CN108159560B - Screw type gate valve for medical tube - Google Patents
Screw type gate valve for medical tube Download PDFInfo
- Publication number
- CN108159560B CN108159560B CN201711363633.9A CN201711363633A CN108159560B CN 108159560 B CN108159560 B CN 108159560B CN 201711363633 A CN201711363633 A CN 201711363633A CN 108159560 B CN108159560 B CN 108159560B
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- CN
- China
- Prior art keywords
- gate
- threshold
- hose
- screw rod
- gate valve
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims 1
- 238000000968 medical method and process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- 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
- A61M39/22—Valves or arrangement of valves
- A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
- A61M39/283—Screw clamps
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (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 upper part of the gate valve body is provided with a guide groove, and the upper end of the gate valve body is arranged in the guide groove; a central hole is formed in the upper surface of the guide groove, a screw rod is arranged in the central hole, and the lower end of the screw rod is connected with the threshold body; the side surface of the brake valve body is provided with a U-shaped groove, and any middle section of the hose can be placed in the U-shaped groove; a positioning groove is arranged on the connecting section below the left and right turning parts, and the positioning table of the threshold body is placed in the positioning groove; a threshold is arranged above the middle part of the threshold body, and a lower threshold of the gate body is arranged below the gate body; the upper surface of the central hole of the brake valve body is provided with a threaded cover plate. The lower end of the screw rod is provided with a T-shaped head, the upper end of the gate body is provided with a T-shaped groove, the T-shaped head and the T-shaped groove are matched with each other, and the upper end of the screw rod is provided with a handle.
Description
Technical Field
The invention relates to a pipe valve, in particular to a screw type gate valve for a medical tube, which is applied to the control of the circulation and the cut-off of a medical tube in the medical process.
Background
In medical procedures, flexible medical tubes are often used as delivery tubes, constituting extracorporeal circulation circuits or infusion lines for assisted circulation of body fluids such as blood or drug solutions, etc. Flexible medical tubing is used with a clamp device molded from resin to allow the medical tubing to be closed in the desired position as needed. The current clamping device has poor reliability and risks that the medical tube cannot be completely disconnected. Chinese patent application No.: 201610230121.4A medical tube clamp comprises a shell, wherein the shell is provided with a cavity which is through from front to back, the top of the shell is provided with a window which is through with the cavity, the medical tube clamp further comprises a slide block which is matched with the window and can slide up and down, the slide block is communicated with the shell through a lead screw transmission structure, the lead screw transmission structure comprises a lead screw and guide posts which are arranged side by side and distributed on two sides of the slide block, the lead screw penetrates through the slide block and is in threaded connection with the slide block, the bottom of the lead screw is rotatably connected with the bottom of the cavity, the guide posts penetrate through the slide block and. This patent application adopts the helicitic texture, and operational reliability can improve, but, both sides have all adopted lead screw and guide pillar for operation and structure are a bit complicated.
Disclosure of Invention
In order to further improve the test tube rack series, the invention provides the screw type gate valve for the medical tube, which uses a screw rod, and has simple structure and convenient operation. And the pipe clamp can be installed at any middle position of the medical hose in the medical treatment process afterwards.
The technical scheme adopted by the invention for solving the technical problems is as follows: the upper part of the gate valve body is provided with a guide groove, and the upper end of the gate valve body is arranged in the guide groove; a central hole is formed in the upper surface of the guide groove, a screw rod is arranged in the central hole, and the lower end of the screw rod is connected with the threshold body; the side surface of the brake valve body is provided with a U-shaped groove, and any middle section of the hose can be placed in the U-shaped groove; a positioning groove is arranged on the connecting section below the left and right turning parts, and the positioning table of the threshold body is placed in the positioning groove; a threshold is arranged above the middle part of the threshold body, and a lower threshold of the gate body is arranged below the gate body; the upper surface of the central hole of the brake valve body is provided with a threaded cover plate. The lower end of the screw rod is provided with a T-shaped head, the upper end of the gate body is provided with a T-shaped groove, the T-shaped head and the T-shaped groove are matched with each other, and the upper end of the screw rod is provided with a handle.
The method for installing the gate unit of the screw type gate valve for the medical tube comprises the steps of screwing a cover plate bolt hole on a threaded cover plate on the upper part of a screw, inserting the screw with the threaded cover plate into a central hole, downwards arranging a lower sill of a gate body of the gate body, and placing the gate body below the gate valve body from the middle of a left corner and a right corner; inserting a T-shaped groove at the upper end of the gate body into the T-shaped head from the side surface; aligning the upper end of the gate body to the guide groove, and then integrally pushing the gate body and the screw rod upwards into the guide groove; and then the threaded cover plate on the upper part of the screw rod is rotated downwards to be in contact with the upper surface of the brake valve body, so that the bolt hole of the cover plate is aligned with the bolt hole of the brake valve body, and finally the bolt penetrates through and is locked.
The use method of the screw type gate valve for the medical tube is characterized in that the screw is rotated to heighten the highest point of a gate body, so that the opening of a U-shaped groove is maximized; placing the middle section of the hose into a U-shaped groove of a gate valve body, pushing the hose towards the direction of the gate valve body by using fingers to extrude a space below the hose, inserting a threshold body inwards from the middle of the left and right turning positions of the gate valve body until a positioning table is placed in a positioning groove, installing the threshold body in place, loosening the fingers to enable the hose to freely fall back on the threshold, and installing the screw gate valve for the medical tube; when the hose needs to be cut off, the screw type gate valve for the medical tube is held by a hand, the handle is rotated by the other hand, the gate body slides downwards in the guide groove until the gap between the lower threshold and the threshold of the gate body is smaller than the wall thickness of the hose twice, the upper inner wall and the lower inner wall of the hose are pressed together, and the hose is cut off.
The screw type gate valve for the medical tube has the advantages that the screw type gate valve for the medical tube uses one screw rod, and is simple in structure, convenient to operate and good in reliability. And the pipe clamp can be installed at any middle position of the medical hose in the medical treatment process afterwards. For example, when one end of the flexible medical tube is connected to medical equipment and the other end of the flexible medical tube is connected to a human body, the screw type gate valve for the medical tube can be arbitrarily installed in the middle section of the flexible tube according to needs in the medical process, and a convenient and reliable screw type gate valve for the medical tube is provided for the medical process.
Drawings
Fig. 1 is a three-dimensional schematic view of a screw gate valve for a medical tube.
FIG. 2 is a three-dimensional schematic view of the gate valve body cut away in one quarter.
Fig. 3 is a view of the gate valve unit in the direction a.
FIG. 4 is a schematic view of the A-direction of the screw type gate valve for medical tube.
Fig. 5 is a schematic diagram of a medical tube with a screw gate valve cut away to a quarter of the working state.
FIG. 6 is a schematic view of a screw gate valve threshold for a medical tube.
In the figure, 1, a gate valve body, 11, a corner, 12, a U-shaped groove, 13, a guide groove, 14, a central hole, 15, a gate valve body bolt hole, 16, a positioning groove, 2, a threshold body, 21, a threshold, 22, a positioning table, 3, a gate body, 31, a gate body lower threshold, 32, a T-shaped groove, 4, a screw rod, 41, a T-shaped head, 5, a handle, 6, a threaded cover plate, 61, a cover plate bolt hole and 7 a hose.
Detailed Description
In the figure, the screw type gate valve for the medical tube is characterized in that a guide groove 13 is arranged at the upper part of a gate valve body 1, and the upper end of a gate body 3 is arranged in the guide groove 13; a central hole 14 is formed in the upper surface of the guide groove 13, a screw rod 4 is installed in the central hole 14, and the lower end of the screw rod 4 is connected with the threshold body 2; a U-shaped groove 12 is formed in the side face of the brake valve body 1, and any middle section of the hose 7 can be placed in the U-shaped groove 12; a positioning groove 16 is arranged on the connecting section below the left and right turning parts 11, and a positioning table 22 of the threshold body 2 is arranged in the positioning groove 16; a threshold 21 is arranged above the middle part of the threshold body 2, and a lower threshold 31 of the gate body is arranged below the gate body 3; the upper surface of the central hole 14 of the brake valve body 1 is provided with a threaded cover plate 6. The lower end of the screw rod 4 is provided with a T-shaped head 41, the upper end of the gate body 3 is provided with a T-shaped groove 32, the T-shaped head 41 and the T-shaped groove 32 are matched with each other, and the upper end of the screw rod 4 is provided with a handle 5.
A method for installing a gate unit of a screw gate valve for a medical tube comprises the steps of screwing a cover plate bolt hole 61 on a threaded cover plate 6 on the upper part of a screw 4, inserting the screw 4 with the threaded cover plate 6 into a central hole 14, downwards arranging a gate body lower sill 31 of a gate body 3, and putting the gate body 1 from the middle of a left corner 11 and a right corner 11 into the lower part of the gate body; inserting the T-shaped groove 32 at the upper end of the gate body 3 into the T-shaped head 41 from the side; aligning the upper end of the gate body 3 with the guide groove 13, and then integrally pushing the gate body and the screw rod 4 upwards into the guide groove 13; and then the threaded cover plate 6 on the upper part of the screw rod 4 is rotated downwards to be in contact with the upper surface of the brake valve body 1, so that the cover plate bolt hole 61 is aligned with the brake valve body bolt hole 15, and finally the bolt penetrates through and is locked.
The use method of the screw type gate valve for the medical tube is that the screw 4 is rotated to heighten the highest point of the gate body 3, so that the opening of the U-shaped groove 12 is the largest; putting the middle section of the hose 7 into a U-shaped groove 12 of the gate valve body 1, pushing and pressing the hose 7 towards the gate body 3 by using fingers to extrude a space below the hose 7, inwards inserting the doorsill body 2 from the middle of a left turning part 11 and a right turning part 11 of the gate valve body 1 until the positioning table 22 is placed in the positioning groove 16, installing the doorsill body 2 in place, loosening the fingers to enable the hose 7 to freely fall back on the doorsill 21, and installing the medical screw type gate valve for the medical tube; when the hose 7 needs to be cut off, the screw type gate valve for the medical tube is held by hand, the handle 5 is rotated by the other hand, the gate body 3 slides downwards in the guide groove 13 until the gap between the gate body lower threshold 31 and the threshold 21 is smaller than twice the wall thickness of the hose 7, the upper inner wall and the lower inner wall of the hose 7 are pressed together, and the hose 7 is cut off. In actual operation, whether to stop operation is determined according to the change state of the fluid in the hose 7, the pressed state of the hose 7 and the change of the hand feeling of the handle 5 caused by the pressure.
Claims (1)
1. Screw gate valve for medical tube, characterized by: the upper part of the gate valve body (1) is provided with a guide groove (13), and the upper end of the gate valve body (3) is arranged in the guide groove (13); a central hole (14) is formed in the upper surface of the guide groove (13), a screw rod (4) is installed in the central hole (14), and the lower end of the screw rod (4) is connected with the gate body (3); a U-shaped groove (12) is formed in the side face of the brake valve body (1), and any middle section of the hose (7) can be directly placed in the U-shaped groove (12); a positioning groove (16) is arranged on the connecting section below the left and right turning parts (11), and a positioning table (22) of the threshold body (2) is placed in the positioning groove (16); a threshold (21) is arranged above the middle part of the threshold body (2), and a lower threshold (31) of the gate body is arranged below the gate body (3); the threshold (21) and the lower threshold (31) are opposite straight thresholds, and the threshold (21) and the lower threshold (31) are vertical to the hose (7);
a threaded cover plate (6) is arranged on a central hole (14) of the brake valve body (1);
the lower end of the screw rod (4) is provided with a T-shaped head (41);
the upper end of the gate body (3) is provided with a T-shaped groove (32), and a T-shaped head (41) is matched with the T-shaped groove (32);
the installation and use method of the screw type gate valve for the medical tube is characterized in that: screwing a cover plate bolt hole (61) on a threaded cover plate (6) on the upper part of a screw rod (4), inserting the screw rod (4) with the threaded cover plate (6) into a central hole (14), then downwards positioning a lower sill (31) of a gate body (3) and placing the gate body (1) from the middle of a left corner and a right corner (11); inserting a T-shaped groove (32) at the upper end of the gate body (3) into a T-shaped head (41) from the side surface; the upper end of the gate body (3) is aligned to the guide groove (13), and then the gate body and the screw (4) are integrally pushed upwards into the guide groove (13); then the threaded cover plate (6) at the upper part of the screw rod (4) is rotated downwards to be contacted with the upper surface of the brake valve body (1), a cover plate bolt hole (61) is aligned with a brake valve body bolt hole (15), and finally a bolt penetrates through and is locked; the screw rod (4) is rotated to heighten the highest point of the gate body (3) and maximize the opening of the U-shaped groove (12); directly placing the middle section of a hose (7) into a U-shaped groove (12) of a gate valve body (1), pushing and pressing the hose (7) towards the direction of a gate body (3) by using fingers to enable the lower part of the hose (7) to extrude space, inwards inserting a threshold body (2) from the middle part of a left turning part and a right turning part (11) of the gate valve body (1) until a positioning table (22) is placed in a positioning groove (16), installing the threshold body (2) in place, loosening the fingers to enable the hose (7) to freely fall back on the threshold (21), and installing a screw type gate valve for a medical tube; when the hose (7) needs to be cut off, the screw type gate valve for the medical tube is held by hand, the handle (5) is rotated by the other hand, the gate body (3) slides downwards in the guide groove (13) until the gap between the lower threshold (31) and the threshold (21) of the gate body is smaller than twice the wall thickness of the hose (7), the upper inner wall and the lower inner wall of the hose (7) are pressed together, and the hose (7) is cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363633.9A CN108159560B (en) | 2017-12-18 | 2017-12-18 | Screw type gate valve for medical tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363633.9A CN108159560B (en) | 2017-12-18 | 2017-12-18 | Screw type gate valve for medical tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108159560A CN108159560A (en) | 2018-06-15 |
| CN108159560B true CN108159560B (en) | 2021-05-11 |
Family
ID=62522232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711363633.9A Expired - Fee Related CN108159560B (en) | 2017-12-18 | 2017-12-18 | Screw type gate valve for medical tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108159560B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224285B (en) * | 2018-07-12 | 2021-03-05 | 合肥市第二人民医院 | Negative pressure drainage tube connecting device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2314767A (en) * | 1942-03-18 | 1943-03-23 | Burrell Technical Supply Compa | Adjustable rubber valve |
| US2902248A (en) * | 1957-01-22 | 1959-09-01 | Mead Johnson & Co | Flow regulator |
| US3042067A (en) * | 1960-06-09 | 1962-07-03 | Hidding Walter | Tube clamp |
| US3167085A (en) * | 1962-02-12 | 1965-01-26 | Abbott Lab | Flow regulating device |
| US3332439A (en) * | 1965-08-18 | 1967-07-25 | Burron Medical Prod Inc | Flow regulating apparatus |
| US3584830A (en) * | 1968-10-18 | 1971-06-15 | Wilbur R Koehn | Clamp for resilient tubing |
| WO2006041999A1 (en) * | 2004-10-05 | 2006-04-20 | Ames Rubber Corporation | Pinch clamp for flexible tubing |
| CN201139837Y (en) * | 2007-11-29 | 2008-10-29 | 姜自兰 | Speed regulating switch for transfusion utensil |
| CN102824688A (en) * | 2012-09-13 | 2012-12-19 | 张亚平 | Dividing cut-off clip for safety vein puncture needle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4616802A (en) * | 1984-12-06 | 1986-10-14 | Baxter Travenol Laboratories, Inc. | Tubing occluder |
| US20150018783A1 (en) * | 2013-07-12 | 2015-01-15 | Linda Louise MYERS | System, method and apparatus for silent suction tubing |
| CN204344988U (en) * | 2014-12-30 | 2015-05-20 | 武汉浩宏科技有限公司 | A kind of electromagnetic clamp pipe valve applied in ultrasonic clear stone equipment |
| CN107206227B (en) * | 2015-02-03 | 2021-06-01 | 日机装株式会社 | Clamping device |
-
2017
- 2017-12-18 CN CN201711363633.9A patent/CN108159560B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2314767A (en) * | 1942-03-18 | 1943-03-23 | Burrell Technical Supply Compa | Adjustable rubber valve |
| US2902248A (en) * | 1957-01-22 | 1959-09-01 | Mead Johnson & Co | Flow regulator |
| US3042067A (en) * | 1960-06-09 | 1962-07-03 | Hidding Walter | Tube clamp |
| US3167085A (en) * | 1962-02-12 | 1965-01-26 | Abbott Lab | Flow regulating device |
| US3332439A (en) * | 1965-08-18 | 1967-07-25 | Burron Medical Prod Inc | Flow regulating apparatus |
| US3584830A (en) * | 1968-10-18 | 1971-06-15 | Wilbur R Koehn | Clamp for resilient tubing |
| WO2006041999A1 (en) * | 2004-10-05 | 2006-04-20 | Ames Rubber Corporation | Pinch clamp for flexible tubing |
| CN201139837Y (en) * | 2007-11-29 | 2008-10-29 | 姜自兰 | Speed regulating switch for transfusion utensil |
| CN102824688A (en) * | 2012-09-13 | 2012-12-19 | 张亚平 | Dividing cut-off clip for safety vein puncture needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108159560A (en) | 2018-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Hongmei Inventor after: Wang Jianhua Inventor after: Lin Mengting Inventor after: Other inventor requests not to publish the name Inventor before: Request for anonymity |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210421 Address after: Blood purification center of Qingdao Municipal Hospital, No.1 Jiaozhou Road, Shibei District, Qingdao, Shandong Province Applicant after: QINGDAO MUNICIPAL Hospital Address before: 443002 Shiziling Road, Xiling District, Yichang City, Hubei Province, 10-102 Applicant before: Xu Changyi |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |