CN114795366A

CN114795366A - Artery ligation tension detector with arc-shaped groove

Info

Publication number: CN114795366A
Application number: CN202210559136.0A
Authority: CN
Inventors: 刘琳; 郇帅; 王冬雪; 陈宁; 赵瑛
Original assignee: Harbin University of Commerce
Current assignee: Harbin University of Commerce
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2022-07-29
Also published as: CN115778461A; CN114916977A; CN110811741A; CN110811741B

Abstract

The invention provides an artery ligation tension detector containing an arc-shaped groove, relates to the field of medical instruments, and solves the problem that the tension is difficult to control, and the phenomenon of blood vessel collapse is easily caused if the tension is too large; the problem of detection time waste is solved repeatedly because the specified position is difficult to find quickly and accurately without a corresponding limiting structure. The artery ligation tension detector comprises a casing; the casing is sleeved with a support frame, and a measuring main body is connected in the casing in a sliding mode. According to the device, through the arrangement of the upper structure of the measuring main body, on one hand, through the arrangement of the balls, the friction resistance between the sliding seat and the sliding rod can be reduced, and the accuracy of measurement is improved; on the other hand, because of with the ball be sliding connection in the arc wall in fact, spacing through the arc wall so, can avoid the slide bar to carry out axial rotation, prevent to take place axial rotation at measuring in-process slide bar and couple structure and lead to influencing the measuring precision, tear the blood vessel even.

Description

Artery ligation tension detector with arc-shaped groove

The application is divisional application with application number 201911305630.9, application date 2019, 12 and 28 months, and invention name "tension detector for artery ligation".

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an artery ligation tension detector with an arc-shaped groove.

Background

The tension detector is a detection tool capable of detecting the numerical value of the bearing tension of an object, and at present, after an arterial blood vessel is ligated, tension detection is often required to be carried out, so that the phenomenon of later stage bursting during the process of ligation failure is prevented.

Based on the above, at present, tension detection is often required after ligation of an arterial blood vessel is completed, and then the following defects mainly exist in the present detection device:

one is that the safety is low, the existing device is often detected manually during detection, but when the existing device is used for stretching by hand, the stretching force is often difficult to control, and if the stretching force is too large, the phenomenon of blood vessel collapse is easily caused; moreover, the structure is perfect inadequately, and the detection time is wasted in the current device in the testing process because of not setting up corresponding limit structure and hardly finding the regulation position fast accurate.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an artery ligation tension detector is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides an artery ligation tension detector with an arc-shaped groove, which aims to solve the problems that the safety is low, the existing device is often manually detected during detection, but the tension force is often difficult to control during stretching by hands, such as the phenomenon of blood vessel collapse caused by overlarge stretching force; moreover, the structure is perfect inadequately, and current device is at the testing process, because of not setting up corresponding limit structure and hardly quick accurate finding the regulation position, adjusts the extravagant problem of check-out time repeatedly.

The invention relates to an artery ligation tension detector with an arc-shaped groove, which has the purpose and the effect and is achieved by the following specific technical means:

the artery ligation tension detector comprises a casing; the casing is sleeved with a support frame, and a measuring main body is connected in the casing in a sliding manner; the bottom of the measuring main body is rotatably connected with a hook structure; the center of the top end face of the casing is in threaded connection with an adjusting bolt.

Further, the cover shell includes sliding tray and spacing seat, a sliding tray has been seted up to cover shell front end face right side position, just sliding tray sliding connection has a spacing seat, and threaded connection has a bolt that is used for with the cover shell is fixed on the spacing seat.

Furthermore, the cover shell still includes the instruction seat, it has an instruction seat still to lie in spacing seat below position sliding connection in the sliding tray, just also be provided with the bolt fixed with the cover shell on the instruction seat.

Furthermore, a bolt used for being matched with the casing to fix the support frame is connected to the support frame in a threaded mode.

Further, the measuring main body comprises a dynamometer main body, sliding seats, a ball and a sliding rod, the measuring main body is actually connected with the casing in a sliding mode through the dynamometer main body, the two sliding seats are fixedly connected to the front end face of the dynamometer main body through bolts, and the sliding rod is connected to the two sliding seats in a sliding mode; the inner wall of the sliding seat is provided with six balls in an annular array shape, and the balls are in contact with the sliding rod.

Further, the measuring main body further comprises arc-shaped grooves, the outer wall of the sliding rod is in an annular array shape, six arc-shaped grooves are formed in the outer wall of the sliding rod, and the sliding rod and the balls are actually in sliding connection in the arc-shaped grooves.

Furthermore, the measuring main body also comprises a pointer and a spring, the top end of the sliding rod is connected with the spring, and the top end of the spring is connected with a spring hook on the dynamometer main body; and a pointer is fixedly sleeved on the sliding rod and is not contacted with the dynamometer main body.

Further, the hook structure comprises a hook main body and a telescopic rod, the telescopic rod is welded on the top end face of the hook main body on the hook structure, and the telescopic rod is rotatably connected to the bottom of the sliding rod.

Furthermore, the head end of the adjusting bolt is rotatably connected with the top end face of the dynamometer main body.

Compared with the prior art, the invention has the following beneficial effects:

according to the device, through the arrangement of the upper structure of the measuring main body, on one hand, through the arrangement of the balls, the friction resistance between the sliding seat and the sliding rod can be reduced, and the accuracy of measurement is improved; on the other hand, because of with the ball be sliding connection in the arc wall in fact, spacing through the arc wall so, can avoid the slide bar to carry out axial rotation, prevent to take place axial rotation at measuring in-process slide bar and couple structure and lead to influencing the measuring precision, tear the blood vessel even.

This device passes through the cover shell, measure main part and adjusting bolt's setting, because of adjusting bolt and cover shell threaded connection, and the dynamometer main part of adjusting bolt head end in with measuring the main part rotates and is connected, rotate adjusting bolt, can make the dynamometer main part reciprocate in the cover shell through rotating adjusting bolt, can make the spring stretched by the tensile beginning to measure through reciprocating of dynamometer main part, and it is tensile through the transmission of screw thread, can improve tensile stability and measurement accuracy, prevent that manual tensile measurement from exerting oneself too hard to lead to the blood vessel to tear.

This device is fixed through cup jointing of support frame and cover shell to and the setting of telescopic link, on the one hand, the height of accessible adjustment support frame on the cover shell, on the other hand, the flexible length of telescopic link, above-mentioned two kinds of methods all can be with getting in touch the structural adjustment with the blood vessel parallel and level, improved the flexibility of this device when using.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is an enlarged schematic view of fig. 1 at a.

Fig. 3 is a schematic axial view of the adjusted support frame of the present invention.

Fig. 4 is a schematic front view of the present invention.

Fig. 5 is a schematic top view of the measuring body according to the present invention.

Fig. 6 is an enlarged view of the structure of fig. 5B according to the present invention.

Fig. 7 is a partially disassembled structure diagram of the measuring body of the present invention.

Fig. 8 is an enlarged view of the structure of fig. 7 at C according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a housing; 101. a sliding groove; 102. a limiting seat; 103. an indicator base; 2. a support frame; 3. a measurement subject; 301. a dynamometer body; 302. a sliding seat; 303. a ball bearing; 304. a slide bar; 305. an arc-shaped slot; 306. a pointer; 307. a spring; 4. a hook structure; 401. a hook main body; 402. a telescopic rod; 5. and adjusting the bolt.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides an artery ligation tension detector, which comprises a casing 1; a support frame 2 is sleeved on the casing 1, and a measuring main body 3 is also connected in the casing 1 in a sliding manner; referring to fig. 3, a bolt for fixing the support frame 2 in cooperation with the casing 1 is connected to the support frame 2 in a threaded manner, and the height deviation of the blood vessel can be adapted by adjusting the height of the support frame 2 in use; the bottom of the measuring main body 3 is rotatably connected with a hook structure 4; referring to fig. 1 and 2, the hook structure 4 includes a hook main body 401 and an expansion link 402, the top end surface of the hook main body 401 of the hook structure 4 is welded with the expansion link 402, and the expansion link 402 is rotatably connected to the bottom of the sliding rod 304, so that in the using process, the expansion link 402 can be used as a height adjusting structure at another position except the supporting frame 2; an adjusting bolt 5 is connected with the center of the top end surface of the sleeve 1 in a threaded manner.

Referring to fig. 1, the casing 1 includes a sliding groove 101 and a limiting seat 102, the sliding groove 101 is opened at the right side of the front end face of the casing 1, the limiting seat 102 is connected in the sliding groove 101, and the bolt for fixing with the casing 1 is connected to the limiting seat 102 in a threaded manner, when the pointer 306 touches the limiting seat 102, the limiting seat 102 can limit the pointer 306, and the phenomenon that the pointer exceeds the maximum pulling force during measurement to cause the tearing of the blood vessel is prevented.

Referring to fig. 1, the casing 1 further includes an indication seat 103, an indication seat 103 is slidably connected to a position below the limit seat 102 in the sliding groove 101, a bolt fixed to the casing 1 is also disposed on the indication seat 103, and the indication seat 103 can be used as a marking seat for marking a limit tension, a tension value when a blood vessel is broken, and the like.

Referring to fig. 7 and 8 of fig. 1, the measuring body 3 includes a dynamometer main body 301, sliding seats 302, balls 303, and sliding rods 304, the measuring body 3 is actually slidably connected to the casing 1 through the dynamometer main body 301, two sliding seats 302 are fixedly connected to the front end surface of the dynamometer main body 301 through bolts, and one sliding rod 304 is slidably connected to the two sliding seats 302; the inner wall of the sliding seat 302 is provided with six balls 303 in an annular array shape, and the balls 303 are in contact with the sliding rod 304, so that when the sliding seat is used, the friction resistance between the sliding seat 302 and the sliding rod 304 can be reduced through the arrangement of the balls 303, and the measuring accuracy is improved.

Referring to fig. 7 and 8, the measuring body 3 further includes arc-shaped grooves 305, six arc-shaped grooves 305 are formed in the outer wall of the sliding rod 304 in an annular array, and the sliding rod 304 and the balls 303 are actually slidably connected in the arc-shaped grooves 305, so that the sliding rod 304 can be prevented from axially rotating through the limitation of the arc-shaped grooves 305, and the sliding rod 304 and the hook structure 4 are prevented from axially rotating in the measuring process to influence the measuring accuracy, even tearing the blood vessel.

Referring to fig. 1 and 6, the measuring body 3 further comprises a pointer 306 and a spring 307, the top end of the sliding rod 304 is connected with the spring 307, and the top end of the spring 307 is connected with a spring hook on the dynamometer body 301; a pointer 306 is fixed on the sliding rod 304 in a sleeved manner, and the pointer 306 is not in contact with the dynamometer body 301.

Referring to fig. 1, the head end of the adjusting bolt 5 is rotatably connected with the top end face of the dynamometer main body 301, so that in the using process, the dynamometer main body 301 can move upwards by rotating the adjusting bolt 5, the spring 307 is stretched to start measurement, and the stretching stability and the measurement accuracy can be improved by the transmission stretching of the threads.

The specific use mode and function of the embodiment are as follows:

when the blood vessel hook is used, firstly, the height of the hook structure 4 is adjusted, so that the height of the hook main body 401 is as high as that of a blood vessel, on one hand, the height of the support frame 2 on the casing 1 can be adjusted, on the other hand, the telescopic length of the telescopic rod 402 can be adjusted, after the adjustment is completed, the height of the limiting seat 102 is adjusted, the limiting seat 102 is adjusted to a specified tensile strength position, and after the needle is stretched to the specified position, the pointer 360 can touch the limiting seat 102; finally, the adjusting bolt 5 is rotated, the dynamometer main body 301 can move up and down in the casing 1 by rotating the adjusting bolt 5, the spring 307 can be stretched to start measurement by moving the dynamometer main body 301 up and down, the stretching is realized by the transmission of the threads, the stretching stability and the measurement precision can be improved, and the blood vessel tearing caused by the overexertion of manual stretching measurement force can be prevented;

in the use process, firstly, the arrangement of the ball 303 can reduce the frictional resistance between the sliding seat 302 and the sliding rod 304, and improve the accuracy of measurement; secondly, because of with ball 303 be sliding connection in the arc wall 305 in fact, spacing through the arc wall 305 then, can avoid slide bar 304 to carry out axial rotation, prevent that slide bar 304 and couple structure 4 from taking place axial rotation and leading to influencing the measuring precision at measuring in-process, even with the blood vessel tear.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Artery ligature pulling force detector that contains arc wall, its characterized in that: comprising a casing (1); a supporting frame (2) is sleeved on the casing (1), and a measuring main body (3) is connected in the casing (1) in a sliding manner; the bottom of the measuring main body (3) is rotatably connected with a hook structure (4); an adjusting bolt (5) is in threaded connection with the center of the top end face of the casing (1);

the measuring body (3) comprises a dynamometer main body (301), sliding seats (302), a ball (303) and a sliding rod (304), the measuring body (3) is actually connected with the casing (1) in a sliding mode through the dynamometer main body (301), the front end face of the dynamometer main body (301) is fixedly connected with the two sliding seats (302) through bolts, and the two sliding seats (302) are connected with the sliding rod (304) in a sliding mode; six balls (303) are arranged on the inner wall of the sliding seat (302) in an annular array, and the balls (303) are in contact with the sliding rod (304);

the measuring main body (3) further comprises arc-shaped grooves (305), six arc-shaped grooves (305) are formed in the outer wall of the sliding rod (304) in an annular array shape, and the sliding rod and the balls (303) are actually connected in the arc-shaped grooves (305) in a sliding mode.

2. The artery ligation tension detector with the arc-shaped groove according to claim 1, wherein: the sleeve shell (1) comprises a sliding groove (101) and a limiting seat (102), the sliding groove (101) is formed in the right side position of the front end face of the sleeve shell (1), the limiting seat (102) is connected in the sliding groove (101) in a sliding mode, and a bolt used for being fixed with the sleeve shell (1) is connected to the limiting seat (102) in a threaded mode.

3. The artery ligation tension detector comprising the arc-shaped groove according to claim 1, wherein: the casing (1) still includes and indicates seat (103), it still has one to indicate seat (103) to lie in spacing seat (102) below position in sliding tray (101), just it also is provided with the bolt fixed with casing (1) on the seat of instructing (103).

4. The artery ligation tension detector comprising the arc-shaped groove according to claim 1, wherein: the supporting frame (2) is connected with a bolt in a threaded manner, wherein the bolt is used for being matched with the casing (1) to fix the supporting frame (2).

5. The artery ligation tension detector comprising the arc-shaped groove according to claim 1, wherein: the measuring body (3) further comprises a pointer (306) and a spring (307), the top end of the sliding rod (304) is connected with the spring (307), and the top end of the spring (307) is connected with a spring hook on the dynamometer body (301); a pointer (306) is fixedly sleeved on the sliding rod (304), and the pointer (306) is not contacted with the dynamometer main body (301).

6. The artery ligation tension detector comprising the arc-shaped groove according to claim 1, wherein: the hook structure (4) comprises a hook main body (401) and an expansion rod (402), the expansion rod (402) is welded on the top end face of the hook main body (401) on the hook structure (4), and the expansion rod (402) is rotatably connected to the bottom of the sliding rod (304).

7. The artery ligation tension detector comprising the arc-shaped groove according to claim 1, wherein: the head end of the adjusting bolt (5) is rotatably connected with the top end face of the dynamometer main body (301).