CN208799296U - A kind of cricothyroid membrane puncture needle - Google Patents
A kind of cricothyroid membrane puncture needle Download PDFInfo
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- CN208799296U CN208799296U CN201820699205.7U CN201820699205U CN208799296U CN 208799296 U CN208799296 U CN 208799296U CN 201820699205 U CN201820699205 U CN 201820699205U CN 208799296 U CN208799296 U CN 208799296U
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- puncture needle
- puncture
- needle
- cricothyroid membrane
- core
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Abstract
The utility model provides a kind of cricothyroid membrane puncture needle, including puncturing needle tubing and puncture needle core, puncture needle core is located in the cavity punctured in needle tubing, the puncture needle tubing includes puncture portion, transition part and the fixed part being sequentially communicated from front to back, puncture portion outer end is equipped with cutting-edge structure, the puncture needle core needle point is pierced by the cutting-edge structure in puncture portion and is smoothly closely connected with the cutting-edge structure, and the transition part is equipped with position-limit mechanism, and the penetration length in puncture portion is limited by adjusting position-limit mechanism.A kind of cricothyroid membrane puncture needle described in the utility model, the penetration length in puncture portion is adjusted by the position-limit mechanism, prevent from being inserted into due to puncture portion causes to puncture opposite side tracheal wall very much deeply, the case where even causing the severe complications such as tracheoesophageal fistula generation, the design is easy to use and significant effect, can reduction of patient quickly expiratory dyspnea situation, striven for opportunity for rescue in time.
Description
Technical field
The utility model belongs to medical instruments field, more particularly, to a kind of cricothyroid membrane puncture needle.
Background technique
Cricothyroid membrane puncture needle is suitable for acute laryngeal obstruction, especially vocal area obstruction, severe dyspnea, has little time to establish
The patient of artificial airway can implement rapidly thyrocricocentesis, to alleviate expiratory dyspnea.Since people is suffocating 4~6 minutes just
Understanding stop jumping is stopped, and irreversible lesion occurs in brain[1], and go forward side by side if medical staff cannot reach within the so short time
Row processing, the chance that patient can survive is with regard to very little, so rescue at this time must seize every minute and second, preferably Non-medical-staff
Also it can operate, this requires the necessary easy to use and significant effects of cricothyroid membrane puncture needle, are on the scene in this way in medical staff
The expiratory dyspnea of energy reduction of patient before.Cricothyroid membrane puncture needle is mostly casing pin type at present: i.e. built-in sharp property puncture needle, housing
Plastic ventilation conduit, in use, puncture needle and outer tube need to be firmly pushed, disadvantage is that: 1. because puncture needle is inserted into
Deep-controlled bad, insertion is too deep to be caused to puncture opposite side tracheal wall, damage ring first film, or even cause tracheoesophageal fistula etc. seriously simultaneously
The case where sending out disease.2. being felt after falling through sense in puncture process, puncture needle need to be determined whether in gas with syringe pumpback air
In pipe, rescue opportunity may be delayed, and increase the chance of patient respiration road infection.3. puncture needle has a single function, using not
Enough simplicity.
Summary of the invention
In view of this, the utility model is directed to a kind of cricothyroid membrane puncture needle, the of row thyrocricocentesis is being needed
One time was implemented by Field Force, and was guaranteed the validity of operation, reduced accidental injury rate, and give emergency treatment to a patient life to greatest extent.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of cricothyroid membrane puncture needle, including needle tubing and puncture needle core are punctured, puncture needle core is located at the cavity punctured in needle tubing
It is interior, and puncture needle core and puncture needle tubing are detachably connected, the puncture needle tubing includes the puncture portion being sequentially communicated from front to back, mistake
Cross portion and fixed part, puncture portion outer end is equipped with cutting-edge structure, the puncture needle core needle point be pierced by the cutting-edge structure in puncture portion and with
The cutting-edge structure is smoothly closely connected, and the transition part is equipped with position-limit mechanism, limits wearing for puncture portion by adjusting position-limit mechanism
Pierce length.
Further, the position-limit mechanism includes threaded sleeve and baffle, and threaded sleeve and transition part are threadedly coupled, described
Baffle is equipped with through-hole between two parties, and baffle is fixedly set in one end that threaded sleeve closed on puncture portion cutting-edge structure by the through-hole.
Further, the threaded sleeve and transition part are respectively transparent pipe, and the threaded sleeve outer surface is along its axis
Line direction is equipped with length scale ruler.
Further, the baffle both ends are each provided with fixation hole.
Further, the puncture portion is remaining needle cannula structure.
Further, the fixed part is socket plug structure.
Further, the fixed part tube wall is equipped with the medicine-pouring pipe being connected to its inner cavity.
Further, the puncture needle core is pipe structure, which is connected with the hose being connected to its inner cavity,
Hose is equipped with tongs, which is connected with negtive-pressure implement.
Further, the puncture needle core rear end is equipped with and holds needle handle, this is held needle handle and is located at outside puncture needle tubing.
Further, the puncture portion is set with shield needle cap.
Compared with the existing technology, a kind of cricothyroid membrane puncture needle described in the utility model has the advantage that
A kind of cricothyroid membrane puncture needle described in the utility model is provided with position-limit mechanism in its transition part, passes through the limit
The penetration length in institutional adjustment puncture portion, operator can wear according to patient airway position and its pipe diameter size setting as a result,
Length is pierced, prevent from being inserted into due to puncture portion causes very much to puncture opposite side tracheal wall deeply, damages ring first film, or even cause tracheoesophageal fistula
The case where equal severe complications, occurs, and the design is easy to use and significant effect, can reduction of patient quickly expiratory dyspnea shape
Condition has striven for opportunity for rescue in time.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of cricothyroid membrane puncture needle structural schematic diagram；
Fig. 2 is neck fixing belt structural schematic diagram.
Description of symbols:
1- fixed part；2- transition part；
3- puncture portion；4- puncture needle core；
41- holds needle handle；42- pedestal；
5- threaded sleeve；51- graduated scale；
6- baffle；61- fixation hole；
7- medicine-pouring pipe；8- negtive-pressure implement；
9-PVC hose；10- tongs；
11- protects needle cap；12- fixes band body；
13- magic tape；101- protrusion；
Hole is used in 42- clamping.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of cricothyroid membrane puncture needle, including needle tubing and puncture needle core 4 are punctured, puncture needle core 4, which is located at, to be punctured
In cavity in needle tubing, puncture needle core 4 and puncture needle tubing are detachably connected, to facilitate operation, puncturing convenient for holding this puncture needle
The pedestal 42 of 4 tail end of needle core is equipped with and holds needle handle 41, and holding needle handle 41 is that PVC holds needle handle, this is held needle handle 41 and is located at outside puncture needle tubing, this
In embodiment, 4 tail end of puncture needle core and puncture needle tubing tail end can be threadedly coupled, which punctures convenient for fixed
4 position of needle core, while puncture needle core 4 is facilitated removal of after the completion of puncturing, broken line is equipped between needle handle 41 and pedestal 42 alternatively, holding, folding
Along the axial setting of puncture needle core 4, holding needle handle 41 can bend line along the broken line, meanwhile, needle handle 41 is held equipped with clamping hole 42, is being worn
Pricker tube wall outer surface is equipped with and the clamping hole 42 matched raised 101, under conventional sense, holds needle handle 41 and puncture needle
Pipe is stationary state, that is, holds needle handle 41 and clamp fixation by the protrusion 101 and clamping hole 42, realizes 4 He of puncture needle core
The fixation for puncturing needle tubing, is punctured at this time, and after the completion of puncture, releasing is held needle handle 41 and connected with the clamping for puncturing needle tubing, then
Puncture needle core 4 is directly removed by puncture needle tubing tail end, in the present embodiment, the puncture needle tubing includes from front to back successively
Puncture portion 3, transition part 2 and the fixed part 1 of connection, wherein fixed part 1 be socket plug structure, convenient for and ventilator gas outlet or
The quick grafting of air bag, the puncture portion 3 are remaining needle cannula structure, and external activity, which is set with, protects needle cap 11, outside puncture portion 3
End is equipped with cutting-edge structure, and 4 needle point of puncture needle core is pierced by the cutting-edge structure in puncture portion 3 and smoothly closely holds in the mouth with the cutting-edge structure
It connects, that is, 3 cavity wall of puncture portion and 4 outer wall of puncture needle core are close to, the 4 needle point mistake of cutting-edge structure and puncture needle core in puncture portion 3
It crosses smoothly, guarantees that puncture is smooth, the transition part 2 is equipped with position-limit mechanism, and the puncture in puncture portion 3 is limited by adjusting position-limit mechanism
Length.The present embodiment specific implementation process is that penetration length is preset in position and its pipe diameter size according to patient airway, is passed through
Position-limit mechanism sets 3 penetration length of puncture portion and is equal to the default penetration length, and then operator is using the puncture needle to patient's gas
Pipe punctures, and after puncturing successfully, puncture needle core 4 is removed by puncture needle tubing tail end, i.e. completion puncture movement, at this point, this is punctured
Needle fixes, and punctures needle tubing connection ventilator or air bag, completes the first aid to patient.
In the present embodiment, the position-limit mechanism includes threaded sleeve 5 and baffle 6, and threaded sleeve 5 and 2 screw thread of transition part connect
It connects, the baffle 6 is equipped with through-hole between two parties, and baffle 6 is fixedly set in threaded sleeve 5 by the through-hole and closed on 3 tip of puncture portion
One end of structure drives baffle 6 to move by moving axially threaded sleeve 5 along transition part 2, baffle 6 and 4 needle point of puncture needle core away from
From variation, practical penetration length is equal to 3 entire length of puncture portion and subtracts distance between 3 tail end of the baffle 6 and puncture portion, is achieved in
Puncture portion 3 practical penetration length is adjusted by adjusting 6 axial position of baffle.
In the present embodiment, the threaded sleeve 5 and transition part 2 are respectively transparent pipe, the 5 outer surface edge of threaded sleeve
Wherein axis direction is equipped with length scale ruler 51, adjusts baffle 6 and 3 relative position of puncture portion by axial movement threaded sleeve 5,
Its principle is, after 5 position of threaded sleeve is fixed, 3 tail end of puncture portion, that is, 2 connection face of puncture portion 3 and transition part
The a certain scale value of graduated scale 51 sets penetration length according to the scale value numerical value, Clinical anatomic statistics indicate that, thyrocricocentesis
Minimum depth of needle: the thickness of skin to ring first film inner face mucous membrane is (7.0 ± 0.5) mm along with the length of needle point；Ring
The maximum depth of needle of first membrane puncture: the thickness of skin to ring first film inner face mucous membrane adds the interior sagittal electrical path length of annular cartilage,
For (28.6 ± 2.5) mm, accordingly this product by adjust threaded sleeve 5 and transition part 2 adjust paracentesis depth 7~30mm it
Between, therefore, 51 numerical value indicating value of graduated scale can be set as 7mm-30mm sections, when to guarantee minimum penetration length, threaded sleeve 5 and mistake
The threaded connection of portion 2 is crossed, to guarantee 6 stability of baffle, in the present embodiment, 5 entire length of threaded sleeve is greater than 28mm, for side
Just it reads, by 6 outermost end of baffle, that is, the one end at its 3 tip of face puncture portion is set as graduated scale maximum indicating value, i.e. numerical value
In 5 other end of threaded sleeve, 2 connection of puncture portion 3 and transition part, i.e., 30mm, graduated scale minimum indicating value, that is, numerical value 7mm are arranged
3 tail end face graduated scale of puncture portion, 51 scale indicating value is 3 penetration length of puncture portion, for example, when 3 tail end face of puncture portion is kept off
When 6 outer end of piece, that is, when 3 tail end face threaded sleeve of puncture portion, 5 high scale ruler 30mm indicating value, penetration length longest, as
30mm, as 3 entire length of puncture portion；Outside turn threaded sleeve 5, as the 7mm of 3 tail end face graduated scale of puncture portion, this
When penetration length it is most short, as 7mm；When patient selects penetration length as 18mm, outside turn threaded sleeve 5 is only needed, until
3 tail end face graduated scale 18mm indicating value of puncture portion, the penetration length are to set penetration length.
In the present embodiment, 6 both ends of baffle are each provided with fixation hole 61, after puncturing successfully, using neck as shown in Figure 2
Portion's fixing belt is fixed, and neck fixing belt includes fixed band body 12, which is respectively provided with a magic tape
13, when fixed, by neck after the fixed abutting of band body 12 patient, magic tape 13 is respectively passed through to a fixation hole 61 of baffle 6,
Then magic tape 13 is respectively bonding, this puncture needle is fixed.
In the present embodiment, 1 tube wall of fixed part is equipped with the medicine-pouring pipe 7 being connected to its inner cavity, is given by this medicine-pouring pipe 7
The necessary drug of patient.
In the present embodiment, the puncture needle core 4 is pipe structure, which is connected with is connected to its inner cavity
PVC hose 9, the PVC hose 9 are equipped with tongs 10, which is connected with negtive-pressure implement 8；Negtive-pressure implement 8 uses lower negative pressure
Aspirator structure, such as driven pressure reducer for gastrointestinal tract structure before puncture, clamp PVC hose 9 with tongs 10, guarantee 8 air inlet of negtive-pressure implement
It closes, opens 8 exhaust outlet of negtive-pressure implement, air in negtive-pressure implement is discharged artificial push, and closes exhaust outlet, after the completion of puncture, opens
Tongs 10, if puncturing successfully, human lung's gas is filled with negtive-pressure implement 8 by puncture needle core 4 and PVC hose 9, therefore passes through
Observation negtive-pressure implement variation judges whether paracentesis depth is accurate, if negtive-pressure implement 8 is because of inflatable open, paracentesis depth is accurate, if negative pressure
Device does not react, and illustrates that paracentesis depth is wrong, puncture failure.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of cricothyroid membrane puncture needle, it is characterised in that: including puncturing needle tubing and puncture needle core (4), puncture needle core (4), which is located at, is worn
In cavity in pricker pipe, and puncture needle core (4) and puncture needle tubing be detachably connected, the punctures needle tubing including from front to back according to
Puncture portion (3), transition part (2) and the fixed part (1) of secondary connection, puncture portion (3) outer end are equipped with cutting-edge structure, the puncture needle core
(4) needle point is pierced by the cutting-edge structure in puncture portion (3) and is smoothly closely connected with the cutting-edge structure, and the transition part (2) is equipped with limit
Position mechanism, the penetration length of puncture portion (3) is limited by adjusting position-limit mechanism.
2. a kind of cricothyroid membrane puncture needle according to claim 1, it is characterised in that: the position-limit mechanism includes threaded sleeve
(5) and baffle (6), threaded sleeve (5) and transition part (2) are threadedly coupled, and the baffle (6) is equipped with through-hole between two parties, and baffle (6) is logical
It crosses the through-hole and is fixedly set in one end that threaded sleeve (5) closed on puncture portion (3) cutting-edge structure.
3. a kind of cricothyroid membrane puncture needle according to claim 2, it is characterised in that: the threaded sleeve (5) and transition part
It (2) is respectively transparent pipe, threaded sleeve (5) outer surface is axially arranged with length scale ruler (51) along it.
4. a kind of cricothyroid membrane puncture needle according to claim 2, it is characterised in that: baffle (6) both ends are each provided with
Fixation hole.
5. a kind of cricothyroid membrane puncture needle according to claim 1, it is characterised in that: the puncture portion (3) is Injector Bushing
Pipe structure.
6. a kind of cricothyroid membrane puncture needle according to claim 1, it is characterised in that: the fixed part (1) is connection-peg knot
Structure.
7. a kind of cricothyroid membrane puncture needle according to claim 1, it is characterised in that: fixed part (1) tube wall be equipped with and
The medicine-pouring pipe (7) of its inner cavity connection.
8. a kind of cricothyroid membrane puncture needle according to claim 1, it is characterised in that: the puncture needle core (4) is pipe structure,
Puncture needle core (4) rear end is connected with the PVC hose (9) being connected to its inner cavity, and PVC hose (9) is equipped with tongs (10), should
PVC hose (9) outer end is connected with negtive-pressure implement (8).
9. a kind of cricothyroid membrane puncture needle according to claim 1, it is characterised in that: puncture needle core (4) rear end is equipped with
Needle handle (41) are held, this is held needle handle (41) and is located at outside puncture needle tubing.
10. a kind of cricothyroid membrane puncture needle according to claim 1, it is characterised in that: the puncture portion (3) is set with shield needle
Cap (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820699205.7U CN208799296U (en) | 2018-05-11 | 2018-05-11 | A kind of cricothyroid membrane puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820699205.7U CN208799296U (en) | 2018-05-11 | 2018-05-11 | A kind of cricothyroid membrane puncture needle |
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| Publication Number | Publication Date |
|---|---|
| CN208799296U true CN208799296U (en) | 2019-04-30 |
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ID=66224417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820699205.7U Active CN208799296U (en) | 2018-05-11 | 2018-05-11 | A kind of cricothyroid membrane puncture needle |
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| Country | Link |
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| CN (1) | CN208799296U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110326A (en) * | 2019-12-30 | 2020-05-08 | 陈加胜 | Puncture needle special for cricothyroid membrane puncture |
| CN111938766A (en) * | 2020-07-27 | 2020-11-17 | 昆明医科大学第一附属医院 | Puncture device for emergency internal medicine |
| CN112842486A (en) * | 2021-01-26 | 2021-05-28 | 北京大学深圳医院 | Percutaneous injecting device for stem cells in intervertebral disc |
| CN118000862A (en) * | 2024-04-09 | 2024-05-10 | 北京大学口腔医学院 | Cricothyroid membrane puncture medicine injection equipment |
-
2018
- 2018-05-11 CN CN201820699205.7U patent/CN208799296U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110326A (en) * | 2019-12-30 | 2020-05-08 | 陈加胜 | Puncture needle special for cricothyroid membrane puncture |
| CN111938766A (en) * | 2020-07-27 | 2020-11-17 | 昆明医科大学第一附属医院 | Puncture device for emergency internal medicine |
| CN112842486A (en) * | 2021-01-26 | 2021-05-28 | 北京大学深圳医院 | Percutaneous injecting device for stem cells in intervertebral disc |
| CN118000862A (en) * | 2024-04-09 | 2024-05-10 | 北京大学口腔医学院 | Cricothyroid membrane puncture medicine injection equipment |
| CN118000862B (en) * | 2024-04-09 | 2024-06-21 | 北京大学口腔医学院 | Cricothyroid membrane puncture medicine injection equipment |
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