CN115445053B - Animal subcutaneous tunnel establishment device - Google Patents
Animal subcutaneous tunnel establishment device Download PDFInfo
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- CN115445053B CN115445053B CN202211005576.8A CN202211005576A CN115445053B CN 115445053 B CN115445053 B CN 115445053B CN 202211005576 A CN202211005576 A CN 202211005576A CN 115445053 B CN115445053 B CN 115445053B
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- probe
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- fixing
- spacing
- groove
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- 241001465754 Metazoa Species 0.000 title claims abstract description 36
- 238000007920 subcutaneous administration Methods 0.000 title claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 98
- 238000000034 method Methods 0.000 abstract description 11
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 239000007943 implant Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 5
- 230000001954 sterilising effect Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 230000000144 pharmacologic effect Effects 0.000 description 4
- 239000002547 new drug Substances 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 210000003815 abdominal wall Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0194—Tunnelling catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0194—Tunnelling catheters
- A61M2025/0197—Tunnelling catheters for creating an artificial passage within the body, e.g. in order to go around occlusions
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Pulmonology (AREA)
- Hematology (AREA)
- Biophysics (AREA)
- Anesthesiology (AREA)
- Gastroenterology & Hepatology (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention provides an animal subcutaneous tunnel establishment device, which comprises: the probe is detachably connected with the handle, is of a tubular structure and comprises a body and a mounting part connected with the handle; an anti-falling mechanism is arranged at the front part of the probe; through the probe structure with the handle, an operator can conveniently puncture animals subcutaneously, meanwhile, the handle and the probe are in split design, so that the disinfection operation of experimenters can be facilitated, the handle is not required to be disinfected for a plurality of times, and when the probe is replaced, only the replaced probe is required to be disinfected, so that the working efficiency is greatly improved; in addition, through setting up anticreep mechanism on the probe, can in time carry out spacing fixedly at the in-process of experimenter's operation, avoid the probe to roll back or slippage to avoided because the slippage causes the secondary injury to the animal.
Description
Technical Field
The invention relates to the technical field of animal clinical laboratory appliances, in particular to a subcutaneous tunnel establishment device which is convenient to use and has a limiting function.
Background
In the pharmacological experiments of the new drugs, animals such as mice, monkeys, dogs, pigs and the like are generally selected clinically according to the pharmacological characteristics of the new drugs as clinical experimental objects, and relevant physiological indexes are required to be acquired after the new drugs are used for the animals, so that the implantation of auxiliary equipment or equipment (arterial or venous catheters, implants and the like) for acquiring the indexes of the animals is required in advance. Taking an implant as an example, the implant and an information acquisition electrode and a blood pressure catheter are matched with the implant to monitor the physiological index of a clinical animal in real time, the implant is put into the abdominal cavity or the subcutaneous part of the abdominal wall of the animal for the purpose of index detection without affecting daily activities of the animal, then a tunnel is established under the skin of the animal through an electrode head, and then the implant is put into a preset position requiring signal acquisition, the animal can be prevented from touching a monitoring device through the subcutaneous tunnel, the operation time of the method in the prior art is long, the operation is inconvenient, and electrode back phenomenon can occur when medical staff changes hands or temporarily pauses operation due to physiological bending of the animal skin in the tunnel establishment process, the electrode back phenomenon is operated again, the operation is difficult to be carried out completely according to the path of the first operation, and more damage is often caused to animal tissues, so that a special device is required to be arranged for establishing a subcutaneous tunnel during the pharmacological monitoring experiment, and the signal acquisition electrode is convenient to preset smoothly.
Disclosure of Invention
According to the technical problem, the technical scheme of the invention provides the animal subcutaneous tunnel building device, by arranging the probe rod structure with the handle, an operator can conveniently puncture animals subcutaneously, meanwhile, the handle and the probe rod are in split design, so that the disinfection operation of experimenters can be facilitated, the handle is not required to be disinfected for a plurality of times, and when the probe rod is replaced, only the replaced probe rod is required to be disinfected, and the working efficiency is greatly improved; in addition, through setting up anticreep mechanism on the probe, can in time carry out spacing fixedly at the in-process of experimenter's operation, avoid the probe to roll back or slippage to avoided because the slippage causes the secondary injury to the animal.
The invention provides an animal subcutaneous tunnel establishment device, which comprises: the probe is detachably connected with the handle, is of a tubular structure and comprises a probe body and a mounting part connected with the handle; the front part of the probe is provided with an anti-falling mechanism.
According to further optimization of the technical scheme, the probe is connected with the handle through a threaded connection or a clamping mechanism.
According to the technical scheme, when the probe and the handle are connected through the clamping mechanism, the clamping mechanism comprises a mounting hole arranged on the handle and a mounting part arranged on the probe, the mounting hole is in interference connection with the mounting part, at least one protrusion is arranged on the inner wall of the mounting hole at the front end of the handle, and a groove is arranged at the rear part of the probe corresponding to the mounting hole of the handle.
According to the technical scheme, the anti-drop mechanism is a threading mechanism or an anti-drop ring arranged at the front part of the probe.
According to further optimization of the technical scheme, the handle comprises a first shell, a second shell and a fixing ring, the first shell and the second shell are mutually clamped and connected, the fixing ring is arranged at the tail part of the first shell or/and the tail part of the second shell, and the first shell and the second shell can be clamped and fixed through the fixing ring.
According to further optimization of the technical scheme, the first fixing groove and the second fixing groove for fixing the probe are respectively formed in the opposite side surfaces of the first shell and the second shell, and the second limiting mechanism is arranged in a probe fixing channel formed by the first fixing groove and the second fixing groove.
According to further optimization of the technical scheme, the second limiting mechanism comprises a limiting protrusion arranged on the probe and a limiting groove arranged in the probe fixing channel, and the limiting groove is matched with the limiting protrusion.
According to the technical scheme, the three limiting protrusions are distributed on the side wall of the probe in a staggered mode, and in an orthographic projection view, the three limiting protrusions form included angles of 120 degrees respectively.
According to the technical scheme, the threading mechanism is a threading hole. The threading hole is provided with a magnetic patch. The threading holes are through holes which are independently arranged on the outer side face of the probe or holes which are communicated with the pipe holes of the probe.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of an embodiment of the animal subcutaneous tunnel creation device of the present invention;
FIG. 2 is a schematic view of another embodiment of the animal subcutaneous tunnel creation device of the invention;
FIG. 3 is a schematic view of a partial structure of one embodiment of an anti-slip mechanism on a probe according to the present invention;
FIG. 4 is a schematic cross-sectional view of the anti-disengaging mechanism of the present invention taken along line A-A' in FIG. 3;
Fig. 5 is a schematic view of an initial structure of the anti-drop mechanism of fig. 3 in a use state and a schematic view of the anti-drop mechanism in an anti-drop state.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Description of the reference numerals: 1-a probe body; 11-an anti-drop mechanism; 12-thread; 13-a mounting part; 14-limiting protrusions; 2-a handle; 21-a first housing; 211-fixing sleeve; 24-a limit groove; 213-a first fixing groove; 22-a second housing; 221-a second fixing groove; 23-a fixing ring; 3-a limiting rod; 31-limiting sheets; 32-fixing columns; 33-limiting through grooves; 331-fixing projections.
Detailed Description
The invention will be further described with reference to fig. 1-5.
The subcutaneous tunnel establishment device in the prior art mainly appears in operation of a human, but generally has a puncture probe with uniform specification in subcutaneous puncture of the human, meanwhile, the phenomenon that the probe retreats or falls off is seldom encountered in subcutaneous puncture due to large organs and tissues of the human, the probe is difficult to penetrate again in an original channel after falling off, secondary damage to animal tissues can be caused after falling off, but in the pharmacological experiment process of an animal experiment, due to uneven size and uneven surface of the animal, different regular probes are required to be designed in the establishment of the subcutaneous tunnel, assistance is required to hold the probe in assistance in clinical operation, and disinfection treatment is carried out in replacement of the probe, and the animal subcutaneous tunnel establishment device designed by the invention is shown in fig. 1 aiming at the technical background and comprises the following steps: the probe and the handle 2 can increase the stress area of an operator through designing the handle 2, and the clinical operation is more convenient for the mode of using the probe independently in the prior art, the probe with the handle 2 is detachably connected, so that the handle 2 is not required to be disinfected again when the probe is replaced, the clinical operation time is effectively shortened, the operation steps are simplified, the operator can be fully put into the clinical operation, the probe is of a tubular structure, and the electrode wires are conveniently laid. The front portion of probe is provided with anticreep mechanism 11, through setting up anticreep mechanism 11, has increased operator's operation flexibility clinically, can inject the probe through inject the mechanism after the puncture is accomplished, then conveniently penetrate the electrode line or disinfect the operation such as implant structure, need not worry the slippage of probe simultaneously.
In order to simplify operation equipment and facilitate installation, the probe design scale comprises a probe body 1 and an installation part 13 connected with the handle 2, wherein the installation part 13 can be set to be a unified standard part, and the probe body 1 can be provided with probes with different diameters and lengths according to requirements, so that the probes can be replaced according to requirements when the probe is clinically used, the handle 2 is not required to be replaced, and only the probes are sterilized, a plurality of handles 2 are not required to be sterilized, so that the efficiency of experimental operation is improved, and the problem of puncture waiting caused by poor sterilization connection during operation is prevented; preferably, the probe and the handle 2 are connected by a threaded 12 connection or a snap-fit mechanism.
Due to the structural characteristics of the screw 12, special care and matching of sterilization containers with vibration devices are needed in clinical experiments, and particularly, the device which needs to be reused in the technical scheme of the invention is aimed at, so that the technical scheme can also be used for connecting the probe with the handle 2 through a clamping mechanism as an alternative, the clamping mechanism comprises a mounting hole arranged on the handle 2 and a mounting part 13 arranged on the probe, the mounting hole is in interference connection with the mounting part 13, at least one protrusion is arranged on the inner wall of the mounting hole at the front end of the handle 2, preferably 3-5 protrusions are arranged randomly, staggered rings are arranged on the periphery of the mounting part 13, the height of the protrusions can be set to be 0.02-1 mm, and the rear part of the probe corresponding to the mounting hole of the handle 2 is provided with a groove. The method is simple and quick, in addition, the probe can be directly installed by a static pressure method according to the operating habit, when the probe is installed by the static pressure method, the bulge on the outer surface of the installation part 13 can be changed into a frosted structure, so that the contact area between the installation hole and the installation part 13 can be increased, the probe cannot slip during use, and the length of a preferable installation end is more than 30mm.
In order to ensure the simplicity of the structure of the handle 2 and fewer dead angles, the structure of the handle 2 can be matched with wiping and sterilizing except soaking and sterilizing, sterilizing efficiency is improved, and meanwhile, the structure is more convenient to install and operate, as shown in fig. 2, the handle 2 is in a structure comprising a first shell 21, a second shell 22 and a fixing ring 23, the first shell 21 and the second shell 22 are connected in a mutually clamping manner, the fixing ring 23 is arranged at the tail part of the first shell 21 or/and the second shell 22, a fixing sleeve 211 is correspondingly arranged at the front part of the first shell 21, and the first shell 21 and the second shell 22 can be clamped and fixed through the fixing ring 23 and the fixing sleeve 211. The opposite side surfaces of the first shell 21 and the second shell 22 are respectively provided with a first fixing groove 213 and a second fixing groove 221 for fixing the probe, and a second limiting mechanism is arranged in a probe fixing channel formed by the first fixing groove 213 and the second fixing groove 221. The second limiting mechanism comprises a limiting protrusion 14 arranged on the probe and a limiting groove 24 arranged in the probe fixing channel, and the limiting groove 24 is matched with the limiting protrusion 14. The number of the limiting protrusions 14 is three, the three limiting protrusions 14 are distributed on the side wall of the probe in a staggered mode, and in an orthographic projection view, the three limiting protrusions are 120-degree included angles respectively.
In the process of using the probe, because the structural characteristics of the animal body are easy to slip and always are the trouble of operators, the inventor of the technical scheme can limit and fix the probe after the probe passes through the first limiting mechanism arranged at the front part of the probe, and prevent the phenomenon of slipping or pushing out the probe when the electrode wire is worn. The threading mechanism is a threading hole or an anti-drop ring, the threading hole is a through hole which is independently arranged on the outer side face of the probe or a hole which is communicated with the pipe hole of the probe, and when the threading hole is communicated with the pipe hole of the probe, the threading hole is arranged at a position 5-10 mm away from the front end of the probe, so that threading fixation is facilitated. In order to prevent the threading hole from being scratched to the tissue of the animal in the process of puncturing, a magnetic patch can be arranged on the threading hole, and the patch is made of a neodymium-iron-boron ferromagnetic material; the anti-drop ring is a fixed clamping ring, namely, the probe rod can be clamped and fixed through the anti-drop ring after penetrating out of animal tissues.
As shown in fig. 3-5, in another embodiment of the anti-falling mechanism 11 in the present invention, a first limiting mechanism is disposed at the front end of a probe rod, the first limiting mechanism includes a rotatable limiting rod 3, the limiting rod 3 includes a limiting head and two limiting plates 31 symmetrically disposed at two sides of the limiting head, a limiting through slot 33 is disposed at a position of the probe rod corresponding to the limiting rod 3, the limiting plates 31 are slidably disposed in the limiting through slot 33 through fixing columns 32, fixing protrusions 331 corresponding to the fixing columns 32 are disposed on a side wall of a notch of the limiting through slot 33, the fixing protrusions are used for limiting the fixing columns, the fixing columns 32 are preferably cuboid structures and are integrally disposed with the limiting plates 31, the fixing columns 32 can be clamped in the fixing protrusions 331 through the cuboid structures, relative stability between the limiting rod 3 and the probe rod body 1 can be ensured, and rotation of the limiting rod 3 around the fixing columns 32 after fixing is prevented; in addition, the distance between the locating heads of the fixing columns 32 is equal to or slightly greater than the distance between the locating heads of the fixing columns 32 and the side wall of the probe body 1 (the surplus distance is about 1 mm), so that when the locating rod 3 rotates to be perpendicular to the probe body 1, as in the state of fig. 5, one side of the locating heads, which is provided with the locating pieces 31, can be in close contact with the side wall of the probe body 1 (because the locating pieces 31 and the locating heads are respectively in contact with tissues when the probe falls off, a certain included angle is formed between the whole stress direction of the locating rod 3 and the extending direction of the probe body 1), loosening after fixing is prevented, and in addition, the front end of the locating through groove 33 can be opened, and can also be closed. The specific use method is that the limiting rod 3 and the probe body 1 are on the same straight line in the initial state, when the tunnel is established, an operator can pull out the fixing column 32 from the fixing protrusion 331 towards the front end direction by using external force, the fixed column 32 can rotate in the limiting through groove 33 after the fixing column 32 is pulled out, at the moment, the limiting rod 3 is rotated for 90 degrees, and then the fixing column 32 is pushed into the rear end of the probe body 1, so that the fixing column 32 can reach the fixing protrusion 331 again, and the anti-drop function is realized. In order to just realize the above function, the groove wall of the limit through groove 33 is designed to be a wedge structure, specifically, from the front end to the rear end of the limit through groove 33, the groove wall is sequentially thickened (because the wedge angle of the groove wall is between 1 and 5 degrees, which is not shown in the drawing), so that the rotation is easier under the condition that the opening of the I-shaped fixing column 32 is certain, and the fixing between the limit rod 3 and the probe rod body 1 is also tighter when the fixing is performed.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (7)
1. A subcutaneous tunnel creation device for animals, comprising: the probe is detachably connected with the handle, is of a tubular structure and comprises a probe body and a mounting part connected with the handle; the front part of the probe is provided with a first limiting mechanism;
The first stop gear is including the spacing stick that can rotate, spacing stick includes spacing head and symmetry setting two spacing pieces in spacing head both sides, the probe corresponds spacing stick's position is provided with spacing logical groove, spacing piece slides through the fixed column respectively and sets up in spacing logical inslot, and is provided with the fixed arch that corresponds with the fixed column on spacing logical groove's notch lateral wall, fixed arch is used for spacing the fixed column, when the fixed column card in fixed arch, can prevent that spacing stick from rotating around the fixed column after fixed.
2. The animal subcutaneous tunnel creation device according to claim 1, wherein the probe and the handle are connected by a threaded connection or a snap-fit mechanism.
3. The animal subcutaneous tunnel establishment device according to claim 2, wherein when the probe and the handle are connected by a clamping mechanism, the clamping mechanism comprises a mounting hole formed in the handle and a mounting portion formed in the probe, the mounting hole is in interference connection with the mounting portion, at least one protrusion is arranged on the inner wall of the mounting hole at the front end of the handle, and a groove is formed in the rear portion of the probe corresponding to the mounting hole of the handle.
4. The animal subcutaneous tunnel building device according to claim 1, wherein the handle comprises a first housing, a second housing and a fixing ring, the first housing and the second housing are connected in a clamping manner, the fixing ring is arranged at the tail part of the first housing or/and the second housing, and the first housing and the second housing can be clamped and fixed through the fixing ring.
5. The animal subcutaneous tunnel creation device according to claim 4, wherein a first fixing groove and a second fixing groove for fixing the probe are respectively formed on opposite side surfaces of the first shell and the second shell, and a second limiting mechanism is arranged in a probe fixing channel formed by the first fixing groove and the second fixing groove.
6. The animal subcutaneous tunnel creation device according to claim 5, wherein the second limit mechanism comprises a limit protrusion provided on the probe and a limit groove provided in the probe fixing channel, the limit groove being mated with the limit protrusion.
7. The animal subcutaneous tunnel creation device according to claim 6, wherein the limit stop
Three limit protrusions are distributed on the side wall of the probe in a staggered way and on the orthographic projection view,
The three limit protrusions respectively form an included angle of 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211005576.8A CN115445053B (en) | 2022-08-22 | 2022-08-22 | Animal subcutaneous tunnel establishment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211005576.8A CN115445053B (en) | 2022-08-22 | 2022-08-22 | Animal subcutaneous tunnel establishment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115445053A CN115445053A (en) | 2022-12-09 |
| CN115445053B true CN115445053B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211005576.8A Active CN115445053B (en) | 2022-08-22 | 2022-08-22 | Animal subcutaneous tunnel establishment device |
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| CN (1) | CN115445053B (en) |
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| CN214382404U (en) * | 2020-12-28 | 2021-10-12 | 青岛市市立医院 | Subcutaneous tunnel piercing depth with anti-disengaging structure |
| CN114569853A (en) * | 2021-12-03 | 2022-06-03 | 苏州康利畅医疗器械有限公司 | Anti-drop adjustable oxygen uptake pipe |
| CN219167452U (en) * | 2022-08-22 | 2023-06-13 | 北京昭衍新药研究中心股份有限公司 | Handle type split anti-drop tunnel probe |
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| CN115445053A (en) | 2022-12-09 |
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