schematic structural diagram of a use state of the heart valve measuring device of the present invention;

description of reference numerals:

1-body; 2-a measuring member; 21-a measuring end; 22-a connection end; 3-a control component; 4-sub-cavity; 5-size marker.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The heart valve measuring device of the present embodiment, as shown in fig. 1 to 4, includes a body 1, a measuring member 2, and a control assembly 3.

The body 1 is tubular structure, and the one end of body 1 can stretch into internally, and according to the user demand, should stretch into internal one end and be hose-shaped structure. The pipe cavity is arranged in the body 1 along the length direction of the body, a plurality of sub-cavity bodies 4 arranged in the length direction of the body 1 are arranged in the pipe cavity, all the sub-wall bodies are arranged in parallel, and the sub-cavity bodies 4 can be formed by surrounding of partition plates arranged in the cavity and the inner wall of the body 1 or surrounding of the partition plates.

The measuring part 2 is movably arranged in the cavity, and the measuring part 2 is also provided with a plurality of measuring parts which are respectively arranged in the corresponding sub-cavities 4 and comprise measuring ends 21 which extend into the body and are used for measuring and connecting ends 22 connected with the measuring ends 21. When the measuring part 2 moves, the measuring end 21 can extend out of and retract into the sub-cavity 4, the measuring end 21 extends out of the sub-cavity 4 and then is expanded into a measuring state, the measuring end retracts into the sub-cavity 4 and then is contracted into a contracted state, and the measuring end 21 of each measuring part 2 has different sizes. As shown in fig. 2, the measuring end 21 is an umbrella structure and made of soft metal, but of course, it can also be made of memory alloy. The connecting end 22 is connected to the middle of the umbrella structure of the measuring end 21.

The measuring tip 21 has the largest dimension in the measuring state and the smaller dimension in the retracted state, and the cross-section of the body 1 for accommodating the measuring element 2 is smaller than the dimension of the measuring tip 21 in the measuring state, so that the measuring device can be used in a case where the incision is smaller than the dimension of the measuring tip 21.

The control component 3 is installed on one end of the body 1 far away from the inside of the body and connected with the measuring part 2, and controls the measuring part 2 to move in the tube cavity so that the measuring end 21 extends out of or retracts into the tube cavity. The control assembly 3 comprises a pressing part, a biasing part, a locking part and an unlocking part, wherein the pressing part is connected with the corresponding connecting end 22 of the measuring part 2, extends out of the outer wall of the body 1 and moves on the outer wall of the body 1 along the extending direction of the body 1; the biasing member provides a reset force for restoring the initial position for the pressing part; the locking portion locks the pressing portion when the pressing portion moves a set distance toward the measuring end 21; the unlocking part extends out of the outer wall of the body 1 and is used for unlocking the locking part. The pressing portion, the biasing member, the locking portion and the unlocking portion may be of conventional structures, and will not be described herein.

In order to facilitate the understanding of the size of the measuring tip 21 to be used, the outer wall of the body 1 corresponding to the measuring part 2 is marked with the size mark 5 of the measuring tip 21, and as an alternative embodiment, the outer wall of the pressing part may be marked with the size mark 5 corresponding to the measuring tip 21.

When the heart valve measuring device is used, one end of the body 1 extends into the body, a proper measuring end 21 is selected, a corresponding pressing part is pressed, the measuring end 21 extends out of the sub-cavity 4 and then is unfolded into a measuring state, the measuring part 2 is locked by the locking part, the movement of the measuring part 2 is forbidden, measurement is carried out later, the measuring part 2 is unlocked by the unlocking part after measurement is completed or the measuring end 21 is replaced, the measuring part 2 retracts into the sub-cavity 4 under the action of the pressing part and the biasing part, the body 1 is taken out of the body after measurement is completed, the measuring part 2 with another size is repeatedly pressed when the measuring end 21 is replaced, and the measuring end 21 of the measuring part 2 extends out of the sub-cavity 4 to enter the body until measurement is completed.

According to the heart valve measuring device, under the condition that the size of the incision is relatively small, the measuring end 21 of the heart valve measuring device can still enter the body to be measured, the size of the incision cannot be influenced by the size of the measuring end 21, the size of the incision can be relatively small, the postoperative recovery time is further shortened, and complications are reduced.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A heart valve measurement device, comprising:

the body (1) is of a tubular structure, and a tube cavity is arranged in the body (1) along the length direction of the body;

the measuring part (2) is movably arranged in the tube cavity and comprises a measuring end (21) which can extend out of and retract into the tube cavity and is used for measuring, the measuring end (21) extends out of the tube cavity and is unfolded into a measuring state, and the measuring end is contracted into a contracted state when being retracted into the tube cavity;

and the control assembly (3) is connected with the measuring part (2) and controls the measuring part (2) to move in the tube cavity, so that the measuring end (21) extends out of or retracts into the tube cavity.

2. Heart valve measuring device according to claim 1, wherein said measuring members (2) are provided in plurality, said measuring ends (21) of said measuring members (2) having different dimensions, said measuring members (2) being arranged in parallel in said lumen.

3. A heart valve measuring device according to claim 2, wherein the lumen has a plurality of sub-lumens (4) arranged along the length of the body (1), each measuring member (2) being arranged within the sub-lumens (4).

4. A heart valve measuring device according to claim 1, wherein the measuring end (21) is of an umbrella-like structure.

5. A heart valve measuring device according to claim 4, wherein the measuring member (2) further comprises a connecting end (22) connected to the middle of the umbrella structure of the measuring end (21).

6. Heart valve measuring device according to claim 1, wherein the measuring end (21) is made of a soft metal.

7. A heart valve measuring device according to claim 1, wherein the measuring end (21) is made of a memory alloy.

8. Heart valve measuring device according to claim 1, characterized in that the end of the body (1) that protrudes into the body is of a hose-like construction.

9. The heart valve measuring device according to claim 1, wherein the control assembly (3) is provided on the body (1) comprising,

the pressing part is connected with the corresponding connecting end (22) of the measuring piece (2), extends out of the outer wall of the body (1), and moves on the outer wall of the body (1) along the extending direction of the body (1);

a biasing member providing a restoring force for restoring an initial position to the pressing portion;

a locking portion that locks the pressing portion when the pressing portion moves toward the measuring end (21) by a set distance;

the unlocking part extends out of the outer wall of the body (1) and is used for unlocking the locking part.

10. Heart valve measuring device according to claim 9, characterized in that the outer wall of the body (1) corresponding to the measuring member (2) is marked with a size mark (5) of the measuring end (21), or the outer wall of the pressing portion is marked with a size mark (5) corresponding to the measuring end (21).