CN115253020B - Can prevent anesthesia pipe subassembly of damage - Google Patents
Can prevent anesthesia pipe subassembly of damage Download PDFInfo
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- CN115253020B CN115253020B CN202210963213.9A CN202210963213A CN115253020B CN 115253020 B CN115253020 B CN 115253020B CN 202210963213 A CN202210963213 A CN 202210963213A CN 115253020 B CN115253020 B CN 115253020B
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- cold
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
-
- 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
- A61M19/00—Local anaesthesia; Hypothermia
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0059—Catheters; Hollow probes characterised by structural features having means for preventing the catheter, sheath or lumens from collapsing due to outer forces, e.g. compressing forces, or caused by twisting or kinking
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0063—Catheters; Hollow probes characterised by structural features having means, e.g. stylets, mandrils, rods or wires to reinforce or adjust temporarily the stiffness, column strength or pushability of catheters which are already inserted into the human body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
Abstract
The application provides an anti-damage anesthetic catheter assembly, which relates to the technical field of medical anesthetic appliances, and comprises a catheter body, wherein the catheter body comprises an inner wall and an outer wall, and the catheter body is made of thermoplastic elastomer materials; the anesthesia catheter also comprises a cold control adjusting piece and a hot control adjusting piece, wherein the cold control adjusting piece and the hot control adjusting piece respectively comprise a cold control adjusting wire and a hot control adjusting wire which are spirally arranged between the inner wall and the outer wall. The setting mode realizes the temperature control of the catheter body, thereby realizing the control of the hardness of the catheter body, ensuring that the temperature of the anesthetic catheter is not influenced by the room temperature and the human body temperature, and effectively solving the problems of large difficulty in placing the anesthetic catheter and easy damage to nerves and blood vessels. In addition, this kind of setting method can also support the pipe body when controlling the temperature, avoids the pipe body to the greatest extent because the higher and hardness of temperature is too low, and then produces the dog-ear for the problem that the anesthesia liquid medicine can't pass through smoothly takes place.
Description
Technical Field
The application relates to the technical field of medical anesthesia apparatuses, in particular to an anti-damage anesthesia catheter assembly.
Background
Epidural nerve block is a widely used method of anesthesia in clinical practice, i.e., local anesthetic is injected into the epidural space to block the spinal nerve roots and temporarily paralyze the innervation area. The anesthesia method has the advantages of simple operation, low cost, easy management in operation, convenient epidural analgesia after operation and the like. The main component used in the anesthesia method is an anesthesia catheter, the anesthesia catheter is required to be placed in a narrow epidural space, the anesthesia catheter is very thin, the outer diameter is generally not more than 1mm, the anesthesia catheter is small in size and is required to be placed in the epidural space, good axial rigidity is required to enable the anesthesia catheter to be placed in the epidural space, the anesthesia catheter is usually made of a high-hardness polymer material, the head end is a blind end, the head end in the prior art is harder, the operation is careless, the epidural space is easy to puncture, the epidural space is placed in a subarachnoid space, small blood vessels are rich in the epidural space, and the hard head end is easy to damage blood vessels or nerves.
Currently, in order to solve the above-mentioned problems, there are methods of welding a soft head end to a catheter or adopting thermoplastic elastomer materials such as TPU and TPE to make an anesthetic catheter have a property of softening when encountering heat. However, in order to meet the requirement that the axial rigidity is enough in the process of placement, the setting mode can only reduce certain hardness, but still cannot achieve the softness of preventing the damage of the capillary vessel; even though the thermoplastic elastomer material is adopted, the effect of reducing the hardness along with the temperature rise can be achieved, but the temperature of the anesthetic tube can only be raised by the temperature of a human body after the anesthetic tube is placed into the human body, so that the anesthetic tube is influenced by the room temperature and the placement speed, the specific hardness of the anesthetic tube cannot be controlled, if the placement speed is slower, the anesthetic tube can be softened when the material enters an epidural space, and the problem that the anesthetic tube is knotted in the epidural space and cannot be taken out can be further generated.
It follows that the prior art is in need of further improvement and promotion.
Disclosure of Invention
The application provides an anti-damage anesthetic tube assembly, which aims to solve at least one technical problem among the technical problems.
An anti-injury anesthetic catheter assembly comprises a catheter body, wherein the catheter body comprises an inner wall and an outer wall, and the catheter body is made of thermoplastic elastomer materials;
the anesthesia catheter also comprises a cold control adjusting piece and a hot control adjusting piece, wherein the cold control adjusting piece and the hot control adjusting piece respectively comprise a cold control adjusting wire and a hot control adjusting wire which are spirally arranged between the inner wall and the outer wall.
The anti-damage anesthetic tube provided by the application also has the following additional technical characteristics:
the temperature adjusting range of the cold control adjusting wire is 20-25 ℃; the temperature regulation range of the thermal control regulating wire is 37-40 ℃.
The cold control regulating wire and the hot control regulating wire are copper wires, the hot control regulating piece further comprises a heat source connected with the hot control regulating wire, and the cold control regulating piece comprises a cold source connected with the cold control regulating wire.
The spiral diameter of the cold control adjusting wire is equal to that of the hot control adjusting wire.
The cold control adjusting wires and the hot control adjusting wires are uniformly arranged along the inner wall in a staggered manner so as to uniformly adjust the temperature of the catheter body.
The spiral diameter of the cold control adjusting wire is larger than that of the hot control adjusting wire.
The catheter also comprises a temperature sensor, wherein the temperature sensor is arranged at the head end of the catheter body.
The axial distance between the head end of the cold control regulating wire and the head end of the catheter body is 1-5mm.
The thermal control adjusting wire further comprises a sparse section and a dense section, wherein the length of the dense section ranges from 3 cm to 6cm, and the dense section is positioned at one end of the thermal control adjusting wire close to the head end of the catheter body.
The temperature display device is connected with the temperature sensor in a wireless mode.
By adopting the technical scheme, the application has the following beneficial effects:
1. the application provides an anti-injury anesthetic catheter assembly, wherein a catheter body is made of a thermoplastic elastomer material, and the material can reduce hardness along with the rise of temperature. According to the performance, the temperature of the catheter body is controlled by the cold control regulating wire and the hot control regulating wire, and in particular, the hot control regulating wire and the cold control regulating wire can respectively raise the temperature of the catheter body and lower the temperature of the catheter body; when the anesthesia catheter is placed, the anesthesia catheter needs to have better axial rigidity, is convenient to intervene in a human body without bending, deformation and other problems, the temperature of the anesthesia catheter is reduced by opening the cold control regulating wire, and the anesthesia catheter is difficult to intervene in the human body due to the fact that the time for intervening in the human body is longer, and the temperature of the catheter body made of a thermoplastic elastomer material is influenced by the receptor temperature, so that the hardness is too low; when the anesthetic tube enters the epidural space and passes through the tip of the epidural needle, the anesthetic tube body needs to be heated and softened when the anesthetic tube enters the epidural space and needs to be turned, so that the stress of the anesthetic tube on the epidural space is reduced, and damage to the epidural space is prevented when the anesthetic tube touches the epidural space; when the anesthesia catheter is turned to advance towards the head of a human body along the epidural space, the temperature of the anesthesia catheter is reduced, the hardness is increased, the direction of the anesthesia catheter is kept unchanged due to the fact that the thermal control adjusting wire is closed and the cold control adjusting wire is opened, and the problems that the anesthesia fails due to the fact that most of the front end of the catheter is too low in hardness, the anesthesia catheter is bent and changed in direction in the epidural space are prevented. Therefore, the hardness of the catheter body can be controlled by controlling the temperature of the catheter body, so that the temperature of the anesthetic catheter is not affected by the room temperature and the human body temperature, and the problems of high difficulty in placing the anesthetic catheter and easy damage to nerves and blood vessels are effectively solved. In addition, the thermal control regulating wire with the cold control regulating wire is the spiral setting, and this kind of setting mode makes the regulating wire can support the pipe body when controlling the temperature, prevents that the pipe body from being too low because the temperature is higher and hardness, and then produces the dog-ear for the problem that anesthesia liquid medicine can't pass through smoothly.
2. As a preferred embodiment, the temperature adjustment ranges of the cold control adjusting wire and the hot control adjusting wire can enable the catheter body to reach a required hardness range and also be a temperature adaptable to a human body, the human body does not feel uncomfortable in the temperature range, and the applicability of the anesthesia catheter is enhanced.
3. As a preferred implementation mode, the spiral diameter of the cold control adjusting wire is the same as that of the hot control adjusting wire, and the cold control adjusting wire and the hot control adjusting wire are arranged in a staggered and uniform mode along the inner wall, so that the cold control adjusting wire and the hot control adjusting wire can conduct heat and cool the catheter body uniformly, and the use is more convenient.
4. As a preferred embodiment, the distance between the head end of the cold control adjusting wire and the head end of the catheter body is 1-5mm, specifically, in the use process, the hardness of the anesthetic catheter can be enhanced by starting the cold source connected with the cold control adjusting wire, so that the axial rigidity of the anesthetic catheter is enough to be involved in a human body, but the head end of the anesthetic catheter needs to be bent and reversed at first, so that the head end of the anesthetic catheter needs to be always soft, and the anesthetic catheter can be bent under the condition of lower hardness by not arranging the cold control adjusting wire in a certain distance of the head end of the anesthetic catheter, so that the head end of the catheter body can be bent smoothly without damaging dura mater.
5. As a preferred embodiment, the thermal control adjusting wire further comprises a sparse section and a dense section, and the dense section is arranged, so that the heating speed of a part needing bending can be increased in the use process, and the placement efficiency of the anesthesia catheter is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic view of a reinforced anesthetic tube capable of adjusting temperature according to the present application;
FIG. 2 is a schematic cross-sectional view of a reinforced anesthetic tube capable of adjusting temperature according to the present application;
FIG. 3 is a schematic view of another temperature-adjustable reinforced anesthetic tube according to the present application;
fig. 4 is a schematic cross-sectional view of another reinforced anesthetic tube capable of adjusting temperature according to the present application.
Reference numerals
The catheter comprises a catheter body 1, an outer wall 11, an inner wall 12, a heat control regulating wire 2, a sparse section 21, a dense section 22, a cold control regulating wire 3, a temperature sensor 4, a cold source 5 and a heat source 6.
Detailed Description
In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the present application, as shown in fig. 1 to 4, there is provided an atraumatic anesthetic catheter assembly comprising a catheter body 1, the catheter body 1 comprising an inner wall 12 and an outer wall 11, and the catheter body 1 being of a thermoplastic elastomer material; the anesthesia catheter further comprises a cold control adjusting piece and a hot control adjusting piece, wherein the cold control adjusting piece and the hot control adjusting piece respectively comprise a cold control adjusting wire 3 and a hot control adjusting wire 2 which are spirally arranged between the inner wall 12 and the outer wall 11.
Specifically, the catheter body 1 employs a thermoplastic elastomer material capable of decreasing hardness with an increase in temperature. According to this property, the temperature of the catheter body 1 is controlled by the cold control adjusting wire 3 and the hot control adjusting wire 2, specifically, the hot control adjusting wire 2 and the cold control adjusting wire 3 can raise the temperature of the catheter body 1 and lower the temperature of the catheter body 1, respectively; when the anesthesia catheter is placed, the anesthesia catheter needs to have better axial rigidity, is convenient to intervene in a human body without bending, deformation and other problems, the temperature of the anesthesia catheter is reduced by opening the cold control adjusting wire 3, and the anesthesia catheter is difficult to intervene in the human body due to the fact that the time for intervening in the human body is longer and the rigidity of the catheter body 1 made of thermoplastic elastomer material is too low due to the influence of the temperature of the receptor; when the anesthetic tube enters the epidural space and passes through the tip of the epidural needle, the anesthetic tube is enabled to be heated and softened when the anesthetic tube enters the epidural space and needs to be turned through the closing of the cold control regulating wire 3 and the opening of the hot control regulating wire 2, so that the stress of the anesthetic tube on the epidural space is reduced, and damage to the epidural space is prevented when the anesthetic tube touches the epidural space; when the anesthetic tube is turned to advance towards the head of a human body along the epidural space, the temperature of the anesthetic tube can be reduced, the hardness is increased, the direction of the anesthetic tube is kept unchanged, and the problem that the anesthetic tube fails because the majority of the front end of the anesthetic tube is too low in hardness, and the anesthetic tube bends and changes direction in the epidural space is prevented. Therefore, the hardness of the catheter body 1 can be controlled by controlling the temperature of the catheter body 1, so that the temperature of the anesthetic catheter is not affected by the room temperature and the human body temperature, and the problems of high difficulty in placing the anesthetic catheter and easiness in damaging nerves and blood vessels are effectively solved. In addition, the thermal control regulating wire 2 with the cold control regulating wire 3 is the spiral setting, and this kind of setting mode makes the regulating wire can support pipe body 1 when controlling the temperature, prevents pipe body 1 because the higher and hardness of temperature is too low, and then produces the inflection angle for the problem that anesthesia liquid medicine can't pass through smoothly.
As a preferred embodiment, as shown in fig. 1-4, the temperature adjustment range of the cold control adjusting wire 3 is 20-25 ℃; the temperature regulation range of the thermal control regulating wire 2 is 37-40 ℃.
It will be appreciated that the body will not experience discomfort in this temperature range, and that the anesthetic tube will be able to achieve the desired hardness range in this temperature range.
As a preferred embodiment, as shown in fig. 1 and 3, the cold control adjusting wire 3 and the heat control adjusting wire 2 are copper wires, the heat control adjusting piece further comprises a heat source 6 connected with the heat control adjusting wire 2, and the cold control adjusting piece comprises a cold source 5 connected with the cold control adjusting wire 3.
Specifically, the heat source 6 can enable the thermal control adjusting wire 2 to heat the catheter body 1, and the cold source 5 can enable the cold control adjusting wire 3 to conduct cold to the catheter body 1. The heat source 6 and the cold source 5 may be heat transfer elements to transfer heat to the heat control adjusting wire 2 and the cold control adjusting wire 3, or may be power sources to conduct electricity to the heat control adjusting wire 2 and the cold control adjusting wire 3, so that the cold control adjusting wire 3 and the heat control adjusting wire 2 generate heat. It should be understood that the present application is not limited thereto, and may be selected according to practical situations, where the heat source 6 and the cold source 5 may be selected by the same heating method, or may be selected by different heating methods.
As a preferred embodiment, as shown in fig. 1-2, the spiral diameter of the cold control wire 3 is equal to the spiral diameter of the hot control wire 2.
As a preferred embodiment, as shown in fig. 2, the cold control wires 3 and the hot control wires 2 are uniformly staggered along the inner wall 12 to uniformly adjust the temperature of the catheter body 1.
It can be understood that the diameters of the spirals of the cold control adjusting wire 3 and the hot control adjusting wire 2 are equal and are uniformly distributed in a staggered way, so that the anesthetic tube can be heated or cooled uniformly when conducting heat or cold, thereby being beneficial to the anesthetic operation and improving the applicability of the anesthetic tube.
As another preferred embodiment, as shown in fig. 3 to 4, the spiral diameter of the cold control wire 3 is larger than the spiral diameter of the hot control wire 2.
As a preferred embodiment, as shown in fig. 1 and 3, a temperature sensor 4 is further included, where the temperature sensor 4 is disposed at the head end of the catheter body 1.
As a preferred embodiment, as shown in fig. 1 and 3, the axial distance between the head end of the cold control wire 3 and the head end of the catheter body 1 is 1-5mm.
Specifically, in order to make its axial rigidity be enough to intervene the human body in the use, can open first the cold source 5 that is connected with cold accuse regulating wire 3, but after the head end of anesthesia pipe is put into the human body, the head end of anesthesia pipe needs at first to carry out crooked switching-over, therefore the head end of anesthesia pipe needs to remain soft all the time, in order to make the head end of pipe body 1 can smoothly crooked and not hurt the dura mater, consequently is not provided with cold accuse regulating wire 3 in its head end certain distance, guarantees that it can buckle under the lower circumstances of hardness.
As a preferred embodiment, as shown in fig. 1 and 3, the thermal control wire 2 further comprises a sparse section 21 and a dense section 22, wherein the length of the dense section 22 ranges from 3 cm to 6cm, and is located at one end of the thermal control wire 2 near the head end of the catheter body 1.
The arrangement mode that the dense section 22 is arranged at one end of the thermal control regulating wire 2 close to the head end of the catheter body 1 ensures that the temperature of one end of the thermal control regulating wire 2 close to the head end of the catheter body 1 rises fast in the heat conduction process, the heating speed of a part needing bending can be accelerated in the use process, the heat conduction rate is improved, and the placement efficiency of an anesthetic catheter is further improved; it should be noted that, in the present application, the "sparse" and "dense" of the sparse segment 21 and the dense segment 22 are both relatively, and the hardness of the anesthetic tube is affected by the dense segment 22 very little, and in particular, different pitches may be selected according to the use condition, which is not limited by the present application.
As a preferred embodiment, as shown in fig. 1 and 3, the temperature display device 5 is further included, and the temperature display device 5 is wirelessly connected to the temperature sensor 4.
In particular, this arrangement further enables the temperature of the catheter body 1 to be visually and controllably controlled. The temperature of the anesthetic tube can be accurately known by medical staff, and the thermal control adjusting wire 2 or the cold control adjusting wire 3 can be timely adjusted, so that the anesthetic tube can be smoothly placed in the anesthetic tube.
In the use process, firstly, when the anesthesia catheter is started to be placed, the anesthesia catheter needs to have better axial rigidity, so that the anesthesia catheter is convenient to be inserted into a human body, and at the moment, the cold control adjusting wire 3 is started, so that the temperature of the anesthesia catheter is reduced, and the influence of the temperature of the body 1 of the catheter which is made of a thermoplastic elastomer material on the temperature of the body of the anesthesia catheter is avoided, and the influence of the too low hardness on the insertion of the anesthesia catheter into the human body is avoided; when the anesthesia catheter enters the epidural space and passes through the needle point of the epidural needle, the cold control regulating wire 3 is closed, and the heat control regulating wire 2 is opened; when the anesthesia catheter enters the epidural space and needs to turn, the catheter body 1 needs to be heated and softened, the stress of the anesthesia catheter on the epidural space is reduced, damage to the epidural space is prevented when the anesthesia catheter touches the epidural space, when the anesthesia catheter turns to advance to the head of a human body along the epidural space, the heat control regulating wire 2 is closed, the cold control regulating wire 3 is opened, the temperature of the anesthesia catheter is reduced, the hardness is increased, the direction is kept unchanged, and the problems of anesthesia failure caused by bending and direction switching of the anesthesia catheter in the epidural space due to too low most of hardness at the front end of the anesthesia catheter are prevented. In this process, the temperature sensor 4 senses the temperature of the catheter body 1, and transmits a temperature signal to the temperature display device, so that the medical staff can judge and adjust the temperature in time.
The application can be realized by adopting or referring to the prior art at the places which are not described in the application.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.
Claims (7)
1. An atraumatic anesthetic catheter assembly comprising a catheter body comprising an inner wall and an outer wall, the catheter body being of a thermoplastic elastomer material;
the anesthesia catheter assembly further comprises a cold control adjusting piece and a hot control adjusting piece, wherein the cold control adjusting piece and the hot control adjusting piece respectively comprise a cold control adjusting wire and a hot control adjusting wire which are spirally arranged between the inner wall and the outer wall;
the temperature adjusting range of the cold control adjusting wire is 20-25 ℃; the temperature adjusting range of the thermal control adjusting wire is 37-40 ℃;
the axial distance between the head end of the cold control regulating wire and the head end of the catheter body is 1-5mm;
the thermal control adjusting wire further comprises a sparse section and a dense section, wherein the length of the dense section ranges from 3 cm to 6cm, and the dense section is positioned at one end of the thermal control adjusting wire close to the head end of the catheter body.
2. The atraumatic anesthesia catheter assembly of claim 1, wherein the cold control wire and the heat control wire are copper wires, the heat control adjustment member further comprising a heat source coupled to the heat control wire, the cold control adjustment member comprising a heat sink coupled to the cold control wire.
3. An atraumatic anesthesia catheter assembly of claim 1, wherein the helical diameter of the cold control wire is equal to the helical diameter of the hot control wire.
4. An atraumatic anesthesia catheter assembly of claim 3, wherein the cold and hot control wires are uniformly staggered along the inner wall to uniformly regulate the temperature of the catheter body.
5. An atraumatic anesthesia catheter assembly of claim 1, wherein the cold-control guidewire has a spiral diameter that is greater than the spiral diameter of the hot-control guidewire.
6. The atraumatic anesthesia catheter assembly of claim 1, further comprising a temperature sensor disposed at the tip of the catheter body.
7. The atraumatic anesthesia catheter assembly of claim 6, further comprising a temperature display device in wireless communication with the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963213.9A CN115253020B (en) | 2022-08-11 | 2022-08-11 | Can prevent anesthesia pipe subassembly of damage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210963213.9A CN115253020B (en) | 2022-08-11 | 2022-08-11 | Can prevent anesthesia pipe subassembly of damage |
Publications (2)
| Publication Number | Publication Date |
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| CN115253020A CN115253020A (en) | 2022-11-01 |
| CN115253020B true CN115253020B (en) | 2023-10-03 |
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| CN202210963213.9A Active CN115253020B (en) | 2022-08-11 | 2022-08-11 | Can prevent anesthesia pipe subassembly of damage |
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| CN116870328A (en) * | 2023-08-01 | 2023-10-13 | 临沂市兴华医用器材有限公司 | Injury-preventing directional bending anesthetic catheter |
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| US20060129130A1 (en) * | 2004-11-18 | 2006-06-15 | Tal Michael G | Sheath/catheter system with controlled hardness and flexibility |
| WO2013037004A1 (en) * | 2011-09-14 | 2013-03-21 | Colin Dunlop | Apparatus and method for maintaining patient temperature during a procedure |
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|---|---|---|---|---|
| CN102058927A (en) * | 2010-10-29 | 2011-05-18 | 华南理工大学 | Hardness-controlled intelligent conduit for clinical intervention treatment |
| CN210020796U (en) * | 2019-02-27 | 2020-02-07 | 中国医学科学院北京协和医院 | Hardness-adjustable balloon |
| CN210542799U (en) * | 2019-05-17 | 2020-05-19 | 张扬 | Anesthesia catheter |
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| CN115253020A (en) | 2022-11-01 |
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