CN114053541A - Intranasal intubate protector - Google Patents
Intranasal intubate protector Download PDFInfo
- Publication number
- CN114053541A CN114053541A CN202111330121.9A CN202111330121A CN114053541A CN 114053541 A CN114053541 A CN 114053541A CN 202111330121 A CN202111330121 A CN 202111330121A CN 114053541 A CN114053541 A CN 114053541A
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- Prior art keywords
- arc
- plate
- shaped
- arch plate
- shaped column
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Classifications
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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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
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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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0098—Catheters; Hollow probes having a strain relief at the proximal end, e.g. sleeve
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/0213—Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body
- A61M2025/0226—Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body specifically adapted for the nose
Abstract
The invention discloses a transnasal intubation protective device, which belongs to the field of medical supplies and comprises an operation part and an arc arch bar; the operating part is connected with the arc arch plate and is positioned at one end of the arc arch plate; the arc arch plate is used for being inserted into a gap between the intubation tube and the nasal cavity, and the arc arch plate surrounds the periphery of the intubation tube in the nasal cavity. The transnasal cannula protection device can protect the cannula, avoid the damage of the cannula and prevent the heat from being transferred to the lung when the maxilla is cut off.
Description
Technical Field
The invention belongs to the field of medical supplies, and particularly relates to a transnasal intubation protective device.
Background
At present, after general anesthesia of a patient, the breathing mode of the patient is mainly that auxiliary breathing is carried out through a nasal cannula and an oral cannula, and a breathing machine transmits gas to the lung of the patient through the cannula. In the process of oral and maxillofacial surgery, the visual field of the surgery is limited due to the oral intubation, and the nasal intubation is selected in most cases. However, when resection of the maxillary tumor is performed, we will remove part of the maxillary bone, even make a full and enlarged resection, often cutting through the palatal midline to the contralateral side.
During maxillary resection using a rifled saw or an electric drill head, the transnasal air delivery cannula is often damaged, and heat generated by mechanical stimulation may even be transferred to the lung through the cannula air delivery, resulting in lung burns. Currently, there are no devices for protecting the transnasal cannula in the clinic, and surgeons still have to a large extent experience to judge, which also increases the risk of damaging the cannula. In addition, the size of the nasal cavity aperture of different patients is different, and how to effectively protect the intubation tube still needs to be solved.
Disclosure of Invention
The invention aims to provide a transnasal intubation protective device aiming at the defects, and solves the problem that a device for protecting the transnasal intubation is not used in clinic, and surgeons can judge the device to a great extent through experience, so that the risk of damaging the intubation is increased; in addition, the size of the nasal cavity aperture of different patients is different, and how to effectively protect the intubation tube still needs to solve the problems. In order to achieve the purpose, the invention provides the following technical scheme:
the transnasal intubation protective device comprises an operating part and an arc arch bar 5; the operating part is connected with the arc arch plate 5 and is positioned at one end of the arc arch plate 5; the arc arch plate 5 is used for being inserted into a gap between the intubation tube and the nasal cavity, and the arc arch plate 5 surrounds the periphery of the intubation tube in the nasal cavity. According to the structure, after the air-conveying cannula is inserted into the nasal cavity, a gap exists between the cannula and the inner wall of the nasal cavity, when a Leifu saw or an electric drill grinding head is used for cutting the maxilla, the arc arch plate 5 is inserted into the gap between the cannula and the nasal cavity from the nostril, the arc arch plate 5 can partially surround the periphery of the cannula in the nasal cavity due to the arc structure, the arc arch plate 5 is matched with the cannula, the gap between the cannula and the nasal cavity is better matched, the arc arch plate 5 is blocked at the side, close to the maxilla, of the cannula, a surgeon does not need to worry about damage to the cannula due to misoperation, and the arc arch plate 5 plays a role in resisting damage of an external tool to the cannula and protecting the cannula. After the intubation tube is protected, heat generated by mechanical stimulation is prevented from being transmitted to the lung through intubation tube gas transmission, and the safety of the lung is guaranteed. The operating portion is connected with the arc arch bar 5, and the operating portion is located 5 one ends of arc arch bar, and the operating portion is located outside the nostril promptly, and the surgeon can adjust the position of arc arch bar 5 in the nasal cavity through the operating portion, makes the clearance of the better adaptation intubate of arc arch bar 5 and nasal cavity, effectively protects the intubate.
Further, the operating part comprises a handle 1, an arc-shaped pipe 2 and two bolts 3; the handle 1 and the arc-shaped pipe 2 are fixed; an arc opening 4 extending along the arc pipe 2 is arranged on the outer wall of the arc pipe 2; two ends of the arc-shaped pipe 2 are connected with bolts 3 through threads; one end of the arc arched plate 5 is provided with an arc column 6; the arc column 6 is matched in the arc pipe 2, and the arc arch plate 5 penetrates out from the arc opening 4. According to the structure, the arc-shaped pipe 2, the arc-shaped opening 4, the arc-shaped column 6 and the arc-shaped arch plate 5 keep the same axis, so that the arc-shaped column 6 can be rotationally plugged into the arc-shaped pipe 2 from the end part of the arc-shaped pipe 2, and the arc-shaped arch plate 5 rotates along the arc-shaped opening 4. The pole portion of two bolts 3 is equipped with the external screw thread, and 2 both ends inner walls of arc pipe are equipped with the internal thread, and there are bolt 3 at 2 both ends of arc pipe through threaded connection, and two bolts 3 carry on spacingly to 6 both ends of arc post, avoid arc post 6 to take circular arc arch bar 5 to rotate at will. The detachable structure can conveniently replace the arc arch bars 5 with different lengths so as to adapt to the nasal cavity depths of different patients. The surgeon can adjust the position of the arced tube 2 and thus the arced plate 5 and arced post 6 by adjusting the position of the handle 1. The arc opening 4 extends completely to both ends of the arc tube 2.
Further, the arc arch plates 5 comprise a left arc arch plate 7 and a right arc arch plate 8; the arc-shaped column 6 comprises a left arc-shaped column 9 positioned at one end of the left arc-shaped arch plate 7 and a right arc-shaped column 10 positioned at one end of the right arc-shaped arch plate 8; the left arc-shaped column 9 and the right arc-shaped column 10 are disconnected; an upper lapping plate 11 is arranged on the side, close to the right arc arch plate 8, of the left arc arch plate 7; a lower lapping plate 12 is arranged on the side of the right arc arch plate 8 close to the left arc arch plate 7; the upper lapping plate 11 is lapped on the upper side of the lower lapping plate 12; the upper side of the lower lapping plate 12 is provided with an elastic rubber strip 13; the upper strap 11 abuts against the elastic rubber strip 13. Known by the above-mentioned structure, circular arc arched plate 5 is formed by left circular arc arched plate 7 and the concatenation of right circular arc arched plate 8, when the whole width of circular arc arched plate 5 needs to be transferred a bit greatly, two bolts 3 outwards screw out a bit, left side arc post 9 increases with right circular arc post 10 place space like this, because it supports to lean on elastic rubber strip 13 to go up bridging plate 11, elastic rubber strip 13 is located bridging plate 12 upside down, elastic rubber strip 13's elasticity makes left circular arc arched plate 7 and right circular arc arched plate 8 have the trend of arranging out, thereby left side arc post 9 and right arc post 10 have the trend of arranging out, left side arc post 9 one end continues to push up one bolt 3, right side arc post 10 one end continues to push up another bolt 3, the whole width of circular arc arched plate 5 increases. When the whole width of circular arc arch bar 5 need turn down a little, two bolts 3 are to 2 end internal rotations of curved pipe and are gone into a little, left side arc post 9 and right arc post 10 place spaces reduce like this, because last bridging plate 11 supports and leans on elastic rubber strip 13, elastic rubber strip 13 is located bridging plate 12 upside down, left side arc arch bar 7 and right arc arch bar 8 are close to and make elastic rubber strip 13 further compress, thereby left side arc post 9 and right arc post 10 still have the trend of arranging, left side arc post 9 one end continues to push up a bolt 3, right side arc post 10 one end continues to push up another bolt 3, the whole width of circular arc arch bar 5 reduces. The whole width of the arc arch plate 5 is adjustable, so that the arc arch plate 5 can be adapted to the nasal cavity apertures of different patients.
Further, the two bolts 3 correspond to the left arc-shaped column 9 and the right arc-shaped column 10 one by one; the bottom of the bolt 3 is provided with a round table 14; the small end of the round table 14 of the bolt 3 corresponding to the left arc-shaped column 9 is abutted against one end of the left arc-shaped column 9; the small end of the round table 14 of the bolt 3 corresponding to the right arc-shaped column 10 abuts against one end of the right arc-shaped column 10. According to the structure, as the arc-shaped pipe 2 is arc-shaped, in order to ensure that the bolt 3 can always prop one end of the left arc-shaped column 9 and one end of the right arc-shaped column 10, the round table 14 is arranged at the bottom of the bolt 3, and the round table 14 is smaller than the diameter of the thread, so that when the bolt 3 is screwed in and screwed out, the round table 14 can contact one end of the left arc-shaped column 9 and one end of the right arc-shaped column 10.
Further, the arc-shaped pipe 2 is in a semi-arc shape. According to the structure, the arc-shaped pipe 2 is in a semi-arc shape, and the arc-shaped arch plate 5 can occupy a rotation angle of 180 degrees at most.
Furthermore, all edges of the left arc arch plate 7 and the right arc arch plate 8 are provided with fillets. According to the structure, the fillet avoids the left arc arch bar 7 and the right arc arch bar 8 from having sharp points, although not shown in the figure, the actual processing needs to be filleted, the use safety of the device is ensured, and the nasal cavity cannot be stabbed.
The invention has the beneficial effects that:
the invention discloses a transnasal intubation protective device, which comprises an operation part and an arc arch bar; the operating part is connected with the arc arch plate and is positioned at one end of the arc arch plate; the arc arch plate is used for being inserted into a gap between the intubation tube and the nasal cavity, and the arc arch plate surrounds the periphery of the intubation tube in the nasal cavity. The transnasal cannula protection device can protect the cannula, avoid the damage of the cannula and prevent the heat from being transferred to the lung when the maxilla is cut off. The size of the arc arch plate is adjustable, the size of the nasal cavity aperture of different patients is adapted, and the intubation tube is effectively protected.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic view of another perspective three-dimensional structure of the present invention as a whole;
FIG. 3 is a schematic three-dimensional structure of the arc arch with arc columns of the present invention;
FIG. 4 is a schematic view of another perspective three-dimensional structure of the arc arched plate with arc columns according to the present invention;
in the drawings: 1-handle, 2-arc tube, 3-bolt, 4-arc opening, 5-arc arch plate, 6-arc column, 7-left arc arch plate, 8-right arc arch plate, 9-left arc column, 10-right arc column, 11-upper lapping plate, 12-lower lapping plate, 13-elastic rubber strip and 14-round table.
Detailed Description
The present invention will be described in further detail below with reference to the drawings and the embodiments, but the present invention is not limited to the following examples.
The first embodiment is as follows:
see figures 1-4. The transnasal intubation protective device comprises an operating part and an arc arch bar 5; the operating part is connected with the arc arch plate 5 and is positioned at one end of the arc arch plate 5; the arc arch plate 5 is used for being inserted into a gap between the intubation tube and the nasal cavity, and the arc arch plate 5 surrounds the periphery of the intubation tube in the nasal cavity. According to the structure, after the air-conveying cannula is inserted into the nasal cavity, a gap exists between the cannula and the inner wall of the nasal cavity, when a Leifu saw or an electric drill grinding head is used for cutting the maxilla, the arc arch plate 5 is inserted into the gap between the cannula and the nasal cavity from the nostril, the arc arch plate 5 can partially surround the periphery of the cannula in the nasal cavity due to the arc structure, the arc arch plate 5 is matched with the cannula, the gap between the cannula and the nasal cavity is better matched, the arc arch plate 5 is blocked at the side, close to the maxilla, of the cannula, a surgeon does not need to worry about damage to the cannula due to misoperation, and the arc arch plate 5 plays a role in resisting damage of an external tool to the cannula and protecting the cannula. After the intubation tube is protected, heat generated by mechanical stimulation is prevented from being transmitted to the lung through intubation tube gas transmission, and the safety of the lung is guaranteed. The operating portion is connected with the arc arch bar 5, and the operating portion is located 5 one ends of arc arch bar, and the operating portion is located outside the nostril promptly, and the surgeon can adjust the position of arc arch bar 5 in the nasal cavity through the operating portion, makes the clearance of the better adaptation intubate of arc arch bar 5 and nasal cavity, effectively protects the intubate.
Example two:
see figures 1-4. On the basis of the first embodiment, the operating part comprises a handle 1, an arc-shaped pipe 2 and two bolts 3; the handle 1 and the arc-shaped pipe 2 are fixed; an arc opening 4 extending along the arc pipe 2 is arranged on the outer wall of the arc pipe 2; two ends of the arc-shaped pipe 2 are connected with bolts 3 through threads; one end of the arc arched plate 5 is provided with an arc column 6; the arc column 6 is matched in the arc pipe 2, and the arc arch plate 5 penetrates out from the arc opening 4. According to the structure, the arc-shaped pipe 2, the arc-shaped opening 4, the arc-shaped column 6 and the arc-shaped arch plate 5 keep the same axis, so that the arc-shaped column 6 can be rotationally plugged into the arc-shaped pipe 2 from the end part of the arc-shaped pipe 2, and the arc-shaped arch plate 5 rotates along the arc-shaped opening 4. The pole portion of two bolts 3 is equipped with the external screw thread, and 2 both ends inner walls of arc pipe are equipped with the internal thread, and there are bolt 3 at 2 both ends of arc pipe through threaded connection, and two bolts 3 carry on spacingly to 6 both ends of arc post, avoid arc post 6 to take circular arc arch bar 5 to rotate at will. The detachable structure can conveniently replace the arc arch bars 5 with different lengths so as to adapt to the nasal cavity depths of different patients. The surgeon can adjust the position of the arced tube 2 and thus the arced plate 5 and arced post 6 by adjusting the position of the handle 1. The arc opening 4 extends completely to both ends of the arc tube 2.
Example three:
see figures 1-4. On the basis of the second embodiment, the arc arched plate 5 comprises a left arc arched plate 7 and a right arc arched plate 8; the arc-shaped column 6 comprises a left arc-shaped column 9 positioned at one end of the left arc-shaped arch plate 7 and a right arc-shaped column 10 positioned at one end of the right arc-shaped arch plate 8; the left arc-shaped column 9 and the right arc-shaped column 10 are disconnected; an upper lapping plate 11 is arranged on the side, close to the right arc arch plate 8, of the left arc arch plate 7; a lower lapping plate 12 is arranged on the side of the right arc arch plate 8 close to the left arc arch plate 7; the upper lapping plate 11 is lapped on the upper side of the lower lapping plate 12; the upper side of the lower lapping plate 12 is provided with an elastic rubber strip 13; the upper strap 11 abuts against the elastic rubber strip 13. Known by the above-mentioned structure, circular arc arched plate 5 is formed by left circular arc arched plate 7 and the concatenation of right circular arc arched plate 8, when the whole width of circular arc arched plate 5 needs to be transferred a bit greatly, two bolts 3 outwards screw out a bit, left side arc post 9 increases with right circular arc post 10 place space like this, because it supports to lean on elastic rubber strip 13 to go up bridging plate 11, elastic rubber strip 13 is located bridging plate 12 upside down, elastic rubber strip 13's elasticity makes left circular arc arched plate 7 and right circular arc arched plate 8 have the trend of arranging out, thereby left side arc post 9 and right arc post 10 have the trend of arranging out, left side arc post 9 one end continues to push up one bolt 3, right side arc post 10 one end continues to push up another bolt 3, the whole width of circular arc arched plate 5 increases. When the whole width of circular arc arch bar 5 need turn down a little, two bolts 3 are to 2 end internal rotations of curved pipe and are gone into a little, left side arc post 9 and right arc post 10 place spaces reduce like this, because last bridging plate 11 supports and leans on elastic rubber strip 13, elastic rubber strip 13 is located bridging plate 12 upside down, left side arc arch bar 7 and right arc arch bar 8 are close to and make elastic rubber strip 13 further compress, thereby left side arc post 9 and right arc post 10 still have the trend of arranging, left side arc post 9 one end continues to push up a bolt 3, right side arc post 10 one end continues to push up another bolt 3, the whole width of circular arc arch bar 5 reduces. The whole width of the arc arch plate 5 is adjustable, so that the arc arch plate 5 can be adapted to the nasal cavity apertures of different patients.
The two bolts 3 correspond to the left arc-shaped column 9 and the right arc-shaped column 10 one by one; the bottom of the bolt 3 is provided with a round table 14; the small end of the round table 14 of the bolt 3 corresponding to the left arc-shaped column 9 is abutted against one end of the left arc-shaped column 9; the small end of the round table 14 of the bolt 3 corresponding to the right arc-shaped column 10 abuts against one end of the right arc-shaped column 10. According to the structure, as the arc-shaped pipe 2 is arc-shaped, in order to ensure that the bolt 3 can always prop one end of the left arc-shaped column 9 and one end of the right arc-shaped column 10, the round table 14 is arranged at the bottom of the bolt 3, and the round table 14 is smaller than the diameter of the thread, so that when the bolt 3 is screwed in and screwed out, the round table 14 can contact one end of the left arc-shaped column 9 and one end of the right arc-shaped column 10.
The arc-shaped pipe 2 is in a semi-arc shape. According to the structure, the arc-shaped pipe 2 is in a semi-arc shape, and the arc-shaped arch plate 5 can occupy a rotation angle of 180 degrees at most.
And all edges of the left arc arch plate 7 and the right arc arch plate 8 are provided with rounded corners. According to the structure, the fillet avoids the left arc arch bar 7 and the right arc arch bar 8 from having sharp points, although not shown in the figure, the actual processing needs to be filleted, the use safety of the device is ensured, and the nasal cavity cannot be stabbed.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. Intranasal intubate protector, its characterized in that: comprises an operation part and a circular arc arch plate (5); the operating part is connected with the arc arch plate (5), and the operating part is positioned at one end of the arc arch plate (5); the arc arch plate (5) is used for being inserted into a gap between the intubation tube and the nasal cavity, and the arc arch plate (5) surrounds the periphery of the intubation tube in the nasal cavity.
2. A transnasal cannula protection device according to claim 1, wherein: the operating part comprises a handle (1), an arc-shaped pipe (2) and two bolts (3); the handle (1) is fixed with the arc-shaped pipe (2); an arc opening (4) extending along the arc pipe (2) is arranged on the outer wall of the arc pipe (2); two ends of the arc-shaped pipe (2) are connected with bolts (3) through threads; one end of the arc arched plate (5) is provided with an arc column (6); the arc-shaped column (6) is matched in the arc-shaped pipe (2), and the arc-shaped arch plate (5) penetrates out from the arc-shaped opening (4).
3. A transnasal cannula protection device according to claim 2, wherein: the arc arch plate (5) comprises a left arc arch plate (7) and a right arc arch plate (8); the arc-shaped column (6) comprises a left arc-shaped column (9) positioned at one end of the left arc-shaped arch plate (7) and a right arc-shaped column (10) positioned at one end of the right arc-shaped arch plate (8); the left arc-shaped column (9) and the right arc-shaped column (10) are arranged in a disconnected mode; an upper lapping plate (11) is arranged on the side, close to the right arc arch plate (8), of the left arc arch plate (7); a lower lapping plate (12) is arranged on the side, close to the left arc arch plate (7), of the right arc arch plate (8); the upper lapping plate (11) is lapped on the upper side of the lower lapping plate (12); an elastic rubber strip (13) is arranged on the upper side of the lower lapping plate (12); the upper lapping plate (11) abuts against the elastic rubber strip (13).
4. A transnasal cannula protection device according to claim 3, wherein: the two bolts (3) correspond to the left arc-shaped column (9) and the right arc-shaped column (10) one by one; a round table (14) is arranged at the bottom of the bolt (3); the small end of the round table (14) of the bolt (3) corresponding to the left arc-shaped column (9) abuts against one end of the left arc-shaped column (9); the small end of the round table (14) of the bolt (3) corresponding to the right arc-shaped column (10) abuts against one end of the right arc-shaped column (10).
5. A transnasal cannula protection device according to claim 4, wherein: the arc-shaped pipe (2) is in a semi-arc shape.
6. A transnasal cannula protection device according to claim 3, wherein: and all edges of the left arc arch plate (7) and the right arc arch plate (8) are provided with rounded corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111330121.9A CN114053541B (en) | 2021-11-11 | 2021-11-11 | Intranasal intubate protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111330121.9A CN114053541B (en) | 2021-11-11 | 2021-11-11 | Intranasal intubate protector |
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| CN114053541A true CN114053541A (en) | 2022-02-18 |
| CN114053541B CN114053541B (en) | 2022-11-29 |
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| CN204709584U (en) * | 2015-06-08 | 2015-10-21 | 金华市中心医院 | Integral type tracheal cannula fixer |
| CN206198431U (en) * | 2016-07-09 | 2017-05-31 | 天津医科大学肿瘤医院 | A kind of tracheal cannula fixing device |
| CN206473643U (en) * | 2016-11-15 | 2017-09-08 | 西安交通大学第一附属医院 | A kind of surface anesthesia through nasal intubation and expanding pilot device |
| CN208852186U (en) * | 2017-09-30 | 2019-05-14 | 四川大学 | A kind of anti-roll off device based on nasal trachea cannula |
| CN209108289U (en) * | 2018-08-23 | 2019-07-16 | 嘉兴市妇幼保健院 | A kind of one-handed performance makes conduit pre-feed remaining needle automatically |
| CN209884963U (en) * | 2019-03-05 | 2020-01-03 | 四川大学华西医院 | Trachea cannula fixing device |
| US20200338314A1 (en) * | 2019-04-23 | 2020-10-29 | Smiths Medical Asd, Inc. | Catheter insertion device with improved push tab and tip protector assembly |
| KR20210015415A (en) * | 2019-08-02 | 2021-02-10 | 가톨릭대학교 산학협력단 | setting apparatus for nasotracheal intubation |
| US20210128217A1 (en) * | 2019-11-05 | 2021-05-06 | DePuy Synthes Products, Inc. | Device and system for facilitating insertion of a bone treatment device |
| CN212679805U (en) * | 2020-03-26 | 2021-03-12 | 吉林大学第一医院 | Compromise and prevent stinging trachea cannula fixing device of function and be convenient for oral care |
| CN213158654U (en) * | 2020-04-22 | 2021-05-11 | 上海市闵行区中心医院 | Intranasal bronchofiberscope trachea cannula auxiliary device |
| CN213156230U (en) * | 2020-05-08 | 2021-05-11 | 贾久丽 | Elastic dilator for oral clinical operation |
| CN213489026U (en) * | 2020-09-24 | 2021-06-22 | 四川大学 | Lip forceps for hemostasis traction |
| CN213217330U (en) * | 2020-09-25 | 2021-05-18 | 北京大学人民医院 | Novel retractor for nasal cavity operation |
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