CN215306217U - Biliary tract expansion bougie with multiple expansion functions - Google Patents
Biliary tract expansion bougie with multiple expansion functions Download PDFInfo
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- CN215306217U CN215306217U CN202121342943.4U CN202121342943U CN215306217U CN 215306217 U CN215306217 U CN 215306217U CN 202121342943 U CN202121342943 U CN 202121342943U CN 215306217 U CN215306217 U CN 215306217U
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- bougie
- expansion
- dilation
- biliary tract
- working part
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Abstract
The utility model relates to a biliary tract expansion bougie with multiple expansion functions, which comprises a clamping part and a working part, wherein the clamping part is fixedly connected with the working part, the working part is formed by sequentially and coaxially fixedly connecting a plurality of cylindrical sections with different outer diameter sizes from small to large, and the outer diameter size of the cylindrical section at the free end of the working part is the minimum size, compared with the prior art, the biliary tract expansion bougie has the following advantages: thereby reach the operation purpose that biliary tract expansion just can be realized to a bougie through set up the cylindricality section of the different external diameters of multistage on the work portion of expansion bougie, broken the operation that adopts many bougies of traditional type, improved the efficiency of operation greatly, alleviateed patient's economy and psychological pressure.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a biliary tract expansion bougie with multiple expansion functions.
Background
Regarding to chinese patent CN1101611011978128.6, it discloses a biliary tract metal spiral expansion bougie, which comprises a cylindrical bougie body and a handle-shaped bougie tail fixedly connected with the bougie body, and a stainless steel and conical bougie head fixedly connected with the top end of the bougie body. The head of the bougie in the utility model is made of metal material, the head is thin and conical, the outer wall of the bougie head is provided with spiral lines, the bougie body and the tail become thicker gradually and also take a spiral shape, the bougie can advance spirally by rotating and expanding the bougie through a rotating handle on the bougie tail, in order to enable the strength of the handle to be easier to be transmitted to the bougie head, the bougie body and the tail also use metal, thereby the rotating strength at the handle can be easily transmitted to the bougie head, the bougie head can be screwed into a narrow section like a screw, thereby easily crossing the narrow section and expanding the narrow section, and further the bracket can be successfully placed and the operation is successful,
although the technical problem that the biliary tract dilation bougie is difficult to pass through a narrow section in the using process is solved, in the actual operation process, a plurality of dilation bougies with different calibers are usually needed to be used for dilation, specifically, when a patient has biliary tract stenosis or a common bile duct needs to be probed through a cystic duct, biliary tract dilation bougies with different calibers are needed to be used, the biliary tract dilation bougies are of 6Fr/8Fr/10Fr/12Fr/14Fr/16Fr (6-16Fr) outer diameter, and are inserted into the biliary tract of the patient step by step from small to large, so that the purpose of biliary tract dilation is achieved, and meanwhile, the probability of biliary tract injury is reduced (if a 16Fr dilation catheter is directly adopted, the biliary tract injury is difficult to succeed, and the biliary tract injury is easy to cause, serious complications such as biliary tract perforation occur), this can lead to inefficient surgery (requiring the preparation of multiple dilation catheters of different diameters and sizes) and also places a significant economic and psychological burden on the patient.
Therefore, the existing problems are urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, the present invention provides a biliary tract dilation bougie with multiple dilation functions, which is convenient for doctors to use and operate, improves surgery efficiency, reduces medical resource consumption, and reduces economic burden of patients.
In order to achieve the purpose, the biliary tract expansion bougie with multiple expansion functions comprises a clamping part and a working part, wherein the clamping part is fixedly connected with the working part, the working part is formed by coaxially and fixedly connecting a plurality of cylindrical sections with different outer diameter sizes in sequence from small to large, and the outer diameter size of the cylindrical section at the free end of the working part is the minimum size;
thereby reach the operation purpose that biliary tract expansion just can be realized to a bougie through set up the cylindricality section of the different external diameters of multistage on the work portion of expansion bougie, broken the operation that adopts many bougies of traditional type, improved the efficiency of operation greatly, alleviateed patient's economy and psychological pressure.
In an embodiment of the present invention, the clamping portion is also composed of cylindrical sections, and conical sections are connected between the cylindrical sections;
set up the toper section and not only play the joint strength between the reinforcing cylindricality section, still play and avoid arousing the vice damage of biliary tract among the expansion process to reach quick safe effectual expansion, increase operation safety and operation efficiency, bring bigger benefit for the patient.
In an embodiment of the present invention, the cylindrical section and the conical section are fixedly connected to form the dilating bougie by integral molding;
the connection strength between the cylindrical section and the conical section is enhanced by adopting an integrally formed design.
In an embodiment of the present invention, the expansion bougie is provided with a through inner cavity hole along an axial direction thereof;
when the cylindrical section at the free end of the working part can not be expanded, the expansion is carried out by inserting a traction guide wire into the inner cavity hole, and the traction guide wire plays a role of guiding the expansion of the expansion bougie.
In an embodiment of the present invention, the outer surface of the clamping portion is provided with an anti-slip thread;
set up protection screw thread and play the coefficient of friction that increases this expansion pipe, and then the static friction power of palm and this clamping part for this expansion pipe is held more easily to the palm, thereby the condition of skidding can not appear.
In an embodiment of the present invention, the expansion bougie is made of polyethylene or polypropylene;
polyethylene or polypropylene is a commonly used material for pipeline application, and is widely applied to the medical field, in particular to various medical instruments of endoscopes, such as balloon catheters, lithotomy balloons and the like. Compared with the current latex soft catheter, the material has moderate hardness and strong plasticity, and can meet the requirement of expanding biliary tract.
In an embodiment of the utility model, the end surfaces of the two free ends of the expansion bougie are designed to be rounded;
the terminal surface of the free end of work portion adopts the fillet design, avoids arousing the vice damage of biliary tract among the expansion process to reach quick safe effectual expansion, increase operation safety and operation efficiency, bring bigger benefit for the patient, the terminal surface of the free end of clamping part adopts the fillet design, plays the purpose that prevents the fish tail medical personnel palm from appearing.
In an embodiment of the utility model, the outer diameter of the cylindrical section of the clamping portion is larger than the outer diameter of the cylindrical section of the working portion;
the outer diameter of the cylindrical section of the clamping part is the largest, the limiting effect is achieved, the outer diameter of the clamping part is larger than the outer diameter of a minimally invasive wound of a patient, and therefore the situation that the whole expansion bougie extends into the body of the patient is prevented.
Compared with the prior art, the utility model has the beneficial effects that:
thereby reach the operation purpose that biliary tract expansion just can be realized to a bougie through set up the cylindricality section of the different external diameters of multistage on the work portion of expansion bougie, broken the operation that adopts many bougies of traditional type, improved the efficiency of operation greatly, alleviateed patient's economy and psychological pressure.
Drawings
Fig. 1 is a sectional view of a biliary tract dilation bougie with multiple dilation functions of the present invention.
In the figure: 1. expanding the bougie; 11. a clamping portion; 12. a working part; 121. a cylindrical section; 122. a tapered section; 13. an inner cavity hole.
Detailed Description
To explain the technical content, structural features, attained objects and effects of the present invention in detail, embodiments are described below in detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
Referring to FIG. 1, the present invention provides an embodiment:
the utility model provides a biliary tract expansion bougie with multiple expansion functions, the biliary tract expansion bougie 1 comprises a clamping part 11 and a working part 12, wherein the working part 12 consists of a plurality of cylindrical sections 121 with different outer diameter sizes, specifically, the working part 12 consists of 3 cylindrical sections 121, the 3 cylindrical sections 121 with different outer diameter sizes are sequentially connected from small to large to form the working part 12, and in order to ensure that the biliary tract expansion bougie is stressed stably and has an attractive appearance, the 6 cylindrical sections 121 in the working part 12 are coaxially arranged;
the clamping part 11 is also composed of cylindrical sections 121, each cylindrical section 121 in the expansion bougie 1 is connected through a conical section 122, the function of the clamping part is to enhance the connection strength between the cylindrical sections 121 and avoid biliary tract auxiliary damage caused in the expansion process, so that rapid, safe and effective expansion is achieved, the operation safety and the operation efficiency are increased, and a patient is greatly benefited, wherein the conical section 122 and the cylindrical sections 121 are integrally formed through an injection molding process to form the expansion bougie 1 so as to enhance the strength of the expansion bougie 1, the raw material for injection molding of the expansion bougie 1 is polyethylene or polypropylene, compared with the current soft catheter, the material is moderate in hardness and strong in plasticity, the expansion effect cannot be achieved due to bending caused by cell resistance in the biliary tract expansion process, and the biliary tract auxiliary damage caused by over-hard material in the expansion process is avoided, it is noted that the free end of the working portion 12 has an outer diameter of 6Fr, and the end surface is of rounded design, so as to prevent the biliary tract from being damaged in the expansion process and make the pain of the patient aggravated, the end surface of the free end of the clamping part 11 adopts the fillet design, so that the palm of the medical staff can not be scratched when the medical staff holds the clamping part 11 by hands, thereby influencing the normal operation of the operation, in order to optimize the whole proposal, the outer surface of the clamping part 11 is provided with anti-skid threads to prevent the slipping condition when the medical staff holds the clamping part 11, and the outer diameter of the clamping part 11 is 20Fr, in a large number of surgical procedures, when a minimally invasive surgery is performed on a patient, when a minimally invasive incision is made on a patient, the size of the incision is usually less than 20Fr, and medical accidents that the expansion bougie 1 falls into the body of the patient can be avoided even if the clamping part 11 is clamped by the anti-skid thread;
in order to optimize the whole scheme, a through inner cavity hole 13 is formed in the expansion bougie 1 in the axial direction, when the cylindrical section 121 at the free end of the working part 12 cannot be expanded, a traction guide wire is inserted into the inner cavity hole 13 to be expanded, the traction guide wire plays a role in guiding the expansion of the expansion bougie 1, and the aperture of the inner cavity hole 13 is 3 Fr;
during a specific minimally invasive surgical procedure:
the ERCP multiple biliary dilation bougie has a total length of 185cm, and the working portion 12 is composed of three cylindrical segments 121, each of which has a length of 4 cm.
2. The multiple expansion bougie under the choledochoscope has the total length of 110cm, the working part 12 consists of three cylindrical sections 121, and the length of each cylindrical section in the working part is 4 cm.
3. The multiple biliary tract expansion bougie under the laparoscope has the total length of 15cm, the working part 12 consists of three cylindrical sections 121, the length of the cylindrical section 121 at the free end of the working part 12 is 4cm, and the lengths of the remaining two cylindrical sections 121 are both 3 cm.
The model outer diameters of the expansion bougie working part 12 are divided into 4 types and respectively: 6Fr/8Fr/10Fr, 8Fr/10Fr/12Fr, 10Fr/12Fr/14Fr, 12Fr/14Fr/16Fr to meet different requirements (bile ducts of different patients have different initial diameters, some are expanded and some are narrowed, so that some are expanded from 6Fr, some can be directly expanded from 8Fr, in addition, target diameters of the expanded bile ducts are different, some need to reach 10Fr, and some need to reach 16 Fr);
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a biliary tract expansion bougie with multiple expansion function, expansion bougie (1) includes clamping part (11) and working part (12), clamping part (11) with fixed connection between working part (12), its characterized in that: the working part (12) is formed by sequentially coaxially and fixedly connecting a plurality of cylindrical sections (121) with different outer diameter sizes from small to large, and the outer diameter size of the cylindrical section (121) at the free end of the working part (12) is the minimum size.
2. The biliary dilation bougie with multiple dilation functions of claim 1, wherein: the clamping part (11) is also composed of the cylindrical sections (121), and conical sections (122) are connected between the cylindrical sections (121).
3. The biliary dilation bougie with multiple dilation functions of claim 2, wherein: the cylindrical section (121) and the conical section (122) are fixedly connected to form the expansion bougie (1) in an integrated forming mode.
4. The biliary dilation bougie with multiple dilation functions of claim 1, wherein: the expansion bougie (1) is provided with a through inner cavity hole (13) along the axial direction.
5. The biliary dilation bougie with multiple dilation functions of claim 1, wherein: the outer surface of the clamping part (11) is provided with anti-skid threads.
6. The biliary dilation bougie with multiple dilation functions of claim 1, wherein: the expansion bougie (1) is made of polyethylene or polypropylene.
7. The biliary dilation bougie with multiple dilation functions of claim 1, wherein: the end faces of two free ends of the expansion bougie (1) are designed to be rounded.
8. The biliary dilation bougie with multiple dilation functions of claim 1, wherein: the outer diameter of the cylindrical section (121) of the clamping part (11) is greater than the outer diameter of the cylindrical section (121) of the working part (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121342943.4U CN215306217U (en) | 2021-06-17 | 2021-06-17 | Biliary tract expansion bougie with multiple expansion functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121342943.4U CN215306217U (en) | 2021-06-17 | 2021-06-17 | Biliary tract expansion bougie with multiple expansion functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215306217U true CN215306217U (en) | 2021-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121342943.4U Expired - Fee Related CN215306217U (en) | 2021-06-17 | 2021-06-17 | Biliary tract expansion bougie with multiple expansion functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215306217U (en) |
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2021
- 2021-06-17 CN CN202121342943.4U patent/CN215306217U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |