CN113476101A - Hepatic portal blood flow blocking device for military training and emergency treatment - Google Patents
Hepatic portal blood flow blocking device for military training and emergency treatment Download PDFInfo
- Publication number
- CN113476101A CN113476101A CN202110935723.0A CN202110935723A CN113476101A CN 113476101 A CN113476101 A CN 113476101A CN 202110935723 A CN202110935723 A CN 202110935723A CN 113476101 A CN113476101 A CN 113476101A
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- Prior art keywords
- blood flow
- block
- handle
- emergency treatment
- blocking
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Classifications
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/132—Tourniquets
- A61B17/1322—Tourniquets comprising a flexible encircling member
- A61B17/1325—Tourniquets comprising a flexible encircling member with means for applying local pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Abstract
The invention discloses a hepatic portal blood flow blocker for military training and emergency treatment, which comprises a cushion block and a blocking belt, wherein a supporting rod is positioned at one end of the supporting rod, one end of the blocking belt is detachably connected with the cushion block, the other end of the blocking belt penetrates through the cushion block and extends into the supporting rod, a blocking ring for blocking hepatic portal blood flow is formed between the blocking belt and the cushion block, and one end of the blocking belt extending into the supporting rod is connected with an adjusting device capable of limiting the maximum pressure generated by the blocking ring on a hepatic portal. The hepatic portal blood flow blocker for military training and emergency treatment provided by the invention can effectively limit the maximum pressure on hepatic portal tissues when in use, prevent the hepatic portal tissues from being damaged and effectively improve the service performance of the hepatic portal blood flow blocker.
Description
Technical Field
The invention relates to the technical field of operation auxiliary appliances, in particular to a hepatic portal blood flow blocking device for military training and emergency treatment.
Background
In military training, accidents often happen, and abdominal trauma is the common trauma generated in military training. Liver trauma accounts for about 20% of abdominal trauma. The treatment of liver trauma is usually surgery to remove the damaged liver segment or lobe, and a very important part of the liver resection is the control of liver blood flow.
In the liver operation process, the silicone tube is wound outside the liver portal, then the silicone tube is manually tensioned and clamped to control the blood flow of the liver portal, and the manually tensioned force is completely based on subjective feeling and cannot be controlled, so that the liver portal is easily physically injured and the tissue of the liver portal is damaged in the operation process.
Disclosure of Invention
In order to solve the problems, the invention provides a hepatic portal blood flow blocking device for military training and emergency treatment, which can effectively control the strength of hepatic portal blood flow blocking and avoid physical injury to the hepatic portal.
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a military training is liver portal blood flow blocker for urgent treatment, includes that the bracing piece is located the cushion and the one end of bracing piece one end and can dismantle the area of blocking of being connected with the cushion, block to take the other end to pass in the cushion extends to the bracing piece, block to form between area and the cushion and block the ring of blocking the liver portal blood flow, block that the area extends to in the bracing piece one end be connected with one can restrict and block the adjusting device that the ring produced the maximum pressure to the liver portal.
Furthermore, a handle is arranged at one end of the supporting rod, which is far away from the cushion block, the adjusting device comprises a rotating shaft, a transmission shaft and a pressure adjusting mechanism, the rotating shaft is hollow inside and forms an installation cavity, the transmission shaft is sleeved in the rotating shaft, the blocking belt is wound on the rotating shaft, the rotating shaft is positioned in the handle and is rotationally connected with the handle, one end of the transmission shaft extends out of the handle, the other end of the transmission shaft is provided with an installation hole, the pressure adjusting mechanism comprises a pressing block, a pushing block and a positioning spring, the pressing block is positioned in the installation hole, the positioning spring is positioned between the pressing block and the pushing block, a first slope is arranged at one end, which is far away from the pressing block, of the pushing block, a connecting block is arranged at one side, which is far away from the pressing block, a second slope which is abutted against the first slope is arranged at one end, which is close to the pushing block, a connecting hole for the connecting block to pass through is arranged on the first installation hole, and a positioning groove for the connecting block to be clamped in is arranged on the installation cavity wall, the connecting block penetrates through the connecting hole and is clamped into the positioning groove, and the height of the connecting block is smaller than or equal to the sum of the diameter of the mounting hole and the height of the connecting hole.
Further, a sealing plate detachably connected with the transmission shaft is arranged at the end part of the mounting hole.
Furthermore, the two ends of the transmission shaft are sleeved with clamping rings positioned outside the handles, and the clamping rings are detachably connected with the transmission shaft.
Furthermore, a ratchet wheel which is coaxial with the rotating shaft is sleeved outside the rotating shaft, a pawl for limiting the rotating direction of the ratchet wheel is arranged in the handle, and an elastic sheet for pressing the pawl to be clamped with the ratchet wheel is arranged on one side, far away from the ratchet wheel, of the pawl.
Furthermore, a mounting seat is arranged in the handle, the elastic sheet is fixed on the mounting seat, the pawl is rotatably connected with the mounting seat, a mounting groove is formed in the handle, the mounting seat is slidably connected with the mounting groove, a reset spring is arranged between the mounting groove and the mounting seat, and the mounting seat is connected with an adjusting rod extending out of the handle.
Furthermore, the rotating shaft is sleeved with a wire spool, and the blocking tape is wound on the wire spool.
Furthermore, the inside of the supporting rod is provided with positioning wheels positioned at two sides of the blocking belt.
The invention has the following beneficial effects:
1. the hepatic portal blood flow blocker for military training and emergency treatment provided by the invention can limit the maximum pressure of the blocking ring on the hepatic portal tissue through the adjusting device when in use, prevent the hepatic portal tissue from being physically damaged due to excessive pressure tightening, and avoid secondary damage to treated personnel in the hemostasis process;
2. need not to set up needs electric drive's such as motor parts, whole journey can realize by doctor simple operation that the hepatic portal blood flow blocks or makes blood short duration circulate, keeps the function of liver organ, and it is not only convenient to use, can not have danger such as electric leakage yet, and is very safe.
Drawings
FIG. 1 is a schematic view of a blood flow blocker configuration;
FIG. 2 is an enlarged view of circle A in FIG. 1;
FIG. 3 is a schematic view of the adjustment device;
reference numerals: 1-support rod, 2-cushion block, 3-blocking belt, 4-handle, 5-rotating shaft, 6-transmission shaft, 7-pressing block, 8-pushing block, 9-positioning spring, 10-first slope, 11-connecting block, 12-snap ring, 13-ratchet wheel, 14-pawl, 15-elastic sheet, 16-mounting seat, 17-mounting groove, 18-reset spring, 19-adjusting rod, 20-wire reel and 21-positioning wheel.
Detailed Description
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed" and "in communication" are to be construed broadly, e.g., as meaning in fixed communication, in removable communication, or in integral communication; either mechanically or electrically; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
The embodiment provides a hepatic portal blood flow blocking device for military training and emergency treatment, please refer to fig. 1 and 2, which includes a cushion block 2 at one end of a support rod 1 and a blocking belt 3 detachably connected with the cushion block 2, wherein the support rod 1 may be a plastic component and mainly plays a supporting role, the blocking belt 3 may be a strip-shaped flat object made of a flexible medical material, the cushion block 2 may also be a block made of a medical flexible material, such as a medical rubber pad, the other end of the blocking belt 3 passes through the cushion block 2 and extends into the support rod 1, a blocking ring for blocking hepatic portal blood flow is formed between the blocking belt 3 and the cushion block 2, one end of the blocking belt 3 extending into the support rod 1 is connected with an adjusting device capable of limiting the maximum pressure of the blocking ring on the hepatic portal, that is, the blocking belt 3 can be pulled by the adjusting device, so as to adjust the size of the blocking ring, when stanching, the pressure that the porta hepatis tissue that the change is located to block the intra-annular receives controls the blood flow break-make, and adjusting device can control the maximum pressure that the porta hepatis tissue received again, protects the porta hepatis tissue, prevents that the porta hepatis tissue from receiving the injury.
As a specific embodiment of the adjusting device, please refer to fig. 3, one end of the support rod 1 far from the cushion block 2 is provided with a handle 4, the handle 4 is slightly larger in size for holding, the adjusting device comprises a rotating shaft 5 with a hollow interior forming an installation cavity, a transmission shaft 6 sleeved in the rotating shaft 5 and a pressure adjusting mechanism, the blocking belt 3 is wound on the rotating shaft 5, the rotating shaft 5 is located in the handle 4 and rotatably connected with the handle 4, i.e. the handle 4 is hollow, one end of the blocking belt 3 passes through the support rod 1 and extends into the handle 4 and is wound on the rotating shaft 5, the retraction of the blocking belt 3 is controlled by the rotating shaft 5, one end of the transmission shaft 6 extends out of the handle 4 for holding, thereby driving the transmission shaft 6 to rotate, the other end of the transmission shaft 6 is provided with an installation hole, the pressure adjusting mechanism comprises a pressing block 7 located in the installation hole, Ejector pad 8 and be located the positioning spring 9 between abutting block 7 and the ejector pad 8, ejector pad 8 is kept away from 7 one end of abutting block and is provided with first slope 10, ejector pad 8 is kept away from 7 one side of abutting block and is provided with a connecting block 11, connecting block 11 is close to 8 one end of ejector pad and is provided with the second slope that offsets with first slope 10, be provided with the connecting hole that supplies connecting block 11 to pass on the mounting hole one, be provided with the constant head tank that supplies connecting block 11 card to go into on the installation cavity wall, connecting block 11 passes in the constant head tank is gone into to the connecting hole card, and connecting block 11 highly be less than or equal to the diameter of mounting hole and the high sum of connecting hole. That is, the connecting block 11 is lifted up through the first slope 10, so that a part of the connecting block 11 is located in the mounting hole, and a part of the connecting block is located in the positioning groove, when the transmission shaft 6 rotates, due to the existence of the connecting block 11, the connecting block 11 can drive the rotating shaft 5 to synchronously rotate along with the connecting shaft, so that the rotating shaft 5 can pull back or release the blocking belt 3, namely block blood flow or restore blood flow, when the pressure of the blocking belt 3 on the hepatic portal tissue reaches the maximum, the connecting block 11 can receive the great reverse thrust when wanting to drive the rotating shaft 5 to rotate, the reverse thrust at the moment is large enough to enable the connecting block 11 to push the pushing block 8 to move backwards and compress the positioning spring 9, so that the connecting block 11 completely falls into the mounting hole, at the moment, the connection between the transmission shaft 6 and the rotating shaft 5 is separated, so that the rotating shaft 5 cannot rotate along with the connecting shaft, namely, the pressure of the blocking belt 3 on the hepatic portal tissue cannot be increased any more, and when playback hinders taking 3, when connecting block 11 removed to the constant head tank side, first slope 10 under positioning spring 9's promotion, can be automatic with connecting block 11 push the constant head tank in for transmission shaft 6 resumes with being connected of pivot 5, owing to be playback hinders taking 3 this moment, the thrust reversal is little, and transmission shaft 6 can easily drive pivot 5 and carry out synchronous revolution.
In a possible embodiment, the end of the mounting hole is provided with a sealing plate detachably connected with the transmission shaft 6, that is, the pressing block 7 and the pushing block 8 are both slidably connected with the mounting hole, the two ends of the positioning spring 9 can be respectively fixedly connected with the pressing block 7 and the pushing block 8, the sealing plate can be connected with the transmission shaft 6 through bolts, so as to prevent the pressing block 7 and the pushing block 8 from being separated from the mounting hole, and certainly, the maximum pressure can also be adjusted by adding a base plate in the mounting hole.
In a possible embodiment, the two ends of the transmission shaft 6 are sleeved with clamping rings 12 located outside the handle 4, and the clamping rings 12 are detachably connected with the transmission shaft 6, for example, by bolts, so that the relative positions of the transmission shaft 6 and the handle 4 can be effectively fixed, and the relative rotation of the transmission shaft 6 and the handle 4 cannot be affected.
In a possible implementation manner, a ratchet wheel 13 is sleeved outside the rotating shaft 5 and is coaxially arranged with the rotating shaft 5, that is, the ratchet wheel 13 is fixedly connected with the rotating shaft 5, the ratchet wheel 13 and the rotating shaft 5 rotate in the same step, a pawl 14 for limiting the rotating direction of the ratchet wheel 13 is arranged in the handle 4, an elastic sheet 15 for pressing the pawl 14 to be clamped with the ratchet wheel 13 is arranged on one side of the pawl 14 away from the ratchet wheel 13, that is, when the blocking belt 3 is tightened and the compression ring is reduced, the pawl 14 does not influence the rotation of the ratchet wheel 13, and the elastic sheet 15 can push the pawl 14 to clamp the ratchet wheel 13, so that the ratchet wheel 13 cannot rotate reversely, the rotating shaft 5 cannot rotate reversely, the blocking belt 3 can be automatically positioned, and the blocking belt 3 is prevented from loosening in the hemostasis process.
In a possible embodiment, a mounting seat 16 is disposed in the handle 4, the elastic sheet 15 is fixed on the mounting seat 16, the pawl 14 is rotatably connected with the mounting seat 16, a mounting groove 17 is disposed on the handle 4, the mounting seat 16 is slidably connected with the mounting groove 17, a return spring 18 is disposed between the mounting groove 17 and the mounting seat 16, the mounting seat 16 is connected with an adjusting rod 19 extending out of the handle 4, the adjusting rod 19 can be connected with the bottom of the mounting seat 16 and extends out of the handle 4 through the bottom wall of the mounting groove 17, when the blocking belt 3 needs to be discharged by reversely rotating the rotating shaft 5, the adjusting rod 19 can be pulled towards the outside, so that the mounting seat 16 retracts towards the inside of the mounting groove 17, the pawl 14 is separated from the ratchet 13, and the rotating shaft 5 can be driven by the rotating shaft 6 to rotate synchronously, and the blocking belt 3 is discharged.
In a possible embodiment, the rotating shaft 5 is sleeved with a wire spool 20, the blocking tape 3 is wound on the wire spool 20, the wire spool 20 rotates along with the rotating shaft 5 synchronously, and the position of the blocking tape 3 is limited by the wire spool 20.
In a possible implementation mode, the inside locating wheel 21 that is located the area 3 both sides of blocking that is provided with of bracing piece 1 utilizes locating wheel 21 to guide the area 3 of blocking, avoids blocking 3 squints in the area, can all set up the through-hole tip that supplies to block area 3 and pass on the cushion 2 to the fillet simultaneously, avoids causing the injury to the area 3 of blocking.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (8)
1. The utility model provides a military training is liver portal blood flow blocker for emergency treatment, its characterized in that, includes that bracing piece (1) is located cushion (2) and one end of bracing piece (1) one end and cushion (2) can dismantle the area of blocking (3) of being connected, block area (3) other end and pass cushion (2) and extend to bracing piece (1) in, block and form the ring of blocking the liver portal blood flow between area (3) and cushion (2), one end is connected with one and can restricts the adjusting device who blocks the ring and produce the maximum pressure to the liver portal in blocking area (3) extends to bracing piece (1).
2. The porta hepatis blood flow blocking device for the military training emergency treatment according to claim 1, wherein a handle (4) is arranged at one end of the supporting rod (1) far away from the cushion block (2), the adjusting device comprises a rotating shaft (5) with a hollow interior forming an installation cavity, a transmission shaft (6) sleeved in the rotating shaft (5) and a pressure adjusting mechanism, the blocking belt (3) is wound on the rotating shaft (5), the rotating shaft (5) is located in the handle (4) and is rotatably connected with the handle (4), one end of the transmission shaft (6) extends out of the handle (4), an installation hole is formed at the other end of the transmission shaft (6), the pressure adjusting mechanism comprises a pressing block (7) and a pushing block (8) located in the installation hole and a positioning spring (9) located between the pressing block (7) and the pushing block (8), a first slope (10) is arranged at one end of the pushing block (8) far away from the pressing block (7), push block (8) are kept away from to briquetting (7) one side and are provided with a connecting block (11), connecting block (11) are close to push block (8) one end and are provided with the second slope that offsets with first slope (10), be provided with the connecting hole that supplies connecting block (11) to pass on the mounting hole one, be provided with the constant head tank that supplies connecting block (11) card to go into on the installation cavity wall, connecting block (11) pass in connecting hole card goes into the constant head tank, and the diameter of connecting block (11) highly be less than or equal to the diameter of mounting hole and the high sum of connecting hole.
3. The hepatic portal blood flow blocking device for military training and emergency treatment of claim 2, wherein the end of the mounting hole is provided with a sealing plate detachably connected with the transmission shaft (6).
4. The hepatic portal blood flow blocking device for military training and emergency treatment of claim 3, wherein the two ends of the transmission shaft (6) are sleeved with clamping rings (12) positioned outside the handle (4), and the clamping rings (12) are detachably connected with the transmission shaft (6).
5. The hepatic portal blood flow blocking device for military training and emergency treatment according to claim 2, wherein a ratchet wheel (13) coaxially arranged with the rotating shaft (5) is sleeved outside the rotating shaft (5), a pawl (14) for limiting the rotating direction of the ratchet wheel (13) is arranged in the handle (4), and a spring sheet (15) for pressing the pawl (14) to be clamped with the ratchet wheel (13) is arranged on one side of the pawl (14) far away from the ratchet wheel (13).
6. The porta hepatis blood flow blocking device for military training and emergency treatment of claim 5, wherein a mounting seat (16) is arranged in the handle (4), the elastic sheet (15) is fixed on the mounting seat (16), the pawl (14) is rotatably connected with the mounting seat (16), a mounting groove (17) is formed in the handle (4), the mounting seat (16) is slidably connected with the mounting groove (17), a return spring (18) is arranged between the mounting groove (17) and the mounting seat (16), and the mounting seat (16) is connected with an adjusting rod (19) extending out of the handle (4).
7. The hepatic portal blood flow blocking device for military training and emergency treatment of claim 6, wherein the rotating shaft (5) is externally sleeved with a wire spool (20), and the blocking belt (3) is wound on the wire spool (20).
8. The hepatic portal blood flow blocking device for military training and emergency treatment according to claim 7, wherein the supporting rod (1) is internally provided with positioning wheels (21) at both sides of the blocking belt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110935723.0A CN113476101B (en) | 2021-08-16 | 2021-08-16 | Hepatic portal blood flow blocking device for military training and emergency treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110935723.0A CN113476101B (en) | 2021-08-16 | 2021-08-16 | Hepatic portal blood flow blocking device for military training and emergency treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113476101A true CN113476101A (en) | 2021-10-08 |
| CN113476101B CN113476101B (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110935723.0A Active CN113476101B (en) | 2021-08-16 | 2021-08-16 | Hepatic portal blood flow blocking device for military training and emergency treatment |
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| Country | Link |
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| CN (1) | CN113476101B (en) |
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| CN111265367A (en) * | 2020-03-27 | 2020-06-12 | 淳安县环程医疗器械有限公司 | Stretcher convenient to slope transport |
| CN111759366A (en) * | 2020-07-03 | 2020-10-13 | 河南省肿瘤医院 | Laparoscopic rectal cancer gripping device and using method thereof |
| CN213310074U (en) * | 2020-09-14 | 2021-06-01 | 成飞医院 | Hemostasis device for general surgery department operation |
| CN213606648U (en) * | 2020-02-19 | 2021-07-06 | 绍兴市人民医院 | Hepatic portal blocking bleeding device |
| CN213758927U (en) * | 2020-11-16 | 2021-07-23 | 李青梅 | Nerve intervention operation artery compression nursing device |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170035440A1 (en) * | 2012-12-04 | 2017-02-09 | The Seaberg Company, Inc. | Extremity tourniquet with locking buckle |
| US20170367753A1 (en) * | 2014-12-16 | 2017-12-28 | Lina Medical International Operations Ag | A surgical instrument |
| CN208551916U (en) * | 2017-09-01 | 2019-03-01 | 沈超 | A kind of trauma hemostasis device |
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|---|---|
| CN113476101B (en) | 2023-02-21 |
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