CN110522987B - Cardiovascular patient's operation advancing device - Google Patents

Cardiovascular patient's operation advancing device Download PDF

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Publication number
CN110522987B
CN110522987B CN201910818472.0A CN201910818472A CN110522987B CN 110522987 B CN110522987 B CN 110522987B CN 201910818472 A CN201910818472 A CN 201910818472A CN 110522987 B CN110522987 B CN 110522987B
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rotating
clamping
handheld box
adjusting
pressing
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CN110522987A (en
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牛君义
黄哈巴日
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Affiliated Hospital Of Inner Mongolia Medical University
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Affiliated Hospital Of Inner Mongolia Medical University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0116Steering means as part of the catheter or advancing means; Markers for positioning self-propelled, e.g. autonomous robots

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Robotics (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a cardiovascular patient operation propulsion device, which comprises a handheld box, an inlet port arranged at the left end of the handheld box and used for an operation tube A to enter, and an outlet port arranged at the right end of the handheld box and used for an operation tube A to extend out, wherein a clamping and feeding part used for clamping the operation tube and realizing the feeding of the operation tube is arranged in the handheld box; the clamping and feeding component comprises two vertical rods which are arranged inside the handheld box and are arranged in parallel, two beams which are arranged in parallel are erected between the two vertical rods, each beam is provided with a first rotating wheel and a second rotating wheel in a rotating mode through a fixed shaft, and a connecting line between the two rotating wheels is parallel to the beams.

Description

Cardiovascular patient's operation advancing device
Technical Field
The invention relates to the technical field of cardiovascular patient operation equipment, in particular to a cardiovascular patient operation propulsion device.
Background
In cardiac or large vessel surgery, it is often necessary to insert a surgical catheter into the body, and these cannula procedures rely entirely on the medical staff holding the cannula and inserting it into the surgical incision. The manual operation has high requirements on operators, and the stability and accuracy of the handheld cannula are difficult to master.
Chinese patent 2012102651582 discloses a fixing clamp for cardiovascular operation cannula, which can clamp the end of the cannula during operation, and can improve the accuracy and stability of the cannula operation to a certain extent by holding the fixing clamp during the cannula operation. However, the fixing clamp only can play a role in fixing the cannula and facilitating hand holding, the action of pushing the cannula cannot be realized, the operation of the cannula is still realized by moving the arm by an operator in the operation of the cannula, and for unskilled doctors, it is very difficult to accurately and stably move the arm in the operation process.
In order to overcome the disadvantages of the above-mentioned patents, the prior patent publication No. CN106267529B discloses a propeller, which realizes the feeding operation, but the device has a too small area to act on the pipe, which is not favorable for ensuring that the pipe is in a full state, and has a high requirement on the pipe, and generally, when inserting the pipe, a rotating action needs to be added during feeding to ensure that the feeding is more smooth, but the prior device cannot add such operation to the pipe.
In view of the shortcomings of the prior art devices, an improved surgical propulsion device for cardiovascular patients is now provided.
Disclosure of Invention
The present invention aims to provide a surgical propulsion device for cardiovascular patients, which solves the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a cardiovascular patient operation propulsion device comprises a handheld box, an inlet port arranged at the left end of the handheld box and used for an operation tube A to enter, and an outlet port arranged at the right end of the handheld box and used for an operation tube A to extend out, wherein a clamping and feeding part used for clamping the operation tube A and realizing feeding of the operation tube A is arranged in the handheld box;
the clamping and feeding component comprises two vertical rods which are arranged inside the handheld box and are arranged in parallel, two beams which are arranged in parallel are erected between the two vertical rods, each beam is provided with a first rotating wheel and a second rotating wheel in a rotating mode through a fixed shaft, a connecting line between the two rotating wheels is parallel to the beams, the input end of one rotating wheel is provided with a driven belt wheel, the driven belt wheel is in transmission connection with the output end of a driving motor installed on the beam through a transmission belt, and the outer sides of the first rotating wheel and the second rotating wheel are in transmission connection through a transmission belt;
the clamping and feeding component is further provided with a pressing and adjusting assembly for adjusting the distance between two transmission belts to adjust the pressing degree, the pressing and adjusting assembly comprises sliding sleeves arranged at two ends of one of the cross beams, the sliding sleeves are sleeved on the vertical rods in a sliding mode, side rods are arranged on the surface of the vertical rod on one side of each sliding sleeve, the side rods and the sliding sleeves are fixedly connected through reset springs, the pressing and adjusting assembly further comprises a fixed bearing ring arranged on the right sliding sleeve, a rotating ring plate is fixed to the outer ring of the fixed bearing ring, an adjusting rod is rotatably arranged on the side face of a handheld box where the rotating ring plate is located, an adjusting cam used for abutting against the arc face of the rotating ring plate is arranged at the inner end of the adjusting rod, and a pressing knob convenient to hold by hand is arranged at the outer end of the adjusting rod;
the handheld box is internally provided with a rotating assembly used for driving the clamping part to rotate so as to realize the rotary feeding of the surgical tube A.
As a further scheme of the invention: the rotating assembly comprises an inner toothed ring arranged on the outer side of the left vertical rod, an adjusting rod is arranged on the surface of the handheld box where the inner toothed ring is located in a rotating mode, a rotary feeding knob is arranged at the outer end of the adjusting rod, a driving gear meshed with the inner toothed ring is arranged at the inner end of the adjusting rod, and the outer end of the vertical rod is connected with a rotating bearing inner ring arranged on the inner wall of the handheld box.
As a further scheme of the invention: the driving motor is electrically connected with a storage battery arranged on the cross beam, and the clamping and feeding part is electrically connected with a control button arranged on the outer side of the handheld box.
As a further scheme of the invention: the transmission band is provided with a pressing groove for pressing the surgical tube A.
As a further scheme of the invention: and a sponge layer for playing a role of buffering is arranged in the pressing groove.
As a further scheme of the invention: the inner gear ring is provided with two limiting blocks for limiting the rotation amplitude of the inner gear ring, and the two limiting blocks divide the inner gear ring into a part to three parts.
As a further scheme of the invention: the inlet port is provided with a conical hopper for pouring materials.
As a further scheme of the invention: the inner wall of the handheld box is provided with an ultraviolet lamp for sterilizing the operation tube A.
Compared with the prior art, the invention has the beneficial effects that: the invention improves the defects of the prior device, increases the clamping area of the surgical tube, reduces the local pressure of the surgical tube, avoids the problem of compression deformation, and adds a rotation action while feeding the surgical tube, thereby ensuring that the feeding is smoother and the practicability is strong.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a transfer belt according to the present invention.
Fig. 3 is a schematic structural view of the inner gear ring and the vertical rod of the present invention.
Wherein: the surgical instrument comprises a handheld box 100, an inlet end 101, an outlet end 102, a control button 103, a vertical rod 104, a rotary bearing 105, a clamping and feeding part 2, a first rotary wheel 21, a driving motor 22, a transmission belt 23, a pressing groove 231, a second rotary wheel 24, a fixed shaft 25, a cross beam 26, a pressing and adjusting assembly 3, a fixed bearing ring 31, a rotary ring plate 32, a pressing and adjusting knob 33, an adjusting cam 34, a return spring 35, a side rod 36, a rotating assembly 4, an internal gear ring 41, a rotary feeding knob 42, a driving gear 43, a sliding sleeve 5 and a surgical tube A.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, a cardiovascular patient operation propulsion device includes a handheld box 100, an inlet 101 disposed at a left end of the handheld box for an operation tube a to enter, and an outlet 102 disposed at a right end of the handheld box for an operation tube a to extend out, a conical hopper for dumping is disposed at the inlet 101, and a clamping and feeding component 2 for clamping and feeding the operation tube a is disposed inside the handheld box 100;
the clamping and feeding part 2 comprises two vertical rods 104 which are arranged inside the handheld box 100 and are arranged in parallel, two beams 26 which are arranged in parallel are erected between the two vertical rods 104, each beam 26 is provided with a first rotating wheel 21 and a second rotating wheel 24 in a rotating mode through a fixed shaft 25, a connecting line between the two rotating wheels is parallel to the beam 26, the input end of one rotating wheel is provided with a driven pulley, the driven pulley is in transmission connection with the output end of a driving motor 22 arranged on the beam 26 through a transmission belt, the driving motor 22 is electrically connected with a storage battery arranged on the beam 26, the outer sides of the first rotating wheel 21 and the second rotating wheel 24 are in transmission connection through a transmission belt 23, the transmission belt 23 is provided with a pressing groove 231 for pressing the surgical tube A, a sponge layer for buffering is arranged in the pressing groove 231, and one of the rotating wheels is driven to rotate through the driving motor 22, the two rotating wheels are used for driving the transmission belt 23 to rotate, the transmission belt 23 can provide a driving force for the surgical tube A, and therefore feeding of the surgical tube A is achieved, the transmission belt 23 is arranged, the clamping area of the surgical tube A is increased, and the defect that the surgical tube A is large in local compression deformation is overcome;
the clamping and feeding component 2 is electrically connected with a control button 103 arranged outside the handheld box 100.
The clamping and feeding component 2 is further provided with a pressing and adjusting assembly 3 for adjusting the distance between two transmission belts 23 to adjust the pressing degree, the pressing and adjusting assembly 3 comprises sliding sleeves 5 arranged at two ends of one of the cross beams 26, the sliding sleeves 5 are slidably sleeved on the vertical rod 104, a side rod 36 is arranged on the surface of the vertical rod 104 on one side of the sliding sleeve 5, the side rod 36 and the sliding sleeves 5 are fixedly connected through a return spring 35, under the action of the return spring 35, the two transmission belts 23 can always keep a larger distance for insertion of surgical tubes A with different diameters, the pressing and adjusting assembly 3 further comprises a fixed bearing ring 31 arranged on the right sliding sleeve 5, a rotating ring plate 32 is fixed on the outer ring of the fixed bearing ring 31, an adjusting rod is rotatably arranged on the side surface of the handheld box 100 where the rotating ring plate 32 is located, and an adjusting cam 34 for abutting against the arc surface of the rotating ring plate 32 is arranged at the inner end of the adjusting rod, the outer end of the adjusting rod is provided with a pressing knob 33 convenient to hold, when the device is in practical use, the pressing knob 33 drives the adjusting cam 34 to rotate, the adjusting cam 34 can generate a downward acting force on the rotating ring plate 32, the sliding sleeve 5 is further driven to slide along the vertical rod 104, the two transmission belts 23 are close to or far away from each other, and therefore the pressing degree of the surgical tube A is adjusted.
The utility model discloses a handheld case 100, including handheld case 100, be equipped with the rotating assembly 4 that is used for driving clamping part 2 to rotate in order to realize that operation tube A rotatory feeds in the inside, rotating assembly 4 is including setting up the interior ring gear 41 in the vertical pole 104 outside of left side, the handheld case 100 surface rotation at interior ring gear 41 place is equipped with the regulation pole, the outer tip of regulation pole is equipped with rotatory feed knob 42, and its inner end is equipped with the drive gear 43 with interior ring gear 41 intermeshing, vertical pole 104 outer end and the rolling bearing 105 inner circle connection that sets up at handheld case 100 inner wall drive gear 43 through rotatory feed knob 42 and rotate, and drive gear 43 drives vertical pole 104 and rotates to drive clamping feed part 2 and rotate, realized like this that clamping feed part 2 centre gripping's operation tube A's rotation, provide a revolving force for operation tube A when feeding, make the intubate more smooth.
In order to avoid damage to the operating tube a caused by rotation, two limiting blocks for limiting the rotation amplitude of the operating tube a are arranged on the inner gear ring 41, and the inner gear ring 41 is divided into one to three parts by the two limiting blocks, so that the driving gear 43 can only drive the inner gear ring 41 to rotate by a quarter of a circle, and thus, a person does not need to worry about sprain caused by rotation to the operating tube a, and meanwhile, the way of limiting the rotation amplitude also avoids the failure of pressing the adjusting part 3.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A cardiovascular patient operation propulsion device comprises a handheld box (100), an inlet port (101) arranged at the left end of the handheld box and used for an operation tube A to enter, and an outlet port (102) arranged at the right end of the handheld box and used for an operation tube A to extend out, wherein a clamping and feeding part (2) used for clamping the operation tube A and realizing the feeding of the operation tube A is arranged in the handheld box (100);
the clamping and feeding device is characterized in that the clamping and feeding component (2) comprises two vertical rods (104) which are arranged inside a handheld box (100) and are arranged in parallel, two beams (26) which are arranged in parallel are erected between the two vertical rods (104), each beam (26) is rotatably provided with a first rotating wheel (21) and a second rotating wheel (24) through a fixed shaft (25), a connecting line between the two rotating wheels is parallel to the beam (26), the input end of one rotating wheel is provided with a driven pulley, the driven pulley is in transmission connection with the output end of a driving motor (22) arranged on the beam (26) through a transmission belt, and the outer sides of the first rotating wheel (21) and the second rotating wheel (24) are in transmission connection through a transmission belt (23);
a rotating assembly (4) for driving the clamping and feeding part (2) to rotate so as to realize the rotary feeding of the surgical tube A is arranged in the handheld box (100);
the clamping and feeding component (2) is further provided with a pressing and adjusting assembly (3) used for adjusting the distance between two transmission belts (23) to adjust the pressing degree, the pressing and adjusting assembly (3) comprises sliding sleeves (5) arranged at two ends of one of the cross beams (26), the sliding sleeves (5) are sleeved on the vertical rods (104) in a sliding mode, side rods (36) are arranged on the surface of the vertical rods (104) on one side of the sliding sleeves (5), the side rods (36) and the sliding sleeves (5) are fixedly connected through return springs (35), the pressing and adjusting assembly (3) further comprises fixed bearing rings (31) arranged on the sliding sleeves (5) on the right side, rotating ring plates (32) are fixed on the outer rings of the fixed bearing rings (31), adjusting rods are rotatably arranged on the side faces of the handheld box (100) where the rotating ring plates (32) are located, and adjusting cams (34) used for abutting against the arc faces of the rotating ring plates (32) are arranged at the inner end portions of the adjusting rods, the outer end of the adjusting rod is provided with a pressing knob (33) convenient to hold;
the rotating assembly (4) comprises an inner toothed ring (41) arranged on the outer side of a left vertical rod (104), an adjusting rod is rotatably arranged on the surface of a handheld box (100) where the inner toothed ring (41) is located, a rotating feed knob (42) is arranged at the outer end of the adjusting rod, a driving gear (43) meshed with the inner toothed ring (41) is arranged at the inner end of the adjusting rod, and the outer end of the vertical rod (104) is connected with an inner ring of a rotating bearing (105) arranged on the inner wall of the handheld box (100);
the inner gear ring (41) is provided with two limiting blocks for limiting the rotation amplitude of the inner gear ring, and the two limiting blocks divide the inner gear ring (41) into a part to three parts.
2. The cardiovascular patient surgical propulsion device according to claim 1, characterized in that the drive motor (22) is electrically connected to a battery arranged on the cross beam (26), and the grip feed member (2) is electrically connected to a control button (103) arranged outside the hand-held case (100).
3. The surgical advancing device for cardiovascular patients according to claim 1, characterized in that the transmission belt (23) is provided with a pressing groove (231) for pressing the surgical tube A.
4. A cardiovascular patient surgical advancing device according to claim 3, characterized in that a sponge layer for cushioning is provided in the compacting groove (231).
5. The cardiovascular patient surgical advancing device of claim 1, wherein a conical hopper for dumping is provided at the inlet port (101).
6. The cardiovascular patient surgical propulsion device according to any of claims 1 to 5, characterized in that the inner wall of the hand-held box (100) is provided with UV lamps for sterilizing the surgical tube A.
CN201910818472.0A 2019-08-30 2019-08-30 Cardiovascular patient's operation advancing device Active CN110522987B (en)

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CN201910818472.0A CN110522987B (en) 2019-08-30 2019-08-30 Cardiovascular patient's operation advancing device

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CN110522987B true CN110522987B (en) 2022-06-17

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111481803A (en) * 2020-04-15 2020-08-04 颜毅 Novel uropoiesis is introducer for surgery
CN111467654A (en) * 2020-04-21 2020-07-31 梁国莉 Cardiovascular operation intubation propeller for cardiac surgery
CN112827054A (en) * 2021-01-07 2021-05-25 冯俊波 Intubation propulsion device suitable for large blood vessel operation
CN112891121B (en) * 2021-02-04 2022-06-14 安徽永序物联科技有限公司 Intelligent auxiliary device in cerebrovascular intervention operation
CN113769236A (en) * 2021-07-30 2021-12-10 青岛大学附属医院 A intervene pipe auxiliary device for emergency nursing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203090191U (en) * 2013-01-10 2013-07-31 滨州医学院附属医院 Automatic stomach tube interposer
CN103083783B (en) * 2013-02-25 2014-07-23 中国科学院自动化研究所 Clamping-based catheter or clamping-based guide wire operating device for vessel interventional operation
WO2014143746A2 (en) * 2013-03-15 2014-09-18 Corindus, Inc. Guide wire or working catheter with modified drive surface
CN104840257B (en) * 2015-05-22 2018-04-13 林健泽 A kind of interposing catheter conveying and recycling guidance robot
CN207980154U (en) * 2017-07-27 2018-10-19 张宇 Cardiovascular surgery propeller
CN208287322U (en) * 2017-08-01 2018-12-28 郑州市中医院 A kind of Angiocarpy operation cannula propeller

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