CN213190159U

CN213190159U - Operation perfusion system

Info

Publication number: CN213190159U
Application number: CN202020799389.1U
Authority: CN
Inventors: 徐国江
Original assignee: Changzhou Youfurui Medical Equipment Co ltd
Current assignee: Xu Guojin
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-05-14
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses an operation perfusion system, which comprises a three-way joint, a first pipeline, a second pipeline and a third pipeline, wherein the head end of the first pipeline, the head end of the second pipeline and the head end of the third pipeline are respectively connected with the three-way joint, the end of the first pipeline is connected with a needle head, the end of the second pipeline is connected with an injection device, and the end of the third pipeline is connected with a Ruhr joint; the first pipeline is connected with a one-way valve and a flow control device, and the third pipeline is connected with a one-way valve; the second pipeline or the third pipeline is also connected with a pressure relief valve; the system extracts and ejects the physiological saline in the physiological saline bag for multiple times through the injection device, ensures clear operative field and is beneficial to stable operation; the arranged injection device can ensure that liquid is injected at a certain flow rate and pressure and the surgical field is kept clear; on the other hand, the pressure and the flow can be adjusted at any time, so that high pressure in the renal pelvis is avoided, and the safety of the operation is ensured.

Description

Operation perfusion system

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to operation filling system.

Background

In recent years, the minimally invasive technology for treating urolithiasis is developed quickly, and ureteroscopy, particularly soft ureteroscopy, is widely applied in China in recent years. Ureteroscope technology refers to the operation of ureter and kidney tissue by placing an endoscope through urethra, bladder and ureter. In ureteroscopy, a normal saline solution is continuously infused into the surgical field during the operation because of the need to smoothly enter the scope, to keep the surgical field clear, and to reduce thermal damage in laser lithotripsy in some cases, and to flush out the lithotripsy in some cases.

The methods adopted in the prior operation comprise a constant pressure infusion pump infusion method, a hanging bag infusion method and a manual injector infusion method.

The constant pressure perfusion pump is used for perfusion, and because the pressure is high, the perfusion amount and the perfusion pressure are not easy to adjust in real time, over perfusion is easy to cause. Excessive perfusion can lead to inconvenience in the surgical procedure (e.g., escape of the stone) and increased pressure within the renal pelvis. Stone escape is an important cause of postoperative recurrence; excessive intra-renal pressure is a significant cause of serious complications such as postoperative infection. The infusion of the hanging bag is to hang the normal saline at a higher position and then to continuously infuse the surgical field through the action of gravity. Manual squeezing is also sometimes used to increase the rate of infusion. This method has major limitations, such as low pressure of filling, which results in poor effect, and sometimes requires additional manual intervention to assist squeeze filling of the punching bag. Although manual syringe infusion can be real-time and controllable, it also has many disadvantages. The injector needs to be continuously replaced, so that water injection is discontinuous, air is easily injected into the joint, bubbles appear in the operation field, and the operation field is influenced to be clear. In addition, in the whole operation process, the assistant continuously pumps water and injects water, and the circulating nurse continuously adds water, so that repeated operation is repeated, and the sterile instrument table is often splashed with water, thereby causing the possibility of pollution.

Disclosure of Invention

An object of the utility model is to provide an operation perfusion system to solve one of the above-mentioned multinomial defect or defect that leads to among the prior art.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a surgical perfusion system comprises a three-way joint, a first pipeline, a second pipeline and a third pipeline, wherein the head end of the first pipeline, the head end of the second pipeline and the head end of the third pipeline are respectively connected with the three-way joint, the tail end of the first pipeline is connected with a needle head, the tail end of the second pipeline is connected with an injection device, and the tail end of the third pipeline is connected with a Ruhr joint;

the first pipeline is connected with a one-way valve and a flow control device, and the third pipeline is connected with a one-way valve; the second pipeline or the third pipeline is also connected with a pressure relief valve;

the physiological saline enters the first pipeline from the needle head and enters the injection device at the tail end of the second pipeline through the three-way joint; after the physiological saline in the injection device flows out, the physiological saline flows into the third pipeline through the three-way joint and flows out from the joint.

Further, the first pipeline, the second pipeline and the third pipeline are hoses.

Furthermore, the three-way joint comprises a joint main body, and the peripheries of three interfaces of the joint main body are provided with a first retaining ring and a second retaining ring; the first retainer ring is close to the center of the joint main body, the second retainer ring is far away from the center of the joint main body, and the outer diameter of the second retainer ring is smaller than that of the first retainer ring.

Furthermore, the flow control device comprises a connecting plate, a bending plate and an extrusion head, and the side surface of the connecting plate is connected with a plurality of bulges; one end of the bending plate and the bottom end of the connecting plate are integrally formed, the other end of the bending plate is connected with the bulge in a sliding mode, and the extrusion head is connected with the bending plate; the first pipeline penetrates through the connecting plate and the bending plate;

the extrusion head has a first state in which the extrusion head closes the first conduit and a second state in which the extrusion head opens the first conduit.

Further, the injection device is a syringe.

Further, the infusion heating device further comprises an infusion heater, and the infusion heater is connected with the second pipeline. The transfusion heater can heat the physiological saline to a proper temperature, and the safety of the operation is ensured.

Further, the flow control device is located between the one-way valve and the needle. When the flow control device is used, the needle head is inserted into the physiological saline bag above the needle head, the flow control device is arranged between the one-way valve and the needle head, a user can conveniently control the flow control device, and convenience is brought to the user.

According to the above technical scheme, the embodiment of the utility model has following effect at least:

1. when the perfusion system of the device is used, the needle head is inserted into the saline bag hung above, a user adjusts the flow control device and operates the injection device to pump the saline into the injection device, the user operates the injection device to pump the saline out of the joint, the system pumps the saline in the saline bag for multiple times through the injection device and pumps out the saline, an assistant does not need to dial and insert the injector for multiple times to pump the saline out of other places, the clarity of the operative field is ensured, and the stable operation is facilitated; the arranged injection device can ensure that liquid is injected at a certain flow rate and pressure and the surgical field is kept clear; on the other hand, the pressure and the flow can be adjusted at any time, so that high pressure in the renal pelvis is avoided, and the safety of the operation is ensured;

2. the device is provided with the one-way valves in the first pipeline and the third pipeline, the one-way valves ensure that the physiological saline entering the injection device can only flow out of the joint to enter the body of a patient, the physiological saline entering the injection device is prevented from flowing to the physiological saline bag again, and the reliability of the device is ensured.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a connecting head according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a schematic structural diagram of a flow control device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a flow rate control device according to an embodiment of the present invention.

Wherein: 1. a three-way joint; 2. a first conduit; 3. a second conduit; 4. a third pipeline; 5. a needle head; 6. an injection device; 7. a luer fitting; 8. a one-way valve; 9. a flow control device; 10. a pressure relief valve; 11. a connector body; 12. a first retainer ring; 13. a second retainer ring; 91. a connecting plate; 92. bending the plate; 93. an extrusion head; 94. and (4) protruding.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 5, a surgical perfusion system comprises a three-way joint 1, a first pipeline 2, a second pipeline 3 and a third pipeline 4, wherein the head end of the first pipeline 2, the head end of the second pipeline 3 and the head end of the third pipeline 4 are respectively connected with the three-way joint 1, the tail end of the first pipeline 2 is connected with a needle 5, the tail end of the second pipeline 3 is connected with an injection device 6, and the tail end of the third pipeline 4 is connected with a luer joint 7. In use, as shown in fig. 5, the saline bag is lifted to a certain height, the needle 5 is inserted into the saline bag, and the saline in the saline bag flows into the first tube 2. The ureteroscope is connected with a luer connector 7, and the physiological saline flowing out of the luer connector 7 enters the body of a patient through the ureteroscope.

The first pipeline 2 is connected with a one-way valve 8 and a flow control device 9, and the third pipeline 4 is connected with the one-way valve 8; the normal saline enters the first pipeline from the needle head and enters the injection device at the tail end of the second pipeline through the three-way joint; the physiological saline in the injection device flows into the third pipeline through the three-way joint after flowing out and flows out from the joint.

The one-way valve 8 connected to the first tube 2 is used for controlling the liquid flowing from the needle 5 to the three-way joint 1, and the one-way valve 8 connected to the third tube 4 is used for controlling the liquid flowing from the three-way joint 1 to the luer 7.

In use, the needle 5 is inserted into the saline bag suspended above, the user adjusts the flow control device 9 to open and operates the injection device 6 to pump the saline into the injection device 6, and the user operates the injection device 6 to pump the saline out of the luer 7. In this embodiment, the saline bag can be 3L saline bag, which can basically meet the requirement of one operation. When in use, the injection device 6 extracts the physiological saline in the physiological saline bag for a plurality of times and ejects the physiological saline from the luer joint 7, an assistant does not need to pull and insert the injector for a plurality of times to extract the physiological saline from other places, the workload of the assistant is reduced, the clear operation field is ensured, and the stable operation is facilitated. On one hand, the injection device 6 can be manually operated to ensure that liquid is injected at a certain flow rate and pressure and the surgical field is kept clear; on the other hand, the pressure and the flow can be adjusted at any time, so that high pressure in the renal pelvis is avoided, and the safety of the operation is ensured.

In the present embodiment, the first pipe 2, the second pipe 3, and the third pipe 4 are all hoses. The hose can bend each pipeline in any shape or angle, and the convenience in use of the device is guaranteed.

As shown in fig. 2, the three-way joint 1 includes a joint body 11, and a first retainer ring 12 and a second retainer ring 13 are integrally formed on the peripheries of three ports of the joint body 11; the first retainer ring 12 is close to the center of the joint body, the second retainer ring 13 is far away from the center of the joint body, and the outer diameter of the second retainer ring 13 is smaller than that of the first retainer ring 12. When the pipe is connected, the pipe is inserted into the joint body 11, the outside of the pipe contacts the second retainer 13, and the end of the pipe contacts the first retainer 12. The second collar 13 serves to restrict the flow of saline out of the connection.

As shown in fig. 3 and 4, the flow control device 9 includes a connecting plate 91, a bending plate 92, and an extrusion head 93, and a plurality of protrusions 94 are connected to a left side surface of the connecting plate 91. The bottom end of the bending plate 92 and the bottom end of the connecting plate 91 are integrally formed, and the top end of the bending plate 92 is slidably connected with the bulge 94. The shape of the bending plate 92 is U-shaped, openings are provided in the width direction of the bending plate 92 and the connecting plate 91, and the first pipeline 2 passes through the openings. An extrusion head 93 is attached to the inside of the bending plate 91, the extrusion head 93 being close to the first pipe 2. The extrusion head 93 has a first state and a second state, the upper side of the bending plate 92 is manually pressed, the top end of the bending plate 92 slides downwards along the protrusion 94, the extrusion head 93 descends to the bottom end to be in the first state, and the extrusion head extrudes the first pipeline 2 to seal the first pipeline 2 in the first state. The top end of the bending plate 92 is manually shifted to move upward to the uppermost position, so that the bending plate is in a second state, and the extrusion head 93 opens the first pipeline 2 in the second state. The flow control device 9 can control the opening and closing of the first pipeline 2, and further control whether the physiological saline flows out.

In this embodiment, the flow control means 9 is located between the one-way valve 8 and the needle 5. When the device is used, the needle head 5 is inserted into the physiological saline bag above, the flow control device 9 is arranged between the one-way valve 8 and the needle head 5, the height of the device is proper, a user can conveniently control the flow control device 9, and convenience is brought to the user. The injection device is a syringe.

In this embodiment, the infusion heater is connected to the third conduit 4. The transfusion heater can also be arranged on the second pipeline 3, and the transfusion heater can heat the physiological saline to a proper temperature, so that the safety of the operation is ensured. The infusion heater can be purchased conventionally.

In this embodiment, a pressure relief valve 10 is further provided, the pressure relief valve 10 may be communicated with the second pipeline 2 or with the third pipeline 3, and the pressure relief valve 10 is disposed at the output end of the injector. When the normal pressure is ensured to be in the normal pressure range when the normal saline is pumped, the pressure of the pressure relief valve 10 is set to a corresponding value, and if the pressure in the patient exceeds the set value of the pressure relief valve 10, the normal saline flows out from the pressure relief valve 10.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A surgical perfusion system is characterized by comprising a three-way joint, a first pipeline, a second pipeline and a third pipeline, wherein the head end of the first pipeline, the head end of the second pipeline and the head end of the third pipeline are respectively connected with the three-way joint, the tail end of the first pipeline is connected with a needle head, the tail end of the second pipeline is connected with an injection device, and the tail end of the third pipeline is connected with a Ruhr joint;

the physiological saline enters the first pipeline from the needle head and enters the injection device at the tail end of the second pipeline through the three-way joint; after the physiological saline in the injection device flows out, the physiological saline flows into the third pipeline through the three-way joint and flows out from the luer joint.

2. The surgical infusion system of claim 1, wherein the first, second, and third conduits are each flexible tubes.

3. The surgical infusion system of claim 1, wherein the three-way connector comprises a connector body, and a first retainer ring and a second retainer ring are arranged on the periphery of each of the three interfaces of the connector body; the first retainer ring is close to the center of the joint main body, the second retainer ring is far away from the center of the joint main body, and the outer diameter of the second retainer ring is smaller than that of the first retainer ring.

4. The surgical infusion system of claim 1, wherein the flow control device comprises a connection plate, a bending plate, and an extrusion head, wherein a plurality of protrusions are connected to a side of the connection plate; one end of the bending plate and the bottom end of the connecting plate are integrally formed, the other end of the bending plate is connected with the bulge in a sliding mode, and the extrusion head is connected with the bending plate; the first pipeline penetrates through the connecting plate and the bending plate; the extrusion head has a first state in which the extrusion head closes the first conduit and a second state in which the extrusion head opens the first conduit.

5. The surgical infusion system of claim 1, wherein the injection device is a syringe.

6. The surgical infusion system of claim 1, further comprising an infusate heater connected to the third conduit.

7. The surgical infusion system of claim 1, further comprising an infusate heater connected to the second conduit.

8. The surgical infusion system of claim 1, wherein the flow control device is located between the one-way valve and the needle.