CN210749298U - Puncture extraction device that can singlehanded control - Google Patents
Puncture extraction device that can singlehanded control Download PDFInfo
- Publication number
- CN210749298U CN210749298U CN201921156529.7U CN201921156529U CN210749298U CN 210749298 U CN210749298 U CN 210749298U CN 201921156529 U CN201921156529 U CN 201921156529U CN 210749298 U CN210749298 U CN 210749298U
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- Prior art keywords
- needle
- puncture
- needle cylinder
- air bag
- needle head
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- 238000000605 extraction Methods 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 210000000959 ear middle Anatomy 0.000 description 15
- 206010033078 Otitis media Diseases 0.000 description 6
- 208000005923 otitis media with effusion Diseases 0.000 description 6
- 208000024036 serous otitis media Diseases 0.000 description 6
- 210000003454 tympanic membrane Anatomy 0.000 description 5
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 210000003811 finger Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 210000002388 eustachian tube Anatomy 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 208000033809 Suppuration Diseases 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010008660 Cholesterol granuloma Diseases 0.000 description 1
- 206010011878 Deafness Diseases 0.000 description 1
- 206010015544 Eustachian tube obstruction Diseases 0.000 description 1
- 241001484259 Lacuna Species 0.000 description 1
- 206010034686 Peritonsillar abscess Diseases 0.000 description 1
- 206010067781 Pharyngeal abscess Diseases 0.000 description 1
- 206010045210 Tympanic Membrane Perforation Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 201000008413 cholesteatoma of middle ear Diseases 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003862 glucocorticoid Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000010370 hearing loss Effects 0.000 description 1
- 231100000888 hearing loss Toxicity 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 208000027866 inflammatory disease Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 208000037920 primary disease Diseases 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a puncture draw-out device that can singlehanded control, this draw-out device include syringe needle subassembly, cylinder subassembly and extraction operation subassembly. The needle head component comprises a puncture needle head and a needle head sleeve and is mainly used for puncturing a focus area and further cutting, discharging pus and enlarging a wound; the needle cylinder component comprises a needle cylinder, a locking seat and a sealing cover, wherein the top of the needle cylinder is fixedly connected with the puncture needle head through the locking seat, the center of the locking seat is provided with a through hole, and the through hole is used for communicating a cavity of the needle cylinder with the puncture needle head and is mainly used for storing pus extracted from a focus area; the extraction operation assembly comprises a protective shell, an air bag and a press switch, and a negative pressure environment is formed in the air bag through the matching effect of the air bag and the press switch, so that pus is extracted from a focus area. The utility model discloses not only convenient to use, the operation is stable moreover. In the clinical examination operation, the puncture extraction can be operated by one hand, and the extraction of the liquid at the focus part is controlled by the one-hand operation of a switch.
Description
Technical Field
The utility model belongs to puncture draw-out device field, especially a puncture draw-out device that can singlehanded control.
Background
Secretory otitis media and peritonsillar abscess are common and frequently encountered diseases in clinic, and the operation of puncture liquid extraction for clinical diagnosis and treatment of the two diseases is wide.
At present, the traditional syringe is adopted for puncture and liquid extraction clinically, the operation is carried out by two hands, the operation technical requirement is higher, the stability is not good, and certain difficulty exists in the operation of doctors in low-age. Particularly, for puncturing secretory otitis media, a 1ml syringe needle tube and a 5ml syringe needle head are matched for puncturing. In the ordinary puncture process, after the puncture into the corresponding cavity is confirmed, the fixed needle tube is changed by hand, and the superior hand is used for withdrawing. In the process, the operation part is not exposed clearly, the needle tip is easy to displace by replacing two hands, the puncture is possibly failed due to the fact that the needle is pulled out of the lacuna and damages surrounding tissues, deep tissues are possibly damaged due to the fact that the needle is inserted deeply, complications such as bleeding and the like are caused, particularly, tympanic membrane puncture is carried out during secretory otitis media, the tympanic membrane perforation is easy to damage due to the fact that the coronal plane of the needle tip displaces, and healing in the future is affected. The invention aims to solve the technical difficulty of the operation by independently operating the puncture liquid taking with one hand, avoid complications caused by instability in the operation as much as possible and simultaneously complete the one-time retention of the specimen. In addition, to the patient that need further to open tympanic membrane row and put the catheterization or pharyngeal abscess continues to open the pus of discharging, this patent uses the principle of trocar for the needle point anterior segment has the cutting effect, can enlarge the puncture point and reach the purpose of cutting under the prerequisite of not changing operating device, reduces the repeatability of operation, shortens operating time, alleviates patient's misery, and reduces the damage of apparatus to chamber route as far as possible.
The types of the required cannula and trocar are different according to different diseases and different puncture parts, but the operation principles and the like are consistent.
Disclosure of Invention
An object of the utility model is to provide a puncture draw-out device that can singlehanded control makes the puncture drawing liquid have the characteristics of convenience, stability and accuracy.
Realize the utility model discloses the technical solution of purpose does:
a puncture extraction device capable of being operated by a single hand, which is characterized by comprising a needle head component, a needle cylinder component and an extraction operation component, wherein:
the needle head assembly comprises a puncture needle head and a needle head sleeve, and the needle head sleeve is sleeved outside the needle head;
the needle cylinder component comprises a needle cylinder, a locking seat and a sealing cover, wherein the top of the needle cylinder is fixedly connected with the puncture needle head through the locking seat, and the bottom of the needle cylinder is provided with the sealing cover; the center of the locking seat is provided with a through hole which communicates the cavity of the needle cylinder with the puncture needle head;
the extraction operation assembly comprises a protective shell, an air bag and a press switch; one side of the protective shell is fixed on the outer wall of the needle cylinder, the other side of the protective shell is provided with a press switch, the protective shell, the outer wall of the needle cylinder and the press switch form a sealed cavity, an air bag is arranged in the cavity, a first one-way valve and a second one-way valve are arranged on the air bag, the first one-way valve is connected into the cavity of the needle cylinder through an air duct, and the second one-way valve penetrates through the protective shell through the air duct to be; the first one-way valve is used for enabling gas in the needle cylinder cavity to enter the air bag in a one-way mode, and the second one-way valve is used for enabling the gas in the air bag to enter the atmosphere in a one-way mode; the push switch is used for generating a pressing force to the air bag.
Furthermore, the press switch generates elastic deformation through external force operation, and restores the original shape after generating extrusion force to the air bag.
Further, the pressing direction of the press switch in the extraction operation assembly is perpendicular to the central axis of the syringe, and the vertical distance from the press switch to the top of the syringe is 1/3 the length of the syringe.
Furthermore, the locking seat is provided with a first limiting step and a second limiting step, the first limiting step is directly connected with the top of the needle cylinder, the radiuses of the needle cylinder, the first limiting step and the second limiting step are decreased progressively, the needle head is sleeved on the outer side of the first limiting step and limited by the top of the needle cylinder, the puncture needle head is fixed on the first limiting step, and the fixed end of the puncture needle head is limited by the first limiting step.
Furthermore, the outside cover of cylinder has anti-skidding cover, and anti-skidding cover is located and extracts between the sealed lid of operating element and cylinder bottom.
Furthermore, the outer wall of the needle cylinder is provided with scale marks.
Furthermore, the puncture needle head adopts a hollow rod made of stainless steel metal, and the tail end, namely the puncture end, is a beveled cutting edge.
Compared with the prior art, the utility model, it is showing the advantage and is: (1) convenience: the puncture extraction can be operated by a single hand, and the extraction of liquid is controlled by the single-hand operation of a control switch; (2) stability: the needle cylinder is provided with the anti-slip pad, so that fingers can be conveniently gripped during single-hand operation, and the overall stability is ensured;
drawings
Fig. 1 is a schematic structural view of the puncture extraction device that can be operated by one hand.
The attached drawings are as follows: the syringe comprises a needle 1, a needle cover 2, a needle cylinder 3, a sealing cover 4, a locking seat 5, a protective shell 6, an air bag 7, a first check valve 8, a second check valve 9, a press switch 10, an anti-skid sleeve 11 and scale marks 12.
Detailed Description
Secretory otitis media is a non-suppurative inflammatory disease of the middle ear characterized by effusion and hearing loss in the middle ear. For normal tympanic patients, the eustachian tube is the only conduit for communication of the middle ear with the external environment. Eustachian tube obstruction is a significant cause of secretory otitis media. Normally, the pressure inside and outside the middle ear is substantially equal. When the eustachian tube has ventilation dysfunction due to various reasons, the gas in the middle ear is absorbed by the mucous membrane, negative pressure occurs in the middle ear, so that the mucous membrane of the middle ear is subjected to venous expansion, the permeability is increased, and serum leaks and accumulates in the middle ear, thereby forming effusion in the middle ear. The treatment principle is to actively treat the primary disease and the adjacent focus, remove the cause of disease, improve the ventilation function of the eustachian tube, balance and eliminate the negative pressure condition in the tympanum of the middle ear, smoothly drain effusion in the tympanum and prevent the occurrence of tympanum adhesion, cholesteatoma of the middle ear and cholesterol granuloma. The tympanic membrane puncture liquid-drawing treatment method is a conventional treatment method, can effectively remove effusion in the middle ear and improve ventilation of the middle ear. If necessary, puncturing can be repeated, or glucocorticoid medicine can be injected after liquid is pumped.
In this embodiment, a specific operation mode of the puncturing and extracting device which can be operated by one hand is described by taking a tympanostomy treatment means of secretory otitis media as an example. In this example, the syringe 1 had a volume of 1mL, the length of the syringe 1 was 10cm, the effective stroke was 58mm, the inner diameter was 4.685mm, the puncture length was 10cm, the inner diameter was 5mm, and the puncture needle 5 had a length of 4cm and an inner diameter of 0.4 mm.
With reference to fig. 1, the utility model relates to a puncture extracting device that can be controlled by one hand, including syringe needle subassembly, cylinder subassembly and extraction operation subassembly, wherein:
the needle head assembly comprises a puncture needle head 1 and a needle head cover 2, and the needle head cover 2 is sleeved outside the needle head 1;
the needle cylinder component comprises a needle cylinder 3, a locking seat 5 and a sealing cover 4, wherein the top of the needle cylinder 3 is fixedly connected with the puncture needle head 1 through the locking seat 5, and the bottom of the needle cylinder 3 is provided with the sealing cover 4; the center of the locking seat 5 is provided with a through hole which communicates the cavity of the needle cylinder 3 with the puncture needle head 1;
the extraction operation assembly comprises a protective shell 6, an air bag 7 and a push switch 10; one side of the protective shell 6 is fixed on the outer wall of the needle cylinder 3, the other side of the protective shell is provided with a press switch 10, the protective shell 6, the outer wall of the needle cylinder 3 and the press switch 10 form a sealed cavity, an air bag 7 is arranged in the cavity, a first one-way valve 8 and a second one-way valve 9 are arranged on the air bag 7, the first one-way valve 8 is connected into the cavity of the needle cylinder 3 through an air duct, and the second one-way valve 9 penetrates through the protective shell 6 through the air duct to be; the first one-way valve 8 is used for enabling gas in the cavity of the needle cylinder 3 to enter the air bag 7 in a one-way mode, and the second one-way valve 9 is used for enabling the gas in the air bag 7 to enter the atmosphere in a one-way mode; the push switch 10 is used for generating a pressing force to the airbag 7;
furthermore, the press switch generates elastic deformation through external force operation, and restores the original shape after generating extrusion force to the air bag.
Further, the pressing direction of the press switch in the extraction operation assembly is perpendicular to the central axis of the syringe, and the vertical distance from the press switch to the top of the syringe is 1/3 the length of the syringe.
Furthermore, the locking seat is provided with a first limiting step and a second limiting step, the first limiting step is directly connected with the top of the needle cylinder, the radiuses of the needle cylinder, the first limiting step and the second limiting step are decreased progressively, the needle head is sleeved on the outer side of the first limiting step and limited by the top of the needle cylinder, the puncture needle head is fixed on the first limiting step, and the fixed end of the puncture needle head is limited by the first limiting step.
Furthermore, the outside cover of cylinder has anti-skidding cover, and anti-skidding cover is located and extracts between the sealed lid of operating element and cylinder bottom.
Furthermore, the outer wall of the syringe is provided with scale marks which respectively mark 0 mL, 0.25mL, 0.5mL, 0.75mL and 1 mL.
Furthermore, the puncture needle head adopts a hollow rod made of stainless steel metal, and the tail end, namely the puncture end, is a beveled cutting edge.
A puncture extraction device which can be controlled by a single hand for tympanic membrane puncture liquid extraction comprises the following specific steps:
step 1, a treating doctor sits on the patient side, the left hand exposes the operation cavity of the patient to achieve a good visual field, the right fingers hold the anti-slip pads 11 arranged on the two sides of the syringe 1 to keep the finger holding posture, and the needle cover 2 is taken off.
And 2, inserting the puncture needle head 1 of the puncture extraction device into the focus position to be punctured, if pus discharging and wound expanding are needed to be further cut, cutting the mucosa along the puncture point by utilizing the cutting edge cutting force on the side surface of the needle head 1, and observing the entering scale to prevent unnecessary damage caused by too deep puncture.
And 3, after the syringe is fixed, the left hand continuously exposes the visual field, the right hand forefinger presses the switch 10, the air bag 7 is compressed and deformed by extrusion force, air in the air bag 7 is discharged to the atmosphere through the second one-way valve 9, and at the moment, the air bag presents a negative pressure environment.
And 4, loosening the press switch 10 by the index finger of the right hand, restoring the original shape of the air bag 7 after elastic deformation, driving the gas in the needle cylinder 3 to flow into the air bag 7 through the first one-way valve 8, and simultaneously sucking the liquid in the tympanic membrane at the focus position into the needle cylinder 3 under the action of negative pressure in the needle cylinder 3.
And 5, repeating the steps 3-4, removing the puncture extraction device from the focus area after enough liquid is reserved, and sleeving the needle head sleeve 2 on the needle head 1.
Claims (7)
1. A puncture extraction device capable of being operated by a single hand, which is characterized by comprising a needle head component, a needle cylinder component and an extraction operation component, wherein:
the needle head assembly comprises a puncture needle head (1) and a needle head cover (2), and the needle head cover (2) is sleeved outside the needle head (1);
the needle cylinder component comprises a needle cylinder (3), a locking seat (5) and a sealing cover (4), wherein the top of the needle cylinder (3) is fixedly connected with the puncture needle head (1) through the locking seat (5), and the sealing cover (4) is arranged at the bottom of the needle cylinder (3); a through hole is arranged in the center of the locking seat (5), and the cavity of the needle cylinder (3) is communicated with the puncture needle head (1) through the through hole;
the extraction operation assembly comprises a protective shell (6), an air bag (7) and a press switch (10); one side of the protective shell (6) is fixed on the outer wall of the needle cylinder (3), the other side of the protective shell is provided with a press switch (10), the protective shell (6), the outer wall of the needle cylinder (3) and the press switch (10) form a sealed cavity, an air bag (7) is arranged in the cavity, a first one-way valve (8) and a second one-way valve (9) are arranged on the air bag (7), the first one-way valve (8) is connected into the cavity of the needle cylinder (3) through an air duct, and the second one-way valve (9) penetrates through the protective shell (6) through the air duct to be; the first one-way valve (8) is used for enabling gas in the cavity of the needle cylinder (3) to enter the air bag (7) in a one-way mode, and the second one-way valve (9) is used for enabling the gas in the air bag (7) to enter the atmosphere in a one-way mode; the push switch (10) is used for generating a pressing force to the air bag (7).
2. A one-handed puncture extraction device according to claim 1, wherein the push switch (10) is elastically deformed by an external force to generate a pressing force to the air bag (7) and then returns to its original shape.
3. The one-handed lancing and extracting device according to claim 1, wherein the depression direction of the push switch (10) in the extracting operation assembly is perpendicular to the central axis of the syringe (3), and the vertical distance from the push switch (10) to the top of the syringe (3) is 1/3 of the length of the syringe (3).
4. The device for puncturing and extracting according to claim 1, 2 or 3, wherein the locking seat (5) is provided with a first limit step and a second limit step, the first limit step is directly connected with the top of the syringe (3), the radii of the syringe (3), the first limit step and the second limit step decrease progressively, the needle cover (2) is sleeved outside the first limit step and is limited by the top of the syringe (3), the puncturing needle (1) is fixed on the first limit step, and the fixed end of the puncturing needle (1) is limited by the first limit step.
5. A single-hand operated puncture extracting device according to claim 1, 2 or 3, wherein the outer side of the needle cylinder (3) is sleeved with an anti-slip sleeve (11), and the anti-slip sleeve (11) is positioned between the extracting operation component and the sealing cover (4) at the bottom of the needle cylinder (3).
6. A single-handed puncture extraction device according to claim 1, 2 or 3, wherein the outer wall of the needle cylinder (3) is provided with graduation marks (12).
7. A single-handed puncture extracting device according to claim 1, 2 or 3, wherein the puncture needle (1) is a hollow rod made of stainless steel, and the end, i.e. the puncture end, is a beveled cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921156529.7U CN210749298U (en) | 2019-07-22 | 2019-07-22 | Puncture extraction device that can singlehanded control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921156529.7U CN210749298U (en) | 2019-07-22 | 2019-07-22 | Puncture extraction device that can singlehanded control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210749298U true CN210749298U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921156529.7U Expired - Fee Related CN210749298U (en) | 2019-07-22 | 2019-07-22 | Puncture extraction device that can singlehanded control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210749298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111743580A (en) * | 2020-07-07 | 2020-10-09 | 河南科技大学第一附属医院 | Puncture sampling equipment for gynecological tumor |
-
2019
- 2019-07-22 CN CN201921156529.7U patent/CN210749298U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111743580A (en) * | 2020-07-07 | 2020-10-09 | 河南科技大学第一附属医院 | Puncture sampling equipment for gynecological tumor |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |