CN210750839U - Bladder medicine injection device - Google Patents
Bladder medicine injection device Download PDFInfo
- Publication number
- CN210750839U CN210750839U CN201920764692.5U CN201920764692U CN210750839U CN 210750839 U CN210750839 U CN 210750839U CN 201920764692 U CN201920764692 U CN 201920764692U CN 210750839 U CN210750839 U CN 210750839U
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- China
- Prior art keywords
- needle
- injection
- bladder
- air bag
- bag body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a bladder medicine injection device, including: the volume of the air sac body in an uninflated state can enter the bladder through the ureter, and the shape of the air sac body is matched with the shape and size of the inner cavity of the bladder in an inflated state; the air bag body is connected with an air inlet and outlet pipe; 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, a needle feeding channel used for allowing the needle tube to enter the air bag body is connected to 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 needle feeding channel and between the inlet of the air bag body, and the air bag body is in an uninflated state. Implement the utility model discloses, need not to carry out the accurate re-injection of observing through the chamber mirror to bladder injection position, simplify the injection operation degree of difficulty, and the injection part is accurate reliable.
Description
Technical Field
The utility model relates to a medical drug apparatus and a using method thereof, in particular to a bladder drug injection device.
Background
In the prior art, the medicine injection to the inner wall tissue of the bladder is generally carried out by utilizing a bladder injection needle under a cystoscope, and on one hand, the operation action is very fine and the operation requirement is relatively high; on the other hand, the operation visual field is narrow, the operation space is limited, and due to the limitation of the space, the respiratory movement of a patient and the shaking of hands of an operator, accurate injection of the tissues on the inner wall of the bladder is difficult to realize in the narrow endoscopic visual field. Therefore, there is a need for improvement.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve lies in, provides a bladder medicine injection device and injection operation method thereof, and the device and method need not to carry out the accurate re-injection of observing through the chamber mirror to bladder injection position, simplify the injection operation degree of difficulty, and the injection part is accurate reliable.
In order to achieve the above object, the technical solution of the present invention is a bladder drug injection device, which is characterized by comprising:
the volume of the air sac body in an uninflated state can enter the bladder through the ureter, and the shape of the air sac body in an inflated state is matched with the shape and size of the inner cavity of the bladder;
the air bag body is connected with an air inlet and outlet pipe;
also comprises an injection needle unit which comprises a needle tube, a needle seat for installing the needle tube and a liquid supply tube connected with the needle seat,
the air sac body is connected with a needle inserting channel for the injection needle unit to enter the air sac body,
the inner wall of the air bag body is provided with at least one injection point, the periphery of the injection point and the needle inlet channel are fixedly connected with a traction rope with surplus length between the inlets of the air bag body, the needle seat of the injection needle unit is connected and fixed at one end of the traction rope corresponding to the injection point, the liquid supply pipe of the injection needle unit is arranged in the needle inlet channel and freely goes in and out, and the needle point of the injection needle unit is positioned at the gap adjacent inner side of the injection point and aligned with the injection point under the non-inflation state of the air bag body.
The traction rope is further provided with micro elasticity, namely the elasticity of the traction rope is smaller than that of the air bag body.
The injection points and the injection needle units are arranged in a one-to-one correspondence manner, and the liquid supply pipes of the injection needle units enter and exit from the needle inlet channel side by side.
The device is further provided with an air inlet and outlet pipe and a needle inserting channel which are arranged in parallel and are integrally arranged in a comprehensive pipe which is connected with the air sac body and has the sectional area meeting the requirement of passing in and out from the ureter.
The needle seat is further provided with a longitudinal side groove and a transverse groove transversely crossed with the longitudinal side groove on the side wall, and one end of the traction rope corresponding to the injection point is embedded on the longitudinal side groove and is fixed on the needle seat through a binding belt arranged in the transverse groove.
The implementation of the technical scheme has the following technical effects:
(1) by arranging the air bag body with the shape and the size matched with the shape and the size of the bladder inner cavity in the inflated state, the injection position of the bladder inner wall can be accurately determined correspondingly only by determining the position of the injection point on the air bag body;
(2) the operation is simple and convenient, the operation of injecting a needle under the cystoscope is not needed, and the operation difficulty is small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
FIG. 1 is a schematic view of the apparatus of the present invention in a fully inflated state;
FIG. 2 is a schematic view showing the deflation and shrinkage state of the utility model after complete inflation;
FIG. 3 is a schematic view showing the connection between the needle tube and the needle holder of the present invention and the pulling rope;
FIG. 4 is an enlarged sectional view of the structure of the integration pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, in the embodiment of the present invention, the following components are included:
the volume of the air sac body 1 in an uninflated state can be enabled to enter the bladder through the ureter, and the shape of the air sac body 1 is matched with the shape and the size of the inner cavity of the bladder in an inflated state;
be connected with into blast pipe 2 on the gasbag body 1, this embodiment is advanced blast pipe 2 and is adopted and to dismantle plug connection mode or integrative connection mode and be connected with the gasbag body 1.
In addition, an injection needle unit 3 is provided, 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 injection needle unit 3 can be in the size of a conventional bladder needle, the air sac body 1 is connected with a needle inlet channel 4 for the injection needle unit 3 to enter the air sac body 1, the inner wall of the air sac body 1 is provided with at least one injection point 11, a traction rope 5 with surplus length is fixedly connected between the periphery of the injection point 11 and the needle inlet channel 4 at an inlet 41 of the air sac body 1, a needle seat 32 of the injection needle unit 3 is fixedly connected with one end of the traction rope 5 corresponding to the injection point 11, a liquid supply pipe 33 of the injection needle unit 3 is arranged in the needle inlet channel 4 and freely goes in and out, a needle point 34 of the injection needle unit 3 is positioned at the gap adjacent inner side of the injection point and is aligned with the injection point 11 in an uninflated state of the air sac body 1, the traction rope is a rubber rope with a small elasticity coefficient (micro elasticity, namely the elasticity of the traction rope is smaller than that of, the length of the elastic extension of the elastic cord constitutes the residual length, but the pulling cord may be a medical flexible cord. The function of the traction rope is that when the air sac 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 together with the air sac body, so that the liquid supply pipe is ensured to be connected with the needle seat in a liquid supply manner.
Preferably, the injection points 11 and the injection needle units 3 are provided in a plurality and in one-to-one correspondence, and the liquid supply tubes 33 of the plurality of injection needle units 3 are all advanced and retracted from the needle insertion passage 4, so that simultaneous injection at a plurality of injection points is facilitated.
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 with the air sac body 1 and has the cross section area meeting the requirement of passing in and out of the ureter.
In addition, the side wall of the needle seat 32 according to this embodiment is provided with a longitudinal side groove 321 and a transverse groove 322 transversely intersecting with the longitudinal side groove, and one end of the pulling rope 5 corresponding to the injection point 11 is embedded in the longitudinal side groove 321 and fixed on the needle seat by a binding band (not shown in the figure) arranged in the transverse groove 322. In addition, the end face 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 out 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, in the process that the needle tube 31 punctures the air sac body and penetrates through the air sac body, the inner wall of the air sac body 1 wraps the outer wall of the needle tube, and the needle tube and the air sac body are in sealing fit.
The injection operation method implemented by the bladder medicine injection device comprises the following steps of:
(1) the air sac body 1 in an uninflated state is moved into a bladder through a ureter, and an air inlet and outlet pipe 2 and an needle inlet channel 4 are arranged in the ureter; before injection operation, the positions of the bladder inner wall to be injected are determined by medical CT or X-ray film or endoscope detection technologies, and the injection points 11 on the air bag body are marked according to the positions, wherein the detection technologies are all conventional medical methods and are not described in detail in the embodiment;
(2) the air bag body 1 is inflated through the air inlet and outlet pipe 2, in the inflation process, along with the gradual expansion of the air bag body 1, the traction rope 5 is stretched and pulls the corresponding liquid supply pipe 33 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, the inflation is stopped, and 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 in a small amount, so that the air sac body 1 is shrunk, the needle tube moves slower than the deflated shrink of the air sac body under the shrink of the air sac body, and the needle tip pierces the air sac body, penetrates out of an injection point and penetrates into an injection position on the inner wall of the bladder; the deflation amount is set so that the diameter reduction amount of the air bag body 1 corresponding to the position of the injection point is matched with the length of the needle tube 31, so that the needle tube can directly puncture the air bag body 1 and penetrate into the inner wall of the bladder; in the deflation process, the air sac body 1 contracts rapidly, and the corresponding needle tube contracts slowly 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 an 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 31 is pulled out from the inner wall of the bladder by pulling the liquid supply tube 33 outwards, and the synchronous deflation is carried out, so that the needle tube is withdrawn to the initial non-inflated state;
(6) and after the air sac body 1 is deflated, taking out the air sac body 1 from the ureter.
The above disclosure is only for the purpose of illustrating the preferred embodiments 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 drug injection device, comprising:
the volume of the air sac body in an uninflated state can enter the bladder through the ureter, and the shape of the air sac body is matched with the shape and size of the inner cavity of the bladder in an inflated state;
the air bag body is connected with an air inlet and outlet pipe;
also comprises an injection needle unit which comprises a needle tube, a needle seat for installing the needle tube and a liquid supply tube connected with the needle seat,
the air sac body is connected with a needle inserting channel for the injection needle unit to enter the air sac body,
the inner wall of the air bag body is provided with at least one injection point, the periphery of the injection point and the needle inlet channel are fixedly connected with a traction rope with surplus length between the inlets of the air bag body, the needle seat of the injection needle unit is connected and fixed at one end of the traction rope corresponding to the injection point, the liquid supply pipe of the injection needle unit is arranged in the needle inlet channel and freely goes in and out, and the needle point of the injection needle unit is positioned at the gap adjacent inner side of the injection point and aligned with the injection point under the non-inflation state of the air bag body.
2. The bladder drug injection apparatus according to claim 1, wherein: the hauling cable has micro elasticity, namely the elasticity of the hauling cable is smaller than that of the air bag body.
3. The bladder drug injection apparatus according to claim 1, wherein: the injection points and the injection needle units are arranged in a one-to-one correspondence manner, and the liquid supply pipes of the injection needle units are fed in and out from the needle feeding channels side by side.
4. The bladder drug injection apparatus 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 with the air bag body and has the sectional area meeting the requirement of passing in and out of the ureter.
5. The bladder drug injection apparatus according to claim 1, wherein: the side wall of the needle seat is provided with a longitudinal side groove and a transverse groove transversely crossed with the longitudinal side groove, and one end of the traction rope corresponding to the injection point is embedded in the longitudinal side groove and is fixed on the needle seat through a binding belt arranged in the transverse groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764692.5U CN210750839U (en) | 2019-05-24 | 2019-05-24 | Bladder medicine injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764692.5U CN210750839U (en) | 2019-05-24 | 2019-05-24 | Bladder medicine injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210750839U true CN210750839U (en) | 2020-06-16 |
Family
ID=71057116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920764692.5U Withdrawn - After Issue CN210750839U (en) | 2019-05-24 | 2019-05-24 | Bladder medicine injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210750839U (en) |
-
2019
- 2019-05-24 CN CN201920764692.5U patent/CN210750839U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200616 Effective date of abandoning: 20230606 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200616 Effective date of abandoning: 20230606 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |