CN116764030B - Injection device for local analgesia of postoperative wound - Google Patents
Injection device for local analgesia of postoperative wound Download PDFInfo
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- CN116764030B CN116764030B CN202311029063.5A CN202311029063A CN116764030B CN 116764030 B CN116764030 B CN 116764030B CN 202311029063 A CN202311029063 A CN 202311029063A CN 116764030 B CN116764030 B CN 116764030B
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- 238000002347 injection Methods 0.000 title claims abstract description 69
- 239000007924 injection Substances 0.000 title claims abstract description 69
- 206010052428 Wound Diseases 0.000 title claims abstract description 40
- 208000027418 Wounds and injury Diseases 0.000 title claims abstract description 40
- 230000002980 postoperative effect Effects 0.000 title claims abstract description 21
- 230000036592 analgesia Effects 0.000 title claims abstract description 18
- 239000003814 drug Substances 0.000 claims abstract description 166
- 239000002184 metal Substances 0.000 claims abstract description 63
- 229940079593 drug Drugs 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000001647 drug administration Methods 0.000 claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims description 28
- 238000012377 drug delivery Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 12
- 238000011084 recovery Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010255 intramuscular injection Methods 0.000 abstract description 4
- 239000007927 intramuscular injection Substances 0.000 abstract description 4
- 238000001990 intravenous administration Methods 0.000 abstract description 4
- 238000010254 subcutaneous injection Methods 0.000 abstract description 4
- 239000007929 subcutaneous injection Substances 0.000 abstract description 4
- 208000002193 Pain Diseases 0.000 description 12
- 230000036407 pain Effects 0.000 description 11
- 230000000202 analgesic effect Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 208000004550 Postoperative Pain Diseases 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 208000035965 Postoperative Complications Diseases 0.000 description 2
- 208000002847 Surgical Wound Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 206010000050 Abdominal adhesions Diseases 0.000 description 1
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 206010012335 Dependence Diseases 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 208000005298 acute pain Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 230000036737 immune function Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000001428 peripheral nervous system Anatomy 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M19/00—Local anaesthesia; Hypothermia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1588—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body having means for monitoring, controlling or visual inspection, e.g. for patency check, avoiding extravasation
Landscapes
- Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
An injection device for local analgesia of a postoperative wound comprises a medicine diversion bin and a medicine injection base sleeved at the bottom of the medicine diversion bin; the bottom of the medicine distribution bin is provided with a plurality of metal medicine feeding needles, medicine distribution grooves communicated with all the metal medicine feeding needles are formed in the medicine distribution bin, and medicine feeding ports communicated with the medicine distribution grooves are formed in the medicine distribution bin; a plurality of retaining needles which are in one-to-one correspondence with the metal drug administration needles are formed at the bottom of the drug injection base, and are sleeved outside the corresponding metal drug administration needles; the medicine injection base is also provided with a needle returning mechanism for jacking the medicine diversion bin and the metal medicine feeding needle; compared with the prior art, the application is arranged on the surface of the wound, avoids side effects caused by oral administration and intravenous administration, and simultaneously avoids the inconvenience of subcutaneous injection and intramuscular injection and the influence of the recovery time of the wound caused by the placement of a catheter.
Description
Technical Field
The application relates to the technical field of wound injection analgesia, in particular to an injection device for local analgesia of a postoperative wound.
Background
The wound and postoperative incision pain stimulus can cause adverse effects on various systems in the body, so that the recovery of the body is delayed, and postoperative pain not only brings physical pain and psychological burden to a patient, but also can cause abnormality of gastrointestinal tract function, heart and lung function, blood coagulation function, endocrine metabolism and the like of the patient, thereby causing various complications and seriously affecting the postoperative recovery process of the patient.
In the prior art, postoperative pain relief is generally used to cope with the pain relief of a postoperative wound, the pain is remarkably relieved for a patient by injecting medicines, the postoperative pain is controlled within a range which can be born by the patient, and the occurrence rate of side effects is minimized.
According to the current technical level, the postoperative analgesia is very effective and sufficiently safe, the effective analgesia can also improve sleep, strengthen postoperative immune function, enable patients to dare cough to remove phlegm, move out of bed in advance and the like, thereby accelerating postoperative rehabilitation, effectively reducing postoperative complications such as pulmonary infection, venous embolism of lower limbs, intestinal adhesion and the like, and the postoperative analgesia is carried out by adopting a proper method so as to lighten or eliminate acute pain caused by surgical wounds of patients, lighten and prevent a series of stress reactions caused by the surgical wounds, reduce the occurrence of postoperative complications, and good postoperative analgesia is beneficial to the rehabilitation of the patients, and can also shorten hospitalization time and corresponding cost.
The traditional analgesic is mainly applied to the central or peripheral nervous system, and is used for selectively inhibiting and relieving various pains, relieving fear of tension and anxiety pain caused by the pains, the traditional analgesic method comprises the modes of oral administration of the analgesic, intravenous administration, subcutaneous injection, intramuscular injection and the like, and the modes of oral administration and intravenous administration can cause the repeated use of part of the analgesic, thus the addiction is easy to produce, and the subcutaneous injection and the intramuscular injection have the inconvenience of injecting the pains, and although the administration can be carried out for a long time through the imbedded catheter, the imbedded catheter can influence the recovery of wounds.
Chinese patent No. CN103656831a discloses an aspiration type wound analgesic apparatus, which comprises a double-cavity wound inner embedding tube, wherein the double-cavity wound inner embedding tube comprises a drainage embedding tube cavity and an administration embedding tube cavity, a plurality of drainage holes are arranged on the tube wall corresponding to the drainage embedding tube cavity, the drainage holes are communicated with the drainage embedding tube cavity, a plurality of liquid medicine exudation micropores for exuding liquid medicine are arranged on the tube wall corresponding to the administration embedding tube cavity, and the liquid medicine exudation micropores are communicated with the administration embedding tube cavity; the drainage embedded tube cavity is connected with a drainage device for leading out effusion, and the administration embedded tube cavity is connected with an administration device for administration.
The wound analgesic device needs to embed the embedded pipe in the double-cavity wound, and can realize long-time administration to the wound, but in the actual use process, secondary tearing of the wound is easy to be caused when the embedded pipe is embedded, so that tearing of the wound is aggravated, and meanwhile, the embedded pipe is embedded for a long time, so that recovery of the wound is influenced.
Disclosure of Invention
The application aims to overcome the defects in the prior art, and provides the injection device for local analgesia of the postoperative wound, which is convenient to operate and does not influence normal recovery of a patient.
In order to achieve the above object, the present application adopts the following technical scheme: an injection device for local analgesia of a postoperative wound comprises a medicine diversion bin and a medicine injection base sleeved at the bottom of the medicine diversion bin; the bottom of the medicine distribution bin is provided with a plurality of metal medicine feeding needles, medicine distribution grooves communicated with all the metal medicine feeding needles are formed in the medicine distribution bin, and medicine feeding ports communicated with the medicine distribution grooves are formed in the medicine distribution bin; a plurality of retaining needles which are in one-to-one correspondence with the metal drug administration needles are formed at the bottom of the drug injection base, and are sleeved outside the corresponding metal drug administration needles; the medicine injection base is also provided with a needle returning mechanism for jacking the medicine diversion bin and the metal medicine feeding needle.
As a preferable scheme of the application, the metal dosing needle point is positioned below the indwelling needle point, and after the needle returning mechanism lifts the medicine diversion bin and the metal dosing needle, the metal dosing needle point is positioned above the indwelling needle point.
As a preferable scheme of the application, a plurality of metal drug administration needles are positioned at two sides of the drug diversion bin along the length direction, a plurality of metal drug administration needles at two sides are arranged in a row, a plurality of indwelling needles are positioned at two sides of the drug injection base along the length direction, and a plurality of indwelling needles at two sides are arranged in a row.
As a preferable scheme of the application, the needle return mechanism comprises push-pull plates arranged on two opposite sides of the drug injection base, a limiting frame corresponding to the push-pull plates is formed in the drug injection base, the limiting frame is always abutted against two sides of the corresponding push-pull plates, and a push-pull space convenient for the push-pull plates to stretch is formed between the limiting frame and the ends of the push-pull plates.
As a preferable scheme of the application, the metal drug delivery needle is communicated with the lower surface of the drug diversion groove, and a sealing sheet for preventing the drug from flowing back is arranged between the drug diversion bin and the drug injection base.
As a preferable mode of the application, the sealing piece is provided with a notch corresponding to the limit frame.
As a preferable scheme of the application, the push-pull plate comprises a push-pull main body and a driving plate which are connected, the size of the driving plate is smaller than that of the push-pull main body, the push-pull main body is arranged in the limiting frame, and a limiting hole matched with the driving plate is formed on the side wall of the medicine injection base.
As a preferable scheme of the application, the end part of the push-pull main body is provided with an obliquely arranged jacking inclined plane, and the jacking inclined plane is inclined upwards towards the direction of the driving plate.
As a preferable scheme of the application, a clamping groove matched with the push-pull main body is formed at the bottom of the medicine diversion bin, and a matching inclined plane matched with the jacking inclined plane is formed at one side of the clamping groove.
As a preferable scheme of the application, a plurality of limiting ribs are vertically arranged on the inner wall of the medicine injection base, and limiting clamping grooves which are clamped with the limiting ribs are formed on the outer wall of the medicine distribution bin.
Compared with the prior art, the application has the beneficial effects that:
the medicine distribution bin and the medicine injection base which are sleeved with each other are arranged, and the needle returning mechanism for jacking the medicine distribution bin is arranged, so that a metal medicine feeding needle of the medicine distribution bin returns after puncturing the skin, injection pain caused by long-time subcutaneous registration is prevented, meanwhile, the medicine feeding needle is arranged on an indwelling needle sleeved with the metal medicine feeding needle, and after the metal medicine feeding needle returns, the indwelling needle plays a long-time medicine feeding role, and the pain relieving requirement of a patient is met;
under the action of the medicine shunt groove and the metal dosing needle arranged at the bottom of the medicine shunt groove, when the metal dosing needle is used for dosing, the air in the medicine shunt groove and the metal dosing needle can be emptied in advance, so that the injection safety of medicine is ensured;
the application is arranged on the surface of a wound, avoids side effects caused by oral administration and intravenous administration, and simultaneously avoids pain inconvenience caused by subcutaneous injection and intramuscular injection and recovery time of the wound influenced by the placement of a catheter.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of a medication injection base;
FIG. 4 is a schematic view of the structure of a drug delivery cartridge;
FIG. 5 is an exploded view of the present application;
FIG. 6 is a front view of the drug delivery cartridge in a raised condition;
FIG. 7 is a top view of the present application;
FIG. 8 is a cross-sectional view taken along the A-A plane in FIG. 7;
FIG. 9 is a cross-sectional view of the B-B plane of FIG. 7;
FIG. 10 is a front view of the present application with the return needle mechanism inactive;
FIG. 11 is a cross-sectional view of the C-C plane of FIG. 10;
reference numerals: the medicine reposition of redundant personnel storehouse 1, joint groove 11, cooperation inclined plane 12, spacing draw-in groove 13, medicine shunt groove 14, sealing piece 2, breach 21, medicine injection base 3, spacing frame 31, spacing hole 32, spacing protruding muscle 33, back needle mechanism 4, push-and-pull board 5, push-and-pull main part 51, drive plate 52, jacking inclined plane 53, metal administration needle 6, keep somewhere needle 7, mouth 8 of dosing.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-11, an injection device for local analgesia of a postoperative wound comprises a medicine diversion bin 1 and a medicine injection base 3 sleeved at the bottom of the medicine diversion bin 1; the bottom of the medicine distribution bin 1 is provided with a plurality of metal medicine feeding needles 6, medicine distribution grooves 14 communicated with all the metal medicine feeding needles 6 are formed in the medicine distribution bin 1, and a medicine feeding port 8 communicated with the medicine distribution grooves 14 is formed in the medicine distribution bin 1; a plurality of detaining needles 7 which are in one-to-one correspondence with the metal drug administration needles 6 are formed at the bottom of the drug injection base 3, and the detaining needles 7 are sleeved outside the corresponding metal drug administration needles 6; the medicine injection base 3 is also provided with a needle return mechanism 4 for lifting the medicine distribution bin 1 and the metal medicine feeding needle 6.
The medicine injection base 3 cup joints in medicine reposition of redundant personnel storehouse 1 bottom when clearance cooperation, and the metal on the medicine reposition of redundant personnel storehouse 1 is given medicine needle 6 quantity and is set up according to actual need, keeps somewhere needle 7 quantity and metal and is given medicine needle 6 quantity and unanimous, under the effect of needle return mechanism 4, metal is given medicine needle 6 over-and-under type and is set up in keeping somewhere needle 7.
The metal dosing needle 6 is fixedly connected to the lower surface of the medicine distribution bin 1 in an interference fit mode, the needle tip positions of all the metal dosing needles 6 on the medicine distribution bin 1 are flush, the indwelling needle 7 is fixedly connected to the lower surface of the medicine injection base 3 in an interference fit mode, and the needle tip positions of all the indwelling needles 7 on the medicine injection base 3 are flush.
The medicine shunt groove 14 is of a cavity structure formed in the medicine shunt bin 1, the medicine shunt groove 14 is only communicated with the metal medicine feeding needle 6 and the medicine feeding port 8, and the medicine feeding port 8 is connected with a syringe or an analgesic pump through a catheter, so that medicine feeding operation at the medicine feeding port 8 is realized under the action of the syringe or the analgesic pump.
The metal administration needles 6 are arranged on two sides of the medicine distribution bin 1 along the length direction, the metal administration needles 6 on two sides are arranged in rows, the retaining needles 7 are arranged on two sides of the medicine injection base 3 along the length direction, and the retaining needles 7 on two sides are arranged in rows.
The metal drug delivery needles 6 arranged in rows are equidistantly arranged, the indwelling needles 7 in two rows correspond to wounds, the indwelling needles 7 in two rows are respectively arranged on two sides of the wounds, the bottoms of the drug injection bases 3 can be arc-shaped structures, accordingly the wounds are corresponding, the wounds are not extruded, and recovery of the wounds is facilitated.
The needle return mechanism 4 comprises push-pull plates 5 arranged on two opposite sides of the drug injection base 3, a limiting frame 31 corresponding to the push-pull plates 5 is formed in the drug injection base 3, the limiting frame 31 is always abutted against two sides of the corresponding push-pull plates 5, and a push-pull space which is convenient for the push-pull plates 5 to stretch is formed between the limiting frame 31 and the end parts of the push-pull plates 5.
The metal drug delivery needle 6 is communicated with the lower surface of the drug diversion groove 14, a sealing piece 2 for preventing the drug from flowing back is arranged between the drug diversion bin 1 and the drug injection base 3, and a notch 21 corresponding to the limit frame 31 is formed on the sealing piece 2.
The medicine is dosed through the metal dosing needle 6, because the metal dosing needle 6 is sleeved in the remaining needle 7, a gap exists between the remaining needle 7 and the metal dosing needle 6, and when the medicine flows back through the gap between the remaining needle 7 and the metal dosing needle 6, the medicine is blocked under the action of the sealing sheet 2, so that the medicine is prevented from flowing back, and the remaining needle 7 is ensured to have a better injection effect.
The push-and-pull plate 5 sets up in the opposite both sides of medicine injection base 3 length direction, and push-and-pull plate 5 remove and connect in medicine injection base 3, and spacing frame 31 carries out spacingly to the direction of movement of push-and-pull plate 5, ensures the mobility stability of push-and-pull plate 5, under the effect of spacing frame 31 for push-and-pull plate 5 telescopic removal in the push-and-pull space that spacing frame 31 encloses.
The push-pull plate 5 comprises a push-pull main body 51 and a driving plate 52 which are connected, the size of the driving plate 52 is smaller than that of the push-pull main body 51, the push-pull main body 51 is arranged in the limiting frame 31, and a limiting hole 32 matched with the driving plate 52 is formed on the side wall of the medicine injection base 3.
When the push-pull plate 5 is pulled outwards, the push-pull main body 51 is abutted with the side wall of the drug injection base 3, so that the limit of the push-pull plate 5 on the drug injection base 3 is realized, and meanwhile, the limit hole 32 can play a certain guiding role, so that the stability of the push-pull main body 51 in the telescoping process is ensured.
The end of the push-pull main body 51 is provided with a jacking inclined plane 53 which is obliquely arranged, the jacking inclined plane 53 is inclined upwards towards the direction of the driving plate 52, the bottom of the medicine diversion bin 1 is provided with a clamping groove 11 which is matched with the push-pull main body 51, and one side of the clamping groove 11 is provided with a matching inclined plane 12 which is matched with the jacking inclined plane 53.
Under the cooperation of the cooperation inclined plane 12 and the jacking inclined plane 53, when the jacking inclined plane 53 passes through the cooperation inclined plane 12, the upper surface of the push-pull main body 51 is in butt joint with the lower surface of the medicine distribution bin 1, so that the medicine distribution bin 1 is jacked under the action of the push-pull main body 51, and the needle returning operation of a plurality of metal medicine feeding needles 6 connected with the medicine distribution bin 1 is realized.
When the push-pull main body 51 is clamped in the clamping groove 11, and the jacking inclined plane 53 is abutted against the matching inclined plane 12, at the moment, the thickness of the push-pull main body 51 is the same as the sum of the depth of the clamping groove 11 and the height of the limiting frame 31, the thickness of the sealing piece 2 is consistent with the height of the limiting frame 31, and at the moment, the bottom of the medicine distribution bin 1 is abutted against the sealing piece 2, the limiting frame 31 and the push-pull main body 51 at the same time, so that the medicine distribution bin 1 has better stability.
A plurality of limiting ribs 33 which are vertically arranged are formed on the inner wall of the medicine injection base 3, a limiting clamping groove 13 which is clamped with the limiting ribs 33 is formed on the outer wall of the medicine distribution bin 1,
the inner wall of the medicine injection base 3 is surrounded by a plurality of spacing ribs 33, the outer wall of the medicine distribution bin 1 is surrounded by a plurality of spacing clamping grooves 13, the spacing ribs 33 and the spacing clamping grooves 13 are all vertically arranged, and the movement of the medicine distribution bin 1 in the jacking process is guided under the action of the spacing ribs 33 and the spacing clamping grooves 13, so that the stability of the medicine distribution bin 1 in the jacking process is ensured.
Embodiment one:
when the needle returning mechanism 4 is in a static state, the medicine distribution bin 1 is sleeved in the medicine injection base 3, at the moment, the needle point of the metal medicine feeding needle 6 is positioned below the needle point of the retaining needle 7, the bottom of the medicine distribution bin 1 is simultaneously abutted with the sealing piece 2, the limiting frame 31 and the push-pull main body 51, and the jacking inclined plane 53 is abutted with the matched inclined plane 12.
Embodiment two:
when the needle returning mechanism 4 is in a jacking state, the medicine distribution bin 1 is sleeved in the medicine injection base 3, the needle point of the metal medicine feeding needle 6 is positioned above the needle point of the retaining needle 7, and the bottom of the medicine distribution bin 1 is only in butt joint with the push-pull main body 51.
In the actual use process, the injector or the analgesic pump is connected to the pump conduit and connected with the medicine inlet 8, medicine is pushed into the medicine distribution bin 1 through manual or automatic pushing injection, the medicine is uniformly distributed into each metal injection needle 6 through the medicine distribution grooves 14 in the medicine distribution bin 1, and meanwhile, the air in the medicine distribution grooves 14 and the metal injection needles 6 is discharged under the action of the medicine.
The device is placed at a wound, the device is arranged along the length direction of the wound, the metal injection needles 6 arranged at two sides are arranged at two sides of the wound, the metal injection needles 6 arranged at two sides are used for assisting in puncturing the skin at two sides of the wound under the action of pressing, the push-pull plates 5 at two sides are pressed simultaneously after puncturing is finished, the medicine distribution bin 1 and the metal injection needles 6 are lifted, the metal injection needles 6 are retracted to the position above the needle point of the indwelling needle 7, at the moment, the needle point of the indwelling needle 7 is in contact with the skin at two sides of the wound of a patient, and long-time or intermittent drug administration is carried out through an injector or an analgesic pump.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application; thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the drug delivery cartridge 1, the clamping groove 11, the matching inclined surface 12, the limit clamping groove 13, the drug delivery groove 14, the sealing piece 2, the notch 21, the drug injection base 3, the limit frame 31, the limit hole 32, the limit rib 33, the needle return mechanism 4, the push-pull plate 5, the push-pull main body 51, the driving plate 52, the lifting inclined surface 53, the metal drug delivery needle 6, the indwelling needle 7, the drug delivery port 8 and other terms are not excluded from the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the application; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present application.
Claims (6)
1. An injection device for local analgesia of a postoperative wound comprises a medicine diversion bin (1) and a medicine injection base (3) sleeved at the bottom of the medicine diversion bin (1); the drug delivery device is characterized in that a plurality of metal drug delivery needles (6) are arranged at the bottom of the drug delivery bin (1), drug delivery grooves (14) communicated with all the metal drug delivery needles (6) are formed in the drug delivery bin (1), and drug delivery openings (8) communicated with the drug delivery grooves (14) are formed in the drug delivery bin (1); a plurality of indwelling needles (7) which are in one-to-one correspondence with the metal drug administration needles (6) are formed at the bottom of the drug injection base (3), and the indwelling needles (7) are sleeved outside the corresponding metal drug administration needles (6); the medicine injection base (3) is also provided with a needle return mechanism (4) for jacking the medicine diversion bin (1) and the metal medicine feeding needle (6); the needle return mechanism (4) comprises push-pull plates (5) arranged on two opposite sides of the drug injection base (3), a limiting frame (31) corresponding to the push-pull plates (5) is formed in the drug injection base (3), the limiting frame (31) is always abutted against two sides of the corresponding push-pull plates (5), and a push-pull space which is convenient for the push-pull plates (5) to stretch is formed between the limiting frame (31) and the end parts of the push-pull plates (5); the push-pull plate (5) comprises a push-pull main body (51) and a driving plate (52) which are connected, the size of the driving plate (52) is smaller than that of the push-pull main body (51), the push-pull main body (51) is arranged in the limiting frame (31), and a limiting hole (32) matched with the driving plate (52) is formed in the side wall of the medicine injection base (3); an obliquely arranged jacking inclined plane (53) is formed at the end part of the push-pull main body (51), and the jacking inclined plane (53) is inclined upwards towards the direction of the driving plate (52); the bottom of the medicine diversion bin (1) is provided with a clamping groove (11) which is matched with the push-pull main body (51), and one side of the clamping groove (11) is provided with a matching inclined plane (12) which is matched with the jacking inclined plane (53).
2. An injection device for local analgesia in a postoperative wound according to claim 1 is characterized in that the tip of said metal administration needle (6) is positioned below the tip of the remaining needle (7), and after the needle return mechanism (4) lifts the drug diversion cabin (1) and the metal administration needle (6), the tip of the metal administration needle (6) is positioned above the tip of the remaining needle (7).
3. An injection device for local analgesia in a postoperative wound as claimed in claim 1 characterized in that a plurality of said metal administration needles (6) are located on both sides of the drug diversion chamber (1) in the length direction, and a plurality of said metal administration needles (6) on both sides are arranged in a row, a plurality of remaining needles (7) are located on both sides of the drug injection base (3) in the length direction, and a plurality of remaining needles (7) on both sides are arranged in a row.
4. The injection device for local analgesia of a postoperative wound according to claim 1 is characterized in that said metal drug administration needle (6) is communicated with the lower surface of a drug shunt groove (14), and a sealing sheet (2) for preventing drug from flowing back is arranged between the drug shunt bin (1) and the drug injection base (3).
5. An injection device for local analgesia at a postoperative wound as claimed in claim 4 characterized in that said sealing sheet (2) is formed with notches (21) corresponding to the limit frames (31).
6. The injection device for local analgesia of a postoperative wound according to claim 1, characterized in that a plurality of limiting ribs (33) which are vertically arranged are formed on the inner wall of the drug injection base (3), and a limiting clamping groove (13) which is clamped with the plurality of limiting ribs (33) is formed on the outer wall of the drug diversion bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311029063.5A CN116764030B (en) | 2023-08-16 | 2023-08-16 | Injection device for local analgesia of postoperative wound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311029063.5A CN116764030B (en) | 2023-08-16 | 2023-08-16 | Injection device for local analgesia of postoperative wound |
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| CN1863564A (en) * | 2003-08-12 | 2006-11-15 | 贝克顿·迪金森公司 | Patch-like infusion device |
| CN102427846A (en) * | 2009-03-30 | 2012-04-25 | 梅丁格有限公司 | Devices and methods for enhancing drug absorption rate |
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|---|---|
| CN116764030A (en) | 2023-09-19 |
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