Puncture needle fixer of imbedded drug delivery device

Abstract

The utility model discloses a puncture needle fixer for an embedded administration device, and belongs to the technical field of medical equipment, the puncture needle fixer comprises a fixer I and a fixer II, semicircular holes are formed in the inner sides of the fixer I and the fixer II, a slot is formed in the side wall of the fixer I, an insertion block is fixedly assembled on the side wall of the fixer II, and the insertion block is fixedly assembled on the side wall of the fixer II. A through hole is formed in the top of the inserting block in a penetrating mode, a protective cover is fixedly assembled on the top of the first fixator, and an inserting rod is slidably connected to the inner wall of the protective cover. The two semicircular holes are attached to each other to form the center hole, so that the center point of an infusion port can be accurately found through the center hole, the puncture failure rate can be reduced conveniently, and the problem that when an existing Port tube is used for puncturing, due to the fact that an infusion port injection base is not well fixed, and the infusion port puncturing center point is not accurately found, puncture failure is likely to happen is solved; meanwhile, the problems that the psychological pressure of nurses is increased, the puncture failure rate is increased, and the discomfort of patients is increased are solved.

Description

Technical Field

[0001] The present application relates to the technical field of medical equipment, and in particular to a puncture needle holder for an implantable medication device. Background Art

[0002] When patients need to infuse some drugs that are irritating to blood vessels, such as cancer patients who need chemotherapy, and need to wear various catheters to infuse chemotherapy drugs during chemotherapy, patients can choose to have an infusion port (PORT tube).

[0003] The existing Port tube has no good fixed infusion port injection seat, and the infusion port injection center point cannot be accurately found, which easily leads to puncture failure, increases the psychological pressure of nurses, and further increases the puncture failure rate, thereby increasing the patient's discomfort. Therefore, this application proposes a puncture needle holder for an implantable drug delivery device to solve the above problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present application provides a puncture needle holder for an implantable drug delivery device, which overcomes the deficiencies of the prior art and aims to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a puncture needle holder for an implantable drug delivery device, comprising a holder one and a holder two, wherein the inner sides of the holder one and the holder two are both provided with semicircular holes, the side walls of the holder one are provided with slots, the side walls of the holder two are fixedly equipped with an insertion block, the top of the insertion block is penetrated by a through hole, the top of the holder one is fixedly equipped with a protective cover, the inner wall of the protective cover is slidably connected with an insertion rod, the outer edge of the insertion rod is slidably connected with a gasket one, the outer edge of the insertion rod is slidably sleeved with a spring, the outer edge of the insertion rod is fixedly equipped with a gasket two, and the tops of the holder one and the holder two are both provided with orientation numbers.

[0006] As a preferred technical solution of the present application, the fixer 1 and the fixer 2 are rotatably connected via a hinge, the inner sides of the fixer 1 and the fixer 2 fit together, and the two semicircular holes of the fixer 1 and the fixer 2 fit together to form a center hole.

[0007] By adopting the above technical solution, after the insert block is separated from the inner wall position of the slot, the first and second fixers can be rotated apart by the hinge, so that the first and second fixers are removed from the outer position of the puncture needle, and the center point of the infusion port can be accurately found by using the center hole, which is convenient for reducing the puncture failure rate.

[0008] As a preferred technical solution of the present application, the plug-in block is plugged into the inner wall of the slot, and the size of the plug-in block is matched with the size of the inner wall of the slot.

[0009] By adopting the above technical solution, after the insert block is inserted into the inner wall position of the slot, the insert block can be stably positioned at the inner wall position of the slot by the insert rod, thereby fixing the first and second fixers away from the hinge side.

[0010] As a preferred technical solution of the present application, the insertion rod passes through the through hole at the top of the protective cover to the inner wall position of the fixer, and the insertion rod is slidably connected to the inner wall position of the through hole, and the inner wall diameter of the through hole is adapted to the outer edge diameter of the insertion rod.

[0011] By adopting the above technical solution, the insertion rod can be used to slide to the inner wall position of the inner wall through hole of the insertion block, thereby positioning the insertion block and ensuring that it will not arbitrarily separate from the inner wall position of the slot, thereby ensuring that the first and second fixers will not arbitrarily separate.

[0012] As a preferred technical solution of the present application, the spring is arranged between gasket 1 and gasket 2, and the gasket 1, spring and gasket 2 are all arranged in the inner cavity of the protective cover.

[0013] By adopting the above technical solution, gasket one and gasket two can be used to limit the spring, ensuring that the two ends of the spring will not be stuck between the inner wall of the fixer one and the protective cover. At the same time, the protective cover can be used to protect gasket one, the spring and gasket two, ensuring that they will not be exposed to the outside and the hands of the staff will not come into contact with them.

[0014] As a preferred technical solution of the present application, a pull plate is fixedly installed on the top of the insertion rod, and the number of orientations is set to four, which are the numbers 3, 6, 9 and 12 o'clock, and the four orientations are symmetrically arranged in a ring on the top of the circular plate after the combination of the fixer one and the fixer two.

[0015] By adopting the above technical solution, it is convenient for the user to pull the insertion rod upward to realize the opening and closing of the first and second fixers.

[0016] Beneficial effects of this application:

[0017] 1. The center hole is formed by combining two semicircular holes, so that the center point of the infusion port can be accurately found by using the center hole, which is convenient for reducing the puncture failure rate, thereby avoiding the problem of puncture failure that occurs easily when the existing Port tube is pierced because there is no good fixed infusion port injection seat and the center point of the infusion port cannot be accurately found. At the same time, it solves the problems of increasing the psychological pressure of nurses, increasing the puncture failure rate, and increasing the discomfort of patients.

[0018] 2. Pull the pull plate to move the insertion rod upward until the bottom end of the insertion rod is separated from the inner wall position of the insertion block, and then open the retainer 1 and the retainer 2 to separate the insertion block from the inner wall position of the slot, so that the retainer 1 and the retainer 2 can be removed from the outer position of the puncture needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of this application;

[0020] Figure 2 This is a schematic diagram of a partial expanded structure of this application;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of this application;

[0022] Figure 4 For this application Figure 3 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1. Fixer 1; 2. Fixer 2; 3. Hinge; 4. Semicircular hole; 5. Slot; 6. Insert block; 7. Through hole; 8. Protective cover; 9. Insert rod; 10. Pull plate; 11. Gasket 1; 12. Spring; 13. Gasket 2; 14. Number of orientations. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] Reference Figure 1-4 A puncture needle holder for an implantable drug delivery device comprises a holder 1 and a holder 2, wherein the inner sides of the holder 1 and the holder 2 are both provided with a semicircular hole 4, the side wall of the holder 1 is provided with a slot 5, the side wall of the holder 2 is fixedly provided with an insert block 6, the top of the insert block 6 is penetrated with a through hole 7, the top of the holder 1 is fixedly provided with a protective cover 8, the inner wall of the protective cover 8 is slidably connected with an insert rod 9, the outer edge of the insert rod 9 is slidably connected with a gasket 11, the outer edge of the insert rod 9 is slidably sleeved with a spring 12, the outer edge of the insert rod 9 is fixedly provided with a gasket 2 13, and the tops of the holder 1 and the holder 2 are both provided with an orientation number 14.

[0026] Reference Figure 1 and Figure 2The fixer 1 and the fixer 2 are rotatably connected by a hinge 3, the inner sides of the fixer 1 and the fixer 2 are fitted together, and the two semicircular holes 4 of the fixer 1 and the fixer 2 are combined to form a center hole, so that after the plug block 6 is separated from the inner wall position of the slot 5, the fixer 1 and the fixer 2 can be rotated apart by the hinge 3, thereby removing the fixer 1 and the fixer 2 from the outer position of the puncture needle, and the center point of the infusion port can be accurately found by using the center hole, which is convenient for reducing the puncture failure rate.

[0027] Reference Figure 2 The plug block 6 is inserted into the inner wall position of the slot 5, and the size of the plug block 6 is adapted to the inner wall size of the slot 5. By inserting the plug block 6 into the inner wall position of the slot 5, after the plug block 6 is inserted into the inner wall position of the slot 5, the plug block 6 can be stably positioned at the inner wall position of the slot 5 by the insertion rod 9, thereby fixing the fixer 1 and the fixer 2 2 away from the side of the hinge 3.

[0028] Reference Figure 2 and Figure 3 The insertion rod 9 passes through the through hole 7 through the top of the protective cover 8 to the inner wall position of the fixer 1, and the insertion rod 9 is slidably connected to the inner wall position of the through hole 7. The inner wall diameter of the through hole 7 is adapted to the outer edge diameter of the insertion rod 9. The insertion rod 9 is slidably connected to the inner wall position of the through hole 7, so that the insertion rod 9 can be used to slide to the inner wall position of the through hole 7 on the inner wall of the plug block 6, thereby positioning the plug block 6 to ensure that it will not arbitrarily separate from the inner wall position of the slot 5, thereby ensuring that the fixer 1 and the fixer 2 will not arbitrarily separate.

[0029] Reference Figure 3 and Figure 4 The spring 12 is arranged between the gasket 11 and the gasket 2 13. The gasket 11, the spring 12 and the gasket 2 13 are all arranged in the inner cavity of the protective cover 8, so that the gasket 11 and the gasket 2 13 can limit the spring 12, ensuring that the two ends of the spring 12 will not be stuck between the fixer 1 and the inner wall of the protective cover 8. At the same time, the protective cover 8 can protect the gasket 11, the spring 12 and the gasket 2 13, ensuring that they will not be exposed to the outside and the hands of the staff will not touch them.

[0030] Reference Figure 4 A pull plate 10 is fixedly installed on the top of the insertion rod 9, and the number of orientation numbers 14 is set to four, which are the numbers 3, 6, 9 and 12 o'clock, and the four orientation numbers 14 are symmetrically arranged in a ring on the top of the circular plate after the combination of the fixer 1 and the fixer 2, so that it is convenient for the user to pull the insertion rod 9 upward to realize the opening and closing of the fixer 1 and the fixer 2.

[0031] Working principle: When using the device, first place the device at the place of use, then take the puncture needle and use the center hole to puncture the patient's skin, and then use the center hole to accurately find the center point of the infusion port, which is convenient for reducing the puncture failure rate. After the puncture is completed, the pull plate 10 can be pulled to drive the insertion rod 9 to move upward until the bottom end of the insertion rod 9 is separated from the inner wall position of the insertion block 6, and then the fixer 1 and the fixer 2 2 can be opened to separate the insertion block 6 from the inner wall position of the slot 5, so that the fixer 1 and the fixer 2 2 can be removed from the outer position of the puncture needle. When it is necessary to combine the two semicircular holes 4 to form a center hole, the pull plate 10 can be pulled first to drive the insertion rod 9 to move upward until the bottom end of the insertion rod 9 is separated from the inner wall position of the slot 5, and then the insertion block 6 can be plugged into the inner wall position of the slot 5, and the pull plate 10 can be released at the same time, and the insertion rod 9 can be reset to the inner wall position of the through hole 7 on the inner wall of the insertion block 6 with the help of the action force of the spring 12, and the insertion block 6 is stably positioned at the inner wall position of the slot 5.

[0032] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A puncture needle holder for an implantable drug delivery device, comprising a holder 1 (1) and a holder 2 (2), characterized in that: The inner sides of the first and second fixers (1) are both provided with semicircular holes (4), the side walls of the first and second fixers (1) are provided with slots (5), the side walls of the second fixer (2) are fixedly provided with plug blocks (6), the top of the plug blocks (6) are penetrated with a through hole (7), the top of the first and second fixers (1) are fixedly provided with a protective cover (8), the inner wall of the protective cover (8) is slidably connected with a plug rod (9), the outer edge of the plug rod (9) is slidably connected with a gasket first (11), the outer edge of the plug rod (9) is slidably sleeved with a spring (12), the outer edge of the plug rod (9) is fixedly provided with a gasket second (13), and the tops of the first and second fixers (1) are both provided with orientation numbers (14).

2. The puncture needle holder of the implantable drug delivery device according to claim 1, characterized in that: The first fixer (1) and the second fixer (2) are rotatably connected via a hinge (3); the inner sides of the first fixer (1) and the second fixer (2) are in contact with each other; and the two semicircular holes (4) of the first fixer (1) and the second fixer (2) are combined to form a central hole.

3. The puncture needle holder of the implantable drug delivery device according to claim 1, characterized in that: The insert block (6) is inserted into the inner wall of the slot (5), and the size of the insert block (6) is compatible with the size of the inner wall of the slot (5).

4. The puncture needle holder of an implantable drug delivery device according to claim 1, characterized in that: The insertion rod (9) passes through the top of the protective cover (8) and penetrates the through hole (7) to the inner wall position of the fixer (1). The insertion rod (9) is slidably connected to the inner wall position of the through hole (7). The inner wall diameter of the through hole (7) is matched with the outer edge diameter of the insertion rod (9).

5. The puncture needle holder of an implantable drug delivery device according to claim 1, characterized in that: The spring (12) is arranged between gasket one (11) and gasket two (13); the gasket one (11), the spring (12) and the gasket two (13) are all arranged in the inner cavity of the protective cover (8).

6. The puncture needle holder of an implantable drug delivery device according to claim 1, characterized in that: A pull plate (10) is fixedly mounted on the top of the insertion rod (9), and the number of orientation numbers (14) is set to four, the four orientation numbers (14) are the numbers 3, 6, 9 and 12 o'clock, and the four orientation numbers (14) are symmetrically arranged in a ring shape on the top of the circular plate after the fixing device 1 (1) and the fixing device 2 (2) are combined.

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