TWI611820B - Fiber injection and suction device - Google Patents

Abstract

An optical fiber injection and suction device, in particular, an optical fiber lead disposed on an injection and a suction device, such that an optical source that is incident on the optical fiber lead can be guided to the needle by the optical fiber lead, and the injection and suction device that emits the light source by the needle Finally, the light source is directed to the needle; in addition, the fiber optic wire can also be used as image detection, so that the image can be guided to the camera by the light source and the fiber at the needle. The purpose of the invention is to assist the medical staff to mark the injection and suction position, and to solve the problem of erroneous needle insertion and unclear injection and suction position during injection and aspiration.

Description

Fiber injection and suction device

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to an injection and aspiration device, and more particularly to an optical fiber lead disposed on an injection and aspiration device such that a light source that is incident on the optical fiber lead can be guided to the needle by the optical fiber lead and the light source is guided by the needle. The injection and suction device can also transmit the image light source at the injection and suction position to the camera through the fiber optic cable.

With the development of science and technology and the improvement of people's quality of life, the demand for medical technology is increasing. Traditional medical equipment is also diversified and humanized. Compared with early syringes, only drugs can be injected into the body, so improper use is often used. The pipeline material is placed in the body, which produces many sequelae. Modern syringes not only need to be safe and non-toxic, but also require painless and precise. Traditional classic syringes mainly contain piston barrels and needles. During the injection process, the injection solution is injected through the hollow syringe into the human body through the piston. Whenever a medical professional performs an injection, he or she must pay considerable attention to whether the depth of the injection reaches the affected part, as well as the blood loss caused by the injection position and alleviate the pain of the patient. Unintentional injury may result in unnecessary injury.

However, with the development of science and technology, the difficulties encountered in many early technologies have been solved. For example, in terms of Chinese patent technology, China Invention Patent Publication No. CN104840358A, Chinese Invention Patent No. CN104287960A, China Practical The new patent publication No. CN204009142U, etc., has disclosed the use of optical fiber as an acupuncture needle to assist in positioning and energy therapy, but does not disclose hollow tube design, injection and pumping. In addition, in another Chinese Patent Publication No. CN103648368A, a needle of a plurality of lumens is disclosed, wherein the lumen can be used as an injection medicine and a suction tissue or an optical fiber to form an optical channel. The difference between the design and the traditional needle is that the lumen has no center design, and the fiber catheter is not attached to the inner wall of the injection and suction tube or the outside of the needle; in addition, in the case of Chinese Patent Publication No. CN1241443A, an infusion can be disclosed. The fiber needle is fixed to the needle core and placed in the inner tube of the needle. The needle base is connected to the infusion set. When the needle is punctured into the blood vessel, the fiber needle can extend out of the needle to perform irradiation treatment, and has an infusion function.

Furthermore, as far as the patent technology of Taiwan, China Taiwan Patent Publication No. 234695, the optical fiber observation system in the catheter shaft probe is fixed, the optical fiber is available for illumination and observation; in addition, it is invented in Taiwan, China. Patent Publication No. 201601781 discloses a puncture needle containing an optical fiber having the characteristics of optically recognizing a tissue; and, in Taiwanese Patent Publication No. 250437, having a design using a fiber as a piercing tissue, in particular The medical probe device with optical imaging capability can accurately perform drug administration for specific cell tissues.

In order to solve the problems described in the prior art, the main object of the present invention is to provide an injection and aspiration needle having an optical guiding position function, wherein the needle structure comprises: a first stainless steel needle having a first hollow inner diameter; a second stainless steel needle having a second hollow inner diameter and disposed in a hollow inner diameter of the first stainless steel needle; wherein the first stainless steel needle is adhered to a portion of the second stainless steel needle to form a center of the second stainless steel needle The dots form an eccentric structure whereby an eccentric structure forms a passage in a portion of the first stainless steel needle that is not connected to the second stainless steel needle.

Another main object of the present invention is to provide a needle holder structure for configuring an optical fiber lead, comprising: a head having a through hole; a body connected to the head having the through hole, the seat having a wedge-shaped space, and The wedge-shaped space is in communication with the through hole of the head; the needle has a tip and a needle end opposite to the tip, and the tail end is disposed in the through hole and exposed to the wedge space, and the needle side is formed with a consistent perforation; One part is disposed in the head and the seat body, and the other part is exposed outside the body, and the terminal end of the exposed end is connected to an optical connector, and the other end of the head is disposed in the needle through the through hole.

A main object of the present invention is to provide an optical fiber injection and suction device comprising: a needle holder structure for arranging an optical fiber lead; a hollow syringe having a front end and an accommodating space, the front end being in communication with the accommodating space; The push rod is airtightly arranged in the accommodating space of the hollow needle cylinder; wherein the needle seat structure further comprises: a head having a through hole; and a body connected to the head having the through hole, the seat body The utility model has a wedge-shaped space, and the wedge-shaped space communicates with the through hole of the head, and is connected to the front end of the hollow needle cylinder by a wedge-shaped space; the needle has a needle tip and a needle end end opposite to the needle tip, and the needle end is disposed at the needle end The through hole is exposed to the wedge-shaped space, and the needle is adjacent to the vicinity of the head of the seat to form a consistent perforation; wherein a part of the optical fiber wire is disposed in the base body, and the other part is exposed outside the body, and the terminal end of the exposed end is connected with an optical connection. The device is connected, and the other end of the body is placed in the needle through the through hole.

According to the above object, by the design of the present invention, when the medical staff uses the fiber injection and suction device of the present invention to inject and aspirate the patient, the light emitted by the tip of the needle can be obtained after the tip of the needle enters the human body. Point to determine whether the injection and suction position is correct, improve the accuracy of injection and aspiration; in addition, the medical staff can also determine the needle pointing by the position of the mark illuminated by the laser light source, which can reduce the mistakes of the medical staff during injection and aspiration. Risk. In addition, the fiber can also be used as a guide to the local image around the tip to observe the camera. use. Further, the optical fiber lead in the present invention may be a plastic optical fiber, and thus is inexpensive.

1‧‧‧Fiber injection and suction device

2‧‧‧ patients

10‧‧‧ needle

11‧‧‧Stainless steel needle

12‧‧‧Stainless steel needle

14‧‧‧High light guide

15‧‧‧Injection fluid and suction channel

17‧‧‧Light channel

20‧‧‧ needle seat

21‧‧‧ head

22‧‧‧

23‧‧‧Wedge frame

24‧‧‧Wedge space

25‧‧‧ Round rib ring

30‧‧‧ hollow syringe

32‧‧‧ accommodating space

34‧‧‧ hollow syringe front end

40‧‧‧Put

50‧‧‧Fiber Optic Wire

60‧‧‧ optical connectors

71, 72, 73‧‧‧ joints

80‧‧‧Preset joints

110‧‧‧Needle

120‧‧‧needle end

130‧‧‧through holes

1 is a schematic view of a fiber injection and suction device of the present invention; FIG. 2 is a partially enlarged schematic view of a needle injection and suction end of the optical fiber injection and suction device of the present invention; FIG. 3 is a fiber injection and suction device of the present invention; Figure 4 is a schematic cross-sectional view of the needle holder of the present invention; Figure 5 is a schematic cross-sectional view showing the needle holder of the present invention; Figure 6 is a schematic view of the optical fiber injection and suction device of the present invention; And Figure 7 is a schematic view of the optical fiber injection and aspiration device of the present invention in use.

In order to make the objects, the technical solutions and the advantages of the present invention more comprehensible, the present invention will be further described in detail in conjunction with the embodiments and the accompanying drawings. The components of the laser positioning type fiber injection and suction device of the present invention and the achievement of the efficacy will be described with reference to the preferred embodiments of the drawings. However, in order to avoid defocusing of embodiments of the present invention, structural features between conventional injection and aspiration devices of the prior art will not be described in detail; and, in each of the figures, for fiber optic injection and aspiration devices The components, dimensions, appearance, and the like are merely illustrative of the technical features of the present invention and are not intended to limit the present invention.

Please refer to FIG. 1 , which is a schematic diagram of an optical fiber injection and suction device of the present invention. First, as shown in FIG. 1, the optical fiber injection and suction device 1 of the present invention comprises: a needle 10, a needle a needle hub 20, a hollow barrel 30, a plunger pusher 40, an optic fiber 50, and a light connector 60; wherein the needle 10 is fixed On the hub 20, one end of the optical fiber 50 is connected to the optical connector 60, and the other end of the optical fiber lead 50 is placed into the needle hub 20 and passed through the through hole 130 in the needle 10 (shown in 2) enters the needle 10, and the hollow syringe 30 has a front end 34 and the front end 34 communicates with the hollow receiving space 32 of the hollow cylinder 30; the front end 34 can be inserted into the needle holder 20 and form a gas-tight connection, the piston The push rod 40 is airtightly disposed in the hollow accommodation space 32 of the hollow needle barrel 30. Therefore, when the optical connector 60 is connected to the laser emitting device, the laser light emitted from the laser emitting device is guided into the hub 20 via the path of the optical fiber lead 50, so that the laser light can emit light from the tip end of the needle 10. Therefore, with the design of the present invention, when the medical staff uses the fiber injection and suction device of the present invention to inject and aspirate the patient, the light spot from the tip of the needle 10 can be used after the tip of the needle 10 enters the human body. Judging whether the injection and suction position are correct, and improving the accuracy of injection and aspiration; in addition, the medical staff can judge the needle 10 by pointing the position of the mark illuminated by the laser light source, thereby reducing the mistake of the medical staff during injection and aspiration. Risk.

According to the above description, since the optical fiber injection and suction device of the present invention can inject and aspirate a patient, the injection and suction positions can be judged by the light spot emitted from the tip of the needle 10 after the tip of the needle 10 enters the human body. Whether it is correct; therefore, when the tip of the needle 10 enters the human body, the needle 10 can transmit a localized image light source around the needle 10 to an external camera for imaging and display, thereby improving the accuracy of the injection and suction positions, and It can be used as a detecting device to provide medical personnel with a more accurate judgment of the position of the needle 10 to further improve the accuracy of the injection and suction position. Further, the optical fiber lead 50 in the present invention may be a plastic optical fiber, and thus is inexpensive.

2 and FIG. 3, wherein FIG. 2 is a partial enlarged view of the needle injection and suction end of the optical fiber injection and suction device of the present invention; and FIG. 3 is the optical fiber injection and suction of the present invention. A schematic view of the needle cross section in the device. First, as shown in FIG. 2, the needle 10 of the present invention is designed as a long straight metal conduit. The needle tip 110 of the needle 10 is a cylindrical bevel body, and the outermost layer of the needle 10 is a stainless steel needle (Stainless Steel) 11, for example, the specification model is The size of 21G (inner diameter is 0.5mm; outer diameter is 0.8mm); and the inner layer of stainless steel needle 11 is another stainless steel needle 12, for example: the size of the specification model is 27G (the inner diameter is 0.16mm; The diameter is 0.4mm). It is apparent that the stainless steel needle 12 is coated in the stainless steel needle 11, and a part of the circumferential surface of the outer diameter of the stainless steel needle 12 is adhered to a part of the circumferential surface of the inner diameter of the stainless steel needle 11. Since the inner diameter of the stainless steel needle 11 is larger than the outer diameter of the stainless steel needle 12, when the stainless steel needle 12 is adhered to a part of the stainless steel needle 11, two channels, that is, the fluid passage 15 and the light passage 17 are formed; The fluid passage 15 is a gap between the stainless steel needle 12 and the stainless steel needle 11 (the gap is close to 0.1 mm), and the light passage 17 is the inner diameter of the stainless steel needle 11 (the inner diameter is 0.5 mm), as shown in the cross-sectional view of FIG. . According to the above, which is shown in Fig. 2, the present invention uses the fluid passage 15 as a passage for injecting and sucking liquid, and the optical passage 17 serves as a passage for the optical fiber lead.

In addition, as shown in FIG. 3, the outermost ring of the needle 10 of the present invention is a stainless steel needle 11, and the inner ring is a stainless steel needle 12, and the stainless steel needle 12 is adhered to a part of the stainless steel needle 11 to make stainless steel. The center point of the needle 12 forms an eccentric structure whereby an eccentric structure forms a fluid passage 15 in a portion where the stainless steel needle 12 and the stainless steel needle 11 are not connected. Further, on the side where the stainless steel needle 11 and the stainless steel needle 11 are adhered, a through hole 130 penetrating the side of the stainless steel needle 12 and the stainless steel needle 11 is formed at an appropriate position, and the through hole 130 is used to allow the optical fiber lead 50 to enter. The place where the needle 10 is.

Please continue to refer to Figure 2 and Figure 3. As shown in FIG. 2, since the optical channel 17 is a channel for the fiber-optic wire, in order to prevent the body fluid of the human body from penetrating into the light channel 17, the medical staff may be contaminated by body fluid; therefore, in the preferred embodiment of the present invention, the light will be The channel 17 is filled with a high light guide 14 at an opening near one end of the needle tip 110 for closing the optical channel 17 near one end of the needle tip 110 to block body fluid from oozing through the light channel 17, and at the same time, by means of a high light guide The object 14 extends as a fiber optic lead 50 into the terminal end of the needle 10. In another preferred embodiment of the present invention, the light channel 17 may also be selected to be near the opening of the needle end 120, and the high light guide 14 is also used to close the end of the light channel 17 near the needle end 120, except The injection and suction liquid are prevented from penetrating into the optical channel 17, and when the optical fiber lead 50 is disposed in the needle 10, both ends can be used as a needle tip to facilitate assembly of the optical fiber lead 50. In the high light guide 14 of the present invention, an acrylic material of PMMA may be selected, but the invention is not limited thereto. On the side of the needle 10 near the end of the needle 120, a through hole 130 is formed through the optical passage 17, which allows the optical fiber lead 50 to pass, so that the optical fiber lead 50 can be disposed in the optical passage 17. In a preferred embodiment of the present invention, the high light guide 14 may be a transparent material. When the tip of the needle 10 enters the human body and the human body is used, the image light source locally organized around the needle 10 can be transmitted to the external camera. Imaging and display, in addition to improving the accuracy of the injection and suction position, it can also be used as a detection device to provide medical personnel with a more accurate determination of the position of the needle 10 to further accurately determine the injection and suction position. Sex.

Next, please refer to FIG. 4, which is a cross-sectional view of the needle holder of the present invention. As shown in FIG. 4, the hub 20 is composed of a head portion 21 having a through hole and a seat body 22 connected to the head portion 21, wherein the through hole of the head portion 21 is a path for connecting with the needle head 10, and A wedge frame 23 is formed in the seat body 22, and a wedge-shaped space 24 is formed in the wedge frame 23, and the wedge-shaped space 24 is an air-tight joint for the front end 34 of the hollow cylinder 30. Meanwhile, at the same time, the front end of the wedge frame 23 also has a through hole for allowing the needle to pass. Further, on the other open end of the hub 20 with respect to the head portion 21, a projecting circular rib ring 25 is formed to strengthen the structure of the hub 20. As shown in FIG. 4, a channel is disposed between the head 21 of the hub 20, the base 22 and the wedge frame 23, and the passage is for receiving the optical fiber lead 50 (the passage in FIG. 4 has been the optical fiber lead 50). Covered). In addition, as can be seen from FIG. 4, after the needle end 120 of the needle 10 is disposed to the through hole of the head 21, it further passes through the wedge frame 23 such that the needle end 120 of the needle 10 projects into the wedge-shaped space 24, In order to inject and pump liquid through the fluid channel 15.

Next, please refer to FIG. 5, which is a partial cross-sectional enlarged view of the needle holder of the present invention. As shown in FIG. 5, it is further disclosed that the needle end 120 of the needle 10 is fixed to the head 21 of the hub 20, and the optical fiber lead 50 enters the channel 17 through the through hole 130 in the needle 10, and the optical fiber lead After extending into the channel 17, the 50 is blocked by the high light guide 14 on the tip 110.

Next, please refer to FIG. 4 and FIG. 5. As can be seen from FIG. 4 and FIG. 5, when the needle 10 is fixed to the head 21 of the hub 20, the adhesive material can be selectively used to fill the needle 10 and the head 21 of the hub 20 in a dispensing manner. In addition, after the needle end 120 of the needle 10 passes through the through hole at the front end of the wedge frame 23, it is also possible to selectively fill the joint surface of the needle 10 and the front end of the wedge frame 23 with an adhesive material by means of an adhesive material. Furthermore, the optical fiber lead 50 enters the interface edge of the hub 20, and the adhesive material can be selectively filled with the adhesive material at the interface 73 by using an adhesive material; however, the adhesive material used is not limited in the present invention.

Next, a mode of fabricating the optical fiber injection and suction device of the present invention will be described. Please refer to FIG. 6 , which is a schematic enlarged perspective view of the needle hub of the present invention. As shown in FIG. 6, the present invention further designs a needle holder 20 on a conventional injection and suction device, and thereby uses the needle The seat 20 covers the needle of a conventional injection and aspiration device. Further, the circular needle holder 20 of the present invention can be integrally formed by using two symmetrical semicircular molds, and the head portion 21 having the through hole, the seat body 22, and the circular rib ring 25 are integrally formed, and then, The two semicircular hubs 20 can be combined into a circular hub 20 by a predetermined joint 80 on the semicircular hub 20, and a wedge shaped space 24 is formed in the body 22. Further, as shown in Fig. 6, when the semicircular needle hub 20 is completed, a configuration passage of the optical fiber lead 50 is formed on the head portion 21, the seat body 22, and the circular rib ring 25. Therefore, the present invention can selectively extend one end of the optical fiber lead 50 into the optical channel 17 through the through hole 130 in the needle 10. Then, after the needle 10 and the base 22 are locked, the optical fiber lead 50 can be pressed to In the channel (as shown by the fiber optic wire 50 in FIG. 6 and at the channel), finally, the needle of the present invention can be completed by integrating the other half of the semicircular hub 20 by a predetermined joint 80. Block 20. At this time, it is possible to selectively fill the bonding surface 71 of the needle 10 and the head 21 of the hub 20 with the adhesive material in a dispensing manner, and at the interface edge of the optical fiber lead 50 entering the needle holder 20, using The adhesive material fills the adhesive material 73 at the interface in a dispensing manner. It is apparent that the fiber optic lead 50 has one end exposed to the outside of the hub and, on the exposed terminal, connected to an optical connector 60. Further, according to the above description, the needle holder of the present invention may be selected from a polymer material such as a P.P. material or a styrene-divinylbenzene material.

When the needle 10 of the optical fiber injection and suction device of the present invention is disposed with the hub 20 and the optical fiber lead 50, the front end 34 of the hollow syringe 30 can be inserted into the wedge-shaped space 24 to form a hermetic joint, and the piston is pushed. The rod 40 is airtightly disposed in the hollow accommodation space 32 of the hollow cylinder 30, as shown in FIG. Then, when the laser connector 60 exposed to the outside of the hub is connected to a laser source, the source of the laser light can be transmitted to the needle tip 110 of the needle 10 via the fiber optic lead 50, and the laser light can be passed through. The light guide 14 allows the laser light to be emitted from the needle tip 110. As shown in FIG. 7, the optical fiber injection and suction device of the present invention Schematic diagram when using. When the medical staff wants to perform an injection and aspiration action on the patient, the needle 10 of the present invention can be inserted into the human skin 2, and the medical staff can help the medical staff by the laser spot illuminated by the needle tip 110 on the needle 10. The depth position of the needle tip 110 in the subcutaneous tissue is observed from the outside or the local image around the needle tip 110 is observed from the outside, and the risk of erroneous sticking during injection and aspiration by the medical staff can be reduced.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The above description should be understood and implemented by those skilled in the relevant art, so that the other embodiments are not disclosed. Equivalent changes or modifications made under the spirit shall be included in the scope of the patent application.

1‧‧‧Fiber injection and suction device

10‧‧‧ needle

20‧‧‧ needle seat

30‧‧‧ hollow syringe

32‧‧‧ accommodating space

34‧‧‧ hollow syringe front end

40‧‧‧Put

50‧‧‧Fiber Optic Wire

60‧‧‧ optical connectors

Claims (9)

A needle structure on an injection and suction device, comprising: a first stainless steel needle having a first hollow inner diameter; a second stainless steel needle having a second hollow inner diameter and disposed on the first of the first stainless steel needle In the hollow inner diameter; wherein the first stainless steel needle is adhered to a part of the second stainless steel needle, the center point of the second stainless steel needle forms an eccentric structure, and the eccentric structure is used in the first A stainless steel needle forms a passage with a portion of the second stainless steel needle that is not connected. The needle structure of claim 1, further comprising a high light guiding material on an end of the second stainless steel needle adjacent to a tip. A needle holder structure for arranging an optical fiber lead on an injection and suction device, comprising: a head having a through hole; and a body connected to the head having the through hole, the base having a wedge-shaped space And the wedge-shaped space is in communication with the through hole of the head; a needle having a tip and a needle end opposite to the tip, wherein the tail end is disposed in the through hole and exposed to the wedge space, and the needle One side is formed with a uniform perforation; and a fiber optic wire is disposed in the head and the body, and the other portion is exposed outside the body, and a terminal and an optical connector of the exposed fiber lead are exposed Connected, and the fiber optic conductor disposed at the other end of the head enters the needle through the through hole. The needle seat structure of claim 3, further comprising a circular rib ring connected to the seat body. The needle seat structure according to claim 3, wherein the needle seat is made of a polymer material. The needle holder structure of claim 3, wherein the fiber lead material is made of a plastic material. An optical fiber injection and suction device includes: a needle seat structure configured with a fiber optic wire; a hollow needle barrel having a front end and an accommodating space, the front end being in communication with the accommodating space; and a piston push rod The airtight arrangement is disposed in the accommodating space of the hollow cylinder, wherein the needle seat structure further comprises: a head having a through hole; and a body connected to the head having the through hole, The seat body has a wedge-shaped space, and the wedge-shaped space communicates with the through hole of the head, and the wedge-shaped space is air-tightly connected to a front end of the hollow cylinder; and a needle has a tip and a relative a needle end of the needle tip, wherein the tail end of the needle is disposed in the through hole and exposed to the wedge space, and the needle is adjacent to the head to form a consistent perforation; wherein a portion of the optical fiber lead is disposed in the seat The other portion is exposed to the outside of the housing, and a terminal of the exposed optical fiber lead is connected to an optical connector, and the other end of the optical fiber lead disposed in the housing enters the needle through the through hole. . The fiber injection and suction device of claim 7, wherein the needle is composed of a first stainless steel needle and a second stainless steel needle, the first stainless steel needle having a a first hollow inner diameter, the second stainless steel needle being disposed in the first hollow inner diameter of the first stainless steel needle. The fiber injection and suction device of claim 7, further comprising a high light guiding material on an end of the second stainless steel needle adjacent to the needle tip.