Improved tendon sheath knife

Abstract

The utility model relates to the technical field of medical instruments, and discloses an improved tendon sheath knife which comprises a hollow glass fiber knife body and an oval knife handle which are fixedly connected, the hollow glass fiber knife body is connected with a knife edge of the hollow glass fiber knife body through a connecting portion, and the knife edge of the hollow glass fiber knife body is provided with a first cutting portion with an arc-shaped section. The second cutting part and the first cutting part are integrally formed; a camera is arranged between the first cutting part and the second cutting part, and a storage battery electrically connected with the camera through a wire is arranged in the oval cutter handle. The utility model has the advantages of reasonable structural design, visual effect, convenience in use, good popularization prospect and medical economic value.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an improved tendon sheath knife. Background Art

[0002] Finger flexor tendon stenosing tenosynovitis, also known as "trigger finger", is mainly caused by the sliding obstruction of the flexor tendon at the beginning of the fibrous sheath. It is one of the common and frequent tendon diseases in the hand. It is more common in middle-aged women and more common in the thumb, which seriously affects daily life and work. The treatment methods mainly include conservative treatment and surgical treatment. Conservative treatment includes: local immobilization, physical therapy, drugs, closed treatment, etc., but the drugs are mainly non-steroidal anti-inflammatory drugs (NSAIDS), such as aceclofenac tablets, ketoprofen sustained-release capsules, etc., and oral selective cox-2 inhibitors, celecoxib (celecoxib, Celebrex), but these drugs have some side effects, often inducing nausea, vomiting, and even systemic edema, allergies, and decreased coagulation function.

[0003] Blockade (intrathecal blockade) is the most common treatment method in clinical practice. It is effective in eliminating early pain and aseptic inflammation, and has good short-term effects. For patients who have already formed nodules and snapping, blockade cannot relieve the compression symptoms. Generally, 2-3 treatments are required, and there is a certain recurrence rate.

[0004] For patients who are ineffective with conservative treatment or whose symptoms recur after injection, surgical treatment is appropriate. Some authors have reported that minimally invasive surgical treatments such as probing with surgical sharp knives have certain effects. The incision surgery is introduced in Campbell's Orthopaedic Surgery. The tendon sheath must be cut open under local anesthesia and the incision must be sutured. The surgery can cure the disease in one go.

[0005] However, the existing needle knife type can easily damage other tissues, tendons, nerves or blood vessels when cutting the tendon sheath of the palm flexor tendon in a straight line. For example, the oblique needle knife needs to enter the subcutaneous tissue at an angle of 15-30 degrees beside the midline of the finger, enter the lesion, and then adjust the direction to perform the release. In addition, the needle handle and the finger hinder each other, and the direction must be adjusted during the implementation process, which is easy to damage the tendon and nerves and blood vessels. For another example, the small needle knife has an incomplete effect in releasing the tendon sheath and is very likely to damage part of the tendon, resulting in incomplete rupture of the tendon, blood vessels and nerves.

[0006] How to provide an improved tendon sheath knife with visual effects and easy to use has become a research direction. Utility Model Content

[0007] The purpose of the utility model is to solve the problems existing in the background technology and provide an improved tendon sheath knife.

[0008] In order to solve the above technical problems, the technical solution provided by the utility model is: an improved tendon sheath knife, comprising a fixedly connected hollow glass fiber blade body and an elliptical handle, the hollow glass fiber blade body being connected to its blade via a connecting portion, the blade of the hollow glass fiber blade body being provided with a first cutting portion having an arc-shaped cross-section, and a second cutting portion being integrally formed with the first cutting portion; a camera is arranged between the first cutting portion and the second cutting portion, and a battery is arranged in the elliptical handle and is electrically connected to the camera via a wire.

[0009] The utility model has the following advantages: reasonable structural design, visual effect, easy use, and good promotion prospect and medical economic value. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model is a structural schematic diagram of an improved tendon sheath knife. DETAILED DESCRIPTION

[0011] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0012] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0013] In the description of the embodiments of the present utility model, if a feature is referred to as being "set", "fixed", "connected", or "installed" on another feature, it may be directly set, fixed, or connected on the other feature, or it may be indirectly set, fixed, connected, or installed on the other feature. In the description of the embodiments of the present utility model, if "several" is involved, it means more than one, if "multiple" is involved, it means more than two, if "greater than", "less than", or "exceeds" is involved, it should be understood as not including the number itself, and if "above", "below", or "within" is involved, it should be understood as including the number itself. If "first" or "second" is involved, it should be understood as being used to distinguish technical features, and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0014] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0015] The preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0016] Example

[0017] In conjunction with the accompanying drawings, it includes a hollow glass fiber blade body 1 and an elliptical blade handle 2 that are fixedly connected, the hollow glass fiber blade body is connected to its blade via a connecting portion 3, the blade of the hollow glass fiber blade body is provided with a first cutting portion 4 with an arc-shaped cross-section, and a second cutting portion 5 that is integrally formed with the first cutting portion; a camera 6 is provided between the first cutting portion and the second cutting portion, and a battery 8 that is electrically connected to the camera via a wire 7 is provided in the elliptical blade handle.

[0018] The working principle of the utility model is that it can be made into a disposable device and can be thrown away after being made, and the camera can take pictures and transmit signals at any time.

[0019] The technical features of the above-described embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification. The above-described embodiments only express several implementation methods of the utility model, and their descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, without departing from the concept of the utility model, several deformations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An improved tendon sheath knife, characterized in that: It comprises a hollow glass fiber blade body and an elliptical blade handle which are fixedly connected. The hollow glass fiber blade body is connected to its blade via a connecting portion. The blade of the hollow glass fiber blade body is provided with a first cutting portion with an arc-shaped cross section and a second cutting portion which is integrally formed with the first cutting portion. A camera is arranged between the first cutting portion and the second cutting portion, and a battery which is electrically connected to the camera via a wire is arranged in the elliptical blade handle.

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