Self-triggering type cold compress hemostasis patch

Abstract

The invention discloses a self-triggering type cold compress hemostasis patch which comprises a bandage, a heat absorption assembly and a hemostasis assembly. A gauze bag is arranged on the lower side surface of the bandage; the heat absorption assembly comprises a heat absorption bag, a TPU film, a weakening groove and a top plate, the heat absorption bag is arranged at the upper end of the interior of the gauze bag, the TPU film is arranged in the heat absorption bag, the weakening groove is formed in the middle of the TPU film, the top plate is arranged on the bottom wall of the heat absorption bag and matched with the weakening groove, and reaction particles are arranged between the bottom wall of the heat absorption bag and the TPU film; purified water is filled between the upper side surface of the TPU film and the top wall of the heat absorption bag; the hemostasis assembly comprises a hemostasis bag, the hemostasis bag is arranged at the lower end of the interior of the gauze bag, the hemostasis bag is filled with hemostasis particles, according to the self-triggering type cold compress hemostasis patch, automatic starting of the hemostasis and cold compress functions is achieved through the self-triggering type linkage design, and the problems that manual operation is tedious and the linkage performance is poor are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hemostatic patches, in particular to a self-triggering cold compress hemostatic patch. BACKGROUND

[0002] In the field of medical first aid, bleeding caused by trauma is relatively common, and timely and effective hemostasis and cold compress treatment is crucial for reducing blood loss, relieving pain and promoting wound healing. With the development of medical technology, various hemostatic patch products for wound care have appeared on the market. These products meet the basic hemostatic needs to some extent, but there is still room for improvement in terms of functional integration and ease of use. At present, the existing cold compress hemostatic patch is mainly composed of a bandage, a cold compress assembly and a hemostatic assembly. Its working process is usually as follows: when a wound bleeds, the user needs to first attach the hemostatic part of the hemostatic patch to the wound, and then manually squeeze or pinch the cold compress bag to make the contents of the cold compress bag react and generate low temperature to achieve cold compress effect. This traditional cold compress hemostatic patch requires manual operation to trigger the cold compress function when in use, and the activation of hemostasis and cold compress functions is relatively independent. However, the existing technology has the following problems: the manual triggering of the cold compress function not only increases the complexity of the operation, but also may affect the hemostatic and cold compress effect in an emergency due to untimely operation. Secondly, the hemostasis and cold compress functions lack a linkage mechanism and cannot automatically activate the cold compress according to the actual bleeding of the wound, making it difficult to form a synergistic effect. Therefore, we propose a self-triggering cold compress hemostatic patch. SUMMARY

[0003] The technical problem to be solved by the present application is to overcome the existing defects and provide a self-triggering cold compress hemostatic patch. The self-triggering linkage design realizes the automatic activation of hemostasis and cold compress functions, effectively solving the problems in the background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a self-triggering cold compress hemostatic patch, comprising a bandage, a heat absorption assembly and a hemostatic assembly. The bandage has a gauze bag on its lower side. The heat absorption assembly comprises a heat absorption bag, a TPU film, a weakened groove and a top plate. The heat absorption bag is arranged at the upper end of the gauze bag, the TPU film is arranged inside the heat absorption bag, the middle part of the TPU film is provided with a weakened groove, the top plate is arranged on the bottom wall of the heat absorption bag and matched with the weakened groove, reaction particles are arranged between the bottom wall of the heat absorption bag and the TPU film, and pure water is filled between the upper side of the TPU film and the top wall of the heat absorption bag. The hemostatic assembly comprises a hemostatic bag arranged at the inner lower end of the gauze bag, the inside of the hemostatic bag is filled with hemostatic particles, the lower end of the hemostatic bag is exposed to the lower end of the gauze bag, the upper side of the hemostatic bag is in contact with the lower side of the heat-absorbing bag, the automatic starting of the hemostasis and cold compress functions is realized through the self-triggering linkage design, and the problems of complicated manual operation and poor linkage are solved.

[0005] Further, the heat-absorbing assembly further comprises a C-shaped silica gel strip, a silica gel strip and a protrusion, the C-shaped silica gel strip is arranged on the front side of the heat-absorbing bag, the front end upper side of the C-shaped silica gel strip is provided with the silica gel strip, the upper side of the silica gel strip is provided with the protrusion, the front side wall of the gauze bag is provided with an avoiding opening corresponding to the C-shaped silica gel strip, the C-shaped silica gel strip, the silica gel strip and the protrusion cooperate with the avoiding opening, the external force is accurately conducted to the top plate through elastic deformation, the rupture of the TPU film under pressure is ensured, and the reliable triggering of the cold compress reaction is realized.

[0006] Further, the heat-absorbing assembly further comprises a sticky strip, the sticky strip is arranged on the lower side of the silica gel strip, the silica gel strip is bonded to the upper side of the bandage, and the sticky strip bonds the silica gel strip and the bandage, which not only fixes the initial position of the silica gel strip to avoid accidental triggering, but also allows the silica gel strip to separate and start mechanical transmission when stressed, thereby ensuring the stability of the triggering mechanism.

[0007] Further, the hemostatic assembly further comprises a groove, the upper end of the hemostatic bag is provided with the groove, the silica gel strip is arranged in cooperation with the groove, and the sticky strip is arranged in cooperation with the bottom wall of the groove, the hemostatic bag groove cooperates with the silica gel strip, so that the pressure generated by the expansion of the calcium alginate is converted into the mechanical force of the rotation of the silica gel strip, the cold compress assembly is triggered in linkage, and a self-feedback mechanism of “bleeding-expansion-triggering” is formed.

[0008] Further, the hemostatic assembly further comprises calcium alginate powder particles, the hemostatic particles are calcium alginate powder particles, the calcium alginate powder particles are rapidly absorbed and expanded 20-30 times to form a gel after coming into contact with blood through ion exchange, fill the wound gap and release calcium ions to accelerate blood coagulation, and realize the dual hemostasis of physical compression and biological coagulation.

[0009] Further, the hemostatic assembly further comprises a permeable membrane, a medical adhesive strip and a third release film, the bottom wall of the hemostatic bag is provided with the permeable membrane, the lower side of the hemostatic bag is provided with the medical adhesive strip, and the lower side of the medical adhesive strip is bonded with the third release film, the permeable membrane is used in cooperation with the calcium alginate powder particles, the permeable membrane (medical grade polyurethane hydrophilic membrane) cooperates with the medical adhesive strip and the third release film, which not only allows the plasma to permeate to activate the calcium alginate, but also blocks the powder from falling off, and realizes accurate attachment and rapid positioning through the adhesive strip.

[0010] Further, the heat absorption assembly further comprises ammonium chloride particles, the reaction particles are ammonium chloride particles, the ammonium chloride particles are used in cooperation with pure water, and after the ammonium chloride particles are mixed with the pure water, an endothermic reaction occurs, the local temperature is reduced, blood vessels are contracted through low temperature to reduce bleeding, and a synergistic effect is formed with the hemostatic assembly.

[0011] Further, the upper side left end of the bandage and the lower side right end of the bandage are both provided with an adhesive sheet, the adhesive surface of the adhesive sheet is adhered with a first release film, and the adhesive sheet of the bandage forms an adjustable winding fixing structure through overlapping and pasting, so that different limb circumferences are adapted, and close adhesion of the dressing and displacement resistance are ensured.

[0012] Further, the upper side right end of the bandage is provided with a waterproof patch, the sticking surface of the waterproof patch is adhered with a second release film, and the waterproof patch forms an outer sealing barrier to prevent leakage of exudate and external pollution and maintain the sterility of the cold compress hemostasis environment of the wound.

[0013] Compared with the prior art, the self-triggered cold compress hemostasis patch has the following advantages: Through the linkage design of the bandage fixing, the heat absorption assembly and the hemostatic assembly, the self-triggered cold compress hemostasis function is realized: when the permeable membrane contacts the wound, the calcium alginate powder particles swell to form a gel to fill the fissure and release calcium ions to accelerate blood coagulation, and at the same time, the swelling force is conducted through the silica gel strip to make the convex protrude to move the top plate upward to break the TPU film, trigger the mixing of ammonium chloride and water to absorb heat, and reduce bleeding through low temperature contraction of blood vessels, so as to provide integrated care of hemostasis and cold compress for the wound. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present application; Figure 2 It is a structural schematic diagram of the local part of the bandage of the present application; Figure 3 It is a structural schematic diagram of the local part of the gauze bag of the present application; Figure 4 It is a structural schematic diagram of the local explosion of the heat absorption bag and the hemostatic bag of the present application; Figure 5 It is a structural schematic diagram of the local section of the heat absorption bag of the present application; Figure 6 It is a structural schematic diagram of the local part of the TPU film of the present application; Figure 7 It is a structural schematic diagram of the local explosion of the hemostatic assembly of the present application; Figure 8 It is a structural schematic diagram of the lower side of the present application; Figure 9 It is a structural schematic diagram of the local part of the waterproof patch of the present application; Figure 10 It is a structural schematic diagram of the winding of the bandage when the bandage is used.

[0015] In the figure: 1 bandage, 2 heat absorption assembly, 21 heat absorption bag, 22 ammonium chloride particles, 23 TPU film, 24 weakened groove, 25 top plate, 26 C-shaped silica gel strip, 27 silica gel strip, 28 protrusion, 29 adhesive strip, 3 hemostasis assembly, 31 hemostasis bag, 32 groove, 33 permeable membrane, 34 medical adhesive strip, 35 third release film, 36 calcium alginate powder particles, 4 first release film, 5 adhesive sheet, 6 waterproof paste, 7 second release film, 8 gauze bag, 9 avoidance port. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0017] Please refer to Figures 1-10 The present embodiment provides a technical solution: a self-triggering cold compress hemostatic paste, comprising a bandage 1, a heat absorption assembly 2 and a hemostasis assembly 3. The bandage 1 has a gauze bag 8 on the lower side, and the upper side left end of the bandage 1 and the lower side right end of the bandage 1 are both provided with an adhesive sheet 5. The adhesive sheet 5 can be selected from medical rubber adhesive, and the adhesive surface of the adhesive sheet 5 is adhered with a first release film 4. The first release film 4 protects the adhesive sheet 5 from contamination when not in use, and when in use, the first release film 4 is torn to separate the first release film 4 from the adhesive sheet 5. The adhesive sheet 5 on the right end of the bandage 1 is adhered to the left end of the bandage 1, and the bandage 1 is connected and docked by the adhesive sheet 5. The right end of the upper side of the bandage 1 is provided with a waterproof paste 6, which can be selected from a medical PU film waterproof paste. The adhesive surface of the waterproof paste 6 is adhered with a second release film 7. The heat absorption assembly 2 comprises a heat absorption bag 21, a TPU film 23, a weakened groove 24 and a top plate 25. The heat absorption bag 21 is arranged at the inner upper end of the gauze bag 8. The heat absorption bag 21 adopts the bag structure of the HDR type ice bag in the prior art, adopts four-layer composite technology, contains special polymer refrigerant and one-way perforated plastic layer, supports extreme temperature environment of -190℃ to 180℃, has good water blocking effect, the TPU film 23 is arranged inside the heat absorption bag 21, the weakened groove 24 is arranged in the middle of the TPU film 23, the top plate 25 is arranged at the bottom wall of the heat absorption bag 21 and is arranged in cooperation with the weakened groove 24, the reaction particles are arranged between the bottom wall of the heat absorption bag 21 and the TPU film 23, the upper side of the TPU film 23 and the top wall of the heat absorption bag 21 are filled with pure water, the heat absorption assembly 2 further comprises ammonium chloride particles 22, the reaction particles are the ammonium chloride particles 22, the ammonium chloride particles 22 are used in cooperation with the pure water, the heat absorption assembly 2 further comprises a C-shaped silica gel strip 26, a silica gel strip 27 and a protrusion 28, the C-shaped silica gel strip 26 is arranged at the front side of the heat absorption bag, the front end upper side of the C-shaped silica gel strip 26 is provided with the silica gel strip 27, the upper side of the silica gel strip 27 is provided with the protrusion 28, the front side wall of the gauze bag 8 is provided with the avoiding port 9 corresponding to the C-shaped silica gel strip 26, the heat absorption assembly 2 further comprises a glue strip 29, the glue strip 29 is arranged at the lower side of the silica gel strip 27, the silica gel strip 27 is bonded with the upper side of the bandage 1, and the glue strip 29 is a strip-shaped medical rubber adhesive; The hemostatic assembly 3 comprises a hemostatic bag 31, which is arranged at the inner lower end of the gauze bag 8, the hemostatic bag 31 is filled with hemostatic particles, the lower end of the hemostatic bag 31 is exposed to the lower end of the gauze bag 8, the upper side of the hemostatic bag 31 is in contact with the lower side of the heat-absorbing bag 21, the hemostatic assembly 3 further comprises a groove 32, the upper end of the hemostatic bag 31 is provided with the groove 32, the silica gel strip 27 is arranged in cooperation with the groove 32, and the adhesive strip 29 is arranged in cooperation with the bottom wall of the groove 32, the hemostatic assembly 3 further comprises calcium alginate powder particles 36, the hemostatic particles are the calcium alginate powder particles 36, the hemostatic assembly 3 further comprises a permeable membrane 33, a medical adhesive strip 34 and a third release film 35, the middle of the bottom wall of the hemostatic bag 31 is provided with the permeable membrane 33, the lower side of the hemostatic bag 31 is provided with the medical adhesive strip 34, the lower side of the medical adhesive strip 34 is bonded with the third release film 35, and the permeable membrane 33 is used in cooperation with the calcium alginate powder particles 36 (the permeable membrane 33 is a medical-grade polyurethane hydrophilic membrane), first, the user tears off the third release film 35, then the permeable membrane 33 is aligned with the wound and attached to the skin around the patient's wound through the medical adhesive strip 34, then the two second release films 7 are torn off in turn, then the left end of the bandage 1 is wound around the patient's limb and the lower side of the left end of the bandage 1 is attached to the patient's skin, then the right end of the bandage 1 is also wound around the patient's limb, at this time the right end of the bandage 1 overlaps with the left end of the bandage 1, at this time the user slightly pulls the right end of the bandage 1, so that the side of the right end of the bandage 1 which overlaps with the left end of the bandage 1 is attached to the adhesive piece 5 on the left end of the bandage 1, finally the adhesive piece 5 on the right end of the bandage 1 is attached to the left end of the bandage 1, at this time the user tears off the silica gel strip 27, the adhesive strip 29 on the lower side of the silica gel strip 27 is separated from the bandage 1, then the silica gel strip 27 is inserted into the groove 32 at the upper end of the hemostatic bag 31, during this process the user needs to manually pull the silica gel strip 27, under the extensibility of the C-shaped silica gel strip 26, the silica gel strip 27 will rotate around the center of the fixed point of the C-shaped silica gel strip 26 and the heat-absorbing bag 21, when the silica gel strip 27 is inserted into the groove 32, the adhesive strip 29 on the lower side of the silica gel strip 27 will be attached to the bottom wall of the groove 32, at the same time the protrusions 28 on the silica gel strip 27 are attached to the lower side of the heat-absorbing bag 21, and the attachment of the protrusions 28 to the lower side of the heat-absorbing bag 21 is located on the lower side of the top plate 25, then the second release film 7 on the adhesive surface of the waterproof sticker 6 is torn off and wound around the patient's limb and attached to the patient's skin, preventing leakage of exudate and external contamination, maintaining the sealing of the cold compress and hemostatic environment, wherein the permeable membrane 33 is a medical-grade polyurethane (PU) hydrophilic membrane, the blood of the wound permeates through the permeable membrane 33 to contact the calcium alginate powder particles 36 (the permeable membrane 33 is a medical-grade polyurethane hydrophilic membrane), the Na + in the blood plasma exchanges with the Ca 2+ in the calcium alginate powder particles 36, breaks the cross-linked structure, stretches the molecular chain, and the hydrophilic group (-COO -, -OH) quickly absorbs water, expands to 20-30 times the dry weight, forms a gel, fills and squeezes the wound gap (calcium alginate powder particles 36 expand to form a gel in the hemostatic bag 31, and the volume expansion of the gel pushes the permeable membrane 33 to adhere to the wound, and the gel is squeezed into the wound gap, which realizes the effective filling of the gel to the wound), and at the same time, the silicone strip 27 is squeezed by the bottom wall of the groove 32 of the hemostatic bag 31, the silicone strip 27 drives the protrusion 28 to be forced to move upwards, and when the protrusion 28 moves upwards, it squeezes the bottom wall of the heat absorption bag 21, the top plate 25 is forced to push the weakened groove 24 of the TPU film 23 upwards, causing the TPU film 23 to break, causing the ammonium chloride particles 22 to mix with pure water to start cold compress, and the cold energy passes through the gauze bag 8 to act on the wound area, contracts blood vessels and reduces bleeding, completes cold compress and hemostasis, and cold compresses and hemostasis for the patient's wound.

[0018] The working principle of the self-triggering cold compress and hemostasis patch provided by the application is as follows: first, the user tears off the third release film 35, then the permeable membrane 33 is aligned with the wound and attached to the skin around the patient's wound by the medical adhesive strip 34, then the two second release films 7 are torn off in turn, then the left end of the bandage 1 is wrapped around the patient's limb and the lower side of the left end of the bandage 1 is attached to the patient's skin, then the right end of the bandage 1 is also wrapped around the patient's limb, at this time the right end of the bandage 1 overlaps with the left end of the bandage 1, then the user slightly pulls the right end of the bandage 1 to make the overlapping side of the right end of the bandage 1 adhere to the adhesive piece 5 on the left end of the bandage 1, and finally the adhesive piece 5 on the right end of the bandage 1 is adhered to the left end of the bandage 1, at this time the user pulls off the silicone strip 27, the adhesive strip 29 on the lower side of the silicone strip 27 is separated from the bandage 1, then the silicone strip 27 is inserted into the groove 32 at the upper end of the hemostatic bag 31 through the avoidance opening 9 on the front side of the gauze bag 8, during which the user needs to manually pull the silicone strip 27, under the extensibility of the C-shaped silicone strip 26, the silicone strip 27 will rotate around the fixed point of the C-shaped silicone strip 26 and the heat absorption bag 21, when the silicone strip 27 is inserted into the groove 32, the adhesive strip 29 on the lower side of the silicone strip 27 will adhere to the bottom wall of the groove 32, and at the same time, the protrusion 28 on the silicone strip 27 adheres to the lower side of the heat absorption bag 21, and the adhesion between the protrusion 28 and the lower side of the heat absorption bag 21 is located on the lower side of the top plate 25, then the second release film 7 on the adhesive surface of the waterproof patch 6 is torn off and wrapped around the patient's limb and adhered to the patient's skin to prevent leakage of exudate and external contamination, and maintain the sealing of the cold compress and hemostasis environment, wherein the permeable membrane 33 is a medical grade polyurethane (PU) hydrophilic membrane, after the wound blood permeates through the permeable membrane 33 and contacts the calcium alginate powder particles 36 (the permeable membrane 33 is a medical grade polyurethane hydrophilic membrane), the Na + in the blood plasma exchanges with Ca 2+ in the calcium alginate powder particles 36, breaks the cross-linked structure, and the molecular chain relaxes, and the hydrophilic groups (-COO -, -OH) quickly absorbs water, expands to 20-30 times of the dry weight, forms a gel to fill and squeeze the wound gap (calcium alginate powder particles 36 expand to form a gel in the hemostatic bag 31, and then the volume expansion of the gel pushes the permeable membrane 33 to adhere to the wound, the gel is squeezed into the wound gap, and the gel effectively fills the wound), at the same time, the silicone strip 27 is extruded through the bottom wall of the groove 32 of the hemostatic bag 31, the silicone strip 27 drives the protrusion 28 to be forced to move upward, and when the protrusion 28 moves upward, it extrudes the bottom wall of the heat-absorbing bag 21, the top plate 25 pushes the weakened groove 24 of the TPU film 23 upward after being stressed, causing the TPU film 23 to break, causing the ammonium chloride particles 22 to mix with pure water to start cold compress, and the cold quantity passes through the gauze bag 8 to act on the wound area, contracts blood vessels and reduces bleeding, and completes cold compress hemostasis.

[0019] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A self-triggering cold compress hemostatic patch, characterized in that: It comprises a bandage (1), a heat-absorbing component (2) and a hemostatic component (3). The bandage (1) is provided with a gauze bag (8) on its lower side. The heat-absorbing component (2) comprises a heat-absorbing bag (21), a TPU film (23), a weakened groove (24) and a top plate (25), the heat-absorbing bag (21) is arranged on the inner upper end of the gauze bag (8), the TPU film (23) is arranged inside the heat-absorbing bag (21), the middle part of the TPU film (23) is provided with the weakened groove (24), the top plate (25) is arranged on the bottom wall of the heat-absorbing bag (21) and is arranged in cooperation with the weakened groove (24), the reaction particles are arranged between the bottom wall of the heat-absorbing bag (21) and the TPU film (23), and the upper side of the TPU film (23) and the top wall of the heat-absorbing bag (21) are filled with pure water. The hemostatic component (3) comprises a hemostatic bag (31), the hemostatic bag (31) is arranged on the inner lower end of the gauze bag (8), the inside of the hemostatic bag (31) is filled with hemostatic particles, the lower end of the hemostatic bag (31) is exposed to the lower end of the gauze bag (8), and the upper side of the hemostatic bag (31) is in contact with the lower side of the heat-absorbing bag (21).

2. The self-triggering cold compress and hemostatic patch according to claim 1, characterized in that: The heat-absorbing component (2) further comprises a C-shaped silica gel strip (26), a silica gel strip (27) and a protrusion (28), the C-shaped silica gel strip (26) is arranged on the front side of the heat-absorbing bag, the front end upper side of the C-shaped silica gel strip (26) is provided with the silica gel strip (27), the upper side of the silica gel strip (27) is provided with the protrusion (28), and the front side wall of the gauze bag (8) is provided with an avoiding opening (9) corresponding to the C-shaped silica gel strip (26).

3. A self-triggering cold compress and hemostatic patch according to claim 2, characterized in that: The heat-absorbing component (2) further comprises a viscose strip (29), the viscose strip (29) is arranged on the lower side of the silica gel strip (27), and the silica gel strip (27) is bonded to the upper side of the bandage (1).

4. The self-triggering cold compress and hemostatic patch according to claim 2, characterized in that: The hemostatic component (3) further comprises a groove (32), the upper end of the hemostatic bag (31) is provided with the groove (32), the silica gel strip (27) is arranged in cooperation with the groove (32), and the viscose strip (29) is arranged in cooperation with the bottom wall of the groove (32).

5. The self-triggering cold compress and hemostatic patch according to claim 1, characterized in that: The hemostatic component (3) further comprises calcium alginate powder particles (36), and the hemostatic particles are the calcium alginate powder particles (36).

6. A self-triggering cold compress and hemostatic patch according to claim 5, characterized in that: The hemostatic component (3) further comprises a permeable membrane (33), a medical viscose strip (34) and a third release film (35), the middle part of the bottom wall of the hemostatic bag (31) is provided with the permeable membrane (33), the lower side of the hemostatic bag (31) is provided with the medical viscose strip (34), the lower side of the medical viscose strip (34) is bonded with the third release film (35), and the permeable membrane (33) is used in cooperation with the calcium alginate powder particles (36).

7. The self-triggering cold compress and hemostatic patch according to claim 1, characterized in that: The heat-absorbing component (2) further comprises ammonium chloride particles (22), the reaction particles are the ammonium chloride particles (22), and the ammonium chloride particles (22) are used in cooperation with pure water.

8. The self-triggering cold compress and hemostatic patch according to claim 1, characterized in that: The upper side left end of the bandage (1) and the lower side right end of the bandage (1) are both provided with a bonding sheet (5), and the bonding surface of the bonding sheet (5) is bonded with a first release film (4).

9. The self-triggering cold compress and hemostatic patch according to claim 1, characterized in that: The waterproof sticker (6) is provided at the right end of the upper side of the bandage (1), and the sticking surface of the waterproof sticker (6) is adhered with the second release film (7).

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