CN214966382U

CN214966382U - Digestive endoscopy injection needle

Info

Publication number: CN214966382U
Application number: CN202120384790.3U
Authority: CN
Inventors: 张帅; 刘迎娣; 令狐恩强
Original assignee: First Medical Center of PLA General Hospital
Current assignee: First Medical Center of PLA General Hospital
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-12-03
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a digestive endoscopy injection needle, which relates to the technical field of medical instruments. The digestive endoscope injection needle comprises a first injector, a second injector, a three-way switch and an endoscope accessory. The endoscope accessory comprises a push-pull tube, a first injector and a second injector are connected with the push-pull tube through a three-way switch, the first injector is used for injecting a first medicament into the push-pull tube, and the second injector is used for injecting a second medicament into the push-pull tube. Compared with the prior art, the utility model provides a digestion scope syringe needle is owing to adopted first syringe and second syringe through three way switch and push-and-pull union coupling, so can avoid taking out medicine many times or change the syringe, shortens the injection time, improves injection efficiency, and labour saving and time saving, the security is high.

Description

Digestive endoscopy injection needle

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a digestive endoscopy syringe needle.

Background

At present, in clinical treatment of the digestive endoscopy, a common injection needle is adopted for medicament injection. At present, for the endoscopic treatment of portal hypertension and varicose veins at the fundus of the stomach, a sandwich method is recommended to be used for injecting a tissue adhesive, namely, hypertonic glucose is injected firstly, then the tissue adhesive is injected, and then the hypertonic glucose is injected, and in the process, the steps of drawing medicines or replacing an injector are required for many times. However, at the critical moment of acute variceal bleeding, the patient needs to compete for seconds and inject the medicine rapidly, and multiple times of medicine drawing or syringe replacement greatly increase the preparation time of medicine injection, which takes long time and has high risk.

In view of the above, it is important to design and manufacture a digestive endoscope injection needle with high injection efficiency, especially in the production of medical devices.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digestion scope syringe needle can avoid taking out the medicine many times or changing the syringe, shortens the injection time, improves injection efficiency, and labour saving and time saving, security are high.

The utility model is realized by adopting the following technical scheme.

The utility model provides a digestion scope syringe needle, includes first syringe, second syringe, three way switch and scope annex, and the scope annex is including pushing away the stay tube, and first syringe and second syringe all are connected with the stay tube through three way switch, and first syringe is used for injecting into first medicament in the stay tube, and the second syringe is used for injecting into the second medicament in the stay tube.

Optionally, the three-way switch comprises a three-way pipe, a first switch and a second switch, the first switch and the second switch are both mounted on the three-way pipe, and the three-way pipe is respectively connected with the first injector, the second injector and the push-pull pipe.

Optionally, the three-way pipe includes a first pipe, a second pipe and a third pipe that are communicated with each other, the first pipe is connected with the first injector, the second pipe is connected with the second injector, the third pipe is connected with the push-pull pipe, the first switch is installed on the first pipe, and the second switch is installed on the second pipe.

Optionally, the first conduit is arranged coaxially with the third conduit and the second conduit is arranged perpendicular to the first conduit.

Optionally, the first switch and the second switch are both ball valve switches.

Optionally, the endoscope accessory further comprises a handle, a joint and an injection member, the joint is slidably disposed in the handle, the push-pull tube extends into the handle and is connected with the injection member through the joint, and the push-pull tube is used for driving the injection member to displace relative to the handle.

Optionally, the push-pull tube comprises a tube body and a hand-held ring, the hand-held ring is sleeved outside the tube body and is fixedly connected with the tube body, the tube body extends into the handle and is connected with the joint, and the hand-held ring is used for being held by a doctor.

Optionally, the injection member comprises an injection tube and a needle, the injection tube having one end connected to the adapter and the other end connected to the needle.

Optionally, the endoscopic accessory further comprises an outer sheath fixedly mounted on the handle, and the injection member is disposed within the outer sheath and is displaceable relative to the outer sheath.

Optionally, the handle is triangular in cross-section.

The utility model provides a digestive endoscopy syringe needle has following beneficial effect:

the utility model provides a digestion scope syringe needle, scope annex are including push-and-pull tube, and first syringe and second syringe all are connected with the push-and-pull tube through three way switch, and first syringe is used for injecting into first medicament in to the push-and-pull tube, and the second syringe is used for injecting into the second medicament in to the push-and-pull tube. Compared with the prior art, the utility model provides a digestion scope syringe needle is owing to adopted first syringe and second syringe through three way switch and push-and-pull union coupling, so can avoid taking out medicine many times or change the syringe, shortens the injection time, improves injection efficiency, and labour saving and time saving, the security is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a digestive endoscope injection needle provided by an embodiment of the present invention in an unused state;

fig. 2 is a schematic structural view of a digestive endoscope injection needle provided by an embodiment of the present invention in a use state;

fig. 3 is a schematic structural view of an endoscope accessory in the digestive endoscope injection needle provided by the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a three-way switch in a digestive endoscope injection needle according to an embodiment of the present invention.

Icon: 100-digestive endoscope injection needle; 110-a first syringe; 120-a second syringe; 130-three-way switch; 131-a three-way pipe; 132-a first switch; 133-a second switch; 134-a first conduit; 135-a second conduit; 136-a third conduit; 140-endoscope attachment; 141-push-pull tube; 142-a handle; 143-linker; 144-an injection member; 145-outer sheath; 146-a tube body; 147-a hand-held ring; 148-injection inner tube; 149-needle head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1, an embodiment of the present invention provides a digestive endoscope injection needle 100 for injection with the assistance of a digestive endoscope (not shown). It can avoid taking out medicine many times or changing the syringe, shortens the injection time, improves injection efficiency, and labour saving and time saving, security is high.

Digestive endoscopic needle 100 comprises a first syringe 110, a second syringe 120, a three-way switch 130, and an endoscopic accessory 140. The first syringe 110 and the second syringe 120 are connected to an endoscope accessory 140 through a three-way switch 130, and the endoscope accessory 140 is configured to extend into a working channel (not shown) of the digestive endoscope. The first injector 110 is used to inject a first medicament into the endoscopic accessory 140 such that the endoscopic accessory 140 injects the first medicament into the patient. The second syringe 120 is used to inject a second medicament into the endoscopic accessory 140 such that the endoscopic accessory 140 injects the second medicament into the patient. The first injector 110 and the second injector 120 do not interfere with each other, and can inject different kinds of medicaments into a patient respectively, so that repeated medicine drawing or injector replacement is avoided, the injection time is shortened, and the injection efficiency is improved.

In this embodiment, the first agent is hypertonic glucose and the second agent is a tissue adhesive. In the process of performing endoscopic treatment on portal hypertension fundus varices, hypertonic glucose is preloaded in the first injector 110, tissue adhesive is extracted to the second injector 120 on site, the first injector 110 is firstly utilized to inject the hypertonic glucose into a patient body, then the second injector 120 is utilized to inject the tissue adhesive into the patient body, and then the first injector 110 is utilized to inject the hypertonic glucose into the patient body, so that the injection of the medicament can be quickly realized, the injection of the tissue adhesive is completed by utilizing a sandwich method, the phenomenon that the medicament is taken out for many times or the injector is replaced is avoided, the injection efficiency is high, and the safety is high.

Referring to fig. 2, the endoscope attachment 140 includes a push-pull tube 141, a handle 142, a joint 143, an injection member 144, and an outer sheath 145. The first injector 110 and the second injector 120 are both connected to the push-pull tube 141 through the three-way switch 130, the first injector 110 is used for injecting a first medicament into the push-pull tube 141, and the second injector 120 is used for injecting a second medicament into the push-pull tube 141. The joint 143 is slidably disposed in the handle 142, the push-pull tube 141 extends into the handle 142 and is connected to the injection member 144 through the joint 143, the push-pull tube 141 is configured to drive the injection member 144 to displace relative to the handle 142, the push-pull tube 141 is further configured to deliver a medicament into the injection member 144, and the injection member 144 is configured to penetrate into a patient and to achieve injection of the medicament. The outer sheath 145 is fixedly mounted on the handle 142, and the length of the outer sheath 145 is greater than the length of the working channel of the digestive endoscope, so as to facilitate the operation. The injection member 144 is disposed in the outer sheath 145, the outer sheath 145 is used for shielding and protecting the injection member 144 when the injection member 144 does not work, and the injection member 144 can be displaced relative to the outer sheath 145 under the driving of the push-pull tube 141 to extend out of the outer sheath 145, so that the injection function of the injection member 144 can be realized conveniently.

Referring to fig. 3, the push-pull tube 141 includes a tube body 146 and a hand ring 147. The hand ring 147 is sleeved outside the tube body 146 and is fixedly connected to the tube body 146, in this embodiment, the hand ring 147 and the tube body 146 are integrally formed to improve the connection strength. A tube body 146 extends into the handle 142 and is connected to the fitting 143, the tube body 146 communicating with the injection member 144 through the fitting 143 to facilitate delivery of the medicament into the injection member 144. The hand ring 147 is used for holding by the doctor for pushing and pulling. When the doctor pushes the tube body 146 into the handle 142 through the hand ring 147, the tube body 146 drives the injection member 144 to move through the joint 143, so that the injection member 144 extends out of the outer sheath 145; when the physician pulls the tube body 146 out of the handle 142 via the handle ring 147, the tube body 146 carries the injection member 144 via the joint 143 in a reverse direction, so that the injection member 144 is retracted into the outer sheath 145.

The injection member 144 includes an injection inner tube 148 and a needle 149. The inner tube 148 is connected at one end to the connector 143 and at the other end to a needle 149, the needle 149 being used to penetrate the patient. Under the pushing action of the first syringe 110 or the second syringe 120, the medicament in the tube body 146 enters the needle 149 through the injection inner tube 148, thereby realizing the injection function for the patient.

In this embodiment, the handle 142 has a triangular cross-section to facilitate the push-pull tube 141 to be pushed into the handle 142 or pulled out of the handle 142 while the handle 142 is fixed.

Referring to fig. 4, the three-way switch 130 includes a three-way pipe 131, a first switch 132 and a second switch 133. The first switch 132 and the second switch 133 are both installed on a three-way pipe 131, and the three-way pipe 131 is respectively connected with the first injector 110, the second injector 120 and the push-pull pipe 141 so as to realize the communication of the first injector 110, the second injector 120 and the push-pull pipe 141.

Notably, tee 131 includes a first conduit 134, a second conduit 135, and a third conduit 136 in communication with one another. The first tube 134 is connected to the first syringe 110, the second tube 135 is connected to the second syringe 120, and the third tube 136 is connected to the push-pull tube 141. The first switch 132 is installed on the first pipe 134, and the first switch 132 is used for conducting or disconnecting the first pipe 134. The second switch 133 is installed on the second pipe 135, and the second switch 133 is used for turning on or off the second pipe 135.

Specifically, the first pipe 134 is coaxially disposed with the third pipe 136, the second pipe 135 is disposed perpendicular to the first pipe 134, and the second pipe 135 is also disposed perpendicular to the third pipe 136, so as to facilitate the mounting or dismounting of the first and

second injectors

110 and 120.

In this embodiment, the first switch 132 and the second switch 133 are both ball switches to improve the stability of connection or disconnection. However, the present invention is not limited to this, and in other embodiments, the first switch 132 and the second switch 133 may be both gate valves or triangle valves, and the shapes of the first switch 132 and the second switch 133 are not particularly limited.

It should be noted that, when the digestive endoscope injection needle 100 is not used, the first switch 132 and the second switch 133 are both in the off state to avoid the wrong injection, and at this time, the push-pull tube 141 does not extend into the handle 142, the injection member 144 is disposed in the outer sheath 145, and the outer sheath 145 is used to prevent the needle 149 from being contaminated.

During the use process of the digestive endoscope injection needle 100, firstly, the outer tube sheath 145 extends into a working hole of the digestive endoscope; then, the first switch 132 is turned on, and hypertonic glucose is injected into the push-pull tube 141 and the injection member 144 by using the first injector 110; when the needle 149 is filled with hypertonic glucose, the sheath 145 is inserted into the gastroscopic biopsy channel; after the target fundoplication vein is determined, the second switch 133 is turned on, and the push-pull tube 141 is pushed into the handle 142, so that the injection member 144 extends out of the outer sheath 145, and the needle 149 penetrates into the varicose vein; then, the second injector 120 is used to inject the tissue adhesive into the push-pull tube 141 and the injection member 144; and then immediately injecting hypertonic glucose into the push-pull tube 141 and the injection piece 144 by using the first injector 110, so that the remaining tissue adhesive in the push-pull tube 141 and the injection piece 144 can be pushed to the varicose vein, thereby realizing rapid injection without drawing medicines or replacing the injector for multiple times, and being convenient and rapid and high in injection efficiency.

The embodiment of the utility model provides a digestion scope syringe needle 100, scope annex 140 are connected with push-and-pull tube 141 including push-and-pull tube 141, first syringe 110 and second syringe 120 all through three way switch 130, and first syringe 110 is used for injecting first medicament into push-and-pull tube 141, and second syringe 120 is used for injecting the second medicament into push-and-pull tube 141. Compared with the prior art, the utility model provides a digestion scope syringe needle 100 is owing to adopted the first syringe 110 and the second syringe 120 of being connected through three-way switch 130 and push-and-pull pipe 141, so can avoid taking out medicine many times or change the syringe, shortens the injection time, improves injection efficiency, and labour saving and time saving, security are high.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The digestive endoscope injection needle is characterized by comprising a first injector, a second injector, a three-way switch and an endoscope accessory, wherein the endoscope accessory comprises a push-pull tube, the first injector and the second injector are connected with the push-pull tube through the three-way switch, the first injector is used for injecting a first medicament into the push-pull tube, and the second injector is used for injecting a second medicament into the push-pull tube.

2. The endodigestion needle according to claim 1, wherein the three-way switch comprises a three-way pipe, a first switch and a second switch, the first switch and the second switch are both mounted on the three-way pipe, and the three-way pipe is connected to the first syringe, the second syringe and the push-pull tube, respectively.

3. The endodigestive injection needle according to claim 2, wherein the three-way pipe comprises a first pipe, a second pipe and a third pipe which are communicated with each other, the first pipe is connected to the first syringe, the second pipe is connected to the second syringe, the third pipe is connected to the push-pull tube, the first switch is mounted on the first pipe, and the second switch is mounted on the second pipe.

4. The endodigestive injection needle according to claim 3, wherein the first tube is coaxially arranged with the third tube, and the second tube is arranged perpendicular to the first tube.

5. The endodigestive injection needle according to claim 2, wherein the first switch and the second switch are both ball valve switches.

6. The digestive endoscope injection needle according to any one of claims 1 to 5, wherein the endoscope attachment further comprises a handle, a joint and an injection member, the joint is slidably disposed in the handle, the push-pull tube extends into the handle and is connected with the injection member through the joint, and the push-pull tube is used for driving the injection member to displace relative to the handle.

7. The digestive endoscope injection needle according to claim 6, wherein the push-pull tube comprises a tube body and a hand-held ring, the hand-held ring is sleeved outside the tube body and is fixedly connected with the tube body, the tube body extends into the handle and is connected with the joint, and the hand-held ring is used for being held by a doctor.

8. The endodigestive endoscope injection needle according to claim 6, wherein the injection member comprises an injection tube and a needle, and one end of the injection tube is connected to the joint and the other end thereof is connected to the needle.

9. The endoendoscope injection needle according to claim 6, wherein the endoscope attachment further comprises an outer sheath fixedly attached to the handle, and the injection member is disposed in the outer sheath and is displaceable relative to the outer sheath.

10. The endodigestive injection needle according to claim 6, wherein the handle has a triangular cross-section.