Disposable postoperative local infiltration anesthesia analgesia system

Abstract

A disposable postoperative local infiltration anesthesia analgesia system comprises an anesthesia catheter, a guide wire, a lacerable trocar, an injector and an infusion pump, the anesthesia catheter can be sleeved with the lacerable trocar in a matched mode, the guide wire can be sleeved with the anesthesia catheter in a matched mode, a plurality of micropores are formed in the side wall of one end of the anesthesia catheter, and the infusion pump is connected with the guide wire. The micropores are evenly distributed in the circumferential direction of the anesthesia catheter, the other end of the anesthesia catheter is connected with a first connector tube and a second connector tube, a connector of an infusion pump can be in butt joint with the first branch connector tube or the second connector tube, and an injector can be in butt joint with the first branch connector tube or the second connector tube. The anesthesia catheter can be placed into a pain part of a patient through the guide wire and the tearable trocar, wound infiltration is continuously carried out through anesthetic, pain can be accurately, directly and intensively relieved, the using amount of the anesthetic is reduced, the anesthetic is small in side effect or free of side effect, and the anesthesia catheter is convenient to use. Various severe side effect risks caused by opioid abuse can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical catheter field especially relates to a kind of disposable postoperative local infiltration anesthesia analgesia system. BACKGROUND

[0002] Anesthesia is a reversible inhibition of central nervous system and or peripheral nervous system by drug or other method, the main feature of this inhibition is the loss of sensation, especially pain, the meaning of anesthesia is to make patient lose sensation temporarily as a whole or locally by drug or other method, to achieve the purpose of painless operation treatment. Patients often accompanied by severe pain after operation, and pain management is insufficient can have a significant impact on patients, and can lead to postoperative complications, prolonged hospitalization and cause chronic pain syndrome. Current postoperative pain management mainly relies on potent opioid drugs to effectively relieve pain, and opioid abuse can cause anxiety, rapid breathing, drowsiness and other withdrawal symptoms, and can cause respiratory dysfunction, and even death, and pain management by anesthesia can effectively avoid the above problems. SUMMARY

[0003] In order to solve the above problems, the utility model provides a kind of disposable postoperative local infiltration anesthesia analgesia system.

[0004] The technical scheme of the utility model is: a kind of disposable postoperative local infiltration anesthesia analgesia system, including anesthesia catheter, guide wire, tearable trocar, syringe and infusion pump, anesthesia catheter can be matched into the inside of tearable trocar, and freely slide in the inner cavity of tearable trocar, guide wire can be matched into the inside of anesthesia catheter, anesthesia catheter can freely slide along guide wire, a plurality of micropores are arranged on the side wall of one end of anesthesia catheter, these micropores are round holes, these micropores are evenly distributed along the circumferential direction of anesthesia catheter, the other end is connected with first joint pipe and second joint pipe, two joint pipes are communicated with the main body of anesthesia catheter, the connector of infusion pump can be docked with first branch joint pipe or second joint pipe, the syringe can be docked with first branch joint pipe or second joint pipe, the capacity of the syringe is 2ml, and a scale is arranged on the outer side surface thereof.

[0005] Preferably, the anesthesia analgesia system further comprises an antibacterial filter, which is connected between the syringe and the first branch joint pipe or the second branch joint pipe, one end of the antibacterial filter is connected with the syringe, and the other end is connected with the structure pipe.

[0006] Preferably, the tearable trocar comprises a sheath tube and a needle tube matched and assembled in the sheath tube, the sheath tube and the needle tube can rotate relative to each other, the sheath tube is provided with a tearable structure, the sheath tube is made of flexible plastic material, a handle is arranged at the upper end of the sheath tube, and the handle comprises two symmetrical holding heads.

[0007] The needle seat bottom surface of the needle tube is provided with L-shaped clamping heads on both sides, the directions of the two L-shaped clamping heads are opposite, and the two L-shaped clamping heads are clamped into the two sides of the handle root respectively.

[0008] Preferably, the anesthetic analgesic system further comprises PU paste and a belt, the middle part of the PU paste is a transparent film, and the edge part is provided with a ring of glue.

[0009] Preferably, the upper part of the infusion pump is provided with a hanging rope, and the upper end of the hanging rope is connected with a clamp.

[0010] The beneficial technical effects of the utility model are:

[0011] (1) The utility model can place the anesthetic catheter into the painful part of the patient through the guide wire and the tearable cannula needle, continuously perform wound infiltration through anesthetics, accurately, directly and centrally relieve pain, reduce the use amount of anesthetics, the anesthetics have small or no side effects, and various severe side effect risks caused by the abuse of opioid drugs can be effectively avoided.

[0012] (2) The two connector tubes on the anesthetic catheter can be connected with the syringe and the infusion pump respectively, so that the anesthetics can be injected at a small dose and a uniform speed through the infusion pump according to the requirement, the anesthetics can also be injected quickly through the syringe according to the requirement, the utility model can be used for preoperative anesthesia, intraoperative supplementary anesthesia and postoperative pain management, and realizes the full coverage of perioperative anesthesia pain management. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the use state structure schematic diagram of the utility model;

[0014] Figure 2 is the combination structure schematic diagram of the anesthetic catheter, the tearable cannula needle and the guide wire;

[0015] Figure 3 is the three-dimensional structure schematic diagram of the tearable cannula needle;

[0016] Figure 4 is the sectional structure schematic diagram of the tearable cannula needle;

[0017] Figure 5 is the three-dimensional structure schematic diagram of the needle tube.

[0018] In the drawing, 1. anesthetic catheter, 11. first connector tube, 12. second connector tube, 13. micropore, 2. guide wire, 3. tearable cannula needle, 31. sheath tube, 32. needle tube, 33. handle, 34. L-shaped clamping head, 35. needle seat, 4. syringe, 5. infusion pump, 51. connector of the infusion pump, 6. antibacterial filter, 7. PU paste, 8. belt, 9. clamp. DETAILED DESCRIPTION

[0019] Embodiment one, see attached Figures 1-2 A disposable postoperative local infiltration analgesia system, comprising an anesthetic catheter 1, a guide wire 2, a tearable trocar 3, a syringe 4 and an infusion pump 5, the anesthetic catheter can be matched into the inside of the tearable trocar, the guide wire can be matched into the inside of the anesthetic catheter 1, a plurality of micropores 13 are arranged on the side wall of one end of the anesthetic catheter 1, which are uniformly distributed along the circumferential direction of the anesthetic catheter 1, and the anesthetic can be distributed to the wound through these micropores, avoiding uneven distribution of the anesthetic and affecting the anesthetic effect, the other end is connected with a first connector pipe 11 and a second connector pipe, the connector 51 of the infusion pump can be docked with the first branch connector pipe or the second branch connector pipe, and the syringe 4 can be docked with the first branch connector pipe or the second branch connector pipe.

[0020] The analgesia system also comprises an antibacterial filter 6 connected between the syringe 4 and the first branch connector pipe or the second branch connector pipe, which can effectively filter microparticles, air, precipitates, bacteria and viruses in the infusion through its special filter grid structure, thereby reducing the risk of the patient being harmed by harmful substances in the infusion.

[0021] The analgesia system also comprises a PU dressing 7 and a strip 8, and the middle part of the PU dressing is a transparent film.

[0022] The upper part of the infusion pump 5 is provided with a hanging rope, and the upper end of the hanging rope is connected with a clamp 9, so that the infusion pump 5 can be conveniently hung at a suitable delivery position through the hanging rope and the clamp.

[0023] When the analgesia system of this embodiment is used, the anesthetic catheter 1 is placed into the painful part of the patient through the guide wire 2 and the tearable trocar 3, and the strip 8 and the PU dressing 7 are pasted on the catheter at the placement position to fix the anesthetic catheter 1, and then the infusion pump 5 is started to quantitatively input the anesthetic from the anesthetic catheter 1 to the wound for infiltration, which can accurately, directly and concentratedly relieve the pain at the wound, the anesthetic itself has little or no side effects, which can effectively avoid various severe side effect risks caused by the abuse of opioid drugs, and the anesthetic can be injected at a small dose and at a uniform speed according to the needs through the infusion pump 5, and the anesthetic can also be quickly injected according to the needs through the syringe 4, so that preoperative anesthesia, intraoperative supplemental anesthesia and postoperative pain management can be realized through the analgesia system.

[0024] Embodiment two, see attached Figures 3-5The embodiment is basically same as the embodiment one, and the same parts are not repeated. The different part is that the tearable cannula needle 3 comprises a sheath 31 and a needle tube 32 matched and sleeved in the sheath, the sheath 31 is arranged as a tearable structure, a handle 33 is arranged at the upper end of the sheath, L-shaped clamping heads 34 are arranged on the bottom surface of the needle seat 35 of the needle tube 32, the directions of the two L-shaped clamping heads 34 are opposite, and the two L-shaped clamping heads 34 are clamped into the two sides of the root of the handle 33 respectively. The two L-shaped clamping heads form a locking structure of the handle. When operating, the handle 33 can be quickly separated from the two L-shaped clamping heads 34 to realize unlocking by rotating the handle 33. Compared with the traditional threaded connection locking mode, the operation is convenient, the operation process of placing the catheter in the operation is simplified, and the operation efficiency is improved.

Claims

1. A single use postoperative local infiltration analgesia system, characterized in that: The anesthesia catheter can be matched into the inside of the tearable trocar, the guide wire can be matched into the inside of the anesthesia catheter, a plurality of micropores are arranged on the side wall of one end of the anesthesia catheter, the micropores are uniformly distributed along the circumferential direction of the anesthesia catheter, the other end is connected with a first joint pipe and a second joint pipe, the joint of the infusion pump can be docked with the first joint pipe or the second joint pipe, and the syringe can be docked with the first joint pipe or the second joint pipe.

2. The one-time use postoperative local infiltration analgesia system according to claim 1, characterized in that: The anesthesia analgesic system further comprises an antibacterial filter connected between the syringe and the first joint pipe or the second joint pipe.

3. The disposable postoperative local infiltration analgesia system of claim 1, wherein the system further comprises a needle. The tearable trocar comprises a sheath tube and a needle tube matched into the sheath tube, the sheath tube is arranged as a tearable structure, and a handle is arranged at the upper end of the sheath tube.

4. The one-time use postoperative local infiltration analgesia system according to claim 3, characterized in that: The bottom surface of the needle seat of the needle tube is provided with L-shaped clamping heads on both sides, the directions of the two L-shaped clamping heads are opposite, and the two L-shaped clamping heads are clamped into the two sides of the root of the handle.

5. A disposable postoperative local infiltration anesthesia and analgesia system according to claim 1, characterized in that: The anesthesia analgesic system further comprises PU paste and a belt, and the middle part of the PU paste is a transparent film.

6. A disposable postoperative local infiltration anesthesia and analgesia system according to claim 1, characterized in that: The upper part of the infusion pump is provided with a hanging rope, and the upper end of the hanging rope is connected with a clamp.

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