Puncture point hemostatic patch

Abstract

The utility model discloses a puncture point hemostatic patch belongs to hemostatic patch technical field, it includes: the annular adhesive plaster and the compression assembly for sticking skin, the middle part of annular adhesive plaster is equipped with the opening of exposing puncture point, the compression assembly includes annular cover, pressing piece and ratchet type one way lock lock unit, annular cover with annular adhesive plaster fixed connection and coaxial arrangement, pressing piece is movably inserted in the annular cover, and the pressing piece can be positive pressure puncture point, ratchet type one way lock lock unit includes the unidirectional folding of the switch blade, the switch blade sets up on annular cover or pressing piece, and the switch blade can hinder pressing piece reverse movement. The utility model can complete to the automatic pressing of puncture point.

Description

Technical Field

[0001] This utility model relates to the field of hemostatic patch technology, and in particular to a puncture point hemostatic patch. Background Technology

[0002] Hemostatic bandages, also known as "hemostatic plasters," serve to stop bleeding and protect wounds. A bandage is a piece of adhesive tape with a layer of medicated gauze in the middle to protect the wound and temporarily stop bleeding. They come in various shapes, including finger patches, knuckle patches, irregularly shaped patches, and waterproof patches. They are one of the most commonly used surgical medications in daily life. Hemostatic bandages, also known as benzalkonium chloride patches, are commonly called antibacterial elastic bandages. They are primarily composed of plain adhesive tape and an absorbent pad. They serve to stop bleeding and protect wounds. Various shapes of bandages are available for patients to use according to different needs.

[0003] After the intravenous infusion is completed, the bandage usually needs to be pressed with a finger until the bleeding at the puncture site stops before it can be removed. However, children often refuse to have the bandage pressed after the IV needle is removed; adults may also encounter situations where it is inconvenient to press the bandage. For some patients with coagulation disorders, prolonged pressure is required to stop the bleeding, and the existing bandages require manual pressure, which is inconvenient. Utility Model Content

[0004] In view of this, it is necessary to provide a puncture point hemostatic patch to solve the problem that existing hemostatic patches require manual pressure and are inconvenient to operate.

[0005] This utility model provides a puncture point hemostatic patch, comprising:

[0006] A ring-shaped adhesive patch is used to adhere to the skin, with an opening in the middle to expose the puncture point;

[0007] The clamping assembly includes an annular sleeve, a pressing member, and a ratchet-type one-way locking unit. The annular sleeve is fixedly connected to and coaxially arranged with an annular adhesive. The pressing member is movably inserted into the annular sleeve and can press the puncture point in the forward direction. The ratchet-type one-way locking unit includes a lever that can be bent in one direction. The lever is disposed on the annular sleeve or the pressing member and can prevent the pressing member from moving in the reverse direction.

[0008] Furthermore, the clamping assembly also includes a rack, which is embedded inside the annular sleeve and arranged axially. A paddle is disposed on the pressing member, and the paddle is adapted to the rack. The paddle and the rack are locked in opposite directions to maintain the pressure of the pressing member relative to the puncture point.

[0009] Furthermore, the clamping assembly also includes a rack, which is embedded outside the pressing member and arranged axially. A paddle is disposed inside the annular sleeve, and the paddle is adapted to the rack. The paddle and the rack are locked in opposite directions to maintain the pressure of the pressing member relative to the puncture point.

[0010] Furthermore, at least two racks are equidistant from each other around the axis of the clamping assembly, with the racks and paddles corresponding to each other.

[0011] Furthermore, at least one lever is arranged along the axis of the clamping assembly, and the lever is adapted to the rack.

[0012] Furthermore, hemostatic cotton is placed between the pressing element and the puncture point.

[0013] Furthermore, the end of the pressing piece opposite the puncture point is provided with a pattern for restraining the hemostatic cotton.

[0014] Furthermore, the other end of the pressing member is provided with a protrusion for pressing, the protrusion being positioned to protrude relative to the pressing member.

[0015] Furthermore, the clamping assembly also includes a positioning unit, which includes a slot and a card. The slot and the card are respectively disposed on the pressing member and the annular sleeve. The card is engaged in the slot so that the auxiliary lever can be aligned with the rack.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This utility model provides a puncture point hemostatic patch, which is fixed to the skin with a ring-shaped adhesive patch and exposes the puncture point. Combined with a clamping component with a ratchet-type one-way locking unit, the pressing component automatically locks after pressing the puncture point in one direction, eliminating the need for continuous manual pressure. It has the advantages of convenient operation, maintaining stable pressing pressure, and improving hemostatic effect. Attached Figure Description

[0018] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0019] Figure 1 This is a three-dimensional structural diagram of the entire utility model;

[0020] Figure 2 This is a top view of the overall structure of this utility model;

[0021] Figure 3 for Figure 2 Sectional view along the middle AA direction;

[0022] Figure 4 This is an exploded view of the entire utility model;

[0023] Figure 5 This is a schematic diagram of the pressing component in this utility model.

[0024] In the diagram, 100 is a circular adhesive strip; 110 is an opening.

[0025] 200. Clamping assembly; 210. Ring sleeve; 220. Pressing element; 221. Pattern; 222. Protrusion; 230. Ratchet-type one-way locking unit; 231. Paddle; 232. Rack; 240. Positioning unit; 241. Slot; 242. Card;

[0026] 300. Hemostatic cotton. Detailed Implementation

[0027] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0028] In existing technologies, bandages are commonly used to stop bleeding at puncture sites. Traditional bandages consist of adhesive tape and an absorbent pad, requiring manual pressure to achieve hemostasis. For pediatric patients or those with coagulation disorders, manual pressure presents challenges such as poor compliance and inconvenience, failing to meet the need for sustained, stable pressure. For instance, when removing the needle after an IV infusion, the patient may interrupt pressure due to pain or activity, affecting the hemostatic effect.

[0029] This application proposes a puncture point hemostatic patch, which relates to the field of hemostatic patch technology. The puncture point hemostatic patch is provided with a pressing component, which can press the puncture point in one direction and maintain self-locking, applying continuous positive pressure to the puncture point and promoting clotting at the puncture point.

[0030] Please see Figures 1 to 5 A puncture point hemostatic dressing includes an annular adhesive patch 100 and a clamping assembly 200. The annular adhesive patch 100 has an opening 110 in the center to expose the puncture point. The clamping assembly 200 includes an annular sleeve 210, a pressing member 220, and a ratchet-type one-way locking unit 230. The annular sleeve 210 is fixed to the annular adhesive patch 100 and coaxially arranged. The pressing member 220 is movably inserted into the annular sleeve 210 and can press the puncture point in the forward direction. The ratchet-type one-way locking unit 230 includes a unidirectionally bendable lever 231, disposed on the annular sleeve 210 or the pressing member 220, to prevent the pressing member 220 from moving in the reverse direction.

[0031] Among them, the ring-shaped adhesive patch 100 refers to a patch with a ring-shaped adhesive area, which can be made of medical adhesive tape material. The diameter of the opening 110 can be adjusted according to the size of the puncture point, and is used to fit the skin and expose the wound area.

[0032] The annular sleeve 210 is a rigid or semi-rigid structure coaxially connected to the annular adhesive 100, and may be made of plastic or composite material, used to provide a sliding track for the pressing element 220.

[0033] The pressing element 220 refers to a columnar component that moves axially along the annular sleeve 210. It can be made of silicone or hard plastic and applies vertical pressure when its end contacts the puncture point.

[0034] The ratchet-type one-way locking unit 230 refers to a one-way limiting mechanism composed of a paddle 231. The paddle 231 can be designed as an elastic plastic sheet or a metal spring sheet, and its bending direction is opposite to the moving direction of the pressing member 220, so as to prevent the pressing member 220 from retracting.

[0035] Specifically, after the annular adhesive patch 100 is applied to the skin, the operator pushes the pressing element 220 towards the puncture point. The paddle 231 of the ratchet-type one-way locking unit 230 restricts the reverse displacement of the pressing element 220. When the pressing element 220 contacts the puncture point and applies pressure, the paddle 231 engages one-way with the corresponding structure (annular sleeve 210 or the pressing element 220), maintaining stable pressure. For example, during the downward press of the pressing element 220, the paddle 231 may bend under external force, allowing forward movement; after release, the paddle 231 returns to its original shape, creating mechanical interference with adjacent structures and preventing the pressing element 220 from rebounding.

[0036] Compared to existing technologies, traditional bandages rely on continuous manual pressure, while this solution achieves pressure self-locking through a ratchet-type one-way locking unit 230, reducing reliance on manual labor. Existing products gradually lose pressure after release, while the paddle 231 of this application forms a physical limit with the annular sleeve 210 or the pressing element 220, keeping the pressure of the hemostatic cotton 300 on the puncture point constant.

[0037] In some embodiments, please refer to Figures 2 to 5 The ratchet-type one-way locking unit 230 also includes a rack 232, which is embedded inside the annular sleeve 210 and arranged axially. A paddle 231 is disposed on the pressing member 220. The paddle 231 is adapted to the rack 232, and the paddle 231 and the rack 232 are locked in opposite directions. The paddle 231 can maintain the pressure of the pressing member 220 relative to the puncture point.

[0038] The rack 232 refers to a strip-shaped component with a continuous toothed structure. Specifically, it can be achieved by injection molding to form raised teeth 222 on the inner wall of the annular sleeve 210. Its function is to provide a unidirectional locking path for the paddle 231. The paddle 231 refers to a sheet-like structure with elastic deformation capability. Specifically, it can be made of polypropylene material, with one end fixed and the other end suspended, forming a tongue-shaped elastic sheet. Its function is to restrict the retraction of the pressing member 220 by engaging with the rack 232. Reverse locking means that only the pressing member 220 is allowed to move in the pressing direction while preventing reverse release. This is achieved by the free end of the paddle 231 engaging in the tooth groove gap of the rack 232. Its function is to maintain continuous pressure on the puncture point through mechanical self-locking.

[0039] Specifically, when the pressing element 220 is pressed down, the free end of the paddle 231 undergoes elastic deformation due to the compression of the inclined surface of the rack 232, allowing it to smoothly slide through the tooth groove. When the pressure applied to the pressing element 220 is removed, the paddle 231 embeds into the adjacent tooth groove due to its elastic restoring force, preventing the pressing element 220 from rebounding, thereby maintaining a constant pressure on the puncture point. This structure forms a mechanical self-locking mechanism through the meshing relationship between the rack 232 and the paddle 231, maintaining hemostasis without the need for continuous manual pressure.

[0040] Compared with existing technologies, current hemostatic patches rely on manual pressure to maintain pressure, which has problems such as requiring prolonged application of force and inconvenience in operation. This solution solves the technical defects of traditional hemostatic patches that require continuous manual pressure by setting an axial rack 232 embedded in the annular sleeve 210 and an elastic paddle 231 on the pressing member 220, and utilizing the self-locking characteristics of the ratchet mechanism, which can automatically maintain the pressing depth after the external force is removed.

[0041] Through the above technical solution, this application can maintain effective pressure on the puncture point through the mechanical locking action of the ratchet mechanism after the user releases the pressing action. It is especially suitable for pediatric patients who cannot cooperate with the pressing operation or groups with coagulation dysfunction, which significantly reduces the difficulty of operation and improves the reliability of hemostasis.

[0042] As an alternative implementation, the ratchet-type one-way locking unit 230 includes a unidirectionally bendable lever 231 disposed inside the annular sleeve 210. The lever 231 can prevent the pressing member 220 from moving in the opposite direction. The ratchet-type one-way locking unit 230 also includes a rack 232, which is embedded outside the pressing member 220 and arranged axially. The lever 231 is disposed inside the annular sleeve 210. The lever 231 is adapted to the rack 232, and the lever 231 and the rack 232 are locked in opposite directions to maintain the pressure of the pressing member 220 relative to the puncture point.

[0043] Among them, the rack 232 refers to the strip-shaped protrusion 222 structure set on the outer surface of the pressing member 220. Specifically, it can be implemented by a metal or hard plastic strip with serrations. The serrations are evenly distributed along the axial direction and are used to form a meshing relationship with the paddle 231.

[0044] Among them, the paddle 231 refers to the elastic component set on the inner wall of the annular sleeve 210. Specifically, it can be made of spring steel sheet or engineering plastic sheet. Its end has a tooth structure that matches the saw teeth of the rack 232, and it can achieve unidirectional bending through elastic deformation.

[0045] The reverse locking means that when the pressing member 220 is pressed down, the paddle 231 is allowed to bend elastically through the rack 232, but when it moves up, the paddle 231's teeth are embedded in the gap between the teeth of the rack 232, forming mechanical interference, thereby preventing the pressing member 220 from retracting.

[0046] Specifically, when the pressing member 220 is pressed down, the paddle 231 inside the annular sleeve 210 is elastically bent outward by the rack 232, allowing the pressing member 220 to move downward in one direction. When the external force is removed, the paddle 231 rebounds due to elastic restoring force and engages with the serrations of the rack 232, preventing the pressing member 220 from retracting upward. The rack 232 is axially arranged along the outer surface of the pressing member 220, forming a multi-directional constraint with the paddle 231 on the inner wall of the annular sleeve 210, preventing the pressing member 220 from deflecting. For example, three sets of racks 232 can be equidistantly distributed around the axis of the pressing member 220, with the number of corresponding paddles 231 matching the number of racks 232, ensuring a uniform distribution of locking force.

[0047] As a further embodiment, at least two racks 232 are equidistantly arranged around the axis of the clamping assembly 200, and the racks 232 are correspondingly arranged with the paddles 231.

[0048] The axis of the clamping assembly 200 refers to the common center line of the annular sleeve 210 and the pressing member 220. Specifically, it can be achieved by using the geometric center line of the inner wall of the annular sleeve 210, which is used to define the arrangement direction of the rack 232 and the paddle 231.

[0049] The equidistant arrangement of racks 232 around the axis means that multiple racks 232 are evenly distributed around the circumference of the annular sleeve 210 or the pressing member 220. Specifically, three racks 232 can be arranged around the axis at 120-degree intervals to ensure that the pressing member 220 is subjected to uniform force when it is pressed down.

[0050] The corresponding arrangement of rack 232 and paddle 231 means that each rack 232 is equipped with an independent paddle 231. Specifically, this can be achieved by forming a one-to-one engagement relationship between the tooth groove of each rack 232 and the snap-fit ​​part of the paddle 231, so as to ensure that each locking unit works independently.

[0051] Specifically, when the pressing member 220 moves towards the puncture point, the paddle 231 contacts the tooth surface of the rack 232 and bends in one direction, allowing the pressing member 220 to slide in one direction. When the pressing member 220 is subjected to a reverse force, the paddle 231 engages with the tooth groove of the rack 232 to form a lock. Since multiple racks 232 are equidistantly distributed around the axis, the downward pressure of the pressing member 220 is evenly transmitted to the area around the puncture point, preventing the pressing member 220 from shifting or tilting due to unilateral locking. For example, the inner wall of the annular sleeve 210 is provided with three racks 232, and the outer wall of the pressing member 220 is provided with three corresponding elastic paddles 231. The synchronous locking of the three can eliminate the risk of structural failure caused by asymmetrical force.

[0052] Compared to existing technologies, the pressing mechanism of existing hemostatic patches typically uses a single rack 232 with a single lever 231. This can easily lead to locking failure due to localized stress concentration during unidirectional locking, and the pressing component 220 may tilt due to uneven force distribution. In contrast, this solution uses multiple racks 232 arranged at equal intervals to distribute the locking force circumferentially, improving the stability of the pressing component 220 during the pressing process.

[0053] As a further embodiment, at least one paddle 231 is disposed along the axis of the clamping assembly 200, and the paddle 231 is adapted to the rack 232.

[0054] The setting of the paddle 231 along the axis of the clamping assembly 200 means that the extension direction of the paddle 231 is parallel or coincident with the central axis of the clamping assembly 200. Specifically, it can be achieved by using an elastic metal sheet or plastic sheet to extend along the axial direction of the annular sleeve 210 or the pressing member 220 and fix it to its surface. By arranging it along the axis, the contact position between the paddle 231 and the rack 232 can be ensured to be symmetrical, reducing the risk of locking failure caused by misalignment.

[0055] The matching of the paddle 231 and the rack 232 means that the end shape of the paddle 231 matches the tooth groove contour of the rack 232. Specifically, this can be achieved by designing a barb-shaped structure or an inclined surface at the end of the paddle 231. When the pressing member 220 moves in the forward direction, the paddle 231 can slide over the tooth surface of the rack 232, and when it moves in the reverse direction, it will be locked into the tooth groove.

[0056] Specifically, the number of paddles 231 can be increased to 1, 2, 3, or 4, arranged in an array along the axial direction. Each paddle 231 simultaneously contacts the rack 232, and the teeth of the rack 232 force the paddles 231 to elastically deform, allowing the pressing element 220 to move unidirectionally. When the pressure is released or reversed, the paddles 231 return to their original shape and engage in the tooth grooves, preventing the pressing element 220 from retracting. The arrangement of multiple paddles 231 significantly improves the reliability and anti-eccentric load capability of the locking unit, making it particularly suitable for scenarios involving patients with coagulation disorders who require prolonged and stable pressure.

[0057] In some embodiments, please refer to Figure 3 This application further proposes that a hemostatic cotton 300 be provided between the pressing element 220 and the puncture point.

[0058] Among them, hemostatic cotton 300 refers to a flexible material with liquid absorption and hemostasis functions. Specifically, it can be made of degreased cotton, medical sponge or composite fiber material containing hemostatic agent. It is used to directly contact the puncture point to absorb oozing blood and assist in hemostasis.

[0059] The pressing element 220 is a component that can move along the axial direction. By applying pressure to the pressing element, the hemostatic cotton 300 is made to adhere to the puncture point and maintain pressure.

[0060] Specifically, the hemostatic cotton 300 is fixed to the end of the pressing member 220 facing the puncture point. When the pressing member 220 moves downwards along the annular sleeve 210, the hemostatic cotton 300 is compressed and comes into close contact with the puncture point, absorbing blood and keeping the area around the puncture point dry. The thickness of the hemostatic cotton 300 can be adjusted according to actual needs, for example, set to 1-3 mm to balance the liquid absorption capacity and pressure transmission efficiency. During the continuous pressing process of the pressing member 220, the hemostatic cotton 300 also acts as a buffer, preventing the hard pressing member 220 from directly compressing the skin and causing discomfort or secondary injury.

[0061] Compared to existing technologies, current hemostatic patches rely solely on adhesive tape and manual pressure to achieve hemostasis, lacking active absorbent materials, resulting in limited hemostatic efficiency and the need for prolonged manual pressure. This solution adds 300g of hemostatic cotton, enhancing the hemostatic effect through material properties while applying mechanical pressure, thus reducing reliance on continuous external pressure.

[0062] Through the above technical solution, this application can improve the hemostasis efficiency at the puncture point. After the pressure piece 220 is tightened, the hemostatic cotton 300 continuously absorbs the oozing blood and releases hemostatic components, reducing clotting time. For patients with abnormal coagulation function, the auxiliary hemostatic effect of the hemostatic cotton 300 can reduce the duration of manual pressure and avoid the risk of wound exposure caused by frequent changes of the hemostatic dressing.

[0063] In some embodiments, please refer to Figure 5 The pressing element 220 has a pattern 221 at one end relative to the puncture point for restraining the hemostatic cotton 300.

[0064] Among them, the pattern 221 refers to the regular or irregular geometric protrusions 222 or recesses formed on the surface of the pressing part 220. Specifically, it can be achieved by one or more combinations of grid, stripe, dot matrix, etc., which can prevent the hemostatic cotton 300 from shifting by increasing the friction of the contact surface or forming a physical limit.

[0065] Among them, hemostatic cotton 300 refers to a flexible block made of absorbent material, which can be made of one or more composite structures of degreased cotton, sponge, and non-woven fabric, and is used to absorb blood seeping from the puncture point and promote coagulation.

[0066] Specifically, when the pressing member 220 moves downward to press the puncture point, the hemostatic cotton 300 is pressed against the surface of the puncture point, and the pattern 221, through the surface concave-convex structure or boundary restriction, generates frictional engagement with the hemostatic cotton 300, so that the hemostatic cotton 300 will not slide laterally or rotate due to external force or patient movement during the pressing process, ensuring that the hemostatic cotton 300 always covers the puncture point directly above.

[0067] Compared with existing technologies, the hemostatic cotton 300 in traditional hemostatic patches is only fixed at the edge by adhesive. During the pressing process, the hemostatic cotton 300 is prone to displacement due to local pressure or skin deformation. However, this application directly constrains the contact surface between the hemostatic cotton 300 and the pressing part 220 through the design of the pattern 221, forming a multi-directional limiting effect, which solves the problem of hemostasis failure caused by the displacement of the hemostatic cotton 300.

[0068] This application can maintain the stable coverage of the hemostatic cotton 300 in the puncture point area by constraining the contact surface of the pressing member 220 and the hemostatic cotton 300 with the pattern 221 without the need for additional fixing structure. It is especially suitable for the need to prevent the hemostatic cotton 300 from shifting when the patient moves his limbs.

[0069] In some embodiments, please refer to Figure 4 The other end of the pressing member 220 is provided with a protrusion 222 for pressing, and the protrusion 222 protrudes relative to the pressing member 220.

[0070] The protrusion 222 refers to a force-applying structure located at the end of the pressing member 220 and extending outward. It can be implemented using a hemispherical or cylindrical boss, and its outer surface can be provided with anti-slip texture to enhance the stability of force application. This structure forms an effective force application point through local protrusion design, allowing the operator to concentrate vertical pressure when pressing.

[0071] Specifically, when the operator applies downward pressure to the protrusion 222, the protruding structure of the protrusion 222 concentrates and transmits the externally applied force to the axial direction of the pressing member 220. Because of the height difference between the protrusion 222 and the main body of the pressing member 220, the operator's fingers or auxiliary tools can precisely press against the top surface of the protrusion 222, preventing slippage during the application of force. When the ratchet-type one-way locking unit 230 holds the pressing member 220 in the downward state, the protruding structure of the protrusion 222 simultaneously forms a physical limit, preventing excessive force from causing excessive compression of the hemostatic cotton 300.

[0072] In some embodiments, please refer to Figure 4 and Figure 5 The pressing assembly 200 also includes a positioning unit 240, which includes a slot 241 and a card 242. The slot 241 and the card 242 are respectively disposed on the pressing member 220 and the annular sleeve 210. The card 242 is engaged in the slot 241 so that the auxiliary paddle 231 and the rack 232 are aligned.

[0073] The slot 241 refers to the groove structure formed on the surface of the pressing member 220, which can be formed by stamping or injection molding. Its shape matches the card 242 and is used to restrict the position of the card 242. The card 242 refers to the protrusion 222 structure provided on the inner side of the annular sleeve 210, which can be made of elastic plastic sheet or metal sheet. It can be embedded in the slot 241 to fix the relative position of the pressing member 220 and the annular sleeve 210. Through the cooperation of the slot 241 and the card 242, it can be ensured that the lever 231 and the rack 232 remain aligned during the pressing of the pressing member 220, avoiding locking failure due to misalignment.

[0074] Specifically, when the pressing member 220 moves axially along the annular sleeve 210, the card 242 is embedded in the slot 241, preventing the pressing member 220 from rotating circumferentially. At this time, the paddle 231 on the pressing member 220 and the rack 232 in the annular sleeve 210 remain aligned in the axial direction, ensuring that the ratchet-type one-way locking unit 230 is always effective during the pressing process. For example, the cards 242 can be set in two symmetrically distributed sets, with the slots 241 correspondingly arranged on both sides of the pressing member 220, further restricting the degree of freedom of the pressing member 220 and ensuring that the downward pressure direction is perpendicular to the puncture point.

[0075] Compared with existing technologies, the pressing components of existing bandages lack a positioning structure, which makes it easy for the locking unit to fail to engage properly when pressed due to the displacement of the pressing component 220. The positioning unit 240 of this application eliminates the risk of circumferential displacement during the pressing process through the mechanical constraint of the slot 241 and the card 242, which significantly improves the reliability of the ratchet-type one-way locking unit 230.

[0076] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the present utility model.

Claims

1. A puncture point hemostatic patch, characterized by, include: A ring-shaped adhesive patch for sticking to the skin, wherein the ring-shaped adhesive patch has an opening in the middle to expose the puncture point; A clamping assembly includes an annular sleeve, a pressing member, and a ratchet-type one-way locking unit. The annular sleeve is fixedly connected to and coaxially arranged with the annular adhesive. The pressing member is movably inserted into the annular sleeve and can press the puncture point in the forward direction. The ratchet-type one-way locking unit includes a lever that can be bent in one direction. The lever is disposed on the annular sleeve or the pressing member and can prevent the pressing member from moving in the reverse direction.

2. The punctal plug of claim 1, wherein the plug body is formed of a material that is substantially non- absorbent. The ratchet-type one-way locking unit also includes a rack, which is embedded inside the annular sleeve and arranged axially. The paddle is disposed on the pressing member and is adapted to the rack. The paddle and the rack are locked in opposite directions to maintain the pressure of the pressing member relative to the puncture point.

3. The puncture point hemostatic patch according to claim 1, characterized in that, The ratchet-type one-way locking unit also includes a rack, which is embedded outside the pressing member and arranged axially. The paddle is disposed inside the annular sleeve and is adapted to the rack. The paddle and the rack are locked in opposite directions to maintain the pressure of the pressing member relative to the puncture point.

4. The punctal plug of claim 2 or 3, wherein the plug body comprises a material selected from the group consisting of: silicone, polyurethane, and combinations thereof. At least two of the racks are equidistant from each other around the axis of the clamping assembly, and the racks are correspondingly arranged with respect to the paddles.

5. The punctal plug hemostatic patch of claim 4, wherein, At least one of the paddles is disposed along the axis of the clamping assembly, and the paddle is adapted to the rack.

6. The punctal plug of claim 1, wherein the plug body is formed from a material selected from the group consisting of: silicone, polyurethane, and combinations thereof. A hemostatic cotton is placed between the pressing element and the puncture point.

7. The punctal plug hemostatic patch of claim 6, wherein, The pressing element has a pattern at one end relative to the puncture point to restrain the hemostatic cotton.

8. The punctal plug hemostatic patch of claim 7, wherein, The other end of the pressing member is provided with a protrusion for pressing, and the protrusion is provided to protrude relative to the pressing member.

9. The punctal plug hemostatic patch of claim 2, wherein, The clamping assembly further includes a positioning unit, which includes a slot and a card. The slot and the card are respectively disposed on the pressing member and the annular sleeve. The card is engaged in the slot to assist the paddle in aligning with the rack.

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