CN115844505B - Cricothyroid membrane puncture needle - Google Patents

Cricothyroid membrane puncture needle Download PDF

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Publication number
CN115844505B
CN115844505B CN202310104390.6A CN202310104390A CN115844505B CN 115844505 B CN115844505 B CN 115844505B CN 202310104390 A CN202310104390 A CN 202310104390A CN 115844505 B CN115844505 B CN 115844505B
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China
Prior art keywords
ring
cylinder
needle
sealing
fixedly connected
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CN202310104390.6A
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Chinese (zh)
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CN115844505A (en
Inventor
刘迟
李楠
周超
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Shanghai Jing'an Central Hospital (jing'an Branch Huashan Sub-Hospital Of Fudan University)
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Shanghai Jing'an Central Hospital (jing'an Branch Huashan Sub-Hospital Of Fudan University)
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Publication of CN115844505A publication Critical patent/CN115844505A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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Abstract

The invention belongs to the technical field of medical appliances, and discloses a cricothyroid membrane puncture needle which comprises a supporting plate and a needle cylinder, wherein a supporting ring is fixedly arranged on the outer surface of the needle cylinder, a communicating pipe is arranged on the left side of the needle cylinder, a sealing ring and a sealing cylinder are fixedly connected to the inner wall of the needle cylinder, a pressing rod is inserted into the top of the needle cylinder, and a pressing block and a sealing block are sequentially and fixedly connected to the upper end and the lower end of the pressing rod. The invention applies the compression bar and the pressing block on the thumb of the user, and then drives the movable ring and the needle body to move downwards by rotating the external thread cylinder, so that the needle body slowly and accurately pierces the cricothyroid membrane of the patient downwards, when the needle body pierces the cricothyroid membrane, the tip of the needle body is not plugged any more, so that the positive pressure in the air bag is released, the force applied on the thumb of the user is reduced, and at the moment, the invention can assist the user to judge that the needle body pierces in place, and avoid the excessive piercing of the needle body and the damage to the inner wall of the respiratory tract of the patient.

Description

Cricothyroid membrane puncture needle
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a cricothyroid membrane puncture needle.
Background
In order to avoid the death of suffocation caused by acute laryngeal edema, head and neck or throat trauma, etc., the cricothyroid membrane is generally punctured to achieve the purpose of ventilation and breathing of the patient, so that a cricothyroid membrane puncture needle is required.
Disclosure of Invention
The invention aims to provide a cricothyroid membrane puncture needle which aims to solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a cricothyroid membrane pjncture needle, includes backup pad and cylinder, the outward appearance fixed mounting of cylinder has the holding ring, communicating pipe is installed in the left side of cylinder, the inner wall fixedly connected with sealing ring and the seal cartridge of cylinder, peg graft at the top of cylinder has the depression bar, the upper and lower both ends of depression bar fixedly connected with briquetting and sealing block in proper order, the surface fixed mounting of depression bar has the solid fixed ring that is located the cylinder inner wall top, the top fixedly connected with spring of holding ring, the other end elastic connection of spring has the spacing ring, the bottom of sealing block is interference fit in the upside of seal cartridge inner wall, the bottom fixedly connected with gasbag of seal cartridge, the bottom fixedly connected with needle body of gasbag, the surface fixed mounting of needle body has the snap ring, the bottom screw thread cup joint of cylinder surface has the external screw thread section of thick bamboo, the bottom fixedly connected with drive ring of external screw thread section of thick bamboo, the needle body passes through the snap ring block and installs inside the area moving ring.
Preferably, the draw-in groove has been seted up to the upside of cylinder inner wall, the inside fixed mounting of draw-in groove has held the post, the inside activity that holds the post has pegged graft and has been had flexible post, the inside activity of flexible post has cup jointed No. two springs, no. two both ends of spring respectively with flexible post and hold post elastic connection, flexible post passes through No. two spring elastic support in the inside that holds the post, the outside one end fixedly connected with linkage piece of flexible post, reset groove has been seted up to solid fixed ring's surface.
Preferably, the inner ring surface of the driving ring is provided with a placing groove, and the clamping ring is adaptively clamped in the placing groove.
Preferably, the inclined plane has been seted up towards one side of a spring to the linkage piece, the quantity of linkage piece and reset groove is four, four the linkage piece all is equiangular distribution with the reset groove, the linkage piece can coincide with the reset groove after rotatory 45 ° around the axis of needle body.
Preferably, the sealing ring is located above the communicating pipe, the sealing ring is made of rubber blocks, and the compression bar is in interference fit with the inner ring surface of the sealing ring.
Preferably, the limiting ring and the spring are movably sleeved on the outer surface of the compression bar, and the limiting ring is elastically supported at the top of the sealing ring through the spring.
Preferably, the bottom of backup pad fixedly connected with sleeve, the cylinder activity is pegged graft in backup pad and telescopic inner wall, the cylinder passes through the spacing top that supports in the backup pad of support ring.
Preferably, the support plate is made of plastic plate, and both sides of the bottom of the support plate are expandable and deformable to the outside.
Preferably, the air bag is made of rubber blocks, the wall thickness of the air bag is 2.5MM, and the air bag is dumbbell-shaped with thick two sides and thin middle.
The beneficial effects of the invention are as follows:
1. according to the invention, the external thread cylinder which is sleeved on the outer surface of the needle cylinder is arranged to rotate and drive the driving ring and the needle body to move downwards, after the needle cylinder drives the needle body to puncture downwards along the top of the supporting plate, the tip end of the needle body is kept to be plugged, the pressing block is pressed downwards to drive the pressing rod, the fixing ring and the sealing block to move downwards, the sealing block is matched with the sealing block to form positive pressure in the air bag through the sealing environment formed by the penetration of the needle body into the cricoid membrane, the sealing block is subjected to reverse thrust through the expansion of the air bag, the pressing rod and the pressing block act on the thumb of a user, and then the external thread cylinder is rotated to drive the driving ring and the needle body to move downwards, so that the needle body can puncture the cricoid membrane of a patient slowly and accurately.
2. Then, through continuing to press down the briquetting to drive depression bar and sealing block and remove downwards, drive the sealing block and move downwards and leave the inner wall of sealed section of thick bamboo, make the sealing block no longer surplus the cooperation in the inner wall of sealed section of thick bamboo, keep the intercommunication about the sealed section of thick bamboo, keep the circulation of air in communicating pipe, cylinder, sealed section of thick bamboo, gasbag, needle and patient internal through communicating pipe, make the inside malleation of gasbag release, communicating pipe can also external breathing machine, provide bigger oxygen circulation condition for the patient.
3. Finally, through continuing to press the briquetting downwards, drive depression bar and solid fixed ring and move down, make gu fixed ring can press downwards and drive the spacing ring, compress a spring, the bottom through solid fixed ring and the inclined plane of linkage piece carry out extrusion contact, can press and drive linkage piece and flexible post to holding the inside direction of post, move down to the linkage piece under and by the spacing joint of linkage piece through solid fixed ring, be convenient for fix solid fixed ring through driving the spacing ring downwards and last compression a spring to obtain ascending resilience force, reset groove has been seted up through the surface at solid fixed ring, can drive depression bar at the briquetting and solid fixed ring and rotate 45 back, make linkage piece and reset groove coincidence, accomplish solid fixed ring's reset, help fixing and reset the sealing block and solid fixed ring after the removal adjustment.
Drawings
FIG. 1 is a schematic view of the front appearance of the overall structure of the present invention;
fig. 2 is a schematic view, partially in section, of the front face of the syringe of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B in accordance with the present invention;
FIG. 5 is a schematic view of the external thread cylinder, the drive ring, the needle body and the snap ring of the present invention in isolation;
FIG. 6 is a schematic diagram showing the separation of the compression bar, the compression block, the driving ring, the limiting ring, the first spring, the sealing ring, the accommodating column, the telescopic column, the second spring and the linkage block;
FIG. 7 is a schematic view partially in section from above of the compression bar, drive ring, receiving post, telescoping post, spring number two and linkage block of the present invention;
FIG. 8 is a schematic view showing the separation of the needle, seal cartridge, balloon and clasp of the present invention;
fig. 9 is a schematic view, partially in section, of a syringe of the present invention.
In the figure: 1. a support plate; 2. a sleeve; 3. a needle cylinder; 4. a support ring; 5. a communicating pipe; 6. an external thread cylinder; 7. a drive ring; 8. a needle body; 9. a compression bar; 10. briquetting; 11. a fixing ring; 12. a limiting ring; 13. a first spring; 14. a seal ring; 15. a sealing block; 16. a sealing cylinder; 17. an air bag; 18. a clamping groove; 19. a receiving column; 20. a telescopic column; 21. a second spring; 22. a linkage block; 23. a placement groove; 24. a clasp; 25. and a reset groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 9, the embodiment of the invention provides a cricothyroid membrane puncture needle, which comprises a supporting plate 1 and a needle cylinder 3, wherein a supporting ring 4 is fixedly arranged on the outer surface of the needle cylinder 3, a communicating pipe 5 is arranged on the left side of the needle cylinder 3, a sealing ring 14 and a sealing cylinder 16 are fixedly connected to the inner wall of the needle cylinder 3, a pressing rod 9 is inserted into the top of the needle cylinder 3, a pressing block 10 and a sealing block 15 are sequentially and fixedly connected to the upper end and the lower end of the pressing rod 9, a fixed ring 11 positioned at the top of the inner wall of the needle cylinder 3 is fixedly arranged on the outer surface of the pressing rod 9, a first spring 13 is fixedly connected to the top of the sealing ring 14, the other end of the first spring 13 is elastically connected with a limiting ring 12, the bottom of the sealing block 15 is in interference fit with the upper side of the inner wall of the sealing cylinder 16, an air bag 17 is fixedly connected to the bottom of the sealing cylinder 16, a needle 8 is fixedly connected to the bottom of the air bag 17, a clamping ring 24 is fixedly arranged on the outer surface of the needle 8, an external thread cylinder 6 is sleeved on the bottom of the outer surface of the needle cylinder 3, a driving ring 7 is fixedly connected to the bottom of the external thread cylinder 6, and the needle 8 is installed inside the driving ring 7 in a clamping way through the clamping ring 24;
when the puncture needle is used, the needle cylinder 3 can be driven to downwards penetrate through the supporting plate 1 and the inside of the sleeve 2 through the supporting plate 1 by carrying out pre-placement supporting on the supporting plate 1, the needle cylinder 3 can be driven to downwards penetrate to the cricoid of a patient through the limiting of the supporting plate 1 on the supporting ring 4 in the process of driving the needle cylinder 8 to downwards move, then, the pressing block 10 is downwards pressed to drive the pressing rod 9, the fixing ring 11 and the sealing block 15 to downwards move, the sealing environment formed by penetrating the cricoid through the needle cylinder 8 is driven, the sealing block 15 is matched with the sealing block 15 to form positive pressure in the air bag 17, the sealing block 15 generates reverse thrust, the pressing rod 9 and the pressing block 10 are used on the thumb of the user, and then, the external thread cylinder 6 is rotated to drive the driving ring 7 and the needle cylinder 8 to downwards move, so that the needle cylinder 8 slowly and accurately downwards punctures the cricoid of the patient.
Then, by continuing to press the pressing block 10 downwards and driving the pressing rod 9 and the sealing block 15 to move downwards, driving the sealing block 15 to move downwards and leave the inner wall of the sealing cylinder 16, so that the sealing block 15 is no longer excessively matched with the inner wall of the sealing cylinder 16, the upper and lower communication of the sealing cylinder 16 is maintained, then the communicating pipe 5 is opened, and the air is kept to circulate in the communicating pipe 5, the needle cylinder 3, the sealing cylinder 16, the air bag 17, the needle body 8 and the patient, and the communicating pipe 5 can be externally connected with a breathing machine.
The upper side of the inner wall of the needle cylinder 3 is provided with a clamping groove 18, the inside of the clamping groove 18 is fixedly provided with a containing column 19, the inside of the containing column 19 is movably inserted with a telescopic column 20, the inside of the telescopic column 20 is movably sleeved with a second spring 21, two ends of the second spring 21 are respectively and elastically connected with the telescopic column 20 and the containing column 19, the telescopic column 20 is elastically supported in the inside of the containing column 19 through the second spring 21, one end of the outer side of the telescopic column 20 is fixedly connected with a linkage block 22, and the outer surface of the fixing ring 11 is provided with a reset groove 25;
after the needle body 8 is pierced in place, the pressing block 10 can be continuously pressed downwards to drive the pressing rod 9 and the fixing ring 11 to move downwards, so that the fixing ring 11 can be pressed downwards to drive the limiting ring 12 to compress the first spring 13, the bottom of the fixing ring 11 is in extrusion contact with the inclined surface of the linkage block 22, the linkage block 22 and the telescopic column 20 can be pressed and driven towards the inner direction of the accommodating column 19, the fixing ring 11 moves downwards to the position right below the linkage block 22 and is clamped by the linkage block 22, the limiting ring 12 is driven downwards and the first spring 13 is continuously compressed to obtain upward resilience force to facilitate fixing the fixing ring 11, and after the pressing block 10 drives the pressing rod 9, the pressing block 10 and the fixing ring 11 to rotate for 45 degrees, the linkage block 22 is overlapped with the resetting groove 25 to finish resetting of the fixing ring 11.
Wherein, the inner ring surface of the driving ring 7 is provided with a placing groove 23, and a clamping ring 24 is adapted to be clamped in the placing groove 23;
as shown in fig. 2 and fig. 4, the snap ring 24 is installed inside the placement groove 23 in a clamping manner, when the external thread cylinder 6 drives the driving ring 7 to rotate, the snap ring 24 and the needle 8 are not driven to rotate, and when the external thread cylinder 6 drives the driving ring 7 to move downwards along the self axis, the snap ring 24 and the needle 8 can be driven to move downwards, so that secondary accurate puncture of the needle 8 is completed.
Wherein, one side of the linkage block 22 facing the spring 13 is provided with an inclined plane, the number of the linkage block 22 and the reset groove 25 is four, the four linkage blocks 22 and the reset groove 25 are all distributed at equal angles, and the linkage block 22 can be overlapped with the reset groove 25 after rotating 45 degrees around the axis of the needle body 8;
the inclined plane of the linkage block 22 is used for contacting with the fixed ring 11 to drive the linkage block 22 and the telescopic column 20 to move towards the inside of the accommodating column 19, so that the fixed ring 11 can conveniently pass through the linkage block 22 downwards, and when being positioned below the linkage block 22, the limit clamping connection between the linkage block 22 and the fixed ring 11 is maintained through upward pressing of the first spring 13.
Wherein, the sealing ring 14 is positioned above the communicating pipe 5, the sealing ring 14 is made of rubber blocks, and the compression bar 9 is in interference fit with the inner annular surface of the sealing ring 14;
the communicating pipe 5 is responsible for externally connecting the breathing machine, after the puncture of the needle body 8 is in place, oxygen is provided through the breathing machine, and when the pressure rod 9 is inserted through the sealing ring 14, the pressure rod 9 is in interference fit with the inside of the sealing ring 14 in fact, so that the sealing effect of the inside of the needle cylinder 3 is maintained.
The limiting ring 12 and the first spring 13 are movably sleeved on the outer surface of the compression bar 9, and the limiting ring 12 is elastically supported on the top of the sealing ring 14 through the first spring 13;
the limiting ring 12 and the first spring 13 are responsible for pressing the fixing ring 11 upwards on one hand, driving the fixing ring 11, the pressing rod 9, the pressing block 10 and the sealing block 15 to reset, and then, when the fixing ring 11 moves to the position right below the linkage block 22, pressing the limiting ring 12 and the fixing ring 11 upwards to keep extrusion clamping connection between the fixing ring 11 and the linkage block 22.
The bottom of the supporting plate 1 is fixedly connected with a sleeve 2, a needle cylinder 3 is movably inserted into the inner walls of the supporting plate 1 and the sleeve 2, and the needle cylinder 3 is limited and supported at the top of the supporting plate 1 through a supporting ring 4;
the sleeve 2 is sleeved on the outer surface of the needle cylinder 3, so that the stability of the needle cylinder 3 when passing downwards through the inside of the supporting plate 1 is improved.
Wherein, the supporting plate 1 is made of plastic plate, and two sides of the bottom of the supporting plate 1 can be expanded and deformed outwards;
the bottom of the supporting plate 1 is vertically supported and distributed, so that a good and stable supporting function can be provided for the needle cylinder 3, and when different patients are faced, the supporting plate 1 can be deformed by pressing and is outwards expanded, and the initial depth of downward puncture of the needle body 8 is changed.
Wherein the air bag 17 is made of rubber blocks, the wall thickness of the air bag 17 is 2.5MM, and the air bag 17 is dumbbell-shaped with thick two sides and thin middle;
the dumbbell shape of the bladder 17 assists in storing gas which assumes an inflated support in its initial condition and creates positive pressure by increasing the pressure within the bladder 17 as the sealing block 15 moves downwardly.
Working principle and using flow:
firstly, a patient lies on a sickbed, a communicating pipe 5 is opened, a supporting plate 1 is placed above the neck of the patient, a needle cylinder 3 is taken up and penetrates through the supporting plate 1 and a sleeve 2 downwards, an external thread cylinder 6 is driven, a driving ring 7 and a needle body 8 are driven to move downwards, after the needle body 8 is aligned with the neck of the patient, the needle body 8 is penetrated downwards through the cricket of the patient, at the moment, the bottom of a supporting ring 4 is in limit contact with the top of the supporting plate 1, at the moment, the thumb of the hand holding the needle cylinder 3 of a user presses a pressing block 10 downwards, and drives a pressing rod 9, a fixing ring 11 and a sealing block 15 to move downwards, so that the sealing block 15 moves in a sealing way in the sealing cylinder 16, positive pressure is generated in the air bag 17 and the air bag 17 is inflated, the tip part of the needle body 8 penetrates through the cricket so that no air is discharged, and after the air bag 17 is inflated inwards, the air bag 16 is pushed upwards;
then, the other hand of the user holds and rotates the external thread cylinder 6, so that the external thread cylinder 6 drives the driving ring 7 to move downwards in the rotating process, the needle body 8 is driven to move downwards through the placing groove 23 and the clamping ring 24, the air bag 17 is pulled downwards, after the tip end part of the needle body 8 pierces the cricoid membrane of a patient, the tip end part is communicated with the inside of the trachea of the patient, and the positive pressure in the air bag 17 is released, at the moment, the finger counteracted by the pressing rod 9 and the pressing block 10 of the user is obviously reduced, the rotation of the external thread cylinder 6 is stopped, and the oxygen can be continuously supplied to the patient through the communicating pipe 5 and continuously ventilated, or the breathing machine is externally connected through the communicating pipe 5;
finally, the user can continuously press the pressing block 10 and the compression bar 9 downwards to drive the sealing block 15 to completely enter the air bag 17, the sealing of the sealing block 15 on the inner wall of the sealing cylinder 16 is released, the respiration of a patient is facilitated, the downward moving fixing ring 11 can drive the limiting ring 12 to move downwards and continuously compress the first spring 13, as shown in fig. 2 and 3, the fixing ring 11 is in contact with and extruded by the inclined surface of the linkage block 22 downwards, the linkage block 22 and the telescopic column 20 are driven to move towards the inside of the accommodating column 19 and compress the second spring 21, after the fixing ring 11 is moved to a position where the linkage block 22 is placed downwards, the linkage block 22 and the telescopic column 20 are reset under the action of the second spring 21, the top of the fixing ring 11 is in limiting contact with the bottom of the linkage block 22, the rebound force generated by compression of the first spring 13 drives the limiting ring 12 and the fixing ring 11 to be in limiting contact and extrusion with the linkage block 22, the fixing state of the fixing ring 11 is maintained, and the sealing block 15 is reset simply, after the use, the pressing block 10 can be rotated and the compression bar 9 and the fixing ring 11 are driven to rotate 45 degrees, and the linkage block 22 and the reset ring 25 can pass through the first spring 13 and the reset groove 11 to pass through the first spring 13.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a cricothyroid membrane pjncture needle, includes backup pad (1) and cylinder (3), the outward appearance fixed mounting of cylinder (3) has support ring (4), communicating pipe (5) are installed in the left side of cylinder (3), its characterized in that: the utility model discloses a syringe, including cylinder (3) and needle body, inner wall fixedly connected with sealing ring (14) and sealing tube (16) of cylinder (3), peg graft in the top of cylinder (3) has depression bar (9), the upper and lower both ends fixedly connected with briquetting (10) and sealing block (15) in proper order of depression bar (9), the surface fixed mounting of depression bar (9) has fixed ring (11) that are located cylinder (3) inner wall top, the top fixedly connected with spring (13) of sealing ring (14), the other end elastic connection of spring (13) has spacing ring (12), the bottom of sealing block (15) is interference fit in the upside of sealing tube (16) inner wall, the bottom fixedly connected with gasbag (17) of sealing tube (16), the bottom fixedly connected with needle body (8) of gasbag (17), the surface fixed mounting of needle body (8) has snap ring (24), the bottom screw thread of needle cylinder (3) surface has outer screw thread section of thick bamboo (6), the bottom fixedly connected with drive ring (7) of outer screw thread section of thick bamboo (6), needle body (8) snap ring (24) are through snap ring (7) internally mounted at the inside of moving ring (7).
2. A cricothyroid membrane puncture needle as recited in claim 1, wherein: clamping grooves (18) are formed in the upper side of the inner wall of the needle cylinder (3), accommodating columns (19) are fixedly mounted in the clamping grooves (18), telescopic columns (20) are movably inserted in the accommodating columns (19), no. two springs (21) are movably sleeved in the telescopic columns (20), two ends of each No. two spring (21) are respectively elastically connected with the telescopic columns (20) and the accommodating columns (19), the telescopic columns (20) are elastically supported in the accommodating columns (19) through the No. two springs (21), linkage blocks (22) are fixedly connected to one end of the outer side of each telescopic column (20), and reset grooves (25) are formed in the outer surface of each fixing ring (11).
3. A cricothyroid membrane puncture needle as recited in claim 1, wherein: the inner ring surface of the driving ring (7) is provided with a placing groove (23), and the clamping ring (24) is adaptively clamped in the placing groove (23).
4. A cricothyroid membrane puncture needle as recited in claim 2, wherein: the inclined plane has been seted up towards one side of spring (13) to linkage piece (22), the quantity of linkage piece (22) and return groove (25) is four, four linkage piece (22) and return groove (25) all are equiangular distribution, linkage piece (22) can coincide with return groove (25) after rotatory 45 around the axis of needle body (8).
5. A cricothyroid membrane puncture needle as recited in claim 1, wherein: the sealing ring (14) is located above the communicating pipe (5), the sealing ring (14) is made of rubber blocks, and the compression rod (9) is in interference fit with the inner ring surface of the sealing ring (14).
6. A cricothyroid membrane puncture needle as recited in claim 1, wherein: the limiting ring (12) and the first spring (13) are movably sleeved on the outer surface of the compression bar (9), and the limiting ring (12) is elastically supported at the top of the sealing ring (14) through the first spring (13).
7. A cricothyroid membrane puncture needle as recited in claim 1, wherein: the bottom of backup pad (1) fixedly connected with sleeve (2), cylinder (3) activity grafting is in the inner wall of backup pad (1) and sleeve (2), cylinder (3) are spacing to be supported in the top of backup pad (1) through supporting ring (4).
8. A cricothyroid membrane puncture needle as recited in claim 1, wherein: the support plate (1) is made of plastic plates, and two sides of the bottom of the support plate (1) can be expanded and deformed outwards.
9. A cricothyroid membrane puncture needle as recited in claim 1, wherein: the air bag (17) is made of rubber blocks, the wall thickness of the air bag (17) is 2.5MM, and the air bag (17) is dumbbell-shaped with thick two sides and thin middle.
CN202310104390.6A 2023-02-13 2023-02-13 Cricothyroid membrane puncture needle Active CN115844505B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310104390.6A CN115844505B (en) 2023-02-13 2023-02-13 Cricothyroid membrane puncture needle

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Application Number Priority Date Filing Date Title
CN202310104390.6A CN115844505B (en) 2023-02-13 2023-02-13 Cricothyroid membrane puncture needle

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CN115844505B true CN115844505B (en) 2023-06-16

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7373939B1 (en) * 2006-03-03 2008-05-20 Cardica, Inc. Tracheotomy procedure with integrated tool
US10293128B2 (en) * 2012-07-23 2019-05-21 University Of Maryland, Baltimore System and method for emergency apneic oxygenation
CN206044696U (en) * 2016-04-28 2017-03-29 中国人民解放军第五十九中心医院 It is disposably anti-error to wear thyrocricoid puncture device
CN209347850U (en) * 2017-08-21 2019-09-06 唐其权 A kind of medical surgical thyrocricocentesis assisted respirator
DE102020200502B4 (en) * 2020-01-16 2024-10-17 Vbm Medizintechnik Gmbh puncture coniotomy set
CN213189965U (en) * 2020-05-12 2021-05-14 西安大兴医院 Combined cricothyroid membrane puncture anesthesia device

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