CN211156124U

CN211156124U - Novel auxiliary guide wire interventional puncture needle for radiation interventional therapy

Info

Publication number: CN211156124U
Application number: CN201921608238.7U
Authority: CN
Inventors: 张雪; 孔德元; 李虎业; 李晓琴
Original assignee: Shengjing Hospital of China Medical University
Current assignee: Shengjing Hospital of China Medical University
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-04
Anticipated expiration: 2029-09-25

Abstract

The utility model provides a novel auxiliary guide wire interventional puncture needle for radiation interventional therapy. Radiation intervention treatment is intervene pjncture needle with novel supplementary seal wire includes: a handle; the puncture needle head mechanism is connected with the handle; the wire guide channel mechanism is connected in the handle and comprises a first wire guide channel and a second wire guide channel, one end of the handle close to the puncture needle head mechanism is provided with the first wire guide channel communicated with the puncture needle head mechanism, the other end of the handle is provided with the second wire guide channel, the second wire guide channel is communicated with the first wire guide channel, and the first wire guide channel is in sliding liquid-tight fit with the diameter of the wire guide; and the guide wire extrusion fixing mechanism is connected with the handle. The utility model provides a radiation intervention treatment is with novel supplementary seal wire intervention pjncture needle has the advantage that the seal wire probability of droing is little.

Description

Novel auxiliary guide wire interventional puncture needle for radiation interventional therapy

Technical Field

The utility model relates to a medical treatment intervention equipment field especially relates to a puncture needle is intervene with novel supplementary seal wire to radiation intervention treatment.

Background

Interventional therapy is minimally invasive therapy which is carried out by utilizing modern high-tech means, namely, under the guidance of medical imaging equipment, special catheters, guide wires and other precise instruments are introduced into a human body to diagnose and locally treat internal diseases, a puncture needle is interventional radiology and is a basic device, is similar to a scalpel in surgery, and needs the guide wires to enter blood vessels of a patient while the patient punctures, and generally adopts ultra-smooth guide wires for facilitating the entry of the guide wires.

Referring to chinese patent publication No. CN208435730U, an arterial interventional puncture needle is disclosed, in which a guide wire is directly inserted into a guide wire channel when in use, and the guide wire is easily dropped from the guide wire channel due to a large impact force of blood in an arterial blood vessel, thereby being not favorable for treatment of a patient.

Therefore, there is a need to provide a new auxiliary guide wire interventional puncture needle for radiation interventional therapy to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel supplementary seal wire intervention pjncture needle for radiation intervention treatment that reduces seal wire risk of droing.

The utility model provides a radiation intervention treatment is with novel supplementary seal wire intervention pjncture needle includes: a handle; the puncture needle head mechanism is connected with the handle; the wire guide channel mechanism is connected in the handle and comprises a first wire guide channel and a second wire guide channel, one end of the handle close to the puncture needle head mechanism is provided with the first wire guide channel communicated with the puncture needle head mechanism, the other end of the handle is provided with the second wire guide channel, the second wire guide channel is communicated with the first wire guide channel, and the first wire guide channel is in sliding liquid-tight fit with the diameter of the wire guide; seal wire extrusion fixed establishment, seal wire extrusion fixed establishment is connected with the handle, and seal wire extrusion fixed establishment presses gasbag, connecting pipe and annular gasbag of exerting pressure including the annular, the gasbag is pressed to the outer fixed surface of handle connection annular, and the inner wall fixedly connected with annular gasbag of exerting pressure of second seal wire passageway, and the gasbag is pressed to the annular through connecting pipe and annular and press the gasbag intercommunication each other.

Preferably, the guide wire channel mechanism further comprises a ball cavity, and the part of the first guide wire channel close to the puncture needle mechanism is connected with the ball cavity for storing blood.

Preferably, the puncture needle mechanism comprises a puncture needle and scale marks, one end of the handle is connected with the puncture needle, the puncture needle is communicated with the first guide wire channel, and the scale marks are arranged on the outer surface of the puncture needle.

Preferably, the junction of the first guide wire channel and the second guide wire channel is in smooth transition.

Preferably, the opening of one end of the second guide wire channel far away from the first guide wire channel is in a conical structure which gradually and smoothly expands outwards.

Preferably, the first guide wire channel and the second guide wire channel are both linear channels, and the inner diameter of the second guide wire channel is larger than that of the first guide wire channel.

Compared with the prior art, the utility model provides a radiation intervention treatment is with novel supplementary seal wire intervention pjncture needle has following beneficial effect:

the utility model provides a puncture needle is intervene with novel supplementary seal wire to radiation intervention treatment, in the puncture, the seal wire has with the card in second seal wire passageway, thereby need not puncture the back, the rethread seal wire, thereby reduce patient's amount of bleeding, the operation that simultaneously main treating doctor can accomplish puncture and seal wire entering alone, error and mutual interference when avoiding many people to operate, reduce the use difficulty of device, and exert pressure the fixed seal wire of gasbag extrusion through the annular, make patient's blood vessel when bleeding, reduce the probability that the seal wire drops because the impact of blood follows second seal wire passageway and first seal wire passageway, thereby improve device reliability in utilization.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the novel auxiliary guide wire interventional puncture needle for radiation interventional therapy provided by the present invention;

FIG. 2 is a schematic diagram of the internal structure of the novel auxiliary guide wire interventional puncture needle for radiation interventional therapy shown in FIG. 1;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numbers in the figures: 1. a puncture needle mechanism; 11. a puncture needle head; 12. scale lines; 2. a handle; 3. a guide wire extrusion fixing mechanism; 31. an annular pressing air bag; 32. a connecting pipe; 33. an annular pressure applying air bag; 4. a guide wire channel mechanism; 41. a ball cavity; 42. a first guidewire channel; 43. a second guidewire channel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of a novel auxiliary guide wire interventional puncture needle for radiation interventional therapy according to the present invention; FIG. 2 is a schematic diagram of the internal structure of the novel auxiliary guide wire interventional puncture needle for radiation interventional therapy shown in FIG. 1; fig. 3 is a partially enlarged view of a portion a in fig. 2. Radiation intervention treatment is with novel supplementary seal wire intervention pjncture needle includes: a handle 2; the puncture needle mechanism 1 is connected with the handle 2; the guide wire channel mechanism 4 is connected in the handle 2; the guide wire extrusion fixing mechanism 3 is connected with the handle 2.

In a specific implementation process, as shown in fig. 1 and 3, the guide wire pressing and fixing mechanism 3 includes an annular pressing air bag 31, a connecting pipe 32 and an annular pressing air bag 33, the outer surface of the handle 2 is fixedly connected with the annular pressing air bag 31, the inner wall of the second guide wire channel 43 is fixedly connected with the annular pressing air bag 33, and the annular pressing air bag 33 is communicated with the annular pressing air bag 31 through the connecting pipe 32.

Need to explain: when the device is used, the guide wire is inserted into the second guide wire channel 43 and the first guide wire channel 42, and the guide wire does not reach the ball cavity 41 at the moment, medical staff can extrude the annular pressing air bag 31 when holding the handle 2, the air bag 31 is pressed through extruding the annular pressing, so that gas in the annular pressing air bag 31 enters the annular pressing air bag 33 through the connecting pipe, the guide wire is extruded and fixed through the annular pressing air bag 33, the device is punctured, the guide wire is already clamped in the second guide wire channel 43, the puncture is not needed, the guide wire is then introduced, the bleeding volume of a patient is reduced, meanwhile, an attending physician can finish the operations of puncturing and guide wire entering independently, errors and mutual interference when multiple persons operate are avoided, and the use difficulty of the device is reduced.

Referring to fig. 1 and 2, the puncture needle mechanism 1 includes a puncture needle 11 and scale marks 12, the puncture needle 11 is connected to one end of the handle 2, the puncture needle 11 is communicated with the first guide wire channel 42, and the scale marks 12 are arranged on the outer surface of the puncture needle 11.

Need to explain: when the device is used, medical staff holds the handle 2 by hand, so that the puncture needle head 11 pierces the vascular wall of a patient, and the medical staff can visually know the needle inserting depth of the puncture needle head 11 through the scale marks 12, and the blind feeling of the operation of the medical staff is avoided.

Referring to fig. 1 and 2, the guide wire channel mechanism 4 includes a first guide wire channel 42 and a second guide wire channel 43, the first guide wire channel 42 communicated with the puncture needle mechanism 1 is disposed at one end of the handle 2 close to the puncture needle mechanism 1, the second guide wire channel 43 is disposed at the other end of the handle 2, the second guide wire channel 43 is communicated with the first guide wire channel 42, and the first guide wire channel 42 is in sliding liquid-tight fit with the guide wire diameter.

Need to explain: after the puncture needle 11 pierces the vascular wall of the patient, and the blood in the vascular wall of the patient enters the first guide wire channel 42 through the puncture needle 11, when the medical staff sees that the blood returns in the first guide wire channel 42, the puncture is stopped, the puncture needle 11 is prevented from piercing the back wall of the vascular wall, and the guide wire can enter the vascular wall of the patient through the second guide wire channel 43 and the first guide wire channel 42 in sequence; when the guide wire enters the first guide wire channel 42, the blood in the blood vessel can not enter the first guide wire channel 42 any more due to the sliding liquid-tight fit of the first guide wire channel 42 and the guide wire diameter.

It is also stated that: the annular pressurizing air bag 33 is used for extruding and fixing the guide wire, so that when a blood vessel of a patient bleeds, the probability that the guide wire falls off from the second guide wire channel 43 and the first guide wire channel 42 due to the impact of blood is reduced, and the use reliability of the device is improved.

Referring to fig. 2, the guide wire channel mechanism 4 further comprises a ball cavity 41, and a portion of the first guide wire channel 42 close to the puncture needle mechanism 1 is connected with the ball cavity 41 for storing blood.

Need to explain: the medical staff can observe the blood return conveniently through the ball cavity 41.

Referring to fig. 2, the junction of the first guide wire channel 42 and the second guide wire channel 43 is smoothly transitioned.

Need to explain: the guide wire can be smoothly and reliably entered into the first guide wire channel 42 from the second guide wire channel 43.

Referring to fig. 2, the end of the second guide wire channel 43 away from the first guide wire channel 42 is opened into a conical structure which is gradually and smoothly expanded outwards.

Need to explain: facilitating guidewire access into the second guidewire channel 43.

Referring to fig. 2, the first guide wire channel 42 and the second guide wire channel 43 are both straight channels, and the inner diameter of the second guide wire channel 43 is larger than that of the first guide wire channel 42.

Need to explain: the linear channel may facilitate the passage of a guide wire through the second guide wire channel 43 and the first guide wire channel 42.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a puncture needle is intervene with novel supplementary seal wire to radiation intervention treatment which characterized in that includes:

a handle (2);

the puncture needle mechanism (1), the puncture needle mechanism (1) is connected with the handle (2);

the guide wire channel mechanism (4) is connected into the handle (2), the guide wire channel mechanism (4) comprises a first guide wire channel (42) and a second guide wire channel (43), one end, close to the puncture needle mechanism (1), of the handle (2) is provided with the first guide wire channel (42) communicated with the puncture needle mechanism (1), the other end of the handle (2) is provided with the second guide wire channel (43), the second guide wire channel (43) is communicated with the first guide wire channel (42), and the first guide wire channel (42) is in sliding liquid-tight fit with the diameter of the guide wire;

seal wire extrusion fixed establishment (3), seal wire extrusion fixed establishment (3) are connected with handle (2), and seal wire extrusion fixed establishment (3) press gasbag (31), connecting pipe (32) and annular to pressurize gasbag (33) including the annular, gasbag (31) are pressed to the surface fixed connection annular of handle (2), and the inner wall fixedly connected with annular of second seal wire passageway (43) gasbag (33) of pressing, and gasbag (33) are pressed to the annular through connecting pipe (32) and annular and press gasbag (31) to communicate with each other.

2. The novel auxiliary guide wire interventional puncture needle for radiological interventional therapy according to claim 1, wherein the guide wire channel mechanism (4) further comprises a ball cavity (41), and a portion of the first guide wire channel (42) near the puncture needle head mechanism (1) is connected with the ball cavity (41) for storing blood.

3. The novel auxiliary guide wire interventional puncture needle for radiation interventional therapy according to claim 1, wherein the puncture needle head mechanism (1) comprises a puncture needle head (11) and scale marks (12), the puncture needle head (11) is connected to one end of the handle (2), the puncture needle head (11) is communicated with the first guide wire channel (42), and the scale marks (12) are arranged on the outer surface of the puncture needle head (11).

4. The novel auxiliary guide wire interventional puncture needle for radiological interventional therapy according to claim 1, wherein a junction of the first guide wire channel (42) and the second guide wire channel (43) is in smooth transition.

5. The novel auxiliary guide wire interventional puncture needle for radiation interventional therapy according to claim 1, characterized in that the opening of the end of the second guide wire channel (43) far away from the first guide wire channel (42) is in a conical structure which gradually and smoothly expands outwards.

6. The novel auxiliary guide wire interventional puncture needle for radiological interventional therapy according to claim 1, wherein the first guide wire channel (42) and the second guide wire channel (43) are both straight channels, and an inner diameter of the second guide wire channel (43) is larger than an inner diameter of the first guide wire channel (42).