CN112774000A - Femoral artery and vein insertion core and processing technology thereof - Google Patents
Femoral artery and vein insertion core and processing technology thereof Download PDFInfo
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- CN112774000A CN112774000A CN202011608880.2A CN202011608880A CN112774000A CN 112774000 A CN112774000 A CN 112774000A CN 202011608880 A CN202011608880 A CN 202011608880A CN 112774000 A CN112774000 A CN 112774000A
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- 238000003780 insertion Methods 0.000 title claims abstract description 28
- 230000037431 insertion Effects 0.000 title claims abstract description 28
- 210000001105 femoral artery Anatomy 0.000 title claims abstract description 21
- 210000003191 femoral vein Anatomy 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 title abstract description 8
- 238000005516 engineering process Methods 0.000 title description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000007769 metal material Substances 0.000 claims 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 12
- 238000003860 storage Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 8
- 238000002627 tracheal intubation Methods 0.000 description 8
- 210000004204 blood vessel Anatomy 0.000 description 7
- 238000000576 coating method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 210000001367 artery Anatomy 0.000 description 3
- 238000005422 blasting Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010047163 Vasospasm Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0009—Making of catheters or other medical or surgical tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
Abstract
The invention discloses a femoral artery and vein insertion core, which comprises: the heating device comprises a seat body, a heating body and a core body, wherein the core body is connected with the seat body through the heating body; the base body is provided with a first containing groove, the core body is provided with a second containing groove, and two end parts of the heating body are respectively positioned in the first containing groove and the second containing groove. The invention also discloses a process, comprising: one end part of the heating body is clamped into a first accommodating groove on the base body; the second containing groove on the core body is clamped into the other end part of the heating body; and placing the assembled femoral artery and vein insertion core into a high-frequency hot melting machine, and heating the heating body. Through the cooperation use of pedestal, heating member and core, the heating member inserts the second storage tank on first storage tank and the core on the pedestal simultaneously, and after carrying out the intensification processing to the heating member, the heat transfer of heating member is around first storage tank and the second storage tank for melt and mix each other together around first storage tank and the second storage tank, and then realize the pedestal of stereoplasm and soft core fixed connection.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a femoral artery and vein insertion core and a processing technology thereof.
Background
The femoral artery and vein insertion core is a sheath inserted into the cannula, so that the deformation of the cannula is prevented, and the insertion of the cannula is facilitated. Glue bonding is a connection mode commonly used for the current intubation body and the intubation base, the intubation base is commonly formed by an injection molding process, the intubation body is commonly formed by an extrusion process, the material hardness of the intubation base for holding in an operation is relatively high, the material hardness of the intubation base for holding in the operation is commonly formed by injection molding of Polycarbonate (PC) materials, and the intubation body (commonly used polyvinyl chloride (PVC) materials, polyurethane (TPU) materials and the like) has a high requirement on flexibility, so that the intubation can be smoothly inserted into a blood vessel, particularly a blood vessel needing to be bent. Due to the fact that the materials and/or the hardness of the ferrule and the ferrule are different, the ferrule body and the ferrule holder are bonded by glue, partial or complete bonding insecurity is easy to occur between the ferrule body and the ferrule holder, the separation phenomenon of the ferrule body and the ferrule holder is caused, force transmission required to be conducted to the ferrule body from a bonding position is not smooth, and the longer the length of the insertion tube is, the more obvious the separation phenomenon of the ferrule body and the ferrule holder and the unsmooth force transmission phenomenon are; secondly, the glue bonding mode easily appears the phenomenon of excessive glue, because the thigh arteries and veins lock pin can contact human blood, therefore the glue that overflows and blood contact probably brings the biocompatibility problem of material.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a femoral artery and vein insertion core and a processing technology thereof.
The invention discloses a femoral artery and vein insertion core, which comprises: the heating device comprises a seat body, a heating body and a core body, wherein the core body is connected with the seat body through the heating body; the base body is provided with a first containing groove, the core body is provided with a second containing groove, and two end parts of the heating body are respectively positioned in the first containing groove and the second containing groove.
According to an embodiment of the invention, the outer wall of the core has a coefficient of friction that increases from small to large in the distal to proximal direction.
According to one embodiment of the invention, the distal end of the outer wall of the core is treated with a hydrophilic coating process and the areas of the outer wall other than the distal end are treated with a sand or shot blasting process.
According to an embodiment of the present invention, the first receiving groove and the second receiving groove are any one of a rectangular groove, an arc-shaped groove or a circular groove.
According to an embodiment of the present invention, the heating body is made of metal, and two ends of the heating body are respectively any one of a rectangular groove, an arc-shaped groove or a circular groove matched with the first receiving groove and the second receiving groove.
According to an embodiment of the present invention, the base further defines a first core hole, the core further defines a second core hole, and the first core hole is communicated with the second core hole.
According to an embodiment of the present invention, the seat body further has a joint hole in an extending direction of the first receiving groove, and the core is inserted into the joint hole.
According to an embodiment of the present invention, the end of the seat body is further provided with a first clamping structure, the outer wall of the core body is provided with a clamping portion corresponding to the first clamping structure, and the first clamping structure and the clamping portion realize the limiting. The first clamping structure comprises a square clamping block, a cylindrical clamping block structure and the like.
According to an embodiment of the present invention, the clamping portion is a clamping groove formed in an outer wall of the core body, and the first clamping structure is clamped into the clamping groove.
According to an embodiment of the present invention, the clamping portion is a second clamping block opened on the outer wall of the core body, and the second clamping block is fastened with the first clamping structure.
According to an embodiment of the present invention, the heating body is provided with a plurality of through holes, and the through holes provide communication channels for two side walls of the first accommodating groove and/or two side walls of the second accommodating groove.
The invention discloses a processing technology of a femoral artery and vein insertion core, which comprises the following steps:
one end part of the heating body is clamped into a first accommodating groove on the base body;
the second containing groove on the core body is clamped into the other end part of the heating body;
and placing the assembled femoral artery and vein insertion core into a high-frequency hot melting machine, and heating the heating body.
The invention has the beneficial effects that through the matching use of the seat body, the heating body and the core body, the insertion performance of the distal end of the core body of the femoral artery and vein insertion core is more excellent, the friction force between the core body and the blood vessel wall is smaller, the heating body is simultaneously inserted into the first accommodating groove on the seat body and the second accommodating groove on the core body, after the heating body is subjected to temperature rise treatment, the heat of the heating body is transferred to the peripheries of the first accommodating groove and the second accommodating groove, so that the peripheries of the first accommodating groove and the second accommodating groove are welded and mixed together, and further, the fixed connection of the hard seat body and the soft core body is; the use of heating member makes the bonding obtain the reinforcing by the regional intensity of butt fusion on the one hand, realizes that stereoplasm pedestal and soft core obtain good transition, and on the other hand also makes the power of conducting to the core by the butt fusion region of pedestal through the heating member in the operation process can be more smooth and easy.
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 application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a perspective view of a femoral artery and vein insertion core in accordance with an embodiment;
FIG. 2 is a cross-sectional view of a femoral arteriovenous core of the first embodiment;
FIG. 3 is an exploded view of a femoral arteriovenous core insert according to one embodiment;
FIG. 4 is a cross-sectional view of a base according to an embodiment;
FIG. 5 is a cross-sectional view of a core in accordance with one embodiment.
Description of the reference numerals
1-a seat body; 11-a first receiving groove; 12-a first core hole; 13-an engagement hole; 14-a first detent structure;
2-a heating body; 21-a through hole;
3-a core body; 31-a second receiving groove; 32-a second core hole; 33-a snap-in part; 331-card slot.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
It should be noted that in the present invention, "proximal" and "distal" are relative orientations, relative positions, directions of elements or actions with respect to each other from the perspective of a physician using the medical device, although "proximal" and "distal" are not intended to be limiting, the term "proximal" generally refers to the end of the medical device that is closer to the physician during normal operation, and "distal" generally refers to the end that is first introduced into the patient.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example one
As shown in fig. 1-3, fig. 1 is a three-dimensional structure view of a femoral artery and vein insertion core in the first embodiment; FIG. 2 is a cross-sectional view of a femoral arteriovenous core of the first embodiment; fig. 3 is an exploded view of a femoral arteriovenous core according to an embodiment. The femoral artery and vein insertion core comprises a base body 1, a heating body 2 and a core body 3, wherein the base body 1 is connected with the core body 3 through the heating body 2. The seat body 1 is provided with a first accommodating groove 11, the core body 3 is provided with a second accommodating groove 31, one end of the heating body 2 is positioned in the first accommodating groove 11, and the other end of the heating body 2 is positioned in the second accommodating groove 31. Preferably, in order to minimize the resistance when the femoral arteriovenous core is inserted into the patient to reduce the pain of the patient, the friction coefficient of the outer wall of the core body 3 in the direction from the far end to the near end is changed from small to large; preferably, in order to consider the minimum resistance when the femoral artery and vein insertion core is inserted into a patient and the minimum resistance inserted into a blood vessel of the patient, the distal end of the outer wall of the core body 3 is treated by a hydrophilic coating process by utilizing the bionic principle of sharkskin (rough V-shaped folds on the surface of the sharkskin can greatly reduce the friction force of water flow and enable the water flow around the body to flow through more efficiently), so that the surface friction coefficient of the core body 3 is smaller, the initial insertion is facilitated, and the proximal end is treated by a sand blasting or shot blasting process to form a similar microscopic V-shaped fold structure, so that the friction force between the core body 3 and the blood vessel wall in the insertion process of the blood vessel of the patient is reduced, and the probability of vasospasm of the.
In a specific application, the first receiving groove 11 and the second receiving groove 31 may have the same structure or different structures, and in this embodiment, for the convenience of processing and forming, the first receiving groove 11 and the second receiving groove 31 have the same structure. Preferably, the first receiving groove 11 and the second receiving groove 31 may be rectangular grooves, arc-shaped grooves or circular grooves, and correspondingly, the heating body 2 has a rectangular structure, an arc-shaped structure or a circular structure, and is respectively matched with the rectangular grooves, the arc-shaped grooves or the circular grooves. Specifically, the first receiving groove 11 and the second receiving groove 31 are circular grooves, so that the contact area between the heating body 2 and the first receiving groove 11 and the contact area between the heating body 31 and the second receiving groove 31 can be increased, and the connection stability between the seat body 1 and the core body 3 can be further improved.
Referring to fig. 2 and fig. 4, fig. 4 is a cross-sectional view of the base 1 according to the first embodiment. The whole body of the seat body 1 is in a long-strip column shape, and the first accommodating groove 11 is formed along the axial direction of the seat body 1. A first core hole 12 is further formed through the seat body 1 in the axial direction, and the first accommodating groove 11 is formed around the first core hole 12. The whole core body 3 is in a shape of a long and thin column, the second accommodating groove 31 is formed along the axial direction of the core body 3, the second core hole 32 is formed through the core body 3 along the axial direction, the second core hole 32 is communicated with the first core hole 12, and the second accommodating groove 31 is formed around the second core hole 32. Specifically, the diameter of the second core hole 32 is smaller than that of the first core hole 12, and other thinner components can be conveniently penetrated subsequently through the opening of the first core hole 12 and the second core hole 32. Preferably, the seat body 1 is provided with an engagement hole 13, the engagement hole 13 is arranged at one end of the seat body 1 connected with the core body 3, the engagement hole 13 is arranged along the axial direction of the seat body 1, and the core body 3 is inserted into the engagement hole 13; through offering of joint hole 13 for the tip of core 3 is being wrapped up to the tip of pedestal 1, has increased area of contact between them, promotes the frictional force of contact, and then makes core 3 and pedestal 1 be connected the fastening and increases. Specifically, the diameter of the engagement hole 13 is larger than the diameter of the first accommodation groove 11.
Referring to fig. 3, the heating body 2 is preferably made of metal, such as copper, iron, or aluminum, for facilitating subsequent heating treatment. Further preferably, a plurality of through-holes 21 have been seted up to heating member 2 outer wall, a plurality of through-holes 21 can be regular distribute in heating member 2, also can irregularly set up at heating member 2, will use the even equidistance of a plurality of through-holes 21 to distribute on heating member 2 as the example in this embodiment and explain, through seting up of through-hole 21, the passageway that makes first storage tank 11 and/or second storage tank 31's both sides wall exist the intercommunication, be convenient for the follow-up material with the both sides wall fuse, and then make pedestal 1 and core 3's being connected more firmly.
Referring to fig. 5 in addition to fig. 3, fig. 5 is a cross-sectional view of the core 3 according to the first embodiment. Preferably, the end of the seat body 1, which is provided with the engagement hole 13, is provided with a first blocking structure 14, the outer wall of the core body 3 is provided with a blocking part 33, and after the core body 3 is inserted into the engagement hole 13, the first blocking structure 14 is blocked into the blocking part 33 for fixing and limiting. When the locking device is used specifically, the number of the first clamping structures 14 is multiple, the multiple first clamping structures 14 are arranged around the end part of the engaging hole 13, and the clamping parts 33 correspond to the first clamping structures 14, that is, one first clamping structure 14 corresponds to one clamping part 33; further, the first detent structure includes, but is not limited to, a square detent, a cylindrical detent structure, and the like. Further preferably, the clamping portion 33 is a clamping groove 331, and the clamping groove 331 may be formed corresponding to the first clamping structure 14, that is, when the number of the first clamping structures 14 is assumed to be three, three clamping grooves 331 are formed around the core body 3; or, the slot 331 is formed in a circle around the outer wall of the core body 3, and the first locking structure 14 is directly locked into the slot 331 without position correspondence, thereby facilitating the combination of the seat body 1 and the core body 3 during assembly. In addition, the clamping portion 33 can be a second clamping block (not identified in the figure), the first clamping structure 14 is adapted to the second clamping block, and after the core body 3 is inserted into the engagement hole 13, the first clamping structure 14 is fastened to the second clamping block, so that the connection and the limitation between the seat body 1 and the core body 3 are realized.
When the femoral artery and vein insertion core is assembled, the heating element is firstly clamped into the first accommodating groove 11, then the core body 3 is inserted into the joint hole 13, so that the part of the heating element exposed out of the first accommodating groove 11 is inserted into the second accommodating groove 31, and meanwhile, the first clamping structure 14 is clamped into the clamping groove 331. It should be noted that, the heating element may be inserted into the second receiving groove 31 first, then, as the core body 3 is inserted into the joint hole 13, a portion of the heating element exposed outside the second receiving groove 31 is inserted into the first receiving groove 11, and meanwhile, the first locking structure 14 is locked into the locking groove 331.
In summary, through the matching use of the seat body 1, the heating body 2 and the core body 3, the heating body 2 is simultaneously inserted into the first receiving groove 11 on the seat body 1 and the second receiving groove 31 on the core body 3, and after the heating body 2 is subjected to temperature rise treatment, the heat of the heating body is transferred to the peripheries of the first receiving groove 11 and the second receiving groove 31, so that the peripheries of the first receiving groove 11 and the second receiving groove 31 are melted and mixed together, and further the hard seat body 1 and the soft core body 3 are fixedly connected.
Example two
The processing technology of the femoral artery and vein insertion core comprises the following steps:
firstly, one end of the heating body 2 is inserted into the first accommodating groove 11 for preliminary positioning;
then, the core 3 is abutted against the base body 1, and meanwhile, one end of the heating body 2 exposed out of the first accommodating groove 11 is inserted into the second accommodating groove 31;
after the base body 1 and the core body 3 are assembled, the whole body is put into a high-frequency hot melting machine, so that the heating body 2 between the base body 1 and the core body 3 is heated and heated, after the heating body is heated to a certain temperature, the heat of the heating body is transmitted to the base body 1 and the core body 3, the far end of the base body 1 is combined with the welding area of the near end of the core body 3 after being hot-melted, and the base body 1 and the core body 3 are combined into a whole after being cooled, so that the base body 1 and the core body 3 are. Wherein, the core 3 can directly select conventional injection molding piece, also can select the shaping piece after carrying out surface treatment to it after injection molding, and the technology to its surface treatment includes:
coating (including but not limited to hydrophilic coating, anticoagulant coating, etc.) the distal end of the core 3 (primarily the tapered portion of the head used to initiate insertion into the patient);
the other portions of the core 3 (mainly the outer wall other than the tapered portion of the head) are subjected to surface texturing (including but not limited to sand blasting, shot blasting, etc.).
So, through pedestal 1, the cooperation of heating member 2 and core 3 is used, the distal end insertion performance of the core 3 of thigh sound arteries and veins lock pin is more superior, the frictional force between core 3 and blood vessel wall is littleer, not only the firm in connection nature of pedestal 1 with core 3 has been strengthened, realize that the pedestal 1 of stereoplasm and soft core 3 obtain good transition, on the other hand also makes the operation in-process to conduct the power of core 3 by pedestal 1 through the regional of heating member 2 butt fusion and can be more smooth and easy, and still avoided the influence of other components to service environment in the use, for example after thigh sound arteries and veins lock pin inserts the human body, can avoid composition such as glue and human blood phase rejection's problem.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A femoral arteriovenous stem insert, comprising: the heating device comprises a base body (1), a heating body (2) and a core body (3), wherein the core body (3) is connected with the base body (1) through the heating body (2); the base body (1) is provided with a first accommodating groove (11), the core body (3) is provided with a second accommodating groove (31), and two end parts of the heating body (2) are respectively positioned in the first accommodating groove (11) and the second accommodating groove (31).
2. The femoral arteriovenous stem insert of claim 1, wherein the first receiving groove (11) and the second receiving groove (31) are any one of a rectangular groove, an arc-shaped groove or a circular groove.
3. The femoral arteriovenous ferrule of claim 1, wherein the heating body (2) is of a metal material.
4. The femoral arteriovenous ferrule of claim 1, wherein the seat body (1) is further provided with a first core hole (12), the core body (3) is further provided with a second core hole (32), and the first core hole (12) is communicated with the second core hole (32).
5. The femoral artery and vein insertion core according to claim 1, wherein the base (1) is further provided with an engagement hole (13) in the extending direction of the first accommodation groove (11), and the core (3) is inserted into the engagement hole (13).
6. The femoral artery and vein insertion core according to claim 5, wherein the end of the base body (1) is further provided with a first clamping structure (14), the outer wall of the core body (3) is provided with a clamping portion (33) corresponding to the first clamping structure, and the first clamping structure (14) and the clamping portion (33) realize limiting.
7. The femoral artery and vein insertion core according to claim 6, wherein the clamping portion (33) is a clamping groove (331) formed in the outer wall of the core body (3), and the first clamping structure (14) is clamped in the clamping groove (331).
8. The femoral artery and vein insertion core according to claim 6, wherein the clamping portion (33) is a second clamping block arranged on the outer wall of the core body (3), and the second clamping block is buckled with the first clamping structure (14).
9. The arteriovenous femoral core insert according to any one of claims 1 to 8, wherein the heating body (2) is provided with a plurality of through holes (21), and the plurality of through holes (21) provide communication channels for both side walls of the first accommodating groove (11) and/or both side walls of the second accommodating groove (31).
10. A process for manufacturing a femoral arteriovenous stem insert according to any one of claims 1 to 9, comprising:
one end part of the heating body (2) is clamped into the first accommodating groove (11) on the base body (1);
the second containing groove (31) on the core body (3) is clamped into the other end part of the heating body (2);
and putting the assembled strand arteriovenous core insert into a high-frequency hot melting machine, and heating the heating body (2) to raise the temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011608880.2A CN112774000A (en) | 2020-12-30 | 2020-12-30 | Femoral artery and vein insertion core and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011608880.2A CN112774000A (en) | 2020-12-30 | 2020-12-30 | Femoral artery and vein insertion core and processing technology thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112774000A true CN112774000A (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011608880.2A Pending CN112774000A (en) | 2020-12-30 | 2020-12-30 | Femoral artery and vein insertion core and processing technology thereof |
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| Country | Link |
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| CN (1) | CN112774000A (en) |
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2020
- 2020-12-30 CN CN202011608880.2A patent/CN112774000A/en active Pending
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