CN221105971U - Anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance - Google Patents
Anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance Download PDFInfo
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- CN221105971U CN221105971U CN202322485217.3U CN202322485217U CN221105971U CN 221105971 U CN221105971 U CN 221105971U CN 202322485217 U CN202322485217 U CN 202322485217U CN 221105971 U CN221105971 U CN 221105971U
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- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000002604 ultrasonography Methods 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 210000000683 abdominal cavity Anatomy 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 210000001035 gastrointestinal tract Anatomy 0.000 abstract description 2
- 210000001835 viscera Anatomy 0.000 abstract description 2
- 206010063045 Effusion Diseases 0.000 description 20
- 239000004033 plastic Substances 0.000 description 5
- 206010048612 Hydrothorax Diseases 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- 206010003445 Ascites Diseases 0.000 description 3
- 210000003567 ascitic fluid Anatomy 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 210000003200 peritoneal cavity Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000002151 Pleural effusion Diseases 0.000 description 1
- 208000031513 cyst Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
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Abstract
The utility model discloses an anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance, which belongs to the technical field of medical appliances and comprises the following components: the inner needle core is sleeved with a middle layer sleeve in a sliding manner, an outer layer sleeve is sleeved outside the middle layer sleeve, and the inner needle core, the middle layer sleeve and the outer layer sleeve are made of materials which can be identified by ultrasound; a top ring is fixedly connected to one end of the middle layer sleeve, and a plurality of liquid suction holes are formed in one side, close to the top ring, of the middle layer sleeve; one end of the outer sleeve is fixedly connected with the top ring, one section of the outer sleeve, which is close to the top ring, consists of a plurality of strip-shaped frameworks which are circumferentially arranged, and the strip-shaped frameworks are made of flexible materials; the tail end of the middle layer sleeve can be communicated with a drainage tube, and the tail end of the drainage tube is communicated with a negative pressure collecting component. The strip-shaped framework arranged at the end part of the outer sleeve can be outwards bent to form a lantern shape, the lantern-shaped structure can effectively expand the collection of the abdominal cavity effusion, and meanwhile, the blockage of other viscera and intestinal tracts in the abdominal cavity to the liquid suction hole can be separated; and the utility model is more beneficial to ultrasonic guidance.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to an anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance.
Background
Pleural effusion, peritoneal effusion and various organ cysts of the human body are common clinical diseases, and thoracoabdominal effusion puncture and extraction are clinically conventional operation operations and are the most common methods for diagnosis and treatment. However, when the conventional drainage needle is placed in the abdominal cavity to suck the effusion, the phenomenon that the abdominal cavity organ (such as small intestine) covers and seals the needle hole easily occurs due to negative pressure suction at the needle hole, so that the drainage operation cannot be continued frequently, and the abdominal cavity effusion is difficult to extract. In addition, the current development of ultrasonic guided puncture and liquid extraction technology is gradually changed, the puncture accuracy can be greatly improved by using the ultrasonic guide of the ultrasonic puncture guide, the success rate of the puncture operation is improved, the pain of a patient is relieved, and if the operation difficulty of the ultrasonic guided puncture without using the puncture guide is still quite high and the puncture accuracy is lower. However, the conventional puncture needle may not clearly recognize and locate the position of the needle tip due to the too thin tube diameter. This can lead to difficulties for the physician to accurately align the target location during the procedure, increasing the risk of errors and damage to surrounding tissue. Also, thinner puncture drainage needles are less rigid and may cause twisting, bending or sliding during operation, thereby increasing the difficulty and risk of operation.
Therefore, the utility model provides an anti-blocking puncture drainage needle for hydrothorax and abdominal cavity effusion under ultrasonic guidance.
Disclosure of utility model
In order to solve the technical problems, the utility model provides an anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance.
In order to achieve the above purpose, the utility model provides an anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance, comprising: the inner needle core is sleeved with a middle layer sleeve in a sliding manner, and an outer layer sleeve is sleeved outside the middle layer sleeve; the inner needle core, the middle layer sleeve and the outer layer sleeve are made of materials which can be identified by ultrasound; a top ring is fixedly connected to one end of the middle layer sleeve, and a plurality of liquid suction holes are formed in one side, close to the top ring, of the middle layer sleeve; one end of the outer sleeve is fixedly connected with the top ring, one section of the outer sleeve, which is close to the top ring, consists of a plurality of strip-shaped frameworks which are circumferentially arranged, and the strip-shaped frameworks are made of flexible materials; the tail end of the middle layer sleeve can be communicated with a drainage tube, and the tail end of the drainage tube is communicated with a negative pressure collecting component.
Preferably, the inner needle core comprises a needle point, a needle body and a needle handle, the length of the needle body is longer than that of the middle layer sleeve and the outer layer sleeve, the needle point is fixedly connected to the top end of the needle body, the needle point penetrates through the middle layer sleeve and the outer layer sleeve and is positioned on the outer sides of the middle layer sleeve and the outer layer sleeve, and the tail end of the needle body is fixedly connected with the needle handle.
Preferably, a push-pull ring is fixedly connected to the outer side of one end of the outer sleeve, which is far away from the strip-shaped framework, and a rubber pad is fixedly connected to the inner side of the push-pull ring.
Preferably, the inner needle core, the middle layer sleeve and the outer layer sleeve are made of metal materials.
Preferably, a sealing ring is arranged between the middle layer sleeve and the outer layer sleeve, and the sealing ring is fixedly connected to the inner wall of the outer layer sleeve close to the tail end of the strip-shaped framework and is in sliding connection with the outer wall of the middle layer sleeve.
Preferably, a flow valve is fixedly arranged on the drainage tube.
Compared with the prior art, the utility model has the following advantages and technical effects:
When the puncture needle is used, the inner needle core is used for firstly breaking the skin, the middle layer sleeve and the outer layer sleeve are connected together to enter the pleuroperitoneal cavity, the inner needle core is solid and has high hardness, puncture is convenient to carry out, meanwhile, the advance and retreat and direction of the puncture needle are convenient to control, the inner needle core, the middle layer sleeve and the outer layer sleeve are made of materials which can be identified by ultrasound, so that the drainage needle can accurately position a target position and a path for accurate puncture drainage under the guidance of ultrasound, puncture can be greatly improved in puncture accuracy, the success rate of puncture operation is improved, pain of a patient is relieved, the middle layer sleeve is sleeved on the inner needle core, the diameter of the puncture drainage needle is increased due to the fact that the puncture drainage needle is sleeved outside the middle layer sleeve, the puncture drainage needle is not difficult to observe on ultrasonic equipment due to fineness, and ultrasonic identification is easier; after reaching the target position, the inner needle core is pulled out of the middle layer sleeve, the inner pipeline of the middle layer sleeve can be emptied for subsequent effusion circulation, then the tail end of the middle layer sleeve is connected with a drainage tube, the drainage tube is communicated with a negative pressure collecting component, and the negative pressure collecting component can be an injector or any other negative pressure collecting component in the prior art such as a drainage device; then pushing the outer end of the outer sleeve to the inner side so that the centers of the strip-shaped frameworks are outwards bent to form a lantern shape, wherein the strip-shaped frameworks can be made of thin metal strips and the like; the negative pressure collecting component is started, the negative pressure collecting component can provide corresponding negative pressure, so that accumulated liquid flows into the liquid suction holes from the gaps after the strip-shaped framework is bent, then flows into the middle-layer sleeve through the liquid suction holes, and finally flows out of the tail end of the middle-layer pipeline through the drainage tube to be collected by the negative pressure collecting component. The design of the inner needle core increases the strength of the puncture drainage needle when the puncture drainage needle is penetrated into the body, and is more beneficial to the accurate operation of a doctor on the puncture needle and the accurate positioning to a target position; more importantly, after the puncture drainage needle enters the target position, the outer sleeve is pushed, the strip-shaped framework arranged at the end part of the outer sleeve can be outwards bent to form a lantern shape, the liquid suction holes are formed in the lantern-shaped structure formed by bending the strip-shaped framework, the lantern-shaped structure can effectively expand the collection of peritoneal effusion, meanwhile, the blockage of other organs and intestinal tracts in the peritoneal cavity to the liquid suction holes can be separated, and in addition, the liquid suction holes are formed in the side wall of the middle sleeve and are beneficial to effectively collecting effusions with different position depths.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of a puncture state structure of an anti-blocking puncture drainage needle for hydrothorax and abdominal cavity effusion under ultrasonic guidance;
FIG. 2 is an exploded view of an anti-blocking puncture drainage needle for hydrothorax and abdominal cavity effusion under ultrasonic guidance of the utility model;
FIG. 3 is a schematic structural view showing a strip-shaped framework of a puncture-preventing drainage needle for preventing hydrothorax and abdominal cavity effusion under ultrasonic guidance in a propped state;
fig. 4 is a schematic structural view of a suction state of an anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance;
FIG. 5 is a cross-sectional view of FIG. 1;
FIG. 6 is an enlarged view of A in FIG. 5;
FIG. 7 is an enlarged view of B in FIG. 5;
in the figure: 1. an inner needle core; 2. a middle layer sleeve; 3. an outer sleeve; 4. a top ring; 5. a liquid suction hole; 6. a strip-shaped framework; 101. a needle tip; 102. a needle body; 103. a needle handle; 7. pushing the pull ring; 8. a rubber pad; 9. a drainage tube; 10. a negative pressure collecting member; 11. a seal ring; 12. a flow valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1
Referring to fig. 1-7, the present embodiment provides an anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance, comprising: the inner needle core 1 is sleeved with a middle layer sleeve 2 in a sliding manner, and an outer layer sleeve 3 is sleeved outside the middle layer sleeve 2; the inner needle core 1, the middle layer sleeve 2 and the outer layer sleeve 3 are made of materials which can be identified by ultrasonic waves; a top ring 4 is fixedly connected to one end of the middle layer sleeve 2, and a plurality of liquid suction holes 5 are formed in one side, close to the top ring 4, of the middle layer sleeve 2; one end of the outer sleeve 3 is fixedly connected with the top ring 4, one section of the outer sleeve 3, which is close to the top ring 4, consists of a plurality of strip-shaped frameworks 6 which are circumferentially arranged, and the strip-shaped frameworks 6 are made of flexible materials; the tail end of the middle layer sleeve 2 can be communicated with a drainage tube 9, and the tail end of the drainage tube 9 is communicated with a negative pressure collecting component 10.
When the puncture needle is used, the inner needle core 1 breaks the skin firstly, the middle layer sleeve 2 and the outer layer sleeve 3 are connected together to enter the pleuroperitoneal cavity, the inner needle core 1 is solid and has high hardness, puncture is conveniently performed, meanwhile, the advance and retreat and the direction of a puncture needle are conveniently controlled, the inner needle core 1, the middle layer sleeve 2 and the outer layer sleeve 3 are made of materials which can be identified by ultrasound, so that the drainage needle can accurately position a target position and a path for accurate puncture drainage under the guidance of ultrasound, the puncture accuracy can be greatly improved, the success rate of puncture operation is improved, the pain of a patient is relieved, the middle layer sleeve 2 is sleeved on the inner needle core 1, the diameter of the puncture drainage needle is increased due to the design that the middle layer sleeve 2 is sleeved with the outer layer sleeve 3, the puncture drainage needle is not difficult to observe on ultrasonic equipment due to the fact that the puncture drainage needle is too thin, and the ultrasonic identification is easier; after reaching the target position, the inner needle core 1 is drawn out of the middle layer sleeve 2, the inner pipeline of the middle layer sleeve 2 can be emptied for subsequent effusion circulation, then the tail end of the middle layer sleeve 2 is connected with the drainage tube 9, the drainage tube 9 is communicated with the negative pressure collecting component 10, and the negative pressure collecting component 10 can be an injector or any other negative pressure collecting component 10 in the prior art such as a drainage device; then pushing the outer end of the outer sleeve 3 to the inner side, so that the centers of the plurality of strip-shaped frameworks 6 are outwards bent to form a lantern shape, and the strip-shaped frameworks 6 can be made of thin metal strips and the like; the corresponding negative pressure collecting component 10 is started, the negative pressure collecting component 10 can provide corresponding negative pressure, so that accumulated liquid flows into the liquid suction holes 5 from the gaps after bending the strip-shaped framework 6, then enters the middle layer sleeve 2 through the liquid suction holes 5, and finally flows out from the tail end of the middle layer pipeline through the drainage tube 9 to be collected by the negative pressure collecting component 10. The design of the inner needle core 1 increases the strength of the puncture drainage needle when the puncture drainage needle is penetrated into the body, and is more beneficial to the accurate operation of a doctor on the puncture needle and the accurate positioning to a target position; more importantly, after the puncture drainage needle enters the target position, the outer sleeve 3 is pushed, the strip-shaped framework 6 arranged at the end part of the outer sleeve 3 can be outwards bent to form a lantern shape, the liquid suction holes 5 are formed in the lantern-shaped structure formed by bending the strip-shaped framework 6, the lantern-shaped structure can effectively expand the collection of peritoneal effusion, meanwhile, the blockage of other organs and intestinal tubes in the peritoneal cavity to the liquid suction holes 5 can be separated, and in addition, the liquid suction holes 5 are formed in the side wall of the middle sleeve 2 and are beneficial to effectively collecting effusions with different position depths.
Further optimizing scheme, the inner needle core 1 comprises a needle point 101, a needle body 102 and a needle handle 103, the length of the needle body 102 is longer than that of the middle layer sleeve 2 and the outer layer sleeve 3, the needle point 101 is fixedly connected to the top end of the needle body 102, the needle point passes through the middle layer sleeve 2 and the outer layer sleeve 3 and is positioned on the outer sides of the middle layer sleeve 2 and the outer layer sleeve 3, and the tail end of the needle body 102 is fixedly connected with the needle handle 103.
Needle body 102 is longer than middle level sleeve 2 and outer sleeve 3 and makes needle point 101 and needle handle 103 all lie in middle level sleeve 2 and outer sleeve 3 outside, and needle point 101 lies in middle level sleeve 2 and outer sleeve 3 and can contact skin and internal tissue first, and sharp needle point 101 can penetrate skin and other tissues more easily, reduces the risk of pain and hemorrhage, guides middle level sleeve 2 and outer sleeve 3 more safely and gets into the body, reduces the damage possibility. The needle handle 103 is used for holding and pulling out when the inner needle core 1 is pulled out, so that the holding is convenient, and the force application is facilitated.
In a further optimized scheme, a push-pull ring 7 is fixedly connected to the outer side of one end, far away from the strip-shaped framework 6, of the outer sleeve 3, and a rubber pad 8 is fixedly connected to the inner side of the push-pull ring 7.
The push-pull ring 7 is convenient for pushing and pulling the outer sleeve 3, and the rubber pad 8 is beneficial to increasing the friction between the push-pull ring 7 and the middle sleeve 2 so as to increase the force required for pushing the push-pull ring 7 and avoid random sliding of the push-pull ring 7 caused by false touch.
In a further optimization scheme, the inner needle core 1, the middle layer sleeve 2 and the outer layer sleeve 3 are made of metal materials.
The metal material can be identified by ultrasonic signals, accurate puncture drainage can be performed under ultrasonic guidance, and puncture accuracy, success rate of puncture operation and pain of patients can be greatly improved under ultrasonic guidance. The metal material is also favorable for increasing the rigidity during puncturing, avoids the skin and other tissues being difficult to penetrate due to too soft drainage needle, and can be sterilized at high temperature, so that the metal material is convenient for repeated use and can reduce the medical cost of patients.
In a further optimization scheme, a sealing ring 11 is arranged between the middle-layer sleeve 2 and the outer-layer sleeve 3, and the sealing ring 11 is fixedly connected to the inner wall of the outer-layer sleeve 3 close to the tail end of the strip-shaped framework 6 and is in sliding connection with the outer wall of the middle-layer sleeve 2.
In order to avoid that the effusion flows out from the gap between the middle layer sleeve 2 and the outer layer sleeve 3, a sealing ring 11 is arranged between the middle layer sleeve 2 and the outer layer sleeve 3.
In a further optimized scheme, a flow valve 12 is fixedly arranged on the drainage tube 9.
The flow valve 12 controls the flow rate of the liquid product.
Example 2
The difference between the pleuroperitoneal cavity effusion anti-blocking puncture drainage needle under the ultrasonic guidance of the embodiment and the embodiment 1 is that the middle layer sleeve 2 and the outer layer sleeve 3 are made of medical plastic materials.
The medical plastic material can be identified by ultrasonic signals as the metal material, and the plastic material has certain flexibility, and if the middle layer sleeve 2 and the outer layer sleeve 3 are made of medical plastic materials, after the inner needle core 1 is removed, the inner cavity can be probed in a relatively complex space without damaging viscera, and the deep effusion position can be reached more easily. The medical plastic can be selected from PA, TPU and other materials.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (6)
1. An anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance, which is characterized by comprising: the inner needle core (1), the inner needle core (1) is sleeved with a middle layer sleeve (2) in a sliding manner, and an outer layer sleeve (3) is sleeved outside the middle layer sleeve (2); the inner needle core (1), the middle layer sleeve (2) and the outer layer sleeve (3) are made of materials which can be identified by ultrasound; a top ring (4) is fixedly connected to one end of the middle layer sleeve (2), and a plurality of liquid suction holes (5) are formed in one side, close to the top ring (4), of the middle layer sleeve (2); one end of the outer sleeve (3) is fixedly connected with the top ring (4), one section of the outer sleeve (3) close to the top ring (4) consists of a plurality of strip-shaped frameworks (6) which are circumferentially arranged, and a plurality of strip-shaped frameworks (6) are made of flexible materials; the tail end of the middle layer sleeve (2) can be communicated with a drainage tube (9), and the tail end of the drainage tube (9) is communicated with a negative pressure collecting component (10).
2. The ultrasound-guided pleuroperitoneal cavity effusion anti-blocking puncture drainage needle according to claim 1, wherein: the inner needle core (1) comprises a needle point (101), a needle body (102) and a needle handle (103), the length of the needle body (102) is longer than that of the middle-layer sleeve (2) and the outer-layer sleeve (3), the needle point (101) is fixedly connected to the top end of the needle body (102) and penetrates through the middle-layer sleeve (2) and the outer-layer sleeve (3) to be located outside the middle-layer sleeve (2) and the outer-layer sleeve (3), and the tail end of the needle body (102) is fixedly connected with the needle handle (103).
3. The ultrasound-guided pleuroperitoneal cavity effusion anti-blocking puncture drainage needle according to claim 1, wherein: the outer sleeve (3) is far away from the outer side of one end of the strip-shaped framework (6) and is fixedly connected with a push-pull ring (7), and the inner side of the push-pull ring (7) is fixedly connected with a rubber pad (8).
4. The ultrasound-guided pleuroperitoneal cavity effusion anti-blocking puncture drainage needle according to claim 1, wherein: the inner needle core (1), the middle layer sleeve (2) and the outer layer sleeve (3) are made of metal materials.
5. The ultrasound-guided pleuroperitoneal cavity effusion anti-blocking puncture drainage needle according to claim 1, wherein: a sealing ring (11) is arranged between the middle layer sleeve (2) and the outer layer sleeve (3), and the sealing ring (11) is fixedly connected to the inner wall of the outer layer sleeve (3) close to the tail end of the strip-shaped framework (6) and is in sliding connection with the outer wall of the middle layer sleeve (2).
6. The ultrasound-guided pleuroperitoneal cavity effusion anti-blocking puncture drainage needle according to claim 1, wherein: a flow valve (12) is fixedly arranged on the drainage tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485217.3U CN221105971U (en) | 2023-09-13 | 2023-09-13 | Anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485217.3U CN221105971U (en) | 2023-09-13 | 2023-09-13 | Anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance |
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| Publication Number | Publication Date |
|---|---|
| CN221105971U true CN221105971U (en) | 2024-06-11 |
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ID=91368891
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322485217.3U Active CN221105971U (en) | 2023-09-13 | 2023-09-13 | Anti-blocking puncture drainage needle for pleuroperitoneal cavity effusion under ultrasonic guidance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221105971U (en) |
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2023
- 2023-09-13 CN CN202322485217.3U patent/CN221105971U/en active Active
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