CN211798154U

CN211798154U - Local anesthesia device for anesthesia department doctor

Info

Publication number: CN211798154U
Application number: CN201921902020.2U
Authority: CN
Inventors: 陈明浩; 李雪艳; 范红帅; 王芸芸; 周建莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-10-30
Anticipated expiration: 2029-11-06

Abstract

The embodiment of the application discloses department of anesthesia doctor uses local anesthesia device, including the cylinder, the bottom of cylinder is equipped with the injection end, and the both sides of cylinder bottom offer and extend to the inside side runner of injection end, the middle part of cylinder bottom is offered and is extended to the inside well runner of injection end, and the middle part of cylinder bottom is located the top fixed mounting of well runner and has the thimble, the through-hole of runner in the intercommunication is seted up to the both sides of thimble. This department of anesthesia doctor uses local anesthesia device, can store two kinds of medicaments simultaneously through first stock solution chamber and second stock solution chamber, therefore after the skin puncture of syringe needle of cylinder, can carry out twice injection simultaneously, the mode that only can once inject after the skin puncture of local anesthesia device in the prior art relatively, this device has not only reduced patient's discomfort and medical personnel's burden, and has ensured the uniformity of two kinds of medicament injection positions simultaneously, be favorable to the interact between the medicament.

Description

Local anesthesia device for anesthesia department doctor

Technical Field

The application relates to the technical field of medical equipment, in particular to a local anesthesia device for a doctor in an anesthesia department.

Background

Local anesthesia, also known as regional anesthesia, refers to the application of local anesthetics to body parts under the conscious state of the patient, so that the sensory nerve conduction function of a certain part of the body is temporarily blocked, the motor nerve conduction remains intact or is simultaneously blocked to different degrees, the blocking should be completely reversible without any tissue damage, and the local anesthesia has the advantages of simplicity, convenience, safety, patient conscious, less complications and little influence on the physiological function of the patient.

In order to relieve the pain, before injecting the partial anesthetic, sterile normal saline is locally pre-injected firstly to relieve a pain rod of the patient, but the device for injecting the partial anesthetic in the prior art cannot perform secondary injection after primary skin puncture, so that the local puncture needs to be performed twice in sequence, which not only increases the discomfort of the patient, but also increases the burden of medical staff, and on the other hand, the injection positions are difficult to ensure to be the same by virtue of the two sequential injections, thereby reducing the relieving effect of the normal saline on the partial anesthetic with the pricking or burning pain during partial injection.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a local anesthetic device for an anesthesiologist, which has advantages of being injectable twice with one skin puncture, reducing discomfort to a patient and burden to medical care personnel, solving the problem that a patient may have severe stabbing pain or burning pain when a partial anesthetic is injected, and in order to alleviate such pain, before injecting partial local anesthetic, sterile normal saline is locally pre-injected to relieve a pain rod of a patient, however, the prior art devices for injecting local anesthetic cannot perform a secondary injection after a single skin puncture, therefore, the puncture needs to be performed twice in sequence locally, which not only increases the discomfort of the patient, but also increases the burden of the medical care personnel, on the other hand, the injection is difficult to ensure the same injection position, thereby reducing the problem that the physiological saline has the relieving effect on the local anesthetic which has stabbing pain or burning pain when being partially injected.

The utility model provides a following technical scheme: a local anesthesia device for anesthesia department doctors comprises a needle cylinder, wherein an injection end is arranged at the bottom of the needle cylinder, side runners extending into the injection end are arranged on two sides of the bottom of the needle cylinder, a middle runner extending into the injection end is arranged in the middle of the bottom of the needle cylinder, an ejector pin is fixedly arranged above the middle runner in the middle of the bottom of the needle cylinder, through holes communicated with the middle runner are arranged on two sides of the ejector pin, a needle tail is arranged at the top of the needle cylinder, a first piston rod extending into the needle cylinder is movably sleeved in the middle of the needle tail, a first piston is fixedly arranged at the bottom of the first piston rod, a first liquid storage cavity is arranged in the middle of an inner cavity of the needle cylinder, a first pressing part is fixedly arranged at the top of the first piston rod, a second piston rod extending into the first piston rod is movably sleeved in the middle of the first pressing part, a second piston is fixedly arranged at, the inside of first piston rod is equipped with the second liquid storage chamber, the top fixed mounting of second piston rod has the second to press the splenium, the surface of cylinder is equipped with first scale mark and second scale mark that is used for first liquid storage chamber and second liquid storage chamber capacity to show respectively.

Preferably, a liquid inlet hole communicated with the second liquid storage cavity is formed in the top of the first piston, a sleeve is fixedly mounted at the top of the inner cavity of the first piston, a guide pillar is fixedly mounted at the top of the inner cavity of the sleeve, a spring is movably sleeved on the guide pillar, a loop bar is movably sleeved inside the sleeve, a movable groove movably sleeved with the guide pillar is formed in the middle of the inner cavity of the loop bar, a sealing baffle is fixedly connected to the bottom of the loop bar, and a second pressing portion located under the sealing baffle and communicated with the first liquid storage cavity is formed in the middle of the bottom end of the first piston.

Preferably, one end of the spring is fixedly connected with the top of the inner cavity of the sleeve, and the other end of the spring is fixedly connected with one end, located inside the sleeve, of the sleeve rod.

Preferably, the top of the ejector pin is movably connected with the bottom of the sealing baffle, and the ejector pin is movably sleeved with the ejector pin hole.

Preferably, the second piston and the first piston are movably sleeved in the second liquid storage cavity and the first liquid storage cavity respectively.

The application provides a local anesthesia device for department of anesthesia doctor possesses following beneficial effect:

1. this department of anesthesia doctor uses local anesthesia device, can store two kinds of medicaments simultaneously through first stock solution chamber and second stock solution chamber, therefore after the skin puncture of syringe needle of cylinder, can carry out twice injection simultaneously, the mode that only can once inject after the skin puncture of local anesthesia device in the prior art relatively, this device has not only reduced patient's discomfort and medical personnel's burden, and has ensured the uniformity of two kinds of medicament injection positions simultaneously, be favorable to the interact between the medicament.

2. This department of anesthesia doctor uses local anesthesia device through set up the first scale mark that is used for first stock solution chamber capacity to show respectively in the both sides on cylinder surface and be used for the second scale mark that second stock solution chamber capacity shows, can make things convenient for medical personnel when extracting two kinds of medicaments, observes its medicament volume that extracts, and this device is through setting up two side runners and a well runner, can ensure the extraction rate of first stock solution chamber to the medicament.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a sectional view of a first piston according to the present invention;

fig. 3 is a front view of the structure of the present invention.

In the figure: 1. a needle cylinder; 2. an injection end; 3. a side runner; 4. a middle flow passage; 5. a thimble; 6. a through hole; 7. needle tail; 8. a first piston rod; 9. a first piston; 901. a liquid inlet hole; 902. a sleeve; 903. a guide post; 904. a spring; 905. a loop bar; 906. a movable groove; 907. sealing the baffle; 908. a thimble hole; 10. a first reservoir chamber; 11. a first pressing part; 12. a second piston rod; 13. a second piston; 14. a second reservoir chamber; 15. a second pressing part; 16. a first scale mark; 17. a second tick mark.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-3, a local anesthetic device for a doctor in an anesthesia department comprises a needle cylinder 1, an injection end 2 is arranged at the bottom of the needle cylinder 1, side runners 3 extending into the injection end 2 are arranged at two sides of the bottom of the needle cylinder 1, a middle runner 4 extending into the injection end 2 is arranged in the middle of the bottom of the needle cylinder 1, the volumes of the two side runners 3 and the middle runner 4 are larger than or equal to the volume between the bottom of an inner cavity of a first liquid storage cavity 10 and the top of an ejector pin 5, so that when a first piston rod 8 is pulled to drive a first piston 9 to lift up to extract a medicament, the medicament firstly enters the two side runners 3 and the middle runner 4, when the medicament starts to flow into the first liquid storage cavity 10, the ejector pin 5 just moves to be separated from a sealing baffle 907, at the moment, the first piston 9 is sealed to prevent the medicament from entering a second liquid storage cavity 14, and an ejector pin 5 is fixedly installed above the middle of the, the top of the thimble 5 is movably connected with the bottom of the sealing baffle 907, the thimble 5 is movably sleeved with a thimble hole 908, two sides of the thimble 5 are provided with a through hole 6 communicated with the middle flow passage 4, the top of the needle cylinder 1 is provided with a needle tail 7, the middle part of the needle tail 7 is movably sleeved with a first piston rod 8 extending to the inside of the needle cylinder 1, the bottom of the first piston rod 8 is fixedly provided with a first piston 9, the top of the first piston 9 is provided with a liquid inlet 901 communicated with the second liquid storage cavity 14, the top of the inner cavity of the first piston 9 is fixedly provided with a sleeve 902, the top of the inner cavity of the sleeve 902 is fixedly provided with a guide pillar 903, the guide pillar 903 is movably sleeved with a spring 904, when the thimble 5 is contacted with the sealing baffle 907, the sleeve 905 is elastically compressed to the inside of the sleeve 902, so that when the thimble 5 is separated from the sealing baffle 907, the sleeve, thereby driving the sealing baffle 907 to reset to form sealing to the first piston 9, one end of the spring 904 is fixedly connected with the top of the inner cavity of the sleeve 902, the other end of the spring 904 is fixedly connected with one end of the loop bar 905 positioned in the sleeve 902, the loop bar 905 is movably sleeved in the sleeve 902, the middle part of the inner cavity of the loop bar 905 is provided with a movable groove 906 movably sleeved with the guide pillar 903, the movable groove 906 in the loop bar 905 of the guide pillar 903 is utilized to guide, support and limit the movement of the loop bar 905 in the sleeve 902, thereby improving the stability of the loop bar 905 when the loop bar 905 extends and retracts in the sleeve 902, the bottom of the loop bar 905 is fixedly connected with the sealing baffle 907, the middle part of the bottom end of the first piston 9 is provided with a second pressing part 15 which is positioned under the sealing baffle 907 and is communicated with the first liquid storage cavity 10, the middle part of the inner cavity of the syringe 1 is provided with the first liquid storage cavity 10, the top, a second piston rod 12 extending into the first piston rod 8 is movably sleeved in the middle of the first pressing part 11, a second piston 13 is fixedly installed at the bottom of the second piston rod 12, the second piston 13 and the first piston 9 are movably sleeved in the second liquid storage cavity 14 and the first liquid storage cavity 10 respectively, a second liquid storage cavity 14 is arranged in the first piston rod 8, a second pressing part 15 is fixedly installed at the top of the second piston rod 12, a first scale mark 16 and a second scale mark 17 for displaying the capacity of the first liquid storage cavity 10 and the second liquid storage cavity 14 are arranged on the surface of the needle cylinder 1, the first scale mark 16 and the second scale mark 17 respectively use the bottom of the first liquid storage cavity 10 and the bottom of the second liquid storage cavity 14 as reference surfaces, and when medical personnel extract two medicaments, the first scale mark 16 for displaying the capacity of the first liquid storage cavity 10 and the second scale mark 17 for displaying the capacity of the second liquid storage cavity 14 are utilized, the amount of the medicine extracted is observed.

To sum up, first, before the medicament is extracted, the first piston 9 is pressed to the bottom of the first reservoir 10, so that the thimble 5 is inserted into the thimble hole 908 and presses the sealing baffle 907, which drives the sealing baffle 907 to compress the spring 904 and lift the loop bar 905, so that the loop bar 905 is contracted to a certain height in the sleeve 902, at this time, the thimble hole 908, the liquid inlet 901, the through hole 6 on the thimble 5, the second reservoir 14, and the middle flow channel 4 are communicated, then, the second piston rod 12 is pulled to drive the second piston 13 to lift, so that the first medicament is extracted into the second reservoir 14, the first piston rod 8 is pulled to drive the first piston 9 to lift, so that the second medicament is extracted into the first reservoir 10, during this process, when the first piston rod 8 is pulled, the medicament is firstly extracted into the side flow channel 3 and the middle flow channel 4, when the medicament enters the first reservoir 10, the thimble 5 is just separated from the sealing baffle 907, make first piston 9 sealed, finally, when injecting, extrude earlier firstly and press the splenium 11, drive first piston 9 and descend, inject the medicament in first stock solution chamber 10 into the patient internal, extrude the second again and press splenium 15, drive second piston 13 and descend, inject the medicament in second stock solution chamber 14 into the patient internal, can.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A local anesthesia device for anesthesia department doctor comprises a needle cylinder (1), and is characterized in that: the injection device is characterized in that an injection end (2) is arranged at the bottom of the needle cylinder (1), side runners (3) extending into the injection end (2) are arranged on two sides of the bottom of the needle cylinder (1), a middle runner (4) extending into the injection end (2) is arranged in the middle of the bottom of the needle cylinder (1), an ejector pin (5) is fixedly installed above the middle runner (4) in the middle of the bottom of the needle cylinder (1), through holes (6) communicated with the middle runner (4) are arranged on two sides of the ejector pin (5), a needle tail (7) is arranged at the top of the needle cylinder (1), a first piston rod (8) extending into the needle cylinder (1) is movably sleeved in the middle of the needle tail (7), a first piston rod (9) is fixedly installed at the bottom of the first piston rod (8), a first liquid storage cavity (10) is arranged in the middle of the inner cavity of the needle cylinder (1), a first pressing part (11) is fixedly installed at, the utility model discloses a syringe, including first splenium (11) first, the middle part movable sleeve of pressing the splenium is equipped with second piston rod (12) that extend to first piston rod (8) inside, the bottom fixed mounting of second piston rod (12) has second piston (13), the inside of first piston rod (8) is equipped with second stock solution chamber (14), the top fixed mounting of second piston rod (12) has the second to press splenium (15), the surface of cylinder (1) is equipped with first scale mark (16) and second scale mark (17) that are used for first stock solution chamber (10) and second stock solution chamber (14) capacity to show respectively.

2. A local anesthetic device for anesthesiologists as defined in claim 1, further comprising: the liquid inlet hole (901) communicated with the second liquid storage cavity (14) is formed in the top of the first piston (9), a sleeve (902) is fixedly mounted at the top of the inner cavity of the first piston (9), a guide pillar (903) is fixedly mounted at the top of the inner cavity of the sleeve (902), a spring (904) is movably sleeved on the guide pillar (903), a sleeve rod (905) is movably sleeved inside the sleeve (902), a movable groove (906) movably sleeved with the guide pillar (903) is formed in the middle of the inner cavity of the sleeve rod (905), a sealing baffle (907) is fixedly connected to the bottom of the sleeve rod (905), and a second pressing portion (15) located under the sealing baffle (907) and communicated with the first liquid storage cavity (10) is formed in the middle of the bottom end of the first piston (9).

3. A local anesthetic device for anesthesiologists as defined in claim 2, further comprising: one end of the spring (904) is fixedly connected with the top of the inner cavity of the sleeve (902), and the other end of the spring (904) is fixedly connected with one end, located inside the sleeve (902), of the sleeve rod (905).

4. A local anesthetic device for anesthesiologist as claimed in any one of claims 1 to 2, characterized in that: the top of the thimble (5) is movably connected with the bottom of the sealing baffle (907), and the thimble (5) is movably sleeved with the thimble hole (908).

5. A local anesthetic device for anesthesiologists as defined in claim 1, further comprising: the second piston (13) and the first piston (9) are movably sleeved in the second liquid storage cavity (14) and the first liquid storage cavity (10) respectively.