CN115153746B - Catheter adapter - Google Patents
Catheter adapter Download PDFInfo
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- CN115153746B CN115153746B CN202210705678.4A CN202210705678A CN115153746B CN 115153746 B CN115153746 B CN 115153746B CN 202210705678 A CN202210705678 A CN 202210705678A CN 115153746 B CN115153746 B CN 115153746B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
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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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/105—Multi-channel connectors or couplings, e.g. for connecting multi-lumen tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with a guide wire
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
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- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention provides a catheter connector, which comprises a connector main body, a knob and a silica gel cylinder, wherein a main channel, a side channel and a connecting channel are arranged in the connector main body, and the radial dimension of the main channel is smaller than that of the connecting channel; the knob is in threaded connection with the proximal end of the joint main body, a boss is arranged in the knob, the radial dimension of the boss is smaller than that of the connecting channel, and an inner channel is arranged on the boss; the silica gel cylinder is arranged in the connecting channel, the radial dimension of the main body of the silica gel cylinder is matched with the radial dimension of the connecting channel, and the radial dimension of the two end parts of the silica gel cylinder is respectively matched with the radial dimension of the main channel and the radial dimension of the inner channel; the boss extrudes the silica gel cylinder in the process that the knob rotates towards the joint main body, and two ends of the silica gel cylinder after extrusion deformation respectively extend into and at least partially fill the main channel and the inner channel so as to cut off the communication between the main channel and the connecting channel. The invention can effectively solve the problem of insufficient suction force caused by leakage of the joint in the thrombus suction process.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a catheter connector.
Background
Thrombosis is the activation of the coagulation system to a different extent in physiological or pathological conditions, the formation of emboli in the blood by the constituents of the circulating blood, causing partial or complete blockage of the lumen of the blood vessel. The corresponding clinical events include acute myocardial infarction, ischemic cerebral apoplexy, pulmonary embolism, disseminated intravascular coagulation and the like, and serious consequences are often caused. State of the art percutaneous artificial thrombus aspiration after successful puncture through the patient's lateral popliteal vein or healthy lateral femoral vein, the thrombus was placed at the site of the thrombus using a 12F catheter sheath and then directly aspirated using a 50ml syringe. The device comprises a catheter sheath, a syringe, a connecting pipe, a catheter connector, a one-way locking device, a thrombus suction device and a connecting pipe, wherein one end of the catheter sheath is connected with the catheter connector, the catheter connector is provided with a main channel and a side channel which are communicated, the syringe is connected with the side channel of the catheter connector through the connecting pipe, and if the size of the main channel in the catheter connector is smaller, the main channel can be locked by the one-way locking device, and thrombus suction is performed through the side channel; however, if the size of the internal channel of the catheter adapter is large, only the channel one-way locking device often cannot lock the main channel of the catheter adapter completely, so that leakage easily occurs when the side channel is adopted for thrombus suction, the suction force is insufficient, and the thrombus suction effect is greatly influenced.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a catheter connector, which solves the problem of insufficient suction force caused by leakage of the catheter connector in the current thrombus suction process.
In order to achieve the above object, the present invention provides the following technical solutions:
a catheter adapter, the catheter adapter comprising:
the connector comprises a connector main body, wherein a main channel, a side channel and a connecting channel are arranged in the connector main body, the side channel and the connecting channel are communicated with the main channel, the connecting channel and the main channel are sequentially arranged from the proximal end to the distal end, and the radial size of the main channel is smaller than that of the connecting channel;
the knob is in threaded connection with the proximal end of the joint main body, a boss is arranged in the knob, the radial dimension of the boss is smaller than that of the connecting channel, and an inner channel is arranged on the boss;
the silica gel cylinder is arranged in the connecting channel, the radial dimension of the main body of the silica gel cylinder is matched with the radial dimension of the connecting channel, and the radial dimensions of the two end parts of the silica gel cylinder are respectively matched with the radial dimension of the main channel and the radial dimension of the inner channel;
the boss is in the knob orientation connect main part rotation in-process extrusion the silica gel section of thick bamboo, the both ends after the silica gel section of thick bamboo extrusion deformation stretch into respectively and at least partly fill main passageway with interior passageway is in order to separate the main passageway with connect the intercommunication between the passageway.
Optionally, the connecting channel comprises a first channel section and a second channel section which are connected, wherein the end part of the first channel section, which is far away from the second channel section, is connected to the main channel, and the inner diameter of the first channel section gradually decreases along the direction from the second channel section to the main channel;
the silica gel section of thick bamboo is including silica gel distal end section, silica gel main part section and the silica gel proximal end section that are connected in proper order, the silica gel distal end section with the radial dimension of silica gel proximal end section is all followed keep away from the direction of silica gel main part section reduces gradually, the radial dimension of silica gel main part section with the radial dimension looks adaptation of second passageway section, just the silica gel distal end section with the size looks adaptation of first passageway section.
Optionally, the catheter adapter further includes a gasket, the radial dimension of the gasket is matched with the radial dimension of the silica gel main body section, the gasket is provided with a limiting space matched with the silica gel proximal end section, the limiting space penetrates through the gasket along the axial direction of the gasket, the gasket is arranged between the silica gel cylinder and the boss, and the silica gel proximal end section is located in the limiting space;
the boss extrudes the gasket and the silica gel cylinder in the process that the knob rotates towards the joint main body, and two ends of the silica gel cylinder after extrusion deformation respectively extend into and at least partially fill the main channel and the inner channel.
Optionally, the radial dimensions of the inner bore of the silica gel cartridge, the main channel and the inner channel are the same.
Optionally, the joint main body comprises a joint main pipe and a joint side pipe, the main channel and the connecting channel are arranged in the joint main pipe, the proximal end of the joint main pipe is in threaded connection with the knob, and the side channel is arranged in the joint side pipe; the joint side pipe is obliquely arranged on one side of the joint main pipe.
Optionally, an angle a between the axis of the joint side pipe and the axis of the joint main pipe is defined as 45 ° -a ∈60 °.
Optionally, the distal end of the connector main tube is provided with a helical structure.
Optionally, the connector side tube is provided with a limiting rib for limiting the connecting tube when the connecting tube of the injector is sleeved on the connector side tube.
Optionally, the joint main pipe and the joint side pipe are of an integral structure.
Optionally, the outer wall of the proximal end of the connector body is provided with an external thread, the inner wall of the knob is provided with an internal thread, and the knob is in threaded connection with the proximal end of the connector body through the cooperation of the external thread and the internal thread.
The beneficial effects are that:
the catheter connector comprises a connector main body, a knob and a silica gel cylinder, wherein a main channel, a side channel communicated with the main channel and a connecting channel are arranged in the connector main body, the connecting channel and the main channel are sequentially arranged from a proximal end to a distal end, and the radial size of the main channel is smaller than that of the connecting channel; the knob is in threaded connection with the proximal end of the joint main body, a boss is arranged in the knob, the radial dimension of the boss is smaller than that of the connecting channel, and an inner channel is arranged on the boss; the silica gel cylinder is arranged in the connecting channel, the radial dimension of the main body of the silica gel cylinder is matched with the radial dimension of the connecting channel, and the radial dimension of the two end parts of the silica gel cylinder is respectively matched with the radial dimension of the main channel and the radial dimension of the inner channel. The structure setting of this kind, at knob orientation joint main part rotatory in-process, boss extrusion silica gel section of thick bamboo, the silica gel section of thick bamboo extends the deformation along the axial of joint main part under the extrusion effect, and main passageway and interior passageway are stretched into respectively and are filled to at least part at both ends after the deformation to cut off the intercommunication between main passageway and the connecting channel, only side channel and main passageway intercommunication like this can carry out thrombus suction through the side channel. That is, the catheter connector can be locked in two directions in the thrombus sucking process, so that the problem of insufficient suction force caused by leakage of the connector in the thrombus sucking process can be effectively solved, and the catheter connector can be a catheter connector with smaller internal channel size or a catheter connector with larger internal channel size, and has strong applicability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. Wherein:
FIG. 1 is a schematic view of a catheter adapter according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the catheter adapter of FIG. 1 after assembly;
FIG. 3 is a schematic cross-sectional view of the catheter adapter of FIG. 1 after assembly and in a locked condition;
FIG. 4 is a schematic view of a partial enlarged structure of FIG. 2;
FIG. 5 is a schematic view of the structure of the connector body of the catheter connector of FIG. 1;
FIG. 6 is a schematic cross-sectional view of the connector body of the catheter connector of FIG. 1 from another perspective;
FIG. 7 is a schematic view of the structure of the knob of the catheter adapter of FIG. 1;
FIG. 8 is a schematic view of the structure of the silica gel cartridge in the catheter adapter of FIG. 2;
FIG. 9 is a schematic view of a silicone tube of the catheter adapter of FIG. 2 from another perspective;
FIG. 10 is a schematic view of another view of the gasket of the catheter adapter of FIG. 2;
fig. 11 is a schematic view of a gasket of the catheter adapter of fig. 2 from another perspective.
Reference numerals in the drawings: 1-a joint body; 11-joint main pipe; 111-main channel; 112-connecting channels; 112 a-a first channel segment; 112 b-a second channel segment; 113-external threads; 12-joint side pipes; 121-side channel; 122-limiting convex ribs; 13-helical structure; 2-a knob; 21-a boss; 211-inner channel; 22-internal threads; 3-silica gel cylinder; 31-a silica gel main body section; 32-a silica gel distal segment; 33-a proximal section of silica gel; 34-inner bore; 4-a gasket; 41-limit space.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
The present invention will be described in detail with reference to examples. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In order to solve the problem of insufficient suction force caused by leakage of a catheter connector in the current thrombus sucking process, the invention provides the catheter connector which can be locked in a two-way manner in the thrombus sucking process, so that the problem of insufficient suction force caused by leakage of the connector in the thrombus sucking process can be effectively solved, and the catheter connector can be a catheter connector with smaller internal channel size or a catheter connector with larger internal channel size, and has strong applicability.
As shown in fig. 1 to 3, in one embodiment of the present invention, the catheter adapter includes an adapter body 1, a knob 2 and a silica gel cartridge 3, wherein a main channel 111, a side channel 121 communicating with the main channel 111 and a connection channel 112 are provided in the adapter body 1, the connection channel 112 and the main channel 111 are sequentially provided from a proximal end to a distal end, and a radial dimension of the main channel 111 is smaller than a radial dimension of the connection channel 112; the knob 2 is in threaded connection with the proximal end of the joint main body 1, a boss 21 is arranged in the knob 2, the radial dimension of the boss 21 is smaller than that of the connecting channel 112, the boss 21 is provided with an inner channel 211, and then the radial dimension of the inner channel 211 is smaller than that of the connecting channel 112; the silicone tube 3 is disposed in the connection channel 112, the radial dimension of the main body of the silicone tube 3 is matched with the radial dimension of the connection channel 112, and the radial dimensions of the two ends of the silicone tube 3 are respectively matched with the radial dimension of the main channel 111 and the radial dimension of the inner channel 211. The structure is that, in the process that the knob 2 rotates towards the joint main body 1, the boss 21 extrudes the silica gel cylinder 3, the silica gel cylinder 3 extends and deforms along the axial direction of the joint main body 1 under the extrusion action, two ends after deformation respectively extend into and at least partially fill the main channel 111 and the inner channel 211 to block the communication between the main channel 111 and the connecting channel 112, so that only the side channel 121 is communicated with the main channel 111, and thrombus suction can be performed through the side channel 121. That is, the catheter connector can be locked in two directions in the thrombus sucking process, so that the problem of insufficient suction force caused by leakage of the connector in the thrombus sucking process can be effectively solved.
It should be noted that, the proximal ends are all ends close to the operator, and the distal ends are ends far away from the operator. Naturally, when the thrombus aspiration process is completed, the knob 2 is reversely rotated, the boss 21 is separated from the silica gel cylinder 3, and the silica gel cylinder 3 can be automatically restored.
As shown in fig. 5 and 7, in the embodiment of the present invention, the outer wall of the proximal end of the connector body 1 is provided with an external thread 113, the inner wall of the knob 2 is provided with an internal thread 22, and the knob 2 is screwed with the proximal end of the connector body 1 by the cooperation of the external thread 113 and the internal thread 22.
Further, a stop rib (not labeled) is further disposed on the outer wall of the proximal end of the connector body 1, the stop rib is located on the inner side of the external thread 113, and the stop rib plays a role in effectively stopping the rotation process of the knob 2.
It should be noted that, the outer wall of the knob 2 is provided with a plurality of protrusions along the axial direction thereof at intervals, and the protrusions extend along the axial direction of the knob, so that the knob 2 can be conveniently rotated by an operator, and the phenomenon that the operator sideslips when rotating the knob 2 can be effectively avoided.
Further, as shown in fig. 2, 3, 4, 6, 8 and 9, the connecting channel 112 includes a first channel segment 112a and a second channel segment 112b connected to each other, an end of the first channel segment 112a far from the second channel segment 112b is connected to the main channel 111, and an inner diameter of the first channel segment 112a gradually decreases along a direction from the second channel segment 112b to the main channel 111, that is, the second channel segment 112b and the main channel 111 are circular equal-inner-diameter channels, and the first channel segment 112a is an inner-diameter gradual-change channel connected to the second channel segment 112b and the main channel 111; the silica gel barrel 3 comprises a silica gel distal end section 32, a silica gel main body section 31 and a silica gel proximal end section 33 which are sequentially connected, the radial sizes of the silica gel distal end section 32 and the silica gel proximal end section 33 are gradually reduced along the direction away from the silica gel main body section 31, the radial size of the silica gel main body section 31 is matched with the radial size of the second channel section 112b, and the silica gel distal end section 32 is matched with the size of the first channel section 112 a. When the knob 2 rotates towards the joint main body 1, the boss 21 extrudes the silica gel cylinder 3, the silica gel cylinder 3 can extend and deform along the axial direction of the joint main body 1 under the extrusion action, and two ends after deformation respectively extend into and at least partially fill the main channel 111 and the inner channel 211 so as to block the communication between the main channel 111 and the connecting channel 112, thereby realizing bidirectional locking, and only the side channel 121 is communicated with the main channel 111, so that thrombus suction can be performed through the side channel 121. The size of the silicone distal section 32 is adapted to the size of the first channel section 112a, so that the silicone distal section 32 can be easily extruded and deformed to be smoothly stretched into and filled in the main channel 111.
Further, as shown in fig. 2, 3, 4 and 10, the catheter adapter further includes a spacer 4, where the radial dimension of the spacer 4 is adapted to the radial dimension of the silica gel main body section 31, the spacer 4 is provided with a limiting space 41 adapted to the silica gel proximal end section 33, and the limiting space 41 penetrates through the spacer 4 along the axial direction of the spacer 4, i.e., the limiting space 41 is an inner diameter gradual change space and is substantially in a horn shape; the gasket 4 is arranged between the silica gel barrel 3 and the boss 21, and the silica gel proximal section 33 is positioned in the limiting space 41. The structure setting of this, knob 2 is towards the rotatory in-process of joint main part 1, and boss 21 extrudees gasket 4, and gasket 4 extrudees silica gel section of thick bamboo 3, and silica gel section of thick bamboo 3 can extend the deformation along the axial of joint main part 1 under the extrusion effect, and main passageway 111 and interior passageway 211 are stretched into respectively and are filled to the both ends after the deformation at least partially to cut off the intercommunication between main passageway 111 and the connecting channel 112, realize two-way locking, only side channel 121 and main passageway 111 intercommunication like this can carry out thrombus suction through side channel 121. Wherein the arrangement of the gasket 4 can facilitate the extrusion deformation of the silica gel cylinder 3.
As shown in fig. 10 and 11, one side of the gasket 4 is provided with a limit space 41 adapted to the shape of the proximal section 33 of silica gel, and the other side is in a planar structure, and in the process that the knob 2 rotates towards the joint main body 1, the boss 21 contacts one side of the planar structure of the gasket 4, so that the extrusion force can be effectively transmitted to the gasket 4 and the silica gel cylinder 3, and the proximal section of the silica gel cylinder 3 stretches into and fills the inner channel 211 of the boss 21 after extrusion deformation.
Further, as shown in fig. 4, the inner hole 34 of the silica gel cylinder 3 is a circular hole, the main channel 111 and the inner channel 211 are circular channels, and the radial dimensions (i.e., the inner diameters) of the inner hole 34, the main channel 111 and the inner channel 211 of the silica gel cylinder 3 are the same. The structural design is convenient for the two ends of the silica gel cylinder 3 to smoothly extend into and fill the main channel 111 and the inner channel 211 after extrusion deformation.
As shown in fig. 6, the joint main body 1 comprises a joint main pipe 11 and a joint side pipe 12, wherein a main channel 111 and a connecting channel 112 are arranged in the joint main pipe 11, the proximal end of the joint main pipe 11 is in threaded connection with the knob 2, that is, the outer wall of the proximal end of the joint main pipe 11 is provided with an external thread 113 which is in threaded connection with an internal thread 22 in the knob 2, and a side channel 121 is arranged in the joint side pipe 12; the joint side pipe 12 is obliquely arranged at one side of the joint main pipe 11, that is, an included angle smaller than 90 degrees exists between the axis of the side channel 121 and the axis of the main channel 111, the side channel 121 is an oblique angle side channel 121, and compared with the right angle side channel 121, the oblique angle side channel 121 has better suction effect when being used for thrombus suction.
The included angle between the axis of the joint side pipe 12 and the axis of the joint main pipe 11 is defined as A, and A is 45 DEG or more and 60 DEG or less, for example, A takes the interval values of 45 DEG, 50 DEG, 55 DEG and 60 DEG and between any two end points.
Further, as shown in fig. 1, 2, 3 and 5, the distal end of the connector main tube 11 is provided with a spiral structure 13, which is designed to act as a stress diffusion for the catheter connector.
Further, as shown in fig. 5, a limiting rib 122 is provided on the joint side pipe 12, and the limiting rib 122 has a ring structure and is used for limiting the connecting pipe when the connecting pipe of the injector is sleeved on the joint side pipe 12.
Further, the joint main pipe 11 and the joint side pipe 12 are of an integral structure, so that the overall stability of the joint main body 1 can be ensured, thereby ensuring the reliability of the thrombus aspiration process.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A catheter adapter, the catheter adapter comprising:
the connector comprises a connector main body, wherein a main channel, a side channel and a connecting channel are arranged in the connector main body, the side channel and the connecting channel are communicated with the main channel, the connecting channel and the main channel are sequentially arranged from the proximal end to the distal end, and the radial size of the main channel is smaller than that of the connecting channel;
the knob is in threaded connection with the proximal end of the joint main body, a boss is arranged in the knob, the radial dimension of the boss is smaller than that of the connecting channel, and an inner channel is arranged on the boss;
the silica gel cylinder is arranged in the connecting channel, the radial dimension of the main body of the silica gel cylinder is matched with the radial dimension of the connecting channel, and the radial dimensions of the two end parts of the silica gel cylinder are respectively matched with the radial dimension of the main channel and the radial dimension of the inner channel;
the boss extrudes the silica gel cylinder in the process that the knob rotates towards the joint main body, and two ends of the silica gel cylinder after extrusion deformation respectively extend into and at least partially fill the main channel and the inner channel so as to block the communication between the main channel and the connecting channel;
the connecting channel comprises a first channel section and a second channel section which are connected, the end part of the first channel section, which is far away from the second channel section, is connected with the main channel, and the inner diameter of the first channel section gradually decreases along the direction from the second channel section to the main channel;
the silica gel section of thick bamboo is including silica gel distal end section, silica gel main part section and the silica gel proximal end section that are connected in proper order, the silica gel distal end section with the radial dimension of silica gel proximal end section is all followed keep away from the direction of silica gel main part section reduces gradually, the radial dimension of silica gel main part section with the radial dimension looks adaptation of second passageway section, just the silica gel distal end section with the size looks adaptation of first passageway section.
2. The catheter adapter of claim 1 further comprising a spacer, the radial dimension of the spacer being adapted to the radial dimension of the silicone body section, the spacer having a spacing space adapted to the silicone proximal section, the spacing space extending through the spacer in the axial direction of the spacer, the spacer being disposed between the silicone barrel and the boss, and the silicone proximal section being located within the spacing space;
the boss extrudes the gasket and the silica gel cylinder in the process that the knob rotates towards the joint main body, and two ends of the silica gel cylinder after extrusion deformation respectively extend into and at least partially fill the main channel and the inner channel.
3. The catheter adapter of claim 1 wherein the radial dimensions of the inner bore of the silicone barrel, the main channel, and the inner channel are the same.
4. The catheter adapter of claim 1, wherein the adapter body comprises an adapter main tube having the main channel and the connecting channel therein, a proximal end of the adapter main tube being threadably connected to the knob, and an adapter side tube having the side channel therein;
the joint side pipe is obliquely arranged on one side of the joint main pipe.
5. The conduit coupling of claim 4, wherein an angle a is defined between the axis of said coupling side tube and the axis of said coupling main tube as 45 ° to 60 °.
6. The catheter adapter of claim 4 wherein the distal end of the adapter main tube is provided with a helical configuration.
7. The catheter hub of claim 4, wherein said hub-side tube is provided with a spacing rib for spacing the connection tube when the connection tube of the syringe is sleeved on said hub-side tube.
8. The catheter adapter of claim 4 wherein said adapter main tube and said adapter side tube are of unitary construction.
9. The catheter hub of any of claims 1-8, wherein an outer proximal wall of said hub body is provided with external threads, an inner wall of said knob is provided with internal threads, and said knob is threadably coupled to said proximal end of said hub body by mating said external threads and said internal threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210705678.4A CN115153746B (en) | 2022-06-21 | 2022-06-21 | Catheter adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210705678.4A CN115153746B (en) | 2022-06-21 | 2022-06-21 | Catheter adapter |
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| Publication Number | Publication Date |
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| CN115153746A CN115153746A (en) | 2022-10-11 |
| CN115153746B true CN115153746B (en) | 2023-06-02 |
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| CN202210705678.4A Active CN115153746B (en) | 2022-06-21 | 2022-06-21 | Catheter adapter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115919405A (en) * | 2022-11-02 | 2023-04-07 | 上海玮琅医疗科技有限公司 | Blood vessel foreign matter extraction auxiliary device and extraction device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075382A (en) * | 2019-05-29 | 2019-08-02 | 浙江伏尔特医疗器械股份有限公司 | A kind of multi-functional non-PVC material infusion apparatus |
| CN210318899U (en) * | 2019-05-17 | 2020-04-14 | 杭州科百特过滤器材有限公司 | Sealed conduit joint |
| EP3772322A1 (en) * | 2019-08-06 | 2021-02-10 | Delmont Imaging SAS | Proximal lock adapter for a scope |
| CN112728251A (en) * | 2021-01-04 | 2021-04-30 | 伟鑫(广州)工业科技有限公司 | Axial seal structure of joint |
| CN113558683A (en) * | 2021-08-25 | 2021-10-29 | 张强 | Auxiliary connecting piece and soft endoscope auxiliary suction device |
| CN214911230U (en) * | 2021-03-09 | 2021-11-30 | 山东省医疗器械产品质量检验中心 | Universal vacuum test device for connecting sealing joint and sucking sputum tube residue |
| CN215023691U (en) * | 2020-11-25 | 2021-12-07 | 刘浩浩 | Infusion connects with forward flow |
| CN216319399U (en) * | 2021-09-17 | 2022-04-19 | 环心医疗科技(苏州)有限公司 | Vascular catheter sheath for interventional therapy |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2013141076A1 (en) * | 2012-03-19 | 2015-08-03 | テルモ株式会社 | Suction connector and tracheal tube |
| CN208582456U (en) * | 2017-09-18 | 2019-03-08 | 先健科技(深圳)有限公司 | Intervene catheter |
| CN108969872A (en) * | 2018-09-28 | 2018-12-11 | 南京普微森医疗科技有限公司 | A kind of balloon guide catheter |
| CN110030443A (en) * | 2019-05-17 | 2019-07-19 | 杭州科百特过滤器材有限公司 | Sealing duct connector |
| CN113974775B (en) * | 2021-11-17 | 2023-05-16 | 上海腾复医疗科技有限公司 | Sheath sealing device and thrombus aspiration system comprising same |
-
2022
- 2022-06-21 CN CN202210705678.4A patent/CN115153746B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210318899U (en) * | 2019-05-17 | 2020-04-14 | 杭州科百特过滤器材有限公司 | Sealed conduit joint |
| CN110075382A (en) * | 2019-05-29 | 2019-08-02 | 浙江伏尔特医疗器械股份有限公司 | A kind of multi-functional non-PVC material infusion apparatus |
| EP3772322A1 (en) * | 2019-08-06 | 2021-02-10 | Delmont Imaging SAS | Proximal lock adapter for a scope |
| CN215023691U (en) * | 2020-11-25 | 2021-12-07 | 刘浩浩 | Infusion connects with forward flow |
| CN112728251A (en) * | 2021-01-04 | 2021-04-30 | 伟鑫(广州)工业科技有限公司 | Axial seal structure of joint |
| CN214911230U (en) * | 2021-03-09 | 2021-11-30 | 山东省医疗器械产品质量检验中心 | Universal vacuum test device for connecting sealing joint and sucking sputum tube residue |
| CN113558683A (en) * | 2021-08-25 | 2021-10-29 | 张强 | Auxiliary connecting piece and soft endoscope auxiliary suction device |
| CN216319399U (en) * | 2021-09-17 | 2022-04-19 | 环心医疗科技(苏州)有限公司 | Vascular catheter sheath for interventional therapy |
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| CN115153746A (en) | 2022-10-11 |
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