Medicine pushing mechanism and injection pen

Abstract

The utility model belongs to the technical field of injection pens, and particularly relates to a medicine pushing mechanism and an injection pen, and the medicine pushing mechanism comprises a supporting ring integrally arranged in a pen body; the installation ring is inserted into the pen body, the end of the installation ring abuts against the supporting ring, a sound production cavity is formed in the abutting end of the installation ring, and sound production teeth are arranged on the side wall of the sound production cavity in an array mode; one end of the feedback connecting rod penetrates through the supporting ring and extends into the sound production cavity, the extending end of the feedback connecting rod is provided with a percussion part, and the percussion part is suitable for striking the sound production teeth to produce sound when the feedback connecting rod rotates; according to the medicine pushing mechanism and the injection pen, after the supporting ring is integrally arranged in the pen body and the feedback connecting rod is inserted into the supporting ring, the mounting ring is pressed into the pen body to limit the feedback connecting rod, and meanwhile, the percussion part of the feedback connecting rod is matched with the sound production teeth to produce sound, so that the overall mechanism of the medicine pushing mechanism is simplified, and the production convenience is improved.

Description

Technical Field

[0001] This utility model belongs to the field of injection pen technology, specifically relating to a drug dispensing mechanism and an injection pen. Background Technology

[0002] An injection pen is a medical device that automatically injects liquid medication from a pre-filled syringe into a patient's body, meeting the user's need for self-medication. Existing injection pens typically include a pen body and a dosage adjustment mechanism and a drug delivery mechanism installed within the pen body. The dosage adjustment mechanism and the drug delivery mechanism need to emit sound when they are working. The drug delivery mechanism usually includes a feedback link, which needs to be installed in a separate sound-generating component before the sound-generating component is installed into the pen body. The sound-generating component often uses a separate fastener to install the feedback link so that the firing part on the feedback link cooperates with the sound-generating teeth in the sound-generating component to produce sound. This results in a complex overall structure of the drug delivery mechanism and greater manufacturing difficulty.

[0003] Therefore, how to avoid the overall complexity of the drug delivery mechanism is a technical problem that urgently needs to be solved in this field.

[0004] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content

[0005] This disclosure provides at least one drug delivery mechanism and injection pen.

[0006] In a first aspect, embodiments of this disclosure provide a drug-push mechanism, comprising: a support ring integrally disposed within a pen body; a mounting ring inserted into the pen body, the end of the mounting ring abutting against the support ring, the abutting end of the mounting ring being provided with a sound-generating cavity, the sidewall of the sound-generating cavity being arrayed with sound-generating teeth; and a feedback link, one end of the feedback link passing through the support ring and extending into the sound-generating cavity, the extended end of the feedback link being provided with a firing part, the firing part being adapted to strike the sound-generating teeth to generate sound when the feedback link rotates.

[0007] In one alternative embodiment, the sidewall of the support ring is connected to the pen body via a process block, and a rib is integrally provided on the top of the process block, the rib connecting the support ring and the inner wall of the pen body.

[0008] In one optional embodiment, the sidewall of the mounting ring is provided with a plurality of snap-fit ​​blocks, the snap-fit ​​blocks being adapted to snap into the snap-fit ​​notch of the pen body.

[0009] In an alternative embodiment, the side wall of the mounting ring is provided with a plurality of positioning grooves, which extend through the insertion end of the mounting ring, and which are matched with the positioning blocks of the pen body to position the circumferential position of the mounting ring; and the edge of the through end of the positioning grooves is provided with a guide bevel.

[0010] In an alternative embodiment, the bottom of the mounting ring is provided with an alignment block, which is adapted to align the notch of the cartridge to position the circumferential position of the cartridge.

[0011] In an alternative embodiment, the firing part comprises a firing spring and a firing block; one end of the firing spring is connected to the side wall of the feedback link, and the other end extends clockwise along the axis of the feedback link; the firing block is arranged at the extended end of the firing spring; when the feedback link rotates counterclockwise, the firing block is pushed by the sounding tooth to deform the firing spring, and when the protrusion of the sounding tooth rotates past the firing block, the firing spring resets to drive the firing block to hit the sounding tooth to produce sound.

[0012] In an alternative embodiment, an axially extending waist-shaped hole is formed in the feedback link, and a medicine pushing screw is inserted into the waist-shaped hole; the side wall of the medicine pushing screw is provided with a flat position to follow the rotation of the feedback link; and the end of the medicine pushing screw is threadedly connected with the inner hole of the mounting ring, so that when the feedback link rotates counterclockwise, the medicine pushing screw extends out of the mounting ring to push the medicine bottle in the cartridge to deliver medicine.

[0013] In an alternative embodiment, the outer side of the medicine pushing screw is sleeved with a transmission link, the end of the transmission link extends out of the pen body, the side wall of the transmission link is provided with a linkage, which is adapted to slide downward when the extended end of the transmission link is pressed, and to follow the counterclockwise rotation of the dose adjusting mechanism; and the side wall of the feedback link is provided with a limiting groove, and the inner wall of the transmission link is provided with a limiting block, which is clamped in the limiting groove to drive the feedback link to rotate counterclockwise by the transmission link.

[0014] In an alternative embodiment, the side wall of the feedback link is provided with a bearing block, which is at the same circumferential position as the limiting groove; when the dose adjusting mechanism rotates clockwise to drive the transmission link to rise, the limiting block is limited by the bearing block to control the rotation stroke of the dose adjusting mechanism.

[0015] In a second aspect, the disclosure also provides an injection pen, comprising: a pen body; a cartridge inserted into the front end of the pen body; a dose adjusting mechanism comprising a scale barrel, which is threadedly connected to the tail end of the pen body; the above-mentioned medicine pushing mechanism, and the feedback link inserted into the scale barrel.

[0016] The utility model discloses beneficial effect is, the push medicine mechanism and injection pen, through the support ring integral setting in the pen body, feedback connecting rod is inserted to the support ring after, in the pen body pressure installation ring, with the feedback connecting rod's knock -out portion and the sound tooth cooperation sound making of making sound tooth, the mechanism of push medicine mechanism whole has been simplified, and the convenience of production has been improved.

[0017] Other features and advantages of the present utility model will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present utility model. The objects and other advantages of the present utility model will be realized and attained by means of the structures particularly pointed out in the description and claims of the present utility model.

[0018] In order to make the above-mentioned purpose, feature and advantage of the utility model more obvious and easy to understand, the text will be preferred embodiment, and cooperate with the attached drawing, make detailed description as follows. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will be briefly introduced the drawing needed to be used in the specific embodiment or prior art description, obviously, the drawing in the following description is some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0020] Fig. 1 It is a perspective view of an injection pen provided by the embodiment of the present disclosure;

[0021] Fig. 2 It is a sectional view of an injection pen provided by the embodiment of the present disclosure;

[0022] Fig. 3 It is an explosion view of a push medicine mechanism and injection pen provided by the embodiment of the present disclosure.

[0023] In the drawing:

[0024] 1, support ring;11, process block;12, muscle block;

[0025] 2, installation ring;21, sound cavity;22, sound tooth;23, clamping block;24, positioning groove;24a, guide bevel;25, alignment block;

[0026] 3, feedback connecting rod;31, knock -out portion;31a, knock -out sheet;31b, knock -out block;32, waist -shaped hole;33, resistance block;34, limiting slot;

[0027] 4, push medicine screw;

[0028] 5, transmission connecting rod;51, linkage;52, limiting block;

[0029] 6, pen body; 61, clamping notch; 62, positioning block;

[0030] 7, medicine cartridge;

[0031] 8, dose adjusting mechanism; 81, scale barrel; 82, linkage tooth. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] In this document, when it is mentioned that a first component is located on a second component, it can mean that the first component can be formed directly on the second component, or a third component can be interposed between the first component and the second component. In addition, in the drawings, in order to effectively describe the technical content, the thickness of the components can be exaggerated or reduced.

[0034] The terminology used herein is for the purpose of describing particular example configurations only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has", "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are discussed or illustrated, unless specifically identified as an order of performance. Additional or alternative steps can be employed.

[0035] As used herein, the phrases "in an embodiment", "according to an embodiment", "in some embodiments", and the like generally mean the particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of the present disclosure. Therefore, the particular feature, structure, or characteristic can be included in more than one embodiment of the present disclosure, so that these phrases do not necessarily refer to the same embodiment. As used herein, the terms "for example", "e.g.", "for instance", and the like, are used to indicate one or more of the examples that follow, that is, are used to indicate one or more examples that are used to illustrate a particular feature, structure, or characteristic. Any embodiment, aspect or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments, aspects or designs. Rather, the use of the terms "example" and "exemplary" is intended to present concepts in a concrete manner. In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application can be practiced without these specific details. In other instances, well-known methods, structures and techniques have not been described in detail in order to avoid obscuring the understanding of this description.

[0036] It is found through research that the sound generating assembly in the prior art is usually a pair of buckling members buckled on the feedback connecting rod. The sound generating assembly is installed in the pen body, the mechanism is complex, and the production is difficult, which is a problem and purpose to be solved by the utility model.

[0037] Based on the above research, the push medicine mechanism and injection pen are provided. The support ring is integrally arranged in the pen body. The installation ring is only inserted to complete the installation of the feedback connecting rod. The sound generating tooth is arranged in the installation ring to realize sound generation.

[0038] The above-mentioned defects are the results of the utility model person after practice and careful research. Therefore, the discovery process of the above-mentioned problems and the solutions provided by the utility model for the above-mentioned problems should be the contribution of the utility model person to the utility model in the process of the utility model.

[0039] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0040] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the embodiments and features in the embodiments described below can be combined with each other.

[0041] Referring to Figs. 1-3 , the push medicine mechanism is shown. The support ring 1 is integrally arranged in the pen body 6. The installation ring 2 is inserted into the pen body 6. The end of the installation ring 2 abuts against the support ring 1. The abutting end of the installation ring 2 is provided with a sound generating cavity 21. The side wall of the sound generating cavity 21 is provided with an array of sound generating teeth 22. The feedback connecting rod 3 has one end penetrating through the support ring 1 and extending into the sound generating cavity 21. The extending end of the feedback connecting rod 3 is provided with a firing portion 31. The firing portion 31 is adapted to hit the sound generating teeth 22 to generate sound when the feedback connecting rod 3 rotates. In short, the push medicine mechanism and injection pen integrally arrange the support ring 1 in the pen body 6. After the feedback connecting rod 3 is inserted into the support ring 1, the installation ring 2 is pressed into the pen body 6 to limit the feedback connecting rod 3 and make the firing portion 31 of the feedback connecting rod 3 cooperate with the sound generating teeth 22 to generate sound. The mechanism of the whole push medicine mechanism is simplified, and the production convenience is improved.

[0042] Referring to Figs. 2-3In some embodiments, the side wall of the support ring 1 is connected with the pen body 6 through a process block 11, the top of the process block 11 is integrally provided with a rib block 12, the rib block 12 connects the support ring 1 with the inner wall of the pen body 6; in short, the support ring 1 is integrally injection molded with the pen body 6, the side wall of the support ring 1 is connected with the pen body 6 through the process block 11, and the top of the process block 11 is provided with the rib block 12 to improve the strength of the process block 11.

[0043] Referring to Figs. 2-3 In some embodiments, the side wall of the installation ring 2 is provided with a plurality of clamping blocks 23, the clamping blocks 23 are adapted to be clamped in the clamping notches 61 of the pen body 6; in short, the clamping blocks 23 are clamped in the clamping notches 61 to complete the connection of the installation ring 2 with the pen body 6.

[0044] Referring to Figs. 2-3 In some embodiments, the side wall of the installation ring 2 is provided with a plurality of positioning grooves 24, the positioning grooves 24 penetrate the insertion end of the installation ring 2, the positioning grooves 24 cooperate with the positioning blocks 62 of the pen body 6 to position the circumferential position of the installation ring 2, and the edge of the penetrating end of the positioning groove 24 is provided with a guide bevel 24a; in short, when the installation ring 2 is inserted, the guide bevel 24a is adapted to guide the clamping of the positioning groove 24 with the positioning block 62, so as to ensure that the clamping block 23 is correctly clamped in the clamping notch 61.

[0045] Referring to Figs. 2-3 In some embodiments, the bottom of the installation ring 2 is provided with an alignment block 25, the alignment block 25 is adapted to align the notch of the cartridge 7 to position the circumferential position of the cartridge 7; in short, the cartridge 7 is inserted into the tail end of the pen body 6, and the notch of the cartridge 7 is clamped with the alignment block 25 to position the circumferential position of the cartridge 7.

[0046] Referring to Figs. 1-3 In some embodiments, the firing part 31 includes a firing spring 31a and a firing block 31b; one end of the firing spring 31a is connected to the side wall of the feedback connecting rod 3, the other end extends clockwise along the axis of the feedback connecting rod 3, and the firing block 31b is arranged at the extended end of the firing spring 31a; wherein, when the feedback connecting rod 3 rotates counterclockwise, the firing block 31b is pushed by the sound emitting tooth 22 to deform the firing spring 31a, and when the protrusion of the sound emitting tooth 22 rotates past the firing block 31b, the firing spring 31a resets to drive the firing block 31b to hit the sound emitting tooth 22 to emit sound; in short, when the feedback connecting rod 3 rotates counterclockwise, the firing block 31b hits the sound emitting tooth 22 to emit sound.

[0047] Referring to Figs. 1-3In some embodiments, the feedback link 3 is provided with an axial waist-shaped hole 32, and a medicine pushing screw 4 is inserted into the waist-shaped hole 32, and the side wall of the medicine pushing screw 4 is provided with a flat position to follow the rotation of the feedback link 3, and the end of the medicine pushing screw 4 is screwed into the inner hole of the mounting ring 2 to make the medicine pushing screw 4 extend out of the mounting ring 2 to push the medicine bottle in the medicine cartridge 7 when the feedback link 3 rotates counterclockwise. In short, when the feedback link 3 rotates counterclockwise, the medicine pushing screw 4 rotates synchronously, and the medicine pushing screw 4 extends into the medicine cartridge 7 under the guidance of the thread of the inner hole of the mounting ring 2 to complete the medicine delivery.

[0048] Referring to Figs. 1-3 In some embodiments, the outer side of the medicine pushing screw 4 is provided with a transmission link 5, the end of the transmission link 5 extends out of the pen body 6, the side wall of the transmission link 5 is provided with a linkage 51, the linkage 51 is adapted to slide downward when the extended end of the transmission link 5 is pressed, and follow the counterclockwise rotation of the dose adjusting mechanism 8, and the side wall of the feedback link 3 is provided with a limiting groove 34, the inner wall of the transmission link 5 is provided with a limiting block 52, the limiting block 52 is clamped in the limiting groove 34 to make the transmission link 5 drive the feedback link 3 to rotate counterclockwise.

[0049] Referring to Figs. 1-3 In some embodiments, the side wall of the feedback link 3 is provided with a bearing block 33, and the circumferential position of the bearing block 33 is the same as that of the limiting groove 34, wherein when the dose adjusting mechanism 8 rotates clockwise to drive the transmission link 5 to rise, the limiting block 52 is limited by the bearing block 33 to control the rotation stroke of the dose adjusting mechanism 8; in short, when the dose adjusting mechanism 8 rotates clockwise to drive the transmission link 5 to slide upward to the position where the limiting block 52 contacts the bearing block 33, the dose adjusting mechanism 8 cannot continue to rotate, thereby controlling the rotation stroke, i.e. the maximum dose of single injection.

[0050] Referring to Figs. 1-3 Figs. 1-3 In the second aspect, the disclosure also provides an injection pen, comprising: a pen body 6; a medicine cartridge 7 inserted into the front end of the pen body 6; a dose adjusting mechanism 8 comprising a scale cylinder 81 screwed into the tail end of the pen body 6; the above-mentioned medicine pushing mechanism, the feedback link 3 is inserted into the scale cylinder 81; in short, the scale cylinder 81 is screwed into the tail end of the pen body 6, and when the scale cylinder 81 rotates clockwise, it rotates out of the pen body 6 to drive the transmission link 5 to rise; when the extended end of the transmission link 5 is pressed, the linkage 51 is engaged with the linkage tooth 82 to make the scale cylinder 81 rotate counterclockwise, and drive the transmission link 5 to rotate counterclockwise, and the transmission link 5 drives the feedback link 3 to rotate counterclockwise to make the medicine pushing screw 4 complete the medicine delivery.

[0051] In the description of the embodiments of the utility model, unless otherwise clear and definite, the terms "mount", "connect", "connection" should be understood in broad sense, for example, it can be fixed connection, also can be detachable connection, or integrally connected, it can be mechanical connection, also can be electrical connection, it can be direct connection, also can be indirect connection through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0052] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, terms such as "first", "second" and other numerical terms are used in this document, unless otherwise indicated in this document. Therefore, the above-discussed first element, component, region, layer or section can be referred to as the second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0053] Spatially relative terms, such as "inner", "outer", "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms can be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0054] In the above discussion, unless otherwise stated, the terms "about", "approximately", "substantially" and the like, when used in describing numerical values, mean a + / -10% variation of the value.

[0055] With the above ideal embodiments according to the utility model as the inspiration, through the above description, relevant staff can definitely make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the contents in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A medicine ejecting mechanism characterized by comprising: The utility model relates to a push medicine mechanism, comprising: a support ring (1) integrally arranged in a pen body (6); a mounting ring (2) inserted into the pen body (6), an end of the mounting ring (2) abutting against the support ring (1), the abutting end of the mounting ring (2) being provided with a sound cavity (21), the side wall of the sound cavity (21) being provided with sound teeth (22); a feedback connecting rod (3), one end of the feedback connecting rod (3) penetrating through the support ring (1) and extending into the sound cavity (21), the extending end of the feedback connecting rod (3) being provided with a firing part (31), the firing part (31) being adapted to hit the sound teeth (22) to produce sound when the feedback connecting rod (3) rotates.

2. The push medicine mechanism according to claim 1, wherein the side wall of the support ring (1) is connected to the pen body (6) through a process block (11), the top of the process block (11) being integrally provided with a rib block (12), the rib block (12) connecting the support ring (1) and the inner wall of the pen body (6).

3. The push medicine mechanism according to claim 1, wherein the side wall of the mounting ring (2) is provided with a plurality of clamping blocks (23), the clamping blocks (23) being adapted to be clamped into clamping notches (61) of the pen body (6).

4. The push medicine mechanism according to claim 3, wherein the side wall of the mounting ring (2) is provided with a plurality of positioning grooves (24), the positioning grooves (24) penetrating through the insertion end of the mounting ring (2), the positioning grooves (24) cooperating with positioning blocks (62) of the pen body (6) to position the circumferential position of the mounting ring (2), and the edge of the penetrating end of the positioning groove (24) is provided with a guide inclined angle (24a).

5. The push medicine mechanism according to claim 4, wherein the bottom of the mounting ring (2) is provided with an alignment block (25), the alignment block (25) being adapted to align the notches of a medicine cartridge (7) to position the circumferential position of the medicine cartridge (7).

6. The push medicine mechanism according to claim 1, wherein the firing part (31) comprises a firing spring (31a) and a firing block (31b); one end of the firing spring (31a) is connected to the side wall of the feedback connecting rod (3), the other end extending along the axis of the feedback connecting rod (3) in a clockwise direction, the firing block (31b) being arranged at the extending end of the firing spring (31a), wherein when the feedback connecting rod (3) rotates counterclockwise, the firing block (31b) is pushed by the sound teeth (22) to deform the firing spring (31a), and when the protrusion of the sound teeth (22) rotates past the firing block (31b), the firing spring (31a) resets to drive the firing block (31b) to hit the sound teeth (22) to produce sound.

7. The push medicine mechanism according to claim 1, wherein a waist-shaped hole (32) is formed in the axis of the feedback connecting rod (3), a medicine pushing screw (4) being inserted into the waist-shaped hole (32), the side wall of the medicine pushing screw (4) being provided with a flat position to follow the rotation of the feedback connecting rod (3), and The end of the medicine pushing screw rod (4) is threadedly connected with the inner hole of the mounting ring (2), so that the medicine pushing screw rod (4) extends out of the mounting ring (2) to push the medicine bottle in the medicine cartridge (7) when the feedback connecting rod (3) rotates counterclockwise.

8. The medicine pushing mechanism according to claim 7, characterized in that, The outer side of the medicine pushing screw rod (4) is sleeved with a transmission connecting rod (5), the end of the transmission connecting rod (5) extends out of the pen body (6), the side wall of the transmission connecting rod (5) is provided with a linkage (51), the linkage (51) is adapted to slide downward when the extended end of the transmission connecting rod (5) is pressed, and the transmission connecting rod (5) rotates counterclockwise along with the dose adjusting mechanism (8), and; The side wall of the feedback connecting rod (3) is provided with a limiting groove (34), the inner wall of the transmission connecting rod (5) is provided with a limiting block (52), the limiting block (52) is clamped in the limiting groove (34), so that the transmission connecting rod (5) drives the feedback connecting rod (3) to rotate counterclockwise.

9. The medicine pushing mechanism according to claim 8, characterized in that, The side wall of the feedback connecting rod (3) is provided with a bearing block (33), the bearing block (33) is located at the same circumferential position as the limiting groove (34), wherein; When the dose adjusting mechanism (8) is rotated counterclockwise, the limiting block (52) is limited by the bearing block (33) when the transmission connecting rod (5) is lifted, so as to control the rotation stroke of the dose adjusting mechanism (8).

10. An injection pen characterized in that Including: The pen body (6); The medicine cartridge (7) is inserted into the front end of the pen body (6); The dose adjusting mechanism (8) includes a scale cylinder (81), the scale cylinder (81) is threadedly connected to the tail end of the pen body (6); The medicine pushing mechanism according to any one of claims 1-9, the feedback connecting rod (3) is inserted into the scale cylinder (81).

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