Measuring device for minimally invasive surgery

Abstract

The utility model discloses a measuring device for minimally invasive surgery, which comprises a sleeve, a tube cavity is arranged inside the sleeve, an inner core for measuring can be inserted into the tube cavity, the sleeve comprises a long section, one end of the long section is connected with a short section, the short section and the long section form a right-angle relation, and the inner core can be inserted into the tube cavity. The inner core can be bent and can be kept in a straightened state in an unstressed state, the width or height of the internal space of an operation can be accurately measured through cooperation of the sleeve and the inner core, the accuracy of the operation is improved, and the difficulty of controlling the size of the internal space through a small incision is reduced.

Description

Technical Field

[0001] The utility model relates to the field of minimally invasive surgery, in particular to a measuring device for minimally invasive surgery. Background Art

[0002] During arthroscopic surgery or minimally invasive surgery, a small incision needs to be made in the affected area. Currently, the size of the incision is very small, and the space inside the surgery, including the width to be expanded, the height of the target grinding, etc., is generally estimated by experienced doctors and cannot be measured more accurately. Therefore, it is difficult to control the spatial size of the surgical area. Accordingly, the utility model proposes a measuring device for minimally invasive surgery that can measure the internal spatial size of the surgery. Utility Model Content

[0003] In order to overcome the defects in the above-mentioned prior art, the utility model provides a measuring device for minimally invasive surgery, which can more accurately measure the width or height of the internal space of the surgery through the cooperation of the sleeve and the inner core, thereby improving the accuracy of the surgery and reducing the difficulty of controlling the internal space size through a small incision.

[0004] Technical Solution

[0005] A measuring device for minimally invasive surgery comprises a sleeve, wherein a lumen is arranged inside the sleeve, and an inner core for measurement can be inserted into the lumen.

[0006] Furthermore, the sleeve includes a long section, and one end of the long section is connected to a short section.

[0007] Furthermore, the short segment is at a right angle to the long segment.

[0008] Furthermore, the inner core can be bent and can remain in a straight state when not under stress.

[0009] Furthermore, the lumen is provided with a chamfered portion.

[0010] Furthermore, two ends of the inner core are respectively provided with a first scale end and a second scale end.

[0011] Furthermore, the short segment is set to a fixed size.

[0012] Furthermore, a first blocking end is arranged on the first scale end, a second blocking end is arranged on the second scale end, and a grabbing portion is connected to the second blocking end.

[0013] Furthermore, the gripping portion is provided with an external thread, and the second blocking end is penetrated by the gripping portion and is threadedly connected to the gripping portion.

[0014] Furthermore, the scale value at the first scale end is a small value, the scale value at the second scale end is a large value, and the starting scale of the first scale end is the sum of the height of the left end of the sleeve and the height of the first blocking end.

[0015] Beneficial Effects

[0016] Compared with the prior art, the utility model has the following beneficial effects: through the cooperation of the sleeve and the inner core, the width or height of the internal space of the operation can be measured more accurately, which improves the accuracy of the operation and reduces the difficulty of controlling the size of the internal space through a small incision. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a structural schematic diagram of a measuring device for minimally invasive surgery.

[0018] Reference Numbers

[0019] The sleeve 1 , the short section 11 , the long section 12 , the inner core 2 , the first scale end 21 , the second scale end 22 , the first blocking end 23 , the second blocking end 24 , the grasping portion 25 , the lumen 3 , and the chamfered portion 31 . DETAILED DESCRIPTION

[0020] In order to better illustrate the content of the utility model, the following is a description with reference to the accompanying drawings and implementation examples:

[0021] have Figure 1 As shown, the utility model discloses a measuring device for minimally invasive surgery, comprising a sleeve 1, wherein a lumen 3 is arranged inside the sleeve 1, and an inner core 2 for measurement can be inserted into the lumen 3.

[0022] Furthermore, the sleeve 1 includes a long section 12 , and one end of the long section 12 is connected to the short section 11 .

[0023] Furthermore, the short section 11 and the long section 12 are at a right angle.

[0024] Furthermore, the inner core 2 can be bent and can remain straight when not under stress.

[0025] Furthermore, the lumen 3 is provided with a chamfered portion 31 .

[0026] Furthermore, two ends of the inner core 2 are respectively provided with a first scale end 21 and a second scale end 22 .

[0027] Furthermore, the short section 11 is set to a fixed size.

[0028] Furthermore, the first scale end 21 is provided with a first blocking end 23 for preventing the inner core 2 from retracting into the tubular cavity 3, and the second scale end 22 is provided with a second blocking end 24 for preventing the inner core 2 from retracting into the tubular cavity 3, and the second blocking end 24 is connected to a grabbing portion 25.

[0029] Furthermore, the gripping portion 25 is provided with an external thread (not shown), and the second blocking end 24 is penetrated by the gripping portion 25 and is threadedly connected to the gripping portion 25 .

[0030] Furthermore, the scale value at the first scale end 21 is a small value, the scale value at the second scale end 22 is a large value, and the starting scale of the first scale end 21 is the sum of the height of the left end of the sleeve 1 and the height of the first blocking end 23 .

[0031] Specifically, when in use, one end of the short section 11 is inserted into the small surgical incision, so that the bottom edge of the sleeve 1 abuts against one side wall, and under the monitoring of the endoscope, the first scale end 21 of the inner core 2 is extended from the short section 11 until the end of the first scale end 21, i.e., the first blocking end 23, abuts against the other side wall of the small incision, and at this time, the scale value of the first scale end 21 is read through the endoscope;

[0032] The scale value of the first scale end 21 is the scale value corresponding to the upper end surface of the short segment 11, which is the distance between the bottom surface of the sleeve 1 and the upper end surface of the first blocking end 23, that is, the size of the internal surgical space.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the technical solution of the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solution recorded in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solution from the spirit and scope of the technical solution of each embodiment of the utility model.

Claims

1. A measuring device for minimally invasive surgery, characterized in that: The invention comprises a sleeve (1), wherein a lumen (3) is arranged inside the sleeve (1), and an inner core (2) for measurement can be inserted into the lumen (3); The sleeve (1) comprises a long section (12), one end of the long section (12) being connected to a short section (11); The short section (11) and the long section (12) are at right angles to each other.

2. A measuring device for minimally invasive surgery according to claim 1, characterized in that: The inner core (2) can be bent and can remain in a straight state when not under stress.

3. A measuring device for minimally invasive surgery according to claim 2, characterized in that: The tubular cavity (3) is provided with a chamfered portion (31).

4. A measuring device for minimally invasive surgery according to claim 3, characterized in that: The two ends of the inner core (2) are respectively provided with a first scale end (21) and a second scale end (22).

5. A measuring device for minimally invasive surgery according to claim 4, characterized in that: The short section (11) is set to a fixed size.

6. A measuring device for minimally invasive surgery according to claim 5, characterized in that: The first scale end (21) is provided with a first blocking end (23), the second scale end (22) is provided with a second blocking end (24), and the second blocking end (24) is connected to a grabbing portion (25).

7. A measuring device for minimally invasive surgery according to claim 6, characterized in that: The gripping portion (25) is provided with an external thread, and the second blocking end (24) is penetrated by the gripping portion (25) and is threadedly connected to the gripping portion (25).

8. The measuring device for minimally invasive surgery according to claim 7, characterized in that: The scale value at the first scale end (21) is a small value, and the scale value at the second scale end (22) is a large value. The starting scale of the first scale end (21) is the sum of the height of the left end of the sleeve (1) and the height of the first blocking end (23).

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