CN105105801A - Hypodermic and muscular implantation device - Google Patents
Hypodermic and muscular implantation device Download PDFInfo
- Publication number
- CN105105801A CN105105801A CN201510572786.9A CN201510572786A CN105105801A CN 105105801 A CN105105801 A CN 105105801A CN 201510572786 A CN201510572786 A CN 201510572786A CN 105105801 A CN105105801 A CN 105105801A
- Authority
- CN
- China
- Prior art keywords
- runner
- guid needle
- shell
- subcutaneous
- screw thread
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
Abstract
The present invention relates to a hypodermic and muscular implantation device. The device comprises a cylinder-shaped housing, the housing is internally provided with a guide needle for implanting medicine or chips into a human body, one end of the guide needle is connected in a sliding manner with a push rod mechanism, the push rod mechanism is sleeved by a runner cam mechanism for coordinating extension, more than one first notch are disposed in a spaced manner along a length direction of a circumference of the housing, a thread clamping strip for coordinating connection with the runner cam mechanism is embedded on each notch, the device also comprises a nut, and the nut sleeves the end part of the housing and is in coordinating rotation with the thread clamping strips. The beneficial effects are that the device is simple to operate, convenient to use, safe, effective, and convenient for industrial production application and popularization.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of subcutaneous and muscular grafting device.
Background technology
Along with the development of science and technology, informationalized progress, numerous disease treatment needs to be monitored some physiological parameter (such as body temperature, heart rate, blood pressure etc.) by subcutaneous implanted sensor, and numerous disease needs subdermal implantation medicine to carry out treating and controlling.In some medical R&D processes when carrying out zoopery, often can implant the corresponding chip that measures in animal body and carrying out Real Time Observation.In traditional breeding process, implant in animal body and measure chip, poultry sign is monitored in real time, improve epidemic disease risk control ability, become a main trend.Because these reasons require more and more higher to subcutaneous implanting device.
The implant of subcutaneous implants or other types is inserted under skin by many trocar cannula system at present, subcutaneous implanting device is simpler and cruder, is made up of, operating difficulties trocar, syringe, push rod, do not have very skilled, chip or medicine can fall back on external along with exiting of trocar; Location is inaccurate, causes chip or medicine displacement in propelling movement process; Can not control implantation depth very well, trocar length can not regulate, and the degree of depth of implantation can only be estimated by eyes and carry out, and different people's operation technique differences can cause result different; Can not the leaded device of implantation belt; The infection that can not cause the quick simple and effective process of implant site wound etc.
Patent CN201849088 discloses a kind of pressing spring concealed ball-point pen, adopts runner to press wheel mechanism and springs into ejection for mechanical pencil.
Summary of the invention
The object of the invention is for above weak point, provide a kind of subcutaneous and muscular grafting device, realize fast and convenient by medicine or implanted chip.
The scheme that technical solution problem of the present invention adopts is: a kind of subcutaneous and muscular grafting device, comprise a shell cylindrically, one is equipped with for by the guid needle in medicine or implanted chip body in described shell, one end and a transfer bar mechanism of described guid needle are slidably connected, be arranged with a runner outside described transfer bar mechanism to press wheel mechanism and coordinate flexible, described shell week, side was interval with more than one first notch along its length, described first notch was embedded with respectively one for pressing the screw thread card article of wheel mechanism interoperation with described runner; Also comprise a nut, described nut sleeve is located at described outer casing end and is coordinated with described screw thread card article and rotates; The length of described first notch is less than the length of shell.
Further, described shell and runner are pressed between wheel mechanism and are also arranged with one for fixing the fixed cover of described screw thread card article, one end of described fixed cover is arranged on the end of described shell one end, the end of the other end is circumferentially interval with external screw thread and extends to described outer side vertically; More than one second notch corresponding with described screw thread card article is circumferentially interval with outside described fixed cover.
Further, described guid needle is outer and the opposite side being positioned at described shell is also arranged with an adapter sleeve, described adapter sleeve one end is provided with female thread and coordinates with the external screw thread of described fixed cover end and is fixedly connected with, and the end face of described adapter sleeve other end end is provided with several for injecting first through hole and of biological glue for stretching into the first through hole of described guid needle; Described guid needle is arranged with one second spring between the end of adapter sleeve.
Further, described first through hole is respectively equipped with a dropping liquid conduit.
Further, be also provided with one to establish the drainage tube of biological glue drainage trough for card in described adapter sleeve, described shell is provided with two and stretches out and mutually draw close the card division for fixed biologically glue, and described dropping liquid conduit is connected with described drainage trough.
Further, described transfer bar mechanism comprise a catch bar parallel with described guid needle and be fixedly connected with described catch bar one end press portion, the described catch bar other end stretches in described guid needle; Described one end of pressing portion extends to outside fixed cover vertically.
Further, described runner press wheel mechanism comprise one be parallel to each other connect coordinate press wheel and runner, described runner and press wheel parallel sleeve and to be located at outside described catch bar and to be positioned at shell, one end one bindiny mechanism of described guid needle and the end of described runner are connected, described in press one end one first spring of wheel and the described portion of pressing is connected; Described outside of pressing wheel and runner is also along the circumferential direction interval with some latches, and described screw thread card article respectively correspondence is arranged between described latch.
Further, one end of described bindiny mechanism is connected with the end winding support of described guid needle, and the other end is connected with the end winding support of described runner, and described catch bar runs through described bindiny mechanism and stretches in described guid needle.
Further, one is also provided with in described guid needle for the draw-in groove of accommodating medicine or chip.
Compared with prior art, the present invention has following beneficial effect: when the biosensor that implantation belt is leaded, again guid needle can arrange draw-in groove, better biosensor can be implanted subcutaneous desired area by the draw-in groove anchor leg on guid needle, and guid needle can be exited rapidly can't biosensor and lead-in wire be taken out of external by pressing transfer bar mechanism.Instill biological glue additionally by implantation wound, can bond implant site wound faster, prevent medicine or biosensor from being dropped out by implantable port external, prevent the infection of implant site wound.So implantation device provided by the invention not only structure is simple, easy to use, and safe and effective, be convenient to suitability for industrialized production and use and promote.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, patent of the present invention is further illustrated.
Fig. 1 is the structural representation of the implantation device of the embodiment of the present invention.
Fig. 2 is A-A sectional view.
Fig. 3 is the front view of the shell of the embodiment of the present invention;
Fig. 4 is the side view of embodiment of the present invention shell;
Fig. 5 is the B-B sectional view of Fig. 4;
Fig. 6 is the front view of the fixed cover of the embodiment of the present invention;
Fig. 7 is the side view of the fixed cover of the embodiment of the present invention;
Fig. 8 is the sectional view of C-C in Fig. 6.
In figure: 1-shell; 11-first notch; 12-card division; 2-guid needle; 3-catch bar; 4-presses portion; 5-screw thread card article; 6-nut; 7-runner; 8-presses wheel; 9-second spring; 10-first spring; 13-fixed cover; 131-second notch; 14-adapter sleeve; 141-drainage trough; 15-dropping liquid conduit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
As shown in Fig. 1 ~ 8, the embodiment of the present invention provides a kind of subcutaneous and muscular grafting device, comprise a shell 1 cylindrically, one is equipped with for the guid needle 2 by medicine or implanted chip human body in described shell 1, one end and a transfer bar mechanism of described guid needle 2 are slidably connected, be arranged with a runner outside described transfer bar mechanism to press wheel mechanism and coordinate flexible, described shell 1 week side is interval with more than one first notch 11 along its length, described first notch 11 is embedded with respectively one for pressing with described runner the screw thread card article 5 that wheel mechanism is connected; Also comprise a nut 6, described nut 6 is sheathed on described shell 1 end and coordinates with described screw thread card article 5 and rotates; The length of described first notch 11 is less than the length of shell 1.By rotating nut 6, can the implantation depth of regulating drug or chip.
In the present embodiment, described shell 1 and runner are pressed between wheel mechanism and are also arranged with one for fixing the fixed cover 13 of described screw thread card article 5, one end of described fixed cover 13 is arranged on the end of described shell 1 one end, the end of the other end is circumferentially interval with external screw thread and extends to outside described shell 1 vertically; More than one second notch 131 corresponding with described screw thread card article 5 is circumferentially interval with outside described fixed cover 13.
In the present embodiment, outer and the other end being positioned at described shell 1 of described guid needle 2 also parallel sleeve is provided with an adapter sleeve 14, described adapter sleeve 14 one end is provided with female thread and coordinates with the external screw thread of described fixed cover 13 end and is fixedly connected with, and the end face of described adapter sleeve 14 other end end is provided with several for injecting first through hole and of biological glue for stretching into the first through hole of described guid needle 2; Described guid needle 2 is arranged with one second spring 9 between the end of adapter sleeve 14.
In the present embodiment, described first through hole is respectively equipped with a dropping liquid conduit 15.
In the present embodiment, one to establish the drainage tube of biological glue drainage trough 141 for card is also provided with in described adapter sleeve 14, described shell 1 is provided with two and stretches out and mutually draw close the card division 12 for fixed biologically glue, and described dropping liquid conduit 15 is connected with described drainage trough 141.By biological glue is introduced into drainage trough 141 by a drainage tube by biological glue, by the first dropping liquid conduit 15, wound is implanted in biological glue instillation.
In the present embodiment, the portion that presses 4 that described transfer bar mechanism comprises a catch bar 3 parallel with described guid needle 2 and is fixedly connected with described catch bar 3 one end, described catch bar 3 other end stretches in described guid needle 2; Described one end of pressing portion 4 extends to outside fixed cover 13 vertically.
In the present embodiment, described runner press wheel mechanism comprise one be parallel to each other connect coordinate press wheel 8 and runner 7, described runner 7 and press wheel 8 parallel sleeve and to be located at outside described catch bar 3 and to be positioned at shell 1, one end one bindiny mechanism of described guid needle 2 and the end of described runner 7 are connected, described in press wheel 8 one end one first spring 10 be connected with the described portion 4 that presses; Described outside of pressing wheel 8 and runner 7 is also along the circumferential direction interval with some latches, and described screw thread card article 5 respectively correspondence is arranged between described latch.Described runner is pressed wheel mechanism and is placed between described fixed cover 13, coordinate the second notch 131 to stretch in fixed cover 13 by described screw thread card article 5 and described fixed cover 13 in the track at formation many intervals be parallel to each other, the described latch pressed on wheel 8 and runner 7 outer circumferential side is arranged in this track respectively, ensure the stability of transfer bar mechanism and press wheel 8 and runner 7 moves in parallel along push rod central shaft, decontrol when pressing portion's 4 to lowermost end described in pressing and press portion 4, runner press wheel mechanism at any time catch bar 3 after track (namely moving forward until the latch of runner 7 is fixed to the front position of screw thread card article 5 automatically along screw thread card article 5), guid needle 2 extend out to outside adapter sleeve 14 simultaneously, now be used for the medicine implanted by one or chip card is located in the draw-in groove of described guid needle 2, by guid needle 2 by medicine or implanted chip to human body, transfer bar mechanism 3 described in flicking, the medicine in described guid needle or chip move forward along with the catch bar of transfer bar mechanism, and medicine or chip are accurately positioned in subcutaneous or intramuscular, press portion 4 described in relieving, catch bar 3 and guid needle bounce back to home position under the effect of the first spring 10 and the second spring 9, and described runner is pressed wheel mechanism and also bounced back to home position.
In the present embodiment, one end of described bindiny mechanism is connected with the end winding support of described guid needle 2, and the other end is connected with the end winding support of described runner 7, and described catch bar 3 runs through described bindiny mechanism and stretches in described guid needle 2.
In the present embodiment, one is also provided with in described guid needle 2 for the draw-in groove of accommodating medicine or chip.
Specific implementation process below by the present embodiment is further explained the present invention.
Specific implementation process: pin described transfer bar mechanism 3, wheel 8 runner 7 mechanism is pressed along the screw thread card article 5 embedded in shell simultaneously along with catch bar 3 moves forward now, transfer bar mechanism 3 is decontroled to during lowermost end, the runner 7 pressed now in wheel 8 runner 7 mechanism can be fixed on the screw thread card article front end embedded in shell automatically, simultaneously guid needle 2 extend out to outside adapter sleeve 14, is now used for the medicine implanted by one or chip card is located in the draw-in groove of described guid needle 2; By under medicine or implanted chip human body or animal skins or intramuscular; Transfer bar mechanism 3 described in flicking, the medicine in described guid needle or chip move forward along with the catch bar of transfer bar mechanism, and medicine or chip are accurately positioned in subcutaneous or intramuscular; Decontrol described transfer bar mechanism 3, described guid needle 2 moves backward along with the catch bar 3 of transfer bar mechanism, guid needle 2 is retracted in adapter sleeve 14, and now described runner presses wheel mechanism along the screw thread card article embedded in shell simultaneously along with catch bar moves backward, is retracted to the rear end of screw thread card article.One biological glue is stuck in the card division 12 on shell 1, the outlet of described biological glue extends to outside shell 1 through a drainage tube, by pressing described card division 12, biological glue is instilled the wound of human body or animal implant or chip.
In sum, implantation device provided by the invention not only structure is simple, easy to use, and safe and effective, is convenient to suitability for industrialized production and uses and promote.
Above-listed preferred embodiment provided by the invention; the object, technical solutions and advantages of the present invention are further described; be understood that; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a subcutaneous and muscular grafting device, it is characterized in that: comprise a shell cylindrically, one is equipped with for by the guid needle in medicine or implanted chip body in described shell, one end and a transfer bar mechanism of described guid needle are slidably connected, be arranged with a runner outside described transfer bar mechanism to press wheel mechanism and coordinate flexible, described shell week, side was interval with more than one first notch along its length, described first notch was embedded with respectively one for pressing the screw thread card article of wheel mechanism interoperation with described runner; Also comprise a nut, described nut sleeve is located at described outer casing end and is coordinated with described screw thread card article and rotates; The length of described first notch is less than the length of shell.
2. the subcutaneous and muscular grafting device of one according to claim 1, it is characterized in that: described shell and runner are pressed between wheel mechanism and be also arranged with one for fixing the fixed cover of described screw thread card article, one end of described fixed cover is arranged on the end of described shell one end, the end of the other end is circumferentially interval with external screw thread and extends to described outer side vertically; More than one second notch corresponding with described screw thread card article is circumferentially interval with outside described fixed cover.
3. the subcutaneous and muscular grafting device of one according to claim 2, it is characterized in that: described guid needle is outer and be positioned at the described shell other end and be also arranged with an adapter sleeve, described adapter sleeve one end is provided with female thread and coordinates with the external screw thread of described fixed cover end and is fixedly connected with, and the end face of described adapter sleeve other end end is provided with several for injecting first through hole and of biological glue for stretching into the first through hole of described guid needle; Described guid needle is arranged with one second spring between the end of adapter sleeve.
4. the subcutaneous and muscular grafting device of one according to claim 3, is characterized in that: described first through hole is respectively equipped with a dropping liquid conduit.
5. the subcutaneous and muscular grafting device of one according to claim 3, it is characterized in that: in described adapter sleeve, be also provided with one to establish the drainage tube of biological glue drainage trough for card, described shell is provided with two and stretches out and mutually draw close the card division for fixed biologically glue, and described dropping liquid conduit is connected with described drainage trough.
6. the subcutaneous and muscular grafting device of one according to claim 2, it is characterized in that: described transfer bar mechanism comprise a catch bar parallel with described guid needle and be fixedly connected with described catch bar one end press portion, the described catch bar other end stretches in described guid needle; Described one end of pressing portion extends to outside fixed cover vertically.
7. the subcutaneous and muscular grafting device of one according to claim 6, it is characterized in that: described runner press wheel mechanism comprise one be parallel to each other be connected press wheel and runner, describedly press wheel and runner parallel sleeve to be located at outside described catch bar and to be positioned at shell, one end one bindiny mechanism of described guid needle and the end of described runner are connected, described in press one end one first spring of wheel and the described portion of pressing is connected; Described outside of pressing wheel and runner is also along the circumferential direction interval with some latches, and described screw thread card article respectively correspondence is arranged between described latch.
8. the subcutaneous and muscular grafting device of one according to claim 7, it is characterized in that: one end of described bindiny mechanism is connected with the end winding support of described guid needle, the other end is connected with the end winding support of described runner, and described catch bar runs through described bindiny mechanism and stretches in described guid needle.
9. the subcutaneous and muscular grafting device of one according to claim 7, is characterized in that: be also provided with one in described guid needle for the draw-in groove of accommodating medicine or chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572786.9A CN105105801B (en) | 2015-09-10 | 2015-09-10 | A kind of subcutaneous and muscular grafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572786.9A CN105105801B (en) | 2015-09-10 | 2015-09-10 | A kind of subcutaneous and muscular grafting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105105801A true CN105105801A (en) | 2015-12-02 |
| CN105105801B CN105105801B (en) | 2017-08-01 |
Family
ID=54654107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510572786.9A Active CN105105801B (en) | 2015-09-10 | 2015-09-10 | A kind of subcutaneous and muscular grafting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105105801B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273078A1 (en) * | 2021-06-28 | 2023-01-05 | 苏州百孝医疗科技有限公司 | Fixing structure and method of sensor base |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043869U (en) * | 1989-01-25 | 1989-09-06 | 阮玉玲 | Disposable blood sampler |
| CN2085651U (en) * | 1991-01-11 | 1991-10-02 | 王聿衍 | Needle-changing type spring lancet device |
| CN2142325Y (en) * | 1992-06-28 | 1993-09-22 | 梁季鸿 | Multi-purpose negative pressure rotation cutting biopsy |
| CN201008299Y (en) * | 2007-03-23 | 2008-01-23 | 林作钱 | Syringe for animals for implanting electronic identification |
| CN101559249A (en) * | 2008-04-18 | 2009-10-21 | 崔钟洙 | Injection method and injection device using injector with length-adjustable needle head |
| US20110178399A1 (en) * | 2008-08-13 | 2011-07-21 | Andrea Del Corso | Occlusion device for vascular surgery |
| CN202590073U (en) * | 2011-12-30 | 2012-12-12 | 安徽医学高等专科学校 | Retractable syringe |
| CN202842080U (en) * | 2012-08-28 | 2013-04-03 | 金华通 | Modified animal syringe used for electronic chip implantation |
| CN205379320U (en) * | 2015-09-10 | 2016-07-13 | 福州派生特生物科技有限公司 | Subcutaneous and muscle implanting device |
-
2015
- 2015-09-10 CN CN201510572786.9A patent/CN105105801B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043869U (en) * | 1989-01-25 | 1989-09-06 | 阮玉玲 | Disposable blood sampler |
| CN2085651U (en) * | 1991-01-11 | 1991-10-02 | 王聿衍 | Needle-changing type spring lancet device |
| CN2142325Y (en) * | 1992-06-28 | 1993-09-22 | 梁季鸿 | Multi-purpose negative pressure rotation cutting biopsy |
| CN201008299Y (en) * | 2007-03-23 | 2008-01-23 | 林作钱 | Syringe for animals for implanting electronic identification |
| CN101559249A (en) * | 2008-04-18 | 2009-10-21 | 崔钟洙 | Injection method and injection device using injector with length-adjustable needle head |
| US20110178399A1 (en) * | 2008-08-13 | 2011-07-21 | Andrea Del Corso | Occlusion device for vascular surgery |
| CN202590073U (en) * | 2011-12-30 | 2012-12-12 | 安徽医学高等专科学校 | Retractable syringe |
| CN202842080U (en) * | 2012-08-28 | 2013-04-03 | 金华通 | Modified animal syringe used for electronic chip implantation |
| CN205379320U (en) * | 2015-09-10 | 2016-07-13 | 福州派生特生物科技有限公司 | Subcutaneous and muscle implanting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273078A1 (en) * | 2021-06-28 | 2023-01-05 | 苏州百孝医疗科技有限公司 | Fixing structure and method of sensor base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105105801B (en) | 2017-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE602006014197D1 (en) | IMPLANT INFUSION DEVICE WITH ADJUSTABLE AND REMOVABLE NEEDLE | |
| RU2019100884A (en) | MEDICAL DEVICE FOR PERCUTANEOUS INJECTION OF AN INJECTED ELEMENT INTO THE TISSUE OF THE ORGANISM | |
| CN205379320U (en) | Subcutaneous and muscle implanting device | |
| CN201366157Y (en) | Disposable syringe with adjustable inserting needle depth | |
| CN105105801A (en) | Hypodermic and muscular implantation device | |
| CN203988265U (en) | Scope universal trocar | |
| CN206007326U (en) | Dispoable medical multipurpose cord-embedding needle | |
| CN209270606U (en) | Orthopaedics implantable drug delivery system | |
| CN213641114U (en) | Novel puncture device for cardiothoracic surgery | |
| SE0100227L (en) | Method and apparatus for electronically controlled microprocessing, analysis and drug dosing | |
| CN205411918U (en) | Slowly -releasing needling instrument | |
| CN205460223U (en) | Novel insulin pump | |
| CN201115741Y (en) | Chest abdominal cavity puncturing tool | |
| CN208339917U (en) | Full urethra light power condyloma acuminatum feeding device | |
| CN213911748U (en) | Infusion connects protective cap | |
| CN204581448U (en) | The puncture needle for hypodermic tunnel of improvement | |
| CN204485052U (en) | Gynecological administration device | |
| CN205885495U (en) | Injection formula needle sword of sunkening cord | |
| CN215690578U (en) | Special needle of implanted device of dosing | |
| CN213406954U (en) | Injection type needle for veterinary acupuncture | |
| CN218220803U (en) | Anorectal administration device | |
| CN110975068B (en) | Tumor micro-injection medicine detection method and multi-point micro-injector | |
| CN110917446B (en) | Vaccine injection device based on prevention animal disease | |
| CN212466751U (en) | Injection device | |
| CN201200690Y (en) | Novel needle for skin test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170508 Address after: 350500, Fujian Province, Lianjiang County, Fuzhou County, Fuxing Road, Jiangnan County, No. 8, Ling Xin world, floor 6, floor 1, store 1 Applicant after: Derivative (Fuzhou) Biological Technology Co., Ltd. Address before: 350599, Fujian Province, Lianjiang County, Fuzhou County, Fuxing Road, Jiangnan County, No. 8, Ling Xin world, floor 6, 1, 1 stores Applicant before: Fuzhou Paishengte Biotechnology Co., Ltd. Applicant before: Ji Xiaobin Applicant before: Liu Youying Applicant before: Liu Youlin Applicant before: Chi Zongqi |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |