CN111248983A - Lung positioning needle similar to syringe structure - Google Patents
Lung positioning needle similar to syringe structure Download PDFInfo
- Publication number
- CN111248983A CN111248983A CN202010204523.3A CN202010204523A CN111248983A CN 111248983 A CN111248983 A CN 111248983A CN 202010204523 A CN202010204523 A CN 202010204523A CN 111248983 A CN111248983 A CN 111248983A
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- Prior art keywords
- injection
- sheath
- positioning needle
- fixedly connected
- lung
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- 210000004072 lung Anatomy 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 95
- 239000007924 injection Substances 0.000 claims abstract description 95
- 210000005239 tubule Anatomy 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 208000020816 lung neoplasm Diseases 0.000 description 6
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 5
- 210000003811 finger Anatomy 0.000 description 5
- 201000005202 lung cancer Diseases 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000002685 pulmonary effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000037841 lung tumor Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000862 numbness Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/347—Locking means, e.g. for locking instrument in cannula
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
- A61B2017/3482—Means for supporting the trocar against the body or retaining the trocar inside the body inside
- A61B2017/3484—Anchoring means, e.g. spreading-out umbrella-like structure
- A61B2017/3488—Fixation to inner organ or inner body tissue
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a lung positioning needle similar to an injector structure, which belongs to the technical field of medical instruments and comprises an injection sheath, wherein the right end of the injection sheath is communicated with an injection thin tube, the left end surface of the injection sheath is provided with a tail hole, a push injection rod is arranged in the injection sheath, the right side of the outer wall of the push injection rod is fixedly connected with a piston plate, a positioning needle head is arranged in the injection thin tube, the tail part of the positioning needle head is fixedly connected with a silk thread, and the other end of the silk thread is fixedly connected with the left end of the inner wall of the push injection rod; the port of the injection thin tube is close to the skin of a patient, the injection sheath is close to the skin of the patient at the moment, so that the injection rod moves downwards and drives the piston plate to move downwards, then the positioning needle is pressed by the inner pressure of the injection sheath to puncture the skin to enter the lung of the patient, and one part of the silk thread is left outside the body of the patient, thereby avoiding the pain caused by pulling the sheath of the positioning needle when the patient moves.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a lung positioning needle similar to an injector structure.
Background
The morbidity and mortality of lung cancer have increased year by year, and lung cancer accounts for the first death of malignant tumors by the end of the 20 th century. The five-year survival rate of lung cancer is only 15%, but if some early lung cancer can be discovered and treated early, the five-year survival rate of the early lung cancer can reach 60-80%. With the development of imaging technology and the popularization of routine physical examination, more and more pulmonary nodules with unknown properties are detected. At present, full thoracoscopic surgery is the main means for diagnosis and treatment of pulmonary nodules, but the precise positioning of the pulmonary nodules in the surgery is difficult to achieve, and the difficulty of the surgery is increased.
The positioning needle is needed to be used when lung tumor surgery is performed, the existing positioning needle is inserted into the lung of a patient through a steel wire, the outer sheath is not easy to pull out after positioning, the patient needs to fix the position, the patient has limb numbness, pain and the like after a long time, and some patients can also have severe pain of the puncture part after the steel wire is pulled due to careless movement.
Disclosure of Invention
The invention provides a lung positioning needle similar to an injector structure, which can be conveniently separated from an outer sheath after positioning, so that a patient does not need to keep a fixed body position all the time, and the pain of the patient is reduced.
The invention is realized in such a way that the lung positioning needle with a structure similar to an injector comprises an injection sheath, wherein the right end of the injection sheath is communicated with an injection thin tube, the left end surface of the injection sheath is provided with a tail hole, a push rod is arranged inside the injection sheath, the right side of the outer wall of the push rod is fixedly connected with a piston plate, the left side and the right side of the piston plate are both fixedly connected with sealing gaskets, a positioning needle head is arranged inside the injection thin tube, the tail part of the positioning needle head is fixedly connected with a silk thread, and the other end of the silk thread is fixedly connected with the left end of the inner wall of the push rod.
In order to fix the positioning needle in the lung of the patient, the lung positioning needle of the invention with a structure similar to an injector is preferably used, and the right end of the positioning needle head is fixedly connected with a plurality of evenly distributed barbs.
In order to enable the injection rod to vertically move up and down, the lung positioning needle with the structure similar to the injector is preferably used, the outer side wall of the injection rod is fixedly connected with four uniformly distributed supporting plates, the four supporting plates are all positioned between the sealing gasket and the tail hole, the left end face of the sheath for injection is provided with four square holes matched with the supporting plates, and two opposite ends of the four square holes are communicated with the tail hole.
In order to facilitate medical staff to press the injection rod, the lung positioning needle with a structure similar to an injector is preferably used, the left end of the injection rod is fixedly connected with a pressing plate, and the left side of the outer wall of the outer sheath for injection is fixedly connected with an auxiliary ring.
In order to provide an anti-slip function when pushing the injection rod, it is preferable that the outer side walls of the pressing plate and the auxiliary ring are provided with anti-slip threads as a lung positioning needle of the present invention having a structure similar to that of the syringe.
In order to provide the silk thread with the soft and elastic characteristics, so that the patient can not always keep the same body position, the lung positioning needle with the structure similar to the syringe is preferably used as the lung positioning needle with the structure similar to the syringe, and the material of the silk thread is medical polypropylene single thread.
Compared with the prior art, the invention has the beneficial effects that:
1. the port of the injection tubule is close to the skin of a patient, the injection sheath is close to the skin of the patient in a vertical state, the positioning needle is positioned in the injection tubule, the injection rod moves downwards, the piston plate and the two sealing gaskets move downwards in the injection sheath, then the positioning needle punctures the skin to enter the lung of the patient under the pressure of the inside of the injection sheath, and one part of the silk thread is left outside the body of the patient, so that the patient is prevented from moving and pulling the sheath of the positioning needle, and the pain of the patient is reduced;
2. the barbs are arranged at the tip ends of the positioning needle heads, so that the positioning needle heads can be prevented from easily sliding out when entering the lung of a patient, and meanwhile, when the positioning needle heads are positioned in the thin injection tubes, the outer sides of the barbs are tightly attached to the inner walls of the thin injection tubes, so that the pressure in the outer sheaths for injection is increased, and the positioning needle heads can conveniently puncture the skin of the patient;
3. through setting up the silk thread for medical polypropylene single line, the polypropylene single line has soft and elastic characteristics, and then when the external sheath for injection in vitro moved in a small scale, also can not influence the position of location syringe needle in the patient is internal to alleviate patient's misery, make the operation go on more smoothly.
Drawings
FIG. 1 is an overall structural view of the present invention;
FIG. 2 is a view showing the inner structure of the sheath for injection according to the present invention;
FIG. 3 is a schematic diagram of a control panel according to the present invention.
In the figure: 1. sheath for injection; 101. injecting a thin tube; 102. a tail hole; 103. a square hole; 2. a push injection rod; 3. a piston plate; 301. a gasket; 4. a pressing plate; 5. an auxiliary ring; 6. a support plate; 7. a silk thread; 8. positioning the needle head; 801. and (6) barb.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a lung pilot needle of similar syringe structure, including injection sheath 1, the right-hand member intercommunication of injection sheath 1 has injection tubule 101, tail hole 102 has been seted up to the left end face of injection sheath 1, the inside of injection sheath 1 is provided with injection pole 2, the right side fixedly connected with piston plate 3 of injection pole 2 outer wall, the equal fixedly connected with of the left and right sides of piston plate 3 seals up the pad 301, the inside of injection tubule 101 is provided with location syringe needle 8, the afterbody fixedly connected with silk thread 7 of location syringe needle 8, the other end of silk thread 7 and the left end fixed connection of injection pole 2 inner walls.
In this embodiment: the port of the thin injection tube 101 is close to the skin of a patient, at the moment, the outer sheath 1 for injection is close to a vertical state with the skin of the patient, and the positioning needle 8 is positioned inside the thin injection tube 101, so that the push injection rod 2 moves downwards, the piston plate 3 and the two sealing gaskets 301 are driven to move downwards inside the outer sheath 1 for injection, then the positioning needle 8 is subjected to the pressure inside the outer sheath 1 for injection to puncture the skin and enter the lung of the patient, one part of the silk thread 7 is left outside the body of the patient, and the situation that the outer sheath of the positioning needle is pulled by the movement of the patient is avoided, so that the.
As a technical optimization scheme of the invention, the right end of the positioning needle 8 is fixedly connected with a plurality of barbs 801 which are uniformly distributed.
In this embodiment: be provided with a plurality of barbs 801 through 8 point departments of location syringe needle, and then when location syringe needle 8 got into patient's lung, can avoid location syringe needle 8 roll-off easily, when location syringe needle 8 was located injection tubule 101 simultaneously, the outside of a plurality of barbs 801 was hugged closely with injection tubule 101 inner wall, and the pressure in the sheath 1 for the increase injection makes things convenient for location syringe needle 8 to puncture patient's skin.
As a technical optimization scheme of the invention, the outer side wall of the injection rod 2 is fixedly connected with four supporting plates 6 which are uniformly distributed, the four supporting plates 6 are all positioned between the sealing gasket 301 and the tail hole 102, the left end surface of the sheath 1 for injection is provided with four square holes 103 matched with the supporting plates 6, and two opposite ends of the four square holes 103 are communicated with the tail hole 102.
In this embodiment: when the injection rod 2 moves in the injection sheath 1, the outer sides of the four support plates 6 are attached to the inner wall of the injection sheath 1, so that the injection rod 2 is supported to enable the injection rod 2 to be located in the middle of the injection sheath 1, and the four support plates 6 are also drawn out through the four square holes 103 when the injection rod 2 is drawn out of the tail hole 102, so that the injection rod 2 is prevented from shaking left and right when moving, and the effect of the injection positioning needle 8 is better.
As a technical optimization scheme of the invention, the left end of the injection rod 2 is fixedly connected with a pressing plate 4, and the left side of the outer wall of the sheath 1 for injection is fixedly connected with an auxiliary ring 5.
In this embodiment: when pushing the injection rod 2, the index finger and the middle finger clamp the auxiliary ring 5, and then the thumb presses the pressing plate 4, so that the injection rod 2 drives the piston plate 3 to move towards the injection tubule 101.
As a technical optimization scheme of the invention, the outer side walls of the pressing plate 4 and the auxiliary ring 5 are both provided with anti-skid grains.
In this embodiment: when the fingers of the medical staff are contacted with the pressing plate 4 and the auxiliary ring 5, the anti-slip lines can prevent the sheath 1 for injection from slipping off the hands of the medical staff.
As a technical optimization scheme of the invention, the silk thread 7 is made of medical polypropylene single thread.
In this embodiment: through setting up silk thread 7 for medical polypropylene single line, the polypropylene single line has soft and elastic characteristics, and then when the external sheath 1 for injection in vitro moved in a small circle, also can not influence the position of location syringe needle 8 in the patient is internal to alleviate patient's misery, make the operation go on more smoothly.
The working principle is as follows: the port of the thin injection tube 101 is close to the skin of a patient, at the moment, the outer sheath 1 for injection is close to a vertical state with the skin of the patient, the positioning needle 8 is positioned inside the thin injection tube 101, the auxiliary ring 5 is clamped by the index finger and the middle finger, the pressing plate 4 is pressed downwards by the thumb, the pushing injection rod 2 is further moved downwards, the piston plate 3 and the two sealing gaskets 301 are driven to move downwards inside the outer sheath 1 for injection, then the positioning needle 8 punctures the skin by the pressure inside the outer sheath 1 for injection and enters the lung of the patient, and one part of the silk thread 7 is left outside the body of the patient, so that the outer sheath of the positioning needle is prevented from being pulled by the movement of the patient.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A lung positioning needle similar to an injector structure comprises an outer sheath (1) for injection, and is characterized in that: the right-hand member intercommunication of sheath (1) for the injection has injection tubule (101), tail hole (102) have been seted up to the left end face of sheath (1) for the injection, the inside of sheath (1) for the injection is provided with injection pole (2), the right side fixedly connected with piston plate (3) of injection pole (2) outer wall, the equal fixedly connected with of the left and right sides of piston plate (3) fills up sealed pad (301), the inside of injection tubule (101) is provided with location syringe needle (8), afterbody fixedly connected with silk thread (7) of location syringe needle (8), the other end of silk thread (7) and the left end fixed connection of injection pole (2) inner wall.
2. The lung positioning needle similar to the injector structure in claim 1, wherein: the right end of the positioning needle head (8) is fixedly connected with a plurality of barbs (801) which are uniformly distributed.
3. The lung positioning needle similar to the injector structure in claim 1, wherein: the injection device is characterized in that the outer side wall of the injection rod (2) is fixedly connected with four uniformly distributed supporting plates (6), four supporting plates (6) are located between the sealing gasket (301) and the tail hole (102), four square holes (103) matched with the supporting plates (6) are formed in the left end face of the outer sheath (1) for injection, and two opposite ends of the square holes (103) are communicated with the tail hole (102).
4. The lung positioning needle similar to the injector structure in claim 1, wherein: the left end of the injection rod (2) is fixedly connected with a pressing plate (4), and the left side of the outer wall of the outer sheath (1) for injection is fixedly connected with an auxiliary ring (5).
5. The lung positioning needle similar to the injector structure in claim 4, wherein: the outer side walls of the pressing plate (4) and the auxiliary ring (5) are provided with anti-skid lines.
6. The lung positioning needle similar to the injector structure in claim 1, wherein: the silk thread (7) is made of medical polypropylene single thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010204523.3A CN111248983A (en) | 2020-03-21 | 2020-03-21 | Lung positioning needle similar to syringe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010204523.3A CN111248983A (en) | 2020-03-21 | 2020-03-21 | Lung positioning needle similar to syringe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111248983A true CN111248983A (en) | 2020-06-09 |
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ID=70944259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010204523.3A Pending CN111248983A (en) | 2020-03-21 | 2020-03-21 | Lung positioning needle similar to syringe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111248983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259308A (en) * | 2022-01-27 | 2022-04-01 | 安徽省立医院(中国科学技术大学附属第一医院) | Pulmonary nodule positioning puncture needle |
-
2020
- 2020-03-21 CN CN202010204523.3A patent/CN111248983A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114259308A (en) * | 2022-01-27 | 2022-04-01 | 安徽省立医院(中国科学技术大学附属第一医院) | Pulmonary nodule positioning puncture needle |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200609 |
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| RJ01 | Rejection of invention patent application after publication |