Operation towel for ophthalmology department

Abstract

The utility model belongs to the technical field of medical supplies, and particularly relates to a surgical towel for the ophthalmology department. The utility model provides an ophthalmologic operation towel which is used for accurately measuring and positioning the axial position of an astigmatism crystal in a non-contact mode in the ophthalmologic operation process. The operation towel comprises a main body of the operation towel, transparent stickers corresponding to eyes are arranged on the main body, and the operation towel is characterized in that a transverse rod is arranged on the outer surface of the main body and located on one side of the transparent stickers, the transverse rod corresponds to a human eyebrow bone, and a vertical line mark corresponding to a human nasal bone is further arranged on the outer surface of the main body; a transverse shaft is arranged on the side, opposite to the transverse rod, of the transparent paste on the outer surface of the body, a transparent film corresponding to the transparent paste sleeves the transverse shaft in a movable and turnover mode, and a positioning mark line is arranged on the transparent film.

Description

Technical Field

[0001] This utility model belongs to the field of medical supplies technology, specifically relating to a surgical towel for ophthalmology. Background Technology

[0002] In ophthalmic surgery, accurate axis positioning of the astigmatic lens is crucial for surgical success, especially during intraocular lens implantation, where precise axis placement is essential for correcting astigmatism. Currently, traditional methods for determining the astigmatic lens axis primarily rely on preoperative or intraoperative contact manipulation, typically using a corneal contact astigmatism locator. The following are two common existing techniques.

[0003] Existing technology 1: During ophthalmic surgery, after the surgical drape is laid out, the surgeon uses an astigmatism locator to adjust the lens axis. This is done by placing the astigmatism locator on the corneal surface and adjusting the astigmatic lens axis according to the scale on the locator. This method has the following drawbacks:

[0004] 1. Low positioning accuracy: When placing an astigmatism locator, positioning is usually based on the corneal diameter. The 0-degree position is prone to deviation, leading to a shift in the axis of the final astigmatic lens. This shift is especially pronounced in patients with microcorneas. The 5-degree intervals of the scale do not provide sufficient accuracy, making it difficult to guarantee precise axis positioning.

[0005] 2. Damage to the cornea: When using a corneal contact astigmatism locator, it is necessary to directly contact the cornea, which can cause some damage to the limbus and increase the patient's discomfort and fear.

[0006] 3. If the astigmatic axis deviation is too large, it may lead to new astigmatism after surgery, affecting the patient's postoperative visual outcome.

[0007] Existing technique two: Preoperatively, the doctor uses a light strip under a slit lamp to pass through the pupil, rotates it to the set axis, and marks the limbus using a 1ml syringe for subsequent astigmatic lens axis adjustment. This method has the following disadvantages: 1. Complex operation: This operation needs to be performed under small pupils, which conflicts with ophthalmic dilation examinations. Because the slit lamp light strip is smaller than the corneal diameter, it can lead to inaccurate positioning.

[0008] 2. Unstable marking: When using a dye to mark the corneal limbus, the patient's blinking action can easily cause the dye to fade, making it difficult to identify during the operation and affecting the accurate adjustment of the astigmatic lens axis.

[0009] 3. Invasive procedure: This technique is still an invasive procedure and may cause discomfort to the patient. Summary of the Invention

[0010] This invention addresses the aforementioned problems by providing an ophthalmic surgical drape for accurately measuring and locating the axis of an astigmatic lens in a non-contact manner during ophthalmic surgery.

[0011] To achieve the above-mentioned objectives of this utility model, the present utility model adopts the following technical solution: the present utility model includes a main body of a surgical towel, on which a transparent adhesive corresponding to the eye is provided. The main body is characterized by: a horizontal bar being provided on the outer surface of the main body on the side of the transparent adhesive, the horizontal bar corresponding to the brow bone, and a vertical line mark corresponding to the nasal bone being provided on the outer surface of the main body; a horizontal axis being provided on the outer surface of the main body on the side of the transparent adhesive opposite to the horizontal bar, and a transparent film corresponding to the transparent adhesive being movably and flipped on the horizontal axis, the transparent film being provided with positioning mark lines.

[0012] In a preferred embodiment of this utility model, two transparent adhesive strips are provided corresponding to the eyes, and the vertical line mark is provided between the two transparent adhesive strips; two transparent films are also provided corresponding to the two transparent adhesive strips on the horizontal axis.

[0013] As another preferred embodiment of this utility model, the middle part of the horizontal axis is connected to the main body through a first connecting sleeve on the main body; the transparent film is sleeved on the side of the first connecting sleeve.

[0014] As a third preferred embodiment of this utility model, the positioning marking line is a set of at least 11 concentric circles, with a cross mark set inside the concentric circles. The horizontal line of the cross mark is parallel to the horizontal bar. The two ends of the horizontal line are marked with "0° / 180°", and the two ends of the vertical line of the cross mark are marked with "90°". Angle marking lines are set on each concentric circle.

[0015] Furthermore, a rotation direction marking line is also provided on the outer side of the concentric circles.

[0016] Furthermore, the central circle of the concentric circles is a circle with a diameter of 0.1 cm, and then from the inside out, each circle is spaced 0.1 cm apart, for a total of 11 circles; from the inside out, the 1st to 5th rings have short angle marking lines every 5° and long angle marking lines every 10°; from the inside out, the 6th to 11th rings have ultra-short angle marking lines every 1°, short scale lines every 5°, and long angle marking lines every 10°.

[0017] As a fourth preferred embodiment of this utility model, the inner surface of the main body, corresponding to the nasal bone area, is also provided with a deformable nasal support frame.

[0018] As a fifth preferred embodiment of this utility model, one end of the transparent film is provided with a second connecting sleeve that is sleeved with the horizontal axis.

[0019] The beneficial effects of this utility model are as follows: By designing a crossbar and nasal support frame, the surgical drape can firmly adhere to the patient's face, ensuring positional stability during surgery and guaranteeing normal breathing. The double transparent film and transparent adhesive are suitable for both monocular and binocular surgeries, facilitating surgical operation and improving efficiency. The marking line design, a combination of cross and concentric circles, provides high-precision angle marking, enabling precise adjustment and verification of the astigmatic lens axis, significantly improving surgical accuracy. The flexible, foldable transparent film design facilitates observation and adjustment, and its robust structure prevents it from easily falling off. The surgical drape offers excellent overall fit, is anti-slip and anti-displacement, and is suitable for various ophthalmic surgical scenarios, providing a non-contact, high-precision, safe, and reliable solution for astigmatic lens surgery. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the outer surface structure of this utility model.

[0021] Figure 2 yes Figure 1 Enlarged view of part A.

[0022] Figure 3 This is a perspective view of the present invention.

[0023] Figure 4 This is a schematic diagram of the structure of the inner surface of this utility model.

[0024] Figure 5 This is a schematic diagram of the usage state of this utility model.

[0025] Figure 6 This is a diagram illustrating the usage status from another angle.

[0026] In the attached diagram, 1 is the main body, 2 is the horizontal bar, 3 is the transparent adhesive, 4 is the vertical line mark, 5 is the first connecting sleeve, 6 is the horizontal axis, 7 is the nasal support frame, 8 is the positioning mark line, 9 is the transparent film, 10 is the second connecting sleeve, 11 is the rotation direction mark line, and 12 is the surgical site. Detailed Implementation

[0027] This utility model includes a main body 1 of a surgical towel, on which a transparent adhesive 3 corresponding to the eye is provided. The main body 1 is characterized by: a horizontal bar 2 on the outer surface of the main body 1 located on one side of the transparent adhesive 3, the horizontal bar 2 corresponding to the brow bone, and a vertical line mark 4 corresponding to the nasal bone on the outer surface of the main body 1; a horizontal axis 6 on the outer surface of the main body located on the side of the transparent adhesive 3 opposite to the horizontal bar 2, on which a transparent film 9 corresponding to the transparent adhesive 3 is movably and flipped, and a positioning mark line 8 is provided on the transparent film 9.

[0028] A horizontal bar 2 is set inside the main body 1 of the surgical drape, corresponding to the brow bone, to ensure the stable fit of the surgical drape and avoid displacement that may affect the surgical operation; the vertical markings 4 on the surface of the main body 1 correspond to the position of the nasal bone, ensuring accurate positioning of the surgical drape during laying; the transparent adhesive 3 can fit tightly to the patient's eyes, providing a sterile environment, and at the same time, the transparent film 9 can be flipped up by the horizontal axis 6 to make precise adjustment and verification of the astigmatic lens axis.

[0029] The transparent adhesive 3 is set in two corresponding to each eye, and the vertical line mark 4 is set between the two transparent adhesives 3; the transparent film 9 on the horizontal axis 6 is also set in two corresponding to the two transparent adhesives 3.

[0030] The design of the double transparent adhesive tape 3 and the double transparent film 9 is suitable for bilateral surgery. The vertical line mark 4 is located between the two transparent adhesive tapes 3, which can clearly distinguish the position of the left and right eyes and ensure the symmetrical laying of the surgical drape between the two eyes. The transparent film 9 on the horizontal axis 6 corresponds to the two transparent adhesive tapes 3 and can be folded to the eye area respectively, which facilitates simultaneous operation on both eyes during surgery and improves efficiency.

[0031] The middle part of the horizontal axis 6 is connected to the main body 1 through the first connecting sleeve 5 on the main body 1; the transparent film 9 is sleeved on the side of the first connecting sleeve 5.

[0032] The transverse axis 6 is connected to the main body 1 through the first connecting sleeve 5. The transparent membrane 9 is sleeved on the side of the connecting sleeve, so that the transparent membrane 9 can move and flip freely on the transverse axis 6, which makes it easy to adjust the position of the transparent membrane 9 according to the needs of the operation, while ensuring a firm connection between the transparent membrane 9 and the main body 1 to avoid it falling off during the operation.

[0033] The positioning mark line 8 consists of at least 11 concentric circles, with a cross mark inside each concentric circle. The horizontal line of the cross mark is parallel to the horizontal bar 2. The two ends of the horizontal line are marked with "0° / 180°", and the two ends of the vertical line of the cross mark are marked with "90°". Angle mark lines are set on each concentric circle.

[0034] A rotation direction marking line 11 is also provided on the outer side of the concentric circles.

[0035] The positioning markers are designed as a combination of concentric circles and crosses, providing clear 0° / 180°, 90° reference points and multi-angle markings. This facilitates observation of the size matching between the pupil and the concentric circles, and allows for quick and accurate adjustment of the astigmatic lens axis. The horizontal line of the cross is parallel to the horizontal bar 2, ensuring that the markings are aligned with the patient's facial structure and improving positioning accuracy.

[0036] The central circle of the concentric circles is a circle with a diameter of 0.1 cm. Then, from the inside out, each circle is spaced 0.1 cm apart, for a total of 11 circles. From the inside out, the 1st to 5th rings have short angle marking lines every 5° and long angle marking lines every 10°. From the inside out, the 6th to 11th rings have ultra-short angle marking lines every 1°, short scale lines every 5°, and long angle marking lines every 10°.

[0037] The fine division of the diameter range and angle markings of the concentric circles can adapt to the needs of patients with different pupil sizes after mydriasis; the gradually increasing circular spacing from the inner ring to the outer ring, as well as the marking accuracy design of 1°, 5°, and 10°, effectively improves the adjustment and verification accuracy of the astigmatic lens axis, meeting the high precision requirements of ophthalmic surgery.

[0038] The main body 1 is also provided with a deformable nasal support frame 7 corresponding to the nasal bone area.

[0039] The nasal support frame 7 is set in the corresponding part of the nasal bone inside the main body 1. It can be bent and supported in accordance with the shape of the nasal bone, which not only ensures that the patient can breathe normally during the operation, but also further stabilizes the position of the surgical drape and avoids the operation being affected by sliding or displacement during the operation.

[0040] One end of the transparent film 9 is provided with a second connecting sleeve 10 that is sleeved with the horizontal axis 6.

[0041] One end of the transparent film 9 is connected to the horizontal axis 6 through the second connecting sleeve 10, which can not only slide or flip flexibly on the horizontal axis 6 to facilitate the adjustment of the position of the transparent film 9, but also ensure the stability of the transparent film 9 during use, and improve the ease of operation and firmness.

[0042] Example: This example provides a marked ophthalmic surgical drape made of non-woven fabric that can be sterilized with ethylene oxide. The drape is 140cm long and 100cm wide. A 15cm long metal strip, called a crossbar 2, is installed inside the drape and is bendable. The crossbar 2 corresponds to the patient's brow bone and is used to position the drape. A nasal support frame 7 is also included to support the patient's nose and ensure normal breathing during surgery. The distance between the crossbar 2 and the nasal support frame 7 is 6.5cm, ensuring a stable fit between the drape and the patient's face.

[0043] A dark blue vertical line (mark 4) can be set in the center of the surgical drape, perpendicular to the horizontal bar (mark 2). This vertical line (mark 4) should be placed near the patient's nose as a positioning reference line for laying the surgical drape. The transparent adhesive tape (mark 3) on the surgical drape is used to adhere to the patient's eyes. Figure 1In the middle, the circular dotted line area on the transparent adhesive 3 simulates the position of the eyeball. Between the two transparent adhesive 3 pieces is a 2cm sterile non-woven fabric, which is integrated with the surgical drape. This ensures that the surgical drape between the two transparent adhesive 3 pieces can cover the patient's bridge of the nose while avoiding obstructing the eye area, providing ample operating space.

[0044] The surgical drape has a transparent PVC folding structure: a transparent film 9, 6.5cm in length, made of sterilizable material. The center-to-center distance between two transparent films 9 is generally 6.5cm, corresponding to the interpupillary distance of an adult. The distance between the two transparent films 9 can be adjusted using the second connecting sleeve 10 and the horizontal axis 6 to meet the positioning requirements of both eyes during surgery. The transparent film 9 has positioning line markings, including two horizontal and vertical lines marking 0 degrees, 180 degrees, and 90 degrees respectively, with a 0.1cm diameter circular mark at the center.

[0045] The transparent membrane 9 has 11 concentric rings, each 0.1 cm apart. From the inside out, rings 1-5 are marked with short lines every 5 degrees and long lines every 10 degrees; rings 6-11 are marked with ultra-short lines every 1 degree, short lines every 5 degrees, and long lines every 10 degrees. This marking design meets the high precision requirements of astigmatic lens surgery. After pupil dilation, the pupil diameter is typically greater than 0.5 cm. After the transparent membrane 9 is folded onto the patient's eye surface, the marking lines align with the pupil, forming concentric circles, which can be used for precise adjustment and verification of the astigmatic lens axis.

[0046] Surgical Procedure: After disinfection following the procedure, the vertical line marking 4 on the surgical drape is placed on the patient's nose, and the horizontal metal strip 2 is placed on the patient's brow bone, ensuring the drape is correctly positioned. The nasal support 7 is located on the patient's nasal bone and can be bent to support the nose, ensuring normal breathing during the procedure. The self-adhesive transparent adhesive 3 is smoothly applied to the patient's eye. Following routine surgical procedures, the operator cuts open the transparent adhesive 3 to expose the surgical site 12. After the astigmatic lens is implanted into the patient's eye, the marked transparent film 9 is flipped upwards around the horizontal axis 6, aligning the positioning markings with the patient's eyeball. Due to surgical requirements, the patient's pupils are dilated. The diameter of the concentric circles corresponding to the patient's pupils is observed, and the astigmatic lens is correctly positioned according to the markings on the circles. The astigmatic lens axis can be repeatedly adjusted and checked.

[0047] It is understood that the above specific description of this utility model is only used to illustrate this utility model and is not limited to the technical solutions described in the embodiments of this utility model. Those skilled in the art should understand that modifications or equivalent substitutions can still be made to this utility model to achieve the same technical effect; as long as the use needs are met, they are all within the protection scope of this utility model.

Claims

1. An ophthalmic surgical drape, comprising a main body (1) of the drape, wherein a transparent adhesive (3) corresponding to the eye is provided on the main body (1), characterized in that: A horizontal bar (2) is provided on the outer surface of the main body (1) on the side of the transparent adhesive (3). The horizontal bar (2) corresponds to the human brow bone. A vertical line mark (4) corresponding to the human nasal bone is also provided on the outer surface of the main body (1). A horizontal axis (6) is provided on the outer surface of the main body on the side opposite to the transparent adhesive (3) and the horizontal bar (2). A transparent film (9) corresponding to the transparent adhesive (3) is attached to the horizontal axis (6) and can be moved and flipped. A positioning mark line (8) is provided on the transparent film (9).

2. The ophthalmic surgical drape according to claim 1, characterized in that: The transparent adhesive (3) is set to two corresponding to the eyes, and the vertical line mark (4) is set between the two transparent adhesives (3); the transparent film (9) on the horizontal axis (6) is also set to two corresponding to the two transparent adhesives (3).

3. The ophthalmic surgical drape according to claim 1, characterized in that: The middle part of the horizontal axis (6) is connected to the main body (1) through the first connecting sleeve (5) on the main body (1); the transparent film (9) is sleeved on the side of the first connecting sleeve (5).

4. The ophthalmic surgical drape according to claim 1, characterized in that: The positioning mark line (8) is a group of at least (11) concentric circles, with a cross mark set inside the concentric circle. The horizontal line of the cross mark is parallel to the horizontal bar (2). The two ends of the horizontal line are marked with "0° / 180°", and the two ends of the vertical line of the cross mark are marked with "90°". An angle mark line is set on each concentric circle.

5. An ophthalmic surgical drape according to claim 4, characterized in that: A rotation direction marking line (11) is also provided on the outer side of the concentric circles.

6. The ophthalmic surgical drape according to claim 4, characterized in that: The central circle of the concentric circles is a circle with a diameter of 0.1 cm. Then, from the inside out, each circle is spaced 0.1 cm apart, for a total of 11 circles. From the inside out, the 1st to 5th rings have short angle marking lines every 5° and long angle marking lines every 10°. From the inside out, the 6th to 11th rings have ultra-short angle marking lines every 1°, short scale lines every 5°, and long angle marking lines every 10°.

7. The ophthalmic surgical drape according to claim 1, characterized in that: The main body (1) is also provided with a deformable nasal support frame (7) corresponding to the nasal bone part of the human body.

8. The ophthalmic surgical drape according to claim 1, characterized in that: One end of the transparent film (9) is provided with a second connecting sleeve (10) that is sleeved with the horizontal axis (6).

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