Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides an abdominal wall poking hole local anesthetic injection kit for laparoscopic surgery and a use method thereof, which solve the problem that whether a needle tip just reaches the outside of the peritoneum can not be judged in the needle inserting process of blind detection local anesthetic infiltration.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
The abdominal wall puncture local anesthetic injection kit comprises a medical three-way valve, a syringe, a balloon and an inner core needle, wherein three connectors of the medical three-way valve are respectively communicated with the syringe, the balloon and the inner core needle, an outer sleeve needle is sleeved outside the inner core needle, the needle tip of the inner core needle is inserted from a needle plug of the outer sleeve needle and penetrates out from the needle tip of the outer sleeve needle, and the needle plug of the outer sleeve needle is abutted to the front end of the needle plug of the inner core needle.
Preferably, the length of the part of the needle tip of the inner core needle protruding out of the outer sleeve needle is two to three millimeters, and when the needle tip of the inner core needle just penetrates into the abdominal cavity, the needle tip of the outer sleeve needle is just located outside the abdominal cavity.
Preferably, the medical three-way valve comprises a first connector, a second connector and a third connector, wherein the first connector is sleeved on a nipple of a syringe, the first connector is in interference connection with the nipple of the syringe, the second connector is fixedly connected with a saccule, the third connector is inserted into a pintle of an inner core needle, and the third connector is in interference connection with the pintle of the inner core needle.
Preferably, the inner core needle and the outer sleeve needle are both made of metal materials.
Preferably, the surface of the needle stem of the outer sleeved needle head is provided with length scales.
Preferably, the needle stem of the outer sleeve needle close to the needle point is provided with a plurality of side holes.
Preferably, the side holes are distributed on the needle stem along the thread line.
Preferably, the surface of the balloon is provided with reference lines, and the existence of the reference lines facilitates clear observation of the volume change of the balloon.
A method of using an abdominal wall stabbing hole local anesthetic injection kit for laparoscopic surgery, the method comprising the steps of in sequence:
S1, filling physiological saline into the saccule
The three interfaces of the medical three-way valve are respectively communicated with the syringe, the saccule and the inner core needle, the outer sleeve needle is sleeved outside the inner core needle, the needle plug of the outer sleeve needle is abutted against the front end of the needle plug of the inner core needle, and the needle point of the inner core needle protrudes out of the outer sleeve needle by two to three millimeters;
S2, needle tip positioning of sleeved needle
The needle point of the inner core needle is inserted into the abdominal wall to be injected, then the switch of the medical three-way valve is rotated to seal the injector, then the inner core needle continues to slowly enter the needle to the deep of the abdominal wall, when the needle point of the inner core needle just penetrates into the abdominal cavity, physiological saline in the saccule is injected into the abdominal cavity, the saccule is retracted, and the needle point of the outer sleeve needle is just located outside the peritoneal.
(III) beneficial effects
The invention provides an abdominal wall puncture local anesthetic injection kit for laparoscopic surgery and a use method thereof. Compared with the prior art, the method has the following beneficial effects:
The three interfaces of the medical three-way valve are respectively communicated with the injector, the saccule and the inner core needle, the outer sleeve needle is sleeved outside the inner core needle, the needle tip of the inner core needle protrudes out of the outer sleeve needle by two to three millimeters, the medical three-way valve is adjusted to independently communicate the saccule filled with physiological saline with the inner core needle inserted into the abdominal wall, when the saccule is retracted in the process of slowly feeding the inner core needle, the inner core needle just penetrates the abdominal cavity, the needle tip of the outer sleeve needle is just positioned outside the peritoneal cavity, the assistance is provided for full-layer infiltration of the blind probe, the full blocking of local anesthetic is indirectly ensured, and the problem that whether the needle tip just reaches outside the peritoneal cavity can not be judged in the needle feeding process of the blind probe anesthesia infiltration is solved.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the application provides an abdominal wall poking local anesthetic injection kit for laparoscopic surgery and a use method thereof, which solve the problem that whether a needle tip just reaches the outside of the peritoneum can not be judged in the needle inserting process of blind detection local anesthetic infiltration.
The technical scheme in the embodiment of the application aims to solve the technical problems, and the overall thought is as follows:
The three interfaces of the medical three-way valve are respectively communicated with the injector, the saccule and the inner core needle, the outer sleeve needle is sleeved outside the inner core needle, the needle tip of the inner core needle protrudes out of the outer sleeve needle by two to three millimeters, the medical three-way valve is adjusted to independently communicate the saccule filled with physiological saline with the inner core needle inserted into the abdominal wall, when the saccule is retracted in the process of slowly feeding the inner core needle, the inner core needle just penetrates the abdominal cavity, the needle tip of the outer sleeve needle is just positioned outside the peritoneal cavity, the assistance is provided for full-layer infiltration of blind probing hemp, the full perfect blocking of local hemp medicine is indirectly ensured, and the problem that whether the needle tip just reaches outside the peritoneal cavity can not be judged in the needle feeding process of blind probing hemp infiltration is solved.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1:
As shown in fig. 1, the invention provides an abdominal wall puncture local anesthetic injection kit for laparoscopic surgery, which comprises a medical three-way valve 10, a syringe 20, a balloon 30 and an inner core needle 40, wherein three joints of the medical three-way valve 10 are respectively communicated with the syringe 20, the balloon 30 and the inner core needle 40, an outer sleeve needle 41 is sleeved outside the inner core needle 40, the needle tip of the inner core needle 40 is inserted from a needle plug of the outer sleeve needle 41 and penetrates out from the needle tip of the outer sleeve needle 41, and the needle plug of the outer sleeve needle 41 is abutted against the front end of the needle plug of the inner core needle 40.
In the use of injection external member, adjust the switch of medical three-way valve earlier, seal the inner core syringe needle, utilize the syringe to annotate normal saline to the sacculus in, then insert the needle point of inner core syringe needle in the abdominal wall that needs to inject, the switch of medical three-way valve seals the syringe again, slowly advance the needle to the abdominal wall depths, normal saline in the sacculus pours into the abdominal cavity when the needle point of inner core syringe needle just penetrates the abdominal cavity, appear that the sacculus is retracted, the needle point of overcoat syringe needle is located extraperitoneal just at this moment, the problem that whether the needle point reaches extraperitoneal just in the needle inserting process of blind spy burial infiltration has been solved.
The method provides help for the injection of local anesthetic through the outer sleeve needle, and the blind detection of the full-layer infiltration of local anesthetic, thereby indirectly ensuring the full perfect blocking of local anesthetic.
As shown in fig. 1, the portion of the tip of the core needle 40 protruding from the outer sleeve needle 41 has a length of two to three millimeters, so as to ensure that the tip of the outer sleeve needle 41 is just located outside the peritoneum when the tip of the core needle 40 just penetrates the abdominal cavity.
As shown in FIG. 1, the medical three-way valve 10 comprises a first connector 11, a second connector 12 and a third connector 13, wherein the first connector 11 is sleeved on a nipple of the syringe 20, the first connector 11 is in interference connection with the nipple of the syringe 20, the second connector 12 is fixedly connected with the saccule 30, the third connector 13 is inserted into a pintle of the inner core needle 40, and the third connector 13 is in interference connection with the pintle of the inner core needle 40.
The inner core needle 40 and the outer sheath needle 41 are both made of metal.
As shown in fig. 2, the stem surface of the outer sleeve needle 41 is provided with a length scale 42 for observing the needle insertion depth of the outer sleeve needle 41, which is used as a reference for the subsequent operation.
As shown in fig. 2, the needle stem of the outer sleeve needle 41 near the needle tip is provided with a plurality of side holes 43.
As shown in fig. 2, the side holes 43 are distributed on the needle stem along the thread line, so that when the local anesthetic is injected through the outer sleeve needle 41, the local anesthetic is fully infiltrated into the tissues outside the skin and the peritoneum, and the complete blocking of the local anesthetic is ensured.
As shown in fig. 1, the surface of the balloon 30 is provided with reference patterns 31, and the presence of the reference patterns 31 facilitates clear observation of the volume change of the balloon 30.
Example 2:
The invention also provides a use method of the abdominal wall puncture local anesthetic injection kit for laparoscopic surgery, which sequentially comprises the following steps:
S1, filling physiological saline into the saccule
The three interfaces of the medical three-way valve 10 are respectively communicated with the injector 20, the saccule 30 and the inner core needle 40, the outer sleeve needle 41 is sleeved outside the inner core needle 40, the needle bolt of the outer sleeve needle 41 is abutted against the front end of the needle bolt of the inner core needle 40, and the needle point of the inner core needle 40 protrudes out of the outer sleeve needle 41 by two to three millimeters;
S2, needle tip positioning of sleeved needle
The needle tip of the inner core needle 40 is inserted into the abdominal wall to be injected, the switch of the medical three-way valve 10 is rotated to close the injector 20, then the inner core needle 40 continues to slowly enter the needle deep into the abdominal wall, and when the needle tip of the inner core needle 40 just penetrates into the abdominal cavity, the physiological saline in the saccule 30 is injected into the abdominal cavity, which means that the saccule 30 is retracted, and at the moment, the needle tip of the outer sleeve needle 41 just is located outside the abdominal cavity.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. In the embodiment of the invention, three interfaces of the medical three-way valve are respectively communicated with a syringe, a balloon and an inner core needle, an outer sleeve needle is sleeved outside the inner core needle, the needle tip of the inner core needle protrudes out of the outer sleeve needle by two to three millimeters, the medical three-way valve is adjusted to independently communicate the balloon filled with physiological saline with the inner core needle inserted into the abdominal wall, when the balloon is retracted in the process of slowly feeding the inner core needle, the inner core needle just penetrates into the abdominal cavity, the needle tip of the outer sleeve needle is just positioned outside the peritoneal cavity, the assistance is provided for full-layer infiltration of blind probing local anesthesia, the full perfect blocking of local anesthesia is indirectly ensured, and the problem that whether the needle tip just reaches outside the peritoneal cavity or not can not be judged in the needle feeding process of blind probing local anesthesia infiltration is solved.
2. In the embodiment of the invention, the needle stem surface of the outer sleeve needle is provided with length scales for observing the needle inserting depth of the outer sleeve needle, so that the depth of the peritoneum under the skin is estimated, a reference is provided for local anesthesia needle inserting operation of the poking hole and the rear jab hole, and although the local anesthesia needle inserting operation of the rear jab hole can be completed under the monitoring of the camera lens inserted into the first poking hole, the approximate depth of the peritoneum is known to increase the operation confidence and efficiency of an operator.
3. In the embodiment of the invention, the needle stem of the outer sleeve needle close to the needle point is provided with a plurality of side holes along the thread line, so that the local anesthetic can infiltrate the whole tissue layer better when being injected through the outer sleeve needle, and the complete blocking of the local anesthetic is ensured.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing embodiments are merely for illustrating the technical solution of the present invention, but not for limiting the same, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that modifications may be made to the technical solution described in the foregoing embodiments or equivalents may be substituted for parts of the technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solution of the embodiments of the present invention in essence.