CN214705156U - Training model for percutaneous renal puncture operation - Google Patents
Training model for percutaneous renal puncture operation Download PDFInfo
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- CN214705156U CN214705156U CN202120902524.5U CN202120902524U CN214705156U CN 214705156 U CN214705156 U CN 214705156U CN 202120902524 U CN202120902524 U CN 202120902524U CN 214705156 U CN214705156 U CN 214705156U
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- 238000012549 training Methods 0.000 title claims abstract description 28
- 238000001802 infusion Methods 0.000 claims abstract description 19
- 238000001356 surgical procedure Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 16
- 229920001817 Agar Polymers 0.000 claims description 10
- 239000008272 agar Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 210000003734 kidney Anatomy 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 8
- 230000010412 perfusion Effects 0.000 abstract description 5
- 241000287828 Gallus gallus Species 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 210000000244 kidney pelvis Anatomy 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- 241001164374 Calyx Species 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- 239000002504 physiological saline solution Substances 0.000 description 4
- 206010020524 Hydronephrosis Diseases 0.000 description 3
- 235000015277 pork Nutrition 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 235000013330 chicken meat Nutrition 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 210000000577 adipose tissue Anatomy 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000002254 renal artery Anatomy 0.000 description 1
- 210000002796 renal vein Anatomy 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a training model for percutaneous renal puncture surgery, which comprises a first body with a first cavity, a second body with a second cavity, an injector, a perfusion tube and a predetermined object arranged in the second cavity, wherein the second body, the injector and the perfusion tube are arranged in the first cavity; the infusion tube comprises a first body, a second body and an infusion tube, wherein the first body is provided with a first tube placing opening communicated with the first cavity, the second body is provided with a second tube placing opening communicated with the second cavity, one end of the infusion tube is connected with the injector, and the other end of the infusion tube sequentially penetrates through the first tube placing opening and the second tube placing opening and is communicated with the second cavity. The utility model discloses can be used for the training of percutaneous kidney puncture operation to improve the puncture technique of medical personnel in percutaneous kidney puncture operation, and then improve the efficiency and the success rate of operation, belong to medical instrument's technical field.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a training model for percutaneous kidney puncture operation.
Background
PCNL (percutaneous nephroscope technique) is a technically difficult and high threshold procedure for urologists. Simulation training is important to establish the confidence of medical care personnel (especially beginners) and reduce the learning time. At present, a virtual simulator realized by a programming language is available, which can be used for training percutaneous renal puncture, but is difficult to be widely popularized due to high cost and lack of touch feeling of real tissues.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the utility model provides a training model of percutaneous kidney puncture operation, the utility model discloses can be used for the training of percutaneous kidney puncture operation to improve the puncture technique of medical personnel in percutaneous kidney puncture operation, and then improve the efficiency and the success rate of operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a training model for percutaneous renal puncture surgery comprises a first body with a first cavity, a second body with a second cavity and arranged in the first cavity, an injector, a transfusion tube and a predetermined object placed in the second cavity; the infusion tube comprises a first body, a second body and an infusion tube, wherein the first body is provided with a first tube placing opening communicated with the first cavity, the second body is provided with a second tube placing opening communicated with the second cavity, one end of the infusion tube is connected with the injector, and the other end of the infusion tube sequentially penetrates through the first tube placing opening and the second tube placing opening and is communicated with the second cavity.
Further, the training model of the percutaneous nephrocentesis also comprises a liquid discharge pipe and a pressure release valve; the liquid discharge pipe is communicated with the infusion tube, and the pressure relief valve is arranged on the liquid discharge pipe.
Further, the pressure relief valve comprises a pipe body, a spring arranged in the pipe body and a floating ball arranged in the pipe body; the pipe body is provided with a first end communicated with the second cavity and a second end communicated with the outside of the first body, the inner wall of the pipe body is provided with a limiting ring with a first through hole and a sealing seat with a second through hole, the sealing seat and the limiting ring are arranged from the first end of the pipe body to the second end of the pipe body, the first through hole is communicated with the second through hole, the spring is positioned between the limiting ring and the sealing seat, one end of the spring is connected with the floating ball, the other end of the spring is connected with the limiting ring, and the floating ball is switched between a blocking position and a circulating position; when the floating ball is located at the blocking position, the floating ball is abutted against the sealing seat and blocks the second through hole of the sealing seat; when the floating ball is located at the circulation position, the floating ball opens the second through hole of the seal holder.
The device also comprises a sucker, a gas pipe and an air pump; the air pump passes through the gas-supply pipe with the sucking disc is connected, the sucking disc is located in the first cavity, the second body adsorbs on the sucking disc.
Further, the training model of the percutaneous renal puncture surgery also comprises agar filled in the first cavity; the agar is filled between the second body and the inner wall of the first cavity.
Further, the training model of the percutaneous nephrolithotomy also comprises a workbench; the first body is mounted on the table.
Further, the workbench is provided with a fixing belt, one end of the fixing belt is fixed on the workbench, and the other end of the fixing belt is bound on the first body.
Further, the maximum length of the predetermined object is 10mm to 20 mm.
Compared with the prior art, the utility model, its beneficial effect lies in: the utility model discloses can be used for training the process of PCNL puncture, increase beginner medical personnel's puncture experience and proficiency to improve the security and the validity of PCNL puncture guide in the art. The utility model has the advantages of low cost, convenient manufacture and multiple puncture. The utility model discloses similar with human tissue's sensation when the puncture, can improve the puncture technique of medical personnel in percutaneous kidney puncture operation effectively, and then improve the efficiency and the success rate of operation.
Drawings
FIG. 1 is a schematic structural diagram of a training model for percutaneous nephropuncture surgery
Fig. 2 is a schematic view in the direction of a-a in fig. 1.
Fig. 3 is a schematic structural view of the pressure relief valve.
In the figure, 1 is a first body, 2 is a second body, 3 is a syringe, 4 is a transfusion tube, 5 is a liquid discharge tube, 6 is a pressure release valve, 7 is a suction cup, 8 is a gas pipe, 9 is an air pump, 10 is a workbench, 11 is a first cavity, 21 is a second cavity, 61 is a tube body, 62 is a spring, 63 is a floating ball, 64 is a first through hole, 65 is a limit ring, 66 is a second through hole, 67 is a seal seat, 68 is a first end, 69 is a second end, and 100 is a predetermined object.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", "communicating" and "clamped" are to be understood in a broad sense, for example, as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For convenience of description, unless otherwise noted, the up-down direction described below coincides with the up-down direction of fig. 2 itself, and the left-right direction described below coincides with the left-right direction of fig. 2 itself.
As shown in fig. 1 to 3, a training model of percutaneous nephrolithotomy comprises a first body 1 having a first cavity 11, a second body 2 having a second cavity 21 and mounted in the first cavity 11, a syringe 3, an infusion tube 4, and a predetermined object 100 placed in the second cavity 21; the predetermined object is an artificial stone for simulating a stone. The first body 1 is provided with a first pipe orifice, the first cavity 11 is communicated with the outside of the first body 1 through the first pipe orifice, the second body 2 is provided with a second pipe orifice, the second cavity 21 is communicated with the first cavity 11 through the second pipe orifice, one end of the infusion tube 4 is connected with the injector 3, and the other end of the infusion tube 4 sequentially passes through the first pipe orifice, the second pipe orifice and is positioned in the second cavity 21. The first body 1 is used to simulate a human body, the second body 2 is used to simulate a kidney, and the injector 3 may inject water or saline into the kidney for simulating hydronephrosis.
Specifically, in one embodiment, the training model of the percutaneous renal puncture surgery further comprises a drainage tube 5 connected with the infusion tube 4, and a pressure relief valve 6 mounted on the drainage tube 5. When water or normal saline in the second cavity 21 of the second body 2 is full, the second cavity 21 increases hydraulically, and when continuing to inject into the second cavity 21, water or normal saline can flow out from the pressure release valve 6, so that the water or normal saline in the second cavity 21 can be known to be full, and the injection is stopped. It is possible to prevent the second body 2 from being crushed due to excessive injection of water or physiological saline.
Specifically, in one embodiment, the relief valve 6 includes a tube 61, a spring 62 and a floating ball 63 both mounted within the tube 61; the pipe body 61 is provided with a first end 68 communicated with the second cavity 21 and a second end 69 communicated with the outside of the first body 1, the inner wall of the pipe body 61 is provided with a limiting ring 65 provided with a first through hole 64 and a sealing seat 67 provided with a second through hole 66, the sealing seat 67 and the limiting ring 65 are sequentially arranged from the first end 68 of the pipe body 61 to the second end 69 of the pipe body 61, the first through hole 64 is communicated with the second through hole 66, the spring 62 is positioned between the limiting ring 65 and the sealing seat 67, one end of the spring 62 is connected with the floating ball 63, the other end of the spring 62 is connected with the limiting ring 65, and the floating ball 63 is switched between a blocking position and a circulating position; when the floating ball 63 is located at the blocking position, the floating ball 63 abuts against the seal seat 67 and blocks the second through hole 66 of the seal seat 67; when the floating ball 63 is in the flow position, the floating ball 63 opens the second through hole 66 of the seal seat 67. When the second cavity 21 of the second body 2 is full of water or saline, the hydraulic pressure of the second cavity 21 increases, the liquid flows in from the first end 68 of the tube 61, the floating ball 63 is pressed to the second end 69 of the tube 61 by the hydraulic pressure against the elastic force of the spring 62, a circulating channel is formed in the tube 61, and the water or saline is discharged from the drain pipe 5. When the hydraulic pressure is not enough to overcome the elastic force of the spring 62 after a certain amount of water or physiological saline is discharged, the spring 62 recovers deformation, and the floating ball 63 abuts against the sealing seat 67 and blocks the second through hole 66 of the sealing seat 67, so that sealing is realized.
Specifically, in one embodiment, the training model for percutaneous nephrolithotomy further comprises a suction cup 7, a gas pipe 8 and a gas pump 9; the air pump 9 is connected with the sucker 7 through the air pipe 8, the sucker 7 is positioned in the first cavity 11, and the second body 2 is adsorbed on the sucker 7. The sucking disc 7 is located the below of second body 2, and air pump 9 is bled through the air pump and is made sucking disc 7 adsorb the surface of second body 2, realizes the place of second body 2, compares in adopting anchor clamps centre gripping second body 2, and sucking disc 7 can not damage second body 2, can not influence the puncture of pjncture needle yet.
Specifically, in one embodiment, the training model of the percutaneous nephropuncture procedure further includes agar filled in the first cavity 11; the agar is filled between the second body 2 and the inner wall of the first cavity 11, so that the first cavity 11 is as close to the human internal environment as possible.
Specifically, in one embodiment, the training model for percutaneous nephropuncture surgery further includes a table 10; the first body 1 is fixed on a worktable 10, and the worktable 10 is convenient for positioning the first body 1.
Specifically, in one embodiment, the working platform 10 is provided with a fixing band, one end of the fixing band is fixed on the working platform 10, and the other end of the fixing band is bound on the first body 1, so as to prevent the first body 1 from moving.
Specifically, in one embodiment, the predetermined object 100 has a maximum length of 10mm to 20mm, and 2 to 3 pieces of the predetermined object are placed in the second cavity 21.
Specifically, in one embodiment, the first body 1 is a slaughtered and eviscerated broiler chicken and the second body 2 is a detached pig kidney. The four fixing belts are respectively tied on two legs and two wings of the broiler chicken.
The utility model discloses a preparation and use:
the method comprises the following steps: preparing materials: the complete and fresh pig kidney is 15-17cm long and serves as a second body; broiler chickens weighing about 3.5kg as a first body; a plurality of artificial predetermined objects with the diameter of 10mm-20 mm; a transfusion tube; a liquid discharge pipe; a pressure relief valve; a suction cup; a gas delivery pipe; an air pump; a syringe filled with physiological saline; agar; a wood board as a workbench; a blade; scissors; sewing; piercing probes, etc.
Step two: cutting off redundant renal pelvis adipose tissues from fresh pig kidneys, separating renal arteries, renal veins and the renal pelvis, incising the renal pelvis, and placing 2-3 artificial preset objects with the diameter of 10-20mm into the renal pelvis and renal calyx through the renal pelvis incision, wherein the renal pelvis and renal calyx are equivalent to a second cavity of the second body. The perfusion tube is arranged in the renal pelvis and the renal calyx so as to inject normal saline to form the hydrops of the artificial kidney, the incision of the renal pelvis is tightly sewed by a suture and the perfusion tube is fixed, and the drainage tube and the pressure release valve are arranged on the perfusion tube.
Step three: the head of a chicken is removed from a fresh broiler chicken, a small opening is cut from the bottom of the chicken, all internal organs are removed, and the cavity where the internal organs are located is equivalent to the first cavity of the first body.
Step four: and placing the prepared pork kidney into the viscera-removed broiler chicken, starting a sucking disc through an air pump to suck the pork kidney, filling a gap between the pork kidney and the broiler chicken body with agar, evacuating air, and waiting for the agar to be cooled and fixed so as to carry out ultrasonic examination.
Step five: after the agar is cooled and fixed and no obvious gap is found, all openings of the broiler chicken are sutured by using sutures to form a closed space, so that the peripheral environment of the kidney of a human is simulated, and the injector is kept outside to inject physiological saline as hydronephrosis.
Step six: the probe for ultrasonic development is used for probing the pig kidney to know the sound image characteristics of hydronephrosis, a predetermined object, renal cortex and medulla.
Step seven: selecting a target renal calyx where a preset object is located, fixing a puncture probe, puncturing from a puncture needle of the puncture probe, inserting the needle from the fornix part of the broiler, puncturing into the target renal calyx, and removing a needle core of the puncture probe to cause accumulated water to overflow. And finally, opening the first body, dissecting the kidney, and then seeing that the puncture needle reaches the target renal calyx where the preset object is located through the fornix part, wherein the puncture is successful.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. A training model for percutaneous nephropuncture surgery, characterized by: comprises a first body with a first cavity, a second body with a second cavity and arranged in the first cavity, an injector, an infusion tube and a predetermined object arranged in the second cavity; the infusion tube comprises a first body, a second body and an infusion tube, wherein the first body is provided with a first tube placing opening communicated with the first cavity, the second body is provided with a second tube placing opening communicated with the second cavity, one end of the infusion tube is connected with the injector, and the other end of the infusion tube sequentially penetrates through the first tube placing opening and the second tube placing opening and is communicated with the second cavity.
2. The training model of percutaneous nephrolithotomy as claimed in claim 1, wherein: the device also comprises a liquid discharge pipe and a pressure release valve; the liquid discharge pipe is communicated with the infusion tube, and the pressure relief valve is arranged on the liquid discharge pipe.
3. A training model for percutaneous nephrolithotomy as claimed in claim 2, wherein: the pressure release valve comprises a pipe body, a spring arranged in the pipe body and a floating ball arranged in the pipe body; the pipe body is provided with a first end communicated with the second cavity and a second end communicated with the outside of the first body, the inner wall of the pipe body is provided with a limiting ring with a first through hole and a sealing seat with a second through hole, the sealing seat and the limiting ring are arranged from the first end of the pipe body to the second end of the pipe body, the first through hole is communicated with the second through hole, the spring is positioned between the limiting ring and the sealing seat, one end of the spring is connected with the floating ball, the other end of the spring is connected with the limiting ring, and the floating ball is switched between a blocking position and a circulating position; when the floating ball is located at the blocking position, the floating ball is abutted against the sealing seat and blocks the second through hole of the sealing seat; when the floating ball is located at the circulation position, the floating ball opens the second through hole of the seal holder.
4. The training model of percutaneous nephrolithotomy as claimed in claim 1, wherein: the device also comprises a sucker, a gas pipe and an air pump; the air pump passes through the gas-supply pipe with the sucking disc is connected, the sucking disc is located in the first cavity, the second body adsorbs on the sucking disc.
5. The training model of percutaneous nephrolithotomy as claimed in claim 1, wherein: the agar filled in the first cavity is also included; the agar is filled between the second body and the inner wall of the first cavity.
6. The training model of percutaneous nephrolithotomy as claimed in claim 1, wherein: the device also comprises a workbench; the first body is mounted on the table.
7. The training model of percutaneous nephrolithotomy as claimed in claim 6, wherein: the workbench is provided with a fixing belt, one end of the fixing belt is fixed on the workbench, and the other end of the fixing belt is bound on the first body.
8. The training model of percutaneous nephrolithotomy as claimed in claim 1, wherein: the maximum length of the predetermined object is 10mm-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120902524.5U CN214705156U (en) | 2021-04-28 | 2021-04-28 | Training model for percutaneous renal puncture operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120902524.5U CN214705156U (en) | 2021-04-28 | 2021-04-28 | Training model for percutaneous renal puncture operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214705156U true CN214705156U (en) | 2021-11-12 |
Family
ID=78534606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120902524.5U Expired - Fee Related CN214705156U (en) | 2021-04-28 | 2021-04-28 | Training model for percutaneous renal puncture operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214705156U (en) |
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2021
- 2021-04-28 CN CN202120902524.5U patent/CN214705156U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |