CN213787572U - External auxiliary tool for urethral operation - Google Patents
External auxiliary tool for urethral operation Download PDFInfo
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- CN213787572U CN213787572U CN202022125812.2U CN202022125812U CN213787572U CN 213787572 U CN213787572 U CN 213787572U CN 202022125812 U CN202022125812 U CN 202022125812U CN 213787572 U CN213787572 U CN 213787572U
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- 238000001356 surgical procedure Methods 0.000 claims abstract description 13
- 210000002640 perineum Anatomy 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 6
- 210000003708 urethra Anatomy 0.000 abstract description 30
- 238000005452 bending Methods 0.000 abstract description 5
- 230000036285 pathological change Effects 0.000 abstract description 2
- 231100000915 pathological change Toxicity 0.000 abstract description 2
- 230000003872 anastomosis Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 210000001519 tissue Anatomy 0.000 description 10
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- 238000000034 method Methods 0.000 description 9
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- 206010028980 Neoplasm Diseases 0.000 description 4
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- 230000008569 process Effects 0.000 description 4
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- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 210000001635 urinary tract Anatomy 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 206010051268 Anastomotic stenosis Diseases 0.000 description 1
- 206010005003 Bladder cancer Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 208000005646 Pneumoperitoneum Diseases 0.000 description 1
- 206010060862 Prostate cancer Diseases 0.000 description 1
- 208000000236 Prostatic Neoplasms Diseases 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 208000007097 Urinary Bladder Neoplasms Diseases 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of medical instruments, in particular to an external auxiliary tool for urethral surgery, which comprises a handle part, a supporting rod and a head part; the handle part and the head part are respectively connected to two ends of the supporting rod; the handle part is used for receiving external force and adjusting the force applied during operation of an operating doctor; the support rod at least comprises an arc-shaped bending part which is used for supporting and transmitting acting force; the supporting rod is used for transmitting the external force of the handle part to the head part; the head is used for supporting and contacting the skin, pressing the skin and the area of the adjacent part of the external operation and changing the tension of the operation part in the body cavity. Apply certain pressure through handle portion, pressure is acted on human perineum skin through supporting rod portion, head conduction, through power conduction, produces the deformation, and then presses near tissue and urethra part for the difficult urethra tissue that exposes reduces tension, and help the doctor accurately judge the position and the pathological change severity of waiting to operate the excision position.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially an external appurtenance of urethral surgery.
Background
The operation of excision and repair reconstruction (anastomosis) of the urethra-prostate-bladder continuous part is needed for various diseases of the lower urinary tract, wherein bladder cancer and prostate cancer are one of the most common malignant tumors of the urinary system, the incidence rate rises year by year, related operation treatment is needed, and the key and difficulty of the operation are the reconstruction of the lower urinary tract, namely the bladder-urethra anastomosis operation or the intestinal tract new bladder-urethra anastomosis operation and the like. This procedure requires cutting the bladder neck from the prostatic cusp urethra and reconstructing the urethra. The ideal environment for the bladder-urethra anastomosis operation is that the anastomosis tension of the broken end of the urethra and the neck opening of the bladder is minimum, the operation visual field is clearly exposed, and the region of the anastomosis opening is clean and has no blood seepage.
In the current clinical operation process, the bladder/prostate position is positioned at the bottom of the pelvic cavity of a human body, and the operation area is deep in both open operation and minimally invasive endoscopic operation. Particularly, in laparoscopic surgery or robot-assisted surgery, tissues at the junction between the urethra or the urethra stump and the perineum at the operation site are not easily exposed due to the fact that the pelvic floor muscles and perineum tissues are locally displaced under pneumoperitoneum pressure to cause the displacement of the urethra (or the urethra stump) and the like. In the repair stage, the urethra anastomotic stoma is positioned at the lowest part of the pelvic cavity of a male or female, and a series of complications such as deep operation area, narrow operation space, high difficulty in suture technology, long time consumption in operation, difficult guarantee of effect, easy occurrence of urine leakage or anastomotic stenosis and the like exist. Satisfactory operation effect can not be achieved only by the improvement of the bladder-urethra anastomosis operation technology such as the reasonable use of the clinician and the current instruments.
In the stage of surgical excision of pelvic floor bladder prostate and urethra, prostate tip tumors and tumors invading bladder neck easily cause insufficient excision in the operation due to the exposure problem of the operation area, and postoperative pathology prompts incisal margin positive and the like. In the repair and reconstruction stage, in order to facilitate the suture operation of the (new) bladder-urethra anastomosis operation, a common method at present is to use a metal probe as an auxiliary tool to insert the metal probe into the urethra to the residual urethra orifice to help guide the needle insertion, but the head end of the metal probe is small and round, so that the residual urethra is difficult to keep good longitudinal tension and transverse expansion state, only a preferential guide effect can be achieved, the longitudinal tension of the urethra residual end cannot be changed, the inaccurate anastomosis orifice alignment and mucosa inversion suture are easy to occur during the suture, and postoperative anastomotic orifice urine leakage and stenosis, uneven suture tension, insufficient needle insertion and suture alignment satisfaction degree and the like can be caused.
Using the metal probe described above as an aid, only the tension of the urethral opening is taken into account, and the exposure and tension on the side of the bladder neck are not taken into account. Due to the problems of insufficient exposure, longitudinal retraction of the residual urethra end, tension of the far-end urethra and the like, the cutting position is difficult to judge, the tension of the bladder neck is too high, and suturing in the operation is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problems of insufficient exposure and overlarge tension of a bladder neck during a bladder-urethra anastomosis operation in the prior art, the external auxiliary tool for the urethra operation is provided, can fully expose and raise urethra tissues which are not easy to expose and are wrapped by external sphincter of urethra (a part of pelvic floor muscle in anatomy), and the like, is favorable for judging the excision position, accurately excises, improves the tumor surgical operation effect, changes the tension of urethra stub position, is favorable for reducing the tension of an anastomosis opening, obviously reduces the operation difficulty, and improves the operation effect.
In order to realize the purpose, the utility model discloses a technical scheme be:
an external auxiliary tool for urethral operation comprises a handle part, a support rod and a head part;
the handle part and the head part are respectively connected to two ends of the supporting rod;
the handle part is used for receiving external force;
the support rod at least comprises an arc-shaped bent part for supporting;
the supporting rod is used for transmitting the external force of the handle part to the head part;
the head is used for supporting and contacting the skin and pressing the perineum operation position.
In the process of carrying out clinical urethra anastomosis surgery, after incisions are cut and tissues of a surgical position are exposed, a doctor holds the external auxiliary tool by hands, the head of the external auxiliary tool is placed in a perineum urethra body surface projection skin area of the surgical position, certain pressure is applied through the handle part, the pressure acts on the skin of the perineum part through the support rod part and head conduction, deformation is generated through internal conduction, and pelvic floor muscle groups and a urethra part are further pressed, the urethra tissues which are not easy to expose from the internal surgical position reduce tension under the effect of the head pressure of the external auxiliary tool, exposure is facilitated, the tension of the surgical area is obviously reduced, the position and the lesion severity of the excision position to be operated are accurately judged by the doctor, accurate cutting is realized, the proportion that the traditional prostate tip part is a incisal edge positive high-hair part is reduced, the incisal edge positive rate is reduced, and the tumor treatment effect is improved. (1) The physician more precisely resects the lesion in the urethra/prostate (or bladder neck) portion within the body cavity with better exposure; (2) the anastomosis tension is reduced in the process of repairing the urethra-bladder continuity in the body cavity, the anastomosis is accurate, the operation difficulty is reduced, the operation time is reduced, the operation flow is simplified, and the operation effect is improved. As a preferred embodiment of the present invention, the support rod is arc-shaped, S-shaped or C-shaped.
The circular arc-shaped, S-shaped or C-shaped structure is beneficial to the formation of support and pressure conduction and is consistent with the operation habit of the traditional operating table of a surgeon.
As the preferable scheme of the utility model, the head is one of a hemisphere, a sphere and a polyhedron.
As a preferred scheme of the utility model, the supporting rod is a hollow rod, a solid rod or a hollow rod; the head is a hollow or solid head.
As a preferable embodiment of the present invention, the handle portion, the support rod, and the head portion are integrally formed. Namely, the handle portion, the support rod and the head portion are manufactured as an integral piece by adopting an integral molding technology.
As a preferable scheme of the present invention, the supporting rod comprises a first straight rod part and a first arc part which are connected with each other; the free end of the first straight rod part is connected with the head part; the free end of the first arc-shaped part is connected with the handle part.
Play support and transmission effect through first arc portion, first straight pole portion has effectively increased the length of straight pole portion.
As a preferred scheme of the present invention, the supporting rod further comprises a second straight rod part, a second arc part and a third straight rod part which are connected in sequence; the free end of the second straight rod part is connected with the free end of the first arc-shaped part; the free end of the third straight rod part is connected with the handle part.
Through two flexion for the pressure of handle portion is in the in-process of transmitting to the head, passes through third straight rod portion, second arc portion, second straight rod portion, first flexion and first straight rod portion in proper order. The transmission of atress is because of the deformation of material carries out the transmission, through the interval combination of straight-bar and flexion, utilizes the nature that the flexion is changeed deformation for pressure is slower in the transmission course, and forms degressive state, avoids exerting external force too big at the handle portion, leads to the head to the too big damage that causes of pressure of human body.
As a preferred embodiment of the present invention, the central angle corresponding to the first arc-shaped portion and/or the degree of the central angle corresponding to the second arc-shaped portion can be adjusted.
Under the action of external force, the bending degree of the first arc-shaped part and the second arc-shaped part can be changed.
As a preferable scheme of the present invention, a central angle corresponding to the first arc-shaped portion is 180 degrees; the central angle corresponding to the second arc-shaped part is 135 degrees.
As the preferable proposal of the utility model, the length of the handle part is 5-20 cm; the diameter of the handle part is 2-8 cm;
the head is spherical, and the diameter of the spherical head is 2-4 cm;
the diameter of the supporting rod is 0.5-6 cm;
the lengths of the first straight rod part, the second straight rod part and the third straight rod part are all 1-8 cm;
the diameter of the first arc-shaped part is 10-18 cm;
the diameter of the second arc-shaped part is 3-7 cm.
As a preferable scheme of the utility model, the diameter of the handle part is 3cm, and the length is 10 cm; the diameter of the head part is 3 cm;
the diameter of the supporting rod is 1.5 cm;
the length of the first straight rod part is 3.5cm, the length of the second straight rod part is 5cm, and the length of the third straight rod part is 5 cm;
the diameter of the first arc-shaped part is 14cm, and the diameter of the second arc-shaped part is 5 cm.
As the preferred scheme of the utility model, handle portion is equipped with the non-skid protrusion.
As a preferable embodiment of the present invention, the cross section of the support rod is circular or polygonal.
As the preferred scheme of the utility model, the connection can be dismantled to handle portion, support pole and head, and the connected mode is bolted connection, one of riveting.
The use method of the device is that,
s1, placing the head at the position below the wound of the perineum operation part, wherein the middle part of the support rod is a support point, and the handle part is positioned at one side of the support rod away from the head;
and S2, pressing the handle part to move downwards to the side far away from the head part, and moving the head part upwards to support the operation site.
During use, the support point of the support bar moves along the arcuate bend. That is, the support point is a tangent point of the curved arc portion and is not a fixed point.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses an external appurtenance of urethral operation, through the cooperation of handle portion, supporting part and head, when urethral operation, convenient to use can fully expose urethra and urethra-bladder prostate continuous position peripheral tissue, guarantees that meticulous accurate operation excision pathological change reduces the tension of coincide mouth in the repair process, and the accuracy reduces the operation degree of difficulty, promotes the operation effect, implements more exquisite operation of seeking essence promptly.
2. The utility model discloses an external appurtenance of urethral surgery through the combination of flexion and straight rod portion for the atress conduction is more controllable, avoids human skin atress to lead to the fact the damage greatly.
3. The utility model discloses an external appurtenance of urethral operation through the size setting to each part, and the position relation that operates the operation in-process with patient when more conforming to the operation person can be different according to the patient situation, fixes the device with the mode of difference, adopts the mode that promotes or stimulate handle portion to operate the device, realizes external oppression that closes on the skin region outside to patient's perineum portion, gives different dynamics, the tension of the internal operation side urethra stub of moderate degree adjustment.
Drawings
Fig. 1 is a schematic structural view of an extracorporeal auxiliary tool for urethral operation according to embodiment 1 of the present invention.
Fig. 2 is a left side view schematically illustrating the urethral operation extracorporeal auxiliary tool according to embodiment 1 of the present invention.
Fig. 3 is a schematic top view of the urethral operation extracorporeal auxiliary tool according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of the urethral operation extracorporeal auxiliary tool according to embodiment 2 of the present invention.
Fig. 5 is a left side view schematically illustrating the urethral operation extracorporeal auxiliary tool according to embodiment 2 of the present invention.
Fig. 6 is a schematic top view of the urethral operation extracorporeal auxiliary tool according to embodiment 2 of the present invention.
Icon: 1-a handle part; 2-a support rod; 3-a head; 21-a first straight bar portion; 22-a first arc; 23-a second straight shank portion; 24-a second arc; 25-third straight shank portion.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
An external auxiliary tool for urethral operation is shown in fig. 1, fig. 2 and fig. 3, and comprises a handle part 1, a support rod 2 and a head part 3;
the handle part 1 and the head part 3 are respectively connected to two ends of the supporting rod 2;
the handle part 1 is used for receiving external force; the support rod 2 at least comprises an arc-shaped bending part for supporting; the supporting rod 2 is used for transmitting the external force of the handle part 1 to the head part 3;
the head 3 is used for supporting and contacting the skin and pressing the operation site.
The support rod 2 is arc-shaped; the head 3 is spherical; and may be hemispherical or polyhedral. The head 3 is a solid head.
The supporting rod 2 is a solid rod; hollow rods and hollow rods can also be used;
the handle portion 1, the support rod 2 and the head portion 3 are integrally formed.
The supporting rod 2 comprises a first straight rod part 21 and a first arc-shaped part 22 which are connected; the free end of the first straight rod part 21 is connected with the head part 3; the free end of the first arc-shaped portion 22 is connected to the handle portion 1. Specifically, one end of the first straight rod portion 21 is connected to the first arc-shaped portion 22, and the other end of the first straight rod portion 21 is a free end of the first straight rod portion 21. One end of the first arc-shaped part 22 is connected with the first straight rod part 21, and the other end of the first arc-shaped part 22 is a free end of the first arc-shaped part 22.
The central angle corresponding to the first arc-shaped part 22 is 180 degrees; i.e. the first straight shank portion 21 and the handle portion 1 are in a parallel state.
The diameter of the handle portion 1 and the head portion 3 is larger than that of the support shaft 2.
The handle part 1 is provided with anti-skid projections.
The cross section of the support rod 2 is circular or polygonal.
In a further scheme, the handle part 1, the supporting rod 2 and the head part 3 are detachably connected in one of bolt connection and riveting.
When the perineum surgical instrument is used, the head 3 is placed at the position below a wound of a perineum surgical site, the middle part of the supporting rod 2 is used as a supporting point, the handle part 1 is pulled in the direction far away from the head 3, and pressure is conducted to the skin of the perineum through the supporting rod 2 and the head 3 to squeeze nearby tissues, so that urethra tissues which are not easy to expose, such as a bladder neck and the like of the surgical site are exposed under the action of the head pressure of an in-vitro auxiliary tool, and doctors can accurately judge the position of the to-be-surgically-cut site and the severity of lesion; the function of reducing the tension of the anastomotic incision is realized, thereby facilitating the surgical suture of doctors and shortening the surgical time; meanwhile, the urethra to be sutured and other tissue parts are fully exposed and are not influenced by the interference of other adjacent tissues, so that the operation difficulty is reduced, and the operation effect is obviously improved.
The auxiliary tool can be assembled by using plastic, metal, resin, rubber, high polymer materials, composite materials and the like and combination of various materials, the handle part 1, the supporting rod 2 and the head part 3 can be made of the same material or different materials, the auxiliary tool can be used by adopting a combination of different materials under the condition that the force can be changed if necessary, and the material used by the head part has biological safety.
In a further aspect, the material used is capable of deforming under the influence of an external force.
In a further aspect, the ease of operation of the device, related factors include: the dimensions of the device, the proportions of the parts and the choice of materials.
Example 2
In this embodiment, a support rod 2 is improved based on embodiment 1. As shown in fig. 4, 5 and 6, the support rod 2 further includes a second straight rod portion 23, a second arc-shaped portion 24 and a third straight rod portion 25 connected in sequence; the free end of the second straight rod part 23 is connected with the free end of the first arc-shaped part 22; the free end of the third straight rod part 25 is connected with the handle part 1.
That is, the handle section 1, the third straight lever section 25, the second arc-shaped section 24, the second straight lever section 23, the first arc-shaped section 22, the first straight lever section 21, and the head section 3 are connected in this order.
Through the two bending portions, the pressure of the handle portion 1 passes through the third straight rod portion 25, the second arc-shaped portion 24, the second straight rod portion 23, the first bending portion 22 and the first straight rod portion 21 in sequence in the process of being transmitted to the head portion 3. The transmission of atress is because of the deformation of material carries out the transmission, through the interval combination of straight-bar and flexion, utilizes the nature that the flexion is changeed deformation for pressure is slower in the transmission course, and forms degressive state, avoids exerting external force too big at the handle portion, leads to the head to the too big damage that causes of pressure of human body.
The central angle corresponding to the first arc-shaped part is 180 degrees; namely, the first straight rod part 21 and the second straight rod part 23 are parallel;
the central angle corresponding to the second arc-shaped part is 135 degrees. I.e. the angle between the second straight rod part 23 and the third straight rod part 25 is 45 degrees.
Over the length of the components, the following settings can be used:
the length of the handle part is 5-20 cm; the diameter of the handle part is 2-8 cm;
the head is spherical, and the diameter of the spherical head is 2-4 cm;
the diameter of the supporting rod is 0.5-6 cm;
the lengths of the first straight rod part, the second straight rod part and the third straight rod part are all 1-8 cm;
the diameter of the first arc-shaped part is 10-18 cm;
the diameter of the second arc-shaped part is 3-7 cm.
In a further scheme, the diameter of the handle part is 3cm, and the length of the handle part is 10 cm; the diameter of the head part is 3 cm;
the diameter of the supporting rod is 1.5 cm;
the length of the first straight rod part is 3.5cm, the length of the second straight rod part is 5cm, and the length of the third straight rod part is 5 cm;
the diameter of the first arc-shaped part is 14cm, and the diameter of the second arc-shaped part is 5 cm.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An external auxiliary tool for urethral operation is characterized by comprising a handle part (1), a supporting rod (2) and a head part (3);
the handle part (1) and the head part (3) are respectively connected to two ends of the supporting rod (2);
the handle part (1) is used for receiving external force;
the supporting rod (2) at least comprises an arc-shaped bent part for supporting;
the supporting rod (2) comprises a first straight rod part (21) and a first arc-shaped part (22) which are connected; the free end of the first straight rod part (21) is connected with the head part (3); the free end of the first arc-shaped part (22) is connected with the handle part (1);
the supporting rod (2) is used for transmitting the external force of the handle part to the head part;
the head (3) is used for supporting and contacting the skin and pressing the perineum operation position.
2. Extracorporeal aid for urethral surgery according to claim 1, characterised in that the support rod (2) is circular, S-shaped or C-shaped.
3. The urethral surgery extracorporeal aid according to claim 1, characterized in that the head (3) is one of hemispherical, spherical, polyhedral.
4. The external auxiliary tool for urethral surgery according to claim 1, characterized in that the support rod (2) is a hollow rod, a solid rod or a hollowed rod; the head (3) is a hollow or solid head.
5. An extracorporeal aid for urethral surgery according to any one of claims 1-4, characterised in that the handle portion (1), the support shaft (2) and the head portion (3) are integrally formed.
6. The external auxiliary tool for urethral surgery according to claim 1, characterized in that the supporting rod (2) further comprises a second straight rod part (23), a second arc-shaped part (24) and a third straight rod part (25) which are connected in sequence; the free end of the second straight rod part (23) is connected with the free end of the first arc-shaped part (22); the free end of the third straight rod part (25) is connected with the handle part (1).
7. The urethral surgery extracorporeal aid according to claim 6, characterized in that the first arc-shaped portion (22) corresponds to a central angle of 180 degrees; the central angle corresponding to the second arc-shaped part (24) is 135 degrees.
8. An extracorporeal aid for urethral surgery according to claim 7, characterised in that the handle portion (1) has a length of 5-20 cm; the diameter of the handle part (1) is 2-8 cm;
the head (3) is spherical, and the diameter of the spherical head (3) is 2-4 cm;
the diameter of the supporting rod (2) is 0.5-6 cm;
the lengths of the first straight rod part (21), the second straight rod part (23) and the third straight rod part (25) are all 1-8 cm;
the diameter of the first arc-shaped part (22) is 10-18 cm;
the diameter of the second arc-shaped part (24) is 3-7 cm.
9. An extracorporeal aid for urethral surgery according to claim 8, characterised in that the handle portion (1) has a diameter of 3cm and a length of 10 cm; the diameter of the head (3) is 3 cm;
the diameter of the supporting rod (2) is 1.5 cm;
the length of the first straight rod part (21) is 3.5cm, the length of the second straight rod part (23) is 5cm, and the length of the third straight rod part (25) is 5 cm;
the diameter of the first arc-shaped part (22) is 14cm, and the diameter of the second arc-shaped part (24) is 5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022125812.2U CN213787572U (en) | 2020-09-24 | 2020-09-24 | External auxiliary tool for urethral operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022125812.2U CN213787572U (en) | 2020-09-24 | 2020-09-24 | External auxiliary tool for urethral operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213787572U true CN213787572U (en) | 2021-07-27 |
Family
ID=76955167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022125812.2U Active CN213787572U (en) | 2020-09-24 | 2020-09-24 | External auxiliary tool for urethral operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213787572U (en) |
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2020
- 2020-09-24 CN CN202022125812.2U patent/CN213787572U/en active Active
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