CN111905190A - Easy-to-operate large-inner-diameter triple trocar device and application - Google Patents
Easy-to-operate large-inner-diameter triple trocar device and application Download PDFInfo
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- CN111905190A CN111905190A CN202010696245.8A CN202010696245A CN111905190A CN 111905190 A CN111905190 A CN 111905190A CN 202010696245 A CN202010696245 A CN 202010696245A CN 111905190 A CN111905190 A CN 111905190A
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- sleeve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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Abstract
The invention discloses a large-inner-diameter triple trocar device and application thereof, and the large-inner-diameter triple trocar device comprises a plastic sterile packaging sleeve, a first trocar head, a second trocar head, a puncture steel needle head, a blood storage bin and a removable plug, wherein two sides of one end of the plastic sterile packaging sleeve are respectively provided with a holding sheet slot, one end of the interior of the plastic sterile packaging sleeve, which is close to the holding sheet slot, is provided with a slope buckle, the plastic sterile packaging sleeve is fixedly clamped with the first trocar head through the slope buckle, the center of one end of the first trocar head, which is close to the plastic sterile packaging sleeve, is fixedly communicated with a first plastic sleeve, the interior of the first plastic sleeve is sleeved with a second plastic sleeve in a sliding manner, and the interior of the second plastic sleeve is sleeved with a hollow steel needle in. According to the invention, the first plastic sleeve and the second plastic sleeve are arranged and matched with the hollow steel needle, and the advantages of the fine needle and the thick needle can be combined, so that the purpose that the puncture difficulty of the fine needle is only realized and the using effect of the thick needle is achieved.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an easy-to-operate large-inner-diameter triple trocar device.
Background
The indwelling needle is a needle which can be repeatedly used for a plurality of times after once puncturing a blood vessel when a transfusion bottle is used for a long time, and can relieve the pain of a patient caused by a plurality of injections.
The existing trocar is a double-needle, and the plastic cannula inserted in each puncture is of constant inner diameter. The fine needle is easy to puncture successfully, but has the defects of insufficient lumen, easy folding, easy blockage, easy separation, easy blood seepage due to repeated adjustment and the like. The thick needle has the advantages of large lumen, difficult folding, difficult blocking, difficult falling, difficult blood seepage without repeated adjustment, and the like, but has the defects of difficult puncture and easy blood seepage.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a large-inner-diameter triple trocar device which is easy to operate.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an easy big inner diameter trigeminy trocar device of operating, includes plastic aseptic package cover 1, first sleeve head 2, second sleeve head 3, puncture steel needle 4, blood storage storehouse 20 and the stopper 24 of removing, its characterized in that:
the plastic sterile packaging sleeve 1 is detachably connected with the first sleeve head 2; the first sleeve head 2 and the second sleeve head 3 are detachably connected;
a first plastic sleeve 8 is arranged at the center of one end of the first sleeve head 2 close to the plastic sterile packaging sleeve 1, and the pipe body of the first plastic sleeve 8 gradually extends towards the tail end of the pipe;
a second plastic sleeve 13 is sleeved in the first plastic sleeve 8 in a sliding manner, and the inner diameter of the first plastic sleeve 8 is larger than that of the second plastic sleeve 13;
one end of the second plastic sleeve 13, which is far away from the plastic sterile packaging sleeve 1, is fixedly communicated with the second sleeve head 3;
a hollow steel needle 17 is sleeved in the second plastic sleeve 13 in a sliding manner;
one end of the hollow steel needle 17 far away from the plastic sterile packaging sleeve 1 is provided with a puncture steel needle head 4;
a transparent plastic handle 19 is arranged at one end of the puncture steel needle head 4 far away from the second sleeve head 3;
a blood storage bin 20 is arranged at one end of the inner part of the transparent plastic handle 19, which is far away from the second sleeve head 3;
one end of the hollow steel needle 17 far away from the second sleeve head 3 passes through the transparent plastic handle 19 to be fixedly communicated with the blood storage bin 20;
a removable plug 24 is removably attached to the end of the blood storage bin remote from the second cannula head 3.
As a further description of the above technical solution:
both sides of the first sleeve head 2 are fixedly connected with puncture kneading pieces 9, and one end of the plastic sterile packaging sleeve 1 is provided with a concave clamping groove 12; the puncture kneading piece 9 can be clamped on the concave slot 12.
The bodies of the first plastic sleeve (8) and the second plastic sleeve (13) extend progressively towards the end of the tube.
A medical device comprising the apparatus of the invention.
As a further description of the above technical solution:
As a further description of the above technical solution:
As a further description of the above technical solution:
the second sleeve head 3 is provided with a sleeve chuck 10, wherein the sleeve chuck 10 is internally provided with a sleeve chuck internal thread 6, the sleeve pipe tail ring 14 can be sleeved in the sleeve chuck 10 and is connected with the sleeve pipe tail ring 14 through the sleeve chuck internal thread 6 in a matching threaded manner.
As a further description of the above technical solution:
the removed plug 24 is a removable vent plug or a removable hemostatic plug.
As a further description of the above technical solution:
wherein, one end of the first sleeve head 2 or the second sleeve head 3 far away from the plastic sleeve can be provided with a heparin cap 5; the inside center department of heparin cap 5 is provided with seal cover 21, and the heparin cap 5 is provided with heparin cap internal thread 22 near the one end internal surface of second sleeve head 3, and heparin cap 5 is kept away from the inside sealing rubber 23 that is provided with of one end of second sleeve head 3.
As a further description of the above technical solution:
the heparin cap 5 and the first sleeve head 2 and the second sleeve head 3 are in threaded connection with the tail ring external thread 16 through the cap internal thread 22.
As a further description of the above technical solution:
needle point spacing groove 15 has been seted up to one side of the sleeve pipe tail ring 14 that second sleeve head 3 set up, puncture steel syringe needle 4 is close to one side of first sleeve head 2 and the corresponding position department fixedly connected with needle point stopper 18 of needle point spacing groove 15, wherein puncture steel syringe needle 4 with second sleeve head 3 passes through needle point stopper 18 and the fixed joint of needle point spacing groove 15.
As a further description of the above technical solution:
the needle point orientation position of the hollow steel needle 17 corresponds to the position of the needle point limiting block 18.
The invention has the following beneficial effects:
1. the invention is provided with the first plastic sleeve and the second plastic sleeve, is matched with the hollow steel needle, can combine the advantages of the thin needle and the thick needle, realizes the purpose of achieving the use effect of the thick needle only by the puncture difficulty of the thin needle, and can be used for various arterial and venous indwelling needles, various arterial and venous indwelling tubes or intubation tubes, and triple or multiple indwelling tubes in other inspection or treatment fields.
2. The invention can be inserted into a thicker channel by one-time puncture, thereby avoiding the defect of repeated expansion of the conventional method, and also avoiding the problem of outflow of harmful cyst fluid caused by repeated expansion during the puncture of the conventional method.
3. The first plastic sleeve on the outer layer can be used for protecting the second plastic sleeve inside, so that the folding can be prevented, the second plastic sleeve can be kept in a blood vessel when the blood vessel is used, the second plastic sleeve on the inner layer is used firstly, and the second plastic sleeve can be taken out if the blood vessel is blocked, so that the first plastic sleeve is kept for transfusion, and the practicability of the blood vessel is enhanced.
4. The plastic trocar of the invention adopts progressive design, obviously reduces the pain in the process of inserting the needle head, has more humanized inserting process, obviously enhances the service time limit of the needle device by the design of the triple cannula, avoids repeated needle insertion of chronic patients, obviously reduces the pain of the patients and has more humanized treating process
Drawings
FIG. 1 is a schematic view of an easy-to-operate large-bore triple trocar device according to the present invention;
FIG. 2 is a schematic view of the plastic sterile packaging sleeve of an easy-to-operate large-inner-diameter triple trocar device according to the present invention;
FIG. 3 is a schematic view of a first trocar head of a large inner diameter triple trocar assembly according to the present invention;
FIG. 4 is a schematic view of a second cannula head of a large inner diameter triple trocar assembly according to the present invention;
FIG. 5 is a schematic view of a puncture rigid needle head structure of an easy-to-operate large-inner-diameter triple trocar device according to the present invention;
fig. 6 is a schematic view of a heparin cap of an easy-to-operate large-inner-diameter triple trocar device according to the present invention.
Fig. 7 is a schematic needle head view of a large bore triple trocar assembly of the present invention which is easy to operate.
Illustration of the drawings:
1. plastic sterile packaging covers; 2. a first ferrule head; 3. a second ferrule; 4. puncturing a steel needle head; 5. a heparin cap; 6. the cutting sleeve is internally threaded; 7. a first sleeve body; 8. a first plastic sleeve; 9. puncturing and kneading the sheet; 10. a card sleeve; 11. a second sleeve body; 12. a concave slot; 13. a second plastic sleeve; 14. a casing tail ring; 15. a needle tip limiting groove; 16. a tail ring external thread; 17. a hollow steel needle; 18. a needle tip limiting block; 19. a transparent plastic handle; 20. a blood storage bin; 21. sealing sleeves; 22. heparin cap internal threads; 23. and (7) sealing rubber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, one embodiment of the present invention is provided: an easy-to-operate large-inner-diameter triple trocar device comprises a plastic sterile packaging sleeve 1, a first trocar head 2, a second trocar head 3, a blood storage bin 20 and a removable plug 24, wherein the plastic sterile packaging sleeve 1 is detachably connected with the first trocar head 2; the first sleeve head 2 and the second sleeve head 3 are detachably connected;
wherein the first sleeve head 2 is provided with a first plastic sleeve 8 at the center of one end close to the plastic sterile packaging sleeve 1, and the pipe body of the first plastic sleeve 8 gradually extends towards the tail end of the pipe; the progressive connection of the tail end of the tube body effectively reduces the pain of the patient caused by puncture. A second plastic sleeve 13 is sleeved in the first plastic sleeve 8 in a sliding manner, the inner diameter of the first plastic sleeve 8 is larger than that of the second plastic sleeve 13, one end, far away from the plastic sterile packaging sleeve 1, of the second plastic sleeve 13 is fixedly communicated with the second sleeve head 3, and a hollow steel needle 17 is sleeved in the second plastic sleeve 13 in a sliding manner; the one end that the aseptic packing of plastics cover 1 was kept away from to hollow steel needle 17 is equipped with puncture steel needle 4, and the one end that second sleeve head 3 was kept away from to puncture steel needle 4 is provided with transparent plastic handle 19, and the blood storage storehouse 20 has been seted up to the one end that second sleeve head 3 was kept away from to transparent plastic handle 19's inside, and the one end that second sleeve head 3 was kept away from to hollow steel needle 17 passes transparent plastic handle 19 and the fixed intercommunication in blood storage storehouse 20, and the one end detachable that second sleeve head 3 was kept away from in the blood storage storehouse is connected with removable stopper 24. Both sides of the first sleeve head 2 are fixedly connected with puncture kneading pieces 9, and one end of the plastic sterile packaging sleeve 1 is provided with a concave clamping groove 12; the puncture kneading piece 9 can be clamped on the concave slot 12. The sleeve head is fixed by a plastic sterile packaging sleeve. First sleeve head 2 with the one end that second sleeve head 3 kept away from plastic aseptic packaging cover 1 all is provided with sleeve pipe tail ring 14, two sleeve pipe tail ring 14 surface all is provided with tail ring external screw thread 16. The first sleeve head 2 is composed of a first sleeve body 7 and a first plastic sleeve 8, the first plastic sleeve 8 is fixed in the first sleeve body 7, the second sleeve head 3 is composed of a second sleeve body 11 and a second plastic sleeve 13, and the second plastic sleeve 13 is fixed in the second sleeve body 11. The second sleeve head 3 is provided with a sleeve chuck 10, wherein the sleeve chuck 10 is internally provided with a sleeve chuck internal thread 6, the sleeve pipe tail ring 14 can be sleeved in the sleeve chuck 10 and is connected with the sleeve pipe tail ring 14 through the sleeve chuck internal thread 6 in a matching threaded manner. Additionally, the removable plug 24 removably mounted to the distal end of the blood reservoir of the trocar device may be a removable vent plug or a removable hemostatic plug, with different plugs being used depending on the different puncture requirements. Needle point spacing groove 15 has been seted up to one side of the sleeve pipe tail ring 14 that second sleeve head 3 set up, puncture steel syringe needle 4 is close to one side of first sleeve head 2 and the corresponding position department fixedly connected with needle point stopper 18 of needle point spacing groove 15, wherein puncture steel syringe needle 4 with second sleeve head 3 passes through needle point stopper 18 and the fixed joint of needle point spacing groove 15.
One end of the first sleeve head 2 or the second sleeve head 3 far away from the plastic sleeve can be provided with a heparin cap 5; wherein the inside center department of heparin cap 5 is provided with seal cover 21, and the heparin cap 5 is provided with heparin cap internal thread 22 near the one end internal surface of second sleeve head 3, and heparin cap 5 is provided with sealing rubber 23 far away from the inside one end of second sleeve head 3. The heparin cap 5 and the first sleeve head 2 and the second sleeve head 3 are screwed with the tail ring external thread 16 through the cap internal thread 22.
The working principle is as follows: when the invention is used, the first plastic sleeve 8 and the second plastic sleeve 12 are utilized, the hollow steel needle 17 is matched to simultaneously place the first plastic sleeve 8 and the second plastic sleeve 12 into a blood vessel by one-time puncture, the defect of repeated expansion of the conventional method is avoided, the puncture can also avoid the problem of outflow of harmful sac liquid caused by repeated expansion in the conventional method puncture, the advantages of a fine needle and a coarse needle are combined, the puncture difficulty of the fine needle is realized, the use effect of the coarse needle is achieved, the first plastic sleeve 8 on the outer layer can be utilized to keep a protective effect on the second plastic sleeve 12 in the inner layer, the folding can be prevented, the heparin cap 5 and the first plastic sleeve 5 can be simultaneously placed in the blood vessel when the invention is used, the second plastic sleeve 12 on the inner layer is firstly used, the second plastic sleeve 12 can be drawn off when the blockage occurs, the first plastic sleeve 8 is kept for transfusion, and the heparin cap 5 and the first sleeve can be matched with the heparin cap internal thread 22 and the tail ring external thread 16 in the heparin cap 5 when the heparin cap is used The tube head 2 or the second tube head 3 is connected in a sealing threaded manner, and can be repeatedly punctured for transfusion and medicine injection through the action of the sealing rubber 23, and the injection of heparin sodium can prevent blood backflow and anticoagulation, so that the practicability of the invention is enhanced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an easy big inner diameter trigeminy trocar device of operating, includes aseptic packing cover of plastics (1), first sleeve head (2), second sleeve head (3), puncture steel needle (4), blood storage storehouse (20) and removable stopper (24), its characterized in that:
the plastic sterile packaging sleeve (1) is detachably connected with the first sleeve head (2); the first sleeve head (2) is detachably connected with the second sleeve head (3);
a first plastic sleeve (8) is arranged at the center of one end of the first sleeve head (2) close to the plastic sterile packaging sleeve (1),
a second plastic sleeve (13) is sleeved in the first plastic sleeve (8) in a sliding manner, and the inner diameter of the first plastic sleeve (8) is larger than that of the second plastic sleeve (13);
one end of the second plastic sleeve (13) far away from the plastic sterile packaging sleeve (1) is fixedly communicated with the second sleeve head (3);
a hollow steel needle (17) is sleeved in the second plastic sleeve (13) in a sliding manner;
one end of the hollow steel needle (17) far away from the plastic sterile packaging sleeve (1) is provided with a puncture steel needle head (4);
a transparent plastic handle (19) is arranged at one end of the puncture steel needle head (4) far away from the second sleeve head (3);
a blood storage bin (20) is arranged at one end of the inner part of the transparent plastic handle (19) far away from the second sleeve head (3);
one end of the hollow steel needle (17) far away from the second sleeve head (3) penetrates through the transparent plastic handle (19) to be fixedly communicated with the blood storage bin (20);
the end of the blood storage bin far away from the second sleeve head (3) is detachably connected with a removable plug (24).
2. An easily maneuverable large bore triple trocar device according to claim 1, wherein: both sides of the first sleeve head (2) are fixedly connected with puncture kneading pieces (9), and one end of the plastic sterile packaging sleeve (1) is provided with a concave clamping groove (12); the puncture kneading sheet (9) can be clamped on the concave slot (12).
3. An easily maneuverable large bore triple trocar device according to claim 1, wherein: first sleeve head (2) with the one end that plastics aseptic packaging cover (1) was kept away from in second sleeve head (3) all is provided with sleeve pipe tail ring (14), two sleeve pipe tail ring (14) surface all is provided with tail ring external screw thread (16).
4. An easily maneuverable large bore triple trocar device according to claim 1, wherein: the sleeve is characterized in that a clamping sleeve (10) is arranged on the second sleeve head (3), a clamping sleeve internal thread (6) is arranged in the clamping sleeve (10), and the sleeve tail ring (14) can be sleeved in the clamping sleeve (10) and is connected with the tail ring external thread (16) through the clamping sleeve internal thread (6).
5. An easily maneuverable large bore triple trocar device according to claim 1, wherein: first sleeve head (2) comprise first sleeve body (7) and first plastic sleeve (8), and first plastic sleeve (8) are fixed in first sleeve body (7), and second sleeve head (3) comprise second sleeve body (11) and second plastic sleeve (13), and second plastic sleeve (13) are fixed in second sleeve body (11).
6. An easily maneuverable large bore triple trocar device according to claim 1, wherein: the bodies of the first plastic sleeve (8) and the second plastic sleeve (13) extend progressively towards the end of the tube.
7. An easily maneuverable large bore triple trocar device according to claim 1, wherein: one end of the first sleeve head (2) or the second sleeve head (3) far away from the plastic sleeve can be connected with a heparin cap (5); the heparin cap is characterized in that a sealing sleeve (21) is arranged at the center of the interior of the heparin cap (5), a heparin cap internal thread (22) is arranged on the inner surface of one end, close to the second sleeve head (3), of the heparin cap (5), and sealing rubber (23) is arranged inside one end, far away from the second sleeve head (3), of the heparin cap (5).
8. An easily maneuverable large bore triple trocar device according to claim 6, wherein: the needle point spacing groove (15) of having seted up of sleeve pipe tail ring (14) that second sleeve head (3) set up, puncture steel syringe needle (4) are close to one side of first sleeve head (2) and needle point spacing groove (15) corresponding position department fixedly connected with needle point spacing block (18), wherein puncture steel syringe needle (4) with second sleeve head (3) are through needle point spacing block (18) and the fixed joint of needle point spacing groove (15).
9. An easily maneuverable large bore triple trocar device according to claim 8, wherein: the needle point orientation position of the hollow steel needle (17) corresponds to the position of the needle point limiting block (18).
10. Use of a device according to any one of claims 1 to 9 in the manufacture of a medical device.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696245.8A CN111905190A (en) | 2020-07-20 | 2020-07-20 | Easy-to-operate large-inner-diameter triple trocar device and application |
| PCT/CN2021/099940 WO2022017065A1 (en) | 2020-07-20 | 2021-06-15 | Easy-to-operate large-inner-diameter triple trocar device, and application |
| JP2021566989A JP7250174B2 (en) | 2020-07-20 | 2021-06-15 | Easy-to-operate large inner diameter triple indwelling needle device and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696245.8A CN111905190A (en) | 2020-07-20 | 2020-07-20 | Easy-to-operate large-inner-diameter triple trocar device and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111905190A true CN111905190A (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010696245.8A Pending CN111905190A (en) | 2020-07-20 | 2020-07-20 | Easy-to-operate large-inner-diameter triple trocar device and application |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7250174B2 (en) |
| CN (1) | CN111905190A (en) |
| WO (1) | WO2022017065A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017065A1 (en) * | 2020-07-20 | 2022-01-27 | 吴向阳 | Easy-to-operate large-inner-diameter triple trocar device, and application |
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| JPS481897U (en) * | 1971-05-21 | 1973-01-11 | ||
| ATE77058T1 (en) * | 1987-06-27 | 1992-06-15 | Haindl Hans | CATHETER DEVICE. |
| JP3031338B2 (en) * | 1998-07-14 | 2000-04-10 | 文能 劉 | Multipurpose safe automatic infusion venous catheter |
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| CN110448761A (en) * | 2019-08-08 | 2019-11-15 | 山东健护医疗科技有限公司 | A kind of fool proof remaining needle of band |
| CN110339435B (en) * | 2019-08-20 | 2024-06-11 | 中国人民解放军总医院 | Triple trocar device and method for deep tissue penetration |
| CN111905190A (en) * | 2020-07-20 | 2020-11-10 | 吴向阳 | Easy-to-operate large-inner-diameter triple trocar device and application |
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2020
- 2020-07-20 CN CN202010696245.8A patent/CN111905190A/en active Pending
-
2021
- 2021-06-15 WO PCT/CN2021/099940 patent/WO2022017065A1/en active Application Filing
- 2021-06-15 JP JP2021566989A patent/JP7250174B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104146748A (en) * | 2014-07-16 | 2014-11-19 | 浙江大学 | Disposable straight internal fistula puncturing trocar |
| CN204033448U (en) * | 2014-09-01 | 2014-12-24 | 谭太发 | Cyst paracentesis trocar |
| CN206499510U (en) * | 2016-07-13 | 2017-09-19 | 戴洪山 | The percutaneous puncture dilator in situ through internal organs or tissue |
| CN106137343A (en) * | 2016-08-10 | 2016-11-23 | 文德意 | Punctio vesicae device |
| CN106491192A (en) * | 2016-12-09 | 2017-03-15 | 成都五义医疗科技有限公司 | A kind of perforator comprising double protective covers |
| CN209220436U (en) * | 2017-11-21 | 2019-08-09 | 夏重升 | A kind of micro-invasive operating trochar |
| CN212522590U (en) * | 2020-07-20 | 2021-02-12 | 吴向阳 | Big inner diameter trigeminy trocar device of easy operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022017065A1 (en) * | 2020-07-20 | 2022-01-27 | 吴向阳 | Easy-to-operate large-inner-diameter triple trocar device, and application |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7250174B2 (en) | 2023-03-31 |
| WO2022017065A1 (en) | 2022-01-27 |
| JP2022545051A (en) | 2022-10-25 |
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