CN110193133B - Bladder medicine injection device - Google Patents
Bladder medicine injection device Download PDFInfo
- Publication number
- CN110193133B CN110193133B CN201910439477.2A CN201910439477A CN110193133B CN 110193133 B CN110193133 B CN 110193133B CN 201910439477 A CN201910439477 A CN 201910439477A CN 110193133 B CN110193133 B CN 110193133B
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- needle
- injection
- bag body
- air bag
- bladder
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a bladder medicine injection device and an injection operation method thereof, wherein the bladder medicine injection device comprises an air bag body, the volume of the air bag body is satisfied that the air bag body can enter a bladder through a ureter in an uninflated state, and the shape of the air bag body is matched with the shape and the size of an inner cavity of the bladder in an inflated state; the air bag body is connected with an air inlet pipe and an air outlet pipe; the air bag body is connected with a needle inlet channel for the needle unit to enter the air bag body, at least one injection point is arranged on the inner wall of the air bag body, a traction rope is fixedly connected between the periphery of the injection point and the inlet of the air bag body, and the needle point of the needle unit is positioned at the adjacent inner side of a gap of the injection point and is aligned with the injection point when the air bag body is in an uninflated state. By implementing the invention, the bladder injection part is not required to be observed and re-injected accurately through a cavity mirror, the injection operation difficulty is simplified, and the injection part is accurate and reliable.
Description
Technical Field
The invention relates to a medical drug instrument and a using method thereof, in particular to a bladder drug injection device and an injection operation method thereof.
Background
In the prior art, the medicine injection to the inner wall tissue of the bladder is generally performed under a cystoscope by using a bladder injection needle, and on one hand, the operation is very fine, and the operation requirement is relatively high; on the other hand, the operation field is narrower, the operation space is limited, and due to the limitation of the space, the breathing motion of a patient and the shake of the hand of an operator, the accurate injection of the tissue on the inner wall of the bladder is difficult to realize in a narrow endoscope field. Therefore, there is a need for improvements.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide the bladder medicament injection device and the injection operation method thereof, which do not need to precisely observe and re-inject the bladder injection part through a cavity mirror, simplify the injection operation difficulty and ensure the precise injection part.
In order to achieve the above object, the present invention provides a bladder medicament injection apparatus, which is characterized by comprising:
the air sac body has a volume which can enter the bladder through the ureter in an uninflated state, and the shape of the air sac body is matched with the shape and the size of the bladder cavity in an inflated state;
the air bag body is connected with an air inlet pipe and an air outlet pipe;
also comprises an injection needle unit, the injection needle unit comprises a needle tube, a needle seat used for installing the needle tube and a liquid supply tube connected with the needle seat,
the air bag body is connected with a needle inlet channel for the injection needle unit to enter the air bag body,
the inner wall of the air bag body is provided with at least one injection point, a haulage rope with a margin length is fixedly connected between the periphery of the injection point and the inlet of the air bag body through a needle inlet channel, a needle seat of the injection needle unit is fixedly connected at one end of the haulage rope corresponding to the injection point, a liquid supply pipe of the injection needle unit is arranged in the needle inlet channel and freely enters and exits, and a needle point of the injection needle unit is positioned at the adjacent inner side of a gap of the injection point and is aligned with the injection point in an uninflated state of the air bag body.
It is further provided that the traction rope has micro elasticity, i.e. the elasticity of the traction rope is smaller than the elasticity of the air bag body.
The injection points and the injection needle units are arranged in a one-to-one correspondence manner, and liquid supply pipes of the injection needle units are led in and led out from the needle inlet channels side by side.
The air inlet and outlet pipe and the needle inlet channel are arranged in parallel, and are integrally arranged in a comprehensive pipe which is connected to the air sac body and has a cross section area meeting the requirement of passing in and out of the ureter.
The side wall of the needle seat is further provided with a longitudinal side groove and a transverse groove transversely intersected with the longitudinal side groove, and one end of the haulage rope corresponding to the injection point is embedded on the longitudinal side groove and fixed on the needle seat through a binding belt arranged on the transverse groove.
In addition, the invention also provides an injection operation method based on the bladder medicament injection device, which comprises the following steps:
(1) Moving the air sac body in an uninflated state into the bladder through the ureter, and placing the air inlet and outlet pipe and the needle inlet channel into the ureter;
(2) The air bag body is inflated through the air inlet pipe and the air outlet pipe, in the inflation process, the traction rope is stretched along with the gradual expansion of the air bag body, and the corresponding liquid supply pipe is pulled into the air bag body through the traction needle seat until the air bag body is inflated to be close to the inner wall of the bladder, and the inflation is stopped, so that an injection point on the air bag body is the injection position of the inner wall of the bladder to be injected;
(3) The air sac body is deflated slightly, so that the air sac body is contracted, the needle tube moves slower than the deflation of the air sac body under the contraction of the air sac body, and the needle tip pierces the air sac body and penetrates out of the injection point to pierce into the injection position of the inner wall of the bladder;
(4) Performing infusion operation on the liquid supply tube, thereby injecting the medicine onto the inner wall of the bladder;
(5) After the injection is finished, the needle tube is pulled out from the inner wall of the bladder by pulling the liquid supply tube outwards, and is synchronously deflated, and the needle tube is retracted to an initial uninflated state;
(6) And after the air sac body is completely deflated, the air sac body is taken out from the ureter.
By implementing the technical scheme, the method has the following technical effects:
(1) The shape of the air bag body is matched with the shape and the size of the inner cavity of the bladder in the inflated state, so that the injection position of the inner wall of the bladder can be accurately determined correspondingly only by determining the injection position on the air bag body;
(2) The operation is simple and convenient, the operation of the injection needle is not required to be carried out under the cystoscope, and the operation difficulty is small.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that it is within the scope of the invention to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a schematic view of the device of the present invention in a fully inflated state;
FIG. 2 is a schematic view of the present invention in a deflated state after full inflation;
FIG. 3 is a schematic illustration of the connection of the needle cannula and hub of the present invention with a leash;
FIG. 4 is an enlarged sectional view of the structure of the integrated tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1-4, in an embodiment of the present invention, the method includes:
the air sac body 1, the volume of the air sac body 1 in an uninflated state is satisfied that the air sac body can enter the bladder through the ureter, and the shape of the air sac body 1 in an inflated state is matched with the shape and the size of the inner cavity of the bladder;
the air bag body 1 is connected with an air inlet and outlet pipe 2, and the air inlet and outlet pipe 2 is connected with the air bag body 1 in a detachable plug-in connection mode or an integral connection mode in the embodiment.
In addition, there is also included an injection needle unit 3, and the injection needle unit 3 includes a needle tube 31, a needle holder 32 for mounting the needle tube, and a liquid supply tube 33 connected to the needle holder. The size of the bladder needle can be regulated by the injection needle unit 3, the air bag body 1 is connected with a needle inlet channel 4 for the injection needle unit 3 to enter the air bag body 1, at least one injection point 11 is arranged on the inner wall of the air bag body 1, a haulage rope 5 with a margin length is fixedly connected between the periphery of the injection point 11 and the needle inlet channel 4 of the air bag body 1, a needle seat 32 of the injection needle unit 3 is fixedly connected with one end of the haulage rope 5 corresponding to the injection point 11, a liquid supply tube 33 of the injection needle unit 3 is arranged in the needle inlet channel 4 and is freely arranged in and out, a needle point 34 of the injection needle unit 3 in an uninflated state of the air bag body 1 is positioned at the inner side of the clearance of the injection point and is aligned with the injection point 11, the haulage rope in the embodiment is a rubber rope with a small elasticity coefficient (micro elasticity, namely the elasticity of the haulage rope is smaller than that of the air bag body), the elasticity extension length of the rubber rope forms the margin length, and the haulage rope can also adopt a medical flexible string. The traction rope has the function that when the air bag body is inflated and expanded, the liquid supply pipe of the injection needle unit 3 can be pulled out from the needle inlet channel 4 and moves along with the air bag body, so that the liquid supply pipe and the needle seat are ensured to be in liquid supply connection.
Preferably, the injection points 11 and the injection needle units 3 are plural and are arranged in one-to-one correspondence, and the liquid supply pipes 33 of the plural injection needle units 3 are all parallel in and out from the needle inlet channel 4.
In addition, the air inlet and outlet pipe 2 and the needle inlet channel 4 are arranged in parallel, and are integrally arranged in a comprehensive pipe 6 which is connected to the air sac body 1 and has a cross section area which meets the requirement of passing in and out of the ureter.
In addition, the side wall of the needle holder 32 in this embodiment is provided with a longitudinal side groove 321 and a transverse groove 322 intersecting the longitudinal side groove transversely, and one end of the pulling rope 5 corresponding to the injection point 11 is embedded in the longitudinal side groove 321 and is fixed on the needle holder by a binding belt (not shown in the figure) arranged in the transverse groove 322. In addition, the end surface of the needle seat connected with the needle tube 31 is provided with a shoulder surface, so that when the needle tube pierces the air sac body to penetrate and pierce the inner wall of the bladder, the piercing depth of the needle tube can be limited, and the safety is improved. In addition, the needle tube 31 pierces the air bag body to pass through, the inner wall of the air bag body 1 wraps the outer wall of the needle tube, and the needle tube and the air bag body are matched in a sealing way.
The method for implementing the injection operation of the bladder medicament injection device comprises the following steps:
(1) The balloon body 1 in an uninflated state is moved into the bladder through the ureter, and the air inlet and outlet pipe 2 and the needle inlet channel 4 are arranged in the ureter; before the injection operation, determining the injection to be performed on the inner wall of the bladder by using detection techniques such as medical CT, X-ray film or endoscope, and the like, and marking the injection point 11 on the air sac body according to the injection to determine the injection to be performed on the inner wall of the bladder, wherein the detection techniques are conventional methods in medicine, and the embodiment is not repeated in detail;
(2) The air bag body 1 is inflated through the air inlet pipe and the air outlet pipe 2, in the inflation process, the traction rope 5 is stretched along with the gradual expansion of the air bag body 1, and the corresponding liquid supply pipe 33 is pulled into the air bag body 1 through the traction needle seat 32 until the air bag body 1 is inflated to be close to the inner wall of the bladder, and the inflation is stopped, wherein the injection point on the air bag body 1 is the injection position of the inner wall of the bladder to be injected;
(3) The air sac body 1 is deflated slightly, so that the air sac body 1 is contracted, the needle tube moves slower than the deflation of the air sac body under the contraction of the air sac body, and the needle point pierces the air sac body and penetrates out of the injection point to pierce into the injection position of the inner wall of the bladder; the air release amount is set so that the diameter reduction amount of the air sac body 1 corresponding to the injection point position is matched with the length of the needle tube 31, and therefore the needle tube can directly puncture the air sac body 1 and penetrate into the inner wall of the bladder; during the deflation process, the air sac body 1 is quickly contracted, and the corresponding needle tube is slowly contracted under the support of the liquid supply tube, so that the air sac body 1 is punctured by the needle point, and the needle point is inserted into the inner wall of the bladder;
(4) Performing infusion operation on the liquid supply tube, thereby injecting the medicine onto the inner wall of the bladder;
(5) After the injection is completed, the needle tube 31 is pulled out from the inner wall of the bladder by pulling the liquid supply tube 33 outwards,
synchronously deflating, and returning the needle tube to an initial uninflated state;
(6) And after the air bag body 1 is completely deflated, the air bag body 1 is taken out from the ureter.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (5)
1. A bladder medication injection device, comprising:
the air sac body has a volume which can enter the bladder through the ureter in an uninflated state, and has a shape which is matched with the shape and the size of the bladder cavity in an inflated state;
the air bag body is connected with an air inlet pipe and an air outlet pipe;
also comprises an injection needle unit, the injection needle unit comprises a needle tube, a needle seat used for installing the needle tube and a liquid supply tube connected with the needle seat,
the air bag body is connected with a needle inlet channel for the injection needle unit to enter the air bag body,
the inner wall of the air bag body is provided with at least one injection point, a haulage rope with a margin length is fixedly connected between the periphery of the injection point and the inlet of the air bag body through a needle inlet channel, a needle seat of the injection needle unit is fixedly connected at one end of the haulage rope corresponding to the injection point, a liquid supply pipe of the injection needle unit is arranged in the needle inlet channel and freely enters and exits, and a needle point of the injection needle unit is positioned at the adjacent inner side of a gap of the injection point and is aligned with the injection point in an uninflated state of the air bag body.
2. A bladder medication injection device according to claim 1, wherein: the traction rope has micro elasticity, namely the elasticity of the traction rope is smaller than that of the air bag body.
3. A bladder medication injection device according to claim 1, wherein: the injection points and the injection needle units are multiple and are arranged in a one-to-one correspondence manner, and liquid supply pipes of the injection needle units are in and out of the needle inlet channel side by side.
4. A bladder medication injection device according to claim 1, wherein: the air inlet and outlet pipe and the needle inlet channel are arranged in parallel, and are integrally arranged in a comprehensive pipe which is connected to the air sac body and has a cross section area meeting the requirement of passing in and out of the ureter.
5. A bladder medication injection device according to claim 1, wherein: the side wall of the needle seat is provided with a longitudinal side groove and a transverse groove transversely intersected with the longitudinal side groove, and one end of the haulage rope corresponding to the injection point is embedded on the longitudinal side groove and fixed on the needle seat through a binding belt arranged in the transverse groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439477.2A CN110193133B (en) | 2019-05-24 | 2019-05-24 | Bladder medicine injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439477.2A CN110193133B (en) | 2019-05-24 | 2019-05-24 | Bladder medicine injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110193133A CN110193133A (en) | 2019-09-03 |
| CN110193133B true CN110193133B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439477.2A Active CN110193133B (en) | 2019-05-24 | 2019-05-24 | Bladder medicine injection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110193133B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638246B1 (en) * | 2000-11-28 | 2003-10-28 | Scimed Life Systems, Inc. | Medical device for delivery of a biologically active material to a lumen |
| CN103876724A (en) * | 2014-04-04 | 2014-06-25 | 郑州大学第一附属医院 | Detrusor-sphincter synchronous piezometer tube fixed by double air sacs and used for urodynamics examination |
| CN104884118A (en) * | 2012-10-29 | 2015-09-02 | 阿布拉蒂韦解决方案公司 | Peri-vascular tissue ablation catheter with support structures |
| CN205964679U (en) * | 2016-07-11 | 2017-02-22 | 吉林大学 | Device is kept somewhere in nasal sinus drainage |
| CN207221108U (en) * | 2016-12-23 | 2018-04-13 | 郑州市中医院 | bladder heat perfusion circulation conduit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1478428T3 (en) * | 2002-02-04 | 2009-09-14 | Becton Dickinson Co | Device and method for delivering or withdrawing a substance through the skin |
| US10589070B2 (en) * | 2010-12-16 | 2020-03-17 | Boston Scientific Scimed, Inc. | Micro-needle bladder balloon |
| US20160346520A1 (en) * | 2015-05-28 | 2016-12-01 | Dan B. French | Medical Instrument for Injecting an Agent |
-
2019
- 2019-05-24 CN CN201910439477.2A patent/CN110193133B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638246B1 (en) * | 2000-11-28 | 2003-10-28 | Scimed Life Systems, Inc. | Medical device for delivery of a biologically active material to a lumen |
| CN104884118A (en) * | 2012-10-29 | 2015-09-02 | 阿布拉蒂韦解决方案公司 | Peri-vascular tissue ablation catheter with support structures |
| CN103876724A (en) * | 2014-04-04 | 2014-06-25 | 郑州大学第一附属医院 | Detrusor-sphincter synchronous piezometer tube fixed by double air sacs and used for urodynamics examination |
| CN205964679U (en) * | 2016-07-11 | 2017-02-22 | 吉林大学 | Device is kept somewhere in nasal sinus drainage |
| CN207221108U (en) * | 2016-12-23 | 2018-04-13 | 郑州市中医院 | bladder heat perfusion circulation conduit |
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| Publication number | Publication date |
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| CN110193133A (en) | 2019-09-03 |
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