WO2018186658A1 - 외과수술 후 절개부위 통증 감소 또는 치료를 위한 키트 - Google Patents
외과수술 후 절개부위 통증 감소 또는 치료를 위한 키트 Download PDFInfo
- Publication number
- WO2018186658A1 WO2018186658A1 PCT/KR2018/003921 KR2018003921W WO2018186658A1 WO 2018186658 A1 WO2018186658 A1 WO 2018186658A1 KR 2018003921 W KR2018003921 W KR 2018003921W WO 2018186658 A1 WO2018186658 A1 WO 2018186658A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- syringe
- solution
- drug
- temperature
- pain
- Prior art date
Links
- 208000002193 Pain Diseases 0.000 title claims abstract description 137
- 230000036407 pain Effects 0.000 title claims abstract description 74
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- 239000003814 drug Substances 0.000 claims abstract description 138
- 238000000034 method Methods 0.000 claims abstract description 26
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- 229940126585 therapeutic drug Drugs 0.000 claims description 43
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 36
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- 229920000615 alginic acid Polymers 0.000 claims description 34
- 229940071643 prefilled syringe Drugs 0.000 claims description 30
- 229940072056 alginate Drugs 0.000 claims description 23
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- 238000002156 mixing Methods 0.000 claims description 21
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 20
- 208000002847 Surgical Wound Diseases 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
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- 239000007864 aqueous solution Substances 0.000 claims description 13
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
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- 230000006641 stabilisation Effects 0.000 claims description 11
- 238000011105 stabilization Methods 0.000 claims description 11
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- 230000000087 stabilizing effect Effects 0.000 abstract description 2
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- 238000005259 measurement Methods 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 7
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 description 6
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- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 4
- 206010052428 Wound Diseases 0.000 description 4
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- RVGRUAULSDPKGF-UHFFFAOYSA-N Poloxamer Chemical compound C1CO1.CC1CO1 RVGRUAULSDPKGF-UHFFFAOYSA-N 0.000 description 3
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- ZKMNUMMKYBVTFN-HNNXBMFYSA-N (S)-ropivacaine Chemical compound CCCN1CCCC[C@H]1C(=O)NC1=C(C)C=CC=C1C ZKMNUMMKYBVTFN-HNNXBMFYSA-N 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- CEAZRRDELHUEMR-URQXQFDESA-N Gentamicin Chemical compound O1[C@H](C(C)NC)CC[C@@H](N)[C@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](NC)[C@@](C)(O)CO2)O)[C@H](N)C[C@@H]1N CEAZRRDELHUEMR-URQXQFDESA-N 0.000 description 2
- 229930182566 Gentamicin Natural products 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
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- 229910052783 alkali metal Inorganic materials 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
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- 239000000047 product Substances 0.000 description 2
- LEBVLXFERQHONN-UHFFFAOYSA-N 1-butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide Chemical compound CCCCN1CCCCC1C(=O)NC1=C(C)C=CC=C1C LEBVLXFERQHONN-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
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- 230000003637 steroidlike Effects 0.000 description 1
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Images
Classifications
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Definitions
- the present invention after surgery
- the present invention relates to a kit for reducing or treating incisional pain, and more particularly, in stabilization and sustained release by injecting a pain-removing drug or therapeutic drug into the surgical site immediately after incision surgery.
- a kit for reducing or treating incisional pain that allows effective treatment by release to
- the incision site is injected with pain-removing drugs such as local anesthetics for the purpose of reducing pain after surgery, and drugs such as antibiotics and anti-inflammatory drugs are injected for treatment.
- pain-removing drugs such as local anesthetics for the purpose of reducing pain after surgery
- drugs such as antibiotics and anti-inflammatory drugs are injected for treatment.
- various pain elimination or therapeutic drugs that can be changed depending on the size, condition or surgical progress of the surgical site, and if necessary, may need to be used in combination of two or more types. It is not possible to manufacture the wound dressing included in the compounding ratio in advance, and even if it is manufactured in advance, it is not economically desirable to purchase various types, respectively, such as purchase cost and storage cost.
- the present invention is to solve the problems caused by the injection of the drug for the reduction or treatment of conventional surgical incision pain and to accurately and stably inject into the incision site surgical to enable the rapid and effective generation of the intended drug After surgery It is an object to provide a kit for reducing or treating incisional pain.
- the present invention provides a kit for reducing or treating incisional pain
- a surgical kit comprising a; mixed solution injection induction pipe 100 for injecting a mixed solution containing the pain relief or therapeutic drug and a temperature-sensitive viscous solution in close proximity to the exposed incision site.
- the surgical kit for example, the pre-filled syringe 300 is filled with a temperature-sensitive viscous solution used as a stabilization matrix of the pain relief or therapeutic drug and opened and closed through a stopper; and close to the exposed incision site
- the surgical kit may further include, for example, the needle 201 for the first syringe.
- the surgical kit may further include, for example, the needle 202 for the prefield syringe.
- the temperature sensitive viscous solution may be, for example, a solution having a viscosity at 5 ° C. of 50 to 5,000 cps or 100 to 5,000 cps, and a viscosity at 37 ° C. of 100,000 cps or more.
- the temperature sensitive viscous solution may be, for example, a non-pyrogenic viscous solution consisting of polyethylene-polypropylene-polyethylene polymer, alginic acid or sodium alginate, calcium chloride and water for injection.
- the non-pyrogenic viscous solution means that there is no exotherm when the phase is changed into a sol-gel according to the temperature.
- the temperature change is 5 ° C. or less, 3 ° C. or less. It means below ° C.
- the first syringe is, for example, the needle is pre-assembled or fastened immediately before use, it may be that the needle after the pain relief drug filling is separated.
- the mixed solution injection guide tube may be used by being fastened to the prefield syringe so as to inject the mixed solution mixed in the prefield syringe into the incision site, for example.
- the syringe connector may be, for example, an inner diameter, ie, an inner particle diameter of the tube through which the drug passes.
- the surgical kit may further include, for example, absorbing means for absorbing and removing residual moisture around the incision.
- the present invention is a method for using the surgical kit for surgical incision site, the needle is fastened to the first syringe and then inserted into the needle to the pain relief or therapeutic drug to be used during surgery and filling the drug to the indicator line of the first syringe Then disconnecting the connected needle; Removing the stopper of the prefilled syringe, which is pre-filled with a temperature sensitive viscous solution and provided with a straw; Connecting the stoppered prefield syringe to one side of the syringe connector; Connecting the first syringe filled with the drug and the needle separated from the other side of a syringe tube; Mixing the drug with a temperature sensitive viscous solution in a prefield syringe using a piston of a prefilled syringe and a first syringe communicating with a syringe tube; And separating the prefield syringe filled with the mixed solution from the syringe connector after the mixing
- Before injecting the mixed solution into the surgical incision site may further comprise the step of sucking and removing the washing solution used during surgery using the suction suction.
- the mixing ratio of the drug solution and the temperature sensitive viscous solution mixture mixed in the prefield syringe through the syringe connector may be, for example, 1: 0.5 to 40 (drug solution: temperature sensitive viscous solution) or 1: 0.5 to 5 in volume ratio. have.
- the present invention provides a kit for reducing or treating pain in the incision site, the prefilled syringe 300 is filled with a temperature-sensitive viscous solution used as a stabilization matrix of the pain relief or therapeutic drug and opened and closed through a stopper; And a mixed solution induction conduit (100) for injecting a mixed solution including a pain-reducing or therapeutic drug and a temperature-sensitive viscous solution in close proximity to the exposed incision site, wherein the temperature-sensitive viscous solution is poly (ethylene oxide).
- the pain relief or therapeutic drug is an aqueous drug solution, wherein the temperature sensitive viscous solution and the drug aqueous solution have a volume ratio of 1: 0.5 to 40 (drug solution: temperature sensitive viscous solution) or 1: 0.5 to 5, It provides a surgical kit.
- the present invention is a method of using a kit for reducing or treating pain in the incision, the needle is fastened to the first syringe 200 and then inserted into the needle to remove the pain or therapeutic drug to be used in the surgery to the indicator line of the first syringe Separating the connected needle after filling the drug; Removing the stopper of the pre-filled syringe 300, which is pre-filled with a temperature-sensitive viscous solution and provided with a straw; Connecting the prefilled syringe from which the stopper is removed to one side of the syringe connector 400; Connecting the first syringe filled with the drug and the needle separated from the other side of a syringe tube; Mixing the drug with a temperature sensitive viscous solution in a prefield syringe using a piston of a prefilled syringe and a first syringe communicating with a syringe tube; And separating the pre-filled syringe filled with
- the temperature-sensitive viscous solution is a poly (ethylene oxide) / poly (propylene oxide) block poly (ethylene oxide) / poly (propylene oxide) / poly (ethylene oxide) tree containing a ratio of 90: 105 ⁇ 50:70 20 to 40% by weight of block copolymer and residual water for injection, with a viscosity of 50 to 5000 cps or 500 to 3000 cps at 5 ° C., at least 100,000 cps or 100,000 to 2,000,000 cps at 37 ° C., rotatable at 5 ° C.
- Adhesion measured by rheometer is 0.8 N or more
- the pain relief or therapeutic drug is a drug aqueous solution
- the temperature-sensitive viscous solution and the drug aqueous solution volume ratio of 1: 0.5 ⁇ 40 (drug Aqueous solution: temperature sensitive viscous solution) or 1: 0.5 ⁇ 5 provides a method of using a surgical kit.
- the present invention provides a kit for reducing or treating pain in the incision site, the prefilled syringe 300 is filled with a temperature-sensitive viscous solution used as a stabilization matrix of the pain relief or therapeutic drug and opened and closed through a stopper;
- a first syringe 200 for filling pain relief or therapeutic drugs immediately before use to prepare the mixed solution;
- a syringe connector 400 for mixing a substance filled in the first syringe and the prefield syringe, respectively;
- a first syringe needle 201 wherein the temperature-sensitive viscous solution includes a poly (ethylene oxide) block and a poly (propylene oxide) block in a ratio of 90: 105 to 50:70.
- the temperature-sensitive viscous solution and the drug aqueous solution provides a surgical kit, characterized in that the volume ratio of 1: 0.5 ⁇ 40 (drug solution: temperature sensitive viscous solution) or 1: 0.5 ⁇ 2.
- the present invention is a method of using the surgical kit for the surgical incision, the first syringe needle to the first syringe after inserting the needle to the pain relief or therapeutic drug to be used during surgery to the indication line of the first syringe Separating the connected needle after filling the drug; Removing the stopper of the prefilled syringe, which is pre-filled with a temperature sensitive viscous solution and provided with a straw; Connecting the stoppered prefield syringe to one side of the syringe connector; Connecting the first syringe filled with the drug and the needle separated from the other side of a syringe tube; Mixing the drug with a temperature sensitive viscous solution in a prefield syringe using a piston of a prefilled syringe and a first syringe communicating with a syringe tube; And separating the prefilled syringe filled with the mixed solution from the syringe connector after the mixing,
- the temperature-sensitive viscous solution is a poly (ethylene oxide) block and poly (propylene oxide) block poly (ethylene oxide) / poly (propylene oxide) / poly (containing a ratio of 90: 105 ⁇ 50: 70 Ethylene oxide) 20-40% by weight of triblock copolymer, CaCl 2 as crosslinking agent, 0.005 ⁇ 0.1% by weight, 0.05-3% by weight of alginic acid or sodium alginate and water for injection, the viscosity is 50-5000 cps or 500 at 5 ° C.
- the therapeutic drug is a drug aqueous solution
- the temperature sensitive viscosity the drug solution has a volume ratio of 1: provides the use of a surgical kit according to claim 0.5-2 manner: 0.5 to 40 (drug solution: the temperature responsive viscous solution) or 1.
- the temperature-sensitive viscous solution contains 30 wt% or more or 30 to 40 wt% of the triblock copolymer, it does not include a crosslinking agent and / or alginic acid and / or alginate.
- a crosslinking agent and / or alginic acid and / or alginate Preferably, in this case, there is no fear of precipitation when mixed with the drug has the effect of stably sustained release of the drug.
- the alginate may be, for example, a metal alginate, preferably an alkali metal alginate or an alkaline earth metal alginate, most preferably an alkali metal alginate.
- the pain-removing drug or the therapeutic drug that is needed immediately after the incision surgery can be mixed with the temperature-sensitive viscous solution in a simple operation in the surgical operation through the incision.
- Surgical kits can be provided for post-surgical pain reduction (pain / pain relief) and treatment that allow effective treatment by stabilizing and sustained release by infusion.
- FIG. 1 is a photograph showing the overall configuration of a kit for reducing and treating incisional pain in accordance with the present invention.
- Figure 2 is a schematic diagram showing an embodiment according to the change over time using an assembly of the surgical kit of the present invention.
- Figure 3 is a graph showing the measurement results of the stability test (A) of the temperature-sensitive viscous solution contained in the pain relief drug mixture solution of the present invention over time.
- Figure 4 is a graph showing the measurement results of the sustained release test of the pain relief drug in the pain relief drug mixture solution of the present invention over time.
- 5 is a non-use of the pain-relieving drug and the temperature-sensitive viscous solution in the rat plantar pain induction model using the surgical kit of the present invention, the sole use of the pain-relieving drug, the sole use of the temperature-sensitive viscous solution, pain relief drug mixture
- a graph showing the effects of each analgesia / analgesia over time with the use of the solution.
- Figure 6 is a graph showing the measurement results of the stability test according to the cross-linking of the temperature-sensitive viscous solution (containing 30% by weight of the temperature-sensitive polymer) contained in the pain relief drug mixture solution of the present invention over time.
- Figure 7 is a photograph showing the precipitation test results of the pain relief drug mixture solution (left) and the treatment drug mixture solution (right) according to an embodiment of the present invention.
- Figure 8 is a graph showing the measurement results of the sustained-release test of the pain-relieving drug (ibuprofen) of the pain-relieving drug mixed solution according to an embodiment of the present invention over time.
- 9 and 10 are the measurement of the sustained release test when the drug (ropivacaine vs bupivacaine) and the viscous solution (crosslinkability vs. non-crosslinking) in the pain-relieving drug mixture solution according to an embodiment of the present invention Graph showing results over time.
- the present invention relates to a kit for reducing or treating incisional pain, comprising: a pre-filled syringe having a structure filled with a temperature-sensitive viscous solution used as a stabilization matrix of a pain elimination or therapeutic drug and opening and closing through a stopper; And a mixed solution injection guide tube for injecting a mixed solution containing the drug and a temperature sensitive viscous solution in close proximity to the exposed incision site.
- the present invention is a kit for reducing pain in the incision site, a mixed solution induction pipe for injecting a pain-removing drug mixture solution in close proximity to the exposed incision site; and to prepare the pain relief drug mixture solution immediately before use
- a prefilled syringe having a structure in which a temperature-sensitive viscous solution used as a stabilization matrix of the pain relief or therapeutic drug mixture solution is filled and opened and closed through a stopper;
- a syringe connector having opening and closing means for mixing the respective substances filled in the first and prefield syringes.
- the present invention is a method of using the above-described surgical kit in the surgical incision site, unpacking the surgical kit in a sterile place, fastening the needle to the first syringe equipped with a straw, and then used for surgery Inserting a needle into a pain-relieving drug such as an anesthetic and filling the pain-removing drug to the indicator line of the first syringe; A second step of separating the needle connected to the first syringe filled with the pain-relieving drug and removing the stopper of the pre-filled syringe, which is pre-filled with a temperature-sensitive viscous solution and provided with a straw; Connecting a syringe tube to the prefilled syringe from which the stopper is removed, and connecting the first syringe filled with the pain-relieving drug; A fourth step of uniformly mixing the pain-relieving drug with the temperature-sensitive viscous solution in the prefield syringe while pushing the rods of
- kits 10 for reducing incision pain in accordance with the present invention will be described in detail.
- the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, only this embodiment is to make the disclosure of the present invention complete and to those skilled in the art to fully know the scope of the invention It is provided to give.
- Figure 1 shows a kit 10 (hereinafter referred to as "surgical kit of the present invention") for reducing incision pain in accordance with the present invention.
- the surgical kit 10 of the present invention is a mixed solution injection guide tube 100, the first syringe 200, pre-filled syringe 300, syringe connector 400 and needle 201, 202).
- all the components included in the surgical kit 10 of the present invention are to access the incision site of a variety of surgical operations, and thus configured to be applied directly in place on the incision site after surgery.
- the mixed solution induction guide tube 100 is for injecting a pain-removing drug mixed solution in close proximity to the incision site exposed during the surgical operation, and has a conduit form with open ends at both ends made of a material such as Teflon. It can be used, for example, Teflon microconduit (capillary) can be used.
- One end of the mixed solution injection guide tube 100 may be inserted into the prefield syringe inlet, and the mixed solution may be discharged or injected into the other end.
- the mixed solution injection guide tube 100 is, for example, the total length is 60 to 70 mm, preferably 70 ⁇ 3.5 mm, the outer diameter is 1.6 to 1.8 mm, preferably 1.7 ⁇ 0.085 mm, the inner diameter is 1.1 to 1.4 mm, Preferably it is 1.26 ⁇ 0.085 mm, it is easy to handle and use within this range, and the effect of appropriately distributing the drug to the surgical site is great.
- the first syringe 200 is for filling a pain-relieving drug (not shown) immediately before use to prepare the pain-relieving drug mixture solution, and the needle 201 is pre-assembled, or just before use 201 It can be used by fastening to the first syringe 200, and after filling the first syringe 200 with a pain-removing drug (not shown) to separate the needle 201.
- the first syringe 200 is preferably applied if it is a commercially available product equipped with a piston.
- the pain-relieving drug may be a local anesthetic, opiate analgesic, non-steroidal drug for the purpose of controlling acute pain after surgery, and for example, relatively safe lopivacaine hydrochloride, ibuprofen and the like.
- the therapeutic drug is not particularly limited as long as it is dissolved in water and stable in an aqueous solution and can be used as an injection.
- the therapeutic drug may be gentamicin, ibuprofen, or the like.
- the drug is intended for both pain relief and treatment, it may be classified as either a pain relief drug or a therapeutic drug.
- the prefield syringe 300 generally has a structure of opening and closing with a stopper 301 instead of a needle to be fastened.
- the pre-filled syringe 300 has a structure that is filled with a temperature-sensitive viscous solution 302 used as a substrate of the pain-relieving drug mixed solution and opened and closed through a stopper, and is stable to autoclaving.
- the reason why the temperature-sensitive viscous solution is pre-filled is because it prevents the user's mistake that may occur during the filling process and reduces convenience and product manufacturing time in the operating room.
- the temperature-sensitive viscous solution 302 is a substrate that plays an important role for providing stability and sustained release by changing to a gel state by the body temperature after application to the surgical incision site, ion-crosslinked alginate and temperature sensitive It is composed of poly (ethylene oxide) / poly (propylene oxide) / poly (ethylene oxide) triblock copolymer and has a viscosity of 100 to 5,000 cps at 5 ° C, and a small amount of copolymer having a viscosity of 100,000 cps or more at 37 ° C. to that of the formulation in water for injection and CaCl 2 it is preferred.
- the ionic crosslinked alginate in the present description may mean that alginic acid or alginate is crosslinked by a crosslinking agent such as CaCl 2 .
- Viscosity (cps) in the present description follows the method of rotational viscometer method of the Korean Pharmacopoeia 2 method, Brookfield viscometer can be measured under the condition of # 4 spindle at 5 °C, # 7 spindle at 37 °C,
- the temperature-sensitive viscous solution 302 has a viscosity of 50 to 5,000 cps, 100 to 5,000 cps, or 500 to 3,000 cps, preferably 500 to 1,000 cps at 5 ° C., and a pain-removing substance such as a local anesthetic for controlling acute pain after surgery. It is easy to mix with and at 37 ° C, it is gelled in vivo at a viscosity of 100,000 cps or more, or 100,000 to 2,000,000 cps, preferably 500,000 to 2,000,000 cps, so that the pain-relieving drug is stably released to the application site. do.
- the temperature-sensitive viscous solution 302 has a viscosity of 50 to 3,000 cps, or 100 to 2,000 cps, preferably 100 to 1,000 cps at 5 ° C. and a pain-removing substance such as a local anesthetic for controlling acute pain after surgery. It is easy to mix and gels in vivo at a viscosity of 100,000 cps or more, or 100,000 to 5,000,000 cps, preferably 1,000,000 to 4,000,000 cps at 37 ° C, thereby stably releasing pain-relieving drug to the application site. .
- the temperature sensitive viscous solution 302 may comprise 0.05 to 3% by weight, or 0.1 to 3% by weight, preferably 0.1 to 2% by weight, of the ion-crosslinked alginate in 100% by weight of solution. It can provide the effect of improving the stability of the sensitive viscous solution.
- the weight of the ion-crosslinked alginate herein is not particularly limited when it is understood in the art as the weight of the ion-crosslinked alginate, but as an example, the crosslinking agent corresponding to 10% of the weight of alginic acid and / or alginate added It can mean the sum of the weight of the weight.
- the crosslinking agent of the ionic cross-linked alginate is for example Li +, Na +, K + , Rb +, Cs +, Fr +, Be 2+, Ra 2 +, B 3+, Al 3 +, Ga 2 +, Mg 2 +, Ca 2 +, Sr 2 +, Ba 2 + at least one selected from, preferably Mg 2 +, Ca 2 +, Sr 2 +, Ba 2 + halide with at least one cation selected from, or chitosan
- glutaaldehyde, formalin and polylysine may be used, but is not specific thereto.
- the temperature sensitive viscous solution 302 is 20-40% by weight of 100% by weight solution of poly (ethylene oxide) / poly (propylene oxide) / poly (ethylene oxide) triblock copolymer, or 20 depending on crosslinking. It may include in the range of 30 to 30% by weight or 30 to 40% by weight, in this range can provide an effect that the drug for pain relief is maintained in the body stable.
- the poly (ethylene oxide) / poly (propylene oxide) / poly (ethylene oxide) triblock copolymer may be used in which the poly (ethylene oxide) block and the poly (propylene oxide) block are included in a ratio of 90: 105 to 50:70. And in this range, the pain-relieving drug can provide an effect that is kept stable in the body.
- weight average molecular weight of the poly (ethylene oxide) / poly (propylene oxide) / poly (ethylene oxide) triblock copolymer is poly (ethylene oxide) / poly commonly used in the art of temperature-sensitive viscous solution It does not restrict
- the temperature-sensitive viscous solution 302 may include CaCl 2 in a range of 0.005 to 0.1% by weight or 0.007 to 0.1% by weight, preferably 0.01 to 0.1% by weight, in the range of 100% by weight of the solution, wherein the alginic acid salt is crosslinked in this range. It can provide the effect of mixing uniformly with this poly (ethylene oxide) / poly (propylene oxide) / poly (ethylene oxide) triblock copolymer.
- the temperature-sensitive viscous solution 302 may include CaCl 2 in a range of 0.005 to 0.3% by weight or 0.01 to 0.3% by weight, preferably 0.01 to 0.2% by weight, in 100% by weight of the solution.
- the crosslinked alginic acid salt can provide the effect of homogeneously mixing with the poly (ethylene oxide) / poly (propylene oxide) / poly (ethylene oxide) triblock copolymer.
- the temperature-sensitive viscous solution 302 may have an adhesive force of 0.8 N or more, or 0.8 N to 5 N, measured using a rotatable viscometer, to provide an effect of stably maintaining the pain elimination drug in the body within this range. Can be.
- Adhesion force (N) in the present substrate can be measured under 5 ° C conditions using a rotatable rheometer.
- the temperature-sensitive viscous solution 302 is biocompatible to avoid problems such as a slow recovery rate at the surgical incision or a decrease in the adhesive strength of the seal stitched to the surgical incision, and the healing of the surgical incision is normally healed. It is preferable to have.
- the syringe connector 400 is for ejecting and mixing the respective substances filled in the first and prefield syringes, and the inner diameter is 12 mm or less, 10 mm or less, 1 to 10 mm, so that the viscous solution can move smoothly. Or 1.9 to 4.1 mm.
- the mixing ratio of the pain-reducing substance (drug) or therapeutic substance (drug) and the temperature sensitive viscous solution mixture mixed in the prefield syringe through the syringe connector is 1: 0.5-5 (drug solution: temperature sensitive viscous solution) , Volume ratio of 1: 0.5 to 3 or volume ratio of 1: 0.5 to 2, and may provide an effect that the pain elimination drug or therapeutic drug is stably maintained in the body within this range.
- the volume ratio of the temperature-sensitive viscous solution and the drug may be 1: 0.5-5 (drug solution: temperature-sensitive viscous solution), the pH is less than 4 or 1 In the case of 4 to 1: 4 to 40 (aqueous drug solution: temperature sensitive viscous solution), within this range, the pain-relieving drug or therapeutic drug is not released quickly in the body and remains stable and releases slowly. have.
- volume of the aqueous drug solution in the present description may be replaced with the volume of water minus the drug, depending on the convenience of measurement or treatment, as will be apparent to those skilled in the art.
- the concentration of the final drug mixture in which the aqueous drug solution and the temperature-sensitive viscous solution are mixed is not particularly limited, but is, for example, 0.1 to 1.5% by weight, 0.1 to 0.1% by weight, 0.2 to 0.8% by weight, 0.1 to 0.5% by weight or 0.2 to 0.4% by weight.
- the syringe connector 400 is separated from the prefilled syringe 300 filled with the mixture through the syringe connector 400, and then the stopper of the mixed pain relief drug mixture solution (not shown) in the prefield syringe 300 ( 301)
- the pain-removing drug mixed solution can be stably injected into the desired surgical incision.
- the stable injection in such a precise site is changed to a gel state by the temperature-sensitive viscous solution 302 contained in the pain relief drug mixture solution to release the pain relief drug slowly.
- the change to the gel state is to maintain its shape stably after about 5 minutes.
- Figure 2 is a schematic diagram showing an embodiment using a surgical kit of the present invention in accordance with changes over time.
- the package of the surgical kit 10 is unpacked at a sterilized place, and the needle 201 is fastened to the first syringe 200 provided with a straw. Then, the needle 201 is inserted into the pain-removing drug such as a local anesthetic to be used during surgery, and the pain-removing drug is filled up to the indicator line of the first syringe 200.
- the pain-removing drug such as a local anesthetic to be used during surgery
- Step S2 is composed of a total of three steps of step S2-1, step S2-2, step S2-3.
- step S2-1 the needle 201 connected to the first syringe 200 filled with the pain-removing drug is separated (see left), and the product-dye sold by the present applicant as the temperature-sensitive viscous solution 302 is marketed.
- step S2-2 the syringe connector 400 is connected to the prefield syringe 300 from which the stopper 301 is removed, and the first syringe 200 filled with the pain-removing drug is connected. Be careful not to spill the pain-relieving drug.
- step S2-3 the pain-removing drug and the temperature-sensitive viscous solution in the prefield syringe 300 are pushed to the left and right push rods of the first syringe 200 and the prefield syringe 300 connected to each other by the syringe connector 400 Mix evenly.
- the syringe connector 400 is disconnected, and then the mixed solution injection induction tube 100 or the second needle 202 is connected to the prefield syringe 300 to connect the pain-removing substance mixed solution to the surgical incision site. Inject enough to apply.
- it may include a step of sucking and removing the washing solution used in the surgery prior to the step S1 by suction suction (not shown) and confirming that sufficient hemostasis is made on the wound surface during the operation.
- the stability test of the temperature-sensitive viscous solution of the present invention and the results of the release test of the pain-relieving drug in the temperature-sensitive viscous solution and the pain-relieving drug mixture are shown in FIGS. 3 and 4.
- the non-use of pain-relieving drug and temperature-sensitive viscous solution is indicated as Control
- the use of temperature-sensitive viscous solution alone is indicated as DDK
- the use of pain-relieving drug alone is abbreviated Ropi. (% By weight in aqueous solution concentration) was written, and the use of the pain-relieving drug mixed solution was written as DDK / Ropi.
- the concentration% means the weight% concentration unless otherwise stated.
- Ropi. 0.25% refers to a composition in which the temperature sensitive viscous solution (viscous solution) and the pain-relieving drug are mixed with ropivacaine hydrochloride (drug solution) in a volume ratio of 2: 1, and the final drug concentration is 0.25% by weight. do.
- test results it was confirmed that the test group using the pain-relieving drug mixture solution effectively reduced the pain compared to the test group using the pain-relieving drug alone.
- the pain-relieving drug mixture solution injected by the surgical kit of the present invention is very effective in providing stabilization and sustained release effect on the surgical incision, in particular, pain-relieving drug mixture It can be confirmed that it is preferable from an economic point of view that the solution can be stably prepared whenever necessary by a simple operation.
- the measurement results of the stability test according to the crosslinking of the temperature-sensitive viscous solution (containing 30% by weight of the temperature-sensitive polymer) contained in the pain-relieving drug or the therapeutic drug mixture solution of the present invention is shown in FIG.
- the temperature-sensitive polymer content is 25% by weight or less (not shown)
- the stability of the cross-linked temperature-sensitive viscous solution is considerably higher than that of the uncrosslinked temperature-sensitive viscous solution, but the temperature-sensitive polymer content is 30% by weight.
- it is more than% see Fig. 6
- the stability of both the cross-linked viscous solution and the non-cross-linked viscous solution is maintained for up to 7 days it is confirmed that almost no difference.
- DDK Gel refers to a gel consisting of alginate crosslinked with Poloxamer.
- ibuprofen used as the pain-relieving drug reacts with CaCl 2 , a crosslinking agent, to form a precipitate
- gentamicin used as the therapeutic drug. It was confirmed that the pH of the solution was lowered to precipitate sodium alginate. That is, no precipitation occurred when the pain-relieving or therapeutic drug mixture did not contain the crosslinking agent CaCl 2 or alginate.
- the sustained release test was conducted by mixing an aqueous solution of ibuprofen with a 30% by weight solution of poloxamer containing no crosslinked alginate in a volume ratio of 2: 1. In describing the test results, it was confirmed that the drug was slowly released until 3 days (72 hours) in all the pain-relieving drug mixture solution.
- the sustained release test was conducted by mixing a 0.75% by weight aqueous drug solution with a temperature-sensitive viscous solution (crosslinked alginate and 30% by weight DDK gel vs. poloxamer 30% by weight solution containing poroxamer) in a volume ratio of 2: 1.
- the pain-relieving drug mixed solution according to the present invention is not significantly affected by the type of drug or crosslinking of the temperature-sensitive viscous solution, and all drugs are released slowly until 3 days (72 hours). It was confirmed.
- the crosslinkability means a case containing a crosslinking agent or a crosslinked alginate
- the noncrosslinking means a case not including a crosslinking agent or a crosslinked alginate
- first syringe 201 first needle 202: second needle
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Abstract
Description
Claims (15)
- 절개부위 통증 감소 또는 치료를 위한 키트에 있어서,통증제거 또는 치료 약물의 안정화 매트릭스로 사용되는 온도감응성 점성용액이 충진되고 마개를 통해 개폐되는 구조를 갖는 프리필드 주사기(300); 및노출된 절개 부위에 근접하여 통증제거 또는 치료 약물과 온도감응성 점성용액을 포함하는 혼합용액을 주입하기 위한 혼합용액 주입유도관(100);을 포함하되,상기 온도감응성 점성용액은 폴리(에틸렌 옥사이드) 블록과 폴리(프로필렌 옥사이드) 블록이 90:105~50:70의 비로 포함된 폴리(에틸렌 옥사이드)/폴리(프로필렌 옥사이드)/폴리(에틸렌 옥사이드) 트리블록공중합체 20~40 중량% 및 잔량의 주사용수를 포함하고, 점도가 5℃에서 50~5,000 cps이고, 37℃에서 100,000 cps 이상이며 5℃에서 회전형 레오미터로 측정한 점착력이 0.8 N 이상이고, 상기 통증제거 또는 치료 약물은 약물 수용액이며, 상기 온도감응성 점성용액과 상기 약물 수용액은 부피비가 1:0.5~40(약물 수용액:온도감응성 점성용액)인 것을 특징으로 하는 외과수술 키트.
- 제1항에 있어서,상기 외과수술 키트는,상기 통증제거 또는 치료 약물의 안정화 매트릭스로 사용되는 온도감응성 점성용액이 충진되고 마개를 통해 개폐되는 구조를 갖는 프리필드 주사기(300);와, 노출된 절개 부위에 근접하여 통증제거 또는 치료 약물과 온도감응성 점성용액이 혼합된 혼합용액을 주입하기 위한 혼합용액 주입유도관(100);과, 상기 혼합용액을 준비하도록 사용 직전 통증제거 또는 치료 약물을 충진시키기 위한 제1 주사기(200); 및 상기 제1 주사기 및 상기 프리필드 주사기에 각각 충진된 물질을 혼합하기 위한 주사기 연결관(400);을 포함하는 것을 특징으로 하는 외과수술 키트.
- 제2항에 있어서,상기 외과수술 키트는 상기 제1 주사기용 주사침(201)을 더 포함하는 것을 특징으로 하는 외과수술 키트.
- 제1항에 있어서,상기 외과수술 키트는 상기 프리필드 주사기용 주사침(202)을 더 포함하는 것을 특징으로 하는 외과수술 키트.
- 제1항에 있어서,상기 온도감응성 점성용액은 폴리(에틸렌 옥사이드)/폴리(프로필렌 옥사이드)/폴리(에틸렌 옥사이드) 트리블록 공중합체, 알긴산 또는 알지네이트, 가교제 및 주사용수로 구성되는 비발열성 점성용액인 것을 특징으로 하는 외과수술 키트.
- 제2항에 있어서,상기 제1 주사기는 주사침이 미리 조립되거나 혹은 사용직전 체결된 것으로, 통증제거 또는 치료 약물 충진 후 주사침이 분리되는 것을 특징으로 하는 외과수술 키트.
- 제1항에 있어서,상기 혼합용액 주입유도관은, 프리필드 주사기 내에서 혼합된 혼합용액을 절개 부위에 주입하도록 상기 프리필드 주사기에 체결되어 사용되는 것을 특징으로 하는 외과수술 키트.
- 제2항에 있어서,상기 주사기 연결관은 내경이 12 mm 이하인 것을 특징으로 하는 외과수술 키트.
- 제1항에 있어서,상기 절개부위 주변의 잔여 수분을 흡수하여 제거하기 위한 흡수수단을 더 포함하는 것을 특징으로 하는 외과수술 키트.
- 제1항에 있어서,상기 온도감응성 점성용액과 상기 약물 수용액은 부피비가 1:2~5(약물 수용액:온도감응성 점성용액)인 것을 특징으로 하는 외과수술 키트.
- 제1항에 있어서,상기 온도감응성 점성용액은 상기 트리블록공중합체를 30~40 중량%로 포함하고, 가교제, 알긴산 및/또는 알지네이트를 포함하지 않는 것을 특징으로 하는 외과수술 키트.
- 제1항에 있어서,상기 온도감응성 점성용액은 폴리(에틸렌 옥사이드) 블록과 폴리(프로필렌 옥사이드) 블록이 90:105~50:70의 비로 포함된 폴리(에틸렌 옥사이드)/폴리(프로필렌 옥사이드)/폴리(에틸렌 옥사이드) 트리블록공중합체 20~40 중량%, 가교제 0.005~0.1 중량%, 알긴산 또는 알지네이트 0.05~3 중량% 및 주사용수를 포함하는 것을 특징으로 하는 외과수술 키트.
- 절개부위 통증 감소 또는 치료를 위한 키트의 사용 방법에 있어서,제1 주사기(200)에 주사침을 체결한 다음 수술 시 사용할 통증제거 또는 치료 약물에 주사침을 꽂고 제1 주사기의 표시선까지 상기 약물을 충진한 후 연결된 주사침을 분리하는 단계;온도감응성 점성용액이 미리 충진되어 있고 밀대가 구비된 프리필드 주사기(300)의 마개를 제거하는 단계;마개가 제거된 프리필드 주사기를 주사기 연결관(400)의 일측에 연결하는 단계;상기 약물이 충진되고 주사침이 분리된 제1 주사기를 주사기 연결관의 다른 일측에 연결하는 단계;주사기 연결관으로 연통된 제1 주사기와 프리필드 주사기의 밀대(piston)를 이용하여 상기 약물을 프리필드 주사기 내에서 온도감응성 점성용액과 혼합하는 단계; 및상기 혼합 후 주사기 연결관에서 혼합용액이 충진된 프리필드 주사기를 분리하고 이 프리필드 주사기에 혼합용액 주입유도관 또는 주사침을 끼워 상기 혼합용액을 수술 절개부위에 주입하여 도포하는 단계;를 포함하되,상기 온도감응성 점성용액은 폴리(에틸렌 옥사이드) 블록과 폴리(프로필렌 옥사이드) 블록이 90:105~50:70의 비로 포함된 폴리(에틸렌 옥사이드)/폴리(프로필렌 옥사이드)/폴리(에틸렌 옥사이드) 트리블록공중합체 20~40 중량% 및 잔량의 주사용수를 포함하고, 점도가 5℃에서 50~5,000 cps이고, 37℃에서 100,000 cps 이상이며 5℃에서 회전형 레오미터로 측정한 점착력이 0.8 N 이상이고, 상기 통증제거 또는 치료 약물은 약물 수용액이며, 상기 온도감응성 점성용액과 상기 약물 수용액은 부피비가 1:0.5~40(약물 수용액:온도감응성 점성용액)인 것을 특징으로 하는 수술 키트의 사용 방법.
- 제13항에 있어서,상기 혼합용액을 수술 절개부위에 주입하기에 앞서, 수술 시 사용된 세척액을 흡입 셕션을 사용하여 빨아들여 제거하는 단계를 더 포함하는 것을 특징으로 하는 수술 키트의 사용 방법.
- 절개부위 통증 감소 또는 치료를 위한 키트에 있어서,통증제거 또는 치료 약물의 안정화 매트릭스로 사용되는 온도감응성 점성용액이 충진되고 마개를 통해 개폐되는 구조를 갖는 프리필드 주사기(300);노출된 절개 부위에 근접하여 통증제거 또는 치료 약물과 온도감응성 점성용액을 포함하는 혼합용액을 주입하기 위한 혼합용액 주입유도관(100);상기 혼합용액을 준비하도록 사용 직전 통증제거 또는 치료 약물을 충진시키기 위한 제1 주사기(200); 상기 제1 주사기 및 상기 프리필드 주사기에 각각 충진된 물질을 혼합하기 위한 주사기 연결관(400); 및 제1 주사기용 주사침(201);을 포함하되,상기 온도감응성 점성용액은 5℃에서의 점도가 50~5,000 cps이고, 37℃에서의 점도가 100,000 cps 이상인 용액인 것을 특징으로 하는 외과수술 키트.
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2017
- 2017-04-04 KR KR1020170043850A patent/KR101852718B1/ko active IP Right Grant
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2018
- 2018-04-03 MX MX2019011886A patent/MX2019011886A/es unknown
- 2018-04-03 CN CN201880023861.8A patent/CN110494178B/zh active Active
- 2018-04-03 BR BR112019020632A patent/BR112019020632A2/pt unknown
- 2018-04-03 WO PCT/KR2018/003921 patent/WO2018186658A1/ko unknown
- 2018-04-03 JP JP2019553121A patent/JP6953551B2/ja active Active
- 2018-04-03 US US16/500,388 patent/US20200086049A1/en active Pending
- 2018-04-03 EP EP18781032.0A patent/EP3607981B1/en active Active
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2019
- 2019-09-30 SA SA519410215A patent/SA519410215B1/ar unknown
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EP3607981A4 (en) * | 2017-04-04 | 2020-05-06 | Genewel Co., Ltd | KIT FOR TREATING OR REDUCING PAIN AT AN INCISION SITE AFTER SURGICAL INTERVENTION |
Also Published As
Publication number | Publication date |
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MX2019011886A (es) | 2022-06-02 |
JP2020512107A (ja) | 2020-04-23 |
KR101852718B1 (ko) | 2018-05-18 |
EP3607981B1 (en) | 2024-10-23 |
CN110494178B (zh) | 2022-12-02 |
US20200086049A1 (en) | 2020-03-19 |
EP3607981A4 (en) | 2020-05-06 |
CN110494178A (zh) | 2019-11-22 |
BR112019020632A2 (pt) | 2020-04-22 |
JP6953551B2 (ja) | 2021-10-27 |
SA519410215B1 (ar) | 2023-01-24 |
EP3607981A1 (en) | 2020-02-12 |
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