CN107569760B

CN107569760B - Uniform anesthesia medicine distributor for gynecological nursing

Info

Publication number: CN107569760B
Application number: CN201710966430.2A
Authority: CN
Inventors: 王孟冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-17
Filing date: 2017-10-17
Publication date: 2020-07-03
Anticipated expiration: 2037-10-17
Also published as: CN107569760A

Abstract

The invention discloses a novel uniform anesthesia medicine distributor for gynecological and obstetrical nursing, which belongs to the field of medical nursing auxiliary instruments and comprises an injection medicine feeding mechanism and a uniform medicine distributing mechanism, wherein the uniform medicine distributing mechanism comprises an extending pipe for distributing medicine, an air bag structure is arranged in the extending pipe, an auxiliary expanding mechanism is arranged in the air bag, the auxiliary expanding mechanism comprises a fixed shaft and at least three layers of expanding assemblies uniformly fixed on the fixed shaft, and a linkage effect is realized between every two adjacent layers of expanding assemblies; the injection medicine feeding mechanism comprises an inflating device and an injector device which are both in an injector structure, the inflating device and the injector device are in delayed linkage through a spring, a rotary driving device for driving the extension pipe to rotate is further arranged, and a power source of the rotary driving device is from the relative motion of the inflating device and the injector device; in addition, the injection medicine-feeding mechanism also comprises a handheld pushing component, and scales are marked on the side wall of the needle cylinder. The medicine distribution device has the advantages of good medicine distribution uniformity, high medicine distribution efficiency, simple operation, time and labor saving and quantitative visualization function.

Description

Uniform anesthesia medicine distributor for gynecological nursing

Technical Field

The invention relates to the field of medical nursing auxiliary instruments, in particular to a novel uniform anesthesia medicine distributor for gynecological nursing.

Background

The obstetrics and gynecology department is one of four main subjects of clinical medicine, and is mainly used for researching the etiology, pathology, diagnosis and prevention of female reproductive organ diseases, the physiological and pathological changes of pregnancy delivery, the prevention and diagnosis and treatment of high-risk pregnancy and dystocia, female reproductive endocrine, family planning, female health care and the like. The female reproductive system diseases are gynecological diseases, including vulvar diseases, vaginal diseases, uterine diseases, fallopian tube diseases, ovarian diseases, etc. When surgery is required for internal structures such as the uterus, fallopian tubes, or ovaries, anesthesia is often required for the internal structures of the patient.

At present, the anesthesia medicine distributor for gynecological nursing comprises a pipe body with a through hole distributed on the side wall and an injector, when the anesthesia medicine distributor is applied, the pipe body part extends into the private part of a patient, the injector is used for injecting anesthesia into the pipe body part, the medicine is distributed only by utilizing the impulsive force generated when liquid medicine is injected, the liquid medicine is relatively difficult to rush out of the pipe body structure, and the obvious defects of the anesthesia medicine distributor are that the medicine distribution is not uniform enough, and the medicine distribution efficiency is not high enough.

Disclosure of Invention

1. Technical problem to be solved

The technical problem to be solved by the invention is to provide a novel uniform anesthesia medicine distributor for gynecological nursing, which has the advantages of good medicine distribution uniformity, high medicine distribution efficiency, simple operation, time and labor saving and quantitative visualization function.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

a novel uniform anesthesia medicine distributor for gynecological nursing comprises an injection medicine feeding mechanism and a uniform medicine distributing mechanism, wherein the uniform medicine distributing mechanism comprises a stretching pipe with a closed head end and a fixed plug fixed at the tail end, medicine distributing holes are uniformly distributed on the side wall of the stretching pipe, a second vent pipe penetrating through the fixed plug and a medicine feeding short pipe are fixed on the fixed plug, the medicine feeding short pipe is communicated with the stretching pipe, the lower end of the second vent pipe is connected with an air bag positioned in the stretching pipe, an auxiliary expanding mechanism is arranged in the air bag and comprises a fixed shaft arranged at the central line of the air bag and at least 3 layers of expanding components uniformly fixed on the fixed shaft in the vertical direction, rubber sleeves are arranged on the outer sides of two ends of the fixed shaft, and the outer surfaces of the rubber sleeves are fixed on the inner surface of the air bag through rubber connecting; the expansion assembly comprises a plurality of telescopic supporting rods which are uniformly arranged along the circumference of the fixed shaft, the other ends of the supporting rods are fixed on the inner surface of the air bag, sleeves which are just sleeved on the supporting rods are arranged on the supporting rods at the other ends of the supporting rods, pre-tightening springs wound on the supporting rods are arranged between the sleeves and the fixed shaft, and a connecting rod is connected between the sleeves of each two adjacent layers of expansion assemblies; the injection medicine feeding mechanism comprises an injector device communicated with the medicine feeding short pipe, an air charging device communicated with the vent pipe II and a rotary driving device for driving the extension pipe to rotate.

Furthermore, the injector device comprises a needle head, a syringe, a piston head, a piston rod and a piston handle which are assembled according to a common injector structure, and the inflation device comprises a first vent pipe, a second piston head which is hermetically arranged in the first vent pipe, and a second piston rod which is fixed on the second piston head; one end of the vent pipe is arranged in the middle of the piston head, the other end of the vent pipe is positioned at the liquid outlet of the needle cylinder, a pipe plug is arranged at the pipe orifice of the vent pipe I at the end, and a through hole for the vent pipe I to pass through is arranged on the piston head; the piston rod is internally provided with a slotted hole which is communicated with the through hole and can accommodate the vent pipe I, the other end of the slotted hole extends to the joint of the piston rod and the piston handle, the piston rod II is positioned in the slotted hole, and one end of the piston rod II, which is far away from the piston head II, is connected to a spring fixed in the middle of the joint of the piston handle and the piston rod. Based on the basic injector structure, a first vent pipe is arranged in the needle cylinder, and the first vent pipe, a second piston head and a second piston rod form an injector action structure, and a piston handle can simultaneously push liquid medicine (through the piston rod) in the needle cylinder and gas (through the second piston rod) in the first vent pipe in the pushing process, so that the effect of achieving two actions by one-step operation is realized; and a spring is arranged between the second piston rod and the piston handle, so that the starting delay effect is achieved, the liquid medicine is firstly sent, and then the liquid medicine and the gas are simultaneously sent, so that the automatic liquid medicine feeding device is more suitable for actual requirements.

Furthermore, the needle cylinder is transparent, and the side wall of the needle cylinder is marked with scales. The quantitative standard is provided with scales, quantitative visualization can be visually and accurately realized no matter the amount of the anesthetic liquid medicine is extracted or the amount of the anesthetic liquid medicine is injected, and the quantitative visualization method has high application value.

Further, the rotary driving device comprises a spiral strip which is wound and fixed on the outer surface of the vent pipe along the length direction of the vent pipe, and the shape of the perforated hole is just matched with the section of the vent pipe I fixed with the spiral strip. When the piston head pushes downwards, the through hole moves along the vent pipe I, and the vent pipe I and the spiral strip with one width can only pass through the through hole, and the spiral strip is spiral, so that the vent pipe I can pass through the through hole smoothly, the rotation can be generated, and the effective driving of the rotary driving device can be realized successfully.

Furthermore, an upper connecting cylinder is fixed at the liquid outlet of the needle cylinder, a lower connecting cylinder assembled with the upper connecting cylinder is installed at the upper part of the fixing plug, a concave sealing plate with the periphery attached to the inner wall of the concave sealing plate is arranged in the lower connecting cylinder, the sealing plate is sleeved on the outer sides of the two vent pipes, and at least one through hole for fixing a short medicine feeding pipe is arranged at the lower concave part of the sealing plate; the second vent pipe is detachably connected with the first vent pipe; and a second connecting cylinder assembled with the upper connecting cylinder is arranged on the needle head. After the upper connecting cylinder and the lower connecting cylinder are assembled, the liquid medicine is fed into the lower connecting cylinder through the injection medicine feeding mechanism and is positioned at the upper part of the sealing plate, the liquid medicine enters the medicine feeding short pipe through the through hole at the concave part below the sealing plate and then smoothly enters the extending pipe, and then the liquid medicine can be discharged from the medicine distributing hole on the extending pipe to perform anesthesia on an anesthesia part; the vent pipe II is detachably connected with the vent pipe I, and the connecting cylinder II arranged on the needle head is used for meeting the dismounting and mounting requirements of the injection medicine feeding mechanism.

Furthermore, the outer side of the upper connecting cylinder is provided with an external thread, and the inner sides of the lower connecting cylinder and the second connecting cylinder are provided with an internal thread matched with the external thread; and permanent magnets which are attracted magnetically are arranged at the connecting ends of the first vent pipe and the second vent pipe respectively. Because go up the connecting cylinder respectively with all need to have the dismouting combination function between connecting cylinder and the connecting cylinder two down, adopt threaded connection between them, easily operation, and connection stability is high. The first vent pipe and the second vent pipe are connected magnetically, so that the connection instantaneity is strong, and the connection stability is high.

As an improvement to the above scheme, the injection medicine delivery mechanism further comprises a handheld pushing component, the handheld pushing component comprises a front handle and a rear handle which are connected in series by a connecting shaft, the other end of the front handle is arranged in the middle of the outer side of the needle cylinder, and the rear handle is arranged on the outer side of the piston handle; and the middle part of the connecting shaft is sleeved with a torsion spring, and the two spring strips are respectively embedded into the front handle and the rear handle. After the injector device is arranged on the handheld pushing component, the piston handle is pushed by slowly holding the handheld component, and the medicine feeding and distributing processes can be completed. Utilize the grip of whole hand to replace the thrust of thumb, change in the application of force, and the effect of power effect is stronger, has practiced thrift injection time, has still avoided medical personnel's hand ache and the sense of fatigue in the injection in-process.

Furthermore, a clamping seam is arranged at the position of the front handle where the needle cylinder is arranged, and a clamping strip matched with the clamping seam is arranged at the corresponding position of the needle cylinder; and a clamping groove matched with the piston handle is arranged at the position of the rear handle where the piston handle is arranged. The front handle and the needle cylinder are connected in a clamping mode, the piston handle can be directly arranged in the clamping groove of the rear handle, the piston handle is convenient to assemble and disassemble by holding, the injection process of the injection device can be promoted, and the medicine drawing process of the injection device and the work of other devices are not influenced.

3. Advantageous effects

(1) The air bag structure is arranged in the extending pipe for distributing the medicine, and when the medicine is anesthetized, the air bag expands to generate a thrust effect on the anesthetic liquid medicine extending into the pipe so as to promote the discharge of the liquid medicine; and the gasbag is internally provided with an auxiliary expanding mechanism, the auxiliary expanding mechanism comprises a fixed shaft and at least three layers of expanding components uniformly fixed on the fixed shaft, and a linkage effect is achieved between every two adjacent layers of expanding components, so that the gasbag uniformly expands, the liquid medicine is uniformly discharged and stressed, and the purpose of uniformly distributing the medicine is achieved.

(2) The invention is also provided with a rotary driving device for driving the extension pipe to rotate, and the rotary driving device generates rotary power through the relative motion between the vent pipe I with the spiral strip and the perforation to enable the vent pipe I to rotate, so that the vent pipe II is driven to rotate, and then the fixed plug and the extension pipe are driven to rotate together; at the moment, the lower connecting cylinder and the medicine feeding short pipe do not rotate so as to avoid influencing the connection stability between the injection medicine feeding mechanism and the uniform medicine distribution mechanism. The extending pipe can rotate, so that the anesthetic liquid medicine is acted by centrifugal force, the discharge of the liquid medicine is further promoted, and the uniformity of medicine distribution is improved.

(3) Based on the basic injector structure, the first vent pipe is arranged in the needle cylinder, the first vent pipe, the second piston head and the second piston rod form an injector action structure, the piston handle can push liquid medicine (through the piston rod) in the needle cylinder and gas (through the second piston rod) in the first vent pipe simultaneously in the pushing process, and the first vent pipe can rotate as above, so that the effect of achieving three functions by one-step operation is achieved. In addition, the gas enters the air bag from the vent pipe, so that the liquid medicine is pushed out, and the spring is arranged between the second piston rod and the piston handle, so that the starting delay effect is achieved, the liquid medicine is firstly sent, and then the liquid medicine and the gas are simultaneously conveyed, so that the air bag is more suitable for actual requirements.

(4) The invention also comprises a handheld pushing component, and after the injector device is arranged on the handheld pushing component, the piston handle is pushed by slowly holding the handheld component, so that the processes of medicine feeding and medicine distribution can be completed. Utilize the grip of whole hand to replace the thrust of thumb, change in the application of force, and the effect of power effect is stronger, has practiced thrift injection time, has still avoided medical personnel's hand ache and the sense of fatigue in the injection in-process.

(5) The side wall of the needle cylinder is marked with scales. The quantitative standard is provided, the amount of the anesthetic liquid medicine extracted before injection anesthesia is controllable, the injection amount during injection of the liquid medicine is controllable, the injected amount can be known in real time, the injection amount can be adjusted in real time conveniently, the quantitative visualization can be realized visually and accurately, and the quantitative standard has higher application value.

In conclusion, the medicine distribution device has the advantages of good medicine distribution uniformity, high medicine distribution efficiency, simple operation, time and labor saving and quantitative visualization function.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the airbag 5 and its internal structure;

FIG. 3 is a schematic view of section C-C of FIG. 2;

FIG. 4 is a schematic view of section D-D of FIG. 2;

fig. 5 is a schematic structural view of the upper connecting cylinder 21 and the lower connecting cylinder 22;

FIG. 6 is a schematic view of section A-A of FIG. 5;

FIG. 7 is a schematic view of section B-B of FIG. 5;

fig. 8 is a schematic structural view of card strip 71 and card slot 321.

Reference numerals: 1-an extension tube, 2-a fixed plug, 3-a vent tube II, 4-a medicine delivery short tube, 5-an air bag, 6-a needle head, 7-a needle cylinder, 8-a piston head, 9-a piston rod, 10-an auxiliary expansion mechanism, 11-a fixed shaft, 12-an expansion component, 13-a rubber sleeve, 14-a rubber connecting block, 15-a piston handle, 16-a vent tube I, 17-a piston head II, 18-a piston rod II, 19-a spring, 20-a spiral strip, 21-an upper connecting cylinder, 22-a lower connecting cylinder, 23-a sealing plate, 24-a connecting cylinder II, 25-an external thread, 26-an internal thread, 27-a permanent magnet, 28-scales, 30-a handheld pushing part, 31-a connecting shaft and 32-a front handle, 33-rear handle, 34-torsion spring, 71-clamping strip, 81-perforation, 91-slotted hole, 121-supporting rod, 122-sleeve, 123-pre-tightening spring, 124-connecting rod, 321-clamping seam and 331-clamping groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1, 2 and 5, the novel uniform anesthesia medicine distributor for gynecological and obstetrical care comprises an injection medicine feeding mechanism and a uniform medicine distributing mechanism, wherein the uniform medicine distributing mechanism comprises an extending pipe 1 with a closed head end and a fixed plug 2 fixed at the tail end, medicine distributing holes are uniformly distributed on the side wall of the extending pipe 1, a vent pipe II 3 and a medicine feeding short pipe 4 which penetrate through the fixed plug 2 are fixed on the fixed plug 2, the medicine feeding short pipe 4 is communicated with the extending pipe 1, and the lower end of the vent pipe II 3 is connected with an air bag 5 positioned in the extending pipe 1; as shown in fig. 2, 3 and 4, an auxiliary expanding mechanism 10 is arranged inside the airbag 5, the auxiliary expanding mechanism 10 includes a fixing shaft 11 arranged at a central line of the airbag 5 and at least 3 layers of expanding assemblies 12 uniformly fixed on the fixing shaft 11 in a vertical direction, rubber sleeves 13 are arranged outside two ends of the fixing shaft 11, and outer surfaces of the rubber sleeves 13 are fixed on inner surfaces of the airbag 5 through rubber connecting blocks 14; the expansion assembly 12 comprises a plurality of telescopic supporting rods 121 uniformly arranged along the circumference of the fixed shaft 11, the other ends of the supporting rods 121 are fixed on the inner surface of the air bag 5, sleeves 122 which are just sleeved on the supporting rods 121 are arranged on the supporting rods 121 at the other ends, pre-tightening springs 123 wound on the supporting rods 121 are arranged between the sleeves 122 and the fixed shaft 11, and a connecting rod 124 is connected between the sleeves 122 of each two adjacent layers of expansion assemblies 12; the injection medicine feeding mechanism comprises an injector device communicated with the medicine feeding short pipe 4, an air charging device communicated with the vent pipe II 3 and a rotary driving device for driving the extension pipe 1 to rotate.

In this embodiment, as shown in fig. 1, the syringe device comprises a needle 6, a syringe barrel 7, a piston head 8, a piston rod 9 and a piston handle 15 assembled according to a general syringe structure, and the inflation device comprises a first vent pipe 16, a second piston head 17 hermetically arranged in the first vent pipe 16, and a second piston rod 18 fixed on the second piston head 17; one end of the first vent pipe 16 is arranged in the middle of the piston head 8, the other end of the first vent pipe is positioned at the liquid outlet of the needle cylinder 7, a pipe plug is arranged at the pipe orifice of the first vent pipe 16, and a through hole 81 for the first vent pipe 16 to pass through is formed in the piston head 8; the piston rod 9 is internally provided with a slotted hole 91 which is communicated with the through hole 81 and can accommodate the vent pipe I16, the other end of the slotted hole 91 extends to the joint of the piston rod 9 and the piston handle 15, the piston rod II 18 is positioned in the slotted hole 91, and one end of the piston rod II 18, which is far away from the piston head II 17, is connected to a spring 19 fixed in the middle of the joint of the piston handle 15 and the piston rod 9. Based on the basic injector structure, a first vent pipe 16 is arranged in the needle cylinder 7, the first vent pipe 16, a second piston head 17 and a second piston rod 18 form an injector action structure, and the piston handle 15 can simultaneously push liquid medicine (through the piston rod 8) in the needle cylinder 7 and gas (through the second piston rod 18) in the first vent pipe 16 in the pushing process, so that the effect of achieving two functions by one-step operation is realized; and a spring 19 is arranged between the second piston rod 18 and the piston handle 15, so that the starting delay effect is achieved, the liquid medicine is firstly sent, and then the liquid medicine and the gas are simultaneously sent, so that the automatic liquid medicine feeding device is more suitable for actual requirements.

In this embodiment, as shown in fig. 1, the syringe 7 is transparent and the sidewall of the syringe 7 is marked with a scale 28. With the scale 28, the quantitative standard is provided, the quantitative visualization can be visually and accurately realized no matter the amount of the anesthetic liquid medicine is extracted or the amount of the anesthetic liquid medicine is injected, and the quantitative visualization method has higher application value.

In this embodiment, as shown in fig. 1, the rotation driving device includes a spiral strip 20 wound around the outer surface of the vent pipe 16 along the length direction of the vent pipe 16, and the hole shape of the perforation 81 is just matched with the cross section of the vent pipe 16 to which the spiral strip 20 is fixed. When the piston head 8 pushes downwards, the through hole 81 moves along the vent pipe one 16, because the through hole 81 only allows the vent pipe one 16 and the spiral strip 20 with one width to pass through, and the spiral strip 20 is spiral, then the vent pipe one 16 is required to pass through the through hole 81 smoothly, and the effective driving of the rotary driving device is achieved successfully.

In this embodiment, as shown in fig. 1, 5, 6 and 7, an upper connecting cylinder 21 is fixed at the liquid outlet of the needle cylinder 7, a lower connecting cylinder 22 assembled with the upper connecting cylinder 21 is installed on the upper portion of the fixing plug 2, a concave sealing plate 23 whose periphery is attached to the inner wall of the lower connecting cylinder 22 is arranged in the lower connecting cylinder 22, the sealing plate 23 is sleeved on the outer side of the vent pipe two 3, and at least one through hole for fixing the medicine feeding short pipe 4 is arranged at the lower concave portion of the sealing plate 23; the vent pipe II 3 is detachably connected with the vent pipe I16; and a second connecting cylinder 24 assembled with the upper connecting cylinder 21 is arranged on the needle 6. After the upper connecting cylinder 21 and the lower connecting cylinder 22 are assembled, the liquid medicine is fed into the lower connecting cylinder 22 through an injection medicine feeding mechanism and is positioned at the upper part of the sealing plate 23, the liquid medicine enters the medicine feeding short pipe 4 through the through hole at the concave part below the sealing plate 23 and then smoothly enters the extension pipe 1, and then the liquid medicine can be discharged from the medicine distribution hole on the extension pipe 1 to anaesthetize the anaesthetized part; the detachable connection between the vent pipe II 3 and the vent pipe I16, and the connecting cylinder II 24 arranged on the needle 6 are all used for meeting the dismounting requirement of the injection medicine feeding mechanism.

In the present embodiment, as shown in fig. 5, 6 and 7, the outer side of the upper connecting cylinder 21 is provided with an external thread 25, and the inner sides of the lower connecting cylinder 22 and the second connecting cylinder 24 are provided with an internal thread 26 matched with the external thread 25; the connection ends of the first air pipe 16 and the second air pipe 3 are respectively provided with a permanent magnet 27 which is attracted magnetically. Because the upper connecting cylinder 21 and the lower connecting cylinder 22 and the second connecting cylinder 24 need to have the dismounting and combining functions, the upper connecting cylinder and the lower connecting cylinder are connected through threads, the operation is easy, and the connection stability is high. The first air pipe 16 and the second air pipe 3 are connected magnetically, so that the connection instantaneity is high, and the connection stability is high.

In this embodiment, as shown in fig. 1, the injection and drug delivery mechanism further comprises a handheld pushing component 30, the handheld pushing component 30 comprises a front handle 32 and a rear handle 33 which are strung together by a connecting shaft 31, the other end of the front handle 32 is installed in the middle of the outer side of the syringe 7, and the rear handle 33 is installed on the outer side of the piston handle 15; two spring strips are sleeved and installed in the middle of the connecting shaft 31 and respectively embedded into the torsion springs 34 of the front handle 32 and the rear handle 33. After the injector device is installed on the hand-held pushing component 30, the piston handle 15 is pushed by slowly holding the hand-held component, and then the medicine feeding and distributing processes can be completed. Utilize the grip of whole hand to replace the thrust of thumb, change in the application of force, and the effect of power effect is stronger, has practiced thrift injection time, has still avoided medical personnel's hand ache and the sense of fatigue in the injection in-process.

In this embodiment, as shown in fig. 1 and 8, a fastening slot 321 is provided at a position where the needle cylinder 7 is mounted on the front handle 32, and a fastening strip 71 adapted to the fastening slot 321 is provided at a corresponding position of the needle cylinder 7; a clamping groove 331 matched with the piston handle 15 is arranged at the position of the rear handle 33 where the piston handle 15 is arranged. The front handle 32 is connected with the syringe 7 in a clamping manner, and the piston handle 15 can be directly arranged in the clamping groove 331 of the rear handle 33, so that the hand-held pushing component can be conveniently installed and detached, the injection process of the injection device can be promoted, and the medicine drawing process of the injection device and the work of other devices can not be influenced.

The specific application process of the uniform anesthesia medicine distributor for gynecological nursing is as follows:

(1) extracting anesthetic liquid medicine: after the extension tube 1 slowly extends into the pudendum of a patient, the second connecting cylinder 24 of the needle 6 is arranged on the upper connecting cylinder 21 (the tube plug at the tube opening of the first vent tube 116 is not taken down, the first vent tube 16 is filled with gas), the needle 6 is extended into a medicine bottle filled with anesthetic liquid medicine, the piston rod 9 is pulled backwards, the piston head 8 moves backwards, and the extracted medicine amount is observed through the scale 28 until the required value is reached;

(2) preparation before anesthesia: the needle 6 is detached, the pipe plug at the pipe orifice of the first vent pipe 16 is detached, the upper connecting cylinder 21 is installed on the lower connecting cylinder 22, and at the moment, the permanent magnets 27 on the first vent pipe 16 and the second vent pipe 3 are just tightly connected; a front handle 32 and a rear handle 33 of the hand-held pushing component 30 are respectively arranged on the needle cylinder 7 and the piston handle 15;

(3) starting anesthesia: holding the front handle 32 and the rear handle 33 by hands and slowly pinching, starting to inject liquid medicine, firstly entering the lower connecting cylinder 22 above the sealing plate 23, then entering the extension tube 1 through the medicine feeding short tube 4, and finally discharging the liquid medicine to an anesthesia part from the medicine distribution hole;

(4) when the injection amount meets the requirement, stopping the injection, removing the hand-held pushing component 30, pulling the piston handle 15 backwards, pumping the gas in the air bag 5 back to the vent pipe I16, then removing the upper connecting cylinder 21 and the lower connecting cylinder 22, and covering a pipe plug on the vent pipe I16 in time; and finally, slowly withdrawing the extending pipe 1.

The specific process of injecting the liquid medicine in the step (3) is as follows: in the early stage of liquid medicine injection, the piston handle 15 acts on the piston rod 9 and the spring 19, the piston rod 9 moves forwards to push the anesthetic liquid medicine for injection, the spring 19 is compressed, and the air bag 5 is not inflated; when the spring 19 is not compressed any more, the piston handle 15 acts on the piston rod 9 and the second piston rod 18, the second piston rod 18 moves forwards to push the gas to inflate, the airbag 5 expands, when a certain part of the airbag expands firstly, the pre-tightening spring 123 on the corresponding expansion assembly 12 in the part expands outwards, the sleeve 122 moves outwards, the connecting rod 124 drives the sleeve 122 on the expansion assembly 12 adjacent to the layer of expansion assembly 12 to move outwards, so that the airbag 5 expands uniformly, a uniform thrust effect is generated on the anesthetic liquid medicine extending into the tube 1, the liquid medicine is promoted to be discharged, and the purpose of uniform medicine distribution is achieved; during the injection process, the piston head 8 pushes downwards, and the relative motion between the vent pipe I16 with the spiral strip 20 and the through hole 81 generates the rotation power, so that the vent pipe I16 rotates, the vent pipe II 3 rotates, and then the fixed plug 2 and the extension pipe 1 rotate together (at this time, the lower connecting cylinder 22 and the medicine delivery short pipe 4 do not rotate, so as to avoid influencing the connection stability between the injection medicine delivery mechanism and the uniform medicine distribution mechanism). The rotation of the extension tube 1 makes the anesthetic liquid medicine receive the centrifugal force, further promotes the discharge of the liquid medicine, and simultaneously also promotes the uniformity of the medicine distribution.

According to the invention, the medicine distribution uniformity is high, the operation is simple, the time and the labor are saved, and the quantitative visualization function is realized.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides an even anesthesia medicine distributor of gynaecology and obstetrics's nursing, its characterized in that send medicine mechanism and even medicine distribution mechanism including the injection, even medicine distribution mechanism includes that the head end seals and the end is fixed with stretching into pipe (1) of fixed stopper (2), stretch into evenly having spread all over the medicine hole on pipe (1) lateral wall, be fixed with breather pipe two (3) and send medicine nozzle stub (4) that run through fixed stopper (2) on fixed stopper (2), send medicine nozzle stub (4) intercommunication to stretch into pipe (1), breather pipe two (3) lower extreme is connected with and is located gasbag (5) that stretch into in pipe (1), gasbag (5) inside is equipped with supplementary expanding mechanism (10), supplementary expanding mechanism (10) are including fixed axle (11) of locating gasbag (5) central line department and evenly fix 3 at least layer expansion block (12) on fixed axle (11) in vertical direction, rubber sleeves (13) are arranged on the outer sides of two ends of the fixed shaft (11), and the outer surfaces of the rubber sleeves (13) are fixed on the inner surface of the air bag (5) through rubber connecting blocks (14); the expansion assembly (12) comprises a plurality of telescopic supporting rods (121) which are uniformly arranged along the circumference of the fixed shaft (11), the other ends of the supporting rods (121) are fixed on the inner surface of the air bag (5), sleeves (122) which are just sleeved on the supporting rods (121) are arranged on the supporting rods (121), pre-tightening springs (123) which are wound on the supporting rods (121) are arranged between the sleeves (122) and the fixed shaft (11), and connecting rods (124) are connected between the sleeves (122) of every two adjacent layers of expansion assemblies (12); the injection medicine feeding mechanism comprises an injector device communicated with the medicine feeding short pipe (4), an air charging device communicated with the vent pipe II (3) and a rotary driving device for driving the extension pipe (1) to rotate;

the syringe device comprises a needle (6), a syringe (7), a piston head (8), a piston rod (9) and a piston handle (15) which are assembled according to a common syringe structure, the inflation device comprises a first vent pipe (16), a second piston head (17) which is arranged in the first vent pipe (16) in a sealing way, and a second piston rod (18) which is fixed on the second piston head (17); one end of the vent pipe I (16) is arranged in the middle of the piston head (8), the other end of the vent pipe I is positioned at the liquid outlet of the needle cylinder (7), a pipe plug is arranged at the pipe orifice of the vent pipe I (16) positioned at the liquid outlet of the needle cylinder (7), and a through hole (81) for the vent pipe I (16) to pass through is formed in the piston head (8); a slotted hole (91) which is communicated with the through hole (81) and can accommodate the vent pipe I (16) is formed in the piston rod (9), the other end of the slotted hole (91) extends to the joint of the piston rod (9) and the piston handle (15), the piston rod II (18) is positioned in the slotted hole (91), and one end, far away from the piston head II (17), of the piston rod II (18) is connected to a spring (19) fixed in the middle of the joint of the piston handle (15) and the piston rod (9); the rotary driving device comprises a spiral strip (20) which is wound and fixed on the outer surface of a first vent pipe (16) along the length direction of the first vent pipe (16), the hole shape of a perforation (81) is just matched with the cross section of the first vent pipe (16) fixed with the spiral strip (20), an upper connecting cylinder (21) is fixed at a liquid outlet of the needle cylinder (7), a lower connecting cylinder (22) assembled with the upper connecting cylinder (21) is installed at the upper part of the fixed plug (2), a concave sealing plate (23) with the periphery attached to the inner wall of the lower connecting cylinder (22) is arranged in the lower connecting cylinder, the sealing plate (23) is sleeved on the outer side of a second vent pipe (3), and at least one through hole for fixing a medicine feeding short pipe (4) is formed in the concave part of the sealing plate; the vent pipe II (3) is detachably connected with the vent pipe I (16); and a second connecting cylinder (24) assembled with the upper connecting cylinder (21) is arranged on the needle head (6).

2. The uniform anesthesia medicine dispenser for gynecological and obstetrical care according to claim 1, characterized in that the syringe (7) is transparent and the side wall of the syringe (7) is marked with a scale (28).

3. The uniform anesthesia medicine distributor for gynecological and obstetrical care according to claim 1, characterized in that the outer side of the upper connecting cylinder (21) is provided with an external thread (25), and the inner sides of the lower connecting cylinder (22) and the second connecting cylinder (24) are provided with an internal thread (26) matched with the external thread (25); the connecting ends of the first vent pipe (16) and the second vent pipe (3) are respectively provided with a permanent magnet (27) which is attracted magnetically.

4. The uniform anesthesia medicine distributor for gynecological and obstetric care according to claim 3, characterized in that said injection and medicine feeding mechanism further comprises a hand-held pushing component (30), said hand-held pushing component (30) comprises a front handle (32) and a rear handle (33) strung together by a connecting shaft (31), the other end of said front handle (32) is installed in the middle of the outside of the syringe (7), said rear handle (33) is installed outside the piston handle (15); and the middle part of the connecting shaft (31) is sleeved with a torsion spring (34) with two spring strips respectively embedded into the front handle (32) and the rear handle (33).

5. The uniform anesthesia medicine distributor for gynecological and obstetrical care according to claim 4, characterized in that a position on the front handle (32) where the needle cylinder (7) is mounted is provided with a clamping seam (321), and a corresponding position on the needle cylinder (7) is provided with a clamping strip (71) matched with the clamping seam (321); a clamping groove (331) matched with the piston handle (15) is formed in the position, where the piston handle (15) is installed, of the rear handle (33).