CN215417198U

CN215417198U - Venous indwelling needle puncture tube sealing training device

Info

Publication number: CN215417198U
Application number: CN202120466324.XU
Authority: CN
Inventors: 肖晓红; 尚婉媛; 周勇; 周静; 徐怡
Original assignee: Nanjing Childrens Hospital of Nanjing Medical University
Current assignee: Nanjing Childrens Hospital of Nanjing Medical University
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2022-01-04
Anticipated expiration: 2031-03-03

Abstract

The utility model relates to a vein indwelling needle puncture tube sealing training device which comprises a simulation pressurization type liquid storage container, a pressurization device and a soft leather strip, wherein the simulation pressurization type liquid storage container is of a double-layer structure and comprises a hard shell and a flexible inner container, the hard shell is provided with a shell interface, the flexible inner container is provided with an inner container interface, and the inner container interface extends out of the shell interface and is connected with the pressurization device; the outer wall of the interface of the inner container is hermetically connected with the inner wall of the interface of the shell, so that a blood cavity is formed between the hard shell and the flexible inner container, and simulated blood is filled in the blood cavity; the soft leather strip is fixed on the outer surface of the hard shell, and two ends of the soft leather strip penetrate through the hard shell to be communicated with the blood cavity. The utility model can simulate the pressure in the human blood vessel in the blood cavity, improve the sense of reality of training; the soft leather strip is used for training nurses and the nurse to take exercise and puncture, and after the vein remaining needle is punctured and placed into the soft leather strip, the soft leather strip can be used for the training nurses and the nurse to take exercise and perform positive pressure tube sealing operation.

Description

Venous indwelling needle puncture tube sealing training device

Technical Field

The utility model relates to a training device for medical teaching, in particular to a venous indwelling needle puncture tube sealing training device, and belongs to the technical field of teaching instrument design.

Background

With the development of medical science, intravenous medication of an indwelling needle through superficial venipuncture is used as a new nursing technology and is more and more widely applied to clinic. The novel nursing device can avoid pain caused by repeated puncture to a patient, greatly reduce workload of nurses and improve nursing work efficiency. The puncture technology and the tube sealing technology are important links in the application process, are key points for reducing doctor-patient disputes and keeping transfusion smooth, and can prolong the tube placing time properly so as to prevent tube placing complications. The success rate of the puncture of the vein indwelling needle is high, so that the pain of a patient in the process of infusion is relieved, the contradiction between doctors and patients is reduced, the nursing quality is improved, and the working efficiency is further improved. In the process of indwelling the vein indwelling needle, the operation of sealing the tube is required after each time of transfusion is finished, and the tube is required to be sealed by positive pressure, so that the blood return in the extension tube of the indwelling needle is avoided, and the disputes of doctors and patients are reduced.

However, in the current clinical practice, it is found that although a nurse can master the theoretical requirements of puncture and tube sealing operations, the difference of the actual operations is large, the success rate is low due to tension during puncture, and blood return still exists in an extension tube of an indwelling needle due to incomplete tube sealing, so that blood coagulation blockage is easily caused, the remaining time of the indwelling needle is reduced, and the dissatisfaction of a patient is easily caused.

In order to make the practice nurse and the nurse better master the puncture and tube sealing technology, it is necessary to design a puncture and tube sealing training device for the venous indwelling needle so that the practice nurse and the nurse can train repeatedly and improve the operation capability and the operation skill.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides the vein indwelling needle puncture tube sealing training device which is ingenious in structure, reasonable in design and convenient to use.

According to the technical scheme provided by the utility model: vein is kept somewhere needle puncture and is sealed tub trainer, its characterized in that: the simulation pressurizing type liquid storage container is of a double-layer structure and comprises a hard shell and a flexible liner, wherein the hard shell is provided with a shell interface, the flexible liner is provided with a liner interface, and the liner interface extends out of the shell interface and is connected with the pressurizing device; the outer wall of the interface of the inner container is hermetically connected with the inner wall of the interface of the shell, so that a blood cavity is formed between the hard shell and the flexible inner container, and simulated blood is filled in the blood cavity; the soft leather strip is fixed on the outer surface of the hard shell, and two ends of the soft leather strip penetrate through the hard shell to be communicated with the blood cavity.

As a further improvement of the utility model, a fixed groove is concavely arranged on the outer surface of the hard shell, at least one restraint buckle with a through hole is arranged along the fixed groove, the restraint buckles are integrally fixed on the hard shell, the soft leather strip is half embedded in the fixed groove and is fixed through the restraint buckles, connectors are arranged at two ends of the fixed groove, one end of each connector is communicated with the blood cavity, and the other end of each connector is connected with the end of the soft leather strip.

As a further improvement of the utility model, the connector is a quick connector which is automatically sealed after being inserted, and the end part of the soft leather strip is movably and detachably connected with the quick connector.

As a further improvement of the utility model, the pressurizing device comprises an inflatable air bag, an inflatable tube and a pressure gauge, a valve is arranged at an opening of the inflatable air bag, the other interface of the valve is connected with the inflatable tube, the other end of the inflatable tube is connected with the liner interface of the flexible liner, and the pressure gauge is arranged on the inflatable tube.

As a further improvement of the utility model, the soft leather strip is cut from the waste transfusion leather strip.

As a further improvement of the utility model, the flexible inner container adopts a soft infusion bag, and the shape of the hard shell is a flat shape matched with the shape of the flexible inner container.

As a further improvement of the utility model, the hard shell and the soft leather strip are both made of transparent materials.

As a further improvement of the utility model, the outer wall of the interface of the inner container is hermetically connected with the inner wall of the interface of the shell by adopting a sealing plug, the sealing plug is fixed in the interface of the shell, and the interface of the shell is provided with a sealing cover.

As a further improvement of the utility model, a plurality of soft leather strips are arranged on the outer wall of the analog pressurized liquid storage container.

As a further improvement of the utility model, the outer wall of the hard shell is provided with an anti-skid structure.

Compared with the prior art, the utility model has the following advantages:

1) the flexible inner container of the pressurized infusion container is inflated and pressurized by the pressurizing device, so that the pressure in the blood vessel of the human body is simulated in the blood cavity, and the sense of reality of training is improved; the soft leather strip is used for training the puncture operation of the training nurse and the nurse, and training the needle insertion angle and the needle insertion depth; after the soft leather strap is put into in the puncture of vein indwelling needle, can supply practice nurse and nurse to take exercise malleation sealing operation repeatedly again, the training skill improves the quality of training, avoids the problem of "blood return" when the patient actually operates on one's body.

2) The fixing groove is concavely formed in the outer surface of the hard shell, and the soft leather strip is half embedded in the fixing groove, so that the soft leather strip is similar to the state of full vein after the tourniquet is tied, the simulation degree is higher, and the training effect is better.

3) The connector is a quick connector which is automatically sealed after being inserted, and the end part of the soft leather strip is movably and detachably connected with the quick connector, so that the soft leather strip can be quickly replaced with a new one after the soft leather strip is used up, and the training cost can be reduced.

4) The hard shell of the utility model is provided with a plurality of soft leather strips, thus being connected with a plurality of venous indwelling needles, being suitable for training by a plurality of people and improving the training efficiency.

Drawings

Fig. 1 is a schematic view of an appearance structure of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a simulated pressurized reservoir in an embodiment of the utility model.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1-a simulation pressurization type liquid storage container, 11-a hard shell, 12-a flexible inner container, 13-a shell connector, 14-an inner container connector, 15-a blood cavity, 16-a sealing plug, 17-a fixing groove, 18-a connector, 19-a restraint buckle, 2-a pressurization device, 21-an inflation air bag, 22-an inflation tube, 23-a pressure gauge, 24-a valve, 3-a soft leather strip and 4-a sealing cover.

Detailed Description

The utility model is further illustrated by the following specific figures and examples.

As shown in fig. 1 to 3, the embodiment discloses a venous indwelling needle puncture tube sealing training device, which comprises a simulation pressurization type liquid storage container 1, a pressurization device 2 and a soft leather strip 3, wherein the simulation pressurization type liquid storage container 1 is of a double-layer structure, the simulation pressurization type liquid storage container 1 comprises a hard shell 11 and a flexible liner 12, the hard shell 11 is provided with a shell interface 13, the flexible liner 12 is provided with a liner interface 14, and the liner interface 14 extends out of the shell interface 13 and is connected with the pressurization device 2; the outer wall of the inner container interface 14 is hermetically connected with the inner wall of the shell interface 13, so that a blood cavity 15 is formed between the hard shell 11 and the flexible inner container 12, and simulated blood is filled in the blood cavity 15; the soft leather strip 3 is fixed on the outer surface of the hard shell 11, and two ends of the soft leather strip 3 penetrate through the hard shell 11 and are communicated with the blood cavity 15.

When the blood pressure measuring device is used specifically, the flexible inner container 12 is pressurized through the pressurizing device 2, so that the pressure of the flexible inner container 12 reaches 9-15 mmHg, and the pressure in a human blood vessel is simulated in the blood cavity 15; the practice nurse or the nurse puncture the vein indwelling needle on the soft leather strip 3 according to the teaching requirement and fixes the vein indwelling needle by the transparent application, and the needle inserting angle and the needle inserting depth are exercised through the step, so that the training of the vein indwelling needle puncturing technology is realized. Then, after a disposable 5ml syringe is used for sucking the tube sealing liquid, the heparin cap of the venous indwelling needle is disinfected, the syringe is inserted to spurt the positive pressure tube sealing, the training sense of reality is stronger, the psychological quality of an operator can be trained, the training quality is improved, the training is repeatedly carried out until the positive pressure tube sealing technology of the indwelling needle is mastered, and the problem of blood return during the actual operation of a patient is avoided. The preferred color of the simulated blood within the blood chamber 15 is red to provide greater realism, and other colors may be substituted in actual practice.

As shown in fig. 1, in this embodiment, a fixing groove 17 is concavely provided on an outer surface of the hard shell 11, at least one restraint buckle 19 with a through hole is provided along the fixing groove 17, the restraint buckle 19 is integrally fixed on the hard shell 11, the soft leather strip 3 is half embedded in the fixing groove 17 and fixed by the restraint buckle 19, two ends of the fixing groove 17 are provided with connectors 18, one end of each connector 18 is communicated with the blood cavity 15, and the other end is connected with an end of the soft leather strip 3. With the arrangement, the soft leather strips 3 are half embedded in the fixing grooves 17, the state of the soft leather strips is similar to the state of the full vein after the tourniquet is tightened, the simulation degree is higher, and the training effect is better; the restraint buckle 19 makes the soft leather strip 3 more firmly fixed, and makes the soft leather strip 3 difficult to slide.

In the embodiment shown in fig. 1, the connecting head 18 is a quick connector which is automatically sealed after being inserted, and the end of the soft leather strip 3 is movably and detachably connected with the quick connector. So set up, soft leather strap 3 is detachable design, and soft leather strap 3 that can change new after 3 usefulness are useless of a soft leather strap can reduce the training cost. The quick coupling may be a conventional product in the art, such as a quick coupling on a water purifier.

As shown in fig. 1, in this embodiment, the pressurizing device 2 includes an inflatable bladder 21, an inflatable tube 22 and a pressure gauge 23, a valve 24 is installed at an opening of the inflatable bladder 21, another interface of the valve 24 is connected to the inflatable tube 22, the other end of the inflatable tube 22 is connected to the liner interface 14 of the flexible liner 12, and the pressure gauge 23 is installed on the inflatable tube 22. By the arrangement, when the inflatable air bag is used, pressurization is carried out in a manner of manually squeezing the inflatable air bag 21, and the operation is simple and convenient; the pressure gauge 23 is convenient for observing the pressure value, and when the pressure reaches 9-15 mmHg, the valve 24 is manually closed, so that the simulation pipe sealing operation can be started. When decompression or continuous pressurization is needed, the valve 24 is only opened to perform deflation or continuous inflation operation, and the inflation air bag 21 and the valve 24 can adopt the same functional parts on the mercury sphygmomanometer.

As shown in fig. 2, in the present embodiment, the flexible inner container 12 is a soft infusion bag, and the hard case 11 is flat and has a shape matching the shape of the flexible inner container 12. So set up, not only convenient for drawing materials, realized waste recycling moreover. In addition, the soft leather strip 3 can also be cut from a waste transfusion leather strip.

In this embodiment, the hard shell 11 and the soft leather strip 3 are preferably made of transparent materials, so that the trend of the liquid in the soft leather strip 3 is visible, and an operator can know the exercise state in time.

As shown in fig. 1, in this embodiment, an anti-slip structure is disposed on an outer wall of the hard casing 11. So set up, be convenient for stably grip simulation pressurization formula stock solution container 1, carry out puncture training operation.

As shown in fig. 2, in this embodiment, the outer wall of the liner interface 14 is hermetically connected to the inner wall of the housing interface 13 by a sealing plug 16, the sealing plug 16 is fixed in the housing interface 13, and the housing interface 13 is provided with a sealing cover 4. So set up, when not using, can pull down pressure device 2, cover sealed with sealed lid 4 with simulation pressurization formula stock solution container 1, make things convenient for to continue to use next time.

In the utility model, the outer wall of the simulated pressurized liquid storage container 1 is preferably provided with a plurality of soft leather strips 3, so that the simulated pressurized liquid storage container can be connected with a plurality of venous indwelling needles, and is suitable for training of a plurality of people, thereby improving the training efficiency.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Various modifications and alterations may occur to those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and alterations should be accorded the broadest interpretation so as to encompass all such modifications and alterations.

Claims

1. Vein is kept somewhere needle puncture and is sealed tub trainer, its characterized in that: the simulation pressurizing type liquid storage container comprises a simulation pressurizing type liquid storage container (1), a pressurizing device (2) and a soft leather strip (3), wherein the simulation pressurizing type liquid storage container (1) is of a double-layer structure, the simulation pressurizing type liquid storage container (1) comprises a hard shell (11) and a flexible inner container (12), the hard shell (11) is provided with a shell interface (13), the flexible inner container (12) is provided with an inner container interface (14), and the inner container interface (14) extends out of the shell interface (13) and is connected with the pressurizing device (2); the outer wall of the inner container interface (14) is hermetically connected with the inner wall of the shell interface (13), so that a blood cavity (15) is formed between the hard shell (11) and the flexible inner container (12), and simulated blood is filled in the blood cavity (15); the soft leather strip (3) is fixed on the outer surface of the hard shell (11), and two ends of the soft leather strip (3) penetrate through the hard shell (11) and are communicated with the blood cavity (15).

2. The venous indwelling needle puncture sealing training device of claim 1, wherein: the utility model discloses a soft leather strap, including hard shell (11), fixed slot (17) are equipped with to the concave fixed slot that is equipped with on the surface of hard shell (11), and fixed slot (17) are provided with at least one constraint along the line and detain (19) that have a perforation, constraint detains (19) an organic whole and fixes on hard shell (11), soft leather strap (3) are partly inlayed in fixed slot (17) and are detained (19) through constraint and fixed, and fixed slot (17) both ends are equipped with connector (18), connector (18) one end intercommunication blood chamber (15), the other end is connected with soft leather strap (3) tip.

3. The venous indwelling needle puncture sealing training device of claim 2, wherein: the connector (18) is a quick connector which is automatically sealed after being inserted, and the end part of the soft leather strip (3) is movably and detachably connected with the quick connector.

4. The venous indwelling needle puncture sealing training device of claim 1, wherein: the pressurizing device (2) comprises an inflating air bag (21), an inflating tube (22) and a pressure gauge (23), a valve (24) is installed at an opening of the inflating air bag (21), another interface of the valve (24) is connected with the inflating tube (22), the other end of the inflating tube (22) is connected with a liner interface (14) of the flexible liner (12), and the pressure gauge (23) is installed on the inflating tube (22).

5. The venous indwelling needle puncture sealing training device of claim 1, wherein: the soft leather strip (3) is cut from waste transfusion leather strips.

6. The venous indwelling needle puncture sealing training device of claim 1, wherein: the flexible inner container (12) adopts a soft infusion bag, and the shape of the hard shell (11) is a flat shape matched with the shape of the flexible inner container (12).

7. The venous indwelling needle puncture sealing training device of claim 1, wherein: the hard shell (11) and the soft leather strip (3) are both made of transparent materials.

8. The venous indwelling needle puncture sealing training device of claim 1, wherein: the outer wall of the inner container joint (14) is hermetically connected with the inner wall of the shell joint (13) through a sealing plug (16), the sealing plug (16) is fixed in the shell joint (13), and the shell joint (13) is provided with a sealing cover (4).

9. The venous indwelling needle puncture sealing training device of claim 1, wherein: and a plurality of soft leather strips (3) are arranged on the outer wall of the simulated pressurized liquid storage container (1).

10. The venous indwelling needle puncture sealing training device of claim 1, wherein: and an anti-skid structure is arranged on the outer wall of the hard shell (11).