CN210095745U - An automatic needle sticking device - Google Patents

Abstract

The utility model relates to the field of medical instruments, and discloses an automatic needle sticking device, comprising a bracket (1), at least one pressing device (2), a scanning device (3), a clamping module (4), and an automatic needle ejecting device (5). ), a control drive module (6) and a human-computer interaction module (7); each of the pressurizing devices (2) is signally connected to the control and drive module (6), and the pressurizing device (2) includes a pressurizing ring (21) and a pressurized hose (22), one end of the pressurized hose (22) is connected to the pressurized ring (21), and the other end of the pressurized hose (22) is connected to the bracket (1) Connection; the automatic needle ejection device (5) includes a needle placement slot (51), a needle head clamping device (52) and a needle head storage cavity (53), and the needle head clamping device (52) is provided in the Put it in the needle groove (51). The automatic needle sticking device of the utility model is convenient to operate, can effectively improve the success rate of needle sticking, and relieve the pain of patients.

Description

An automatic needle sticking device

technical field

The utility model relates to the field of medical instruments, in particular to an automatic needle sticking device.

Background technique

Puncture is a commonly used surgical term in medicine. It is a diagnosis and treatment technique in which a puncture needle is inserted into a body cavity to extract secretions for testing, gas or contrast agent is injected into the body cavity for contrast examination, or drugs are injected into the body cavity. The purpose of puncture is blood test, blood transfusion, infusion and catheter placement for angiography. The blood vessels of humans or animals are located in the subcutaneous tissue or inside the body tissue. After the human or animal is sick, it is often necessary to puncture the veins, arteries or tissues. On the one hand, the main purpose is to obtain blood tissue samples for various tests. Analysis to obtain various biochemical, immune, pathological and other indicators of the patient, and guide the doctor to make a correct judgment; on the other hand, the patient can be infused through the venous channel established by puncture.

The existing practice mainly relies on the nurses' many years of experience and hand feeling to perform manual puncture, which often leads to inaccurate puncture, especially in the increasing number of obese patients, and infants and ICU patients have high requirements for medical staff's needle puncture techniques. In this case, it has caused great pain to patients and increased the probability of doctor-patient disputes.

In view of this, it is necessary to provide an automatic needle puncture device to ensure the accuracy of the needle puncture, ensure the success rate of the needle puncture, and reduce the pain of the patient.

Utility model content

The utility model provides an automatic needle sticking device, which can accurately detect the blood vessel position of a patient, improve the success rate of needle sticking and puncture, and relieve the pain of the patient.

In order to achieve the above purpose, the present invention provides an automatic needle sticking device, comprising a bracket, at least one pressing device, a scanning device, a clamping module, an automatic needle ejecting device, a control driving module and a human-computer interaction module; the pressing device Signal connection with the control and drive module, the pressurizing device includes a pressurizing ring and a pressurizing hose, one end of the pressurizing hose is connected to the pressurizing ring, and the other end of the pressurizing hose is connected to the pressurizing ring. the bracket is connected; the automatic needle ejection device comprises a needle placement groove, a needle head clamping device and a needle head storage cavity, and the needle head clamping device is arranged in the needle placement groove.

Preferably, the pressurizing ring is adapted to adjust the diameter of the pressurizing ring by changing the pressure within the ring.

More preferably, the automatic needle ejection device includes at least one needle insertion slot.

Further preferably, the needle clamping device includes a left splint and a right splint, the center regions of the left splint and the right splint are provided with grooves that match the diameter of the needle, and the left splint and the right splint are provided. A gap is provided between the opposite end faces.

As a specific structural form of the present invention, the pressurized hose is suitable for pulling out or retracting the support from the support through the outlet of the support, and the outlet of the support is provided with backstop structure.

As another specific structural form of the present invention, the bracket includes an upper bracket, a column, a lower platform and a foot. One end of the column is vertically connected to the lower surface of the upper bracket, and the other end of the column is vertically connected to the lower surface of the upper bracket. connected to the upper surface of the lower platform.

As another specific structural form of the present invention, the scanning device includes an ultrasonic identification and positioning device and a blood return detection device, the ultrasonic identification and positioning device includes an ultrasonic generating device and an ultrasonic receiving device, and the blood return detection device includes an infrared emission device. a blood return detection bracket, the blood return detection bracket is arranged on the lower plane of one end of the upper bracket, and the infrared transmitter and the infrared receiver are arranged on the blood return detection bracket away from the upper on one side of the stand.

More specifically, the blood return detection device is adapted to move along the length direction of the upper bracket.

As a more specific structural form of the present invention, the clamping module includes a needle holder and a robotic arm, the robotic arm at least includes a universal connection structure, and one end of the robotic arm is connected to the upper bracket , the other end of the mechanical arm is connected with the needle holder; the needle holder is suitable for clamping and loosening; the mechanical arm has at least three degrees of freedom.

Through the above technical solutions, the automatic needle sticking device of the present invention includes a bracket, at least one pressing device, a scanning device, a clamping module, an automatic needle ejecting device, a control driving module and a human-computer interaction module, and the scanning device includes ultrasonic identification and positioning. The device and the blood return detection device, the ultrasonic identification and positioning device can accurately locate the position of the blood vessel of the patient, and the blood return detection device can detect whether the needle is inserted into the blood vessel of the patient, so that the infusion or blood drawing can be successfully completed. The pressure device and the control drive module The signal connection increases the pressure of the pressure device through the control and drive module, so that the blood flow in the patient's blood vessels is slowed down, the venous blood vessels are congested and exposed in a short time, and the blood vessels can be clearly seen through the skin. The automatic needle sticking device of the utility model has the advantages of simple structure and convenient operation, which can not only reduce the workload of nurses, but also improve the success rate of needle sticking and relieve the pain of patients.

Description of drawings

Fig. 1 is the structural representation of an embodiment of the present utility model;

2 is a schematic structural diagram of an automatic needle ejection device according to an embodiment of the present invention;

Fig. 3 is the use state diagram of the pressurizing device in one embodiment of the present utility model;

FIG. 4 is a use state diagram of the needle clamping device in an embodiment of the present invention.

Description of reference numerals

1 bracket 11 upper bracket

12 column 13 lower platform

14 feet 2 pressure device

21 Pressurized ring 22 Pressurized hose

3 Scanning device 31 Ultrasonic identification and positioning device

311 Ultrasonic generator 312 Ultrasonic receiver

32 Blood return detection device 321 Infrared transmitter

322 infrared receiver 323 blood return detection bracket

4 Clamping module 41 Needle holder

42 Robotic arm 5 Automatic needle ejection device

51 Needle slot 52 Needle clamping device

53-pin storage chamber 54-pin

6 Control drive module 7 Human-computer interaction module

Detailed ways

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

First of all, it should be noted that, in the following description, some azimuth terms, such as "upper" and "lower", which are involved in order to clearly illustrate the technical solution of the present invention, are the azimuths normally referred to by the components in the automatic needle sticking device. The meaning of analogy, for example, after the automatic needle sticking device is installed and used, the surface opposite to the ground is down, and vice versa.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It is an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Referring to FIG. 1, an embodiment of the present invention provides an automatic needle sticking device, which is characterized in that it includes a bracket 1, at least one pressing device 2, a scanning device 3, a clamping module 4, an automatic needle ejecting device 5, The control driving module 6 and the human-computer interaction module 7; the pressurizing device 2 is signally connected to the control driving module 6, and the pressurizing device 2 includes a pressurizing ring 21 and a pressurizing hose 22, and the pressurizing soft One end of the tube 22 is connected to the pressure ring 21, and the other end of the pressure hose 22 is connected to the bracket 1; as shown in FIG. 2, the automatic needle ejection device 5 includes a needle slot 51, a needle A clamping device 52 and a needle storage cavity 53 , the needle clamping device 52 is provided in the needle placement groove 51 . The compression device 2 is controlled by an integrated air circuit, which can ensure that the pressure of the compression ring 21 increases at a constant speed, and at the same time, performs a blood pressure test during the compression process to determine whether to continue the compression or maintain the pressure according to the actual situation of the patient at any time. , so that the blood vessel of the patient can be filled under the action of pressure so that the needle 54 can be inserted into the blood vessel.

In a specific embodiment shown in FIG. 1 and FIG. 3 , the pressure ring 21 is adapted to adjust the diameter of the pressure ring 21 by changing the pressure in the ring. The function of the shown pressure ring 21 is equivalent to a pressure pulse belt, and its function is to slow down the speed of blood flow, so that the venous blood vessels are congested and exposed in a short time, and the blood vessels can be clearly seen through the skin, but there may also be People with inconspicuous venous blood vessels, such as obese patients, infants, etc., because the fat is too thick, it is impossible to identify the position of the blood vessels at all. It seems to be difficult to draw blood. Due to excessive tension, inaccurate needle sticking may also occur. Therefore, in the automatic needle sticking device of the present invention, the main function of the shown pressure device 2 is to ensure the filling of blood vessels, facilitate the needle into the blood vessels, and improve the success rate of needle sticking.

In a specific embodiment shown in FIG. 2 , the automatic needle ejection device 5 includes at least one needle insertion slot 51 .

In a specific embodiment shown in FIG. 4 , the needle clamping device 52 includes a left splint 521 and a right splint 522 . There is a gap between the opposite end surfaces of the left clamping plate 521 and the right clamping plate 522 for matching grooves. The left splint 521 and the right splint 522 can move relative to each other so that the needle head 54 can be clamped and loosened, and the groove matches the diameter of the needle head 54 so that the left splint 521 and the right splint 522 can secure the needle head when clamping the needle head 54 The 54 does not tip or fall. The left splint 521 and the right splint 522 can move up and down synchronously, so that the left splint 521 and the right splint 522 can enter the needle head storage cavity 53 to clamp the needle head 54 and then move upward until most of the needle head 54 is exposed to the needle insertion groove 51. The outside is so that the needle head 54 can be smoothly clamped by the clamping module 4 .

As a preferred structural form of the present invention, the pressurized hose 22 can be pulled out and retracted from the inside of the bracket 1 , and a backstop structure is provided on the outlet of the bracket 1 .

In a specific embodiment shown in FIG. 1 , the bracket 1 includes an upper bracket 11 , a column 12 , a lower platform 13 and a foot 14 , and one end of the column 12 is vertically connected to the lower plane of one end of the upper bracket 11 Above, the other end of the column 12 is connected with the upper plane of the lower plane 13 .

More specifically, the scanning device 3 includes an ultrasonic identification and positioning device 31 and a blood return detection device 32, the ultrasonic identification and positioning device 31 includes an ultrasonic generation device 311 and an ultrasonic receiving device 312, and the blood return detection device 32 includes an infrared transmitter 321. , an infrared receiver 322 and a blood return detection bracket 323, the blood return detection bracket 323 is arranged on the lower plane of one end of the upper bracket 11, and the infrared transmitter 321 and the infrared receiver 322 are arranged on the blood return detection bracket 323 is on a side plane away from the upper bracket 11 .

Further, the blood return detection device 32 can move along the length direction of the upper bracket 11 . The movement of the blood return detection device 32 in the length direction of the upper bracket 11 can ensure that the patient's arm can be adjusted according to the position of the needle when the patient's arm does not move, and can accurately detect whether there is blood returning in the needle tube, which can effectively avoid the movement of the arm. The change of the needle position, especially when puncturing a child, the elderly or a critically ill patient, can better reflect the beneficial effect brought by only moving the blood return detection device 32 without moving the patient's needle puncturing site.

As another specific structural form of the present invention, the clamping module 4 includes a needle holder 41 and a mechanical arm 42, the mechanical arm 42 at least includes a universal connection structure, and one end of the mechanical arm 42 is connected to The upper bracket 11 is connected, and the other end of the mechanical arm 42 is connected with the needle holder 41 , the needle holder 41 can be opened and clamped so as to grasp and replace the needle 54 , the mechanical arm 42 at least It has three degrees of freedom for easy adjustment of the needle insertion angle. At least one universal connection structure on the manipulator arm 42 can realize three degrees of freedom of rotation of the manipulator arm 42 around X, Y, and Z, so as to ensure the needle insertion angle.

The use process of some embodiments of the present invention is as follows: the patient selects a suitable pressure ring 21 according to the thickness of the arm, extends the arm into the pressure ring 21 and places it at the ultrasonic generating device 311 , and puts the pressure hose 22 When stretched for a certain length, the pressurized hose 22 will not be retracted because the support 1 is provided with a backstop structure. After slowly pressurizing, the pressurizing ring 21 slowly pressurizes the arm to ensure that the blood vessels on the patient's arm are in a filling state. At this time, the ultrasonic generating device 311 sends out an ultrasonic signal, and the ultrasonic signal passes through the blood vessels on the arm to form a feedback signal, which is received by the ultrasonic receiving device 312 and processed by the control and driving module 6. The control and driving module 6 controls the clamping module 4 to find the blood vessel according to the feedback signal. At the same time, the control driver module 6 sends the feedback signal to the human-computer interaction module 7, and the nurse judges whether it is an accurate blood vessel according to the displayed information on the human-computer interaction module 7, and then controls the human-computer interaction module 7 to send a signal to the control driver. module 6, and control the clamping module 4 to complete the needle insertion process. After needle insertion, the blood return detection device 32 detects the return of blood in the needle tube, which means that the needle 54 has been inserted into the blood vessel, and the needle insertion and puncture process is completed.

As can be seen from the above description, the automatic needle sticking device of the present invention includes a bracket 1, at least one pressing device 2, a scanning device 3, a clamping module 4, an automatic needle ejecting device 5, a control driving module 6 and a human-computer interaction module 7. , the scanning device 3 includes an ultrasonic identification and positioning device 31 and a blood return detection device 32. The ultrasonic identification and positioning device 31 can accurately locate the position of the patient's blood vessel, and the blood return detection device 32 can detect whether the needle 54 is inserted into the patient's blood vessel, so that the infusion or blood can be successfully completed. For blood drawing, the pressurizing device 2 is signally connected to the control and drive module 6, and the pressure of the pressurizing device 2 is increased through the control and drive module 6, so that the blood flow in the patient's blood vessels is slowed down, and the veins The blood vessels are congested and exposed in a short time, and the blood vessels can be clearly seen through the skin. The automatic needle sticking device of the utility model has the advantages of simple structure and convenient operation, which can not only reduce the workload of nurses, but also improve the success rate of needle sticking and relieve the pain of patients.

The control software involved in the embodiments of the present invention all adopt the prior art.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above-mentioned embodiments. Within the scope of the technical concept of the present invention, many technical solutions of the present invention can be carried out. These simple modifications all belong to the protection scope of the present invention.

In addition, it should be noted that the specific technical features described in the above-mentioned specific embodiments can be combined in any suitable manner unless they are inconsistent. The combination method is not specified otherwise.

In addition, the various embodiments of the present invention can also be arbitrarily combined, as long as they do not violate the idea of the present invention, they should also be regarded as the content disclosed by the present invention.

Claims (9)

1. An automatic needle inserting device is characterized by comprising a bracket (1), at least one pressurizing device (2), a scanning device (3), a clamping module (4), an automatic needle discharging device (5), a control driving module (6) and a man-machine interaction module (7);

the pressurizing device (2) is in signal connection with the control driving module (6), the pressurizing device (2) comprises a pressurizing ring (21) and a pressurizing hose (22), one end of the pressurizing hose (22) is connected with the pressurizing ring (21), and the other end of the pressurizing hose (22) is connected with the bracket (1);

the automatic needle discharging device (5) comprises a needle placing groove (51), a needle head clamping device (52) and a needle head storage cavity (53), and the needle head clamping device (52) is arranged in the needle placing groove (51).

2. The automatic acupuncture device according to claim 1, characterized in that the pressure ring (21) is adapted to adjust the diameter of the pressure ring (21) by varying the intra-ring pressure.

3. The automatic needle inserting device according to claim 1, wherein said automatic needle discharging device (5) comprises at least one needle placing groove (51).

4. The automatic acupuncture device according to claim 1, characterized in that the needle clamping device (52) comprises a left clamping plate (521) and a right clamping plate (522), a groove matched with the diameter of the needle (54) is arranged in the central area of each of the left clamping plate (521) and the right clamping plate (522), and a gap is arranged between the two opposite end faces of the left clamping plate (521) and the right clamping plate (522).

5. The automatic acupuncture device according to claim 1, characterized in that the pressurized hose (22) is adapted to be pulled out of or retracted into the cradle (1) through a spout of the cradle (1), the spout of the cradle (1) being provided with a backstop structure.

6. The automatic acupuncture device according to claim 1, characterized in that the support (1) includes an upper support (11), a pillar (12), a lower platform (13) and a foot rest (14), one end of the pillar (12) is vertically connected to the lower surface of the upper support (11), and the other end of the pillar (12) is connected to the upper surface of the lower platform (13).

7. The automatic acupuncture device according to claim 6, characterized in that the scanning device (3) comprises an ultrasonic identification and positioning device (31) and a blood return detection device (32), the ultrasonic identification and positioning device (31) comprises an ultrasonic generating device (311) and an ultrasonic receiving device (312), the blood return detection device (32) comprises an infrared transmitter (321), an infrared receiver (322) and a blood return detection bracket (323), the blood return detection bracket (323) is arranged on a lower plane of one end of the upper bracket (11), and the infrared transmitter (321) and the infrared receiver (322) are arranged on a plane of one side of the blood return detection bracket (323) far away from the upper bracket (11).

8. The automatic needle insertion device according to claim 7, wherein said flashback-detecting means (32) is adapted to move along a length direction of said upper rack (11).

9. The automatic acupuncture device according to claim 6, characterized in that the grip module (4) comprises a needle holder (41) and a mechanical arm (42), the mechanical arm (42) comprises at least one universal connection structure, one end of the mechanical arm (42) is connected with the upper bracket (11), and the other end of the mechanical arm (42) is connected with the needle holder (41); the needle holder (41) is adapted to be clamped and unclamped; the robotic arm (42) has at least three degrees of freedom.

Images