CN210447846U - Device is paintd to ointment for dermatology - Google Patents
Device is paintd to ointment for dermatology Download PDFInfo
- Publication number
- CN210447846U CN210447846U CN201920777283.9U CN201920777283U CN210447846U CN 210447846 U CN210447846 U CN 210447846U CN 201920777283 U CN201920777283 U CN 201920777283U CN 210447846 U CN210447846 U CN 210447846U
- Authority
- CN
- China
- Prior art keywords
- ball
- ointment
- sleeve
- piston cylinder
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Massaging Devices (AREA)
Abstract
The utility model belongs to the technical field of medical tools for dermatology, and relates to a ointment smearing device for dermatology, a conical cavity matched with a sleeve and a smearing head is fixedly arranged between the front end sleeve of a piston cylinder and the smearing head, an extrusion hole communicated with the piston cylinder is arranged at the rear end of the sleeve, a valve ball matched with the extrusion hole is arranged in the extrusion hole, a boss for limiting the valve ball to move towards the piston cylinder is fixedly arranged on the inner part of the sleeve outside the extrusion hole, a supporting baffle is fixedly arranged at one end of the conical cavity close to the sleeve, through holes are uniformly arranged on the supporting baffle, a pressure spring is connected between the valve ball and the supporting baffle, a branch passage and a ball passage for facilitating the outflow of ointment are arranged on the smearing head, a massage ball is arranged in the ball passage, a supporting column fixed on the smearing head and a spring connected with the massage ball and the supporting column are arranged in the, solves the problems of cross infection among patients and secondary pollution of residual ointment existing in the manual ointment application in the prior art.
Description
Technical Field
The utility model belongs to the technical field of dermatology medical instrument, a device is paintd to ointment for dermatology is related to.
Background
In the process of treating skin diseases, the external drug therapy can directly apply the drug to the focus of a patient, so that the treatment effect is very obvious and is a main means for treating the skin diseases; however, most of the external drugs are generally in the form of paste, gel or liquid packaged by flexible tubes, and need to be squeezed out from the package for coating when in use, so that in the coating process, after the drug outlet is contacted with fingers of an operator or directly contacted with the focus part of a patient, the drug outlet of the drug and the drug package can be secondarily polluted, and cross infection is easily generated with other patients when the external drugs are reused in the later period, which is not beneficial to treatment and thorough rehabilitation of diseases.
Meanwhile, as the dosage of the medicines depends on the state of illness, the medicines are generally not used up at one time, and the rest medicines need to be stored in a sealed way for later use; in the process of storage, on one hand, the problem of secondary pollution exists, and on the other hand, after the medicine is stored, the medicine can be extruded out due to the influence of various external factors such as heavy pressure, temperature and the like, so that the waste of medical resources is caused.
In addition, the ointment is extremely convenient to apply for treatment, so that the common skin diseases do not need hospitalization, and the patients can apply the ointment according to the advice; but different from professional medical environments, the medicine is randomly stored when the medicine is used at home, and any person can contact with the medicine, so that disease infection is easily caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a device is paintd to ointment for dermatology in order to solve among the prior art artifical ointment of paining and to have cross infection between the patient, and remaining ointment has secondary pollution's problem, provides a device is paintd to ointment for dermatology.
In order to achieve the above purpose, the utility model provides a device is paintd to ointment for dermatological department, including a piston barrel, arrange the piston in the piston barrel, the piston rod of fixed mounting in the piston rear end, the front end of piston barrel is fixed with sleeve and daubing the head in proper order, fixed mounting has the toper cavity with sleeve and daubing the head cooperation use between sleeve and the daubing the head, the sleeve rear end is seted up and is communicated with the piston barrel and extrude the hole, extrude and place the valve ball that matches with extruding the hole in the hole, fixed mounting has the boss of restriction valve ball to the piston barrel on the sleeve inner wall outside extruding the hole, one end fixed mounting that the toper cavity is close to the sleeve has a supporting diaphragm, evenly set up a plurality of through-holes that are convenient for the ointment to flow out on the supporting diaphragm, be connected with the pressure spring between valve ball and the supporting diaphragm, evenly set up a plurality of tributary passageways and, the ball channel is internally provided with a massage ball, a support column fixed on the smearing head and a spring connected with the massage ball and the support column, and the diameter of the massage ball is matched with the ball channel.
The beneficial effect of this basic scheme lies in: the piston cylinder is used for containing ointment to be extruded, the valve ball in the sleeve is used in cooperation with the extrusion hole to control the dosage of the ointment flowing into the conical cavity and the smearing head from the piston cylinder, and the branch channel on the smearing head is convenient for the ointment in the conical cavity to be uniformly extruded from the front end of the smearing head and then coated on the skin surface of a patient. The massage ball in the ball channel on the smearing head is used for massaging the surface of the skin of the patient coated with the ointment, so that the absorption of the patient on the ointment is enhanced.
Furthermore, the inner diameter of one end of the boss close to the piston cylinder is smaller than that of one side close to the conical cavity. Has the advantages that: the boss is less than the internal diameter that is close to one side of toper cavity near the one end internal diameter of piston cylinder, can make the extrusion hole between the boss be the toper form, prevents that the ball valve from falling into in the piston cylinder.
Furthermore, the front end of the smearing head is detachably provided with a cover body, and the cover body is connected with the smearing head in a clamping mode or a threaded mode. Has the advantages that: the cover body can play the roles of protecting the massage head and preventing the front end of the smearing head from evaporating and drying.
Further, the smearing head is in a solid cylinder shape, the ball channels are distributed in a mode that the smearing head radiates outwards along the center of the smearing head, branch channels are indirectly distributed between adjacent ball channels, the rear ends of the ball channels are supporting columns, the diameters of the supporting columns are smaller than those of the ball channels, ointment in the conical cavities flows out along the ball channels along gaps outside the supporting columns, the front ends of the ball channels are inward arc-shaped, and the massage balls are prevented from sliding out of the front ends of the ball channels. Has the advantages that: the ball passageway front end is the inward arc form can prevent the massage ball roll-off of spring front end, and the spring between massage ball and the support column also plays the effect of preventing the massage ball roll-off and reinforcing massage effect.
Furthermore, the supporting partition plate is conical, and the through holes uniformly penetrate through the supporting partition plate. Has the advantages that: the conical supporting partition plate has a good matching effect with the conical cavity, and the through holes are uniformly distributed on the supporting partition plate in a penetrating manner, so that ointment entering the conical cavity can be distributed more uniformly.
Furthermore, the front end of the piston is a convex shape matched with the shape of the front end of the piston cylinder. Has the advantages that: the front end of the piston is matched with the front end of the piston cylinder in shape, so that ointment in the piston cylinder can be extruded more thoroughly, and the utilization rate of the ointment is improved.
Furthermore, a pushing handle with an anti-skidding sleeve is fixedly arranged at the free end of the piston rod. Has the advantages that: the push handle with the anti-slip sleeve can prevent the hand from slipping off the piston rod when the medical care personnel use the push handle.
The beneficial effects of the utility model reside in that:
1. the utility model discloses a device is paintd to ointment for dermatological department, it is in the same place to paint head and piston cylinder through muffjoint, the effect that can play opening immediately and close ointment circulation passageway in the piston cylinder is used with the cooperation of valve ball in the sleeve to the pressure spring, when needs use the ointment, it moves forward to drive the piston through the piston rod, release the ointment in the piston cylinder to painting the head, when need not use the ointment, move the piston rod backward, the pressure spring drives the valve ball and moves backward simultaneously, save the extrusion hole shutoff, the waste of ointment has been reduced, the device is paintd to the ointment of piston cylinder shape can effectively prevent accidental extrusion simultaneously, safety in utilization has been improved.
2. The utility model discloses a device is paintd to ointment for dermatological department, the front end interval of smearing the head sets up the tributary passageway and the ball passageway that the ointment of being convenient for flowed, and the ointment in the conical cavity of can being convenient for of tributary passageway evenly extrudes and then evenly paints on patient's skin, and the massage ball in the ball passageway plays the effect of massaging patient's skin simultaneously, improves the absorbance of ointment, has saved the loaded down with trivial details procedure that medical personnel's manual work was paintd simultaneously, has also reduced the cross infection between the patient.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of the dermatological ointment application device of the present invention;
fig. 2 is a schematic structural view of the applying head of the ointment applying device for dermatology of the present invention.
Reference numerals: the device comprises a piston cylinder 1, a piston 2, a piston rod 3, a push handle 4, a boss 5, a valve ball 6, a pressure spring 7, a support clapboard 8, a through hole 9, a conical cavity 10, a support column 11, a branch channel 12, a spring 13, a massage ball 14, a cover body 15, a ball channel 16 and a smearing head 17.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The dermatological ointment applying device shown in fig. 1-2 comprises a piston cylinder 1, a piston 2 arranged in the piston cylinder 1, and a piston rod 3 fixedly arranged at the rear end of the piston 2, wherein the front end of the piston 2 is in a convex shape matched with the front end of the piston cylinder 1. The front end of the piston 2 is matched with the front end of the piston cylinder 1 in shape, so that ointment in the piston cylinder 1 can be extruded more thoroughly, and the utilization rate of the ointment is improved. The front end of the piston cylinder 1 is sequentially and fixedly provided with a sleeve and a smearing head 17, a conical cavity 10 matched with the sleeve and the smearing head 17 for use is fixedly arranged between the sleeve and the smearing head 17, the front end of the smearing head 17 is detachably provided with a cover body 15, and the cover body 15 is connected with the smearing head 17 in a clamping mode or a threaded mode. The cover body 15 can protect the massage head and prevent the front end of the smearing head 17 from evaporating and drying. The free end of the piston rod 3 is fixedly provided with a push handle 4 with an anti-slip sleeve. The push handle 4 with the anti-slip sleeve can prevent hands from slipping off the piston rod 3 when the medical care personnel use the medical care personnel.
The rear end of the sleeve is provided with an extrusion hole communicated with the piston cylinder 1, a valve ball 6 matched with the extrusion hole is placed in the extrusion hole, a boss 5 for limiting the valve ball 6 to move towards the piston cylinder 1 is fixedly installed on the inner portion of the sleeve outside the extrusion hole, and the inner diameter of one end, close to the piston cylinder 1, of the boss 5 is smaller than that of one side, close to the conical cavity 10. The inner diameter of one end of the boss 5 close to the piston cylinder 1 is smaller than the inner diameter of one side close to the conical cavity 10, so that the extrusion hole between the bosses 5 is in a conical shape, and the ball valve is prevented from falling into the piston cylinder 1.
One end of the conical cavity 10 close to the sleeve is fixedly provided with a supporting clapboard 8, the supporting clapboard 8 is conical, and the through holes 9 are uniformly distributed on the supporting clapboard 8 in a penetrating way. The conical supporting partition plate 8 and the conical cavity 10 are good in matching effect, and the through holes 9 are uniformly distributed on the supporting partition plate 8 in a penetrating mode, so that ointment entering the conical cavity 10 can be distributed more uniformly. A pressure spring 7 is connected between the valve ball 6 and the supporting clapboard 8, a plurality of branch passages 12 and ball passages 16 which are convenient for the ointment to flow out are uniformly arranged on the smearing head 17, a massage ball 14, a supporting column 11 fixed on the smearing head 17 and a spring 13 connected with the massage ball 14 and the supporting column 11 are arranged in the ball passages 16, and the diameter of the massage ball 14 is matched with that of the ball passages 16. The smearing head is in a solid cylinder shape, the ball channels 16 are distributed in a mode of radiating outwards along the central position of the smearing head 17, the branch channels 12 are indirectly distributed between the adjacent ball channels 16, the rear ends of the ball channels 16 are supporting columns 11, the diameters of the supporting columns 11 are smaller than those of the ball channels 16, ointment in the conical cavities 10 flows out along gaps outside the supporting columns 11 along the ball channels 16, and the front ends of the ball channels 16 are in inward arc shapes to prevent the massage balls from sliding out of the front ends of the ball channels 16. The inward arc shape of the front end of the ball channel 16 can prevent the massage ball 14 at the front end of the spring 13 from sliding out, and the spring 13 between the massage ball 14 and the support column 11 also plays a role in preventing the massage ball 14 from sliding out and enhancing the massage effect.
The piston cylinder 1 is used for containing ointment to be extruded, the valve ball 6 in the cylinder is matched with the extrusion hole to be used for controlling the dosage of the ointment flowing into the conical cavity 10 and the smearing head 17 from the piston cylinder 12, and the branch passage 12 on the smearing head 17 is convenient for the ointment in the conical cavity 10 to be evenly extruded from the front end of the smearing head 17 and then coated on the skin surface of a patient. The massage ball 14 in the ball channel 16 of the applying head 17 is used for massaging the surface of the skin of the patient coated with the ointment, and the absorption of the ointment by the patient is enhanced.
When the ointment applying device for the dermatological department is used, the push handle 4 is pulled rightwards, so that the piston rod 3 and the piston 2 are pulled out from the piston cylinder 1, ointment to be applied is filled into the piston cylinder 1, and the piston rod 3 and the piston 2 are inserted into the piston cylinder 1. The cover body 15 at the front end of the smearing head 17 is taken down, the piston rod 3 is extruded forwards, ointment in the piston cylinder 1 extrudes the valve ball 6, the valve ball 6 moves forwards, the pressure spring 7 is in a compressed state, the ointment in the piston cylinder 1 gradually enters the sleeve along a gap between the valve ball 6 and the boss 5 and gradually and uniformly enters the conical cavity 10 along the through hole 9 in the supporting partition plate 8, the ointment in the conical cavity 10 flows forwards along the branch passage 12 and the ball passage 16 on the smearing head 17, the left end of the smearing head 17 is in contact with the skin of a patient, the massage ball 14 in the ball passage 16 continuously extrudes the massage ball 14 forwards under the action force of extrusion of the ointment, and the massage ball 14 penetrating out of the ball passage 16 continuously massages the skin surface of the patient coated with the ointment, so that the absorption of the ointment on the skin surface is enhanced.
After the smearing is finished, the push handle 4 is loosened, the pushing force on the piston rod 3 disappears, and the valve ball 6 resets and slides rightwards under the action force of the pressure spring 7 to plug the extrusion hole at the joint of the sleeve and the piston cylinder 1. The cover body 15 is screwed on the smearing head 17, the massage ball 14 is extruded into the ball channel 16 by the cover body 15, ointment at the front end of the smearing head 17 is prevented from being dried and being unusable, and waste of the ointment is reduced.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (7)
1. The device is characterized by comprising a piston cylinder, a piston arranged in the piston cylinder, and a piston rod fixedly installed at the rear end of the piston, wherein the front end of the piston cylinder is fixedly provided with a sleeve and a smearing head in sequence, a conical cavity matched with the sleeve and the smearing head for use is fixedly installed between the sleeve and the smearing head, the rear end of the sleeve is provided with an extrusion hole communicated with the piston cylinder, a valve ball matched with the extrusion hole is arranged in the extrusion hole, a boss for limiting the valve ball to move towards the piston cylinder is fixedly installed on the inner wall of the sleeve outside the extrusion hole, a supporting partition board is fixedly installed at one end of the conical cavity close to the sleeve, a plurality of through holes facilitating ointment to flow out are uniformly formed in the supporting partition board, a pressure spring is connected between the valve ball and the supporting partition board, a plurality of branch channels and ball channels facilitating ointment to flow out are uniformly formed in the smearing head, and a massage, A supporting column fixed on the smearing head and a spring connected with the massage ball and the supporting column, wherein the diameter of the massage ball is matched with the ball channel.
2. The dermatological ointment applying apparatus according to claim 1, wherein an inner diameter of an end of the boss adjacent to the cylinder is smaller than an inner diameter of a side adjacent to the tapered cavity.
3. The dermatological ointment application device of claim 1, wherein a cover is detachably mounted at the front end of the application head, and the cover and the application head are connected in a snap-fit or threaded manner.
4. The dermatological ointment applying apparatus according to claim 1, wherein the applying head has a solid cylindrical shape, the ball passages are distributed in such a manner as to radiate outward along a central position of the applying head, the branch passages are indirectly distributed between the adjacent ball passages, the rear ends of the ball passages are support pillars having a diameter smaller than that of the ball passages, the ointment in the tapered cavities flows out along the ball passages along gaps outside the support pillars, and the front ends of the ball passages are inwardly arc-shaped to prevent the massage balls from sliding out of the front ends of the ball passages.
5. The dermatological ointment applying apparatus according to claim 1, wherein the supporting partition is tapered, and the through holes are uniformly distributed throughout the supporting partition.
6. The dermatological ointment applying apparatus according to claim 1, wherein the front end of the piston is formed in a convex shape matching the shape of the front end of the piston cylinder.
7. The dermatological ointment applying apparatus according to claim 1, wherein a push handle with an anti-slip cover is fixedly mounted to a free end of the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777283.9U CN210447846U (en) | 2019-05-27 | 2019-05-27 | Device is paintd to ointment for dermatology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777283.9U CN210447846U (en) | 2019-05-27 | 2019-05-27 | Device is paintd to ointment for dermatology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210447846U true CN210447846U (en) | 2020-05-05 |
Family
ID=70438663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920777283.9U Active CN210447846U (en) | 2019-05-27 | 2019-05-27 | Device is paintd to ointment for dermatology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210447846U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156350A (en) * | 2020-10-19 | 2021-01-01 | 庄敬珍 | Medicine applying device for gynecological nursing |
| CN112245112A (en) * | 2020-10-22 | 2021-01-22 | 王广春 | Coating paste dressing processing device |
| CN113398454A (en) * | 2021-06-06 | 2021-09-17 | 深圳市妇幼保健院 | Coating device capable of filling ointment rapidly |
| CN113477464A (en) * | 2021-07-01 | 2021-10-08 | 青岛大学附属医院 | Coating paste dressing processing device |
| CN116899482A (en) * | 2023-09-06 | 2023-10-20 | 诸城市五洲化工涂料有限公司 | Paint color blending device |
-
2019
- 2019-05-27 CN CN201920777283.9U patent/CN210447846U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156350A (en) * | 2020-10-19 | 2021-01-01 | 庄敬珍 | Medicine applying device for gynecological nursing |
| CN112245112A (en) * | 2020-10-22 | 2021-01-22 | 王广春 | Coating paste dressing processing device |
| CN113398454A (en) * | 2021-06-06 | 2021-09-17 | 深圳市妇幼保健院 | Coating device capable of filling ointment rapidly |
| CN113398454B (en) * | 2021-06-06 | 2023-05-19 | 深圳市妇幼保健院 | Quick filling ointment's coating device |
| CN113477464A (en) * | 2021-07-01 | 2021-10-08 | 青岛大学附属医院 | Coating paste dressing processing device |
| CN113477464B (en) * | 2021-07-01 | 2022-09-09 | 青岛大学附属医院 | Coating paste dressing processing device |
| CN116899482A (en) * | 2023-09-06 | 2023-10-20 | 诸城市五洲化工涂料有限公司 | Paint color blending device |
| CN116899482B (en) * | 2023-09-06 | 2023-12-01 | 诸城市五洲化工涂料有限公司 | Paint color blending device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210447846U (en) | Device is paintd to ointment for dermatology | |
| CN109498979A (en) | A kind of dermatology's ointment rubbing device | |
| CN206198465U (en) | A kind of novel smearing device for body surface anesthesia | |
| CN210750880U (en) | Clinical multi-functional affected part medicator of using | |
| CN210521470U (en) | Emergency debridement smearing syringe | |
| CN215386982U (en) | External medicine applying device | |
| US10555592B2 (en) | Application for topical composition | |
| CN216877574U (en) | Auxiliary device is paintd to plaster | |
| CN212700061U (en) | Automatic medicine extruding device | |
| CN214807840U (en) | A scribble medicine device for dermatology | |
| CN112618939B (en) | Spot-removing point-painting stick | |
| CN209865019U (en) | Dermatological department is with device of scribbling medicine | |
| CN211798209U (en) | Adjustable applicator for nursing in burn department | |
| CN208464618U (en) | Massage head treatment applies cream pen | |
| CN207684095U (en) | The hose of smearing can be rolled | |
| CN209048895U (en) | A kind of external drug applicator | |
| CN215084169U (en) | Traditional chinese medical science dermatology uses medicine obliterator | |
| CN215275364U (en) | Gel extrusion device for vagina | |
| CN220237550U (en) | Skin ointment smearing device | |
| CN206777609U (en) | A kind of medical skin inflammation ointment smears chock plug | |
| CN102824686A (en) | External application traditional Chinese mixing and coating device | |
| CN215653370U (en) | Continuous type coating device of dermatology medicine for external use | |
| CN221332421U (en) | Portable medicine applying device | |
| CN210698473U (en) | Novel disposable haemorrhoids medicine injector | |
| CN219517535U (en) | Medicine applicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 1-5, standard workshop, Jinfeng biomedical industrial park, No. 28, Gaoxin Avenue, Jiulongpo District, Chongqing Patentee after: Ruixi (Chongqing) Biotechnology Co.,Ltd. Address before: 400039 No. 77-1 and No. 77-4 B3089, No. 17, Shiqiao Paving Shiyang Road, Jiulongpo District, Chongqing Patentee before: Ruixi (Chongqing) Biotechnology Co.,Ltd. |