CN210301918U - Syringe for local anesthesia in operation of anesthesia department in hospital - Google Patents
Syringe for local anesthesia in operation of anesthesia department in hospital Download PDFInfo
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- CN210301918U CN210301918U CN201920730166.7U CN201920730166U CN210301918U CN 210301918 U CN210301918 U CN 210301918U CN 201920730166 U CN201920730166 U CN 201920730166U CN 210301918 U CN210301918 U CN 210301918U
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- anesthesia
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Abstract
The utility model discloses a syringe is used in anesthesia department of hospital operation local anesthesia, concretely relates to medical instrument field, including the cylinder, the inside of cylinder is provided with positioning mechanism, positioning mechanism includes arc wall, stopper, connecting rod, pushing hands and mounting, the arc wall sets up on the inside wall of cylinder, it is provided with the stopper to slide in the arc wall, one side fixedly connected with connecting rod of stopper, the other end of connecting rod passes the lateral wall of cylinder to fixedly connected with sets up in the pushing hands of cylinder outer end, the fixed seal block that is provided with in one side that is close to the arc wall on the piston, seal block slides and sets up in the arc wall, just the connecting rod passes seal block setting, the fixed puddler that is provided with in one side of stopper, the outside of cylinder is provided with the scale mark. The utility model discloses make things convenient for multiple injection, do not need the repeated anesthetic that absorbs, moreover can be very accurate the volume of accuse anesthetic, safe and reliable.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, the utility model relates to a syringe is used in local anesthesia of department of anesthesia operation of hospital.
Background
It is generally accepted that anesthesia is a reversible functional inhibition of the central and/or peripheral nervous system, produced by drugs or other means, and this inhibition is characterized primarily by loss of sensation, particularly pain. Anesthesia, as the name implies, is numbness and paralysis, and drunkenness is coma. Therefore, anesthesia means that a patient temporarily loses his or her feeling wholly or locally by medication or other means to perform surgical treatment for the purpose of painlessness. Anesthesiology is a science that applies basic theory, clinical knowledge and technology related to anesthesia to eliminate operation pain of patients, ensure the safety of patients and create good conditions for operations. Nowadays, anesthesiology has become a special independent subject in clinical medicine, mainly including clinical anesthesiology, emergency resuscitation medicine, critical care treatment, pain diagnosis and treatment, and other related medicine and mechanism research, and is a comprehensive subject for researching anesthesia, analgesia, emergency resuscitation and critical medicine. Wherein clinical anesthesia is a major component of modern anesthesiology. With the development of medical technology, anesthesia operation is often performed on a patient in advance during surgery on the patient, and an injector is also indispensable, so that a certain part of a body is often required to be subjected to multiple anesthesia injections in the traditional local anesthesia, repeated operation is required, and the labor intensity of a doctor in the treatment process is increased.
The syringe for local anesthesia in the anesthesia department operation of the hospital, disclosed in the Chinese patent No. CN 207640751U, is provided with a negative pressure cavity at the needle head, and during the actual operation, the negative pressure cavity is connected to an external negative pressure pump, and the skin to be injected is lifted slightly and compacted through the negative pressure formed in the negative pressure cavity before the injection, so that the skin penetration depth is controlled accurately, the labor intensity of medical staff is reduced, and the efficiency is improved; the liquid inlet through hole and the center of the injection needle hole are not on the same axis, and the liquid inlet through hole faces the impact surface, so that anesthetic flowing out of the liquid inlet through hole can be sprayed onto the impact surface to form backflow, further mixing of the anesthetic can be promoted, sufficient mixing of the anesthetic is achieved, and accordingly the anesthetic entering an injected object can be sufficiently mixed; and the arrangement of the buffer cavity prevents discomfort to the patient caused by the push handle pushing too fast.
However, the above technical solutions still have many disadvantages in practical use, and during multiple injections, medical staff cannot accurately control the injection amount of the anesthetic each time, and particularly during long-time operations, the injection of the anesthetic is not easy to control, which is easy to cause safety accidents.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a syringe is used in hospital's department of anesthesia operation local anesthesia, through being provided with the arc wall, the stopper, the connecting rod, pushing hands and mounting, confirm the injection volume of anesthetic at every turn through the distance between piston and the stopper, during the injection anesthetic, when the piston promoted the stopper, the stopper can restrict the promotion of piston, convenient many times of injection need not repeatedly absorb anesthetic, and can be very accurate the volume of accuse anesthetic, safe and reliable.
In order to achieve the above object, the utility model provides a following technical scheme: an injector for local anesthesia in operations of anesthesia departments in hospitals comprises a needle cylinder and a needle head, wherein the needle head is arranged on one side of the top end of the needle cylinder, a piston is arranged in the needle cylinder, a push rod is fixedly connected to one side of the piston, one end of the push rod is arranged at the outer end of the needle cylinder and is fixedly connected with a push handle, and a positioning mechanism is arranged in the needle cylinder;
positioning mechanism includes arc wall, stopper, connecting rod, pushing hands and mounting, the arc wall sets up on the inside wall of cylinder, it is provided with the stopper to slide in the arc wall, the outer end of arc wall is stretched out to the one end of stopper, one side fixedly connected with connecting rod of stopper, the other end of connecting rod passes the lateral wall of cylinder to fixedly connected with sets up the pushing hands in the cylinder outer end, the lateral wall one end of cylinder is provided with the fixed orifices, fixed orifices department is provided with the mounting, the fixed sealed piece that is provided with in one side that is close to the arc wall on the piston, sealed piece slides and sets up in the arc wall, just the connecting rod passes sealed piece setting, the fixed puddler that is provided with in one side of stopper, the outside of cylinder is provided with the scale.
In a preferred embodiment, the stopper is cylindrical, and the arc-shaped groove is semi-cylindrical.
In a preferred embodiment, the cross-sectional diameter of the stopper is the same as the cross-sectional diameter of the arc-shaped groove.
In a preferred embodiment, the connecting rod is slidably disposed at the through hole in the middle of the sealing block, and the connecting rod and the through hole are rotatably disposed.
In a preferred embodiment, the inner side wall of the through hole is provided with a sealing ring.
In a preferred embodiment, the sealing block is shaped and sized according to an arc-shaped groove, and the outer side wall of the sealing block is provided with a sealing gasket.
In a preferred embodiment, the needle cylinder is provided in a transparent structure.
In a preferred embodiment, the number of the stirring rods is two, the two stirring rods are respectively located at the upper end and the lower end of the limiting block, and the two stirring rods are both located on one side, away from the arc-shaped groove, of the limiting block.
The utility model discloses a technological effect and advantage:
1. the utility model is provided with the arc-shaped groove, the limiting block, the connecting rod, the pushing handle and the fixing piece, the injection amount of the anesthetic at each time is determined through the distance between the piston and the limiting block, when the anesthetic is injected, the limiting block can limit the pushing of the piston when the piston pushes the limiting block, the injection is convenient for a plurality of times, the anesthetic does not need to be repeatedly sucked, the amount of the anesthetic can be accurately controlled, and the device is safe and reliable;
2. the utility model discloses a be provided with the puddler in one side of stopper, when adjusting injection volume at every turn, can be through rotating the connecting rod for the stopper drives the puddler and makes a round trip to rotate certain angle, can make the medicine misce bene in the cylinder, the utility model discloses simple structure, convenient operation makes things convenient for a lot of injection, does not need repeated absorption anesthetic, moreover can be very accurate the volume of accuse anesthetic, safe and reliable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic side view of the inner side wall of the syringe of the present invention.
Fig. 3 is a schematic view of the connection structure of the connection rod and the piston of the present invention.
Fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.
Fig. 5 is a schematic view of the mounting structure of the stirring rod of the present invention.
The reference signs are: 1 syringe, 2 syringe needles, 3 pistons, 4 push rods, 5 push handles, 6 arc-shaped grooves, 7 limiting blocks, 8 connecting rods, 9 push handles, 10 fixing pieces, 11 sealing blocks, 12 stirring rods, 13 scale marks, 14 through holes and 15 sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The injector for local anesthesia in the anesthesia department operation of the hospital shown in the figures 1-4 comprises a needle cylinder 1 and a needle head 2, wherein the needle head 2 is arranged on one side of the top end of the needle cylinder 1, a piston 3 is arranged inside the needle cylinder 1, a push rod 4 is fixedly connected to one side of the piston 3, one end of the push rod 4 is arranged at the outer end of the needle cylinder 1 and is fixedly connected with a push handle 5, and a positioning mechanism is arranged inside the needle cylinder 1;
the positioning mechanism comprises an arc-shaped groove 6, a limiting block 7, a connecting rod 8, a pushing handle 9 and a fixing part 10, the arc-shaped groove 6 is arranged on the inner side wall of the needle cylinder 1, the limiting block 7 is arranged in the arc-shaped groove 6 in a sliding mode, the outer end of the arc-shaped groove 6 is extended out of one end of the limiting block 7, the connecting rod 8 is fixedly connected to one side of the limiting block 7, the other end of the connecting rod 8 penetrates through the side wall of the needle cylinder 1 and is fixedly connected with the pushing handle 9 arranged at the outer end of the needle cylinder 1, a fixing hole is formed in one end of the side wall of the needle cylinder 1 and is provided with the fixing part 10, a sealing block 11 is fixedly arranged on one side, close to the arc-shaped groove 6, of the piston 3, the sealing block 11 is arranged in.
The limiting block 7 is in a cylindrical shape, and the arc-shaped groove 6 is in a semi-cylindrical shape.
The diameter of the cross section of the limiting block 7 is the same as that of the cross section of the arc-shaped groove 6.
The connecting rod 8 is slidably disposed in a through hole 14 in the middle of the sealing block 11, and the connecting rod 8 and the through hole 14 are rotatably disposed.
The inner side wall of the through hole 14 is provided with a sealing ring 15.
The shape and the size of the sealing block 11 are arranged according to the arc-shaped groove 6, and a sealing gasket is arranged on the outer side wall of the sealing block 11.
The needle cylinder 1 is arranged in a transparent structure.
The implementation mode is specifically as follows: when the anesthetic in the cylinder 1 is quantified, the anesthetic amount injected according to the scales of the piston 3 and the anesthetic amount to be injected is calculated, the distance that the piston 3 should be pushed to move is calculated, then the limiting block 7 is pulled outwards from the top end of the cylinder 1 through the connecting rod 8, the limiting block 7 is pulled to the calculated position, then the connecting rod 8 is fixed by the fixing piece 10, the sliding of the limiting block 7 in the injection process is avoided, then the piston 3 is pushed through the push rod 4 to be injected, when the piston 3 pushes the position of the limiting block 7, the piston 3 is under the resistance action of the limiting block 7, the movement cannot be continued, the injection amount can be accurately grasped every time, after the injection is completed, the anesthetic amount injected according to the anesthetic amount to be injected next time, the position of the limiting block 7 is adjusted again, and the.
According to the injector for local anesthesia in the operation of the anesthesia department of the hospital shown in the figures 1 to 5, two stirring rods 12 are fixedly arranged on one side of the limiting block 7, are respectively arranged at the upper end and the lower end of the limiting block 7, and are both arranged on one side of the limiting block 7 away from the arc-shaped groove 6.
The implementation mode is specifically as follows: before injection at every turn, make a round trip to rotate connecting rod 8 through pushing hands 9, the connecting rod drives stopper 7 and rotates, and stopper 7 drives puddler 12 and makes a round trip to rotate for the medicine misce bene of cylinder 1 inside avoids the operation to place the in-process liquid medicine inhomogeneous, simple structure, convenient operation.
The utility model discloses the theory of operation: extracting anesthetic from the needle cylinder 1, then discharging air in the needle cylinder 1, adjusting the position of the limiting block 7 according to the scale of the piston 3 and the anesthetic amount to be injected, in the adjusting process, rotating the push handle 9 while pulling the connecting rod 8 through the push handle 9, so that the medicine in the needle cylinder 1 can be stirred by the stirring rod 12 while adjusting the position of the limiting block 7, after the position of the limiting block 7 is adjusted, pushing the piston 3 by the push handle 5 and the push rod 4, extruding the medicine by the piston 3, injecting the medicine into a human body through the needle head 2, and anesthetizing a patient, when the piston 3 is pushed to the position of the limiting block 7, the medicine can not be pushed continuously due to the blocking of the limiting block 7, the anesthetic amount can be controlled very accurately, and the safety and reliability are realized; after the injection is finished, the operation is carried out, when the injection is needed again, the position of the limiting block 7 is continuously adjusted, and then the stirring rod 12 is used for stirring, and the piston 3 is pushed to inject.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a syringe for local anesthesia of hospital's department of anesthesia operation, includes cylinder (1) and syringe needle (2), syringe needle (2) set up in top one side of cylinder (1), its characterized in that: a piston (3) is arranged in the needle cylinder (1), a push rod (4) is fixedly connected to one side of the piston (3), one end of the push rod (4) is arranged at the outer end of the needle cylinder (1) and is fixedly connected with a push handle (5), and a positioning mechanism is arranged in the needle cylinder (1);
the positioning mechanism comprises an arc-shaped groove (6), a limiting block (7), a connecting rod (8), a pushing handle (9) and a fixing part (10), the arc-shaped groove (6) is arranged on the inner side wall of the needle cylinder (1), the limiting block (7) is arranged in the arc-shaped groove (6) in a sliding mode, one end of the limiting block (7) extends out of the outer end of the arc-shaped groove (6), the connecting rod (8) is fixedly connected to one side of the limiting block (7), the other end of the connecting rod (8) penetrates through the side wall of the needle cylinder (1) and is fixedly connected with the pushing handle (9) arranged at the outer end of the needle cylinder (1), a fixing hole is formed in one end of the side wall of the needle cylinder (1), the fixing part (10) is arranged at the fixing hole, a sealing block (11) is fixedly arranged on one side, close to the arc-shaped, and the connecting rod (8) penetrates through the sealing block (11) to be arranged, one side of the limiting block (7) is fixedly provided with a stirring rod (12), and the outer side of the needle cylinder (1) is provided with scale marks (13).
2. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the limiting block (7) is in a cylindrical shape, and the arc-shaped groove (6) is in a semi-cylindrical shape.
3. The syringe for local anesthesia in hospital anesthesia surgery according to claim 2, wherein: the diameter of the cross section of the limiting block (7) is the same as that of the cross section of the arc-shaped groove (6).
4. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the connecting rod (8) is arranged at a through hole (14) in the middle of the sealing block (11) in a sliding mode, and the connecting rod (8) and the through hole (14) are arranged in a rotatable mode.
5. The syringe for local anesthesia in hospital anesthesia surgery according to claim 4, wherein: and a sealing ring (15) is arranged on the inner side wall of the through hole (14).
6. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the shape and the size of the sealing block (11) are arranged according to the arc-shaped groove (6), and a sealing washer is arranged on the outer side wall of the sealing block (11).
7. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the needle cylinder (1) is arranged in a transparent structure.
8. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the stirring rods (12) are arranged two, are respectively positioned at the upper end and the lower end of the limiting block (7), and are both positioned on one side, away from the arc-shaped groove (6), of the limiting block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730166.7U CN210301918U (en) | 2019-05-21 | 2019-05-21 | Syringe for local anesthesia in operation of anesthesia department in hospital |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730166.7U CN210301918U (en) | 2019-05-21 | 2019-05-21 | Syringe for local anesthesia in operation of anesthesia department in hospital |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210301918U true CN210301918U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920730166.7U Expired - Fee Related CN210301918U (en) | 2019-05-21 | 2019-05-21 | Syringe for local anesthesia in operation of anesthesia department in hospital |
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|---|---|
| CN (1) | CN210301918U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112516418A (en) * | 2020-12-14 | 2021-03-19 | 山西白求恩医院(山西医学科学院) | Adjustable anesthesia injector |
| CN114191655A (en) * | 2021-11-10 | 2022-03-18 | 南京市河西医院有限公司 | F-Nerve block powerful injection mechanism and method for face thinning |
| CN114887158A (en) * | 2022-06-09 | 2022-08-12 | 中国人民解放军陆军特色医学中心 | Intravenous anesthetic quantifying device for anesthesia induction |
| CN115252949A (en) * | 2022-08-02 | 2022-11-01 | 中国人民解放军总医院第六医学中心 | Fluorescence development injection device for parathyroid gland |
-
2019
- 2019-05-21 CN CN201920730166.7U patent/CN210301918U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112516418A (en) * | 2020-12-14 | 2021-03-19 | 山西白求恩医院(山西医学科学院) | Adjustable anesthesia injector |
| CN114191655A (en) * | 2021-11-10 | 2022-03-18 | 南京市河西医院有限公司 | F-Nerve block powerful injection mechanism and method for face thinning |
| CN114887158A (en) * | 2022-06-09 | 2022-08-12 | 中国人民解放军陆军特色医学中心 | Intravenous anesthetic quantifying device for anesthesia induction |
| CN115252949A (en) * | 2022-08-02 | 2022-11-01 | 中国人民解放军总医院第六医学中心 | Fluorescence development injection device for parathyroid gland |
| CN115252949B (en) * | 2022-08-02 | 2024-02-06 | 中国人民解放军总医院第六医学中心 | Fluorescent development injection device for parathyroid gland |
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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: 20200414 Termination date: 20210521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |