CN219070563U - Ultrasound-guided puncture guide needle device - Google Patents

Abstract

The utility model discloses an ultrasound-guided puncture guide needle device, relates to the field of medical tools, and provides an ultrasound-guided puncture guide needle device which is safe and convenient to use. The ultrasound-guided puncture needle guide device includes a probe connection sleeve and a needle guide; the probe connection sleeve includes a sleeve body and a needle guide seat. The sleeve body matches the shape of the ultrasound probe and is set on the ultrasound probe. The sleeve body relies on its own elasticity to hoop the ultrasound probe. The needle guide seat is connected to the side of the sleeve main body; the needle guide and the needle guide seat are detachably connected and rotatable, and the needle guide has guide needle holes. The probe connecting sleeve is set on the ultrasonic probe, and then the needle guide is connected with the needle guide seat, the utility model is installed and can be started to use. Rotate the needle guide until the guide needle hole has a suitable angle, and the puncture needle passes through the guide needle hole, and the guide needle hole can guide the puncture needle to ensure that the puncture angle is accurate.

Description

Ultrasound-guided puncture guide needle device

technical field

The utility model relates to the field of medical tools, in particular to an ultrasound-guided puncture guide needle device.

Background technique

When puncturing a patient's deep blood vessel or tissue, relying solely on experience and blind puncture can easily lead to wrong puncture positions. Ultrasound technology can display the internal tissues of the human body. Ultrasound-guided puncture uses the function of ultrasonic equipment to display the internal tissues of the human body to assist in puncture. It can significantly improve the success rate of puncture and reduce the number of punctures and complications. Therefore, it is widely used in medical puncture.

The specific method of ultrasound-guided puncture operation is to apply ultrasonic coupling agent or ultrasonic sound-conducting pad on the puncture site of the human body, attach the end of the ultrasonic probe to the ultrasonic coupling agent or ultrasonic sound-conducting pad, and use a puncture needle to puncture from the side of the ultrasonic probe .

Ultrasound-guided puncture requires an accurate puncture angle, so an ultrasound-guided puncture guide needle device has emerged to assist in ensuring an accurate puncture angle. For example, ZL202022463594.3 discloses an ultrasound-guided fine needle puncture device, including an ultrasound probe holder, a horizontal movement assembly, a protractor, a puncture needle guide catheter, a skin puncture guide needle, and a blood vessel puncture needle. The screw adjustment is suitable for various types of ultrasound probes; after the puncture angle is determined by the protractor and the angle pointer, the skin puncture guide needle guides the catheter through the puncture needle to pierce the dense skin, and the blood vessel puncture needle guides the needle through the skin puncture in loose subcutaneous tissue. Tissue punctures the target blood vessel or tissue, and the puncture device ensures the stability of the puncture path and the precise position of the fine needle puncture.

The above-mentioned ultrasound-guided puncture needle guide device has the function of assisting in ensuring the accuracy of the puncture angle, but it also has some disadvantages. One of its puncture needle guide catheters is difficult to replace. During use, the puncture needle guide catheter is very close to the patient, and the puncture needle passes through the puncture needle guide catheter. After the puncture, it is obvious that the puncture needle guide catheter is easy to adhere to the bacteria carried by the patient. The contaminated puncture needle guide catheter will contaminate the puncture needle when it is used next time, which has obvious safety hazards. If the above-mentioned ultrasound-guided puncture guide needle device is used as a whole, the cost is obviously too high. If it is used for cleaning and disinfection, it is relatively cumbersome, and the inner hole of the puncture needle guide catheter is not easy to clean and disinfect thoroughly. Second, the above-mentioned ultrasound-guided puncture guide needle device is bulky and should not be installed on the ultrasound probe all the time, otherwise it will affect the ultrasound probe for other operations; and it is cumbersome to disassemble the entire ultrasound-guided puncture guide needle device every time it is used, so the above-mentioned Ultrasound-guided puncture guide needle devices are not very convenient to use.

Utility model content

The technical problem to be solved by the utility model is to provide a safe and convenient ultrasound-guided puncture guide needle device.

The technical solution adopted to solve the above problems is: the ultrasound-guided puncture needle guide device includes a probe connecting sleeve and a needle guide; the probe connecting sleeve includes a sleeve main body and a needle guide seat, and the sleeve main body matches the shape of the ultrasonic probe and is set on the ultrasonic probe , the main body of the sleeve relies on its own elasticity to hoop the ultrasonic probe, and the needle guide seat is connected to the side of the sleeve main body; the needle guide and the needle guide base are detachably connected and rotatable, and the needle guide has guide needle holes.

Further, the ultrasound-guided puncture needle guide device includes a connecting shaft; the needle guide seat has a first hinged hole, and a plurality of first inner positioning teeth are evenly distributed on the inner wall of the first hinged hole; the needle guide base includes a guide needle plate and two connecting plates, the two connecting plates are connected on the same side of the needle guide plate and arranged at intervals, the guide pin holes are arranged on the needle guide plate, one connecting plate has a second hinge hole, and the inner wall of the second hinge hole A plurality of second inner positioning teeth are evenly distributed, and the other connecting plate has a third hinge hole; the two connecting plates are respectively located on both sides of the needle guide seat; the connecting shaft includes an optical axis section and a plurality of outer positioning teeth. Gear shaft section, the gear shaft section is inserted into the second hinge hole and the first hinge hole, and the outer positioning teeth mesh with the first inner positioning teeth and the second inner positioning teeth; the optical axis section is inserted into the third hinge hole and passes through the third hinge hole surplus cooperation.

Further, there is an angle indication arrow on the surface of the connection plate, and an angle scale on the probe connection sleeve.

Further, the needle guide seat includes a needle guide plate and two connection plates, the two connection plates are connected on the same side of the needle guide plate and arranged at intervals, and the guide needle holes are arranged on the needle guide plate; the two connection plates are respectively located on the Both sides of the needle guide seat are hinged with the needle guide seat; there are various types of needle guides, and different types of needle guides have different angles of guide needle holes when they are rotated to fit the probe connecting sleeve.

Further, the needle guide seat has a first hinge hole, the connecting plate has a hemispherical protrusion, the connecting plate has elasticity, and the hemispherical protrusion is embedded in the first hinge hole.

Further, the ultrasound-guided puncture guide needle device includes a coupling sleeve, the coupling sleeve includes a coupling sleeve and an ultrasonic sound-conducting pad, the coupling sleeve is set on the lower end of the probe connecting sleeve, and the ultrasonic sound-conducting pad is connected to the coupling sleeve.

Further, the ultrasound-guided puncture guide needle device includes a coupling sleeve, the coupling sleeve includes a coupling sleeve and a film, the coupling sleeve is set on the lower end of the probe connecting sleeve, and the membrane is connected to the coupling sleeve.

The beneficial effects of the utility model are: 1. The needle guide and the needle guide seat of the utility model are detachably connected, and the needle guide can be used at one time, which can avoid polluting the puncture needle when the needle guide is used next time after use, and can Avoid cross-infection between patients, practical and safe, and meet the hospital's nosocomial infection prevention requirements.

2. The main body of the sleeve of the utility model matches the shape of the ultrasonic probe and is set on the ultrasonic probe. The main body of the sleeve relies on its own elasticity to hoop the ultrasonic probe. The needle guide seat is only used to connect the needle guide, which is also a relatively small structure. Therefore, the probe connecting sleeve occupies a small space, and can be set on the ultrasonic probe for a long time without affecting other operations of the probe. Just connect the needle guide to the needle guide seat every time you use it, which is convenient to use.

Description of drawings

Fig. 1 is the front view of the ultrasound-guided puncture needle guide device with the first needle guide and the first coupling sleeve;

Fig. 2 is a left view of the ultrasound-guided puncture needle device of Fig. 1;

Fig. 3 is a sectional view of the lower part of Fig. 1;

Fig. 4 is the sectional view of Fig. 2 bottom;

Fig. 5 is a structural diagram of the first needle guide;

Figure 6 is an exploded view of the installation of the first type of needle guide;

Figure 7 is an installation diagram of the first needle guide;

Fig. 8 is a structural diagram of an ultrasound-guided puncture needle guide device with a second needle guide and a first coupling sleeve;

Fig. 9 is a structural diagram of the second needle guide;

Figure 10 is an installation diagram of the second needle guide;

Fig. 11 is the installation diagram of the second coupling sleeve;

The marks in the figure are: probe connection sleeve 1, sleeve main body 11, needle guide seat 12, first hinge hole 121, first inner positioning tooth 122, angle scale 13, needle guide 2, connecting plate 21, second hinge hole 211, the second inner positioning tooth 212, the third hinge hole 213, the angle indicator arrow 214, the positioning surface 215, the guide pin plate 22, the guide pin hole 221, the hemispherical protrusion 23, the coupling sleeve 3, the coupling connection sleeve 31, the ultrasonic Acoustic pad 32 , film 33 , connecting shaft 4 , gear shaft section 41 , outer positioning teeth 411 , optical axis section 42 , and ultrasonic probe 5 .

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.

As shown in Figures 1 to 11, the ultrasound-guided puncture needle guide device includes a probe connection sleeve 1 and a needle guide 2; the probe connection sleeve 1 includes a sleeve body 11 and a needle guide seat 12, and the sleeve body 11 matches the shape of the ultrasonic probe 5 And set on the ultrasonic probe 5, the sleeve main body 11 relies on its own elasticity to hoop the ultrasonic probe 5, and the needle guide seat 12 is connected to the side of the sleeve main body 11; the needle guide 2 and the needle guide seat 12 are detachably connected and rotatable , the needle guide 2 has a guide needle hole 221 .

The probe connecting sleeve 1 is set on the ultrasonic probe 5, and then the needle guide 2 is connected with the needle guide seat 12, the utility model is installed and ready to use. Rotate the needle guide 2 to the guide needle hole 221 to have a suitable angle, and the puncture needle passes through the guide needle hole 221, and the guide needle hole 221 can guide the puncture needle to ensure that the puncture angle is accurate. After one use, the needle guide seat 12 is removed and thrown into a medical trash can; the probe connection sleeve 1 is set on the ultrasonic probe 5 without being removed, and a new needle guide 2 can be installed for the next use.

The ultrasonic probes 5 of different manufacturers have different shapes. The ultrasonic probes 5 should be designed and manufactured according to the shape of the ultrasonic probes 5, and various types of probe connector sleeves 1 should be designed according to the common ultrasonic probes 5 in the market. The sheath main body 11 hoops the ultrasonic probe 5 by its own elasticity, so the sheath main body 11 should be made of a material with certain elasticity, such as resin or plastic with certain elasticity.

The specific structure of the first type of needle guide 2 and the connection method of the needle guide base 12 are shown in Figures 4 to 7, the ultrasound-guided puncture needle guide device includes a connecting shaft 4; the needle guide base 12 has a first hinge hole 121, a plurality of first inner positioning teeth 122 are evenly distributed on the inner wall of the first hinge hole 121; The same side of the same side and spaced apart, guide needle holes 221 are arranged on the needle guide plate 22, a connecting plate 21 has a second hinge hole 211, and the inner wall of the second hinge hole 211 is evenly distributed with a plurality of second inner positioning teeth 212 , the other connecting plate 21 has a third hinge hole 213; the two connecting plates 21 are respectively located on both sides of the needle guide base 12; the connecting shaft 4 includes an optical axis section 42 and a gear shaft section with a plurality of outer positioning teeth 411 41, the gear shaft section 41 is inserted into the second hinge hole 211 and the first hinge hole 121, the outer positioning tooth 411 meshes with the first inner positioning tooth 122 and the second inner positioning tooth 212; the optical axis section 42 is inserted into the third hinge hole 213 and Interference fit with the third hinge hole 213 .

When the needle guide 2 rotates to adjust the angle, move the connecting shaft 4 so that the gear shaft section 41 exits the first hinge hole 121, then rotate the needle guide 2 to the required angle, and then insert the gear shaft section 41 into the first hinge hole 121. . Since the outer positioning tooth 411 meshes with the first inner positioning tooth 122 and the second inner positioning tooth 212, after the needle guide 2 is adjusted properly, the angle will not change, which can ensure the puncture angle of the puncture needle.

The puncture angle of the puncture needle is mainly determined by the depth of the human tissue to be penetrated, and is also related to the specific size of the ultrasound-guided puncture needle guide device. In order to be able to measure the angle of the puncture needle and set the angle of the needle guide 2 according to the depth of the human tissue to be penetrated, the utility model should have corresponding marks, specifically the angle indicating arrow 214 is provided on the surface of the connecting plate 21, and the probe connecting sleeve 1 There is an angle scale 13 on it.

According to the specific design of the probe of the commonly used Philips X50 ultrasonic instrument, the applicant obtained the specific marks in the following table (also shown in Figure 1):

Human Tissue Depth Piercing angle 0.5cm 64° 1.0cm 44° 1.5cm 33° 2.0cm 26° 2.5cm 21° 3.0cm 18° 3.5cm 16° 4.0cm 14°

The specific structure of the second needle guide 2 and the connection mode of the needle guide base 12 are shown in Figures 8 to 10, the needle guide base 12 includes a needle guide plate 22 and two connecting plates 21, and the two connecting plates 21 Connected to the same side of the needle guide plate 22 and arranged at intervals, the needle guide holes 221 are arranged on the needle guide plate 22; the two connecting plates 21 are respectively located on both sides of the needle guide base 12 and are hinged with the needle guide base 12; There are various models of the needle guide 2 , and the angles of the needle guide hole 221 are different when the needle guide 2 of different models is rotated to fit the probe connecting sleeve 1 .

The positioning surface 215 is provided on the needle guide 2, and the positioning surface 215 is used to be attached to the probe connecting sleeve 1. The angle of the positioning surface 215 is different, and the angle of the guide pin hole 221 is different after it is attached to the probe connecting sleeve 1. In this case, the needle guide 2 should have different models according to the depth of the puncture, and the appropriate needle guide 2 should be selected according to the depth of the human tissue to be penetrated before the puncture.

The second specific method for connecting the needle guide 2 to the needle guide base 12 can be as follows: the needle guide base 12 has a first hinge hole 121, the connecting plate 21 has a hemispherical protrusion 23, the connecting plate 21 has elasticity, The hemispherical protrusion 23 is inserted into the first hinge hole 121 . When installing in this way, firmly press the needle guide 2 needle guide seat 12 to support the hemispherical protrusion 23, so that the connecting plate 21 swings and opens, and the needle guide 2 is sleeved on the needle guide seat 12; the hemispherical protrusion 23 enters After the first hinge hole 121, the connecting plate 21 rebounds.

As mentioned in the background art, the specific method of ultrasound-guided puncture operation is to apply an ultrasonic coupling agent or lay an ultrasonic sound-conducting pad on the puncture site of the human body, and attach the end of the ultrasonic probe to the ultrasonic coupling agent or the ultrasonic sound-conducting pad.

The utility model can be further improved to make related settings.

Specifically, as shown in Figure 3, the ultrasound-guided puncture guide needle device includes a coupling sleeve 3, and the coupling sleeve 3 includes a coupling sleeve 31 and an ultrasonic sound-conducting pad 32. The pad 32 is connected to the coupling sleeve 31 .

It can also be shown in Figure 11 that the ultrasound-guided puncture guide needle device includes a coupling sleeve 3, the coupling sleeve 3 includes a coupling sleeve 31 and a film 33, the coupling sleeve 31 is set on the lower end of the probe connection sleeve 1, and the membrane 33 and the coupling sleeve 31 connections. The membrane 33 is used to contain the ultrasonic coupling agent.

The coupling sleeve 3 is in contact with the human body, and the above coupling sleeve 3 should be used once to ensure its cleanliness and sterility. In order to further prevent the coupling sleeve 3 from being polluted, the packaging bag of the coupling sleeve 3 can be held in hand to carry out the assembly operation, and the coupling sleeve 3 is put on the probe connection sleeve 1 before discarding the packaging bag.

Claims (7)

1. Ultrasound-guided puncture guide needle device, characterized in that: it includes a probe connection sleeve (1) and a needle guide (2); the probe connection sleeve (1) includes a cover main body (11) and a needle guide seat (12), the cover The main body (11) matches the shape of the ultrasonic probe (5) and is set on the ultrasonic probe (5). The sleeve main body (11) hoops the ultrasonic probe (5) by its own elasticity, and the needle guide seat (12) is connected to the sleeve main body ( 11) on the side; the needle guide (2) is detachably connected and rotatable with the needle guide seat (12), and the needle guide (2) has a guide needle hole (221). 2. The ultrasound-guided puncture needle guide device according to claim 1, characterized in that: it includes a connecting shaft (4); the needle guide seat (12) has a first hinged hole (121), and the first hinged hole (121 ) is evenly distributed with a plurality of first inner positioning teeth (122); the needle guide seat (12) includes a needle guide plate (22) and two connecting plates (21), and the two connecting plates (21) are connected to the The same side of the needle guide plate (22) is arranged at intervals, the needle guide hole (221) is arranged on the needle guide plate (22), and a connecting plate (21) has a second hinged hole (211), the second hinged hole ( 211) is uniformly distributed with a plurality of second inner positioning teeth (212), and the other connecting plate (21) has a third hinged hole (213); the two connecting plates (21) are respectively located in the needle guide seat ( 12) on both sides; the connecting shaft (4) includes an optical shaft segment (42) and a gear shaft segment (41) with a plurality of outer positioning teeth (411), and the gear shaft segment (41) is inserted into the second hinge hole (211) and the first hinge hole (121), the outer positioning tooth (411) meshes with the first inner positioning tooth (122) and the second inner positioning tooth (212); the optical axis section (42) is inserted into the third hinge hole (213) and Interference fit with the third hinge hole (213). 3. The ultrasound-guided puncture needle guide device according to claim 2, characterized in that: there is an angle indicating arrow (214) on the surface of the connecting plate (21), and an angle scale (13) is on the probe connecting sleeve (1). 4. The ultrasound-guided puncture needle guide device according to claim 1, characterized in that: the needle guide seat (12) comprises a needle guide plate (22) and two connecting plates (21), and the two connecting plates (21) Connected to the same side of the needle guide plate (22) and arranged at intervals, the guide needle holes (221) are arranged on the needle guide plate (22); the two connecting plates (21) are respectively located on both sides of the needle guide seat (12) And it is hinged with the needle guide seat (12); the needle guide (2) has a variety of models, and the needle guide (2) of different models is rotated to the position of the guide needle hole (221) when it fits with the probe connecting sleeve (1). The angles are different. 5. The ultrasound-guided puncture needle guide device according to claim 4, characterized in that: the needle guide seat (12) has a first hinge hole (121), and the connecting plate (21) has a hemispherical protrusion (23 ), the connecting plate (21) has elasticity, and the hemispherical protrusion (23) is embedded in the first hinge hole (121). 6. The ultrasound-guided puncture guide needle device according to any one of claims 1 to 5, characterized in that: it includes a coupling sleeve (3), and the coupling sleeve (3) includes a coupling connection sleeve (31) and an ultrasonic sound-conducting pad ( 32), the coupling connection sleeve (31) is set on the lower end of the probe connection sleeve (1), and the ultrasonic sound guide pad (32) is connected with the coupling connection sleeve (31). 7. The ultrasound-guided puncture needle guide device according to any one of claims 1 to 5, characterized in that it includes a coupling sleeve (3), and the coupling sleeve (3) includes a coupling sleeve (31) and a film (33), The coupling connection sleeve (31) is sleeved on the lower end of the probe connection sleeve (1), and the film (33) is connected with the coupling connection sleeve (31).

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